Rotary vane vacuum pump used in oil transportation _

in the oil storage and other parts of the oil storage and transportation, there are a large number of volatile, cause the waste of waste and pollution of the environment. In these cases, therefore, usually for oil and gas recovery operations used for rotary vane vacuum pump oil and gas recovery. Imported rotary vane vacuum pump manufacturers will discuss some of the application of rotary vane vacuum pumps in oil depot choice Suggestions. At present, the oil and gas recovery technology mainly includes the adsorption, adsorption method, condensation method and membrane separation, adsorption method is by far the most commonly used economic and reasonable method of recycling.

oil and gas recovery vacuum pump how to play a role in the process of oil and gas recovery?

adsorption of oil and gas recovery method mainly through 'adsorption - Vacuum desorption - General process of gasoline recycling '. Rotary vane vacuum pump in oil and gas recovery, the main function is to desorption. Early oil and gas recovery vacuum pump generally adopts the water ring vacuum pump, with compact structure, isothermal compression, the characteristics of simple operation. After continues in all kinds of vacuum pumps, water ring vacuum pump shortcomings are obvious: low efficiency, generally around 30%, good can reach 50%; Vacuum performance is not stable, easily affected by the working fluid temperature; Oil and gas recovery may be mixed with the working fluid, separation is difficult, sewage can't straight line. Especially in the heat of the summer season, on the one hand, the water ring vacuum pump suction ability is highly affected by the working fluid temperature, on the other hand, volatile oil and gas are also more serious, and increase the burden of the vacuum pump. These two factors overlap of water ring vacuum pumps can't implement effective desorption in the oil and gas recovery.

rotary vane vacuum pump optional element ( 1) Determine the ultimate vacuum

in general, the system of the limit of 20% lower than the system of vacuum, vacuum level than the previous 50% lower limit of vacuum.

( 2) Pumping gas type and quantity of pumping

check the pump type and determine the quantity of pumping required for the process. Because if the pumping of the type of gas and liquid in the pump to reaction, the pump system will be contaminated. At the same time, must be considered to determine proper exhaust time and pumping process of gas volume.

( 3) Vacuum volume

check the time needed for the desired vacuum, flow resistance and vacuum pipeline leakage. After considering the desired vacuum, under a certain technological requirements of required to keep the vacuum pumping rate. With large pumping speed of vacuum pump, rotary vane vacuum pump, for example, can meet the requirements.

4) Consider the noise and vibration, it is very important for the practical work.

after the rise of rotary-vane vacuum water pump, water ring vacuum water pump as the defect of oil and gas recovery vacuum pump has been effectively improved. Advantages are obvious: high vacuum, vacuum performance is stable, not easily influenced by ambient temperature. For example, rotary vane vacuum pump can reach the limit of about 1 Pa vacuum. Pumping speed range and stable, can achieve better effect of oil and gas desorption; It is environmental protection, no oil, water and other media to participate in the operation, not directly pollute the environment; Energy conservation, the size of the oil and gas recovery unit, rotary vane vacuum pump is higher than water ring vacuum pump efficiency, even only half of the water ring power.

in addition, it possesses the advantages of simple support and low maintenance. When choosing vacuum pump oil and gas, water ring vacuum pump is gradually replaced by the rotary vane vacuum pump. Rotary vane vacuum pump application in the oil depot also proves its rationality in the selection of oil and gas recovery vacuum pump and ease of use.

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