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Novel efficient absorption type oil and gas recovery system for gas station

An oil and gas recovery system and adsorption technology, which is applied in special distribution devices, packaging, distribution devices, etc., can solve the problems of heavy equipment and large economic investment, and achieve the effects of convenient transportation and installation, high degree of automation, and elimination of oil and gas pollution

Inactive Publication Date: 2015-11-25
CHANGZHOU UNIV
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Problems solved by technology

[0004] At present, the conventional adsorption method is generally equipped with a spray device to absorb the desorbed oil and gas, but the equipment is heavy and the economic investment is large

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  • Novel efficient absorption type oil and gas recovery system for gas station

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Embodiment Construction

[0028] The following is attached figure 1 The embodiments of the present invention are further described, but the present invention is not limited by the embodiments:

[0029] (1) A new type of high-efficiency adsorption gas station oil and gas recovery system includes: underground oil tank 4, vacuum pump 12, adsorption column 11, adsorption column 11', fan 8, special absorption head 16, hydrocarbon concentration detector 15, fire retardant breathing Valves 6, 14, hydraulic safety device 20, valves and other pipe fittings, mainly include oil gas collection section, oil gas deep adsorption recovery section and desorption section.

[0030] ① The oil and gas in the oil and gas collection section of the new high-efficiency adsorption gas station oil and gas recovery system are introduced into the adsorption column 11 (or 11') through the oil and gas recovery gas collection pipe 18 and fan 8 to be deeply absorbed and recovered, and the exhaust gas after adsorption is discharged in...

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Abstract

The invention provides a novel efficient absorption type oil and gas recovery device for a gas station. The device mainly comprises an oil and gas collection section, an oil and gas deep absorption section and a vacuum desorption section, and has the advantages that (1) the oil and gas collection section can be used for collecting oil and gas which are produced during oil collection of an underground oil tank and automobile refueling; (2) two absorption columns are adopted by the recovery device, so that the work continuity can be ensured after switching; the absorption columns are filled with a home-made adsorbent special for oil and gas recovery of the gas station, so that tail gas of the system can reach the standard to be discharged, and the oil and gas recovery rate is greater than 99%; and (3) a spray and absorption link of the traditional recovery technology is abandoned for high-concentration oil and gas which are produced by desorption of a desorption section vacuum pump, and the high-concentration oil and gas directly return the underground oil tank and are recycled by a specially-made absorption head, so that the recovery cost is low and the effect is obvious.

Description

technical field [0001] The invention belongs to the technical field of environmental protection and energy saving, and relates to a third-stage oil and gas recovery system of a gas station, in particular to a novel high-efficiency adsorption type oil and gas recovery system for a gas station. Background technique [0002] At present, gas station oil and gas emission control technologies can basically be divided into three types, namely, one-stage oil and gas recovery technology, two-stage oil and gas recovery technology and three-stage oil and gas recovery technology. The object of the first-stage oil and gas recovery is the oil and gas generated during the refueling process of the tanker to the underground oil tank. The second-stage oil and gas recovery object is the oil and gas discharged from the tanker to the automobile fuel tank. The third-stage oil and gas recovery is to prevent the top of the underground oil tank from The oil and gas are discharged to the atmosphere t...

Claims

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Application Information

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IPC IPC(8): B67D7/54
Inventor 黄维秋王兆利徐先阳张齐正王翊红李丽
Owner CHANGZHOU UNIV
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