Addtime： 2020-12-10 Browse times： 3498
Screw vacuum pump cooling is mainly for the screw vacuum pump in the use of high temperature in the process, if there is a short time of high temperature problem, but long time high temperature must cause enough attention. High temperature for a long time will damage all parts of the screw vacuum pump, and even cause the motor to be scrapped when it is serious. Let's take a look at the specific measures:
When the screw pump is cooled, the oil that can not be taken away from the shell is the oil that can not be cooled in the vacuum pump. Because there is no internal compression process, the exhaust temperature is very high, if the cooling effect is not good, it will cause deformation of the rotor and casing, affecting the effect of air extraction. Therefore, the shell of screw vacuum pump adopts double-layer tube wall hollow structure, which is called cooling jacket, which is built-in coolant and is the main heat dissipation channel of screw vacuum pump. Water cooling is a common method. The cooling jacket is filled with cooling water to cool the shell and then the rotor. At the same time, the rotor can be cooled by water to increase the service life of the rotor and achieve good cooling effect. However, the structural design needs the support of certain technology and processing level.
1、 The original fan cover is lengthened by 40cm, and an axial fan with the diameter of fan is installed inside. The motor power of axial fan is 850W, the speed is 14889r / min, and the voltage is 380V. The original fan is reserved, and the axial fan is set in another power supply control. After the screw vacuum pump is started, the axial flow fan runs, and the axial flow fan is stopped 30 minutes after shutdown to make the main motor fully cooled.
2、 Keep the screw vacuum pump motor clean and clean, regularly clean the dirt on the motor, and increase the heat dissipation capacity of the screw vacuum pump.
3、 Increase the bus voltage of screw vacuum pump to 400V.
The cooling method of screw vacuum pump can be increased by adjusting the original fan to reduce the temperature of the equipment. Then, it can be cooled by water cooling, which is also a good way to maintain the normal operation of the equipment.
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