Use of roots pump

In the process of using roots pump, some equipment can be added, such as refrigeration filtration device, so that roots pump can be used normally, which can not only improve the vacuum degree of the unit, but also prolong the service life of the unit.

(1) In order to make the volume of the unit as small as possible, a condenser can be installed before the gas enters the unit to condense the steam to be pumped before entering the pump unit, so that the remaining is non condensable gas and trace residual steam. The volume of Roots vacuum pump gas decreases under the same pressure after cooling. Therefore, the air extraction required after condensation is reduced, and the pump can be selected smaller accordingly. After the steam is cooled, only non condensable gas is left.

When the pressure is very low, the specific volume of steam is quite large. After these condensable steam condense, the air extraction required by the pump is obviously greatly reduced. In addition, regardless of whether the steam is condensed or not, at the same pressure, as long as the gas temperature decreases, its volume flow t will decrease. Thus saving resources.

(2) Although the primary condenser is installed in front of the unit, which can prevent most of the organic matter from entering the unit, according to the maintenance of roots pump damaged in the factory, a considerable part of the pump damage is due to the dirty rotor. After long-term use, the organic matter polymerizes and sticks to the rotor, resulting in stuck between the rotors and unable to start or large resistance, resulting in obvious heating of the pump body, Such long-term operation damages the bearing and sealing elements. In the maintenance process, the rotor must be cleaned in all aspects before it can continue to be used. Therefore, a two-stage low-temperature condenser is installed behind the primary condenser to remove the organic steam that cannot be condensed by the primary condenser, so that the organic matter cannot enter the pump cavity and avoid the adhesion of organic matter on the rotor and the pump cavity. After the factory installed the secondary low-temperature condenser, the blocking of roots oil pump was significantly reduced, indicating that it is necessary to install the low-temperature condenser before the gas enters the unit