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Vacuum pump hydraulic system

The purpose and scope of SK series water ring vacuum pump:


   SK series water ring vacuum pumps and compressors are used to pump or compressed air and other non-corrosive, insoluble in water, does not contain solid particles of gas, so as to form a vacuum and pressure in the airtight container, mixed with a small amount of liquid in gas allowed.


   Water ring vacuum pump and compressor are widely used in machinery, petrochemical, pharmaceutical, food, sugar industry and electronic field. Since the compression process of gas is isothermal in the working process, it is not easy to be dangerous when the gas is compressed and pumped, so its application is more extensive.

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   The pressure adjustment of the vacuum pump hydraulic system is improper, resulting in the system heating, and the hydraulic system is generally high pressure and large flow system. The programmable controller introduces the roots vacuum pump, which greatly improves the reliability of the electrical system. At the same time to observe the pressure and the working condition of each system, for each system working properly rear can normal pumping speed, to work as a continuous, concrete cylinder piston should maintain with maximum running, in order to maximize the vacuum pump efficiency, and can make the concrete cylinder wear uniform in length direction, if pressure is too high and unstable, high oil temperature rise. When conveying the vibration of the crown and the difficulty of pumping, do not force the pump, and the cause should be immediately checked out.


    Survey found that many types of sk vacuum pump, in use after about 40 min, the temperature of the hydraulic system can be as high as 60 e, in about 2 h after use, the hydraulic system of the thermal equilibrium temperature is above 70 e, and the hydraulic system of the normal thermal equilibrium temperature should be around 50 e. Therefore, the oil temperature of hydraulic system is too high, that is, heat problem. In the hydraulic system, because of the performance requirement, the system usually has a safety valve, relief valve and sequence valve.


    If the pressure of the relief valve is too low, the relief valve will be opened frequently, resulting in overflow loss, resulting in a heating system. If high pressure adjustment, and can make the system internal leakage increase, make the system fever, so according to the load of the hydraulic system requirements, calculate and adjust the relief valve and pressure value correctly, to ensure that the system work within the prescribed scope of pressure.

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