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The working principle and characteristics of variable plunger pump

by:Suncenter     2020-09-05
High pressure cleaner are prone to the cause of the problem is usually not because variable plunger pump, variable plunger pump wear fault is usually a component or part, such as nozzle seal wear. In general within the pump into the water shortage, are major causes of the failure of pump used early stage one of the reasons. 。 。 。 。 。 Is the core component of high pressure water jet equipment is a high pressure pump, its main function is to quantitative water into high pressure water, making water a powerful impact. The high-pressure pump were varied, such as high pressure plunger pump, high pressure reciprocating co2 transfer pump, high pressure electric hydraulic test pump etc. Used for high pressure cleaner of high-pressure pump is common with piston pump, the main reason is that the piston co2 transfer pump operation with high efficiency, and long service life. High-pressure pump piston generally have ceramic production, this kind of material is not easy to wear and tear, thus a longer service life. Piston pump is through a fixed seal, a piston movement before and after. Piston pump piston reciprocating motion, make the pump cavity working volume cycles, suction and discharge the liquid. And the plunger pump seal fortress, installed in the column by a smooth cylinder wall. It basically is to use the plunger in the pump cylinder reciprocating movement, formed between piston and wall of pump volume change, repeated inhalation and discharged liquid and heighten the pressure of the pump. Plunger pump generally have good early use features, its advantage is with high pressure rated, compact structure, high efficiency and convenient flow control, etc. , but its weakness is can't run too high pressure, life is short. The above is about some brief introduction of the characteristics of the variable piston pump, pump is the heart of the operation of the high pressure cleaner so that the quality of the pump affect the cleaning effect and service life of the machine. water capacity depends on the running speed of the pump, pump to make the same amount of water in and out. The flow parameters of piston pump is stable, is whether or not the equipment under the pressure of different jet out of the water flow is constant, therefore, if the nozzle or high pressure pipe jam, would result in a high-pressure pump pressure is too large. Therefore, the equipment in the system is equipped with pressure relief valve device. High pressure cleaner are prone to the cause of the problem is usually not because of the pump, pump failure is commonly by the components or parts of wear, such as nozzle seal wear. In general within the pump into the water shortage, is the main cause of pump used early stage failure of one of the reasons, generally because of pressure pipe diameter is too small or inadequate water supply, leading to no water entering the pump, the pump cavitation phenomenon, cavitation of the mixing in water gas generating small blast overpressure damage, makes the piston surface wear. Keywords: oil pump power plant, the axial plunger pump manufacturers, variable plunger pump characteristics
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