Installation and Operating Instructions - Antti
Contents
1. Antti Teollisuus Oy 12 408103 04 2014 Vulcan BIO Dryer Heater Basic parts of the heater 800 kW Basic parts of the heater 800 kW kg 5 9 10 6 A74885 A73184 2 kW 9 kW 800kW M13 lt BIOHEATER outlet cone 800 KW M13 BIOHEATER burner flange heat shield 300 650 KW M11 BIOHEATER burner door assy 300 650 KW M11 Flue gas aspirator 2 2 KW D200 200 73089 BIOHEATER centre part 300 650 KW M11 74885 A74722 BIOHEATER blower cone 2 X 7 5 KW a Adapter flange in accordance with the dimensions of the burner A74886 BIOHEATER blowers 2X7 A75046 BIOHEATER flue gas aspirator bracket 2 04 2014 408103 13 Antti Teollisuus Oy Dryer Heater Vulcan BI O INSTALLATION Installation of the dryer heater must be carried out by a skilled electrician and oil burner fitter with relevant authori sation as well by a person who is familiar with the installation of the dryer machinery and the fuel systems NOTE DEBRIS IN THE SUCTION AIR OF THE HEATER CONSTITUTES A FIRE HAZARD THE HEATER MUST BE LOCATED SO THAT DEBRIS IS PREVENTED FROM ENTERING IT Antti Teollisuus Oy 14 408103 04 2014 Dryer Heater Vulcan BIO Changing handedness of the burner s service door The burner s service door can be transferred to the opposite side of the heater or its ha2. 03 en rosec Koskentie 89 25340 Kanunki Salo Tel 358 2 774 4700 Fax 358 2 774 4777 E mail antti anitti teollisuus fi www agrosec com 04 2014 CONTENTS Dryer heater types viec ee v m nn E Eg DEOR LEUR 3 1 Lifting the dryer heater into POSITION titt tite Re hter vakka TERRE lane aN De AN SERRA ARKA keys 3 GENERAL INFORMATION ABOUT DRYING OF 4 POSITIVE PRESSURE DRYING 5 PURSUED CONFIGURATION irridet Rede eR o EP A PEE 6 PRESENTATION OF THE MACHINERY Pe e ades 7 AT73089 SPARE PAR FS DRAWING ode ae e EE Pe LEE A er edith 8 Dimension drawing 300 650 sana aaa aga aia i Tenan AA A Akad aa nemen D A A Aa a KANG innen nnns an nre 10 Basic parts of the heater 300 650 kW aiite tette a a a 11 Dimension drawing UR Eb OH Uto ate Nak a 12 Basic parts of the heater 800 2 222 1 4 na nanna naan 13 14 Changing handedness of the burner s service 15 2 Installing the air and flue pipes re e ea ri ee 17 Grai
3. not to be installed if the dryer is equipped with Logicontrol Air temperature sensor delivered by the burner sup plier Sensor for constant temperature optional On the inlet side the sensors are installed in the air pipe inside the building in a straight pipe part not near curves The sensors must not be in direct line of sight of the rear part of the combustion chamber The heat radiation from the chamber transmits wrong measure ment result to the thermostats Antti Teollisuus Oy 22 408103 04 2014 Dryer Heater Vulcan BIO To be observed before start up The oil burner fitter and the electrician have completed the test run The operation of the safety devices needs to be tested in practice to ensure their proper operation That the amount of fuel in the fuel storage is sufficient There are no objects in the heater room that do not belong there That exclusively clean air is blown through the heater Check once more that the main switches and possible safety switches are in the operating position That there is a fire extinguisher outside the heater room during drying Thatthe slab in the front and at both sides of the suction nets is clean and for example the wind cannot blow debris or withered plants near to the suction cone opening of the heater OPERATING INSTRUCTIONS FOR THE DRYER HEATER Adjusting the output f necessary restrict the flow of drying air using the adjuster in the suction air pipin
4. Heater Vulcan BIO Installing the burner by means slide rails Fire wool slabs t hickness min 50 mm Fire wool is used for insulation in the space between the burner and the furnace Thickness 50 mm Antti Teollisuus Oy 19 408103 04 2014 Dryer Heater Vulcan BI O 4 Electric installation Assign an authorised electrician to all electrical installation work installation of thermostats and connections to the control centre of the dryer The electrician shall issue a certificate of the installation in writing The sensors of the burner shall be installed in accordance with the burner supplier s instructions Instructions for the electrician on installation of the thermostats and sensors see also Fig Location of the ther mostats in the dryer On the inlet side the thermostats and the sensor are installed in the air pipe inside the building if there is a building in a straight part of the pipe not near curves where the airflow is smooth Furthermore the sensors must not have a direct line of sight to the rear part of the combustion chamber so as to prevent the red glow im
5. Vulcan BIO Part Item Denomination Dwg Pcs Weight no kg 1 A73089 BIOHEATER centre part 300 650 KW M11 A73089 1 1290 2 A73281 BIOHEATER outlet cone 300 650 KW M11 A73281 1 131 3 A73280 BIOHEATER blower cone A73280 1 163 4 A73316 BIOHEATER burner flange heat shield 300 650 KW M11 A73316 1 5 9 5 A73184 BIOHEATER burner door assy 300 650 KW M11 A73184 1 70 6 114591 Flue gas aspirator 2 2 KW D200 200 1 48 7 22436 Heater blower 11 kW standard optional 22436 1 345 7 22439 Heater blower 11 kW left optional 22439 1 345 7 22472 Heater blower 15 kW standard optional 22472 1 374 7 22473 Heater blower 15 kW left optional 22473 1 374 8 22430 Adapter blower pipe D630 optional 22430 1 10 6 8 22474 Adapter blower pipe 0800 optional 22474 1 13 4 9 Adapter flange in accordance with the dimensions of the 1 burner 10 A75046 BIOHEATER flue gas aspirator bracket 2 2 kW A75046 1 10 3 Antti Teollisuus Oy 11 408103 04 2014 v Dryer Heater Vulcan BIO Dimension drawing 800 kW Tuhkaruuvin laippojen ulkomitta 1556 ja Dimension drawing 800 kW
6. is led horizontally through the heater room wall and the parts of the vertical pipe are installed in a vertical position outside the heater room In this case a straight pipe is required between them Because the installation practice varies from case to case based on the design of the heater room and the way the fire regulations are locally applied it is advisable to submit the installation plan in advance to the municipal fire authorities for approval The flue pipe parts made of thick material are quite heavy Make sure the pipe is sufficiently supported No load shall be subjected to the flue gas aspirator A separate supporting structure is required under a pipe longer than this and its elbow A vertical pipe over 3 0 metres in length must be supported also laterally either using stay wires or support bars Installing the burner and the equipment for fuel storage To the mechanic and electric installations of the burner equipment apply the instructions issued by the supplier of the burner The electric installation shall be carried out by a skilled electrician with relevant authorisation The maximum temperatures given in the nameplate must be observed and they must not be exceeded The installation rails along which the heater can be pushed into the heater are included in the heater delivery The rails shall be placed between the openings in the heater and removed after the installation Antti Teollisuus Oy 18 408103 04 2014 Dryer
7. the combustion chamber from affecting the values measured by the thermostats If the sensors transmit the wrong information shifting one of them to the other side of the pipe may help Hot and cool air have probably not yet been mixed completely at this stage Another option is to measure the true temperature of the drying air and to raise the setting of the thermostats from their rated values by the difference between the true and the wrong measurement results applies to the LTM thermostat On the outlet side the thermostats and the sensors shall be installed in the outlet air pipe The electric conductors must be at a distance of at least 50 mm from the surface of the heating pipe so as to avoid the risk of overheating Carry out the electric connection of the heater in accordance with the wiring diagrams for the electric centre Antti Teollisuus Oy 20 408103 04 2014 Dryer Heater Vulcan BIO Thermostats and their initial settings Temperature regulator LTM thermostat If a Logic Control Centre is being used there is no need for a separate LTM thermostat If the maximum drying temperature of 100 C is applied the limit value for the thermostat must be raised to 130 C so that the burner will be switched off if this temperature for any reason will be attained malfunction The standard setting is 110 C and it is intended for standard positive pressure heaters The thermostat in question also prevents the blowers from stop
8. 184 1 100 2 110588 NUT M10 LOW DIN936 2 3 110560 NUT M10 DIN934 2 4 A73188 BIOHEATER LATCH 2 5 110616 NUT AISI 304 8 DIN934 4 6 800027 FLAME CONTROL DOOR 1 0 5 Antti Teollisuus Oy 15 408103 04 2014 v Dryer Heater Vulcan BIO A A A lt gt ZA 3222 A FIO f I 04 g LI lt A 223 CNN aL CUA K 2 2 LA Wass L Antti Teollisuus Oy 16 408103 04 2014 Dryer Heater Vulcan BIO 2 Installing the air and flue pipes The air piping between the dryer heater and the dryer is assembled of air piping parts Normally the inlet air pipe from the heater is conducted into the lowest drying sections The air piping shall be installed so that neither loose grain nor debris can slide directly into the heater from the air channel end of the drying section Before installing the pipes and the blower make sure that no foreign particles have entered the heater WARNING Foreign particles inside the heater are a fire hazard Grain pocket in the air pipe Occassionally some loose grains can fly out of the openings in the air ducts to the air channel end If the dryer heater is connected to the heater as illustrated in the picture the air pipe must absolutely be provided with a grain pocket The purpose of the grain pocket is to gather up the loose grains and prevent them from ending up in the heater The grain pocket must always be emptied before it fills up Install the
9. TAL OUTPUT kW The maximum temperatures given in the nameplate must be observed and it must not be exceeded 1 Lifting the dryer heater into position While lifting the heater observe the following usealllifting lugs ensure that the lifting gear stays in position in the lugs only use hoists with sufficient lifting capacity never go under or too near the device to be lifted Lift the heater without the burner into place as shown in the installation drawing or plan We recommended that the burner be attached to the heater before the heater is placed into its final location because the component is heavy the installation work goes much easier if the space is sufficiently large Because the foundation must be level and steady there is no need to attach the heater to its bed Attach the blower firmly in place Antti Teollisuus Oy 3 408103 04 2014 Dryer Heater Vulcan BI O Lifting points 170 kg 177 kg 345 kg 374 kg 2x 7 5 kW 360 kg Weight and lifting points GENERAL INFORMATION ABOUT DRYING OF GRAIN The idea of hot air drying is to conduct warm air through the grain and to evaporate moisture from both the surface and the inside of the corn The air is routed via pipe or air duct to the drying sections where the actual drying process takes place The moist air is led from the drying sections to the outlet air channel and from there via the pipes to the atmos
10. WELD 300 650 KW M11 A73091 1 682 4 A73221 BIOHEATER LEFT SIDE 300 650 KW M11 A73221 1 82 5 5 A73230 BIOHEATER RIGHT SIDE 300 650 KW M11 A73230 1 83 9 6 A73200 BIOHEATER HEAT EXCH DOOR 300 650 KW M11 73200 4 18 8 7 73242 SMOKE BLOCK 300 650 KW M11 A73242 21 2 55 8 A73236 BIOHEATER TOP 300 650 KW M11 A73236 1 45 9 73246 HATCH 300 650 KW M11 73246 1 24 8 10 73250 BIOHEATER AIR RESTRICTOR PLATE 300 650 KW M11 A73250 1 2 2 11 A73196 BIOHEATER ASH BOX ASSY 300 650 KW M11 A73196 2 21 9 12 A73184 BIOHEATER ASH BOX ASSY 300 650 KW M11 A73184 1 70 13 AT3317 BIOHEATER PRODUCT PLATE 300 650 KW M11 AT3317 2 8 6 14 73433 BIOHEATER ASH COVER PLATE 300 650 KW M11 A73433 2 2 1 15 A73832 BIOHEATER SHROUD M11 A73832 4 4 1 16 115550 GLASS FIBRE BAND 6X15 MM 12 17 115579 CERAMIC BAND KERABAND 3x9 46 Antti Teollisuus Oy 9 408103 04 2014 v Dryer Heater Vulcan BIO Dimension drawing 300 650 kW A D N e n o gt n 7 o 2 E o gt Dimension drawing Antti Teollisuus Oy 10 408103 04 2014 Dryer Heater Basic parts of the heater 300 650 kW Basic parts of the heater 300 650 kW
11. alue The sensor shall be installed in the lower outlet air pipe The cut off temperature is normally about 35 50 C it depends on the cereal being dried and the drying temperature applied If drying temperatures higher than normal are applied the cut off temperature will also be higher Install the sensor in the pipe in the same way as the drying air sensor that was described earlier in this manual see the picture The fire thermostat shuts down all the operations of the dryer immediately after the pre set temperature has been reached for example as a result of fire inside the dryer The fire thermostat is delivered with the blower The fire thermostat shall be installed in the outlet pipe Normally the thermostat is adjusted to 60 C The thermostat comes with a 2 metre long capillary pipe which makes it possible to install the thermostat box in a location where it is easy to access The manually operated reset button at the side of the thermostat box must always be reset after the temperature has risen to the switch off limit In normal operation the temperature never rises to such a high level Such an exceptional situation may occur while the dryer is being test run empty whereupon the temperature may easily rise to the pre set switch off value Drying temperature sensor PTC for the 27 flame Outlet air thermostat PTC the heaters fuelled by oil in a bioheater only for Fire thermostat monitoring the temperature LTM thermostat
12. amiliarise yourself with the instructions issued by the burner manufacturer before use Check the amount of ash in the furnace regularly and empty it as required Antti Teollisuus Oy 23 408103 04 2014 Dryer Heater Vulcan BI O SERVICING Annual service The flue pipe of the heater must be swept yearly immediately after the drying season The heat exchanger must be swept frequently to prevent reduction of the heater output If the temperature of the flue gas has risen notably over its normal value it is time to sweep The hinged hatch at the top shall be opened and after that the heat exchanger doors 4 pieces shall be lifted away The smoke blocks shall be removed from the convection channels of the heat exchangers and after that the convection channels shall be cleaned using a tube brush A rapid sweeping can be carried out by swinging the smoke blocks up and down a few times Before you close the cleaning doors check that the fire wool in the door is intact and in every respect in order If air leakage is possible renew the wool The seals on the hinged door must be checked and renewed if found defective The burner shall be serviced in connection with the sweeping Check the measures required by the instructions issued by the burner manufacturer Check before the start of the drying season using a flashlight that there are no mouse rat or bird nests which might constitute a fire hazard between the surfaces of the hea
13. antee is granted to the fire surfaces of the heater The guarantee covers defects in material and workmanship For the electric motors the separate guarantee terms issued by the respective manufacturers and importers apply The guarantee matters on the burner and the rest of the bioheater set up shall be agreed upon with the manufac turer supplier A prerequisite for validity of the guarantee is that the instructions issued by the manufacturer and the valid regula tions have been followed during installation use and service of the dryer heater All matters related to the guarantee shall be agreed upon with the manufacturer before any action is taken Antti Teollisuus Oy 25 408103 04 2014 v Dryer Heater Vulcan BIO EU Declaration of Conformity ANTTI TEOLLISUUS OY Koskentie 89 25340 KANUNKI Tel 358 2 7744700 Fax 358 2 7744777 declares that AGROSEC VULCAN BIOHEATER conform with the provisions of the following directives Machine Directive 2006 42 EC Low Voltage Directive 2006 95 EU Electro Magnetic Compatibility Directive EMC 2004 108 EU Kuusjoki 11 05 2010 dx An Kalle Isotalo Managing Director Antti Teollisuus Oy 26 408103 04 2014
14. g for the drying air blower You can only monitor the temperature of the drying air with the digital gauge in the electric centre of the dryer In the heaters fuelled by oil this gauge is used as a digital thermostat for the 274 stage The target value of the drying temperature is set in the electric centre of the burner Carry out the adjustment of the burning air in accordance with the instructions in the manual using a flue gas analyser Make sure however that the maximum temperature marked on the heater s nameplate is not ex ceeded It is also recommended not to operate the heater at too low an output because if the temperature of the flue gases drops too low water starts to condense When moving from the drying stage to the cooling stage after the drying the thermostat of the drying automa tion stops the burner automatically or switches it to maintenance mode depending on the burner supplier as soon as the pre set outlet temperature i e the cut off point has been reached if the heater is connected to an automatic centre NOTE Depending on the fuel the time required for shutting down will be quite long on energy grain Keep an eye on the lower outlet temperature The heater fan cannot be switched off even from its operating switch before the heater has cooled down below the fan temperature of the LTM thermostat nor shall the heater blower be switched off from the mains switch until the heater has cooled down F
15. grain pocket in the horizontal part of the air pipe to ensure its operation is efficient see the picture Carry out the installation as follows lift the part tight against the pipe and tighten it to the pipe using straps Draw a pattern for cutting through the opening remove the part and make the opening using a nibbler or plate shears Lift the part back in place and tighten its against the pipe using straps Fix the part to the pipe using self tapping screws and pop rivets Finish the work by applying sealing mastic Provide the outlet sleeve for the pipe at the grain pocket with a plug and as necessary ensure that it stays in position using self tapping screws Antti Teollisuus Oy 17 408103 04 2014 3 Dryer Heater Vulcan BI O The delivery of the dryer heater comprises a flue gas aspirator a set of flue pipes and a rain cap for the flue pipe The flue gas aspirator shall be installed as close to the heater as possible so it does not have to be sup ported separately Ensure however that the other parts of the flue pipe system are properly supported so that the aspirator connector the flue pipe flange or the aspirator will not be subjected to excessive load The parts included in the delivery are sufficient for most vertical pipe installations The ceramic seal strip which is included in the delivery comes between the flanges of the heater s flue pipe The strip is squeezed between the flanges under the band Often the flue pipe
16. intake of air the front wall of the heater room must be provided with an opening for replace ment air see table below For positive pressure heaters the suction air is usually taken from the side of the heater room via air pipes The heater room must be located in a dust free area Sufficient space must also be provided above the heater so as to make sweeping of the heater possible the free height above the heater must not be less than 1 2 metres An even dust free area must be provided in front of the heater room s air intake preferably it should be concreted and as wide as the heater room The flue pipe of the heater must be located at least 3 metres from any flammable wall of the dryer building and at least 1 5 metres from any non flammable wall of the dryer building The heater is provided with a flue gas aspirator which means that there are no specific requirements for the height of the flue pipe as regards to draught The sufficient safe distances to flammable materials must however be observed The above mentioned distances apply also when an existing dryer is updated to meet the latest requirements Primarily the same regulations apply to insulated and clad with sheet metal StandAlone dryers installed out of doors as to silo element dryers constructed of steel burner capacity effective area of the replacement air opening 300 1 500 cm i e 39 x 39 cm 400 2 000 cm i e 45 x 45 cm 500 2 500 cm i e 50 x 50 c
17. m 600 3 000 cm i e 55 x 55 cm 700 3 500 cm i e 60 x 60 cm 800 4 000 cm i e 65 x 65 cm Antti Teollisuus Oy 6 408103 04 2014 Dryer Heater Vulcan BIO PRESENTATION OF THE MACHINERY The heater is delivered in several parts the centre part of the heater comprises the blower and outlet cones as well as the service door for the burner The following parts are delivered separately blower with equipment heat shield for burner flange flue gas aspirator with the accessories required for the installation adapter plate for the burner depending on the supplier In addition the air pipe pipes must also be fixed The electric installation in the control centre of the grain dryer must be performed by an electrician In addition are required the fuel storage and the feeding screws to the burner including the burn back protection gt 4 STANDARD LEFT HANDED The handedness of the blowers in Agrosec Bio Hipress Antti Teollisuus Oy 7 408103 04 2014 Vulcan BIO Dryer Heater A73089 SPARE PARTS DRAWING A73089 Spare parts drawing 04 2014 408103 Antti Teollisuus Oy Dryer Heater Vulcan BIO Part Item Denomination Dwg no Pcs Weight 1 A73238 BIOHEATER JACKET LEG 300 650 KW M11 A73238 2 18 5 2 A73211 BIOHEATER BOTTOM PLATE 300 650 KW M11 A73211 1 58 3 A73091 BIOHEATER HEAT EXCHANGER
18. n pocket in the air naa naan essen nenne nennt ense sensn nns 17 3 Installing the burner and the equipment for fuel 18 4 Electric installatlohi 2 45 20 252 242 2588 epp etian iU Ee tum mp D ic 20 OPERATING INSTRUCTIONS FOR THE DRYER 23 Adjustinigithie Output RH pU te e I RE D d ebd NAK ra el t Lectus 23 SERVICING i aetna fatture iced etes 24 Antnual Service Eh T unie Dic eai 24 SEervIce duringithe Operation issa pec igiiur hen p Ped ie ca be Pe ro KANANG idee 24 GUARANTEE nani india 25 EU Declarationof GConformity ba ote red Dee Eo lan ee 26 Dryer Heater Vulcan BIO Dryer heater type This manual deals with positive pressure dryer bioheaters in ANTTI VULCAN model serie Refer to the nameplate affixed to the side of the machine for detailed information about the type of your heater Always notify the seller and the service personnel of the information in the nameplate to ensure quick assistance in case of malfunction and when ordering spare parts To have this data available whenever required write it down in the correspondin place on this page ANTTI TEOLLISUUS OY Koskentie 89 FIN 25340 KANUNKI Tel Int 358 2 7744700 UUNI BIO PRODUCT 2 OF MANUFACT TEMPERATURE MAX 100 c TO
19. ndedness can be changed as desired When removing the door bear in mind that it is heavy weighing about 97 kg If you only want to change the handedness of the door remove the hinges 2 pcs of M12 nuts from the frame of the door which remains in place against the burner flange Remove the counter pieces for the latch from the sides and attach the door by its hinges to these holes After that you only have to turn the control door and the latches 2 pcs on the side and attach the counter rollers for the latches Fitting the door against the frame shall be commenced from the side of the hinges The door must fit tightly but it must not press the gasket too much at the side of the hinges After this the counter rollers for the latches shall be adjusted to a suitable distance Check that the gasket is in contact with the door frame when the latches are closed When you use the door while the flue gas aspirator is running bear in mind that there is vacuum inside the burner chamber The large surface area affects the opening of the door The vacuum sucks the door so be careful not to put your fingers between the door and its frame WARNING When the heater is in operation the door must not be opened gt risk of burns danger to life Changing handedness of the burner door Part Item Denomination Dwg no Pcs Weight 1 A73184 BIOHEATER BURNER DOOR ASSY 300 650 KW M11 A73
20. phere Applies to positive pressure drying The maximum temperature of the drying air can be up to 100 C As fuel in the Bioheater can be used almost all energy sources in solid form the most popular are wood chips wood and peat pellets sod peat energy grain Average consumption of chips at various outputs dry wood chips Output Consumption in an hour m h mo fos ss 400 fos 9 far jon In a bioheater the heater with the heat exchanger comprises a separate set up The components for storing and transferring the fuel and the burner are supplied by a third party The most common system comprises a bioheater with a blower and a burner to which the feeding screw reclaims fuel from the discharge bottom In addition the equipment for transferring ash from the combustion chamber to a larger fire safe container The next picture illustrates the basic configuration of the machinery Antti Teollisuus Oy 4 408103 04 2014 Dryer Heater Vulcan BIO Bio outfit Part Item Denomination Pcs 1 RECLAIMER BOTTOM 1 2 FEEDING SCREW 1 3 BURNER 1 4 A73316 BURNER FLANGE HEAT SHIELD 300 650 KW M11 1 5 107720 SCREW PLATE SELF TAP HEX 4 8 x13 9 POSITIVE PRESSURE DRYING The positive pressure heater is intended for warming up the drying air and blowing it under pressure through the dryer Outlet air pipe po Drying section Dryer and positive pre
21. ping until the drying air temperature has dropped to 45 C i e to the fan value of the thermostat There are two discs inside the thermostat for adjusting the fan and limit settings The sticker under the openable cover indicates that the terminal blocks in the system 1 are multiplexer etc Drill a D19 mm hole in the air inlet pipe for the capillary pipe of the thermostat to be inserted into the air pipe and fix it by its holder on the pipe for example using self tapping screws The sensor for the drying temperature is included in the Bioheater delivery Connect the sensor to the control centre of the burner not to the control centre of the dryer The sensor shall be inserted about 100 mm into the air pipe see the picture below The control centre of the dryer may be equipped with a thermostat for the drying air temperature but in the case of bioheater it will remain unused The sensor can naturally be installed in the pipe and used for monitoring prevailing temperature on the thermostat s display but otherwise it is useless The desired drying temperature is adjusted in the control centre of the Bioheater Hole 210 5 1 Term sensor 2 Nylon pipe 3 Lead through rubber Installation drawing for the outlet temperature sensor Antti Teollisuus Oy 21 408103 04 2014 Dryer Heater Vulcan Bl O The purpose of the outlet air thermostat is to switch off the drying procedure as the outlet air temperature reaches the desired v
22. ssure bioheater Protective net Antti Teollisuus Oy 5 408103 04 2014 Dryer Heater Vulcan Bl O PURSUED CONFIGURATION The normal operating environment is an element silo dryer made of steel with a vacuum heater for generation of heat A grain dryer of section type is placed inside the building and the inlet and outlet air pipes are located on the opposite sides of the dryer building The debris pipe from the pre cleaner must be equipped with a cyclone or equivalent for separation of debris The separator must be located on the same side with the outlet air pipe or ingress of dust or debris into the suction opening of the heater blower must be prevented by some other means The inlet air is heated by means of a positive pressure heater located in a separate masonry heater room This heater room can be built either right beside the dryer or near it but only if the following requirements are met Where wall of the heater room abuts the dryer building it must meet the requirements of class EI60 Structural details that face outward can be of class EI130 and the roof can be of class EI160 Where the heater room wall faces the dryer building from a distance of at least one 1 metre the wall can be of class EI30 Note See also the requirements for the flue pipe and the door opening f protected against rain the heater can be placed at least three 3 metres from the grain dryer and other build ings Toensure sufficient
23. t exchanger inside the heater Ensure that the inlet air piping to the dryer is clean Some runoff of grain from the dryer may have occurred in connection with filling Remove the ash from the furnace and the ash box after the drying season Service during the operation Ifall annual services have been performed with care the dryer heater only requires daily visual checking during the operating season Even when the operation of the heater is controlled from the electric centre of the dryer burner it is advisable to go and look at and listen to the heater a few times a day to ensure its normal operation Itis advisable to always look at the upper end of the flue pipe when passing by the exhaust gases should be colourless and invisible When a cold heater is started visible water vapour may come out with the flue gases Dark visible smoke indicates incomplete burning of the fuel In this case the flowrate of the burning air must be checked immediately to prevent the heat exchanger from getting sooted The net in front of the suction opening must be clean Observe the fire risk If you have to clean the net on a regular basis you have to do something about the surroundings as well otherwise the risk of fire will be too high The amount of ash in the furnace under the burner must be checked daily in particular if the fuel that you have been using is grain because grain leaves behind plenty of ash WARNING Ifthe surface of
24. the ash rises to the level of the burner the burner may be damaged because of the impaired cooling fthe settings of the burner are correct the amount of ash gathering in the ash box is not great The amount of ash in the boxes must be checked regularly and if necessary the boxes must be emptied If the surface of the ash in the box rises too high the flow of the flue gas will be restricted In the worst case the flue gas does not flow properly and then the settings of the burner will change and the combustion will be incomplete Antti Teollisuus Oy 24 408103 04 2014 Dryer Heater Vulcan BIO WARNINGS Do not go into the fuel storage if it has no ventilation A closed space can be devoid of oxygen and thus dangerous to life Do not work alone in the fuel storage BEWARE OF THE BURNER S HOT SURFACES The burner is insulated but certain of its steel parts can be hot as they are in contact with the jacket of the burner THE SAFETY SWITCH MUST BE LOCKED IN THE OPEN POSITION FOR SERVICING THE SYSTEM MUST NOT BE BROUGHT INTO OPERATION BEFORE ITS INSTALLATION HAS BEEN COMPLETED ITS SAFETY DEVICES HAVE BEEN TESTED AND ESTABLISHED TO BE FUNCTION ING PROPERLY AND THE OPERATOR HAS FAMILIARISED HIMSELF WITH THE CORRECT USE OF THE SYSTEM AND UNDERSTANDS HOW IT WORKS NEVER PUT YOUR HANDS THROUGH THE OPENING INTO THE FREE FALL FUNNEL GUARANTEE The guarantee period for the Antti heaters is one 1 operating season A five year guar
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