CN211770279U - Oil filling system with oil gas recovery function - Google Patents
Oil filling system with oil gas recovery function Download PDFInfo
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- CN211770279U CN211770279U CN202020209135.XU CN202020209135U CN211770279U CN 211770279 U CN211770279 U CN 211770279U CN 202020209135 U CN202020209135 U CN 202020209135U CN 211770279 U CN211770279 U CN 211770279U
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Abstract
The utility model discloses a system of refueling with vapor recovery system function, include: the underground oil tank is provided with a gas outlet and a gas return port, the exhaust treatment module comprises an adsorption tank, a vacuum pump and a condenser, the adsorption tank is provided with a first gas vent and a second gas vent, an adsorption layer is arranged in the adsorption tank and is positioned between the first gas vent and the second gas vent, the gas outlet is connected with the first gas vent through a first electric control valve, a gas inlet of the vacuum pump is connected with the first gas vent through a second electric control valve, and an inlet of the vacuum pump is also connected with the second gas vent through a third electric control valve; the outlet of the vacuum pump is connected with the condenser through a fourth electric control valve, the condenser is connected with the air return port, and the outlet of the vacuum pump is also connected with the exhaust pipe through a fifth electric control valve. The purification of the gas discharged from the underground oil tank and the recovery and utilization of the oil gas in the discharged gas are realized, and the requirement of environmental protection and exhaust is met.
Description
Technical Field
The utility model relates to a test equipment especially relates to a system of refueling with vapor recovery system function.
Background
The gasoline station usually uses a buried oil tank to store combustible oil (gasoline or diesel oil), the buried oil tank is connected with a refueling device, and the refueling device refuels the automobile through a refueling gun. In actual use, in the process of unloading oil from the oil tank truck to the underground oil tank, the air pressure in the underground oil tank is increased, and meanwhile, when the oil truck is filled with oil through the oil filling equipment, the gas exhausted from the oil tank of the oil truck is reversely input into the underground oil tank through the oil filling gun so that the air pressure is increased. When the gas pressure in the underground oil tank reaches a set value, the gas in the underground oil tank is discharged from the safety valve. However, the discharged gas contains a large amount of oil gas, and the oil gas is discharged to the atmosphere to cause environmental pollution. Therefore, how to design a refueling system that can environmental protection exhaust and can retrieve oil gas is the utility model aims to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a system of refueling with vapor recovery system function realizes the oil gas in the buried oil tank combustion gas and recycle exhaust gas outside purifying, satisfies the carminative requirement of environmental protection.
The utility model provides a system of refueling with vapor recovery system function, include: the underground oil tank is provided with a gas outlet and a gas return port, the exhaust treatment module comprises an adsorption tank, a vacuum pump and a condenser, the adsorption tank is provided with a first vent hole and a second vent hole, an adsorption layer is arranged in the adsorption tank and is positioned between the first vent hole and the second vent hole, the gas outlet is connected with the first vent hole through a first electric control valve, a gas inlet of the vacuum pump is connected with the first vent hole through a second electric control valve, and an inlet of the vacuum pump is also connected with the second vent hole through a third electric control valve; the outlet of the vacuum pump is connected with the condenser through a fourth electric control valve, the condenser is connected with the air return port, and the outlet of the vacuum pump is connected with the exhaust pipe through a fifth electric control valve.
Further, the exhaust treatment module comprises two adsorption tanks, and the two adsorption tanks are arranged in parallel.
Furthermore, the condenser comprises a condensation pipe and a fan, the fan is located on one side of the condensation pipe and used for blowing air to the condensation pipe to cool, and the condensation pipe is connected between the fourth electric control valve and the air return port.
Furthermore, the whole condensation pipe is of a serpentine coil structure.
Furthermore, activated carbon is arranged in the adsorption layer.
Has the advantages that:
the gas output from the gas outlet of the underground oil tank enters the adsorption tank, and the gas is filtered and adsorbed by utilizing the adsorption layer in the adsorption tank, so that oil gas contained in the gas exhausted from the underground oil tank is adsorbed in the adsorption layer, and the clean and environment-friendly gas is further ensured to be exhausted from the exhaust pipe; simultaneously, carry out evacuation processing through the vacuum pump to the adsorption tank to the oil molecule that adsorbs in making the adsorbed layer is analyzed out, then forms oil and flows back to buried oil jar again after the condenser condensation, with the oil gas in the recycle gas, avoids the energy extravagant.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of the oil filling system with an oil gas recovery function of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
As shown in fig. 1, the oil filling system with oil gas recovery function of the present embodiment includes: the underground oil tank 1 is provided with an air outlet 11 and an air return port 12, the exhaust treatment module 3 comprises an adsorption tank 31, a vacuum pump 32 and a condenser 33, the adsorption tank 31 is provided with a first air vent (not marked) and a second air vent (not marked), the adsorption tank 31 is internally provided with an adsorption layer 310, the adsorption layer 310 is positioned between the first air vent and the second air vent, the air outlet 11 is connected with the first air vent through a first electric control valve 4, an air inlet of the vacuum pump 32 is connected with the first air vent through a second electric control valve 5, and an inlet of the vacuum pump 32 is also connected with the second air vent through a third electric control valve 6; the outlet of the vacuum pump 32 is connected with the condenser 33 through the fourth electric control valve 7, the condenser 33 is connected with the return air port 12, and the outlet of the vacuum pump 32 is also connected with the exhaust pipe 2 through the fifth electric control valve 8.
Specifically, the fueling system with the vapor recovery function according to the present embodiment adds the exhaust gas treatment module 3 between the underground tank 1 and the exhaust pipe 2. In this way, the gas exhausted from the underground oil tank 1 enters the exhaust gas treatment module 3, and the gas contains a certain amount of oil gas, so that the gas enters the adsorption tank 31 through the first vent hole of the adsorption tank 31, and the gas is treated through the adsorption layer 310, so that the oil gas in the gas is adsorbed by the adsorption layer 310 to purify the air. The purified air is sucked by the vacuum pump 32 and discharged to the atmosphere through the exhaust pipe 2, so as to meet the requirement of environmental protection exhaust. The material used for the adsorption layer 310 is a material capable of adsorbing oil gas, for example, activated carbon may be used.
Meanwhile, as the usage time increases, the oil molecules adsorbed in the adsorption layer 310 are large, and the oil molecules in the adsorption layer 310 are recovered and utilized. The adsorption tank 31 is vacuumized by the vacuum pump 32, under a vacuum environment, oil molecules in the adsorption layer 310 are desorbed and conveyed to the condenser 33 through the vacuum pump 32, and oil gas is processed by the condenser 33 to form oil liquid and finally flows back to the underground oil tank 1, so that the oil gas is recycled.
Further, the exhaust gas treatment module 3 includes two adsorption tanks 31, and the two adsorption tanks 31 are arranged in parallel. Specifically, in the actual use process, after the adsorption layer 310 in one of the adsorption tanks 31 reaches the service life, the oil gas recovery processing is performed through the other adsorption tank 31. The operator can perform an operation process on the canister 31 requiring replacement of the adsorbent layer 310. Correspondingly, two sets of electric control valves connected with the adsorption tanks 31 are correspondingly configured, and each adsorption tank 31 is respectively and independently connected with the air outlet 11 and the vacuum pump 32 through the respectively configured electric control valve.
In addition, in order to implement the temperature reduction and condensation treatment on the oil gas through the condenser 33, the condenser 33 includes a condensation pipe 331 and a fan 332, the fan 332 is located at one side of the condensation pipe 331 and is used for blowing air to the condensation pipe 331 for temperature reduction, and the condensation pipe 331 is connected between the fourth electric control valve and the return air inlet 12. Specifically, for the oil gas delivered by the vacuum pump 32 to enter the condensation pipe 331, under the action of the external fan 332, the oil gas in the condensation pipe 331 is cooled and condensed to form oil liquid and flows back to the underground oil tank 1. The whole condensing tube 331 is a serpentine coil structure to increase the heat exchange area and improve the condensing efficiency.
The oil filling system with the oil gas recovery function of the utility model can utilize the adsorption layer in the adsorption tank to filter and adsorb the gas by entering the gas output from the gas outlet of the underground oil tank into the adsorption tank, so that the oil gas contained in the gas discharged from the underground oil tank is adsorbed in the adsorption layer, and the clean and environment-friendly gas is further ensured to be discharged from the exhaust pipe; simultaneously, carry out evacuation processing through the vacuum pump to the adsorption tank to the oil molecule that adsorbs in making the adsorbed layer is analyzed out, then forms oil and flows back to buried oil jar again after the condenser condensation, with the oil gas in the recycle gas, avoids the energy extravagant.
Claims (5)
1. The utility model provides a system of refueling with vapor recovery system retrieves function which characterized in that includes: the underground oil tank is provided with a gas outlet and a gas return port, the exhaust treatment module comprises an adsorption tank, a vacuum pump and a condenser, the adsorption tank is provided with a first vent hole and a second vent hole, an adsorption layer is arranged in the adsorption tank and is positioned between the first vent hole and the second vent hole, the gas outlet is connected with the first vent hole through a first electric control valve, a gas inlet of the vacuum pump is connected with the first vent hole through a second electric control valve, and an inlet of the vacuum pump is also connected with the second vent hole through a third electric control valve; the outlet of the vacuum pump is connected with the condenser through a fourth electric control valve, the condenser is connected with the air return port, and the outlet of the vacuum pump is connected with the exhaust pipe through a fifth electric control valve.
2. The refueling system with oil and gas recovery function as recited in claim 1 wherein said exhaust gas treatment module comprises two of said canisters, said two canisters being arranged in parallel.
3. The refueling system with oil and gas recovery function as claimed in claim 1, wherein the condenser comprises a condensation pipe and a fan, the fan is located on one side of the condensation pipe and used for blowing air to the condensation pipe to cool, and the condensation pipe is connected between the fourth electric control valve and the air return opening.
4. The oil filling system with oil and gas recovery function of claim 3, wherein the whole condensation pipe is of a serpentine coil structure.
5. The refueling system with oil and gas recovery function as claimed in claim 1, wherein activated carbon is disposed in the adsorption layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209135.XU CN211770279U (en) | 2020-02-26 | 2020-02-26 | Oil filling system with oil gas recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209135.XU CN211770279U (en) | 2020-02-26 | 2020-02-26 | Oil filling system with oil gas recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211770279U true CN211770279U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020209135.XU Active CN211770279U (en) | 2020-02-26 | 2020-02-26 | Oil filling system with oil gas recovery function |
Country Status (1)
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|---|---|
| CN (1) | CN211770279U (en) |
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2020
- 2020-02-26 CN CN202020209135.XU patent/CN211770279U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221027 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec Safety Engineering Research Institute Co.,Ltd. Patentee after: Qingdao noan Electromechanical Technology Co.,Ltd. Address before: 266000 No.7 Shanxiu Road, langu hi tech Zone, Jimo District, Qingdao, Shandong Province Patentee before: Qingdao noan Electromechanical Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |