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Roots vacuum pump unit of maintenance
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hhm1020
Posted 2018-09-21 2:46 AM (#246163)
Subject: Roots vacuum pump unit of maintenance


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The advantage of Roots vacuum pump is that it has a higher pumping rate at a lower inlet pressure, but it can not be used alone. It must be connected in series with a front-stage vacuum pump. The Roots vacuum pump can not start to work until the pressure in the pumped system is pumped by the front-stage vacuum pump to the allowable inlet pressure of Roots vacuum pump, and in general, it can not start to work. Lower, Roots vacuum pump does not allow high pressure differential work, otherwise will be overloaded and overheated and damage, so the use of Roots vacuum pump must be reasonable choice of pre-vacuum pump configuration into Roots vacuum pump unit, installation of necessary protection equipment.


Roots Vacuum Pump Unit has a very big development prospect in our country, with the development of industry is increasing demand, but such a large workload of use, for the equipment itself, if not timely maintenance and maintenance, for our future use is very unfavorable, for quality will also have a certain harm. Therefore, we must do the corresponding work and understand the maintenance of it.


1. Roots Vacuum Pump Unit is very hot, this is because we choose the front pump pumping speed is not enough, resulting in excessive compression ratio high inlet pressure, poor cooling, gear box lubricant is too high, rotor and pump shell contact, gear, bearing, oil seal lubrication is not good. The solution is not difficult, as long as we re-select the front pump, adjust, control the inlet pressure, smooth cooling, adjust the amount of oil, repair, to ensure that the amount of oil appropriate, good lubrication;


2. In Roots Vacuum Pump Unit operation instability, excessive noise, low efficiency and so on, these problems are actually related to our own maintenance, the first work instability, because of voltage, improper assembly and other reasons. Too much noise is caused by smooth installation or insufficient lubrication, so try to lubricate the machine.


3. Sometimes the pipeline conductivity of Roots vacuum pump unit is not enough, the pumping speed of the front-stage pump decreases, the relief valve leaks, resulting in insufficient pumping speed and so on. The absolute solution is to increase the pipeline conductivity, repair or replace the front-stage pump, and clean up the relief valve.


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