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Composite method oil and gas recycling method

A technology for recovery and treatment of oil and gas, applied in separation methods, chemical instruments and methods, vapor condensation, etc., to achieve the effect of extending service life, reducing temperature, and reducing investment costs

Inactive Publication Date: 2016-11-23
SHANXI FENXI ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a composite method for oil and gas recovery and treatment, which solves the technical problem of how to combine separation membrane adsorption and condensate absorption of oil and gas to improve the oil recovery rate

Method used

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Embodiment Construction

[0014] The present invention is described in detail below:

[0015] A composite oil gas recovery treatment method, characterized in that the following steps:

[0016] The first step is to transport the oil and gas to the condensate tank to liquefy the water vapor in the oil and gas;

[0017] In the second step, the oil and gas from which water vapor has been removed are sent to the oil-gas separation membrane separation device to separate oil and gas from air, and the oil and gas adsorbed on the oil-gas separation membrane are transported to the absorption tower through a vacuum pump;

[0018] The third step is to send the oil and gas not adsorbed on the oil-gas separation membrane into the activated carbon adsorption tank to separate the oil and gas from air, and transport the oil and gas adsorbed on the activated carbon to the absorption tower through a vacuum pump;

[0019] The fourth step is to cool down the gasoline used for spraying through the condensing unit to reduce...

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Abstract

The invention discloses a composite method oil and gas recycling method. The problem how to match separation membrane adsorption with condensate absorption for oil gas to improve the oil recycling rate is solved. Oil gas with no steam is fed into an oil gas separation membrane separation device to be subjected to oil gas and air separation, and oil gas adsorbed to the oil gas separation membrane is conveyed into an absorption tower through a vacuum pump; oil gas not adsorbed to the oil gas separation membrane is fed into an activated carbon adsorption tank for separation of oil gas and air, the oil gas adsorbed to the activated carbon is conveyed into an absorption tower through a vacuum pump; gasoline for spraying is subjected to cooling through a condensing unit, the temperature is decreased to about 15 DEG C; the cooled sprayed gasoline is fed into an absorption tower, the gasoline fed into the absorption tower is subjected to spraying, and oil gas is converted into gasoline; oil gas of the unconverted gasoline is discharged into a condensate tank till the oil gas concentration meets the evacuation requirement. The oil gas absorption rate is improved, and potential safety hazards of static electricity likely to be generated by membrane separation are eliminated.

Description

technical field [0001] The invention relates to an oil and gas recovery and treatment method that combines multiple separation processes of oil and gas separation membrane adsorption and condensate absorption of oil and gas. Background technique [0002] When the activated carbon adsorption tank is used to separate oil and gas, the activated carbon in the tank realizes oil and gas separation by adsorbing the oil and gas in the air that is introduced. Before carrying out the adsorption work, at first the grille will be packed into the adsorption tank. Because the diameter of the manhole in the tank is limited, it is not easy to operate the whole grid into the adsorption tank. After the grid is installed, activated carbon should be loaded from the upper charging port in the tank. The grid in the prior art is generally planar, and the activated carbon in the tank will naturally pile up into a conical shape during the loading process, so that The activated carbon in the tank is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D5/00B01D53/22B01D53/02B01D53/14
Inventor 周锋张怀智张静梁高峰张斌善陈冬冬张洪连红萍李红芳
Owner SHANXI FENXI ELECTROMECHANICAL
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