Air booster pump plays an important role in the daily production of the industry, so what is its principle? What are the reasons for the failure and how to deal with it?
Principle of air booster pump
The air booster pump, also known as the gas booster valve, is driven by the low-pressure gas at the large-area piston end to produce high-pressure fluid at the small-area piston end. It can be used for compressed air and other gases. The output air pressure can be adjusted steplessly by driving the air pressure. It is used in the working environment where the pressure of the original air pressure system needs to be boosted. It can be used for pressure lifting, safety valve calibration, water bubbling test of valves and wellhead devices, detection of gas such as air pressure regulator and pressurized air.
The working principle of the air booster pump is to use compressed air as the power source and convert it into high-pressure gas with small piston area according to the low-pressure push of the large-area piston. The boost ratio is the ratio of piston area, which determines the output pressure.
The gas booster pump is suitable for the working environment where the original air pressure system needs to be pressurized, and can increase the air pressure of the working system several times. The pump is not applicable to the pressurization of high-purity gas. The output pressure of the factory gas circuit = pressurization ratio × Intake pressure, generally not higher than 1. 0MPa。
Therefore, the gas booster pump can be used to provide a small amount of local high-pressure gas in the following cases. Individual or partial devices in the gas circuit require high pressure. When the pressure of the main air circuit of the factory drops and the working pressure of the pneumatic device cannot be guaranteed, the booster pump is used to provide high-pressure gas to maintain the normal operation of the pneumatic device. Large diameter cylinders cannot be configured, but the output force must be guaranteed.
Troubleshooting of inoperative air booster pump
How to solve the problem that the air booster pump does not work? To understand the reason why the booster pump does not work, find out the reason why the booster pump does not work, and then analyze and summarize. This paper will briefly introduce the solution to the non operation of the air booster pump.
The reasons include: the change-over valve is dirty or the seal is damaged, which makes the hot water booster pump unable to operate normally. The two piston joints are damaged, the cotter pin falls off, and the two piston rods are misaligned, making the piston rod unable to move normally. Air leakage at the seal.
Wear and drive the piston sealing ring, so that there is air leakage on the upper and lower sides of the piston. Causes and solutions of booster pump not working 1. Check valve leakage. The pressurized water pressure will not flow back and the pressure will drop, which is the function of the check valve. Water leakage is a problem of the sealing quality of the check valve. If the set value is not reached, the circulating booster pump will not work.
Solution: first adjust the air booster pump to the specified value and mark it, then turn off the power supply of the booster pump and observe whether the pointer will drop. If it drops, it means there is water leakage. If there is no pressure gauge, turn on the faucet after shutting down for a period of time to see if the water pressure drops significantly.
It may also be that the shutdown pressure value is too high. If the shutdown pressure is set high, the pipeline booster pump will not reach the specified value. Carefully check the corresponding pressure value. Solution: if there is a pointer pressure gauge, you can look at the pointer pressure value and mark it without stopping the machine. Check the shutdown pressure value again and adjust the set pressure value appropriately.
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