There are a lot of volatilization in oil storage and transportation in other places, causing waste and environmental pollution. Therefore, in these cases, rotary vane vacuum pumps for oil and gas recovery are usually provided for oil and gas recovery operations. At present, the oil and gas recovery process mainly includes adsorption, adsorption, shrinkage and membrane separation. Adsorption is the most commonly used economic and reasonable recovery method.
How does the oil and gas recovery vacuum pump play a role in the oil and gas recovery process?
The adsorption method of oil and gas recovery mainly goes through the general process of "adsorption vacuum desorption gasoline recovery". The main function of rotary vane vacuum pump in oil and gas recovery is desorption. The early oil and gas recovery vacuum pump generally used water ring vacuum pump, which has the characteristics of compact structure, isothermal compression and simple operation.
After various vacuum pumps continue to appear, the disadvantages of water ring vacuum pump are obvious: low efficiency, generally around 30%, good can reach 50%; unstable vacuum performance, easily affected by working fluid temperature; oil and gas recovery may be mixed with working fluid, difficult to separate, and sewage can not be discharged directly. Especially in the high temperature season in summer, on the one hand, the suction capacity of the water ring vacuum pump is greatly affected by the temperature rise of the working fluid, on the other hand, the oil and gas volatilization is more serious, and the burden of the vacuum pump is increased. The overlapping of these two factors leads to the failure of water ring vacuum pump to achieve effective desorption in oil and gas recovery.
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