Pressurisable vessels at less than 0.5 bar
Contents
1. adjust the valve 3 too in order to control the flow of liquid nitrogen Removing the DL3 pump Refer to the safety notes in section 8 4 in page 21 Figure 8 10 removing the DL3 pump 1 Disconnect the pressurisation pipe 4 if used from the relief valve 3 2 Check that the withdrawal valve 1 is properly closed 3 Open the relief valve rep 3 4 Wait until gas is no longer flowing at the connection 4 of this valve before going on to the next step 5 Remove the clamping ring rep 5 6 Remove the pump from the tank 7 Dry the pump all over before storing it where it will not suffer any impacts 25 26 9 Maintenance This section summarizes the procedures for inspecting and changing the components of the control head It also describes calibration of the pressure gauge 9 1 Preventive maintenance This section is for skilled and qualified persons who are authorized to carry out maintenance work Maintenance is necessary to ensure that the equipment remains in normal operating condition The person who uses the equipment is responsible for this The tools used for maintenance operations must be non abrasive and should have no sharp edges or points that could damage the surfaces Operation Frequency Cleaning the outside of the tank Every 5 Important note cleaning is limited weeks to the outer parts of the device The use of acetone solvents or any other highly fl2. Is the room equipped with a permanent ventilation system suitable for the size of the room Is the room equipped with an oxygen content checking system display outside the room Installation checklist Yes done No not done L L 15 Action Yes No not done done Are safe distances observed at least 0 5 m O O around the apparatus Is the liquid nitrogen supply pressure lower than 3 bar Has the apparatus being blown through to eliminate L L all traces of humidity 7 Installing the components This section describes the addition of the various peripheral devices dolly base DL3 pump foot pump pouring handle cart 7 1 DL3 pump The optional DL3 pump is fitted as follows Figure 7 2 DL3 pump step 1 4 Position the securing flange Figure 7 3 rep 2 and fasten it hand tight 5 Close the relief valve Figure 7 3 rep 1 6 You can connect a gradual pressurising system Figure 7 1 the optional DL3 pump with a cylinder or wait for the system to reach the 1 Screw on the bent part 1 at the star knob or right pressure by natural wastage quarter turn valve 2 orienting it as illustrated Note that it is possible to connect a hose directly in place of the bent part The valve does in fact have a standard type 130 connection to weld on the bent outlet an optional poral filter 2 Fit the seal 4 over the flange of the tank 3 Insert the lower p
3. Safety 7 Liquid nitrogen 8 Operators 7 Site web Cryopal 2 Skimming 5 Soutirage Avec dispositif simplifi 23 35 Mode op ratoire 23 S curit 23 Spare parts DL3 pump 31 Foot pump 32 Specifications DL3 pump 30 Stopper Accessories 32 Stopper Insulating 13 Stopper Stopping 13 Storage Tank 21 Structure of the manual 5 36 T Tank 13 Cleaning 27 Filling 21 Handling 21 Maintenance 27 Moving 21 Storage 21 Tilting cart 14 Accessories 32 Description 14 Tipping cart Fitting 19 Trade names cited 5 U Unpacking 15 Use 21 DL3 pump 24 Foot pump 23 W Warranty 33 Web 2 Withdrawal system DL3 overall view 14 Foot pump overall view 13 www 2 37 CryopAL I www cryopal com
4. in transferring the liquid nitrogen by gravity pouring from one tank into another It can only be done with tanks that are not too heavy for the operator Refer to the safety notes in section 8 4 in page 21 The tank must never be left unattended during the filling stage 1 Remove the stopper 2 Hold the tank as shown 21 Figure 8 1 filling from a TR vessel step 1 3 Pour the liquid nitrogen into the tank up to the desired level The highest permitted level of liquid is the lower edge of the neck The quantity of liquid nitrogen introduced can be checked by weighing given that 1 litre of liquid nitrogen has a mass of approximately 0 808 kg at atmospheric pressure Please refer to the table in section 10 1 on page 29for the weights Make sure not to overfill the tank during manual filling so as to avoid rupturing the vacuum in the inner wall liquid nitrogen coming in contact with the pump check valve 1 Figure 8 2 filling from a TR vessel warning 8 4 3 Filling with an installed DL3 pump 1 Check that the star knob or quarter turn valve 4 is closed just like the relief valve 2 Unscrew the nut 2 and remove the bent part 1 3 Connect a flexible line from the supply tank to the 22 end piece 3 Figure 8 3 filling with a DL3 pump in place step 1 4 9 6 Open the relief valve 5 Figure 8 4 rep 5 Open the star knob Figure 8 3 rep 4 Filling is co
5. marking on the carton are pointing in the desired unpacking direction Cut the straps and remove the lid Remove the tank 6 2 Installation The customer is responsible for ensuring that the premises comply with current regulations and safety standards and with the following recommendations A The maximum pressure of liquid nitrogen supply must be below 3 bars 1 5 bar recommended Using a higher pressure may damage the equipment The pressure of the portable tank reservoir should not exceed 0 5 bar The volume of liquid nitrogen available is determined by the quantity of liquid present between the minimum level and the maximum filling level in the supplying tank Before connecting the flexible filling line to the supplying tank or the liquid nitrogen supply it is important to purge the lines with dry nitrogen in order to remove any trace of moisture 6 3 Action Check the general condition of the apparatus Are users trained Does the room satisfy safety regulations and standards in force Are the dimensions of the room in particular the clear ceiling height after opening the lid suitable for installation of the medical apparatus Is access to the room limited to persons entitled to enter it Are safety instructions and risks related to liquid nitrogen posted Are instructions available accessible close to it Is personal protection equipment available accessible in the room
6. 5 TR60 TR100 ACC ALU 29 Non magnetic adjustable dolly base for TR35 TR60 TR100 ACC ALU 31 Lock kit 3 units ACC ALU 32 Item ACC TR 14 Insulating stoppers Insulating stopper for TR 7 11 21 26 35 60 100 ACC TR 17 Cart ACC TR 18 Cart for TR21 and TR26 Cart for TR35 ACC TR 16 Pouring handle ACC TR 15 Pouring handle for TR21 and TR26 Pouring handle for TR35 ACC FL180TCNL 08 Hoses i i OSOCO OOOO ACC FLIBSOTONL 15 630TC Flexible line for nitrogen nom dia 16 mm 2000 mm long ACC FL630TCNL 20 12 Warranty and limit of liability 12 1 Warranty The warranty period takes effect on the date of issue of the equipment delivery note and has a duration of one year Goods are delivered at the vendor s risk if delivered by a carrier appointed by Cryopal In other cases delivery is at the buyer s risk The vendor guarantees the equipment against all design faults and defects of manufacture and construction affecting the storage tanks The seller s guarantee is strictly limited at the seller s discretion to repairing or replacing the parts which it acknowledges as defective and to its labour expenses other than transport and packing charges Replaced defective parts become the property of the vendor The repair modification or replacement of parts during the guarantee period does not extend the duration of the guarantee To qualify for the guarantee the user must submit a claim to the vendor within 15 days of
7. Acrobat Reader installed on your computer to be able to read or print from this pdf manual in pdf format 1 7 Trade names cited Adobe and Adobe Acrobat Reader are trademarks of Adobe Systems Incorporated 2 Safety 2 1 Symbols used Symbol Meaning Important information about using the O equipment Failure to follow the instructions given for this point does not result in danger for the user Warning General danger In this manual failure to observe or implement the instructions preceded by this symbol may cause bodily harm or may damage the equipment and installations Name and address of manufacturer Mandatory read the manual Mandatory Protect your hands using appropriate personal protection equipment Warning Must wear protective goggles This symbol means Warning Room must be ventilated SQOQCOE gt To maintain perfect operating conditions and ensure that the equipment is used safely you must follow the instructions and take note of the symbols given in this manual The tank has been designed for use with liquid nitrogen only When the device cannot be used in conditions of total safety the equipment should be withdrawn from service and protected against accidental usage Full safety cannot be guaranteed in the following cases The equipment is visibly damaged The equipment no longer works particularly to accessories applies After prolonged storage in unsui
8. CryOPAL Pressurisable vessels at less than 0 5 bar TR type User s manual www cryopal com NH78388 Copyright O 2012 2013 by Cryopal Document code NH78382 English version Edition March 2013 Version D All rights reserved This document may not be reproduced in any form whatsoever in whole or in part without written permission from Cryopal The information given in this manual is accurate to the best of our knowledge This manual conforms to directive EEC 93 42 modified by directive EC 2007 47 Cryopal Parc Gustave Eiffel 8 Avenue Gutenberg CS 10172 Bussy Saint Georges F 77607 Marne la Vall e Cedex 3 Tel 33 0 1 64 76 15 00 Fax 33 0 1 64 76 16 99 E mail maintenance cryopal airliquide com Web http www cryopal com Table of contents 10 About this manual ooocnccccnnncinnncnnnncncnnnnenanannnos 5 1 1 Purpose of the manual cccccoccncccconcnnc 5 1 2 Who this manual is fOr ccc ooccnccconcnncc 5 1 3 Structure of the manual neenn 5 1 4 How to use this manual cccccoccnnccnnnnncn 5 1 5 Skimming the manual 5 1 6 The included CD cccooccccccccccoccccccnncconnnncnnas 5 1 7 Trade names Cited occccccoocccccconcnncccnnnnnnno 5 A 7 2 1 Symbols used cooooccccccnnconcccccnononoconnnnancnnnnnnnos 7 2 2 Operator Safety ooccccccccocconnconcnncocncnnonnnnnnns 7 2 3 Precautions in the event of a fault 8 2 4 I
9. ammable chemicals or liquid containing chlorine products is prohibited Wipe the plastic parts with a dry rag and if necessary with a slightly moist non abrasive sponge do not use abrasive powder or with impregnated wipes Ordinary domestic cleaning products slightly abrasive creams containing ammonia applied with a sponge will be acceptable for the tank and the stainless steel parts Afterwards rinse with a damp rag then wipe and leave to dry Airtight seal Every year Safety valve Every year The frequencies shown are guideline intervals and should be adjusted by the user according to the use made of the equipment 9 2 Replacing the centring ring seal This is necessary if leaks are detected here Change the ring and seal assembly 2 28 10 Technical specifications 10 1 Tank Total capacity Litres 7 12 21 26 33 60 99 Working capacity Litres 7 2 12 2 21 5 26 33 6 60 99 Diameter of neck mm 50 50 50 50 50 50 50 Weight when empty Kg 6 7 9 11 13 5 15 8 21 5 29 5 Weight when full of nitrogen kg 11 8 17 3 28 3 34 6 43 70 110 External diameter D mm 308 308 388 388 468 468 510 Overall height H mm 480 584 605 669 655 869 986 Evaporation per day 1 Litre day 0 2 0 18 0 18 0 2 0 24 0 4 0 55 Static duration of use Day 36 67 119 130 140 150 180 Total internal height mm 405 530 535 612 580 800 933 Handles A or P A A P P P P P Working temperature C 20 20 20 20 20 20 20 Storage temperature C l
10. art of the pump partway Figure 7 2 rep 3 into the tank taking care not to bang the neck of the inner tank The relief valve Figure 7 2 rep 1 shall be opened aS a safety measure Figure 7 3 DL3 pump step 2 Note the the tube 3 may need to be recut to adjust its overall height for the intended use Unscrew the top part of the pump Figure 7 2 rep 2 to release the pipe to be immersed Figure 7 2 rep 3 Adjust its length so than it does not touch the bottom of the tank before you tighten the upper part Figure 7 2 rep 2 17 7 2 Foot pump The optional foot pump is fitted as follows 1 Connect up the components as shown la Screw the plastic end rep 3 onto the orifice marked INFL rep 3 on the pump 1b Next join the other end of this plastic end piece rep 3 to the small bent pipe rep 1 on the stopper using the transparent plastic pipe rep 2 Figure 7 4 foot pump step 1 2 Slide the stopper 1 to adjust the length of the pipe 2 that will be inside the tank depending on how deep it is Figure 7 5 foot pump step 2 7 3 Pouring handle 7 3 1 Fitting the handle Proceed as follows to fit the pouring handle onto the tank 1 Unscrew the knurled handle 2 Slide the pouring handle on taking care not to damage the base of the tank Figure 7 6 pouring handle step 1 3 Position the pouring handle 2 so that the knurled handle is on the same side as the pump
11. e safety notes in section 8 4 in page 21 The tank must never be left unattended during the withdrawal stage 1 Before starting blow dry air or nitrogen through the lines and the valves to remove any moisture 2 Fitthe pump as shown in section 7 1 in page 17 3 Check that the relief valve 4 and the liquid withdrawal valve 3 are closed y Figure 8 8 transferring with the DL3 pump 4 Close the relief valve 4 again 5 Connect either the bent pipe 1 or a suitable flexible line to the 130 mm nut 2 Using the DL3 pump lt is important to note that the tank becomes pressurised by natural losses Consequently the length of time it takes before it is available for use will vary Note In order to be able to use the device immediately the connection on the relief valve 6 can be used no 7 in figure on previous page to connect a tube via which the tank can be rapidly pressurised from for example a small bottle of nitrogen gas 24 A Beware of possible splashes of nitrogen Proceed as follows 1 Open the liquid withdrawal valve Figure 8 9 rep 1 Check that the pressure is lower than 0 5 bar Figure 8 9 rep 2 Figure 8 9 using the DL3 pump 2 Once liquid is coming out the withdrawal valve Figure 8 9 rep 1 can be opened more fully 3 Close the withdrawal valve Figure 8 9 rep 1 to stop more nitrogen from coming out Note if a nitrogen gas cylinder is connected 4
12. ed to a source of compressed nitrogen which builds up sufficient pressure to eject the liquid nitrogen Figure 5 3 View of the DL3 withdrawal system 1 Bent tube N Liquid withdrawal valve With star knob or quarter turn valve Withdrawal tube Safety valve Control head Pressure gauge Clamping ring and collar Relief valve a Ul i Relief outlet or pressure inlet 5 2 3 Dolly base This base 1 can be firmly clamped to the tank and enables it to be moved inside a building making it easier to negotiate uneven floors lt has four castors and a foot brake Figure 5 4 Containers with and without dolly base 5 2 4 Tilting cart It is more particularly intended for TR21 to TR35 tanks Two support models rep 1 are available Model for TR21 and TR26 tanks Model for TR35 tanks Figure 5 5 View of the cart 5 2 5 Pouring handle The pouring handle 1 assists in handling particularly when liquid nitrogen is being transferred from the TR storage tank into a smaller container we u Figure 5 6 The pouring handle being used 6 Unpacking and installation 6 1 Unpacking For your own safety you must observe the safety rules and use suitable tools for unpacking and personal protection equipment At least two able people are needed to unpack the assembly Check the condition of the packaging on delivery Place the package down in such a way that the
13. ee 31 11 3 00 DUN euere 32 11 4 Accessories uanseesesnsnnensnnnnnnnnnnnnnne nennen 32 Warranty and limit of liability 33 12 1 Vaart 33 12 2 Limit of liability ccoocoocooononnconnnncocno 33 gt ee terete tase EE E S 35 1 About this manual 1 1 Purpose of the manual This manual refers specifically to cryogenic storage tanks in the TR range i e non pressurised tanks intended for storing and transporting liquid nitrogen 1 2 Who this manual is for This manual is for any professional who wishes to use a cryogenic container in the TR line 1 3 Structure of the manual For ease of consultation the structure of this manual follows the steps normally taken by the user as described below Topic Page Overview of the TR tank 13 Assembly standard components and 17 options Use 21 Maintenance 2 Technical specifications 29 1 4 How to use this manual The actions described in this manual are in the same sequence as those followed by the users of the product see section 1 3 1 5 Skimming the manual Given the specific nature of the cryogenic products and storage tanks we would advise against skimming through this manual We strongly recommend reading the chapters thoroughly in the order given 1 6 The included CD The accompanying CD contains This manual in electronic pdf format Manuals issued by Cryopal Note you will need to have the software known as
14. en compromised for example as a result of damage sustained during transit or during use it should be withdrawn from service Make sure that the withdrawn equipment cannot be accidentally used by others The defective equipment should be handed over to authorized technicians for inspection 2 4 Important Safety Elements EIS These EIS are Design rules for the EC Medical directives Technical documentation instructions and services maintenance Components integral to the products valves solenoid valves electronic equipment such as control and traceability electronics overflow prevention and degassing devices sensors and interfaces for remote monitoring by an automation controller etc the cover contact these elements are not necessarily present on the product Obligatory safety recommendations or advice the wearing of personal protection equipment when using our products instructions for the use of equipment etc During filling and transfer operations ensure that equipment and procedures that ensure safety are used hose vacuum valve 2 5 Destruction of the unit In order to protect the environment the equipment the tank and its peripheral equipment must be disposed of via the mus proper channels 3 Components supplied The product is delivered complete with Ref Designation Quantity 1 TR tank see table of capacities 1 page 29 2 Insulating stopper 1 3 CD Rom with this manua
15. ing valve TEN 1 Figure 7 7 pouring handle step 2 4 Screw in the knurled handle until it is firmly mounted on the tank 7 3 2 Removing the handle Proceed as follows to remove the pouring handle from the tank 1 Unscrew the knurled handle 2 Slide the pouring handle down off the tank Figure 7 8 removing the pouring handle 7 4 Tipping cart To mount the tank on the cart proceed as follows 1 Position the empty tank in the ring with the pumping valve 1 pointing upwards Warning there are 2 different types of tilting cart to suit different types of storage tank see section 5 2 4 on page 14 2 Tighten the screw rep 2 and check that it is secure Figure 7 9 tipping cart 19 20 8 Use This section describes the use of the assembled tank during transport handling filling by gravity or from a type TP supply tank and withdrawal using the liquid nitrogen 8 1 Storage precautions Before installing the equipment or using it for the first time it is essential to refer to the safety instructions on page 7 O The storage tank must always be kept sheltered from exposure to the elements with its control head or stopper fitted 8 2 Moving A The pressure inside the tank must be atmospheric pressure This is simply achieved by inserting the stopper provided so as to restrict loss of nitrogen and prevent the entry of moisture The insulating stopper provided i
16. its receipt of the equipment accompanied by the delivery note The required repairs modifications or replacements due to normal wear and tear deteriorations or accidents from faulty operation insufficient supervision or maintenance negligence overloads a use not conforming to the utilization regulations as well as shocks drops or degradations due to bad weather are not covered by the guarantee see the operating instructions This guarantee is immediately invalidated in the event of the replacement or repair of original parts by persons not duly authorized by Cryopal Within the limits imposed by applicable legislation it is expressly agreed that the guarantee awarded in this article is the only guarantee implicitly explicitly or lawfully granted by the vendor with regard to the materials sold and that except where stated to the contrary in writing the buyer renounces entitlement to any legal action which the buyer or its employees affiliate companies successors or concession holders might take against the vendor its employees affiliate companies successors or concession holders in connection with the materials sold this provision includes without limitation actions concerning personal injury damage to goods not covered by the agreement indirect or immaterial losses or damage and particularly loss of use or of profit loss of cryogenic liquid or of products in storage etc Within the limits imposed by applicable
17. l in paf 1 format Tableau 1 Delivered parts Figure 3 1 The delivered parts 4 General 4 1 Guide to components This illustration shows the main parts both included ones and options that make up a storage tank in the TR product line These are described in greater detail in the following paragraphs and pages The tanks will be used in an appropriate environment Figure 4 1 Overview of the parts that can be fitted on a type TR storage tank 4 2 Function Cryogenic tanks in the TR line and unpressurised aluminium tanks intended to store and transport liquid nitrogen 11 12 9 Description This section describes the two main parts i e the storage tank and the control head 9 1 Storage tank The tank consists of the following parts The tank itself 4 consisting of two vessels made of a light alloy with a collar of glass fibre and epoxy resin composite lt is thermally insulated by maintaining a vacuum in the space between the two vessels and by several layers of insulation on the internal one The exterior of the tank is coated with polyurethane paint for a good finish and durability A DN50 head flange 2 onto which different withdrawal systems are fastened see next section One or two handles 1 depending on capacity An insulating stopper 5 that limits nitrogen loss This stopper must be placed on the flange whenever the control head is not fitted on the tank Two
18. legislation the buyer undertakes to compensate the vendor its employees affiliate Companies successors and concession holders for all claims complaints demands court orders convictions or liabilities of any nature as well as all costs and expenses incurred by or imposed on the vendor in connection with the materials sold Replacement parts must be used in the conditions of service originally defined by the vendor In particular safety devices sold as replacement parts must be installed as replacements for the original safety devices in conditions of service pressure temperature gas valve diameter etc identical to the original lt cf gt Application of this guarantee takes place in accordance with the vendor s general terms and conditions of sale 12 2 Limit of liability Neither Cryopal nor any related company may under any circumstances be held liable for any damages included but not limited to damages for loss of manufacture interruption of manufacture loss of information defect in the indicator or its accessories bodily harm loss of time financial or material losses or for any consequences whether indirect or subsequent to a failure occurring in the course of use or inability to use the product even in a situation where Cryopal had been made aware of such damages 33 34 13 Index A Accessories 32 Dolly base 32 Hose 32 Insulating stopper 32 Pouring handles 32 Tilting cart 32 Ai
19. mpleted when liquid comes out of the end Figure 8 4 rep 7 of the relief valve Close the star knob Figure 8 3 rep 4 and the relief valve Figure 8 4 rep 5 Figure 8 4 filling with a DL3 pump in place step 2 Take caution to avoid being burned by cryogenic liquid coming out through the relief valve s tip rep 7 lf a pressure of 0 3 bar is maintained during filling the tank can be used immediately If it has not wait for the tank pressure to rise 8 5 Drawing off Drawing off consists in transferring the liquid nitrogen from the tank to another container lt is carried out using specially designed draw off equipment simplified draw off apparatus a foot pump or DL3 device fitted to the neck of the tank 8 5 1 Safety Nitrogen should be handled in a suitably ventilated room preferably with an oxygen level detector installed Indeed nitrogen is neither toxic nor flammable but may cause oxygen depletion in confined spaces The manual draw off pipe is provided only for filling small capacity containers During the various draw off operations cryogenic gloves or protective glasses must be used 8 5 2 Draw off using the simplified apparatus 8 5 2 1 Setting up 1 Unscrew the black handle 1 to release the reflector 2 Lift up the rubber plug 3 2 Gently lower the pipe 8 down to the bottom of the preferably empty tank If the tank is full there is a risk of nitrogen splashes The pipe
20. mportant Safety Elements ElS 8 2 5 Destruction of the Unit eects 8 Components Supplied csseeeeessseeeeees 9 C719 Rane aa 11 4 1 Guide to components cccsseeeeeeeeees 11 4 2 FUNCTION ccccsescecesseecesseeceeeeeaaeeeeauees 11 DESCHIPUON Ae 13 5 1 Storage tank oooooocnnonnconoccconoconcnnnnnnnnnonoos 13 5 2 Main accessories uuueneneeenennennennennnnnenn 13 Unpacking and installation 222 15 6 1 UNBACKING rennen 15 6 2 Instala euere 15 6 3 Installation checklist 15 Installing the Components ccccceeeseeeeees 17 Tol DES PUN Peseta a con 17 Lea FOOL DUI rastro leidas 18 7 3 Pouring handle minimas iia 18 TA Tipping CA reventar 19 A see E 21 8 1 Storage precautions cccccococnconccccconnnnnnnos 21 8 2 MOVINO ssp js 21 83 Handle poleas pts 21 8 4 Filling the tank ooocccccconcnncccocnncononcnnnnonos 21 8 5 Drawing off sictensridssusdeciesaas rect nennen 23 IMAINIENANCE momias 27 9 1 Preventive maintenance cccceceeeees 27 9 2 Replacing the centring ring seal 27 Technical specifications occccocnncconnnncnonnannnnns 29 A A an 29 10 2 DES PUMP ccccoooncccnnconnncnnconnnnnnnncnnncnnnonnanennns 30 11 12 13 Spare Palts ccsccceeeceeseccssssseeeeeeseeceessnneeeees 31 11 1 Storage TANK accionista tpiroistros 31 11 2 DES PUMP an
21. mproves the rate of evaporation of the liquid nitrogen by 35 Tanks can be full or empty when moved overland provided that they are open to atmosphere e with the stopper fitted Never seal a tank use the stopper provided 8 3 Handling The TR line of products has been designed to withstand the impacts that are unavoidable when a tank is moved Nevertheless to minimise the rate of loss and maximise the service life of tanks we strongly recommend that you Avoid severe impacts Keep tanks upright at all times Only move a tank inside the same laboratory do not use the tank as an intensive transport tank If possible use the optional dolly base 8 4 Filling the tank The tank can be filled by one of the following methods By gravity pouring the liquefied gas as one would from a bottle From a refill tank a TP tank line etc using the right hose for that refill tank A A For any operation with a liquefied gas you must wear protective gloves and goggles Mandatory Protect your hands using appropriate personal protection equipment The gas transferred is at a very low temperature When filling ensure that no personnel or equipment is near the place of transfer Refilling from a refill tank Refer to the TP tank manual 8 4 2 Filling from a TR tank This filling operation shall be carried out with or without a cart depending on the size of the refill tank The procedure consists
22. outlet should be turned towards a safe area before handling 3 Raise the pipe by 2 to 3 cm then adjust the plug 6 to the height of the neck 7 4 Lower the reflector 5 then re tighten the black handle 4 Y O OD Figure 8 5 setting up stages for drawing off 8 5 2 2 Procedure 1 Lower the draw off pipe whilst holding the container to be filled 1 up to the pipe outlet and hold the pipe using the handle 2 without pressing hard Filling is instantaneous 2 To stop the draw off remove the pipe 2 from the container 1 The draw off takes place because of heat from the pipe entering the container 3 For repeated filling operations allow the pipe to warm up for a few minutes to reach external temperature Figure 8 6 drawing off 8 5 3 With the foot pump Proceed as follows Refer to the safety notes in section 8 4 in page 21 The tank must never be left unattended during the withdrawal stage 1 Before starting blow dry air or nitrogen through the lines and the valves to remove any moisture 2 Fit the foot pump as shown in section 7 2 in page 18 3 Fit the foot pump onto the neck of the 7A tank 4 Place the anti splash device 1 into the receiving tank 5 Pump with the foot until the liquid reaches the maximum level in the receiving tank 23 Figure 8 7 transferring with the foot pump 8 5 4 With the DL3 pump Positioning the DL3 pump A Refer to th
23. rtight seal Replacement 27 Anti splash device 23 C Centring ring Replacement 27 Cleaning 27 Components 11 Components supplied 9 Composants 11 Copyright 2 D Description 13 Destruction 8 DL3 14 Installation 17 Positioning 24 Removal 24 Spare parts 31 Specifications 30 Use 24 DL3 pump Installation 17 Positioning 24 Spare parts 31 Specifications 30 DL3 External nitrogen cylinder 14 DL3 Manual valve 14 DL3 Pressure control 14 DL3 Pressure intake 14 DL3 Relief outlet 14 DN50 13 Dolly base Accessories 32 Foot brake 14 Overview 14 E EIS 8 E mail 2 Equipment Destruction 8 F Fault 8 Foot brake 14 Foot pump Installation 18 Positioning 23 Spare parts 32 Use 23 Function 11 G General 11 General safety 7 H Handle 13 Head flange 13 Hose Accessories 32 http 2 INFL 18 Inner wall 13 Installation 15 Checklist 15 Installing the components 17 L Limit of liability 33 Maintenance 27 Manual 5 9 Purpose 5 Readership 5 Skimming 5 Structure 5 Use 5 Moving 21 O Overview DL3 pump 14 Dolly base 14 Foot pump 13 Pouring handle 14 Tank 13 Tilting cart 14 P Page Web 2 Pompe a pied INFL 18 Positioning Foot pump 23 Positioning the DL3 pump 24 Pouring handle 14 32 Disassembly 18 Fitting 18 Pump check valve 18 19 22 R R cipient Soutirage 23 Utilisation 23 Removal DL3 pump 24 S
24. self adhesive labels carrying warnings and product identification The technical specifications are given on page 29 Figure 5 1 Overview of the tank 1 Handle 2 Head flange nom dia 50 mm 3 Annular space safety device 4 Tank 5 Stopper 5 2 Main accessories These accessories are not supplied with the standard version and must be ordered separately 5 2 1 Foot pump system It consists of the following parts A foot pump rep 5 A pipe 4 connecting the foot pump to the stopper 3 A spout through which the liquid nitrogen passes 1 as a result of pressure created by the foot pump Un bec par lequel sort l azote liquide rep 1 du fait de la pression cr e par la pompe a pied An anti splash fitting 2 Figure 5 2 View of the withdrawal system 13 5 2 2 DL3 withdrawal system It consists of the following parts A bent tube 1 through which the liquid nitrogen passes out of the tank A star knob 2 fitted on the end of the withdrawal tube 3 which controls the rate of flow of liquid nitrogen A control head 5 which fits over the flange of the tank The control head also supports a safety valve 4 A clamping ring 7 and collar A pressure gauge 6 A manual valve rep 8 to relieve pressure inside the tank also used to regulate the compressed nitrogen supply pressure A relief outlet or pressure inlet 9 In the latter case this outlet is connect
25. t 50 lt 50 lt 50 lt 50 lt 50 lt 50 lt 50 1 Daily evaporation and static duration of use are given for 20 C 1013 mbars with the tank stationary and the stopper closed These are nominal values and may vary depending on the history of the tank and manufacturing tolerances Figure 10 1 dimensional characteristics dimensions in mm 29 10 2 DL3 pump Feature Principal characteristics Height 1m Nitrogen pressure Pressure gauge graduation from O to 1 bar Installation Flange Valves Filling withdrawal Vent overflow 30 11 Spare parts 11 1 Storage tank Item Code Stopper ACC TR 14 11 2 DL3 pump ltem Code DL3 pump complete ACC TR 5 Pressure gauge ACC TR 19 Safety valve ACC TR 8 Seal for centring ring ACC ALU 16 Centring ring complete with seal ACC ALU 14 Liquid withdrawal valve nom dia 12 mm ACC TR 6 Membrane and shutter assembly for liquid withdrawal valve nom dia 12 mm ACC TR 7 Clamping ring ACC ALU 15 Complete control head pressure gauge clamping ring seal centring ring valve ACC TR 11 relief valve Control head nut ACC TR 12 Gland packing ACC TR 13 Relief valve ACC TR 21 Withdrawal tube ACC TR 23 Bent tube ACC TR 24 11 3 Foot pump item Code Foot pump complete ACC TR 1 11 4 Accessories tem Code Elbow with anti splash device ACC TP 17 Anti splash device ACC ALU 12 Adjustable dolly base Standard adjustable dolly base for TR21 TR26 TR3
26. table conditions After severe damage sustained during transit 2 2 Operator safety 2 2 1 General safety precautions Only personnel who have fully read this manual and the safety recommendations see NH78380 are authorized to handle and use the apparatus described in this document Like every other system your apparatus may be subject to a mechanical failure The manufacturer cannot be held liable for any production losses subsequent to defective operation of the kind described above even during the warranty period If the cryogenic tank appears to have an operating fault when used under normal conditions only properly trained and qualified personnel are permitted to service it The user must not be permitted to attempt repairs as this could present a risk to that person s health and or safety The equipment described in this manual is designed exclusively for use by qualified personnel Maintenance operations should only be carried out by qualified and authorized personnel To ensure the safe and correct use of the device during service and maintenance it is essential that all personnel observe standard safety procedures 2 2 2 Safe use of liquid nitrogen The temperature of liquid nitrogen is 196 C As a You must never touch objects which have been in contact with liquid nitrogen with your bare hands Always wear special gloves and visors when handling liquid nitrogen Liquid nitrogen used in storage free
27. zing chambers evaporates into the air 1 litre of liquid nitrogen releases around 700 litres of nitrogen in the gaseous state Nitrogen is an inert non toxic gas but displaces oxygen when released into the atmosphere Once the atmospheric oxygen content falls below 19 the human organism is at risk Any room or place where liquid nitrogen containers are kept must always be completely ventilated and at least equipped with an oxygen detector it should not be used for other purposes than those defined by your integrator All personnel should be informed of the risks associated with the use of nitrogen The storage tank is designed for use with liquid nitrogen only According to the ADR directive on transporting dangerous goods by road in order to avoid falling under the TPED directive TR tanks must be transported without being under pressure at atmospheric pressure and with their neck open It is prohibited to move the tank with its control head installed It may only be moved when the neck is open The neck of the tank must never be hermetically sealed Use the stopper provided The tank must always be kept vertical The tank must always be transported empty in its original packaging and in compliance with the current national and international regulations Never stack storage tanks on top of each other gt OO 2 3 Precautions in the event of a fault If you suspect that the integrity of the equipment has be
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