The correct use of rotary-vane vacuum pump are ten 'knowledge Rotary vane vacuum pumps -

rotary vane vacuum pump is a kind of mechanical vacuum pump oil seal type, mainly composed of pump body, rotor, rotary vane, end cover, spring, etc. Rotary vane pump is single stage and double stage two, two stage is in the structure will be two single pump together, make it two stage, more commonly in order to obtain higher vacuum degree. 。 Rotary vane vacuum pump working pressure range is 101325 ~ 1. 33×10- 2 ( Pa） Belongs to the low vacuum pumps, rotary vane vacuum pumps can be used alone, also can be used as a high vacuum pump or other ultrahigh vacuum pump before, it is widely used in metallurgy, machinery, military industry, electronics, chemical industry, light industry, petroleum, medicine industry and scientific research departments, etc.

atlas double rotary vane pump:

use rotary vane vacuum pump ten points:

1, using rotary vane vacuum pumps, pump clean, prevent impurities from entering the pump. Check the oil level, in order to stop the pump when it is advisable to note oil to oil the center. Low oil sealing effect to the exhaust valve can not, affect the vacuum degree. Too high, can cause atmospheric startup fuel injection. Operation, the oil level was increased, belongs to the normal phenomenon. Clean oil with specified brand of vacuum water pump oil from oil hole to join. Come on to end, should be screw on plug. Oil should be filtered, to avoid clutter into, blocking oil hole, fuel oil according to the indicating device used in vacuum pump oil. Rotating three-way valve, make the pump suction pipe and air are interlinked, and cut off from drying containers, open the vent.

2, when the environment temperature is too high, oil temperature, viscosity, saturation vapour pressure will increase, will cause extreme vacuum declined, especially with a thermocouple meter measured all the pressure.

3, rotary vane vacuum pump should not be used for containing too much oxygen and explosive gas and metal corrosion. In addition, unfavorable also can react with pump oil gas inhalation and contains a large amount of water vapor gas such as

4, rotary vane vacuum pumps can be in any general atmosphere or vacuum next start, pump such as assembling solenoid valve, with the pump operating at the same time.

5, rotary vane vacuum pump after normal operation. Slowly rotating three-way valve, make the pump suction pipe and deflate the container and cut off from the atmosphere.

6, turn the pulley by hand, check the running status, without exception, switched on again, pay attention to the rotation direction.

7, use after a period of time, belt sagging, must carry on the motor position adjustment. Note added oil pump, found that the pump oil mixed with sundry or water, to replace the new oil, cleaning pump body, are not allowed to be freed with ethyl acetate, acetone and other volatile liquid cleaning water pump body.

8, check dalian limiting vacuum of vacuum water pump will be subject to compression type mercury vacuum gauge, such as the meter through full drainage efficacy, stabilize pump temperature, pump inlet and directly connected, run 30 minutes, will reach the limit of vacuum.

9, such as relative humidity is higher, or is pumped gas contains more condensable vapor, on being connected to the container, after appropriate open the gas ballast valve, 20 ~ 40 minutes after close the gas ballast valve. , before stop the pump valve can be KaiQi town light exercise for 30 minutes, to extend the life of the pump oil.

10, stop using rotary vane vacuum pumps, to keep the vacuum system has certain degree of vacuum, should rotate the 3-way valve (pos. No. , closed, the vacuum system of pump suction pipe and air are interlinked. Cut off the power and stop operating. Cover tightly closed vent, pump cover.

that is rotary-vane vacuum pump are ten use the matters needing attention, if you have other don't understand the place can contact Chen Gong constant, will answer for you.

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