1. What is the function of the vacuum pump? What kinds of vacuum pumps are generally used in refineries? The vacuum pump is made to create a vacuum in the gear or container that operates below ambient atmospheric pressure or high vacuum. Vacuum pumps generally used in refineries include steam aircraft vacuum pumps, water ring vacuum pumps and reciprocating vacuum pumps.
2. What's the working theory of the steam aircraft vacuum pump? It contains a nozzle, a blending chamber, an growth chamber, and a pressure outlet. In operation, drinking water vapor can be sprayed from the nozzle in to the blending chamber at a high speed (1200-1500 m/s). At this time, a specific negative pressure is produced at the nozzle, so that the gear box for greenhouse pumped gas can be flushed into the blending chamber from the gas inlet and mixed with drinking water vapor. And get some energy from the water vapor. When the combined gas stream enters the diffuser chamber, the velocity gradually decreases along the axis, and the pressure gradually increases along the axis circulation until it is discharged above the atmospheric pressure. Because of the continuous work, the gas in the equipment is continually extracted, thus causing a vacuum (negative pressure) state within the equipment.
3. What are the characteristics of the steam plane vacuum pump? The steam jet vacuum pump entrains the pumped gas at a high speed of drinking water vapor, so it gets the characteristics of huge pumping capacity, high vacuum, simple produce, convenient set up and maintenance, etc. Currently, the vacuum distillation device of the refinery The majority of the vacuum pumps used are steam aircraft vacuum pumps.
4. What is the construction of the water ring vacuum pump? What's the working basic principle of the water ring vacuum pump? The water ring vacuum pump comprises a pump casing, an impeller, a water ring, a suction chamber, a discharge chamber, and a vent hole.