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- Batte Machinery Zhengzhou Co., Ltd.
- E-mail: firstname.lastname@example.org
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- Address:No.11 Changchun Road, High-tech Zone, Zhengzhou, China.
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How to maintain the high temperature melt pump after it stops running?
Melt gear pump is mainly composed of gear, shaft, pump body, safety valve, shaft end seal and so on. The gears are heat treated to have high hardness and strength (the service life is much longer than that of ordinary gear pumps), and the gears and shafts are installed in a replaceable bushing to run. All parts in the pump are lubricated by the medium being delivered. After the high temperature gear pump stops running, the inlet valve of the pump should be closed, and then the valves of the auxiliary system should be closed in turn after the pump has cooled down, and the accumulated liquid in the pump should be discharged to prevent rust and freeze cracking.
① Pumps that transport media that are easy to crystallize, solidify, and precipitate, etc., should prevent clogging after stopping the pump, and flush the pump and pipeline with clean water or other media in time.
②The high temperature gear pump should be stopped according to the provisions of the equipment technical documents. After stopping, it should be cranked for half a circle every 20 to 30 minutes until the temperature of the pump body drops to 50 °C.
③When the high-temperature gear pump is stopped, if there are no special requirements, the pump should always be filled with liquid; the suction valve and the discharge valve should be kept normally open; the low-temperature pump with double-end mechanical seal, the liquid level controller and the seal in the pump seal cavity The liquid should maintain the grouting pressure of the pump.
④ After the high temperature gear pump stops running, the inlet valve of the pump should be closed. After the pump is cooled, the valves of the auxiliary system should be closed in turn to discharge the accumulated liquid in the pump to prevent corrosion and freeze cracking.
The high temperature melt pump for thermoplastics is mainly used to process thermoplastic polymer melts with relatively low viscosity. It is widely used at home and abroad and can be used in the extrusion molding of most plastic products. Especially in the fields of precision extrusion molding of biaxially oriented films, non-woven fabrics, coatings, wires and cables, multi-layer composite films, chemical fibers, etc., melt gear pumps for thermoplastics have been widely used. Zhengzhou Batte Melt Pump Co., Ltd. is a professional melt gear pump manufacturer, providing various specifications of melt gear pumps for the resin, chemical fiber, rubber and other polymer material industries, and providing a variety of melt gear pumps that can meet all polymer working conditions. Series melt gear pump products. The company provides a complete range of melt gear pumps: ranging from 0.1CC to 12000CC, and can also be customized according to user needs. email@example.comPrevious：What is the self-lubrication of melt gear pump?
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