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Oil gas discharging processing device for gas station and adsorption method thereof

A processing device and gas station technology, applied in distribution devices, separation methods, special distribution devices, etc., can solve problems such as large economic investment, achieve the effects of reducing environmental pollution, low cost, and eliminating fire hazards

Inactive Publication Date: 2008-08-13
JIANGSU AEROSPACE HEWLETT ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

[0006] The conventional adsorption method needs to install a spray device to a

Method used

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  • Oil gas discharging processing device for gas station and adsorption method thereof

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[0016] Referring to Figure 1, the present invention includes an underground oil tank (10), the top of which is connected to the inlet of an air pump (3) through an air intake pipe (1) and a pressure gauge (2), and the air pump outlet passes through valves (4) and (4'). ) are respectively connected with the lower part of the adsorption tank (5) and (5'), and the upper part of the adsorption tank (5) and (5') are respectively connected with the exhaust pipe (7) through the valves (6) and (6'), The lower parts of the adsorption tanks (5) and (5') are connected to the inlet of the vacuum pump (9) through the valves (8) and (8') respectively, the outlet of the vacuum pump is connected to the inlet of the buffer tank (10), and the outlet of the buffer tank is connected to the underground The upper part of the oil tank (11) is connected.

[0017] The adsorption method of the present invention is implemented as follows: the adsorption process of the device is divided into four parts: ...

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Abstract

The present invention provides an oil gas discharge processing unit for gas station and its adsorption method. The unit includes a subterranean tank, connecting to an air extracting pump by an inlet branch, the air extracting pump and the adsorption tank are connected, the top of the adsorption tank is connected to the air venting tube, the lower is connected with a vacuum air pump, the vacuum air pump is connected with an accumulator tank, the accumulator tank is connected with a subterranean tank. The adsorption method of the device has four parts, oil-gas of the subterranean tank is pumpedinto the adsorption tank by an aspirator pump, the adsorption tank separates the oil gas, the separated oil-gas is pumped in the vacuum pump to desorb concentration, the desorbed oil gas is pumped inthe subterranean tank via the accumulator tank. The desorbed oil-gas having high concentration omits the spraying system in the normal absorption method, exhausted into the subterranean tank via the accumulator tank, forms a gas phase state balancing system, it is not the problem of simple seeking further liquification of the oil-gas, so the device has a small floor space, litter investment, simple structure, the oil-gas emission concentration is below 5g/m3, this greatly precedes the national standards.

Description

technical field [0001] The invention relates to the technical field of environmental protection and energy saving, in particular to an oil gas discharge treatment device for a gas station and an adsorption method thereof. Background technique [0002] Various volatile organic compounds such as gasoline in gas stations often produce serious evaporation and loss, and the evaporated oil and gas are directly discharged into the atmosphere, which not only causes serious loss in quantity and quality, but also causes economic losses and pollutes the atmospheric environment. Leaving a fire hazard, my country has formulated a standard (GB20952-2007) to enforce the installation of oil and gas discharge treatment devices at gas stations, and determined the time limit, as shown in Table 1, which stipulates that the oil and gas discharge concentration of oil and gas discharge treatment devices is ≤ 25g / m 3 . [0003] Table 1 Implementation area and time limit of oil and gas emission cont...

Claims

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Application Information

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IPC IPC(8): B67D5/378B65D90/30B01D53/04B67D7/54
Inventor 张炳权林毅邹松林
Owner JIANGSU AEROSPACE HEWLETT ENVIRONMENTAL PROTECTION TECH
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