往复泵的运行机理探析

康雅洁

       往复泵工作的原理 现以活塞式为例来说明往复泵工作原理。 Now to an example to illustrate the reciprocating piston pump works. 活塞泵主要由活塞在泵缸内作往复运动来吸入和排除液体。 Piston pump mainly by the piston in the pump cylinder for reciprocating motion to breathe and remove the liquid. 当活塞开始自极左端位置向右移动时，工作室的容积逐渐扩大，室内压力降低，流体顶开吸水阀，进入活塞所让出的空间，直到活塞移动到极右端为此，此过程为泵的吸水过程。 When the piston began to move from the extreme left side position to the right, the studio gradually expanded volume, an indoor pressure has eased, fluid top-opening suction valve and piston are let out into space, until the piston to move to ultra-right-side end, this process is pump The water absorption process. 当活塞从右端开始向左端移动时，充满泵的流体受挤压，将吸水阀关闭，并打开压水阀而排出，此过程称为泵的压水过程。 When the piston to the left side starting from the right end of the move, filled with fluid by squeezing the pump, the suction valve closed, and open the pressure valve and the discharge, this process is known as the process of pressurized water pump. 活塞不断往复运动，泵的吸水与压水过程就连续不断地交替进行。此泵特点是：泵压力可以无限高，流量与压力无关，具有自吸能力，流量不均匀。此泵适用于小流量、高压力的输液系统。 Continuously reciprocating piston movement, the pump suction and the pressurized water process is continuous alternately. This pump features are: unlimited high pump pressure, flow and pressure has nothing to do with self-priming capability, flow unevenly. This pump is suitable for small flow, high pressure infusion system.

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