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2. High-viscosity rotor pump The pump bearing seat is provided with a mechanical seal and a packing seal device, so that a large amount of liquid leakage cannot occur, and a small amount of leakage can be discharged through the leaky nozzle. It is normal to have a small amount of leakage at the beginning of the operation. The leakage will be reduced or stopped after a certain amount of time has elapsed.
3. The suction pipe diameter of the high-viscosity rotary pump is generally large, and sometimes the diffused suction port is used to expand the volume of the low pressure zone to reduce the inlet liquid flow rate and reduce the suction resistance of the pump. This structure can also be used. Reduce radial forces acting on journals and bearings to extend the service life of high viscosity gear pumps.
4. Safety valve and other protective devices are also installed on the outlet pipe of the high-viscosity rotary pump so that once the outlet passage of the pump is blocked, the safety valve can be opened to relieve pressure. The safety valve can be integrated with the pump body or the pump cover, or it can be Separately assembled, installation safety protects the pump and motor.
5. The high-viscosity rotor pump is equipped with a heat-insulating sleeve on the pump, which can be used as a heat-insulating pump. The heat-insulating jacket is integrally cast, and the heat-insulation effect is good, and the leakage is zero.
Part of high-viscosity rotor pump parts 1. High-viscosity rotor pump The pump shaft is provided with a stuffing box at the front end, so the sealing performance is relatively reliable.