Dual drive melt Booster pump

With the technical progress of petrochemical industry, large displacement and high pressure will become a necessary trend for the development of melt Booster pump. Downstream of the polymerization plant in petrochemical enterprises, a large granulation plant is generally required to prepare granular materials from the powdered raw materials obtained through polymerization. In this granulation device, it is common to use a large extruder in series with the melt Booster pump. The extruder completes the melting, plasticization, exhaust and mixing of raw materials with auxiliary materials. The melt Booster pump builds the pressure of the mixed materials and delivers them to the underwater granulation device.

dual drive melt Booster pump 

With the increase of the geometric displacement and differential pressure of the melt Booster pump, the radial force and torque of the gear shaft of the melt Booster pump will increase. Especially for the driven gear shaft of the single drive melt pump, the load on the driven gear shaft is greater than that on the driving shaft. In production, the driven shaft is damaged due to the excessive load on the gear shaft of the melt Booster pump.

Dual drive polymer melt gear pump

The use of dual drive melt Booster pump can better improve the above problems. On the basis of increasing the output of the melt pump, because the gear teeth of the dual drive melt Booster pump are in a meshing and non-contact state, the gear shaft and bearing are only subjected to the hydraulic pressure from the differential pressure between the melt inlet and outlet when carrying, without the meshing force between the master and slave moving shafts, and at the same time reducing the input torque required on a single shaft, This reduces the possibility of fatigue damage caused by excessive load on the gear shaft, prolongs the service life of the pump, and saves production costs. The use of dual drive melt Booster pump has shown its advantages in high output and large-scale petrochemical granulation units.

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