CN213590085U - Oil gas emission efficient treatment device for gas station - Google Patents
Oil gas emission efficient treatment device for gas station Download PDFInfo
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- CN213590085U CN213590085U CN202021601092.6U CN202021601092U CN213590085U CN 213590085 U CN213590085 U CN 213590085U CN 202021601092 U CN202021601092 U CN 202021601092U CN 213590085 U CN213590085 U CN 213590085U
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Abstract
The utility model discloses a high-efficiency oil gas emission treatment device of a gas station, which comprises an absorption tank, a suction pump, a first adsorption tank, a second adsorption tank and corresponding valve pipelines, wherein oil gas interfaces at the bottom of the first adsorption tank and the bottom of the second adsorption tank are respectively connected with an evaporated oil gas input pipe through a first electromagnetic valve and a second electromagnetic valve; the top air interfaces of the first adsorption tank and the second adsorption tank are respectively connected with a clean air output pipe through a third electromagnetic valve and a fourth electromagnetic valve; the bottom oil gas interface of first adsorption tank and second adsorption tank still links to each other with the input of suction pump through fifth solenoid valve and sixth solenoid valve respectively, and the output of suction pump links to each other with the one end of analytic gas conveyer pipe, and the other end of analytic gas conveyer pipe links to each other with the import of adsorption tanks, and the export of adsorption tanks links to each other with the oil gas recovery output tube. Its simple structure, convenient operation can swiftly handle the oil gas in the filling station oil tank in real time, and the separation and the recovery evaporation oil gas effectively reduce the loss, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to an oil gas recovery technique specifically indicates a filling station oil gas emission high efficiency processing device.
Background
With the continuous improvement of the living standard of people, the application of various types of motor vehicles is more and more, particularly, small cars enter thousands of households, the demands on the quantity and quality of gas stations on the market are increased, the gas stations become one of the important basic supporting facilities for national municipal construction, and the gas stations are indispensable industries in national economic construction and people's life. However, most of the existing gas stations are affected by factors such as ambient temperature, oil pressure, storage containers, operation procedures and the like during the loading, unloading and selling of oil, and oil gas is very easy to volatilize into the atmospheric space of the gas station, which not only causes oil evaporation loss for a long time and leads to waste of limited resources, but also brings environmental pollution harm and potential safety hazard of the gas station. Along with the continuous increase of oil consumption of a gas station, the evaporation loss of the gas station is increased year by year, the influence on the health of people is more and more serious, and the gas station becomes a problem to be solved urgently in real life.
In order to solve the above problems, engineers have tried to design a simple, feasible, effective and easy-to-popularize evaporative oil gas recovery device for a gas station, but no satisfactory progress has been achieved at present.
Disclosure of Invention
The utility model aims at providing a filling station oil gas emission high efficiency processing device, its simple structure, convenient operation, low cost can swiftly handle the oil gas in the filling station oil tank in real time, and organic gas in the oil gas is retrieved in the separation, realizes energy-concerving and environment-protective, improves economic benefits.
In order to achieve the above object, the utility model discloses a gas station oil gas emission high efficiency processing device for the oil gas to the natural evaporation production retrieves, and the device mainly forms by the combination of adsorption tank, suction pump, first adsorption tank and second adsorption tank, and its special character lies in: the bottom oil gas interfaces of the first adsorption tank and the second adsorption tank are respectively connected with an evaporated oil gas input pipe through a first electromagnetic valve and a second electromagnetic valve; the top air interfaces of the first adsorption tank and the second adsorption tank are respectively connected with a clean air output pipe through a third electromagnetic valve and a fourth electromagnetic valve; the bottom oil gas interface of first adsorption tank and second adsorption tank still links to each other with the input of suction pump through fifth solenoid valve and sixth solenoid valve respectively, the output of suction pump links to each other with the one end of analytic gas conveyer pipe, the other end of analytic gas conveyer pipe links to each other with the import of adsorption tank, the export of adsorption tank links to each other with the oil gas recovery output tube.
The working principle of the utility model is as follows: connecting an oil gas conveying pipe of an oil tank of a gas station with an evaporation oil gas input pipe of the device, when the pressure in the oil tank rises to generate oil gas emission, controlling the oil gas through the evaporation oil gas input pipe and a corresponding electromagnetic valve, entering from an oil gas interface at the bottom of a first adsorption tank or a second adsorption tank, adsorbing organic gas in the oil gas through a high-efficiency adsorbent arranged in the adsorption tanks, and allowing clean air without the organic gas to enter a clean air output pipe through the control of the corresponding electromagnetic valve and finally be emitted to the atmosphere; after the adsorbent in first adsorption tank or the second adsorption tank reaches the saturated condition, open the solenoid valve that corresponds, take out oil gas from the bottom oil gas interface of first adsorption tank or second adsorption tank through the suction pump, parse the adsorbent, in the organic gas of parsing gets into the adsorption tank via the analytic gas delivery pipe, absorb it through the liquid fuel oil in the adsorption tank, return to in the gas station oil tank through the oil gas recovery output tube at last. Wherein, first adsorption tanks and second adsorption tanks work in turn to ensure that vapor recovery system lasts.
Preferably, a filter is arranged between the fifth electromagnetic valve and the sixth electromagnetic valve and the input end of the suction pump. Therefore, impurities in the oil gas can be removed, and the cleanliness of the recovered oil gas is ensured.
Further, the desorption gas delivery pipe is inserted into the bottom of the inner cavity of the absorption tank through the inlet of the absorption tank. Therefore, the oil gas can be fully contacted with the liquid fuel oil, and the oil gas is ensured to be completely recovered.
Furthermore, the oil gas recovery output pipe is inserted into the bottom of the inner cavity of the absorption tank through the outlet of the absorption tank. Therefore, the oil gas which is not converted can be effectively prevented from entering the oil gas recovery output pipe, and the quality of the liquid fuel oil which returns to the oil tank of the gas station is ensured.
Still further, the suction pump is a vacuum suction pump. The vacuum pump has compact structure, uniform air suction and stable operation, and is more favorable for improving the suction efficiency.
The utility model has the advantages that: the processing apparatus who designs is through controlling first adsorption tank and the work in turn of second adsorption tank, can utilize high-efficient adsorbent to adsorb the oil gas that the oil tank evaporation of filling station comes out continuously, the rethread suction pump is carried to the adsorption tank of sharing behind the desorption of adsorbed oil gas in, organic gas in the oil gas is absorbed through liquid fuel oil, thereby can enough effectively retrieve the evaporation oil gas, reduce oil evaporation loss, reduce the filling station running cost, again can effectively isolate clean air, alleviate environmental pollution, reduce the potential safety hazard. Meanwhile, the device has the advantages of simple structure, convenience in operation and high oil gas recovery rate, is particularly suitable for recovering gasoline evaporated gas or tail gas, is also suitable for recovering diesel evaporated gas or tail gas, and has good economical efficiency and operability.
Drawings
FIG. 1 is a schematic structural diagram of an efficient oil and gas emission treatment device of a gas station.
The components in the figures are numbered as follows: an absorption tank 1; a suction pump 2; a filter 3; a fifth electromagnetic valve 4; a first solenoid valve 5; a sixth electromagnetic valve 6; a second electromagnetic valve 7; a second adsorption tank 8; a fourth electromagnetic valve 9; a third electromagnetic valve 10; a first adsorption tank 11; an evaporated oil gas input pipe 12; a clean air output duct 13; a desorption gas transport pipe 14; an oil gas recovery output pipe 15.
Detailed Description
The present invention is described in further detail below with reference to the following figures and specific examples, which should not be construed as limiting the invention.
As shown in fig. 1, the efficient oil and gas emission treatment device for a gas station described in this embodiment is mainly composed of an absorption tank 1, a suction pump 2, a filter 3, a first adsorption tank 11 and a second adsorption tank 8 which are combined through a pipeline and a valve. Specifically, bottom oil gas interfaces of the first adsorption tank 11 and the second adsorption tank 8 are respectively connected with an evaporation oil gas input pipe 12 through a first electromagnetic valve 5 and a second electromagnetic valve 7. The top air ports of the first adsorption tank 11 and the second adsorption tank 8 are respectively connected with a clean air output pipe 13 through a third electromagnetic valve 10 and a fourth electromagnetic valve 9. The bottom oil gas interface of first adsorption tank 11 and second adsorption tank 8 still links to each other with filter 3's import through fifth solenoid valve 4 and sixth solenoid valve 6 respectively, filter 3's export links to each other with suction pump 2's input, suction pump 2 chooses the vacuum suction pump for use, suction pump 2's output links to each other with analytic gas delivery pipe 14's one end, analytic gas delivery pipe 14's the other end links to each other with the import of adsorption tank 1, the export of adsorption tank 1 links to each other with oil gas recovery output tube 15. More specifically, the aforementioned desorption gas delivery pipe 14 is inserted through the inlet of the canister 1 up to the bottom of its inner cavity. The oil gas recovery output pipe 15 is inserted into the bottom of the inner cavity of the absorption tank 1 through the outlet of the absorption tank. The other end of the oil gas recovery output pipe 15 can be connected with a low-grade gasoline tank of a gasoline station.
The utility model discloses during the operation, with the oil gas conveyer pipe and the 12 butt joints of evaporation oil gas input tube of filling station's oil tank, when the oil tank internal pressure risees and produces evaporation oil gas emission, according to the control procedure of settlement, open first solenoid valve 5, third solenoid valve 10 and sixth solenoid valve 6, close second solenoid valve 7, fourth solenoid valve 9 and fifth solenoid valve 4, oil gas passes through evaporation oil gas input tube 12 and first solenoid valve 5 gets into first adsorption tank 11, the high-efficient adsorbent of setting in first adsorption tank 11 adsorbs oil gas, obtain the clean air that reaches emission standard behind the desorption oil gas, and discharge to the atmosphere through third solenoid valve 10 and clean air output tube 13. Meanwhile, the suction pump 2 is started to analyze the adsorbent in the second adsorption tank 8, so that the oil gas adsorbed in the second adsorption tank 8 is desorbed under a vacuum negative pressure condition, the analyzed oil gas sequentially passes through the sixth electromagnetic valve 6, the filter 3, the suction pump 2 and the analysis gas conveying pipe 14 to enter the bottom of the inner cavity of the adsorption tank 1, and after being washed by the liquid gasoline in the adsorption tank 1, the recovered liquid oil gas is returned from the oil gas recovery output pipe 15 to be conveyed to the low-grade oil tank of the gas station.
After the first adsorption tank 11 is subjected to adsorption operation for a certain period of time, the adsorbent therein reaches a saturated state. According to the control program of setting for, close first solenoid valve 5, third solenoid valve 10 and sixth solenoid valve 6, open second solenoid valve 7, fourth solenoid valve 9 and fifth solenoid valve 4, second adsorption tank 8 becomes adsorption state this moment, the oil gas gets into second adsorption tank 8 through evaporating oil gas input tube 12 and second solenoid valve 7, the high-efficient adsorbent that sets up in second adsorption tank 8 adsorbs the oil gas, obtain the clean air that reaches emission standard behind the desorption oil gas, and discharge to the atmosphere through fourth solenoid valve 9 and clean air output tube 13. And the first adsorption tank 11 is changed into an analysis state, the oil gas analyzed under the vacuum negative pressure condition sequentially passes through the fifth electromagnetic valve 4, the filter 3, the suction pump 2 and the analysis gas conveying pipe 14 to enter the bottom of the inner cavity of the absorption tank 1, and after being washed by the liquid gasoline in the absorption tank 1, the recovered liquid oil gas is returned from the oil gas recovery output pipe 15 to be conveyed to the oil tank of the gas station.
The first adsorption tank 11 and the second adsorption tank 8 alternately adsorb and analyze, so that oil gas discharged from an oil tank of a gas station is continuously and efficiently treated, and oil gas recovery and tail gas emission reach the standard. According to the monitoring data of the concentration of the non-methane total hydrocarbons in the gas at the outlet of the clean air output pipe 13, the adsorption and desorption time of the first adsorption tank 11 and the second adsorption tank 8 can be properly adjusted, so that the operation effect of the device is improved, and the exhaust tail gas is ensured to reach the standard.
To sum up, with the help of the above technical scheme of the utility model, not only can improve evaporation oil gas or discharge tail gas's treatment effeciency through adsorbing with absorptive combination to oil gas, separate out cleaner air, can ensure moreover that the environment of filling station accords with the environmental protection requirement, stops the potential safety hazard. Meanwhile, the device has the advantages of simple structure, convenience in use, low cost and specific and wide application prospect.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a filling station oil gas emission high efficiency processing device for retrieve the oil gas that the nature evaporation produced, the device mainly forms its characterized in that by the combination of adsorption tanks (1), suction pump (2), first adsorption tanks (11) and second adsorption tanks (8): bottom oil gas interfaces of the first adsorption tank (11) and the second adsorption tank (8) are respectively connected with an evaporated oil gas input pipe (12) through a first electromagnetic valve (5) and a second electromagnetic valve (7); the top air interfaces of the first adsorption tank (11) and the second adsorption tank (8) are respectively connected with a clean air output pipe (13) through a third electromagnetic valve (10) and a fourth electromagnetic valve (9); the bottom oil gas interface of first adsorption tank (11) and second adsorption tank (8) still links to each other with the input of suction pump (2) through fifth solenoid valve (4) and sixth solenoid valve (6) respectively, the output of suction pump (2) links to each other with the one end of analysis gas delivery pipe (14), the other end of analysis gas delivery pipe (14) links to each other with the import of absorption tank (1), the export of absorption tank (1) links to each other with oil gas recovery output tube (15).
2. A gasoline station oil and gas emission efficient processing device according to claim 1, characterized in that: and a filter (3) is arranged between the fifth electromagnetic valve (4) and the sixth electromagnetic valve (6) and the input end of the suction pump (2).
3. A gasoline station oil and gas emission efficient processing device according to claim 1 or 2, characterized in that: the desorption gas conveying pipe (14) is inserted into the bottom of the inner cavity of the absorption tank (1) through the inlet of the absorption tank.
4. A gasoline station oil and gas emission efficient processing device according to claim 1 or 2, characterized in that: the oil gas recovery output pipe (15) is inserted into the bottom of the inner cavity of the absorption tank (1) through the outlet of the absorption tank.
5. A gasoline station oil and gas emission efficient processing device according to claim 1 or 2, characterized in that: the suction pump (2) is a vacuum suction pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021601092.6U CN213590085U (en) | 2020-08-04 | 2020-08-04 | Oil gas emission efficient treatment device for gas station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021601092.6U CN213590085U (en) | 2020-08-04 | 2020-08-04 | Oil gas emission efficient treatment device for gas station |
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| CN213590085U true CN213590085U (en) | 2021-07-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532000A (en) * | 2022-11-23 | 2022-12-30 | 承德石油高等专科学校 | Oil gas recovery device for chemical product intermediate tank |
| TWI807404B (en) * | 2021-08-31 | 2023-07-01 | 華懋科技股份有限公司 | Hollow fiber tubular membrane oil and gas treatment system with scrubbing absorption tower and its method |
-
2020
- 2020-08-04 CN CN202021601092.6U patent/CN213590085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI807404B (en) * | 2021-08-31 | 2023-07-01 | 華懋科技股份有限公司 | Hollow fiber tubular membrane oil and gas treatment system with scrubbing absorption tower and its method |
| CN115532000A (en) * | 2022-11-23 | 2022-12-30 | 承德石油高等专科学校 | Oil gas recovery device for chemical product intermediate tank |
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