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Evaporable petroleum gas adsorption condensation and comprehensive recovery device

A recovery device and petroleum gas technology, applied in the recovery of liquid hydrocarbon mixtures, the petroleum industry, etc., can solve the problems of substandard tail gas emissions, low recovery rate, high maintenance costs, etc., to overcome substandard emissions, avoid secondary pollution, The effect of low maintenance cost

Inactive Publication Date: 2013-07-24
XIANGYANG HANGLI ELECTROMECHANICAL TECH DEV
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Problems solved by technology

[0002] The single recovery methods usually used in the recovery of petroleum gas include adsorption, condensation and membrane separation. The recovery rate of this single recovery method of petroleum gas is not high, and the tail gas emission after recovery is not up to the standard
Chinese patent CN101161590 discloses a combined condensation and membrane separation oil and gas recovery process technology. The biggest defect of the membrane separation method is that the conventional maintenance cost is high and it is easy to cause secondary pollution

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  • Evaporable petroleum gas adsorption condensation and comprehensive recovery device

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Embodiment Construction

[0010] The embodiments provided below in conjunction with the accompanying drawings are divided into three parts to further illustrate the present invention.

[0011] First, the components of the present invention.

[0012] The adsorption system (1) includes: precooler (4), primary separator (5), secondary separator (6), liquid-gas jet pump (7), absorber (8), lean oil pump (9), Recovery oil pump (10), adsorption end water cooler (11), air ejector (12), muffler (13).

[0013] The condensing system (2) includes: air compressor (14), air dryer (15), filter (16), turbo expander (17), condensing end water cooler (18), cooler (19), main exchanger heater (20).

[0014] The system accessories (3) include: a valve (21), and a pipeline (22).

[0015] Second, the petroleum gas recovery principle and effect of the present invention.

[0016] The adsorption system (1) is a jet-type adsorption system (1), which uses lean oil of light diesel oil as an adsorbent, and the lean oil graduall...

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Abstract

An evaporable petroleum gas adsorption condensation and comprehensive recovery device for loss control and pollution reduction during the storage and transportation of gasoline and light-weight oil includes an adsorption system and a condensation system, wherein a secondary separator, a liquid gas jet pump and an absorber are arranged in the adsorption system; an air compressor, a turbine expansion engine and a heat exchanger are arranged in the condensation system; the liquid gas jet pump is connected with the absorber; the absorber is connected with a main heat exchanger; the main heat exchanger is connected with the absorber through the secondary separator; the air compressor and the main heat exchanger are arranged at the front end and the rear end of the turbine expansion engine respectively; the air compressor produces delivery pressure; the turbine expansion engine refrigerates air; and the air serving as a cold source refrigerates the petroleum gas. According to the invention, lean oil inside the absorber is used for absorbing hydrocarbon materials of the petroleum gas, and the main heat exchanger and the secondary separator are used for processing the petroleum gas, so that the recovery rate is improved, and discharge meeting the standard is realized; and the evaporable petroleum gas adsorption condensation and comprehensive recovery device is widely applied to petroleum gas recovery during the transshipment of gasoline and light-weight oil, and has the advantages of higher recovery rate, tail gas discharge meeting the standard, simple and reasonable structure as well as safe and reliable operation.

Description

technical field [0001] The invention relates to a volatile oil gas recovery device in the storage and transportation process of gasoline and light oil, in particular to a comprehensive recovery device for volatile oil gas adsorption and condensation. Background technique [0002] The single recovery methods usually adopted for the recovery of petroleum gas include adsorption, condensation and membrane separation. The recovery rate of this single method of recovery of petroleum gas is not high, and the tail gas emission after recovery is not up to the standard. Chinese patent CN101161590 discloses a combined condensation and membrane separation oil and gas recovery process technology. The biggest defect of the membrane separation method is that the conventional maintenance cost is high and it is easy to cause secondary pollution. Contents of the invention [0003] The purpose of the present invention is to provide a comprehensive recovery device for volatile petroleum gas a...

Claims

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Application Information

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IPC IPC(8): C10G5/06C10G5/04
Inventor 宋万喜曹礼明马翼飞卢平安任美英吉曾玉
Owner XIANGYANG HANGLI ELECTROMECHANICAL TECH DEV
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