CN211562396U - Oil gas recovery device suitable for double-channel alternate working in low-temperature environment - Google Patents
Oil gas recovery device suitable for double-channel alternate working in low-temperature environment Download PDFInfo
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- CN211562396U CN211562396U CN201922485906.8U CN201922485906U CN211562396U CN 211562396 U CN211562396 U CN 211562396U CN 201922485906 U CN201922485906 U CN 201922485906U CN 211562396 U CN211562396 U CN 211562396U
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Abstract
The utility model discloses an oil gas recovery device which is adapted to the dual-channel alternate working of the low temperature environment and comprises a heat preservation shell, an air inlet pipeline, an adsorption pipeline, a recovery pipeline, a ventilation mechanism and a heating mechanism, wherein the adsorption pipeline comprises two adsorption units which are connected in parallel; the air inlet pipeline is provided with a flame arrester and an air inlet main valve, and is provided with two branch air inlet pipelines which are respectively connected with the two adsorption units; the recycling pipeline is provided with two recycling branch pipelines, the recycling branch pipelines are fixed between the air inlet electromagnetic valve and the grading adsorption mechanism, an explosion-proof junction box is arranged in the heat-insulating shell, and the explosion-proof junction box is connected with the controller through an explosion-proof cable. The utility model adopts the above structure a be adapted to two-way alternate work's of low temperature environment oil gas recovery device keeps the heat preservation casing internal temperature through ventilation mechanism and heating mechanism and keeps suitable, through two parallelly connected absorption unit alternate work, realizes incessant oil gas treatment.
Description
Technical Field
The utility model relates to an oil gas recovery device especially relates to an oil gas recovery device who is adapted to low temperature environment's dual-channel alternate work.
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 technique among the prior art, can realize the absorption and the desorption of oil gas, all adopt the working method who adsorbs the desorption in proper order among the existing equipment for can not adsorb the operation in desorption process, make oil gas treatment process be interrupted and go on, seriously influence the treatment effect.
Meanwhile, in cold northern areas, the temperature is generally about minus 40 ℃ in winter, but the working temperature of the adsorbing material is between minus 20 ℃ and 40 ℃, so that the adsorption recovery efficiency is reduced in cold environments, and the oil gas treatment cannot meet the environmental protection requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be adapted to low temperature environment's dual-channel alternate work's vapor recovery system device keeps the heat preservation casing internal temperature through ventilation mechanism and heating mechanism and keeps suitable, through two parallelly connected absorption unit alternate work, realizes incessant oil gas treatment.
In order to achieve the purpose, the utility model provides an oil gas recovery device which is suitable for the dual-channel alternate working of the low temperature environment and comprises a heat preservation shell, an air inlet pipeline, an adsorption pipeline, a recovery pipeline, a ventilation mechanism and a heating mechanism, wherein the adsorption pipeline comprises two adsorption units which are connected in parallel, each adsorption unit is sequentially connected with a grading adsorption mechanism and an exhaust electromagnetic valve in series, and the tail end of the adsorption pipeline is provided with a fire-retardant ventilation cap;
the air inlet end of the air inlet pipeline is provided with a flame arrester and an air inlet main valve, the air inlet pipeline is provided with two air inlet branch pipelines through a three-way pipe fitting, the two air inlet branch pipelines are respectively connected with two adsorption units, and the air inlet branch pipelines are provided with a detection mechanism and an air inlet electromagnetic valve;
the air inlet end of the recovery pipeline is provided with two branch recovery pipelines which are 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, the branch recovery pipelines are sequentially provided with a vacuum pump and a check valve, and the two branch recovery pipelines are both connected with a recovery tank;
the exhaust electromagnetic valve, the detection mechanism, the air inlet electromagnetic valve and the vacuum pump are all connected with an explosion-proof junction box in the heat-insulating shell through explosion-proof cables, the explosion-proof junction box is connected with a controller outside the heat-insulating 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, the air inlet electromagnetic valve is arranged between the explosion-proof flow meter and the explosion-proof negative pressure meter, and the air outlet electromagnetic valve and the air inlet electromagnetic valve are explosion-proof electromagnetic valves.
Preferably, the heat-insulating shell is a double-layer shell, and heat-insulating materials are filled between the double-layer shell.
Preferably, the ventilation mechanism comprises a ventilation opening and an explosion-proof arbor wheel fan, a filter screen is fixed at the position, corresponding to the ventilation opening, of the inner side of the heat preservation shell, a pull door is fixed on the ventilation opening, and the explosion-proof arbor wheel fan is connected with the explosion-proof cable box through an explosion-proof cable.
Preferably, the heating mechanism comprises a plurality of explosion-proof heaters and a plurality of temperature sensors, and the explosion-proof heaters and the temperature sensors are uniformly fixed on the inner side of the heat-insulating shell and are connected with the explosion-proof cable box through explosion-proof cables.
Therefore, the oil gas recovery device which is adaptive to the dual-channel alternate working in the low-temperature environment and adopts the structure ensures that the equipment in the heat-insulating shell is in a proper environment through the heat-insulating shell, the ventilation mechanism and the heating mechanism, and ensures the adsorption efficiency; the adsorption pipeline comprises two adsorption units connected in parallel, and the two adsorption units work alternately to realize uninterrupted adsorption; the adsorption effect is improved by a graded adsorption mechanism consisting of at least two adsorption tanks connected in series; meanwhile, the electromagnetic valves in the heat-insulating 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; a touch screen is arranged outside the heat preservation 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 the utility model relates to a dual-channel alternate working oil gas recovery device schematic diagram suitable for low temperature environment.
Reference numerals
1. A heat-insulating shell; 2. an air intake duct; 21. a main intake valve; 22. a branched intake pipe; 221. an explosion-proof flow meter; 222. an air inlet solenoid valve; 223. an explosion-proof negative pressure meter; 3. an adsorption unit; 31. a molecular sieve type adsorption tank; 32. an exhaust solenoid valve; 4. a fire retardant ventilation cap; 5. a flame arrestor; 6. a recovery pipeline; 61. a recovery tank; 62. a recovery branch pipe; 621. a vacuum pump; 622. a check valve; 7. an explosion-proof junction box; 8. an explosion-proof cable; 9. a controller; 91. a touch screen; 10. an explosion-proof heater; 11. a temperature sensor; 12. an explosion-proof arbor wheel fan; 13. a vent; 131. a filter screen; 132. the door is pulled out.
Detailed Description
Examples
Fig. 1 is the utility model relates to a be adapted to dual-channel alternate work's of low temperature environment oil gas recovery unit schematic diagram, as shown in the figure, an be adapted to dual-channel alternate work's of low temperature environment oil gas recovery unit includes heat preservation casing 1, admission line 2, adsorption pipeline, recovery pipeline 6, ventilation mechanism and heating mechanism. The heat preservation shell 1 of the embodiment is a double-layer shell, and heat preservation materials are filled between the double-layer shell, so that the heat dissipation speed is reduced. The ventilation mechanism comprises a ventilation opening 13 and an explosion-proof arbor wheel fan 12, a filter screen 131 is fixed at the inner side of the heat preservation shell 1 corresponding to the ventilation opening 13, a pull door 132 is fixed on the ventilation opening 13, and the explosion-proof arbor wheel fan 12 is connected with an explosion-proof cable box 7 through an explosion-proof cable 8 and used for cooling the interior of the heat preservation shell 1 when the environment is hot. Heating mechanism includes a plurality of explosion-proof heater 10 and a plurality of temperature sensor 11, and explosion-proof heater 10 of this embodiment and temperature sensor 11 all set up two, a plurality of explosion-proof heater 10 with temperature sensor 11 is fixed in 1 inboards of heat preservation casing and is connected with explosion-proof cable box 7 through explosion-proof cable 8. This embodiment sets for the temperature at-10 degrees centigrade to 10 degrees centigrade, when the temperature that at least one temperature sensor 11 detected is less than-10 degrees centigrade, start explosion-proof heater 10, when the temperature that at least one temperature sensor 11 detected is higher than 10 degrees centigrade, close explosion-proof heater 10, make equipment can be applicable to cold environment, improve absorption efficiency, the quantity temperature control that can add temperature sensor 11 and explosion-proof heater 10 according to actual need belongs to common use setting in the electricity field, no longer describe herein.
The adsorption pipeline comprises two adsorption units 3 connected in parallel, a grading adsorption mechanism and an exhaust electromagnetic valve 32 are sequentially connected in series on each adsorption unit 3, the grading adsorption mechanism comprises at least two adsorption tanks connected in series, the adsorption tank is a molecular sieve type adsorption tank 31, and the tail end of the adsorption pipeline is provided with a fire-retardant ventilation cap 4. The air inlet end of the air inlet pipeline 2 is provided with a flame arrester 5 and an air inlet main valve 21, the air inlet pipeline 2 is provided with two air inlet branch pipelines 22 through a three-way pipe fitting, the two air inlet branch pipelines 22 are respectively connected with the two adsorption units 3, the air inlet branch pipelines 22 are provided with a detection mechanism and an air inlet electromagnetic valve 222, the detection mechanism comprises an explosion-proof flow meter 221 and an explosion-proof negative pressure meter 223, and the air inlet electromagnetic valve 222 is arranged between the explosion-proof flow meter 221 and the explosion-proof negative pressure meter 223. The inlet end of the recovery pipeline 6 is provided with two branch recovery pipelines 62, the branch recovery pipelines 62 are fixed between the inlet electromagnetic valve 222 and the graded adsorption mechanism, the outlet end of the recovery pipeline 6 is provided with a flame arrester 5, the branch recovery pipelines 62 are sequentially provided with a vacuum pump 621 and a check valve 622, and the two branch recovery pipelines 62 are both connected with the recovery tank 61.
The working process is as follows:
initially, the air inlet solenoid valve 222(S1) and the air outlet solenoid valve 32(S2) of the first adsorption unit are opened, the air inlet solenoid valve 222(S3) and the air outlet solenoid valve 32(S4) of the second adsorption unit are closed, and the accumulated flow error is too large due to too small flow rate of some gas stations, or the flow rate is too large and is not suitable for time control, in this embodiment, time and flow rate accumulation dual control is adopted, when one parameter of the time or flow rate accumulation reaches a set value, recovery operation is performed, when the first adsorption unit needs to perform desorption, the air inlet solenoid valve 222(S1) and the air outlet solenoid valve 32(S2) of the first adsorption unit are closed, the vacuum pump (M1) on the first recovery branch pipe 62 is started, meanwhile, the air inlet solenoid valve 222(S3) and the air outlet solenoid valve 32(S4) of the second adsorption unit are opened for adsorption, the two adsorption units 3 are alternately operated, and the adsorption operation is avoided being unable to perform adsorption operation during, continuous adsorption treatment is realized.
Exhaust solenoid valve 32 and air inlet solenoid valve 222 are explosion-proof solenoid valve, exhaust solenoid valve 32, detection mechanism, air inlet solenoid valve 222 and vacuum pump 621 all are connected with the explosion-proof terminal box 7 in the heat preservation casing 1 through explosion-proof cable 8, explosion-proof terminal box 7 is connected with the outer controller 9 of heat preservation casing 1 through explosion-proof cable 8, the inlet end all is provided with flame arrester 5 with the end of giving vent to anger and guarantees equipment safety in utilization, improve the holistic security of equipment, controller 9 sets up in the distribution room in filling station, be provided with the touch-sensitive screen 91 that is used for setting up and showing on the controller 9, carry out parameter setting and reading of data through touch-sensitive screen 91, and is convenient and.
Therefore, the oil gas recovery device which is adaptive to the dual-channel alternate working in the low-temperature environment and adopts the structure ensures that the equipment in the heat-insulating shell is in a proper environment through the heat-insulating shell, the ventilation mechanism and the heating mechanism, and ensures the adsorption efficiency; the adsorption pipeline comprises two adsorption units connected in parallel, and the two adsorption units work alternately to realize uninterrupted adsorption; the adsorption effect is improved by a graded adsorption mechanism consisting of at least two adsorption tanks connected in series; meanwhile, the electromagnetic valves in the heat-insulating 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; a touch screen is arranged outside the heat preservation shell, and 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 (6)
1. The utility model provides an oil gas recovery device who is adapted to low temperature environment's dual-channel alternate work, includes heat preservation casing, admission line, adsorption pipeline and recovery pipeline, its characterized in that: the adsorption pipeline comprises two adsorption units which are connected in parallel, each adsorption unit is sequentially connected with a graded adsorption mechanism and an exhaust electromagnetic valve in series, and a fire-retardant ventilation cap is arranged at the tail end of the adsorption pipeline;
the air inlet end of the air inlet pipeline is provided with a flame arrester and an air inlet main valve, the air inlet pipeline is provided with two air inlet branch pipelines through a three-way pipe fitting, the two air inlet branch pipelines are respectively connected with two adsorption units, and the air inlet branch pipelines are provided with a detection mechanism and an air inlet electromagnetic valve;
the air inlet end of the recovery pipeline is provided with two branch recovery pipelines which are 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, the branch recovery pipelines are sequentially provided with a vacuum pump and a check valve, and the two branch recovery pipelines are both connected with a recovery tank;
the exhaust electromagnetic valve, the detection mechanism, the air inlet electromagnetic valve and the vacuum pump are all connected with an explosion-proof junction box in the heat-insulating shell through explosion-proof cables, the explosion-proof junction box is connected with a controller outside the heat-insulating shell through the explosion-proof cables, and a touch screen used for setting and displaying is arranged on the controller.
2. The oil-gas recovery device adapted to the low-temperature environment and with double paths working alternately as claimed in 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 oil-gas recovery device adapted to the low-temperature environment and with double paths working alternately as claimed in claim 1, wherein: the detection mechanism comprises an explosion-proof flow meter and an explosion-proof negative pressure meter, the air inlet electromagnetic valve is arranged between the explosion-proof flow meter and the explosion-proof negative pressure meter, and the air outlet electromagnetic valve and the air inlet electromagnetic valve are explosion-proof electromagnetic valves.
4. The oil-gas recovery device adapted to the low-temperature environment and with double paths working alternately as claimed in claim 1, wherein: the heat-insulating shell is a double-layer shell, and heat-insulating materials are filled between the double-layer shell.
5. The oil-gas recovery device adapted to the low-temperature environment and with double paths working alternately as claimed in claim 1, wherein: the ventilation mechanism comprises a ventilation opening and an explosion-proof arbor wheel fan, a filter screen is fixed at the position, corresponding to the ventilation opening, of the inner side of the heat-insulating shell, a pull door is fixed on the ventilation opening, and the explosion-proof arbor wheel fan is connected with an explosion-proof cable box through an explosion-proof cable.
6. The oil-gas recovery device adapted to the low-temperature environment and with double paths working alternately as claimed in claim 1, wherein: the heating mechanism comprises a plurality of explosion-proof heaters and a plurality of temperature sensors, wherein the explosion-proof heaters and the temperature sensors are uniformly fixed on the inner side of the heat-insulating shell and are connected with the explosion-proof cable box through explosion-proof cables.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485906.8U CN211562396U (en) | 2019-12-31 | 2019-12-31 | Oil gas recovery device suitable for double-channel alternate working in low-temperature environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922485906.8U CN211562396U (en) | 2019-12-31 | 2019-12-31 | Oil gas recovery device suitable for double-channel alternate working in low-temperature environment |
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| CN211562396U true CN211562396U (en) | 2020-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531745A (en) * | 2022-01-19 | 2022-05-24 | 杭州量动自动化设备有限公司 | Fluoride purification system, explosion-proof heater in fluoride purification system and use method |
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2019
- 2019-12-31 CN CN201922485906.8U patent/CN211562396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114531745A (en) * | 2022-01-19 | 2022-05-24 | 杭州量动自动化设备有限公司 | Fluoride purification system, explosion-proof heater in fluoride purification system and use method |
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