When the dry screw vacuum pump is working, air will be discharged from the pump body from time to time, so as to form the vacuum degree required by the work at the suction port, that is to say, the exhaust pressure is another main factor affecting the operation efficiency of the water ring type dry screw vacuum pump.
The exhaust pressure has a great influence on the suction capacity and shaft power consumption of dry screw vacuum pump. When the dry screw vacuum pump system is running, assuming that the higher the exhaust pressure, the smaller the suction capacity of the dry screw vacuum pump, and the greater the power consumption of the corresponding shaft operation. On the contrary, when the exhaust pressure of the system is smaller, the suction capacity of the dry screw vacuum pump will be greater, and the power consumption of the corresponding shaft will be smaller.
Therefore, in the process of theoretical operation and maintenance, the exhaust pressure data of the dry screw vacuum pump system should be observed in real time. When the abnormal exhaust pressure data appears, corresponding measures should be taken immediately to stop the renovation of the whole vacuum system, so as to keep the exhaust pressure of the vacuum system within the national standard or the recommended value of the manufacturer for a long time, so as to ensure the continuous processing of the dry screw vacuum pump Under the optimal working conditions, the overall operation mechanical efficiency of water ring dry screw vacuum pump can be effectively improved.
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