CN202152331U - Oil gas recovery device - Google Patents
Oil gas recovery device Download PDFInfo
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- CN202152331U CN202152331U CN2011201528420U CN201120152842U CN202152331U CN 202152331 U CN202152331 U CN 202152331U CN 2011201528420 U CN2011201528420 U CN 2011201528420U CN 201120152842 U CN201120152842 U CN 201120152842U CN 202152331 U CN202152331 U CN 202152331U
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Abstract
The utility model belongs to the technical field of energy conservation and environmental protection, and particularly relates to an oil gas recovery device. The oil gas recovery device comprises an oil gas absorbing device and a regenerating device, wherein the absorbing device is fixedly arranged in a gas station, and used for absorbing oil gas collected in the gas station. The oil gas recovery device is characterized in that the regenerating device comprises a vacuum device arranged on a mobile traffic tool and a condensing unit connected with the vacuum device, a movable joint at the front end of an air inlet pipe of the vacuum device is matched with a movable joint seat on the absorbing device so as to realize the sealing connection between the absorbing device and the regenerating device. For the oil gas recovery device, the separated oil gas absorbing device and regenerating device are adopted, so that the investment of the gas station can be reduced effectively, the energy can be saved, the economical benefits can be improved and the safety can be enhanced.
Description
Technical field
The utility model belongs to energy-conservation and environmental protection technical field, is specifically related to a kind of device for recovering oil and gas that is used for the service station.
Background technology
Along with the rapid growth of automobile quantity, the quantity of service station also increases rapidly thereupon.Gasoline is a kind of volatile petroleum products, at the reception gasoline of service station with in the process of automobile fuel filler, can distribute a large amount of oil gas to atmosphere, has promptly wasted valuable resource, contaminate environment again, and bring potential safety hazard to the service station.Therefore; The oil gas recycling is significant, CNS " storage tank farm atmosphere pollutants emission standards " (GB20950-2007) and " automobile fuel filler gas station design and construction standard " (GB50156-2002) oil gas reclaimed made regulation.
The recovery method of oil gas mainly contains absorption process, absorption method, condensation method, membrane separation process and direct combustion method etc.; Every kind of technology all has its relative merits; Wherein absorption process is because organic efficiency is low, exhaust emissions concentration height can't be up to standard, and directly combustion method is eliminated owing to not reclaiming valuable hydro carbons.Present modal method is that condensation method and absorption method, membrane separation process are used in combination; For example; Service station's device for recovering oil and gas is general to carry out condensation to the oil gas that discharges at the low temperature below-40 ℃ earlier; Make most of oil gas liquefaction, then remaining oil gas is adsorbed through adsorption unit, can reach than the higher recovery and lower emission concentration.Though this technology effect is up to state standards; But because condensing works and adsorption unit are wholely set in the service station; Therefore floor space is big, investment is big; And this method condensation process current consumption is big, and the oil gas of recovery is far smaller than the electric power of consumption, and economic benefit and environmental benefit are all had a greatly reduced quality.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
(1) utility model purpose
For solving the problem that exists in the above-mentioned prior art, the purpose of the utility model provides a kind of device for recovering oil and gas that is used for the service station.
(2) technical scheme
For achieving the above object, the technical scheme of the utility model realizes as follows:
A kind of device for recovering oil and gas that is used for the service station comprises oil gas adsorption unit and regenerating unit, and said adsorption unit is fixedly installed in the service station, is used to adsorb the oil gas of collecting in the service station; Its key is: said regenerating unit comprises vacuum apparatus that is arranged on the mobile traffic and the condensing unit that links to each other with said vacuum apparatus, and the union of said vacuum apparatus inlet pipe front end matches with loose joint headstock on the adsorption unit and realizes being tightly connected of adsorption unit and regenerating unit.
Said adsorption unit comprises intake ducting, adsorption tanks, outlet pipe, and said adsorption tanks link to each other with intake ducting, outlet pipe respectively; The oil gas approach axis is disposed with intake valve, regeneration valve in said intake ducting upper edge; Gas is discharged direction and is disposed with vent valve, gas concentration monitoring equipment and temperature monitoring equipment in said outlet pipe upper edge, and the pipeline outer end of said regeneration valve is provided with the rapid-acting coupling seat.
Said gas concentration monitoring equipment is gas concentration meter or gas concentration transmitter.
Said temperature monitoring equipment is TM or TP.
Pipeline between said regeneration valve and the adsorption tanks is provided with vacuum meter or vacuum pressure sensor.
Said regenerating unit comprises vacuum pump that is arranged on the vehicle and the condensing unit that links to each other with vacuum pump, the rapid-acting coupling that the inlet pipe front end setting of said vacuum pump and said rapid-acting coupling seat are complementary.
Said condensing unit is connected with absorbing unit away from an end of vacuum pump through oil and gas pipes.
(3) beneficial effect
The technical scheme that the utility model provides has following advantage
A) energy-conservation: adsorption process utilizes the oil tank internal pressure can accomplish treating processes, does not need consumes electric power;
B) good in economic efficiency: except saving electric power; The service station only need be equipped with adsorption tanks and supporting valve instrument; All be equipped with special-purpose equipment such as vacuum pump, condensing unit and motorized valve group need for every adsorption unit; Thereby reduced investment and operation maintenance cost, and the sorbent material in the adsorption unit just carries out the regeneration of sorbent material need regenerate the time, guarantee all to be recovered to the gasoline products of ideal quantity at every turn;
C) security is good: the utility model has reduced the electricinstallation in the oil gas adsorption process as far as possible through the oil gas adsorption unit is separated with regenerating unit, has fundamentally eliminated the hidden danger that the adsorption unit electrical spark causes fire;
D) emission standard is high, and absorption method oil gas recovery technology can reach in the world strict emission control standards.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model oil gas adsorption unit; Fig. 2 moves the synoptic diagram of regenerating unit for the utility model.
Embodiment
Further specify below in conjunction with the preferred embodiment of accompanying drawing the utility model.
A kind of device for recovering oil and gas that is used for the service station comprises the adsorption unit that is fixedly installed in the service station and regenerating unit movably.Said adsorption unit is used for the oil gas of collecting in the service station is adsorbed, and when sorbent material need be regenerated, movably regenerating unit linked to each other with adsorption unit, and oil gas regeneration is become liquid gasoline.Like this, the service station only need be equipped with adsorption unit and the valve that matches, instrument, and need not be equipped with equipment such as vacuum pump, motorized valve group, has promptly saved investment, has also reduced the electricinstallation in the service station, has improved security.
Said adsorption unit comprises that two ends connect the adsorption tanks 5 of oil and gas pipes, and is as shown in Figure 1, and wherein the sorbent material in the adsorption tanks 5 can adopt gac, silica gel, NACF or molecular sieve.The structure of adsorption tanks 5 and employed sorbent material are prior art, repeat no more here.
Said adsorption tanks 5 are intake ducting with the pipeline that the oil gas inlet links to each other, and the pipeline that said adsorption tanks 5 link to each other with oil gas vent is an outlet pipe.The direction of said intake ducting upper edge oil gas air inlet is disposed with intake valve 1, regeneration valve 3, is used to detect the vacuum meter 8 of vacuum tightness in the oil and gas pipes; Said outlet pipe upper edge waste gas discharge direction set gradually vent valve 2, be used for detecting the waste gas hydrocarbon content gas concentration meter 7, be used to detect the thermometer 6 of spent air temp.When the absorption working order, said intake valve 1 is a normally open with vent valve 2, and said regeneration valve 3 is closed; During oil gas reproduction operation state, said intake valve 1 cuts out with vent valve 2, and regeneration valve 3 is opened.Said intake valve 1, vent valve 2, regeneration valve 3 all adopt valve of the prior art.The pipeline outer end of said regeneration valve 3 is provided with rapid-acting coupling seat 4, is used for being connected with regenerating unit.Said gas concentration meter 7 also can be replaced by the gas concentration transmitter.
Said regenerating unit comprises the vacuum pump 11 and condensing unit 12 that is arranged on the mobile traffic 14.Said vacuum pump 11 1 ends link to each other with condensing unit 12 through oil and gas pipes, and the other end is connected with rapid-acting coupling 9 through one section flexible pipe 10.Said rapid-acting coupling 9 matches with said rapid-acting coupling seat 4 and realizes being tightly connected of adsorption unit and regenerating unit.Said condensing unit 12 also is connected with absorbing unit 13 away from an end of vacuum pump 11, is used for oil gas remaining behind the adsorption condensing.
Said condensing unit 12 can use finished product oil gas of the prior art to reclaim the condensation unit, and absorbing unit 13 can adopt small-sized adsorption tanks, and the structure of vacuum pump 11, rapid-acting coupling 9 and rapid-acting coupling seat 4 is prior art, repeats no more.
The oil gas adsorption process: intake valve 1 is opened with vent valve 2, and regeneration valve 3 is closed, and oil gas gets into adsorption tanks 5 through intake valve 1 and adsorbs, and after the oil gas of the overwhelming majority was adsorbed, residual gas process vent valve 2 rows were to atmosphere.Gas concentration meter 7 in the arranged outside of said vent valve 2 can be monitored the gas concentration of residual gas, when gas concentration reaches pre-set threshold, promptly points out sorbent material in the adsorption tanks need regenerate and reclaims gasoline simultaneously.Usually; Threshold value according to the particular case gas concentration meter 7 of service station is set to be lower than the desired gas concentration value of national standard, and the gas concentration threshold value of the residual gas that the device for recovering oil and gas that the utility model provided is discharged can be set to smaller or equal to 18g/m
3The thermometer 6 that is positioned at gas concentration meter 7 outsides is monitored the temperature of the sorbent material of adsorption tanks 5 through detecting the temperature of discharging gas, to guarantee security of system.
Gasoline regenerative process: when the sorbent material in the gas concentration meter 7 prompting adsorption tanks 5 need be regenerated, make mobile traffic 14, close intake valve 1 and vent valve 2 near adsorption unit; Rapid-acting coupling 9 is connected on the rapid-acting coupling seat 4; Open regeneration valve 3, the realization regenerating unit is connected with adsorption unit, and open vacuum pump 11 is with vacuumizing in the adsorption tanks 5 then; The desorb under vacuum state of oil gas on the sorbent material; The high-concentration oil vapor that desorbs gets into the condensing unit 12 back overwhelming majority and is condensed into liquid gasoline, and residual minute quantity oil gas is adsorbed by absorbing unit 13, arranges at last to atmospheric gas concentration to be less than or equal to 25g/m
3Said vacuum meter 8 is used for the vacuum tightness of regenerative process monitoring adsorption tanks 5, and when the vacuum tightness that monitors was lower than the vacuum threshold value that is provided with in advance, the desorption process of expression sorbent material was accomplished.Said vacuum meter 8 also can be replaced by vacuum pressure sensor.Usually, the said vacuum threshold value that is provided with in advance can be selected between 680～735mmHg according to concrete needs.
Regenerative process is closed regeneration valve 3 after accomplishing, and pulls up rapid-acting coupling 9, and regenerating unit can leave the service station.Open intake valve 1 and vent valve 2, adsorption unit gets into adsorbed state again.
The device for recovering oil and gas that the utility model provided through adopting isolating adsorption unit and regenerating unit, has reduced the cost of service station, can strengthen the capacity of an adsorption device simultaneously, has improved oil gas regenerated economic benefit and environment protecting.The oil gas that the technical scheme that the utility model provides not only is fit to the service station reclaims, and also is applicable to the recovery occasion that other have the volatile organic gas of recovery needs.
Above content is to combine preferred embodiment to specify what the utility model was done, can not assert that the embodiment of the utility model only limits to these explanations.Under the utility model, the those of ordinary skill of technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deductions and conversion, all should be regarded as belonging to the protection domain of the utility model.For example; For needing the stricter service station of 24 HOUR ACCESS or environmental requirement; Those skilled in the art can be according to the explanation of the utility model; Under the prerequisite of not paying creative work, adopt 2 or a plurality of adsorption tanks through the work of valve set of dispense, there is not oil gas to reveal to guarantee the adsorption tanks regeneration period.
Claims (7)
1. a device for recovering oil and gas that is used for the service station comprises oil gas adsorption unit and regenerating unit, and said adsorption unit is fixedly installed in the service station, is used to adsorb the oil gas of collecting in the service station; It is characterized in that: said regenerating unit comprises vacuum apparatus that is arranged on the mobile traffic and the condensing unit that links to each other with said vacuum apparatus, and the union of said vacuum apparatus inlet pipe front end matches with loose joint headstock on the adsorption unit and realizes being tightly connected of adsorption unit and regenerating unit.
2. device for recovering oil and gas according to claim 1 is characterized in that: said adsorption unit comprises intake ducting, adsorption tanks, outlet pipe, and said adsorption tanks link to each other with intake ducting, outlet pipe respectively; The oil gas approach axis is disposed with intake valve, regeneration valve in said intake ducting upper edge; Gas is discharged direction and is disposed with vent valve, gas concentration monitoring equipment and temperature monitoring equipment in said outlet pipe upper edge, and the pipeline outer end of said regeneration valve is provided with the rapid-acting coupling seat.
3. device for recovering oil and gas according to claim 2 is characterized in that: said gas concentration monitoring equipment is gas concentration meter or gas concentration transmitter.
4. device for recovering oil and gas according to claim 2 is characterized in that: said temperature monitoring equipment is TM or TP.
5. device for recovering oil and gas according to claim 2 is characterized in that: the pipeline between said regeneration valve and the adsorption tanks is provided with vacuum meter or vacuum pressure sensor.
6. device for recovering oil and gas according to claim 2; It is characterized in that: said regenerating unit comprises vacuum pump that is arranged on the vehicle and the condensing unit that links to each other with vacuum pump, the rapid-acting coupling that the inlet pipe front end setting of said vacuum pump and said rapid-acting coupling seat are complementary.
7. device for recovering oil and gas according to claim 6 is characterized in that: said condensing unit is connected with absorbing unit away from an end of vacuum pump through oil and gas pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201528420U CN202152331U (en) | 2011-05-13 | 2011-05-13 | Oil gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201528420U CN202152331U (en) | 2011-05-13 | 2011-05-13 | Oil gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152331U true CN202152331U (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201528420U Expired - Fee Related CN202152331U (en) | 2011-05-13 | 2011-05-13 | Oil gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712279A (en) * | 2016-03-21 | 2016-06-29 | 樊品良 | Volatile gas recovery device for gas station |
-
2011
- 2011-05-13 CN CN2011201528420U patent/CN202152331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105712279A (en) * | 2016-03-21 | 2016-06-29 | 樊品良 | Volatile gas recovery device for gas station |
| CN105712279B (en) * | 2016-03-21 | 2019-02-22 | 樊品良 | Gas station's volatilization gas recyclable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20130513 |