Vacuum pump small knowledge sharing: processing screw vacuum pump leak the secret of _

During the

use screw vacuum pump will be affected by the leak. Many users think that this is the quality problem of the equipment, has been replaced by the new equipment. However, the cause of leakage is not only the quality problems. Here is to share about screw vacuum water pump leak problem causes and treatment methods.

01。 Before the back cover different heart

that is to say, screw vacuum pump before the back cover of the shaft Angle difference is very big, and the back cover and bearing the same skewness.

02。 Liquid ring up

liquid ring temperature and saturation vapor pressure increases, it reduces the screw vacuum pump vacuum degree, but it has no effect on the exhaust pressure.

03。 Untight seal

all the connecting bolts and tighten the screw vacuum water pump gland, wrapped tightly pipeline and equipment connected to the other parts, or replace the gasket and packing. For screw vacuum pump leakage, you can also use the putty as temporary remedial measures.

04。 Bearing deflection

1. This phenomenon leads to tilt installed in the screw vacuum pump impeller pump body. For a single pump, axial clearance is not uniform. When the impeller rotates, inevitably part of the friction with the side cover, scrape side cover, and the end face of the impeller can increase the axial clearance

2. When the compression chamber gas through enlarging the clearance, large spills into the suction chamber, this reduces the screw vacuum pump exhaust pressure or vacuum.

3。 At this point, it is necessary to unload the screw vacuum pump bearings for repair, and installed correctly.

screw vacuum pump is a pump unit, in the water pump housing with synchronous high-speed counter-rotating perform the function of suction and exhaust. In the process of using gas leakage occurs, need timely processing screw vacuum pump. Take good care of it

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