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Oil-gas recovery processing method and system for gas station

A technology for recycling and gas stations, applied in separation methods, chemical instruments and methods, transportation and packaging, etc., can solve problems such as oil and gas emission pollution, achieve the effects of protecting the environment, reducing installation workload, and saving energy

Inactive Publication Date: 2009-06-03
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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Problems solved by technology

[0009] The purpose of the present invention is to avoid the above-mentioned defects, and to provide a method that can basically solve the problem of oil and gas emission pollution from gasoline, diesel and other oil products sent from the gas station to motor vehicles during the process of sending oil from the underground oil storage tank in the gas station, thereby protecting the atmospheric environment. Efficient, economical, miniaturized, and highly automated method and system for oil and gas recovery and treatment at gas stations

Method used

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  • Oil-gas recovery processing method and system for gas station

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Embodiment Construction

[0028] Figure 1 shows a schematic diagram of the overall structure of the oil and gas recovery treatment system, a method for oil and gas recovery and treatment for gas stations, which mainly includes the following steps:

[0029] 1. The oil and gas produced during the refueling process of the fuel dispenser 11 is collected into the underground oil storage tank 13 through the small vacuum pump 12 built in the fuel dispenser 11, and the oil and gas are collected from the breathing pipe 18 arranged in the underground oil storage tank 13 through the oil and gas connected to it The pipe 20 enters the oil and gas recovery host 16;

[0030] 2. When the inlet pressure of the oil and gas collection pipe 20 (i.e. the oil and gas pressure of the underground oil storage tank 13) is greater than the set value, the system starts the vacuum pump 17 in the oil and gas recovery host 16 to extract the oil and gas in the underground oil storage tank 13;

[0031] 3. The oil and gas introduced by...

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Abstract

An oil-gas recovery processing method for a gas station and a system thereof mainly consist of an oil-gas recovery processing method and a system thereof, wherein, the oil-gas recovery processing method can be summed up as an intermittent operating process which consists of four periodic links and automatically controlled, that is, oil-gas collection, pumping by a vacuum pump, separating a membrane module to recovering and enriching the oil and the gas and discharging the tail gas; and the oil-gas recovery processing system comprises an oil adding machine (11), an underground oil tank (13), a main oil-gas recovering machine (16) and a control box (27); and the core part of the main oil-gas recovering machine (16) takes the membrane module (25) as a main body for separation and recovery. The method and the system can help save energy sources and protect environment, and the system has the advantages of simple and compact structure, less installation workload, and simple and easy use, maintenance and repair.

Description

technical field [0001] The invention relates to an oil gas recovery treatment method and a treatment system for realizing the method, in particular to an oil gas recovery treatment method and system for gas stations. Background technique [0002] With the continuous development of social economy and the increasing number of motor vehicles, the number of gas stations in some large and medium-sized cities or their surrounding areas is also increasing. Gas stations are supply stations that provide power fuel for vehicles, but at the same time, hydrocarbon volatile organic compounds (hydrocarbon VOCs) are formed due to the volatilization of light oil products such as gasoline into the air, which are usually called "oil and gas". As people pay more and more attention to the problem of urban air pollution, the problem of hydrocarbon VOCs pollution control of gas stations in large and medium-sized cities in China has gradually attracted people's attention. According to the practic...

Claims

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Application Information

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IPC IPC(8): B67D5/378B65D90/30B01D53/22B67D7/54
Inventor 陈家庆张宝生曹建树王建宏
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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