CN211462636U - Oil gas recovery device with graded adsorption - Google Patents
Oil gas recovery device with graded adsorption Download PDFInfo
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- CN211462636U CN211462636U CN201922483605.1U CN201922483605U CN211462636U CN 211462636 U CN211462636 U CN 211462636U CN 201922483605 U CN201922483605 U CN 201922483605U CN 211462636 U CN211462636 U CN 211462636U
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Abstract
The utility model discloses a graded adsorption oil gas recovery device, which comprises a shell, an air inlet pipeline, an adsorption pipeline and a recovery pipeline, wherein a graded adsorption mechanism, an exhaust solenoid valve and a fire-retardant ventilation cap are sequentially connected in series on the adsorption pipeline; the air inlet end of the air inlet pipeline is provided with a flame arrester, the tail end of the air inlet pipeline is connected with the adsorption pipeline, and the air inlet pipeline is provided with a detection mechanism and an air inlet electromagnetic valve; the recovery pipeline is connected with the adsorption pipeline, a flame arrester is arranged at the gas outlet end of the recovery pipeline, and a vacuum pump, a check valve and a recovery tank are sequentially arranged on the recovery pipeline; exhaust solenoid valve, detection mechanism, air inlet solenoid valve and vacuum pump all are connected with explosion-proof terminal box through explosion-proof cable, and explosion-proof terminal box is connected with the controller through explosion-proof cable, is provided with the touch-sensitive screen that is used for setting up and shows on the controller. The utility model adopts the above structure a hierarchical absorbent vapor recovery system device improves the adsorption effect through hierarchical adsorption apparatus structure, and equipment security is high.
Description
Technical Field
The utility model relates to an oil gas recovery device especially relates to a hierarchical absorbent oil gas recovery device.
Background
Gasoline is an important energy source in the life of people at present, but has very strong volatility, and if the gasoline is allowed to volatilize freely, a large amount of energy is wasted, and more importantly, the environment is polluted. Therefore, during the transportation and storage of gasoline, the recovery of volatile oil and gas is necessary. In the prior art, oil gas recovery mainly comprises technical means such as a condensation method, an absorption method, an adsorption method, a membrane separation method and the like. The condensation method and the adsorption method are the most important means in the step 2, but the condenser consumes a lot of electricity, the equipment price is high, and the maintenance is troublesome. Although the adsorption method is simple to use, the active carbon adsorbent has short service life, cannot be desorbed after adsorption and can cause secondary pollution. Adopt molecular sieve formula adsorption technology among the prior art, can realize the absorption and the desorption of oil gas, all adopt single-stage absorption among the existing equipment, the adsorption effect is poor for the gas of emission can not satisfy the demand of environmental protection, simultaneously because adopt the easy emergence accident of electrical equipment in the equipment, make the security of filling station reduce.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hierarchical absorbent vapor recovery system device improves the adsorption effect through hierarchical adsorption apparatus structure, and the equipment security is high.
In order to achieve the purpose, the utility model provides a graded adsorption oil gas recovery device, which comprises a shell, an air inlet pipeline, an adsorption pipeline and a recovery pipeline, wherein a graded adsorption mechanism, an exhaust solenoid valve and a fire-retardant ventilation cap are sequentially connected in series on the adsorption pipeline;
a flame arrester is arranged at the air inlet end of the air inlet pipeline, the tail end of the air inlet pipeline is connected with the adsorption pipeline, and a detection mechanism and an air inlet electromagnetic valve are arranged on the air inlet pipeline;
the air inlet end of the recovery pipeline is fixed between the air inlet electromagnetic valve and the grading adsorption mechanism, the air outlet end of the recovery pipeline is provided with a flame arrester, and the recovery pipeline is sequentially provided with a vacuum pump, a check valve and a recovery tank;
the exhaust solenoid valve, the detection mechanism, the air inlet solenoid valve and the vacuum pump are all connected with the explosion-proof junction box in the shell through explosion-proof cables, the explosion-proof junction box is connected with a controller outside the shell through the explosion-proof cables, and a touch screen used for setting and displaying is arranged on the controller.
Preferably, the graded adsorption mechanism comprises at least two adsorption tanks connected in series, and the adsorption tanks are molecular sieve type adsorption tanks.
Preferably, the detection mechanism comprises an explosion-proof flow meter and an explosion-proof negative pressure meter, and the air inlet electromagnetic valve is arranged between the explosion-proof flow meter and the explosion-proof negative pressure meter.
Preferably, the exhaust solenoid valve and the intake solenoid valve are explosion-proof solenoid valves.
Therefore, the oil gas recovery device adopting the structure improves the adsorption effect through the graded adsorption mechanism consisting of at least two adsorption tanks connected in series; meanwhile, the electromagnetic valves in the shell are all explosion-proof electromagnetic valves, the detection mechanism also adopts an explosion-proof flow meter and an explosion-proof negative pressure meter, all electrical parts are connected by explosion-proof cables, and an explosion-proof junction box is adopted, so that the overall safety of the equipment is improved; a touch screen is arranged outside the shell, and operation is convenient and quick.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the oil-gas recovery device with staged adsorption of the present invention;
fig. 2 is the utility model discloses a hierarchical adsorbed vapor recovery system device shell structure schematic diagram.
Reference numerals
1. A housing; 2. an air intake duct; 21. an explosion-proof flow meter; 22. an air inlet solenoid valve; 23. an explosion-proof negative pressure meter; 3. a graded adsorption mechanism; 31. a molecular sieve type adsorption tank; 4. an exhaust solenoid valve; 5. a fire retardant ventilation cap; 6. a recovery pipeline; 61. a recovery tank; 62. a check valve; 63. a vacuum pump; 7. a flame arrestor; 8. a manual valve; 9. an explosion-proof junction box; 10. a controller; 101. a touch screen; 11. explosion-proof cable.
Detailed Description
Examples
Fig. 1 is the utility model relates to a hierarchical absorbent vapor recovery system schematic diagram, fig. 2 is the utility model relates to a hierarchical absorbent vapor recovery system shell structure schematic diagram, as shown in the figure, a hierarchical absorbent vapor recovery system includes casing 1, admission line 2, adsorption pipeline and recovery pipeline 6.
Have established ties in proper order on the adsorption pipeline and have hierarchical adsorption apparatus structure 3, exhaust solenoid valve 4 and back-fire relief ventilation cap 5, hierarchical adsorption apparatus structure 3 includes two at least series connection's adsorption tanks, and this embodiment adsorption tank is molecular sieve formula adsorption tank 31, and this embodiment adopts two molecular sieve formula adsorption tanks 31, has improved adsorption effect greatly. The air inlet end of the air inlet pipeline 2 is provided with a flame arrester 7, the tail end of the air inlet pipeline 2 is connected with an adsorption pipeline, and the air inlet pipeline 2 is provided with a detection mechanism and an air inlet electromagnetic valve 22. The detection mechanism comprises an explosion-proof flow meter 21 and an explosion-proof negative pressure meter 23, an air inlet electromagnetic valve 22 is arranged between the explosion-proof flow meter 21 and the explosion-proof negative pressure meter 23, the exhaust electromagnetic valve 4 and the air inlet electromagnetic valve 22 are explosion-proof electromagnetic valves, and a manual valve is further arranged between a flame arrester 7 on the air inlet pipeline 2 and the explosion-proof flow meter 21, so that the equipment can be conveniently closed manually. Because the flow rate of some gas stations is too small, which results in too large error of the accumulated flow rate, or too large flow rate and is not suitable for time control, the present embodiment adopts time and flow rate accumulation dual control, when one of the parameters of the time or flow rate accumulation reaches a set value, the recovery operation is performed, the air inlet electromagnetic valve 22 and the air outlet electromagnetic valve S2 are closed, and the vacuum pump 63 is started to pump the desorption gas into the recovery tank 61 for recovery.
The inlet end of the recovery pipeline 6 is fixed between the air inlet electromagnetic valve 22 and the grading adsorption mechanism 3, the air outlet end of the recovery pipeline 6 is provided with the flame arrester 7, the recovery pipeline 6 is sequentially provided with the vacuum pump 63, the check valve 62 and the recovery tank 61, and the check valve 62 prevents the oil gas in the recovery tank 61 from returning to the adsorption tank.
Exhaust solenoid valve 4, detection mechanism, air inlet solenoid valve 2 and vacuum pump 63 all are connected with the explosion-proof terminal box 9 in the casing 1 through explosion-proof cable 11, explosion-proof terminal box 9 is connected with the outer controller 10 of casing 1 through explosion-proof cable 11, controller 10 sets up in the distribution room in filling station, be provided with the touch-sensitive screen 101 that is used for setting up and showing on the controller 10, make things convenient for the staff to set for the parameter and look over data, the end of giving vent to anger all is provided with spark arrester 7 assurance equipment safety in utilization with giving vent to anger.
Therefore, the oil gas recovery device adopting the structure improves the adsorption effect through the graded adsorption mechanism consisting of at least two adsorption tanks connected in series; meanwhile, the electromagnetic valves in the shell are all explosion-proof electromagnetic valves, the detection mechanism also adopts an explosion-proof flow meter and an explosion-proof negative pressure meter, all the electrical parts are connected by explosion-proof cables, and an explosion-proof junction box is adopted, so that the overall safety of the equipment is improved; the touch screen is arranged outside the shell, and the operation is convenient and quick.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a hierarchical adsorbed vapor recovery system device, includes casing, admission line, adsorption pipeline and recovery pipeline, its characterized in that: a grading adsorption mechanism, an exhaust electromagnetic valve and a fire-retardant ventilation cap are sequentially connected in series on the adsorption pipeline;
a flame arrester is arranged at the air inlet end of the air inlet pipeline, the tail end of the air inlet pipeline is connected with the adsorption pipeline, and a detection mechanism and an air inlet electromagnetic valve are arranged on the air inlet pipeline;
the air inlet end of the recovery pipeline is fixed between the air inlet electromagnetic valve and the grading adsorption mechanism, the air outlet end of the recovery pipeline is provided with a flame arrester, and the recovery pipeline is sequentially provided with a vacuum pump, a check valve and a recovery tank;
the exhaust solenoid valve, the detection mechanism, the air inlet solenoid valve and the vacuum pump are all connected with the explosion-proof junction box in the shell through explosion-proof cables, the explosion-proof junction box is connected with a controller outside the shell through the explosion-proof cables, and a touch screen used for setting and displaying is arranged on the controller.
2. The staged adsorption oil and gas recovery device of claim 1, wherein: the hierarchical adsorption device includes two at least series connection's adsorption tanks, the adsorption tanks is molecular sieve formula adsorption tanks.
3. The staged adsorption oil and gas recovery device of claim 1, wherein: the detection mechanism comprises an explosion-proof flow meter and an explosion-proof negative pressure meter, and the air inlet electromagnetic valve is arranged between the explosion-proof flow meter and the explosion-proof negative pressure meter.
4. The staged adsorption oil and gas recovery device of claim 1, wherein: the exhaust electromagnetic valve and the air inlet electromagnetic valve are explosion-proof electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483605.1U CN211462636U (en) | 2019-12-31 | 2019-12-31 | Oil gas recovery device with graded adsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483605.1U CN211462636U (en) | 2019-12-31 | 2019-12-31 | Oil gas recovery device with graded adsorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211462636U true CN211462636U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922483605.1U Active CN211462636U (en) | 2019-12-31 | 2019-12-31 | Oil gas recovery device with graded adsorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211462636U (en) |
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2019
- 2019-12-31 CN CN201922483605.1U patent/CN211462636U/en active Active
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