Continuous circulating type oil-gas adsorption recovery method

An adsorption recovery and circulation technology, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, can solve the problems that oil and gas recovery cannot achieve continuous circulation, and achieve the elimination of secondary pollution, low equipment operating temperature, and maintenance. The effect of low cost

Inactive Publication Date: 2008-09-10
BAY ENVIRONMENTAL TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In view of this, in order to solve the problem that oil and gas recovery cannot achieve continuous circulation, and at the same time to further improve recovery efficiency, reduce energy consumption and make operation more convenient

Method used

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  • Continuous circulating type oil-gas adsorption recovery method

Examples

Experimental program
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Effect test

Embodiment 1

[0040] The oil gas produced in the oil depot during the oil delivery process passes through the gas collecting pipe and the gas-liquid separation tank, and then enters the adsorption tower 32 through the oil gas inlet pipe 1. The adsorption tower 32 is composed of the adsorption tank A 10 and the adsorption tank B 11. At this time, the electric valve I 4 is opened , the electric valve II 5 is closed, the oil gas enters the activated carbon bed in the adsorption tank A 10 for adsorption and recovery, and the purified gas is discharged into the atmosphere from the electric valve III6. At this time, both the electric valve IV7 and the electric valve V8 are closed, and the adsorption tank B11 has not been activated yet.

[0041] When the adsorption tank A 10 is saturated, the electric valve IV7 is opened, the electric valve I 4 is closed, the oil gas enters the activated carbon bed in the adsorption tank B 11 for adsorption and recovery, and the purified gas is discharged into the ...

Embodiment 2

[0050] It is basically the same as in Example 1, except that the adsorption tower is composed of three adsorption tanks, and the three adsorption tanks sequentially perform adsorption recovery of oil gas and desorption regeneration, so that the oil gas can be continuously circulated for adsorption and recovery.

Embodiment 3

[0052] It is basically the same as in Example 1, except that the adsorption tower is composed of five adsorption tanks, and the five adsorption tanks sequentially perform adsorption recovery of oil gas and desorption regeneration, so that the oil gas can be continuously circulated for adsorption and recovery.

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Abstract

The invention discloses a sustained circulating type method for adsorbing and recycling oil gas , which consists of the following steps: (1) adsorbing and recycling the oil gas by means of an active carbon bed in an adsorption tower; (2) the desorption and regeneration of the adsorption tower saturated is carried out; (3) the oil gas desorbed with high concentration enters a recovery tower to be absorbed by the body of liquid meager gasoline; (4) the tail gas in the recovery tower reenters the adsorption tower to be cycled in a sustaining way, wherein, at least two adsorption tanks in the adsorption tower alternately carry out adsorption and desorption generation, thus leading the oil gas adsorption to be carried out in a sustained circulating way, at the same time, the remote monitoring can be realized by using an automatic control program. The sustained circulating type method for adsorbing and recycling oil gas of the invention is characterized by high efficiency, low energy consumption, convenient operation and safe and reliable running.

Description

technical field [0001] The invention relates to the technical field of environmental protection and energy saving, in particular to a continuous circulation oil gas adsorption recovery method. Background technique [0002] At present, the separation and recovery methods of oil gas and air include absorption method, adsorption method, condensation method and membrane separation method, and some of them belong to the comprehensive utilization of several methods. The adsorption of oil and gas by adsorption is a physical process. It is a mature oil and gas recovery technology with a high degree of adsorption saturation and easy use. It currently accounts for 80% of the US market. [0003] Chinese patent ZL200510123016.2 discloses a method of absorbing and recovering oil and gas. The whole process of oil and gas recovery is divided into three parts: absorption tower absorption and separation-desorption tank desorption concentration-recovery tower absorption and recovery, specific...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/04
Inventor 魏巍
Owner BAY ENVIRONMENTAL TECH BEIJING
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