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Contents
1. Directive 98 37 EC as amended does therefore not in every respect comply with the provisions of this directive does comply with the provisions of the following other EEC directives 73 23 EEC 89 336 EEC amp 94 9EC and that the following parts clauses of harmonized standards have been applied EN 50082 EN 50081 EN 60204 1 amp EN60947 1 amp EN1127 1 the following parts clauses of national technical standards and specifications have been used VDI 2263 amp CSN 136661 the component is certified according to N B 1026 has in certificate FTZU 02 ATEX 0252 allowed Pred Max 0 9 bar zone 20 inside the component and Kstmax 20 MPa m s The component shall be marked CE 1180 x IID St 80 C and furthermore declares that it is not allowed to put the machinery into service until the machinery into which it is to be incorporated or of which it is to be a component has been found and declared to be in conformity with the provisions of Directive 98 37 EC and with national implementing legislation i e as a whole including the machinery referred to in this declaration O1JULY05 1005GB Cat 20 Tab 05 01 Page 06 01 NF2000 SAFETY REGULATIONS Disregarding Dantherm Filtration safety regulations entails a heavy safety risk Maintenance Maintenance must be performed to Dantherm Filtration maintenance instructions Open fire sparking or some other form of heat generation such as2. must be ensured that any unintended restarting cannot occur for instance by locking the main switch Accumulated energy such as in compressed air system must also be switched off possibly discharged altogether before commencing the work O1JULY05 1005GB Cat 20 Tab 05 01 Page 06 02 For service and repair work making it necessary to be in dust laden air for instance in the filter hopper section the following safety equipment must be used 1 Respiratory Protective Device possibly with fresh air supply 2 Goggles possibly a screen mask in connection with fresh air supply 3 Fire Retardant Suit 4 Fire Retardant Working Gloves 5 Safety Footwear 6 Safety Helmet 7 Non Sparking Tools wherever possible Inspection of the filter bags when staying at the filter top after opening of the explosion relief doors may be performed only when the filter system has stopped For this purpose the personal safety equipment referred to above must also be used If the filter or similar is cleaned by a vacuum cleaner protection must be established against static electric charging in the suction arrangement Boring of holes in filter housing or adjoining pipe ducts may be made only when the system has stopped and been cleaned while taking great care and without heat generation If any fault s should occur in the electric system stopping the system and restart is disconnected the faulty component may not be removed to allow for further
3. without any importance The rotation direction used during test is preferred subsequently By reverse rotation direction the rubber lips may freeze the rotary valve When putting into operation check ampere consumption After completing mounting check that there is an electric connection between material inlet and material outlet so that no static electricity can arise As the rotary valve contains mechanically movable parts all components connected must prevent personal contact with the rotary parts As an example the following must be met All joints up to 1 metre from the rotary valve may only be taken apart by tools flange connections meet this requirement Access doors may only be opened by tools The connected controller must ensure the stopping of the rotary valve type NRSZ if an explosion occurs O1JULY05 1002GB Cat 20 Tab 06 21 Page 07 01 USER INSTRUCTION for Rotary Valve Type NRSZ Before any kind of activity the NF FILTER 2000 or NF 10 SAFETY REGULATIONS must be read carefully and the safety regulations must be strictly adhered to If any deviations are made from the safety regulations this may cause serious personal injury Before restarting guards hatches doors etc must be closed reestablished Your rotary valve is produced by Dantherm Filtration A S Assens DK 9550 Mariager Denmark Phone 45 99 68 09 00 Rotary valve type NRSZ is designed to be incorporated as a part element of a complete mater
4. 4 9EC and that the following parts clauses of harmonized standards have been applied EN 50082 EN 50081 EN 60204 1 amp EN60947 1 amp EN1127 1 the following parts clauses of national technical standards and specifications have been used VDI 2263 amp CSN 136661 the component is certified according to N B 1026 has in certificate FTZU 02 ATEX 0252 allowed Pred Max 1 2 bar zone 20 inside the component and Kstmax 30MPa m s The component shall be marked CE1180 x IID St2 80 C and furthermore declares that it is not allowed to put the machinery into service until the machinery into which it is to be incorporated or of which it is to be a component has been found and declared to be in conformity with the provisions of Directive 98 37 EC and with national implementing legislation i e as a whole including the machinery referred to in this declaration Product Manager Decla005GB C EC Declaration of Conformity for Components Directive 98 37 EC Annex II B Manufacturer Dantherm Eiltration A S Address Industrivej 13 Assens DK 9550 Mariager Tel 45 99 68 09 00 herewith declares that Type Rotary Valve type NRSZ 4 NRSZ 10 NRSZ 20 amp NRSZ 30 Art No 74004 xxx amp 74010 xxx amp 74020 xxx amp 74030 xxx Order No Serial No Production year is intended to be incorporated into machinery or to be assembled with other machinery to constitute machinery covered by
5. LANGUAGE ENGLISH GB X GERMAN D FRENCH F DANISH DK SWEDISH S FINNISH FIN DUTCH NL ITALIANI SPANISH E RUSSIAN MANUAL No 08002 0621 Machine Rotary valve NRSZ4 10 20 30 amp NRSZ3 Art no 74004 xxx 74010 xxx 74020 xxx 74030 xxx amp 399012 x95 Content Declaration 74004 xxx 74010 xxx 74020 xxx 74030 xxx amp 399012 x95 Safety Instruction Cat 20 Tab 05 51 06 01 06 02 Packing Transportation Manual Cat 20 Tab 06 21 04 01 Installation Manual Cat 20 Tab 06 21 05 01 05 02 User Manual Cat 20 Tab 06 21 07 01 07 02 Maintenance Manual Cat 20 Tab 06 21 08 01 08 03 Spareparts List Cat 20 Tab 06 21 09 01 09 02 Demounting Manual See Maintenance Manual Producer Dantherm Filtration A S Assens DK 9550 Mariager Denmark Decla004GB C EC Declaration of Conformity for Components Directive 98 37 EC Annex II B Manufacturer Dantherm Eiltration A S Address Industrivej 13 Assens DK 9550 Mariager Tel 45 99 68 09 00 herewith declares that Type _Rotary Valve type NRSZ3 _ _ o gt SS Art No 399012 x95 Order No Serial No Production year is intended to be incorporated into machinery or to be assembled with other machinery to constitute machinery covered by Directive 98 37 EC as amended does therefore not in every respect comply with the provisions of this directive does comply with the provisions of the following other EEC directives 73 23 EEC 89 336 EEC amp 9
6. SPARE PARTS for Rotary Valve type NRSZ NRSZ 4 10 20 and 30 delivered since the late summer 1997 The first ones with Motovario gear motor Prod No 1710 The first ones with UCF 207 935 bearings Prod No 1790 Pos Item no Text 1 Gear motor Depends on type and zone See data sheet for NRSZ rotary valve 2 Gear motor Depends on type and zone See data sheet for NRSZ rotary valve 3 7001 1 005 Clutch complete NRSZ4 NRSZ10 5 70000 190 Bearing UCF 207 35 6 18160 035 Gaco ring 35x62x7 7 70004 100 Rotor housing NRSZ4 8 70010 100 Rotor housing NRSZ10 9 74004 700 1 set rubber lamella for NRSZ4 max 50 C 10 74010 700 1 set rubber lamella for NRSZ10 max 50 C 11 74004 016 Rotor NRSZ4 with rubber max 50 C 12 74010 016 Rotor NRSZ10 with rubber max 50 C Option rubber max 80 C Pos refer to figure 2 Figure 2 O1JULY05 1002GB Cat 20 Tab 06 21 Page 09 02 NRSZ rotary valves Pos Item no Text 41 Gear motor Depends on type and zone See data sheet for NRSZ rotary valve 42 18160 001 Gaco ring 25 42 7 3 pcs 43 399012 030 Rotor complete include rubber lamellas max 50 C 44 399012 090 1 set rubber lamells 9 pcs Max 50 8C 45 399012 075 Rubber enclosure for rotor 46 399012 055 Steel section between lamella 47 399012 070 House for Gaco ring Option rubber 80 C Pos refer to figure 3 Figure 3 SCOICDACD CD G
7. Welding grinding drilling boring or smoking etc may not take place closer than 3 metres to filters etc working with an explosive atmosphere such as dust laden air It must be ensured that cleaning is performed on and around filters etc to prevent fire and explosive dust waste from igniting and causing heavy damage To prevent generation of static electricity in the filter system it must be ensured that the filter and the connected ducts etc are duly earthed Maintenance work may not be started until the total system has been stopped in a correct manner and until the power supply has been cut in a safe manner for instance by locking the main switch Inspection of the filter hopper section by opening the inspection doors at the gable ends may not be performed until the filter air flow has been thoroughly reversed and the hopper section emptied of material In this connection it must be checked whether the reversed air flow has been adequate by examining the residual dust settlement on the filter bags Inspection by opening inspection doors and similar may only be performed when personal safety equipment adapted to the conditions is used If a movable ladder is used for the work it must be secured correctly for stability before commencing the work Service and Repair Service and repair may be performed by specially trained staff only Before starting any work the energy supply must be switched off at the main switch and it
8. al volume per time unit larger than planned in periods Air flow opposite through rotary valve easily obstruc ting material passage Material fall velocity less than anticipated Material collecting in tufts lumps which cannot pass Material not being removed quickly enough at rotary valve outlet side x Remove tramp material Thaw outside with hot air water Replace gear motor Replace rotor Adjust thermal protection Replace fuse Replace cables to larger square Stop system switch not running on operating switch See under fault Thermally disconnected Examine why condition not met Mount fuses Remove tramp material Replace faulty parts Reduce material volume supplied e g at chain filters more frequent regeneration briefer step interval on chain conveyor Replace tightening lamellas Adjust production machine so as to change material Adjust production machine so as to change material Check emptying system function O1JULY05 1002GB Cat 20 Tab 06 21 Page 08 01 MAINTENANCE INSTRUCTION for Rotary Valve type NRSZ Before any kind of activity the NF FILTER 2000 or the NF FILTER 10 SAFETY REGULATIONS must be read carefully and the safety regulations must be strictly adhered to If any deviations are made from the safety regulations this may cause serious personal injury Before restarting guards hatches doors etc must be closed reestablished The following elements are to be
9. ed for use as explosion pressure isolation The actural dust and pressure shall be inside the specifications for the rotary valve For further info see the data sheet the declaration and the ATEX guidelines The rotary valve is mounted by fastening to material inlet and material outlet to the square flanges of the rotary valve If inlet outlet do not have sufficient stability for the normally occurring loads from the rotary motion of the rotary valve including start up additional stiffening should be made These stiffening must be fastened to the flanges When mounting inlet and outlet avoid jutting edges flats and similar which may inhibit the free material flow The placing of the rotary valve appears from a plant view plan allowing for servicing to be performed including dismantling of motor and rotor and allowing for power connection to be made When placing in places at the risk of inadequate cooling of the electric motor another placing should be considered external cooling established or special thermal protection considered Connect the electric motor of the rotor valve according to the power current regulations in force and make earthing As long as the rotary valve is not connected both at the material inlet side and at the material outlet side it must not be possible to set the rotary valve into operation During operation it may be appropriate for the rotary valve to rotate in a fixed direction but normally this is
10. ial transport system Operation such as start stop of the rotary valve does not occur in normal working situations The rotary valve will normally be controlled by a central control system for the material transport system of which the rotary valve forms part Troubleshooting Assistance All troubleshooting and fault remedying activities may by performed by skilled competent staff only with knowledge of the plant function and build up Safety regulations NF FILTER 2000 or NF 10 should be read before commencing activities and be observed during performance Before restarting all guards doors hatches etc must be reestablished The rotary valve must be examined carefully after an evt explosion fire If the rotary valve is not completely without damages and without visible changes the rotary valve must be changed in order to preserve the security level O1JULY0S 1002GB Cat 20 Tab 06 21 Page 07 02 Possible Cause Activity Proposal Rotary valve disconnecting thermally Rotary valve Rotary valve making screeching sound Material cannot pass valve without accumulation Jammed tramp material Rotor frozen Gear motor faulty Rotor faulty Thermal protection preset wrongly Fuse faulty Large voltage drop in power supply Operating switch off Thermal protection thermally Condition for operation not met in control system Fuses faulty Jammed tramp material Rotor rotor housing faulty Materi
11. maintained regularly at the intervals stated The briefest interval shall apply If any wear or similar is found the faulty parts must be replaced Maintenance Monthly Operating Hours Interval Clean gear motor of any dust encrustation and similar 1 500 Fill up the grease chamber 2 500 Check rotor housing shaft seal etc outside and motor bracket for wear etc 6 1 000 Check rotor housing inside for wear tramp material and similar 2 1 000 Check rotary valve lamellas shaft etc for wear and similar 2 1 000 Check and grease rotary valve bearings 6 1 000 Check gear motor for oil waste 6 1 000 Check connected transport pipes for wear and similar 6 1 000 A more detailed maintenance instruction is found on the following pages O1JULY05 1002GB Cat 20 Tab 06 21 Page 08 02 Rotary valve type NRSZ 4 10 20 and 30 Filling up the grease chamber See figure 1 point 5 Between the bearing and the end plate of the rotary valve there is a chamber which when filled up with grease prevents dust from getting into the surroundings The chamber is filled via the lubricator nipple near the end plate of the rotary valve Castrol LM Grease can be used Greasing of Rotary Valve Bearings The bearings are supplied greased with CASTROL LM Grease Regrease with the same or a similar grease type Gear Motor The gear motor is lubricated for life and demand no further maintenance In case of oil waste the gear moto
12. operation Proper troubleshooting and repair must be performed before restarting Disposal of replaced components dust waste from cleaning as well as other waste must be performed to the guidelines for the particular materials These guidelines have normally been established by the local authorities In case of doubt the person responsible for company safety must be consulted O1JULY05 1002GB Cat 20 Tab 06 21 Page 04 01 PACKING SHIPPING TRANSPORT INSTRUCTION for Rotary Valve type NRSZ Rotary valve type NRSZ is packed on a wooden pallet Pallet 800 x 1200 is used for NRSZ 3 NRSZ 4 and NRSZ 10 Pallet 600 x 2000 is used for NRSZ 20 and NRSZ 30 Weight kg Dimensions LxWxH NRSZ 3 37 1200x 800x 600 NRSZ 4 1200x 800x 600 NRSZ 10 1620x 800x 600 NRSZ 20 2670x 600x 600 NRSZ 30 2670x 600x 1000 The above weights are incl packaging Transport can be carried out using normal pallet handling equipment When using a crane lift the lifting strap must be fastened carefully at least two flange holes at each end Despatch may be effected by all means of transport normally used For sea carriage supplementary protection should be considered O1JULY05 1002GB Cat 20 Tab 06 21 Page 05 01 MOUNTING INSTRUCTION for Rotary Valve type NRSZ Before any kind of activity the NF FILTER 2000 or NF 10 SAFETY REGULATIONS must be read carefully and the safety regulations must be strictly adhered to The rotary valve is certifi
13. r must be changed Figure 1 TN LA SSS M QA wr Z RON I NAX Oo Z N iN N f aN UN WN I 4 UNG NS ZN i ZN j 6 KAY Lu O1JULY05 1002GB Cat 20 Tab 06 21 Page 08 03 Changing the rubber lamellas in the rotary valves type NRSZ Pull out the rotor from the rotary valve when changing the rubber lamellas and the end sealing plate In connection with the mounting af the new rubber lamellas all screws must be placed in the holes before fastening Check that the lamellas are secured to the shaft Dismantling Dismantling may be performed after an external lift for instance a crane has been established and the rotary valve has been cleaned inside of toxic explosive or otherwise dangerous material After cleaning the rotor valve consists of steel rubber copper lubricant plastic and paint O1JULY05 1002GB Cat 20 Tab 06 21 Page 09 01 LIST OF
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