Gas-Fired Infrared Heating for Poultry Houses www.val
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1. 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 15 5 15 5 E 15 5 En 15 5 En e 15 30 30 30 30 30 BROOD SECTION 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 16 8 H 16 8 16 8 A 16 8 16 8 40 40 40 40 GROW OUT SECTION Layout 3 BROOD SECTION GROW OUT SECTION S 250 SO 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 16 8 Ge 168 Br 10 8 Sess 10 8 Bee 16 8 40 40 40 40 BROOD SECTION 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 3114 5 i 30 2314 5 40 40 40 GROW OUT SECTION Layout 4 drawings not to scale This document is intended to assist licensed professionals in the exercise of their professional judgment 27 of 35 BROOD SECTION GROW OUT SECTION 250 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 16 8 Sie 168 8 16 8 40 40 40 40 BROOD SECTION 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 16 8 H 16 8 O 16 OC 16 8 40 40 40 40 GROW OUT SECTION drawings not to sc2. These products are not for residential use This document is intended to assist licensed professionals in the exercise of their professional judgment VAL CO 210 E Main Street P O Box 117 Coldwater OH 45828 USA Telephone 800 998 2526 Fax 419 678 2200 www val co com 2012 Roberts Gordon LLC All rights reserved No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without written permission of Roberts Gordon LLC Printed in U S A VIRPMNA 0112 Orig
3. Gas Fired Infrared Heating for Poultry Houses SPP let Mi 177111 tnim E 2 www val co com TABLE OF CONTENTS PART 1 INFRARED HEATING a Y didus a oae Reate mew nau iuc 2 14 Infrared Heating A New GCOornGcepLb 5 1E tapa REL ki ca Er nahe 2 t2 The Electromagnetic SDOCL FT ius dere aua tiec ed vay ue Sea gites oe uoce Reo tuvieron esa 2 13 Types of Gas Fired Infrared Heaters 3 E xi i mBi odsoi c 5 PART 2 CONVENTIONAL POULTRY HOUSE HEATING eese 7 2 1 History of Poultry House Heating sass 7 2 2 Pancake Brooder Heaters uer ione Bed lee ed le eee 8 2 3 Air Heating with Unit Heaters 8 2 4 High Intensity Infrared Heaters sss 9 2 5 Central Wet Systems BoilerS ns 9 2 oGabIiHer uiui Dedi N e iene ua 10 PART 3 WHY INFRARED HEATING 4o rice ri pn re oci eve once canne ne 11 3 1 Understanding Infrared Heat Transfer eese eee 11 3 2 The Benefits of Low Intensity Infrared Heating 11 3 3 Low Intensity vs Air Heating Gas and Oil Direct Fi
4. 0 5 C in 95 of the house production area Commercial buildings are heated for creature comfort Poultry house heating is process heating where the temperature of the poultry is an integral part of their growth This document is intended to assist licensed professionals in the exercise of their professional judgment 29 of 35 PART 7 MAINTENANCE Each fall before the heating season gets underway it is advisable to do a thorough inspection of the system Turn on the system and check to see that each burner lights Have a contractor qualified in the installation of gas fired heating products check the flame to insure that is has proper color and check the fan Check the outlet vent to make sure that the bird screen is in good condition Visual inspection of the outside air inlets is required for infrared heaters used in poultry houses A simple dust ing to keep reflectors clean allow them to continue efficiently directing the infrared rays toward the floor Any mechanical system will require care and maintenance to remain in peak operating condition Because the infrared heaters are in plain sight overhead an owner can keep an eye on the general condition and operation of the system during the normal daily routine 7 1 Maintenance Checklist Installation Code and Annual Inspections All installation and service of VAL CO equipment must be per formed by a contractor qualified in the installation and service of equipment sold and supplied by Val
5. F t Floor temperatures after 10 minutes of high intensity heating Floor temperatures after 10 minutes of heating with gas fired low intensity infrared tube heaters Results may vary 2 Czarick M 2005 Infrared Tube Heater Floor Heating Patterns The University of Georgia Cooperative Extension Service Poultry Housing Tips 17 5 pp 1 10 12 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 1 ALIM L A LENT bod E i i Bus du ist Li TE m a Lame 7 oor mi m m This poultry house relies on high intensity heaters for heat You can see the chicks are spaced out around the hot spots confirming the test results found regarding uneven floor temperatures with pancake brooder heaters as shown on pages 11 and 12 This document is intended to assist licensed professionals in the exercise of their professional judgment 13 of 35 3 2 3 Easy Installation and Maintenance Gas fired low intensity infrared tube heaters can be easy to install and service Typically no special equipment is needed for the installation VAL CO installation operation and service manuals illustrate installation control wiring maintenance and repair considerations Gas fired low intensity infrared tube heaters are mounted overhead so there is little interference with ventila t
6. to install Separate equipment areas or buildings are required to house boilers adding to construction costs and using valuable floor space On the other hand gas fired low intensity infrared heating systems do not take up floor space and additional systems can be added as additional poultry houses are built While efficiency is being improved wet systems are still a long way from being as fuel efficient and effective as gas fired low intensity infrared heating systems The recommended maintenance schedule for boilers can be expensive If a boiler is shut down for repair there is no heat source for the poultry house unless a second expensive standby boiler can be put into operation There is solid economic justification for replacing older boilers with new gas fired low intensity infrared heating systems as the payback and return on investment can occur in just a few years 3 5 Low Intensity Infrared Heating vs Pancake Brooder Heaters The pancake heater is relatively small and as a result heat output is very low Consequently more pancake heaters are required to uniformly heat a large space Pancake brooders are located about 3 1 m above the floor Because they are mounted at a low level they have to be raised or moved when the poultry house is emptied and adjusted during flock cycles Gas fired low intensity infrared heaters generally heat a larger area so less heaters are required than brooder heaters They are also mounted closer to
7. 5 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 4 2 VAL CO Wide Pattern Hangers For agricultural applications Val Co supplies a wide pattern hanger The wide pattern hangers increase the radiant spread by 24 compared to the normal hanger This allows for a wider heat pattern for those extra wide poultry houses The wide pattern hanger can be hung at the normal 90 level angle for center mounting This hanger does not have a 45 angle tilted option Val Co supplies wide pattern hangers as standard with their heaters If you prefer regular hangers with a 45 option please contact Val Co Traditional pattern hangers radiant spread Wide pattern hangers increase radiant spread by 24 compared to traditional hangers offered by Roberts Gordon This document is intended to assist licensed professionals in the exercise of their professional judgment 19 of 35 PART 5 DESIGN CONSIDERATIONS FOR POULTRY APPLICATIONS 5 1 Typical Building Size and Shape A typical poultry house can be 40 50 12 m 15 m wide and 200 500 feet 60 m 152 m long Wider houses can be 66 20 m and beyond The width of the house is a large determining factor in the planned layout of the heaters in the building Houses 40 50 12 m 15 m wide can generally have a single row of heaters along the length of the house This row is usually run down t
8. 9 2 Pyromark Paint 0 80 538 1000 3 6 Reflectivity Measurement of a material s ability to reflect energy or light Reflectivity Scale Materials and reflectivities generally available in the industry Key 1 00 2 A perfect reflector Material Reflectivity Tin 0 94 Chrome 0 92 Aluminum Mill finish 0 91 to 0 95 Aluminum Polished 0 91 to 0 95 Nickel 0 90 Aluminized Steel Type 1 0 50 to 0 80 Galvanized Steel 0 72 Stainless Steel Type 304 0 48 to 0 66 Stainless Steel Type 430 Polished 0 80 to 0 90 1 Roberts Gordon LLC 1994 Sir William Herschel Infrared Handbook 1 4 pages 4 5 and 3 2 1 page 26 4 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS Val Co sells unitary gas fired low intensity infrared heaters under the trade name HEATRITE The heater is comprised of a burner heat exchanger tubes reflectors and a fan The fan located in or on the burner box pushes an ignited gas air mixture down the tube creating heat Growers find these systems to be very effective for heating above brood sections and grow out sections The most common heater installations in poultry houses are straight and u tube heaters In some instances both configurations are used in the same building 1 4 Heater Description 1 4 1 Description of Infrared Tube Heaters Gas fired low intensity infrared tube heaters are suspe
9. As FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 5 3 Low Ceilings Poultry houses generally have low roof profiles and low peak heights Inside the house there may not be open access to mount the heater just below the peak if a drop ceiling is in place Typically the hanging height of the heater in poultry houses will be between 9 14 2 75 m 4 25 m from the floor higher if space permits Each heater has certi fied clearances to combustibles which must be adhered The clearance between the top of the heater and the ceiling or ceiling liner material must be maintained at all times for safety This distance is less than 1 0 3 m and varies slightly depending on model and input Since some poultry houses have fabric liners along the ceiling care must be taken so that liners above the heaters do not sag into a clearances to combustibles area It may be necessary to put a protective shield above the first length of tube to protect the ceiling from high temperatures Dropped Ceiling House 5 4 Building Use Throughout Brood Cycle Dividers It is common for poultry houses to be sectioned off so that the birds are contained a small area brood area early in the grow cycle As the birds grow a secondary brooder area and grow out area are opened up for the birds This use of the building should be considered during the heater layout design Ideally each heater will be entirely inside one section or another and not located such that the
10. Co and conform to all requirements set forth in the VAL CO manuals and all applicable governmental authorities pertaining to the instal lation service and operation of the equipment To help facilitate optimum performance and safety Val Co recommends that a qualified contractor conduct at a minimum annual inspections of your VAL CO equipment and perform service where necessary using only replacement parts sold and supplied by Val Co The Vicinity of the Heater Do not store or use flammable objects liquids or vapors near the heater Immediately remove these items if they are present Vehicles and Other Objects Maintain the clearances to combustibles Do not hang anything from or place anything on the heater Make sure nothing is lodged underneath the reflector in between the tubes or in the decorative or protective grilles included with select models Immediately remove objects in violation of the clearances to combustibles Reflector Support reflector with reflector hanger and support strap Reflector must not touch tube Make sure there is no dirt sagging cracking or distortion Do not operate if there is sagging cracking or distortion Make sure reflectors are correctly overlapped Clean outside surface with a damp cloth Venting must be intact Using a flashlight look for obstructions cracks on the pipe gaps in the sealed areas or corrosion The area must be free of dirt and dust Remove any carbon deposits or s
11. GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 4 1 2 Single Stage Gas Fired Low Intensity Infrared Tube Heaters A standard gas fired low intensity infrared tube heater operates at a single input rate For most poultry house applications the heater input is between 80 000 BTU h 23kW and 150 000 BTU h 45 kW depending on the length of the heater and mounting height When there is a call for heat the heater fires at the rated input until the temperature setpoint is satisfied then turns off until the next call for heat With single stage heaters a blower pushes air and gas through the heat exchanger tube expelling it outside the building at the end of the unit These units have a single burner on one end of the heat exchanger tube Growers also find these systems to be very effective for heating brood sections and grow out sections Positive pressure unitary heat ers may be installed so that the heat exchanger tube is laid out in one of a variety of shapes The most common heater installation is straight tube U shaped or L configurations are also available VAL CO Single Stage Gas Fired Low Intensity Infrared Tube Heater 4 1 3 Twin Fire Gas Fired Low Intensity Infrared Tube Heaters A variation on the single stage gas fired low intensity infrared tube heater is the twin fire or twin tube design The twin fire design operates at a single input but each burner unit offers two infrared heat exchanger tubes and reflec tors tha
12. If a poultry house controller is not used the heaters can be controlled by thermostat or they can easily be tied into existing controls This document is intended to assist licensed professionals in the exercise of their professional judgment 25 of 35 5 8 Typical Layouts for Various House Shapes and Sizes The next few pages show some widely used layouts in both the brooder and grow out sections of broiler houses It is important to have the design and layout for all your agricultural buildings and houses performed by a rep resentative qualified in the design installation and service of poultry equipment sold and supplied by Val Co Types of Gas Fired Low Intensity Infrared Heaters Single Fire Unitary Heater Layout 1 BROOD SECTION GROW OUT SECTION FX 250 el 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 39145 Ee Im 3145 E 31A 40 40 40 Btu h x 1000 100 Btu h x 1000 100 L 8 55 BROOD SECTION 100 Btu h x 1000 100 Btu h x 1000 100 Btu h x 1000 31 4 57 L 7c4 A 314 5 40 40 40 GROW OUT SECTION drawings not to scale 26 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS Layout 2
13. Infrared Tube Heater This document is intended to assist licensed professionals in the exercise of their professional judgment 5 of 35 4 4 4 pes 55 a P r P aer t TFT ETE c e ele Straight and U tube gas fired low intensity infrared heaters in the same building 6 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS PART 2 CONVENTIONAL POULTRY HOUSE HEATING 2 1 History of Poultry House Heating The purpose of brooding chicks is to provide growing birds a comfortable and healthy environment efficiently and economically Temperature particularly of the floor ventilation rates humidity litter conditions dust ammonia or carbon dioxide levels should all be monitored and managed by growers Failure to properly manage these factors during the brooding period will likely mean lower economic returns Newly hatched chicks have little or no ability to regulate their own body temperature and depend on the grower to provide an ideal growing environment Exposing chicks to tempera tures too high or too low will result in energy and nutrients being expended to cool the bird by panting or to warm the bird by heat production Chicks will also expend energy and nutrients dealing with poor ventilation high humidity inadequate litter conditions dust and elevated ammonia or carbon dioxide levels
14. Once expended the energy and nutrients that might have been used by the bird for growth are lost Over the years the method of adding heat to the chicken house has taken many forms The pancake brooder was developed in the 1960 s and has remained a popular form of chicken house heating The 1970 s saw the advent of the poultry house warm air heater In the late 1980 s the high intensity infrared brooder was introduced to the market place The gas fired low intensity infrared heater has been used in the Canadian poultry market for the past 20 years However only recently has the poultry market at large begun to take a closer look at the many advantages gas fired low intensity infrared tube heaters offer modern poultry house heating Although the gas fired low intensity infrared tube heater has been widely used in industrial heating applica tions its application in poultry house heating is new and unfamiliar to some in the poultry industry Gas fired low inten sity infrared tube heat has proved itself to be an incredibly efficient means of transferring heat into the floor of the poultry house where the birds are located Gas Fired Low intensity Infrared Tube Heater This document is intended to assist licensed professionals in the exercise of their professional judgment 7 of 35 2 2 Air Heating with Warm Air Heaters Growers consider the gas or oil fired warm air heater to be a compact stand alone inexpensive and accept able method o
15. The heat on the first floor is absorbed by the flooring litter birds and other objects instead of rising into the second story space New poultry houses are being built wider to accommodate larger flocks As a select number of integrators choose to utilize wider houses for increased floor space and larger flocks additional feed and water lines are usually required The same consideration is applied to the heating equipment Gas fired low intensity infrared heaters offer a wide variety of Btu hour and tube lengths to accommodate these new broiler houses Val Co can assist in the design and layout of its heating equipment to insure adequate coverage and comfort in these wider houses Gas fired low intensity heaters configured for large houses over 75 5 23 m This document is intended to assist licensed professionals in the exercise of their professional judgment 21 of 35 5 2 Heater Placement Proper placement of gas fired low intensity infrared heaters is extremely important in producing the highest comfort levels avoiding hot or cold spots and obtaining the utmost in fuel efficiency It is important to have the design and layout of your agricultural building performed by a representative qualified in the design layout installation and service of equipment sold and supplied by Val Co 5 2 1 Center Mounting Gas fired low intensity infrared tube heaters are typically installed close to ceiling height in accordance with the appropri
16. ale 28 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS PART 6 INSTALLATION TIPS 6 1 Heat Coverage The reflector on a VAL CO gas fired low intensity infrared heater is designed to give a uniform infrared pat tern across the poultry house The proximity of burners in the house and the types of heat exchanger tubes control the uniformity of infrared heat lengthwise in the poultry house The burner end of the first heater should always face an out side wall Factors such as width and height of the house also influence uniformity Where height and width are limiting factors uniformity may vary 6 2 Heat Load Calculations To be sure the poultry house is properly heated based on its location dimensions and other attributes the amount of heat required for a successful flock must be determined This will help identify the proper sizing and position ing of low intensity gas fired tube heaters In the U S integrators set the heat load based on the barn design its age and location Integrators typically recommend 70 95 Btu ft However if the barn has high infiltration or poor insulation more Btu hr may be required Conversely a new barn with high R value insulation and low infiltration may need less It is important to have the heat load calculation performed by a professional qualified in the design installation and ser
17. ate clearances to combustibles Multiple heaters are placed in a single line down the center along the entire length of a poultry house or in multiple lines depending on the house width This is the most efficient way to mount the heaters The center downward mounting offers Even Heat This layout creates a nice even heat throughout the entire space Multiple Heat Zones With single unit heating systems if the unit breaks down the poultry house will be without heat unless there is a back up heat system With gas fired low intensity infrared heaters if one heater breaks down the other heaters are still working keeping the space at a consistent comfort level until the broken unit is fixed Fuel Savings Often brooder areas are sectioned off early in the grow cycles Gas fired low intensity infrared heater layouts demonstrate the entire house does not have to be heated during this cycle Only the specific sections being used can be heated Open Ceiling House 5 2 2 45 Side Wall Installations In Canada a common installation configuration is the 45 sidewall The heater is mounted at the ceiling but against the sidewall in accordance with the appropriate clearances to combustibles at a 45 tilted angle Despite some heat loss through convection this method has been successful 45 Side Wall Installation 22 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment Ga
18. ation Operation and Service Manual 14 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 3 2 5 Environmental Benefits Improved Poultry Production Comfortable and consistent temperatures along feed and water lines reduced moisture on the floor and better air quality all create a healthier environment to promote reduced mortality rates The long linear design of gas fired low intensity infrared tube heaters create warm temperatures to invite birds along the length of water and feed lines Gas fired low intensity infrared tube heaters do not blow warm air around the space The heater emits infrared heat from the heat exchanger tube without blowing air dirt and dust which can help facilitate better air quality The gentle warmth that is emitted from the tube surface is reflected and redirected toward the floor where the heat is needed for the comfort of the birds Plaque and pancake brooders produce convection heat and radiation heat in the following proportions 6096 4096 thus 4096 of the heat can t be directed toward the floor where it is needed 3 2 6 Environmental Benefits Save Valuable Oxygen When connected to a flue and properly installed used and serviced gas fired low intensity infrared heaters take fresh air for combustion from outside the house saving valuable oxygen In contrast unflued high intensity
19. cale using a wire brush Vent Pipe Outside Air Inlet Inlet must be intact Look for obstructions cracks on the pipe gaps in the sealed areas or corrosion The area must be free of dirt and dust Clean and reinstall as required Make sure there are no cracks Make sure tubes are connected and suspended securely Make sure there is no sagging bending or distortion Clean or replace as required Gas Line Check for gas leaks Burner Observation Window Make sure it is clean and free of cracks or holes Clean and replace as required Blower Scroll Wheel and Motor Compressed air or a vacuum cleaner may be used to clean dust and dirt Burner Cup and Orifice Clear of obstructions even spider webs will cause problems Carefully remove any dust and debris from the burner Electrode Replace if there are cracked ceramics excessive carbon residue or erosion of the electrode The electrode gap should be 1 8 3 2 mm Thermostat There should be no exposed wire or damage to the thermostat Suspension Points Make sure the heater is hanging securely Look for signs of wear on the chain or ceiling 30 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment Decorative and Protective Grille optional Lower Clearance Shield optional Wall Tag GAS FiRED INFRARED HEATING FOR POULTRY APPLICATIONS The grille must be securely attached Check that the side reflector ex
20. d oco R RC CU Qu 29 6 redilosSSausasui iile du CI M UL I UIS MED eI aaa 29 6 3 Clearances to Combustibles sass 29 6 4 Location of Other Structural 29 29 PART 7 MAINTENANQGE EE a 30 ZA Maintenance Checklista DIRE e Rua a OP RE 30 PAHT 8 APPLICATION PHOTOS c ooo O o ipae neue v cea 32 O 2012 Roberts Gordon LLC All rights reserved No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without the written permission of Roberts Gordon LLC All claims related to gas fired low intensity heating are predicated on the equipment being designed installed maintained and serviced properly by a qualified professional Installation Code and Annual Inspections All installation and service of VAL CO equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Val Co and conform to all require ments set forth in the VAL CO manuals and all applicable governmental authorities pertaining to the installation service and operation of the equipment To help facilita
21. d through the roof of the poultry house Wet systems are also particularly slow to adjust to outside climate changes Although boiler efficiencies have improved this heating system still possesses high operating and mainte nance costs that growers have come to accept A single large boiler correctly sized for the heat loss of a poultry house at outdoor design temperature conditions can be grossly oversized when temperatures are mild or few zones are calling for heat This oversized condition can lead to short cycling which is inherently inefficient but the use of staged boiler systems can reduce short cycling In addition to prohibitive initial costs growers must have a standby boiler in case the main one fails Central Wet System Boilers This document is intended to assist licensed professionals in the exercise of their professional judgment 9 of 35 2 6 Cabinet Heaters Growers consider LPG gas or oil fired cabinet heaters to be a stand alone acceptable method of heating Cabinet heaters certainly provide less uniform heat than gas fired low intensity infrared heaters They are often placed in a room separate to the main building to keep the units clean from debris The cabinet heater is then ducted into the main building and often times the exhaust flue gases are ducted in for extra heat With air being forced into the space there tends to be an area in the middle of the house that is warmer than the sides and ends Louvers on the duc
22. e an open flame the products of combustion i e carbon dioxide and water vapor remain reducing the oxygen and increasing the humidity in the house environment Thus more ventilation is required to restore oxygen and remove water vapor from the house The extra ventilation also tends to cool the environ ment requiring the heaters to cycle on more often raising heating costs In addition although high intensity infrared heaters produce intense heat they are generally compact in size and the heat from the unit is localized in a small area producing a wide range of temperatures within the house The intense heat and combustion products produced by high intensity infrared heaters can create a house environment that is difficult to manage Gas fired low intensity infrared heaters mix gas and air and then burn it inside a heat exchanger tube Heat exchanger tubes are usually made of aluminized steel The heat exchanger tube surface temperatures of gas fired low intensity infrared heaters reach maximum temperatures generally between 900 F 480 C and 1100 F 595 C Gas fired low intensity infrared heaters have a long heat exchanger tube which allows the heat to be spread over a much larger area as compared to the more localized heat from a high intensity heater In addition the infrared energy emitted from a gas fired low intensity infrared heater has a lower frequency and longer wavelength than high intensity infrared heaters This allows surr
23. ere measured by a large integrator in three identical chicken houses on the same farm The first house used single stage fixed firing rate tube heaters the second house used two stage dual firing rate tube heaters and the third house used the new modulating tube heat ers In the study fuel useage was as expected with the two stage house being the least efficient followed by the single stage house with the most fuel efficient house using the modulating heaters There was no significant difference in bird performance between these houses Fuel Use Over Two Flocks an EN uc O 2 Flock 1 Flock 2 July August September October Single Stage f Two Stage Modulating Study of fuel use between modulating infrared heaters vs two stage heaters Results may vary Benefits of Modulating Gas Fired Low Intensity Infrared Tube Heaters Help to provide more accurate control to meet heating demands by allowing even the slightest change in heater firing rate anywhere within the 60 100 range Help to provide real energy savings by matching the heating system s input to the building s heat load requirement The precise heater controls remember the last heating cycle starting the new heating cycle at the optimum rate resulting in longer heater run times as opposed to frequent heater cycling 16 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment
24. es Pre flock warm up time is important because it provides a warm comfortable healthy environment for the birds Gas fired low intensity infrared tube heaters in a house can provide warm even floor temperatures in a short amount of time compared to other types of heating The results of different heating types vary The FLIR infrared camera pictures on the next page show the degree of heating on the poultry house floor The first picture demonstrates a brood chamber heated with warm air box heaters after 20 minutes As you can tell the floor is evenly warm after 20 minutes at about the 65 F 18 C range The second picture depicts high intensity brooder heaters after 10 minutes The results show a quicker warm up time but a wide range of temperatures across the floor ranging from 70 F 21 C 90 F 32 C with more hot spots than warm spots The third picture exhibits the gas fired low intensity tube heaters after 10 minutes This picture illustrates how quickly and efficiently tube heaters can place uniform heat on the floor of a poultry house The temperatures on the floor are even ranging from 70 F 21 C This document is intended to assist licensed professionals in the exercise of their professional judgment 11 of 35 80 F 26 C with a few warm spots accounting for the burner head placement This slight range in temperatures allows the birds to move around to areas where they feel most comfortable m tm a
25. f heating Warm air heaters certainly provide less uniform heat than could be achieved with boiler systems or other heating methods They are often placed at the end of the poultry house with the heated air directed toward the middle of the house Consequently there tends to be an area in the middle of the house that is warmer than the sides and ends Since the fan pushing air across the heat exchanger to the center of the house is drawing cold air from behind and below the floor at the end of the house is cooler Warm Air Heater 2 3 High Intensity Infrared Heaters High intensity infrared heaters use an open flame to combust a mix of gas and air on a porous ceramic or metal grid producing an orange glow The combustion products are released directly into the house environment Since the physical size of the heater is small the heat felt from the unit is localized in a small area and has higher intensity These heaters are more appropriate for spot heating applications However the open flame high oxygen consumption localized intense heat and increased humidity make high intensity infrared heaters difficult to manage in poultry house heating High Intensity Infrared Heater 8 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 2 4 Pancake Brooder Heaters The pancake brooder type heater also called gas radiators or jet b
26. h s surface yet it can heat the entire earth This is the most significant example of the effectiveness of infrared heating While the principle is as old as the sun the application for its use today may seem very different than the currently accepted means of heating For those who have only been exposed to conventional methods of heating the concept of infrared heating may open up a whole understanding of heat transfer 1 2 The Electromagnetic Spectrum In the 1800 s an English astronomer named Sir William Herschel believed that the heat we feel from the sun is present in the visible spectrum As he experimented with a prism to diffuse light into its visible color components he discovered that violet and blue light carried the least heat As he moved the thermometer through the spectrum of colors toward the red color the temperature on the thermometer rose It was actually beyond the red spectrum that the highest temperature was reached This spectrum of longer wavelengths was named the infrared spectrum Infrared Microwaves Radio High Frequency Low Frequency ea Sn E S FTE FE AEE NEU RU US AERAR F T amp amp A 1 LANI NM I ILI b Ig 11 i TL Whit i I 1 BIETEN ae Short Wavelength MN Long Wavelength Electromagnetic Spectrum The sun gives off a wide variety of electromagnetic energy The electromagnetic spec
27. he Benefits of Low Intensity Infrared Heating When the differences between air heating and infrared heating are understood one can begin to identify the potential advantages of gas fired low intensity infrared heating in poultry houses 3 2 1 Quick Fuel Efficient Operation Installing gas fired low intensity infrared tube heaters in a poultry house can produce fuel savings of up to 50 over traditional furnace type warm air heating With warm air heaters in order to warm the floor first the air must be warmed to an even higher temperature Since warm air rises it then has to be redirected back towards the floor where it can begin warming the surface This results in pre flock heating times of around 36 hours or more Pancake brooder and high intensity heaters produce 40 infrared heat and 60 convection heat that warms air While this method is an improvement as compared to warm air heaters the majority of heat is still as a result of convection Gas fired low intensity tube heaters when properly installed and maintained in accordance with the instal lation operation and service manual generate 90 infrared heat towards the floor of the house resulting in an increase in floor temperatures in as little as 3 hours Being able to warm the floor and litter directly will help reduce pre flock warm up time and also allow operation at a lower ambient temperature which can result in further energy savings 3 2 2 Efficient Even Floor Temperatur
28. he center but can also be mounted along a sidewall with the reflector tilted 45 toward the middle of the house As broiler houses change in size special considerations need to be taken to assure adequate heat is supplied throughout the building As houses become wider 60 18 m and wider it may be necessary to have two rows of heaters unlike the most commonly used layout of one Val Co offers a wide range of BTUs lengths and special accessories that can be used to accomplish this With the ever changing equipment that can be used in a broiler house Val Co offers several accessories that can be used to protect components below and near the heat exchanger tube Below is an example of a lower clearance shield and a side reflector These accessories can be used to protect drop cords feed supply tubes and water lines if it is necessary Lower Clearance Shield Side Reflector 20 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS The majority of poultry houses are single story buildings but in some areas of North America two story houses are common Design layout parameters for these two story buildings are typically the same as a single story application The heater layout from the first floor would be repeated on the second floor One of the benefits of gas fired low intensity infrared heat is minimal stratification
29. heaters and warm air heaters can consume important volumes of oxygen from inside the house This can create condensation and humidity resulting in water on the litter This can be critical in poorly insulated or static houses 3 3 Low Intensity Infrared Heating vs Air Heating Gas and Oil Direct Fired Warm Air Heaters Air heating systems usually cost less to install than a gas fired low intensity infrared heating system However these systems usually cost the grower considerably more to operate Air heating systems are deficient in two basic laws of heat transfer First due to natural convection warm air in the presence of cold air rises Infrared energy does not rise when properly directed to the floor Infrared heaters heat objects not air so stratification of air does not occur to nearly the same extent The reflector over the system helps ensure that the energy is directed downward where it is most useful Second moving warm air over objects poultry cools objects that contain moisture Evaporation of water has a cooling effect Properly designed installed and used gas fired low intensity infrared heating systems should provide a much more uniform heat distribution compared to air heating systems 3 4 Low Intensity Infrared Heating vs Wet Systems Steam and hot water boilers have been used for generations and have been accepted for heating poultry houses That view is changing as growers realize boilers and piping systems are expensive
30. ing With air heating objects cannot be any warmer than the existing air temperature Large volume spaces or spaces with rapid air changes can be problematic for air heating systems But chickens floors walls and other objects absorb electromagnetic waves from infrared heaters warming them before the air is heated Infrared heat can create a comfort able environment even when the air temperature is quite low The heated objects then transfer heat to the atmosphere allowing convective air heating to take place As convection continues the air temperature warms Equivalent comfort can be achieved at lower air temperatures when infrared heat is used Lower air tempera tures translate into fuel savings and less air stratification hot air rising to the ceiling When the roof is warm heat trans fer through the roof increases since the temperature difference between the inside and outside is elevated Stratification is reduced with infrared heating compared to warm air heating With air heating if the warm air is lost during ventilation the objects in the space have not stored extra heat energy from the air So once warm air is lost the heat is lost until the air is reheated Infrared heating puts energy into objects such as the floor which hold and store the heat This stored energy is released to the air and surrounding ob jects helping to recover the air temperature in the building even if some of the warm air is lost due to ventilation 3 2 T
31. ion airflow Typically there is also no need to adjust heater mounting height throughout the growing cycle Gas fired low intensity infrared tube heaters are mounted close to the ceiling creating minimal obstruction of the chicken house and improving the spread of infrared heat Unlike pancake brooder heating equipment gas fired low intensity infrared heaters can remain in the house during cleanout Gas fired low intensity infrared tube heaters are mounted near the ceiling and are well out of the way during house clean out and poultry removal Gas fired low intensity infrared tube heaters use fresh air as combustion air When heaters are properly in stalled and maintained in accordance with the installation operation and service manual and applicable government regulations the amount of contaminants that the internal components of the burner are exposed to is reduced This helps result in years of trouble free operation Brooder heaters require more maintenance than gas fired low intensity in frared tube heaters Since they use air from the house pancake brooder heaters must be maintained after every flock It is recommended that the reflectors and tubes be cleaned periodically in order to continue to operate at op timal efficiency By comparison it can be more efficient and cost effective to maintain five or six gas fired low intensity infrared tube heaters versus twenty to thirty pancake brooder heaters HMw Gas fired low inte
32. nded overhead generally within 1 3 m from the ceil ing In poultry houses the common length of a low intensity infrared tube heater is between 20 6 m and 50 15 m Each heater consists of a burner a 20 50 6 m 15 m length of 4 10 cm O D heat exchanger tube and a highly efficient reflector hung above the entire length of the heat exchanger tubing Burners are available in btu h KW output ratings from 40 000 Btu h 15 kW to 200 000 Btu h 50 kW depend ing on the model of the heater Because of height length and heat requirements mid range Btu h KW outputs are most frequently used Inside or mounted on the burner a blower pulls combustion air into the burner The combustion air and either natural gas or propane are mixed and ignited to produce a flame The flame and hot combustion gases flow through the heat exchanger tube heating it up to about 1000 F 540 C The hot tube emits infrared energy in all directions from the tube surface All of the infrared energy emitted from the top portion of the tube is reflected down toward the floor by the reflector At the end of the heat exchanger opposite end of the burner the products of combustion exhaust gases have cooled enough to be vented into the space or to the outdoors The heaters are controlled by either a thermostat or poultry house controller to maintain the desired space temperature Burner Hangers Heat Exchanger Tube VAL CO Gas Fired Low Intensity
33. nsity infrared heaters are overhead and out of the way for house cleaning 3 2 4 Environmental Benefits Warmer Floors and Drier Litter Gas fired low intensity infrared heat is directed to objects below the heater including the floor where the birds reside In addition to creating a warm comfortable temperature for the birds the litter on the floor absorbs the energy and is heated evaporating moisture from the litter A drier litter improves the house environment by reducing ammonia generation Drier litter can also help lower mortality rates as wet litter is an ideal breeding ground for many diseases and bacteria All installation and service of VAL CO equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Val Co and conform to all requirements set forth in the VAL CO manuals and all applicable governmental authorities pertaining to the installation service and operation of the equipment To help facilitate optimum performance and safety Val Co recommends that a qualified contractor conduct at a minimum annual inspections of your VAL CO equipment and perform service where necessary using only replacement parts sold and supplied by Val Co Applications engineering and detailed guidance on systems design installation and equipment performance is available through VAL CO representatives Please contact us for any further information you may require including the Install
34. nsity infrared heaters heating a poultry house in the United States 34 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS Gas fired low intensity infrared heater being installed in a poultry house in Russia Gas fired low intensity infrared heaters heating a poultry house in Russia This document is intended to assist licensed professionals in the exercise of their professional judgment 35 of 35 Installation Code and Annual Inspections All installation and service of VAL CO9 equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Val Co and conform to all requirements set forth in the VAL CO9 manuals and all ap plicable governmental authorities pertaining to the installation service and operation of the equipment To help facilitate optimum performance and safety Val Co recommends that a qualified contractor conduct at a minimum annual inspections of your VAL CO9 equipment and perform service where necessary using only replacement parts sold and supplied by Val Co Further Information Applications engineering and detailed guidance on systems design installation and equipment performance is available through VAL CO representatives Please contact us for any further information you may require including the Installation Operation and Service Manual
35. oth the grower and the integrator can be high if the brooding environment does not ensure that birds get off to a good healthy start Yet heating and electricity costs are usually the largest expenses encountered by growers As a result utilization of efficient heating methods can affect the bottom line of both growers and integrators Gas fired low intensity infrared heating is commonly used in commercial and industrial applications e g warehousing manufacturing vehicle maintenance facilities In recent years gas fired low intensity infrared heating has grown quickly in popularity over traditional heating systems in agricultural applications because energy savings of up to 5096 can be achieved Momentum for this technology increases as energy costs rise and integrators and growers spread the word Many gas fired low intensity infrared heaters are listed with Canadian Standards Associations International CSA in North America Europe and Asia For a product to appear on these lists and therefore qualify for the CSA claims the product must meet the standards for consumer safety health and environmental requirements and in some cases energy saving criteria The American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE has also acknowledged the fuel saving characteristics of gas fired low intensity heating over conventional heating sys tems in the HVAC Applications ASHRAE Handbook Chapter 15 In the poultry industr
36. ounding objects such as concrete animals walls etc to more easily absorb the heat Gas Fired Low Intensity Infrared Heater Unitary gas fired low intensity infrared heaters are typically used in poultry house applications Unitary gas fired low intensity infrared heaters have a single burner located at one end of the heat exchanger tube The combustion takes place at the burner end and the products of combustion are exhausted or vented at the opposite end As a result one end of the heat exchanger tube is warmer and gives off more heat than the other end Overlapping the heat patterns helps create a nice even heat If the heater is mounted correctly the end to end heat difference is minimized The most common installations are straight tube heaters but U configurations are also available The heat exchanger tube is covered by an aluminum reflector that serves two purposes First the design of the reflector directs the infrared heat emitted from the tube to a 90 downward radiation pattern This allows the system to evenly distribute the infrared energy over a floor area two times as wide as the system is high For example a system hanging 10 11 8 m 3 3 m above the poultry house floor can evenly heat across a 21 6 4 m area Second the shape of the reflector minimizes heated air which surrounds the heat exchanger tube from escaping Retaining the heated air helps keep the heat exchanger tube warmer thus allowing it to mo
37. partition is positioned across the heater If a floor to ceiling partition is located across the heaters the partition must have a hole for the heater that is equal or greater in size than the heater s clearances to combustible area Some partitions are just on the floor and wouldn t need to be cut The clearances below and to the sides of the heater are always greater than the clearances above the heater This document is intended to assist licensed professionals in the exercise of their professional judgment 23 of 35 5 5 Temperature Sensor Location Most growers prefer to create a separate heat zone with each heater so one sensor or thermostat is used with every heater The location of the sensor should be at bird level or as close to the floor as practical If there is one central line of heaters growers may initially locate the sensor somewhere between the outer water and feed lines and halfway between the burner and exhaust ends of the heater to ensure adequate temperature and comfort for the birds in this area Heat Sensor 5 6 Combustion Air Supply and Venting Contaminants such as feathers dust water etc may collect on the ceramic surface of pancake heaters low ering their efficiency These heaters also cannot be vented so combustion products are exhausted into the space and mix with the air the chickens breathe With gas fired low intensity infrared heaters corrosion resistant metal or flexible duct is used to deliver outside ai
38. r to the burner Isolating the combustion air inlet from indoor environment ensures that contaminants which would shorten the heater s service life do not enter the burner Gas fired low intensity infrared heaters have either 4 10 cm or 5 13 cm combustion air adapter diameter Most low intensity gas fired tube heaters are approved for vented or unvented operation dependent upon local codes and regulations Unvented heaters require extra ventilation Some heat will be lost due to extra ventilation Fresh Air Intake 5 7 Control Systems 24 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GAS FIRED INFRARED HEATING FOR POULTRY APPLICATIONS It is common for poultry growers around the world to use a single control system for all equipment in the entire house Many manufacturers offer whole house controllers to operate and monitor Heating e Lighting Natural Ventilation Forced Ventilation Feeding e Watering The majority of whole house controllers are capable of operating gas fired low intensity infrared heaters Some control systems used with high intensity infrared heaters fluctuate gas pressure through electro valves Systems that fluctuate gas pressure cannot be used with low intensity infrared tube heaters However poultry house controller manufacturers sell all the accessories needed to control gas fired low intensity infrared tube heaters
39. re effectively emit infrared energy to the objects below Different steel alloys and or coatings on the heat exchanger tube have different emissivity resulting in different outputs This document is intended to assist licensed professionals in the exercise of their professional judgment 3 of 35 Val CO offers heat treated aluminized tubing with its gas fired low intensity infrared heaters Heat treated aluminized steel tubing rates high on the emissivity scale and is preferred in poultry applications due to the corrosion resistant properties Val CO offers 024 gauge aluminum reflectors with its gas fired low intensity infrared heaters The shiny aluminum surface helps reflect and direct infrared heat away from the ceiling On all models the first 10 3 m of tubing is ALUMI THERM steel and the remaining tubing is heat treated aluminized steel Emissivity Measurement of a material s ability to give off infrared energy Emissivity Scale Materials and emissivities generally available in the industry Key 1 00 A perfect emitter Material Emissivity Temperature C F wavelength p Plain Steel 0 79 to 0 81 538 1000 3 6 Aluminized Steel Type 1 0 20 to 0 50 538 1000 3 6 Aluminized Steel Heat Treated 0 80 538 1000 3 6 Porcelainized Steel 0 92 to 0 96 38 100 9 3 Cast Iron 0 95 538 1000 3 6 Stainless Steel Type 304 0 44 to 0 62 538 1000 3 6 Stainless Steel Type 430 Polished 0 10 to 0 20 38 100
40. red Warm Air Heaters 15 3 4 Low Intensity vs Wet Systems ccccccseeeccesseeceeeeeceeseeceeuseeeeaseessaseesegeeeseeeeeseeeeees 15 3 5 Low Intensity vs Pancake Brooder 15 3 6 Infrared as the Energy Saving Option of 15 PART 4 TYPES OF GAS FIRED LOW INTENSITY INFRARED HEATERS 16 4 1 VAL CO North American PrOQUC S assesses 16 4 2 VALCO Wide Patern ANG CMS sexes ea Ros Eva ee TE Venice ut 19 PART 5 DESIGN CONSIDERATIONS FOR POULTRY APPLICATIONS 20 5 1 Typical Building Size and 20 5 2 Heater PIdcemel sies eai aed td ttu dece Lo dus 22 ROME eG e RR D TE E 23 5 4 Building Use Throughout Brood Cycle Dividers 23 5 5 Temperature Sensor Location s assesses 24 5 6 Combustion Air Supply and Venting sss 24 Dur GOMMOLSYSICING 35 992 9 0 90 12 ESA E A ROI tacto Oda dO gerens 25 5 8 Typical Layouts for Various House Shapes and Sizes 26 PART 6 INSTALLATION TIPS coeno Vence eu eva dU een dta a d too nan aco ona A ceruice 29 61 Heat Coverage SSeS ESS dade rop dU on UE OP xc Foo
41. red heating also called radiant or tube heating is new to many poultry growers As a result infrared heating may not be completely understood Three types of heat transfer exist radiation transfer of energy by electromagnetic waves convection transfer of energy through a fluid and conduction transfer of energy through a solid Overall people are most familiar with convective heat transfer When a heater blows warm air into a space the transfer of heat through the fluid the air in the space is a form of convection Conduction is also commonly understood When a frying pan is placed on the burner of an electric range the transfer of heat from the hot burner surface through the metal pan is a form of conduction Both convection and conduction require a medium a solid or fluid through which the energy is transferred Radiation on the other hand does not require any medium to transfer heat Infrared heat in the form of electromagnetic waves is emitted from a warm object and passes through either air or the vacuum of space at the speed of light before the energy strikes an object Once the electromagnetic waves strike an object heat transfer to that object occurs There fore infrared heat heats objects not air The ability to heat objects without heating the air is the concept that some people do not understand initially However the fact that infrared heat does not need a medium to transfer heat is a tremendous advantage over air heat
42. rooders is widely used in the United States and other parts of the world Pancake brooder heaters have an umbrella or pancake shape and are relatively small as a result heat output is very low Consequently more pancake heaters are required to uniformly heat a large space Pan cake brooders are often located about 3 1 m above the floor and heat the floor beneath it somewhat uniformly These heaters generally transfer about 40 of their energy as infrared heat to the floor and 60 to the air as convective heat This means that there will be some heat loss through the roof due to stratification Since they are mounted at a low level they have to be raised or moved when the poultry house is loaded out In addition since pancake heaters involve an open flame like high intensity infrared heaters These types of heaters consume valuable amounts of oxygen and add moisture to the house environment requiring extra ventilation and can cause the heaters to cycle on more frequently resulting in increased energy costs Pancake Brooder Heater 2 5 Central Wet Systems Boilers Wet systems are among the most expensive poultry house heating systems Despite the cost boiler systems have gained widespread acceptance and popularity due to their multi functionality and good heat distribution The pipes radiate heat in all directions Convective heat also rises from the pipes However much of the heat needed by the brood is directed upward and is transmitte
43. t extend from opposite sides of the burner unit Each side of the twin fire heater operates at an input that is half of the full rated input of the heater For instance if the rated input of a twin fire heater is 250 000 BTU h 70kW each side of the heater operates at 125 000 BTU h 35kW The twin heat exchangers allow a single heater to heat twice the area of a tube heater with one heat exchanger therefore taking the place of two heaters An advantage of the twin fire design is that only one electrical and gas connec tion are needed This can result in lowering the gas piping and electrical installation costs Although not recommended for brooding sections of a house a twin fire heater can be successfully employed in the grow out section of the house VAL CO Twin Fire Gas Fired Low Intensity Infrared Tube Heater This document is intended to assist licensed professionals in the exercise of their professional judgment 17 of 35 4 1 4 VAL CO Gas Fired Low intensity Infrared Tube Heater Input Rates VAL CO Single Input Infrared Heater 80 000 15 100 000 20 or 25 125 000 30 35 or 40 150 000 45 or 50 VAL CO Modulating Infrared Heater For North America Only 80 000 15 48 000 20 6 115 000 34 75 000 22 30 9 150 000 44 100 000 29 40 12 VAL CO Twin Fire Infrared Heater For North America Only 80 000 23 40 12 100 000 29 60 18 125 000 37 80 24 150 000 44 100 30 18 of 3
44. tallation and equipment performance is available through VAL CO representatives Please contact us for any further information you may require including the Installation Operation and Service Manual This document is intended to assist licensed professionals in the exercise of their professional judgment 15 of 35 PART 4 TYPES OF GAS FIRED LOW INTENSITY INFRARED HEATERS There are several models of gas fired low intensity unitary infrared heaters The most commonly used for poultry houses are Modulating e Single Stage e Two Stage 4 1 VAL CO North American Products 4 1 1 Modulating Low Intensity Infrared Tube Heaters Gas fired low intensity modulating infrared tube heaters offer an enhanced control option The heater is ca pable of operating not only at low and high fire but also at any input in between the high and low inputs This improved control technology allows the heater to deliver the amount of heat needed to more precisely maintain temperatures without temperature overshoot The precise control of the heater helps facilitate longer more efficient run times and reduces inefficient heater cycling In addition through gas air linkage technology the heater is able to vary not only the fuel supplied to the burner but can also vary the combustion air supplied This technology allows the heater to maintain efficient operation at various firing rates Fuel savings differences between the several styles of tube heaters w
45. te optimum performance and safety Val Co recommends that a qualified contractor conduct at a minimum annual inspections of your VAL CO equipment and perform service where neces sary using only replacement parts sold and supplied by Val Co Further Information Applications engineering and detailed guidance on systems design installation and equipment performance is available through VAL CO representatives Please contact us for any further information you may re quire including the Installation Operation and Service Manual These products are not for residential use This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS PREFACE Energy Costs Energy costs continue to rise and can skyrocket at an unprecedented pace Heating fuel and electricity costs are not immune from these trends As a result worldwide demand for energy efficient equipment has grown Energy and Poultry House Operation Since prices for the final product are set by the market integrators and growers are continually evaluating and implementing automated technologies to produce birds more efficiently The management of poultry houses during the early brooding stage of a chick s life largely determines whether they will reach their full potential Every hour that a chick s environment is less than optimum reduces growth rate and increases feed conversion Costs to b
46. ten sions are installed correctly and secured in place if necessary Decorative grille only Make sure shield is installed correctly and secured in place if necessary Decorative grille only The lower shield must be securely attached Inspect shield support straps and lower clearance shield anchor points Make sure shield is installed correctly and secured in place if necessary If wall tag is present make sure it is legible and accurate Please contact Val CO or your VAL CO independent distributor if you need a wall tag This document is intended to assist licensed professionals in the exercise of their professional judgment 31 of 35 Gas Fired Low Intensity infrared heaters heating a poultry house in the United States Gas Fired Low Intensity infrared heaters heating a poultry house in the United States 32 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS Fg L L C Te en E RT W LE m E ll Gas Fired Low Intensity infrared heaters heating a poultry house in the Middle East Gas Fired Low Intensity infrared heaters heating a poultry house in Africa This document is intended to assist licensed professionals in the exercise of their professional judgment 33 of 35 Gas Fired Low Intensity infrared heaters heating a poultry house in Europe Gas Fired Low Inte
47. the ceiling so they do not need to be moved when the poultry house is emptied 3 6 Infrared Heating as the Energy Saving Option of Choice Many solutions to enhance energy savings have been offered to integrators and growers As discussed earlier these proposed energy saving solutions commonly create other problems which need more solutions and so on With gas fired low intensity infrared heating the energy saving problem is solved with energy savings up to 50 over con ventional heating systems On top of energy savings an objective grower must consider the additional intrinsic benefits that may help enhance the grower s profits Low maintenance costs improved poultry production as well as an improved healthy environment all add up to the overall profitability of the poultry house All installation and service of VAL CO equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Val Co and conform to all requirements set forth in the VAL CO manuals and all applicable governmental authorities pertaining to the installation service and operation of the equipment To help facilitate optimum performance and safety Val Co recommends that a qualified contractor conduct at a minimum annual inspections of your VAL CO equipment and perform service where necessary using only replacement parts sold and supplied by Val Co Applications engineering and detailed guidance on systems design ins
48. trum differentiates all known types of electromagnetic energy by measuring the wavelength of the energy The wavelength is measured in microns one million microns are equal to one meter The shortest wavelengths in the visible light spectrum are violet and blue light Then as the wavelengths get longer we see green yellow orange and finally red Those rays with wave lengths longer than red are called infrared Wavelength nanometers 1 nm 1 x 10 380 6 000 10 000 Low Intensity Infrared Heaters visible Light Spectrum Infrared Spectrum Infrared Spectrum 1 Roberts Gordon LLC 1994 Sir William Herschel Infrared Handbook 1 4 pages 4 5 and 3 2 1 page 26 2 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS 1 3 Types of Gas Fired Infrared Heaters Gas Fired infrared heaters are usually classified into two simple groups high intensity infrared heaters and low intensity infrared heaters High Intensity infrared heaters also known as luminous plaque ceramic or pancake heaters mix gas and air behind a porous ceramic grid The mixture of fuel and air is pushed through the small holes in the ceramic grid and burned on the grid face with an open flame producing surface temperatures between 1600 F 870 C and 1800 F 980 C and an orange glow Since high intensity infrared heaters utiliz
49. ts can be positioned to direct some of the heated air downward to try to reduce immediate heat stratification and cold spots Typically however the ends of the house and the floor remain cooler while the cost of the additional fan adds to the cost of electricity Example of a Cabinet Heater All installation and service of VAL CO equipment must be performed by a contractor qualified in the installation and service of equipment sold and supplied by Val Co and conform to all requirements set forth in the VAL CO manuals and all applicable governmental authorities pertaining to the installation service and operation of the equipment To help facilitate optimum performance and safety Val Co recommends that a qualified contractor conduct at a minimum annual inspections of your VAL CO equipment and perform service where necessary using only replacement parts sold and supplied by Val Co Applications engineering and detailed guidance on systems design installation and equipment performance is available through VAL CO representatives Please contact us for any further information you may require including the Installation Operation and Service Manual 10 of 35 This document is intended to assist licensed professionals in the exercise of their professional judgment GaAs FiRED INFRARED HEATING FOR POULTRY APPLICATIONS PART 3 WHY INFRARED HEATING 3 1 Understanding Infrared Heat Transfer The concept of gas fired low intensity infra
50. vice of poultry equipment sold and supplied by Val Co 6 3 Clearances to Combustibles When choosing a location for a heat exchanger tube it is crucial to pay close attention to the area immediately above below and to each side of the tube Consider the distance from gas lines house dividers equipment suspension cables and any possible sensitive material when determining how to meet the required clearances since objects too close to the heat exchanger tube may be damaged While many objects can tolerate the infrared energy they receive near the heat exchanger tube a safe and comfortable recommendation would be to keep objects at least a distance equal to the clearances to combustibles from the heat exchanger tube The Installation Operation and Service Manual or specification sheet will give specific distances above beside and below combustibles Be sure to follow these impor tant specifications 6 4 Location of Other Structural Objects When designing and installing VAL CO gas fired low intensity infrared heaters it is important to avoid conflict with structural and mechanical features such as low ceilings dividers ventilating apparatus watering and feed lines etc 6 5 Heating Criteria Gas fired low intensity infrared heaters offer flexibility in design Long narrow poultry houses are a convenient shape and easily solve the problem of providing uniform heat Growers generally prefer to control temperatures to plus or minus 1 F
51. y gas fired low intensity infrared heating is to some unfamiliar or misunderstood The purpose of this manual is to help facilitate better understanding of gas fired low Intensity infrared heating and to help fa cilitate proper design and layout in a poultry house application Once applied and installed properly correctly maintained and utilized integrators and growers can enjoy an improved growing environment and obtain significant fuel savings over traditional heating systems This document is intended to assist licensed professionals in the exercise of their professional judgment 1 of 35 PART 1 INFRARED HEATING 1 1 Infrared Heating A New Concept Primitive people had only the sun to keep them warm before they discovered fire Sun and fire both give off infrared heat energy The sun s infrared energy is beamed downward toward Earth Fire sends heated air combustion gases and smoke upward but the heat felt from fire radiates in all directions not just upward Thus the popular idea that heat rises is not entirely true in reality infrared heat travels in all directions from the sun or from a fire Rather than saying that heat rises it s more accurate to say that warm air rises This means that since infrared heat travels in all directions the popular idea of rising heat would apply only to heating systems which rely on air to convey warmth The sun is estimated to be 93 million miles 149 million kilometers away from the Eart
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