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Linn High Therm GmbH                                 

HT-1500-GT-VAC-Spezial GRAPHITE

                                      page 

33

 

operating instruction  issue 30.10.2018 
_____________________________________________________________________________________________________ 

 
 

10.  Gas and water flow scheme 

  

10.1  Gas flow scheme 

 

Содержание HT-1500-GT-VAC Special GRAPHITE

Страница 1: ...n Eurotherm controller Eurotherm recorder and vacuum pump stand Serial No 10025533 EDV Nr 19332 L I N N H I G H T H E R M G M B H Heinrich Hertz Platz 1 D 92275 Hirschbach Tel 09665 9140 0 Fax 09665 1...

Страница 2: ...Linn High Therm GmbH HT 1500 GT VAC Spezial GRAPHITE page 2 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________...

Страница 3: ...al operation manual Herewith we declare that the machine in the delivered design complies with the following provisions EC guide line for machines 2006 42 EC and following annex I EC guide line for EM...

Страница 4: ...cal connections 15 3 Technical Data 17 4 Description of system 18 4 1 Furnace housing 18 4 2 Insulation 18 4 3 Furnace prepared for the lead in off three extrusion die 18 4 4 Oxygen measurement in the...

Страница 5: ...____________________________________________________ 6 2 First start up 27 6 3 Manual operation 28 6 3 Operation with gas feeding 28 6 4 Operation under O2 atmosphere 29 6 5 Vacuum operation 29 7 Dew...

Страница 6: ...se pass on the safety advices to other users 1 1 Designated application The furnace was designed for heat treatments of various materials Flammable or explosive materials or those which release flamma...

Страница 7: ...2 Explanation of symbols This sign directs to important safety instructions Disregarding may lead to endanger your personal safety and or other s properties Read and observe all instructions in this...

Страница 8: ...void injuries and damages Any exceeding operation is considered to be not to be designated Manufacturer will not warrant for damages resulting therefore the risk is fully on the user II Any mode of op...

Страница 9: ...terials or those which release flammable or explosive substances during the heat treatment are not allowed to be heated in this furnace Material advice 2 It is not permitted to use materials which rel...

Страница 10: ...of installation only Packing material must be disposed of properly after use 1 6 Transportation Transportation must be performed by specialists who know and follow the safety regulations All advices o...

Страница 11: ...t E g avoid to place a poor insulated furnace next to the system When connector heads are becoming too hot temperature in muffle will be indicated lower than the actual temperature is This can under e...

Страница 12: ...a 1 1 2 connection The emergency water access of the furnace is provided with a shut off valve with vane relay If the shut off valve do not open during furnace start the program of the furnace will no...

Страница 13: ...e water cooling hoses if necessary Remove furnace chamber cover after unscrewing Cover of heating chamber appears Long holes in the cover are for heating elements Number of heating elements depends on...

Страница 14: ...are attached to this section At first plastic section which secured for transportation must be unscrewed from the connecting clamp Push clamp carefully over the heating element connecting ends will ta...

Страница 15: ...____________________________________________________________________________ 2 5 Electrical connections Heating elements are connected by configured flat strip laces and rectangular Aluminium strips H...

Страница 16: ...GT VAC Spezial GRAPHITE page 16 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________ pic 2 5 Electrical connecti...

Страница 17: ...urnace in mm wxdxh 1200 x 2000 x 2350 outer dimensions with re cooling unit in mm wxdxh 2300 x 2400 x 2650 outer dimensions of control unit in mm wxdxh 1200 x 600 x 2200 outer dimensions of cooling wa...

Страница 18: ...ing The current connections are installed on the furnace rear side The furnace housing is connected separately over feet with the furnace Under the furnace housing will be placed a second housing for...

Страница 19: ...possible The signal output to the controller is 4 20mA breakdown information 4 5 Three zone heating The heating is effected by 12 changeable graphite heating elements which are operated by 3 three ph...

Страница 20: ...ver temperature switch off Safety controller will switch off heating after approx 10 seconds when chamber temperature exceeds the safety controller s set value Red failure St rung bulb in button will...

Страница 21: ...ow of the ambient air during flushing Bottles and pressure reducing valves with manometer for a max output pressure of 1 bar are to be provided by customer 4 11 Additional nitrogen fumigation For supp...

Страница 22: ...nsert is exchangeable The filter class is HEPA H 13 A differential converter will be installed between filter inlet and filter outlet additionally for a supervision of the filter When exceeding a cert...

Страница 23: ...ains control bulb green message bulb red for failure message message bulb white cooling water control illuminated button heating white heating on off illuminated button vacuum white vacuum operation o...

Страница 24: ...page 24 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________ 5 Instructions for temperature controller For tempe...

Страница 25: ...with a low gas flow when not in use to avoid that humidity from ambient air gets into the furnace Open quick valve Sp lgas purge gas at furnace rear and set flow meter Reduce cooling water flow so th...

Страница 26: ...ace gases which are not toxic and non explosive Purge gas valve for large gas is open when system is switched off or in case of power failure 6 1 3 Advice for loading Wear goggles when loading the fur...

Страница 27: ...ace to 500 C maintain temperature for approx 3 hours The process effects expelling of chemically bound water in the graphite insulation and removes volatile binder components The purging gas must be s...

Страница 28: ...Cooling fan assembly starts automatically when main switch is operated Fans are switched on as long as main switch is ON 3 Load furnace and then close screw locks tightly 4 Open quick lock valves for...

Страница 29: ...to graphite heating elements and graphite insulation 6 5 Vacuum operation 1 When switch Vakuum vacuum is operated a vacuum is generated in furnace 2 After Vakuum vacuum was switched off furnace will...

Страница 30: ...water temperature the cooling can be reduced to when generating of condensate shall be avoided Ambient temperature at 39 oC and relative humidity of air at 60 Answer Lowest admissible water temperatu...

Страница 31: ...er weekly vacuum cleaning from residues from heating processes contacts cable heating check firm fitting of all connections every 6 months for contact burn off damages to cables damages for heating du...

Страница 32: ...pezial GRAPHITE page 32 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________ 9 Spare parts and consumables Spare...

Страница 33: ...00 GT VAC Spezial GRAPHITE page 33 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________ 10 Gas and water flow sc...

Страница 34: ...erm GmbH HT 1500 GT VAC Spezial GRAPHITE page 34 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________ 10 2 Water...

Страница 35: ...Therm GmbH HT 1500 GT VAC Spezial GRAPHITE page 35 operating instruction issue 30 10 2018 _____________________________________________________________________________________________________ page 35...

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