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Bottom-mounted Pump: Core Equipment for Polymer Melt Transport

2026-03-21

The bottom-mounted kettle pump is a volumetric gear pump specifically designed for conveying high-pressure, high-temperature, and high-viscosity polymer melts. It is widely used in the discharge processes of reactors in industries such as resins and chemical fibers. 

This equipment is installed at the bottom of the reactor and is driven by a motor combined with a reducer and a universal coupling. It features a compact structure and reliable operation. Its outstanding characteristic is its strong self-priming capability, enabling stable material conveyance and pressure boosting under vacuum reaction conditions, ensuring the smooth discharge of high-viscosity melts from the reactor.


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In terms of process control, the bottom-mounted kettle pump can flexibly adjust its rotational speed according to production needs, achieving precise flow control. Whether in a continuous polymerization production line or in batch reactor discharge, this equipment can provide stable and adjustable conveying power to meet process requirements under different operating conditions.


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With its excellent high-temperature and high-pressure resistance and adaptability to high-viscosity materials, the bottom-mounted kettle pump has become an indispensable key piece of equipment in polymer material processing. Its stable operation and precise metering capabilities provide reliable melt supply for downstream extrusion, granulation, and spinning processes, effectively supporting the continuous and stable operation of production lines.


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