Water ring vacuum pump solution - eight kinds of vacuum degree not enough problems

according to the water ring vacuum pump, it is a kind of using mechanical energy without internal compression vacuum pump. Therefore, the vacuum degree requirements are relatively high. If the vacuum degree is not high, the use of the vacuum pump will be affected. Shall check product, therefore, find out the cause of the problem and corrected.

1。 Water ring vacuum pump: insufficient cooling water discharge should increase the cooling water flow.

2。 Improper assembly will lead to the rotor axial displacement, result in unilateral wear: should be removed for inspection and reassemble.

3。 Wear vacuum pump suction hard objects ontology: remove the water ring vacuum pumps, remove hard objects, repair or replace cut parts.

4。 The temperature of the vacuum pump is too high: pumping gas temperature is too high. Let the gas into the vacuum pump cooling before entering; Cooling water should be used or the electric fan to cool down the temperature. At the same time, check the fitting clearance of related parts, and according to the provisions of the accuracy requirement for repair or replacement.

5。 Water ring vacuum pump itself will leak air: pump itself, untight seal at the shaft seal leakage air. Should replace the air valve. If seal leakage, check all the seals seals, and replace the damaged seal ring. If pneumatic valve gasket damaged or is not tight, replace the washer and screw down the pneumatic valve. When the diaphragm in the vacuum pump is trendy, interference is too big, lead to deformation of the vacuum pump cavity and gas leak. Should repair or replace the vacuum pump cavity. Air leakage is caused by poor vacuum pump oil seal. Should remove the end cover, and check whether there is sundry or uneven, and then clean or repair.

6。 There is a problem with the vacuum pump oil: if the oil level is too low, in the middle of the oil mark adding enough oil pipeline; If the oil contamination and deterioration, replace with new oil. If oil brands do not match, should replace the specified brand vacuum pump oil. Oil duct blockage, water ring vacuum pump chamber can't maintain the appropriate amount of oil. Check the oil and oil valve input, keep clear of oil.

7。 Water ring pump inlet and outlet of the gas medium pressure difference is too big: if dry pump need to check whether the valve failure, if the failure of the outlet pressure may be too high, if the wet type pump is too high, export water seal pressure may be too high, or export pipe diameter is too small, bend too much will increase the export of resistance, according to the actual situation.

8。 Between the rotor and rotor and clearance between rotor and shell is too big, the air temperature is too high, if it is wet pump, cooling water can be injected into the port, if it is dry pump, in the outlet a cooler to reduce the air temperature increase.

in addition, the water ring vacuum pump wear and tear or processing can lead to bad fit clearance is too large and vacuum degree. At this time, should according to the requirements of precision inspection, repair or replace the vacuum water pump cavity, fit clearance between the rotor and rotor and end cover.

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