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Oil gas recovery method and device of fuel station

A recovery device and gas station technology, which is applied in distribution devices, special distribution devices, liquid distribution, transportation or transfer devices, etc., can solve the problems that have not been published publicly, and reduce equipment investment and operating costs, and occupy an area The effect of less and simple structure

Inactive Publication Date: 2007-07-11
JIANGSU POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] According to the technical characteristics of the present invention, domestic and foreign databases have been retrieved, and it is found that there is a patent "device and method for refueling and reclaiming oil and gas in gas stations" (application number: 00124339. Recycling methods related to the recovery of oil and gas produced during the refueling process, such as "condensing oil and gas recovery device" (patent number: 200320102333.2), "artificial refrigeration oil and gas recovery equipment" (patent number: 01210316.0), but there is no public publication related to this patent. The technical features of the invention are closely related to the oil and gas collection method of "non-tight sealing, self-absorption and return of oil and gas" and the composite process of "condensation" recovery and then only one adsorption cylinder "adsorption" for oil and gas recovery in gas stations. report, and the patents and reported technical indicators of the known gas station oil vapor recovery are also lower than those of the present invention

Method used

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  • Oil gas recovery method and device of fuel station

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Embodiment Construction

[0028]As shown in Figure 1, the embodiment of the present invention comprises: automobile 1, refueling equipment (comprising fuel dispenser 3 and self-priming self-sealing type refueling gun 2), oil storage equipment (comprising underground oil tank 4 and oil measuring hole 6), automobile oil Tank car 5, oil and gas collection pipe 7, ball valve 1 8, ball valve 5 9, oil inlet 10, low temperature condensing unit 11, condensation chamber 12, hydraulic safety device 13 (optional), ball valve 3 14, explosion-proof solenoid valve 15, Discharge port 16, flame arrester 17, explosion-proof solenoid valve 2 18, adsorption cylinder 19, explosion-proof solenoid valve 3 20, ball valve 4 21, ball valve 2 22, check valve 23, demister 24, vacuum equipment 25.

[0029] As shown in Figure 1, the connection description of each device is as follows:

[0030] (1) The oil and gas of the oil-gas collecting pipe 7 comes from two places: (a) the oil product is produced when the automobile is refueled...

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PUM

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Abstract

The invention relates to a method for using low-temperature condensation and adsorption to recycle oil from fuel station, and relative device, wherein said method comprises that: oil collection, oil low-temperature condensation recycle, and oil deep adsorption recycle. The invention has advantages that: the oil collection can collect the oil generated in underground oil pot collection and oil feeding; using fuel feeding gun of fuel feeder to feedback the discharged oil in fuel feeding into the fuel collecting tube; the recycle device first uses low-temperature condensation and later adsorption, to make the tail gas fuel content lower than 120mg / 3, and fuel recycle ration higher than 99. 9%; the invention only uses one absorber and uses itself vacuum desorber, with adjustable desorbing time.

Description

technical field [0001] The invention relates to the technical field of environmental protection and energy saving, in particular to a method and device for recovering oil and gas in a gas station using a composite process of "condensation" and "adsorption". Background technique [0002] Foreign advanced countries have controlled oil and gas pollution from gas stations since the 1980s. Before the efficient, cheap, and miniaturized gas station oil gas recovery equipment has not been developed, there is also a domestic oil gas recovery program that implements the closed oil unloading of automobile tank cars and the return of oil gas to tank cars. As the first-stage oil and gas recovery scheme, it can solve the problem of oil and gas recovery when unloading tankers to a certain extent. But at this time, the tanker needs to be transformed, which increases the cost of tanker transformation, and the tanker full of oil and gas flows in the city, which brings safety and environmenta...

Claims

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Application Information

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IPC IPC(8): B67D5/378B65D90/30B67D7/54
Inventor 黄维秋吕爱华赵书华刘海
Owner JIANGSU POLYTECHNIC UNIVERSITY
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