Vacuum pump in oil transportation

As a strategic resource, oil has a great impact on China’s economic development and social life. With the continuous improvement of the level of modernization, China’s demand for oil is growing. The safety of oil transportation has also become a concern of all walks of life. There are a lot of volatilization in oil storage and transportation in other places, causing waste and environmental pollution.

Therefore, in these cases, vacuum pumps for oil and gas recovery operations are usually provided. 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.

Oil resource is the most important one-off energy in the world. As a non renewable leading resource and strategic material, it plays an extremely important role in the world economy and becomes the focus of international competition and control. The fluctuation of its price can affect the world political and Economic Bureau, especially its impact on the world economy, which is increasingly significant. In recent years, China’s economy is growing rapidly and its dependence on oil is growing. Oil and its products are also important raw materials for China’s modern industry. Their supply and price have different degrees of impact on the production and operation of many industries and enterprises. These impacts are directly related to the development of China’s national economy and the competitiveness of China in the world economy.

vacuum-pump-in-oil-transportation

How to choose vacuum pump

1. Determine limit vacuum

Generally speaking, the limiting vacuum of the system is 20% lower than that of the system and 50% lower than that of the previous stage.

2. Type and volume of gas pumped

Check the type of pumping and determine the amount of pumping required for the process. Because if the type of gas pumped reacts with the liquid in the pump, the pump system will be contaminated. At the same time, it must be considered to determine the appropriate exhaust time and the amount of gas produced during pumping.

3、 Vacuum volume

Check the time required to reach the required vacuum, flow resistance and leakage of the vacuum pipe. Consider the pumping rate required to maintain vacuum under certain process requirements after reaching the required vacuum. A vacuum pump with a large pumping rate, such as a rotary vane vacuum pump, can meet the requirements.

How does the oil and gas recovery vacuum pump play a role in the oil and gas recovery process? What are the applications of vacuum pump in petroleum transportation?

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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