CN212893896U - Absorption formula high-efficient recovery unit of gas station cubic oil gas - Google Patents
Absorption formula high-efficient recovery unit of gas station cubic oil gas Download PDFInfo
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- CN212893896U CN212893896U CN202021966612.3U CN202021966612U CN212893896U CN 212893896 U CN212893896 U CN 212893896U CN 202021966612 U CN202021966612 U CN 202021966612U CN 212893896 U CN212893896 U CN 212893896U
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- gas
- storage tank
- temporary storage
- adsorption
- oil
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Abstract
The utility model provides an adsorption type tertiary oil gas high-efficiency recovery device for a gas station, which comprises two adsorption tanks, a vacuum pump, a temporary storage tank, a buried oil tank and an oil-submersible pump for the gas station, which are arranged in parallel; wherein, the bottom of two adsorption tanks is connected with two branch pipeline of admitting air respectively, and the bottom of two adsorption tanks is connected with the vacuum pump through the pipeline respectively, and the vacuum pump passes through the outlet pipeline and links to each other with the top of temporary storage tank to the outlet pipeline of vacuum pump extends to the inside tank bottoms of temporary storage tank, and the top of temporary storage tank passes through the pipeline and links to each other with the pipeline of admitting air. The utility model discloses increase and absorb the link, improve the treatment effeciency. Utilize interim storage tank to accomplish and absorb the link, need not to reform transform the buried oil tank of filling station, reduce the safety risk.
Description
Technical Field
The utility model relates to a filling station's cubic vapor recovery system technical field especially relates to an adsorb high-efficient recovery unit of formula filling station's cubic vapor recovery system.
Background
The gasoline inevitably has the problem of a large amount of oil gas volatilization in the storage and transportation process, and the volatile VOCs not only brings serious environmental pollution and resource waste, but also influences human health and causes potential safety hazard. Therefore, the recovery of the VOCs in the oil and gas storage and transportation process is more and more emphasized.
The tertiary oil gas recovery device of the gas station is used for treating oil gas discharged by overpressure of a buried oil tank of the gas station, and the current mainstream methods are an adsorption method and a condensation method. In practical application, the adsorption method has the problem of low treatment efficiency due to lack of an absorption link. The condensation method is only suitable for secondary refrigeration due to the problems of cost and power consumption, the refrigeration temperature is higher, and the treatment efficiency is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the tertiary oil gas treatment efficiency of the current gas station is low, an absorption link is added on the basis of oil gas recovery by an adsorption method, and the treatment efficiency is greatly improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the efficient recovery device for the tertiary oil gas of the adsorption type gas station is characterized by comprising two adsorption tanks, a vacuum pump and a temporary storage tank which are arranged in parallel; the bottom of the two adsorption tanks is respectively connected with two branch pipelines of an air inlet pipeline, the bottom of the two adsorption tanks is respectively connected with the vacuum pump through a pipeline, the vacuum pump is connected with the top of the temporary storage tank through an outlet pipeline, the outlet pipeline of the vacuum pump extends to the bottom of the inner tank of the temporary storage tank, and the top of the temporary storage tank is connected with the air inlet pipeline through a pipeline.
The technical scheme of the utility model still include, two the incessant alternate operation of adsorption tanks, when one of them adsorption tanks is in adsorption state, another adsorption tank is in regeneration state.
The technical scheme of the utility model still include, two all be equipped with in the adsorption tank oil gas recovery and use the active carbon.
The technical scheme of the utility model still include, the vacuum pump is vortex vacuum pump.
The technical scheme of the utility model still include, the vacuum pump with be provided with the radiator on the outlet line between the interim storage tank.
The technical scheme of the utility model still include, the built-in petrol of interim storage tank, the volume of petrol accounts for 1/3-1/2 of interim storage tank internal volume.
The technical scheme of the utility model still include, install gas distributor in the interim storage tank, gas distributor submergence in below the petrol oil level in the interim storage tank.
The technical scheme of the utility model still include, the high-efficient recovery unit of absorption formula filling station cubic oil gas still including burying ground oil tank and filling station with the oil-submersible pump, the bottom of interim storage tank pass through the pipeline with bury the ground oil tank and be connected, one side of interim storage tank is connected with the oil-submersible pump through the pipeline with filling station, bury ground one side of oil tank with filling station is connected with the oil-submersible pump.
The technical scheme of the utility model still include, interim storage tank with be provided with the oil drain solenoid valve on burying the pipeline between the ground oil tank.
The technical scheme of the utility model still include, interim storage tank with be provided with the solenoid valve that refuels on the pipeline between the submersible pump for filling station.
The utility model has the advantages that,
the utility model discloses increase and absorb the link, improve the treatment effeciency. Utilize interim storage tank to accomplish and absorb the link, need not to reform transform the buried oil tank of filling station, reduce the safety risk. When the interim storage tank petrol was changed, open the oil drain solenoid valve that is located the tank bottoms and make petrol flow back to buried oil tank automatically, open the usable oil submerged pump of upper portion refueling solenoid valve and introduce interim storage tank with oil, petrol is changed simple operation convenience.
Drawings
Fig. 1 is a schematic structural view of a tertiary oil gas efficient recovery device of an adsorption type gas station in an embodiment of the present invention;
wherein, 1-an adsorption tank; 2-a vacuum pump; 3-a radiator; 4-a temporary storage tank; 5-a gas distributor; 6-buried oil tank of gas station; 7-a submersible pump; 8-oil drain electromagnetic valve; 9-oiling electromagnetic valve; 10. an air intake line; 11. a first solenoid valve; 12. a second solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an absorption-type three-time oil gas efficient recovery device for a gas station comprises two absorption tanks 1 arranged in parallel, a vacuum pump 2 connected with the two absorption tanks 1, a temporary storage tank 4 connected with the vacuum pump 2, a buried oil tank 6 connected with the temporary storage tank 4, and an oil-submerged pump for the gas station connected with the temporary storage tank 4 and the buried oil tank 6.
Wherein, two adsorption tanks 1 alternate operation, and when one adsorption tank 1 was in the adsorption state, another adsorption tank 1 was in regeneration state or waited for the state.
Particularly, the tops of the two adsorption tanks 1 are connected with an exhaust pipeline, an exhaust valve and a purging valve are further mounted on the exhaust pipeline, when regeneration enters the final stage, the purging valve is opened to purge the activated carbon in the adsorption tanks 1, and the vacuum regeneration efficiency is improved. The bottoms of the two adsorption tanks 1 are respectively connected with two branch pipelines of the air inlet pipeline 10, and the two branch pipelines of the air inlet pipeline 10 are provided with first electromagnetic valves 11.
In particular, the two adsorption tanks 1 are respectively filled with active carbon for recovering oil gas to absorb VOCs in the oil gas, the active carbon has selective adsorption and can adsorb hydrocarbon components in the gasoline to the surface of the active carbon, and air components pass through the active carbon and are discharged through the top of the adsorption tank 1 after reaching standards.
Preferably, the vacuum pump 2 is a scroll vacuum pump, and the adsorption tank 1 is vacuumized to realize a high-concentration oil-gas regeneration process.
Further, a second electromagnetic valve 12 is provided on a connection line of the vacuum pump 2 and the canister 1. A radiator 3 is also provided on the line between the vacuum pump 2 and the temporary storage tank 4. The radiator 3 is used for carrying out preliminary cooling to the oil gas that vacuum pump 2 is regenerated.
In the embodiment, the bottom of the temporary storage tank 4 is connected with a buried oil tank 6 through a pipeline, and one side of the temporary storage tank 4 is connected with an oil-submerged pump 7 through a pipeline; one side of the buried oil tank 6 is connected with a submersible pump 7 for a gas station through a pipeline. The top of the temporary storage tank 4 is provided with two pipelines, and one pipeline is connected to an air inlet pipeline 10; the other is an outlet pipeline of a vacuum pump, the outlet pipeline of the vacuum pump extends to the bottom of the inner tank of the temporary storage tank 4, and a gas distributor 5 is arranged at the tail end of the outlet pipeline.
In this embodiment, when the operation is started, the first electromagnetic valve 11 on the gas intake line 10 is opened to allow the gas to enter the canister 1 by its own pressure. The adsorption tank 1 is filled with special activated carbon for oil gas recovery, hydrocarbon components in oil gas can be separated from air components, the hydrocarbon components are adsorbed by the activated carbon, and the air components pass through the activated carbon and are discharged after reaching standards. When the adsorption time reaches a set value, the second electromagnetic valve 12 is opened, the vacuum pump 2 is started to perform vacuum regeneration on the adsorption tank 1, and meanwhile, the other adsorption tank 1 performs adsorption. During regeneration, the vacuum pump 2 operates, and the radiator 3 also operates simultaneously, preliminarily cools the oil gas regenerated by the vacuum pump 2, and enters the temporary storage tank 4. The temporary storage tank 4 is filled with gasoline, and the bottom of the temporary storage tank is provided with a gas distributor 5. Regenerated oil gas enters the storage tank 4 below the gasoline liquid level, is fully contacted with gasoline after being subjected to gas distribution through the gas distributor 5, most of the oil gas is absorbed by the gasoline, and a small part of unabsorbed oil gas returns to the air inlet pipeline 10 through the tank top pipeline to be adsorbed by the adsorption tank 1 again.
The gasoline in the temporary storage tank 4 needs to be replaced periodically, and the replacement period is judged according to the running period of the device. In this embodiment, the temporary storage tank 4 has a maximum capacity of 400L and contains about 200L of gasoline. The gasoline in the temporary storage tank 4 needs to be replaced regularly. The replacement frequency is determined according to the running times of the device, and when the running times reach a set value, the device performs oil replacement operation. Need open 4 oil drain solenoid valves 8 of interim storage tank during the operation and put 4 petrol of interim storage tank clean, during petrol gets back to filling station's buried oil tank 6 through flowing automatically, opens refuel solenoid valve 9 again and filling station's oil-submersible pump 7 refuels interim storage tank 4, stops to close when refuel and set for the height refuels solenoid valve 9 and filling station's oil-submersible pump 7 stop refueling.
The utility model discloses compare with conventional absorption method vapor recovery system, the utility model discloses utilize interim storage tank 4 to accomplish the absorption link, improve the treatment effeciency. Meanwhile, the gasoline replacement link is completed by utilizing the submersible pump and the two electromagnetic valves. The utility model discloses can show the treatment effeciency that improves cubic vapor recovery system, and need not to reform transform the buried jar of filling station, reduce and reform transform the construction risk.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (10)
1. The efficient recovery device for the tertiary oil gas of the adsorption type gas station is characterized by comprising two adsorption tanks, a vacuum pump and a temporary storage tank which are arranged in parallel; the bottom of the two adsorption tanks is respectively connected with two branch pipelines of an air inlet pipeline, the bottom of the two adsorption tanks is respectively connected with the vacuum pump through a pipeline, the vacuum pump is connected with the top of the temporary storage tank through an outlet pipeline, the outlet pipeline extends to the bottom of the inner tank of the temporary storage tank, and the top of the temporary storage tank is connected with the air inlet pipeline through a pipeline.
2. The efficient tertiary oil and gas recovery device for adsorption type gas stations as claimed in claim 1, wherein two adsorption tanks are continuously and alternately operated, and when one adsorption tank is in adsorption state, the other adsorption tank is in regeneration state.
3. The efficient tertiary oil and gas recovery device for an adsorption-type gas station as claimed in claim 1, wherein two adsorption tanks are filled with activated carbon for oil and gas recovery.
4. The apparatus for recovering tertiary oil and gas at an adsorption gas station in high efficiency as claimed in claim 1, wherein the vacuum pump is a scroll vacuum pump.
5. The tertiary oil and gas efficient recovery device of an adsorption gas station as claimed in claim 1, wherein a radiator is provided on the outlet line between the vacuum pump and the temporary storage tank.
6. The apparatus for tertiary oil and gas recovery at an absorption gas station as set forth in claim 1, wherein the temporary storage tank contains gasoline, and the volume of the gasoline is 1/3-1/2 of the internal volume of the temporary storage tank.
7. The tertiary oil and gas efficient recovery device of an absorption gas station as claimed in claim 6, wherein a gas distributor is installed in the temporary storage tank, and the gas distributor is submerged below the level of gasoline in the temporary storage tank.
8. The efficient recycling device for tertiary oil gas of an adsorption type gas station as claimed in claim 1, further comprising a buried oil tank and a submersible pump for the gas station, wherein the bottom of the temporary storage tank is connected with the buried oil tank through a pipeline, one side of the temporary storage tank is connected with the submersible pump for the gas station through a pipeline, and one side of the buried oil tank is connected with the submersible pump for the gas station.
9. The efficient tertiary oil and gas recovery device of an adsorption type gas station as claimed in claim 8, wherein an oil discharge electromagnetic valve is arranged on the pipeline between the temporary storage tank and the buried oil tank.
10. The apparatus for recovering tertiary oil and gas of an absorption type gas station as claimed in claim 8, wherein a refueling solenoid valve is disposed on the pipeline between the temporary storage tank and the submersible pump for the gas station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966612.3U CN212893896U (en) | 2020-09-10 | 2020-09-10 | Absorption formula high-efficient recovery unit of gas station cubic oil gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966612.3U CN212893896U (en) | 2020-09-10 | 2020-09-10 | Absorption formula high-efficient recovery unit of gas station cubic oil gas |
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| Publication Number | Publication Date |
|---|---|
| CN212893896U true CN212893896U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021966612.3U Expired - Fee Related CN212893896U (en) | 2020-09-10 | 2020-09-10 | Absorption formula high-efficient recovery unit of gas station cubic oil gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307217A (en) * | 2021-04-15 | 2021-08-27 | 北京北控工业环保科技有限公司 | Three-time oil gas recovery system and process for gas station |
-
2020
- 2020-09-10 CN CN202021966612.3U patent/CN212893896U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307217A (en) * | 2021-04-15 | 2021-08-27 | 北京北控工业环保科技有限公司 | Three-time oil gas recovery system and process for gas station |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 Termination date: 20210910 |