CN202246026U - Refueling and oil gas recovery system for gas station - Google Patents
Refueling and oil gas recovery system for gas station Download PDFInfo
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- CN202246026U CN202246026U CN2011202423591U CN201120242359U CN202246026U CN 202246026 U CN202246026 U CN 202246026U CN 2011202423591 U CN2011202423591 U CN 2011202423591U CN 201120242359 U CN201120242359 U CN 201120242359U CN 202246026 U CN202246026 U CN 202246026U
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Abstract
The utility model relates to a refueling and oil gas recovery system for a gas station, which comprises an underground oil tank, a refueling machine, an inert gas storage tank, a pressure adjusting valve, a control system, a vacuum pump I, a vacuum pump II and an oil gas recovery device. When the gas pressure of the underground oil tank is increased to a preset value, the oil gas recovery device is started. When the gas pressure of the underground oil tank is reduced to the preset value caused by the refueling operation of the refueling machine, the inert gas automatically enters into the underground oil tank and the oil gas in an oil tank of a car is directly sucked into the oil gas recovery device. In the refueling and oil gas recovery system for the gas station, the underground oil tank is under a micro-positive pressure state all the time, oxygen and water vapor are completely isolated and prevented from entering into the underground oil tank, the influence of air on the quality of gasoline is smaller, and the operation safety of the gas station is higher.
Description
Technical field
The utility model provides a kind of petrol service station to refuel and gas recovery system for oil, belongs to environmental protection and field of energy-saving technology.
Background technology
In the automobile fuel filler process, what all produce higher concentration contains light component oil gas to tank wagon to underground gasoline tank emptying and fuel charger.For alleviating environmental pollution, eliminate the petrol service station potential safety hazard and reclaiming hydrocarbon resources; A lot of petrol service stations have all been built device for recovering oil and gas, but owing to be mixed with air in the oil gas, still have some problems; Like water vapour; Can deposit to the sunken oil storage bottom behind the water vapor condensation, and form one deck water/gasoline interface, thereby grow germ with gasoline.In order to reduce discharging carbonic oxide and to satisfy more and more stricter Environmental Criteria; Usually in gasoline, add materials such as ethanol and MTBE; The existence of these gasoline additives; Can make the germ dissolving get into gasoline, and together be added in the automotive oil tank with gasoline, a large amount of breedings of germ will be stopped up gasoline piping.In order to alleviate environmental pollution, reduce oil gas volatilization, added the charcoal absorption bed in some automobile, and the existence meeting of water is with the active carbon efflorescence, thereby reduces active carbon service life.In addition, the unsaturated hydro carbons of the existence of oxygen in also can oxidation of gasoline influences quality of gasoline, and potential potential safety hazard arranged in the air.Therefore, steam of introducing in the oil gas and oxygen are few more, and just more little to the influence of quality of gasoline, the petrol service station safety is just high more.
U.S. Pat 5220799 provides petrol service station airtight fuel loading system.When fuel charger when automotive oil tank refuels, sunken oil storage gas-phase space pressure reduces, current when reducing to a certain setting value, unreactable gas gets into sunken oil storage through pressure-modulation valve, to replenish the space that sunken oil storage reduces because of oiling.When gasoline carrier when sunken oil storage refuels, the oil gas in the sunken oil storage is transported to special device for recovering oil and gas district by gasoline carrier with it from flowing in the gasoline carrier, utilizes the liquid nitrogen condensation technology to be translated into liquid state, and returns oil tank.The difference of patent US5367882 and US5220799 is exactly before oil gas gets into the liquid nitrogen condensation device, increases dehydrating unit, makes the content of the vapour W/O of recovery reduce to minimum.Because fuel loading system is a closed-loop operation, has completely cut off air, therefore, operates safer.This technology does not reclaim the oil gas that fuel charger produces in the automotive oil tank refueling process.
Petrol service station in the oil gas that transmitting-receiving produces in the oily process all more or less contain quantities and oxygen.Some petrol service station adopts the combination process of condensation or condensation and other technologies to reclaim oil gas; But in order to guarantee quality of gasoline or to reduce because of increasing the investment cost that profit gas separation equipment produces; Generally all earlier oil gas is carried out precooling; Remove moisture wherein, adopt the second stage/condensation or other technologies to reclaim hydrocarbon resources then.And can't avoid for the existence of oxygen.
Summary of the invention
The utility model provides a kind of petrol service station to refuel and gas recovery system for oil.
The petrol service station that the utility model provides refuels and gas recovery system for oil, comprises sunken oil storage, fuel charger, inertial gas tank, pressure-modulation valve, control system, pressure sensor, vacuum pump I, vacuum pump II and device for recovering oil and gas; Wherein said sunken oil storage links to each other with fuel charger through oil line, and fuel charger links to each other with vacuum pump I inlet through pipeline, and the outlet of vacuum pump I connects device for recovering oil and gas, and device for recovering oil and gas links to each other with sunken oil storage through recovery line; Said sunken oil storage top also links to each other with inertial gas tank through pipeline, and this pipeline is provided with pressure-modulation valve, and pressure-modulation valve links to each other with control system.
According to the oiling and the gas recovery system for oil of the utility model, described sunken oil storage also comprises unloading line and emptying oil gas recovery line, and said emptying oil gas recovery line links to each other with the inlet of vacuum pump II, and vacuum pump II outlet links to each other with device for recovering oil and gas.
According to the oiling and the gas recovery system for oil of the utility model, described fuel charger oil gas recovery line links to each other with the inlet of vacuum pump I, and the outlet of vacuum pump I links to each other with device for recovering oil and gas.
According to the oiling and the gas recovery system for oil of the utility model, described sunken oil storage top gas space is provided with pressure sensor.The effect of pressure sensor is the gaseous tension in the test sunken oil storage, converts it to electric signal and is transported to control system, with control inert gas tube line pressure regulator valve, perhaps controls the start and stop of the continuous vacuum pump of emptying oil gas recovery line.The pressure setting range of this pressure sensor is-300～300Pa (gauge pressure), preferred 0～200Pa (gauge pressure).
According to the oiling and the gas recovery system for oil of the utility model, when underground oil tank top gas pressure increased to the higher limit of setting, device for recovering oil and gas started.When fuel charger was given group refueling, device for recovering oil and gas started simultaneously, and the oil gas in the automotive oil tank is directly aspirated gets into device for recovering oil and gas, and unreactable gas is then mended into sunken oil storage, to keep sunken oil storage top gaseous pressure.
According to the oiling and the gas recovery system for oil of the utility model, when underground oil tank gaseous tension increases to the higher limit of setting because of the gasoline carrier emptying, control system will start device for recovering oil and gas.
According to the oiling and the gas recovery system for oil of the utility model, described device for recovering oil and gas is selected from one or more the combination in absorption, condensation, membrance separation and the absorption plant, preferably adopts the oil gas condensing plant.Concentrated oil gas/the liquid hydrocarbon that reclaims through device for recovering oil and gas turns back to sunken oil storage, and when the gaseous tension at underground oil tank top is reduced to a certain setting value, control system will stop the operation of device for recovering oil and gas.
When underground oil tank gaseous tension refuels when being reduced to a certain setting value to automotive oil tank because of fuel charger; Control system will be opened the pressure-modulation valve on the unreactable gas pipeline; Unreactable gas is transported to sunken oil storage, is positioned at normal range with the gaseous pressure of keeping the sunken oil storage top.
According to the oiling and the gas recovery system for oil of the utility model, wherein gaseous tension is in slight positive pressure state all the time in the sunken oil storage.Through the introducing of unreactable gas, can make complete starvation of sunken oil storage and steam, system operation is safer.Described unreactable gas is selected from nitrogen, CO2, argon gas and helium etc.
Compared with prior art, oiling of the petrol service station of the utility model and gas recovery system for oil have following positive effect:
(1) the sunken oil storage no oxygen gets into, and operates safer.
(2) the anhydrous entering of sunken oil storage can not produce harmful effect to quality of gasoline and oil delivering pipe of car road.
Description of drawings
Fig. 1 is the process flow diagram of the utility model method;
Wherein: 1, inertial gas tank; 2, pressure-modulation valve; 3, unreactable gas pipeline; 4, control system; 5, pressure sensor; 6, sunken oil storage; 7, unloading line; 8, oiling pipeline; 9, fuel charger; 10, fuel charger oil gas recovery line; 11, emptying oil gas recovery line; 12, vacuum pump I; 13, device for recovering oil and gas; 14, purified gas; 15, liquid hydrocarbon/concentrated oil-gas pipeline; 16, vacuum pump II.
The specific embodiment
The petrol service station that further specifies the utility model below in conjunction with accompanying drawing refuels and gas recovery system for oil.
As shown in Figure 1, when fuel charger 9 through refueling pipeline 8 when automotive oil tank refuels, vacuum pump I 12 promptly starts, aspirates the oil gas entering device for recovering oil and gas in the automotive oil tank.Sunken oil storage 6 top gas pressure will reduce in the refueling process; Control system 4 receives the signal that pressure sensor 5 is carried; When gaseous tension is reduced to preset lower limit; Control system is opened pressure-modulation valve 2, and unreactable gas gets into sunken oil storage 6 by inertial gas tank 1, makes sunken oil storage top gas pressure be tending towards normal range.
When gasoline carrier passes through unloading line 7 to sunken oil storage 6 emptyings; Sunken oil storage top gas pressure raises; When it is increased to the higher limit of setting; Vacuum pump II 16 starts, and the gas in the suction sunken oil storage gets into device for recovering oil and gas 13, purified gas 14 emptyings (purified gas 14 is mainly unreactable gas and other fixed gas).Concentrated oil gas/liquid hydrocarbon that device for recovering oil and gas reclaims then returns sunken oil storage through liquid hydrocarbon/concentrated oil-gas pipeline 15.After gaseous tension in pressure sensor shows sunken oil storage recovered normal range, the control system output command quit work vacuum pump II 16 and device for recovering oil and gas.
In the utility model, carry out equilibrium of pressure and protection oil tank, in refueling process and tank car emptying process, all do not have the air admission sunken oil storage owing to introduce unreactable gas.Therefore, the utility model can be eliminated the harmful effect that petrol service station is brought by water and oxygen fully when reclaiming hydrocarbon resources.
Claims (5)
1. a petrol service station refuels and gas recovery system for oil, comprises sunken oil storage, fuel charger, inertial gas tank, pressure-modulation valve, control system, vacuum pump I, vacuum pump II and device for recovering oil and gas; Wherein said sunken oil storage links to each other with fuel charger through oil line, and fuel charger links to each other with vacuum pump I inlet through the oil gas recovery line, and the outlet of vacuum pump I connects device for recovering oil and gas, and device for recovering oil and gas links to each other with sunken oil storage through pipeline; Said sunken oil storage top also is connected with inertial gas tank through pipeline, and this pipeline is provided with pressure-modulation valve, and pressure-modulation valve links to each other with control system.
2. according to described oiling of claim 1 and gas recovery system for oil; It is characterized in that; Described sunken oil storage also comprises unloading line and emptying oil gas recovery line, and emptying oil gas recovery line links to each other with the inlet of vacuum pump II, and vacuum pump II outlet links to each other with device for recovering oil and gas.
3. according to described oiling of claim 1 and gas recovery system for oil, it is characterized in that described sunken oil storage top gas space is provided with pressure sensor, the pressure setting range of pressure sensor is gauge pressure-300～300Pa.
4. according to described oiling of claim 1 and gas recovery system for oil, it is characterized in that described device for recovering oil and gas is selected from one or more the combination in adsorption plant, condensing plant, membrane separation device and the absorption plant.
5. according to described oiling of claim 1 and gas recovery system for oil, it is characterized in that the purified gas discharge side of said device for recovering oil and gas connects with inertial gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202423591U CN202246026U (en) | 2011-07-11 | 2011-07-11 | Refueling and oil gas recovery system for gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202423591U CN202246026U (en) | 2011-07-11 | 2011-07-11 | Refueling and oil gas recovery system for gas station |
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| Publication Number | Publication Date |
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| CN202246026U true CN202246026U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202423591U Expired - Lifetime CN202246026U (en) | 2011-07-11 | 2011-07-11 | Refueling and oil gas recovery system for gas station |
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| CN (1) | CN202246026U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601146A (en) * | 2013-10-17 | 2014-02-26 | 中国石油化工股份有限公司 | Gas station secondary oil gas recovery online monitoring system |
| CN105084288A (en) * | 2015-08-13 | 2015-11-25 | 中国石油化工股份有限公司 | Automatic monitoring method for oil vapor recovery leakproofness of gas station |
| CN106315494A (en) * | 2016-08-28 | 2017-01-11 | 张哲� | Oil and gas recovery device for gasoline station |
| CN107082404A (en) * | 2017-05-12 | 2017-08-22 | 海湾环境科技（北京）股份有限公司 | Oil gas monitoring method and oil gas monitoring system |
| CN107235466A (en) * | 2017-07-10 | 2017-10-10 | 内蒙古泰霖环保科技股份有限公司 | A kind of filling station system |
| CN108861179A (en) * | 2018-07-11 | 2018-11-23 | 杜利兵 | A kind of nitrogen-filled seal of volatility oil storage tank and refrigeration-type gas recovery system for oil and method |
| CN110159926A (en) * | 2019-02-22 | 2019-08-23 | 北京启顺京腾科技有限责任公司 | A kind of unloading pipe system |
| CN110182745A (en) * | 2019-06-27 | 2019-08-30 | 周志明 | A kind of gas recovery system for oil using cool-heat-exchanger |
| CN113526446A (en) * | 2020-04-13 | 2021-10-22 | 安徽德明石油化工设备有限公司 | Internet of things oil gas recovery online monitoring system equipment |
-
2011
- 2011-07-11 CN CN2011202423591U patent/CN202246026U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601146A (en) * | 2013-10-17 | 2014-02-26 | 中国石油化工股份有限公司 | Gas station secondary oil gas recovery online monitoring system |
| CN103601146B (en) * | 2013-10-17 | 2016-07-27 | 中国石油化工股份有限公司青岛安全工程研究院 | Gas station's secondary oil gas is recovered in line monitoring system |
| CN105084288A (en) * | 2015-08-13 | 2015-11-25 | 中国石油化工股份有限公司 | Automatic monitoring method for oil vapor recovery leakproofness of gas station |
| CN106315494A (en) * | 2016-08-28 | 2017-01-11 | 张哲� | Oil and gas recovery device for gasoline station |
| CN107082404A (en) * | 2017-05-12 | 2017-08-22 | 海湾环境科技（北京）股份有限公司 | Oil gas monitoring method and oil gas monitoring system |
| CN107235466A (en) * | 2017-07-10 | 2017-10-10 | 内蒙古泰霖环保科技股份有限公司 | A kind of filling station system |
| CN108861179A (en) * | 2018-07-11 | 2018-11-23 | 杜利兵 | A kind of nitrogen-filled seal of volatility oil storage tank and refrigeration-type gas recovery system for oil and method |
| CN110159926A (en) * | 2019-02-22 | 2019-08-23 | 北京启顺京腾科技有限责任公司 | A kind of unloading pipe system |
| CN110182745A (en) * | 2019-06-27 | 2019-08-30 | 周志明 | A kind of gas recovery system for oil using cool-heat-exchanger |
| CN113526446A (en) * | 2020-04-13 | 2021-10-22 | 安徽德明石油化工设备有限公司 | Internet of things oil gas recovery online monitoring system equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |