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油田使用的计量泵大都存在着泄漏严重、耗电多和易损坏等问题，针对这一情况，进行了新型泵的设计研究。膜驱动变频计量泵采用变频方式，通过调节电机转速改变柱塞泵的冲次来调节泵的流量；动力端采用固定冲程柱塞泵的基本结构，省去复杂的冲程调节装置；液力端采用直接驱动式
Most of the metering pumps used in the oil field have serious problems such as serious leakage, excessive power consumption and easy damage. In response to this situation, a new type of pump design and study has been carried out. Membrane-driven variable frequency metering pump using frequency, by adjusting the motor speed to change the pulse of the plunger pump to regulate the flow of the pump; the dynamic end of the fixed-stroke piston pump with the basic structure, eliminating the need for complex stroke adjustment device; Direct drive