CN105084289A - Novel efficient absorption type oil and gas recovery system for gas station - Google Patents
Novel efficient absorption type oil and gas recovery system for gas station Download PDFInfo
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- CN105084289A CN105084289A CN201510501956.4A CN201510501956A CN105084289A CN 105084289 A CN105084289 A CN 105084289A CN 201510501956 A CN201510501956 A CN 201510501956A CN 105084289 A CN105084289 A CN 105084289A
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Abstract
The invention provides a novel efficient absorption type oil and gas recovery device for a gas station. The device mainly comprises an oil and gas collection section, an oil and gas deep absorption section and a vacuum desorption section, and has the advantages that (1) the oil and gas collection section can be used for collecting oil and gas which are produced during oil collection of an underground oil tank and automobile refueling; (2) two absorption columns are adopted by the recovery device, so that the work continuity can be ensured after switching; the absorption columns are filled with a home-made adsorbent special for oil and gas recovery of the gas station, so that tail gas of the system can reach the standard to be discharged, and the oil and gas recovery rate is greater than 99%; and (3) a spray and absorption link of the traditional recovery technology is abandoned for high-concentration oil and gas which are produced by desorption of a desorption section vacuum pump, and the high-concentration oil and gas directly return the underground oil tank and are recycled by a specially-made absorption head, so that the recovery cost is low and the effect is obvious.
Description
Technical field
The invention belongs to environmental protection and field of energy-saving technology, relate to petrol service station phase III gas recovery system for oil, particularly the new and effective absorption type oil gas recovery system of gas station of one.
Background technology
Current gasoline station oil gas discharge Treatment process can be divided into three kinds substantially, i.e. one-phase Investigation of Petroleum Vapor Recovery Technology, two-stage Investigation of Petroleum Vapor Recovery Technology and three stage Investigation of Petroleum Vapor Recovery Technologies.One-phase petroleum vapor recovery is to liking the oil gas of tank wagon to the generation in sunken oil storage refueling process, two-stage petroleum vapor recovery to as if the fuel charger oil gas of discharging in automotive oil tank refueling process, three stage petroleum vapor recovery are for preventing sunken oil storage top oil gas discharged to air, institute's vaporizing oil-gas is concentrated or make it be liquid phase by gas phase transition, then return sunken oil storage.
Investigation display, in the oil gas of discharging in petrol service station gasoline container oil transferring process, light component volume fraction is up to 30% ~ 50%, and the gas concentration that gasoline tanker produces in sunken oil storage emptying process is especially up to 90%.In gasoline, a large amount of light component volatilization enters air, not only causes the wasting of resources, and has potential safety hazard, cause gasoline octane rating reduction to a certain degree simultaneously.At present, the Investigation of Petroleum Vapor Recovery Technology that petrol service station is conventional comprises absorption method, absorption process, condensation method, membrane separation process or its process combination.Absorption method utilizes active carbon or other adsorbent to adsorb the organic components in oil gas, then carries out desorption and regeneration to adsorbent, then absorb regeneration gas or process by other technologies, thus reach the object of Oil-gas Separation and recovery.
At present, conventional adsorption method generally arranges spray equipment in order to absorb desorption oil gas out, but equipment is heavy, economic input is larger.For above problem, the object of the invention is to provide a kind of new and effective absorption type gas station oil gas recovery method and device.
Summary of the invention
The present invention forgoes the absorption link in conventional absorbtion method, replaces special power termination.Device structure is simple, compact, transport installation is very convenient, degree of automation is high, the oil gas problem of discharging when basic solution petrol service station sunken oil storage receives oil and automobile fuel filler, and can not regenerate three waste discharge.
(1) technical scheme of the present invention is:
New and effective absorption type oil gas recovery system of gas station comprises: the pipe fitting compositions such as sunken oil storage, vacuum pump, adsorption column I and II, blower fan, special power termination, hydrocarbon concentration detector, fire-retardant breather valve, fluid pressure warning device and valve, mainly comprises oil gas collection section, oil gas degree of depth absorption exhausting section and stripping stage three links.
The oil gas of the oil gas collection section of 1. described a kind of new and effective absorption type oil gas recovery system of gas station is introduced adsorption column via petroleum vapor recovery effuser and blower fan and is reclaimed by degree of depth absorption, and the exhaust emissions after absorption is in air.The one adsorption column saturated rear closedown air inlet valve of absorption (according to tail gas hydrocarbon concentration detector or design setting time-switching), another adsorption column adsorbs again.Adsorb saturated adsorption column on the spot by vacuum pump desorb, the high-concentration oil vapor desorbed directly passes into underground oil storage and to crouch tank, via special power termination absorb by low temp. gasline recovery.
Further, described petroleum vapor recovery effuser comprises oil gas collection section, oil gas degree of depth absorption exhausting section and exhaust port.
Further, described oil gas degree of depth absorption exhausting section, comprise 2 adsorption columns, this adsorption column is packed into homemade gas station oil gas and reclaims special adsorbent, and this adsorption column can be dismantled easily and assemble.
Further, described adsorption column diameter is 0.2m ~ 1.5m, is highly 0.5m ~ 4m.
Further, described adsorbent is active carbon, silica gel, dewatering silica gel, AdsFOV-II, zeolite compound adsorbent etc.
Further, described stripping stage is that vacuum pump desorption high-concentration oil vapor out returns sunken oil storage and reclaims via special power termination.
Further, described vacuum pump is dry vacuum pump.
The flame trap of 2. described a kind of new and effective absorption type oil gas recovery system of gas station is arranged on exhaust port, mainly in order to prevent outside burning things which may cause a fire disaster from being caused the accident by breather pipe introducing recovery system and oil tank inside.
The fluid pressure warning device selectivity of 3. described a kind of new and effective absorption type oil gas recovery system of gas station is arranged between sunken oil storage and discharge side, and this device can carry out regulable control pressure as required, and its sealing fluid is the agent of petroleum vapor recovery special absorptive.This device can be used to monitoring sunken oil storage fluctuation of pressure situation, and automatically protects oil tank malleation/negative pressure in the scope of setting.
Further, described petroleum vapor recovery special absorptive agent is light diesel, AbsFOV-II etc.
The special power termination of 4. described a kind of new and effective absorption type oil gas recovery system of gas station is placed on bottom sunken oil storage, and the oil gas after desorb is directly absorbed by the oil product in sunken oil storage by special power termination.
Further, described special power termination is tubular type, and special power termination diameter is 25mm, and special power termination length is 0.5m ~ 1.5m, special power termination lateral opening hole, and perforated area is than being 20:1 ~ 30:1, and bore dia is 1mm.
The invention has the advantages that:
The absorption plant of 1. forgoing in traditional absorbing process, the special power termination replacing independent research reclaims the high-concentration oil vapor desorbed.Whole oil-gas recovery device is designed to complete skid closed box type structure, and complete machine operated valve member is few, and structure is simple, compact, transport is installed very convenient.
2. autonomous cruise speed system is divided into two parts: one is adopt PLC to implement automatically to control to the operational process of device comprehensively, and degree of automation is high.Two is utilize upper computer to implement on-line monitoring to the operational process of device, can implement comprehensive analysis to multiple parameter such as temperature, pressure, flow, liquid level, concentration, valve position.
3. adopt device for recovering oil and gas active carbon bed vacuum method regeneration technology bag, the feature of this technique bag be that desorption rate is fast, desorb thoroughly and energy consumption is low.Compared with traditional thermal desorption, reduce the damage of desorption process to sorbing material, improve safety, reduce the dependence to public work.
4. the oil vapour pollution that the present invention can stop to discharge when petrol service station oil tank receives oil and automobile fuel filler substantially also reclaims by the resource be worth, and decreases the danger of presence of fire, both saves the energy; protection of the environment; be beneficial to health, and can not regenerate the three wastes, social benefit, economic benefit are fairly obvious.
Accompanying drawing explanation
1 one kinds, accompanying drawing new and effective absorption type gas station oil gas recovery process figure
Accompanying drawing 1 mark lists as follows:
1-automobile, 2-self-priming Self-closing oil feeder, 3-fuel charger, 4-sunken oil storage, 5-automobile oil truck, 6,14-fire-retardant breather valve, 7-pressure-modulation valve, 8-blower fan, 9,9', 10,10', 13,13'-explosion-proof solenoid valve, 11,11'-adsorption column, 12-vacuum pump, 15-hydrocarbon concentration monitor, the special power termination of 16-, 17-PLC control desk, 18-oil gas effuser, 19-check valve, 20-fluid pressure warning device.
Detailed description of the invention
Be described further below in conjunction with accompanying drawing 1 pair of embodiments of the invention, but the present invention is not by the restriction of embodiment:
(1) a kind of new and effective absorption type oil gas recovery system of gas station comprises: sunken oil storage 4, vacuum pump 12, adsorption column 11, adsorption column 11', blower fan 8, special power termination 16, hydrocarbon concentration detector 15, fire-retardant breather valve 6,14, the pipe fitting compositions such as fluid pressure warning device 20 and valve, mainly comprise oil gas collection section, oil gas degree of depth absorption exhausting section and stripping stage three links.
The oil gas of the oil gas collection section of 1. described a kind of new and effective absorption type oil gas recovery system of gas station is introduced adsorption column 11 (or 11') via petroleum vapor recovery effuser 18 and blower fan 8 and is reclaimed by degree of depth absorption, and the exhaust emissions after absorption is in air.One adsorption column 11 (or 11') adsorbs saturated rear closedown air inlet valve (according to tail gas hydrocarbon concentration detector or design setting time-switching), another adsorption column 11'(or 11) adsorb again.Adsorb saturated adsorption column 11 (or 11') on the spot by vacuum pump 12 desorb, the high-concentration oil vapor desorbed directly passes into underground oil storage and to crouch tank 4, via special power termination 16 absorb by low temp. gasline recovery.
Further, described petroleum vapor recovery effuser comprises oil gas collection section, oil gas degree of depth absorption exhausting section and exhaust port.
Further, described oil gas degree of depth absorption exhausting section, comprise adsorption column 11,11', this adsorption column 11 (or 11') is packed into homemade gas station oil gas and reclaims special adsorbent, and this adsorption column 11 (or 11') can be dismantled easily and assemble.
Further, described adsorption column 11 (or 11') diameter is 0.2 ~ 1.5m, is highly 0.5 ~ 4m.
Further, described adsorbent is active carbon, silica gel, dewatering silica gel, AdsFOV-II, zeolite compound adsorbent etc.
Further, described stripping stage is that vacuum pump 12 desorption high-concentration oil vapor out returns sunken oil storage 4 and reclaims via special power termination 16.
Further, described vacuum pump 12 is dry vacuum pump.
The fire-retardant breather valve 6,14 of 2. described a kind of new and effective absorption type oil gas recovery system of gas station is arranged on exhaust port, mainly in order to prevent outside burning things which may cause a fire disaster from being caused the accident by breather pipe introducing recovery system and oil tank inside.
Fluid pressure warning device 20 selectivity of 3. described a kind of new and effective absorption type oil gas recovery system of gas station is arranged between sunken oil storage and discharge side, and this device can carry out regulable control pressure as required, and its sealing fluid is the agent of petroleum vapor recovery special absorptive.This device can be used to monitoring sunken oil storage fluctuation of pressure situation, and automatically protects oil tank malleation/negative pressure in the scope of setting.
Further, described petroleum vapor recovery special absorptive agent is light diesel, AbsFOV-II etc.
The special power termination 16 of 4. described a kind of new and effective absorption type oil gas recovery system of gas station is placed on bottom sunken oil storage 4, and the oil gas after desorb is directly absorbed by the oil product in sunken oil storage 4 by special power termination 16.
Further, described special power termination 16 is tubular type, and special power termination 16 diameter is 25mm, and special power termination 16 length is 0.5m ~ 1.5m, special power termination 16 lateral opening hole, and perforated area is than being 20:1 ~ 30:1, and bore dia is 1mm.
(2) each device connection is described below:
1. self-priming Self-closing oil feeder 2 self-priming carrys out gas, automobile oil truck 5 unloading pipe is connected with sunken oil storage 4.
2. sunken oil storage 4 top is connected with oil gas effuser 18, fluid pressure warning device 20, and fluid pressure warning device 20 is connected with fire-retardant breather valve 6.
3. oil gas effuser 18 is connected with bottom adsorption column 11,11' by induced draft fan 8.
4. be connected with vacuum pump 12 entrance bottom adsorption column 11,11'.
5. adsorption column 11,11' top are connected with fire-retardant breather valve 14 by hydrocarbon concentration monitor 15.
6. vacuum pump 12 outlet is connected with special power termination 16.
(3) oil vapor treatment mode
1. the oil gas that the oil gas produced during automobile fuel filler or automobile oil truck 5 produce in sunken oil storage 4 emptying process is delivered in oil gas effuser 18 through pressure-modulation valve 7 by induced draft fan 8.
2. the oil gas in oil gas effuser enters adsorption column 11 (or 11') through explosion-proof solenoid valve 9 (or 9') from adsorption column 11 (or 11') bottom, and the gas up to standard (or air) after adsorbent in adsorption column 11 (or 11') is disposed in air by explosion-proof solenoid valve 13 (or 13'), hydrocarbon concentration monitor 15, fire-retardant breather valve 14.
3. when adsorption column 11 (or 11') be adsorbed onto certain hour (or hydrocarbon concentration monitor 15 show tail gas not up to standard time), open explosion-proof solenoid valve 9'(or 9), 13'(or 13), 10 (or 10'), close explosion-proof solenoid valve 9 (or 9'), 13 (or 13'), be switched to adsorption column 11'(or 11) continue absorption, ensure continuity, and run vacuum pump 12 pairs of adsorption columns 11 (or 11') and carry out desorb, the high-concentration oil vapor separating sucking-off is directly absorbed by the oil product in sunken oil storage 4 in special power termination 16 through check valve 19, after desorb certain hour, close explosion-proof solenoid valve 10 (or 10'), vacuum pump 12.
Claims (9)
1. a new and effective absorption type oil gas recovery system of gas station, it comprises: sunken oil storage (4), vacuum pump (12), adsorption column (11), adsorption column (11'), blower fan (8), special power termination (16), hydrocarbon concentration detector (15), fire-retardant breather valve (6,14), the pipe fitting compositions such as fluid pressure warning device (20) and valve, mainly comprise oil gas collection section, oil gas degree of depth absorption exhausting section and stripping stage three links.
2. each device as claimed in claim 1 connects, it is characterized in that: self-priming Self-closing oil feeder (2) self-priming carrys out gas, automobile oil truck (5) unloading pipe is connected with sunken oil storage (4), sunken oil storage (4) top and oil gas effuser (18), fluid pressure warning device (20) connects, fluid pressure warning device (20) is connected with fire-retardant breather valve (6), oil gas effuser (18) is by induced draft fan (8) and adsorption column (11, 11') bottom connects, adsorption column (11, 11') bottom is connected with vacuum pump (12) entrance, adsorption column (11, 11') top is connected with fire-retardant breather valve (14) by hydrocarbon concentration monitor (15), vacuum pump (12) outlet is connected with special power termination (16).
3. the oil vapor treatment mode of a new and effective absorption type oil gas recovery system of gas station, it is characterized in that: the oil gas that the oil gas produced during automobile fuel filler or automobile oil truck (5) produce in sunken oil storage 4 emptying process is delivered in oil gas effuser (18) by induced draft fan (8) through pressure-modulation valve (7), oil gas in oil gas effuser to enter adsorption column (11 or 11') through explosion-proof solenoid valve (9 or 9') from adsorption column (11 or 11') bottom, gas up to standard (or air) after adsorbent in adsorption column (11 or 11') is by explosion-proof solenoid valve (13 or 13'), hydrocarbon concentration monitor (15), fire-retardant breather valve (14) is disposed in air, when adsorption column (11 or 11') is adsorbed onto certain hour (or when hydrocarbon concentration monitor (15) display tail gas is not up to standard), open explosion-proof solenoid valve (9' or 9, 13' or 13, 10 or 10'), close explosion-proof solenoid valve (9 or 9', 13 or 13'), be switched to adsorption column (11' or 11) and continue absorption, ensure continuity, and run vacuum pump (12) desorb is carried out to adsorption column (11 or 11'), the high-concentration oil vapor separating sucking-off is directly absorbed by the oil product in sunken oil storage (4) in special power termination (16) through check valve (19), after desorb certain hour, close explosion-proof solenoid valve (10 or 10'), vacuum pump (12).
4. oil gas collection section as claimed in claim 1, it is characterized in that: the oil gas of oil gas collection section is introduced adsorption column (11 or 11') via petroleum vapor recovery effuser (18) and blower fan (8) and reclaimed by degree of depth absorption, exhaust emissions after absorption is in air, one adsorption column (11 or 11') adsorbs saturated rear closedown air inlet valve (according to tail gas hydrocarbon concentration detector (15) or design setting time-switching), another adsorption column (11' or 11) adsorbs again, adsorb saturated adsorption column (11 or 11') on the spot by vacuum pump (12) desorb, the high-concentration oil vapor desorbed directly passes into underground oil storage and to crouch tank (4), via special power termination (16) absorb by low temp. gasline recovery.
5. petroleum vapor recovery effuser as claimed in claim 1, it comprises: oil gas collection section, oil gas degree of depth absorption exhausting section and exhaust port.Oil gas degree of depth absorption exhausting section comprises adsorption column (11,11'), this adsorption column (11 or 11') is packed into homemade gas station oil gas and reclaims special adsorbent, this adsorption column (11 or 11') can be dismantled easily and assemble, adsorption column (11 or 11') diameter is 0.2m ~ 1.5m, be highly 0.5m ~ 4m, adsorbent is active carbon, silica gel, dewatering silica gel, AdsFOV-II, zeolite compound adsorbent etc.
6. stripping stage as claimed in claim 1, it is characterized in that: stripping stage is that vacuum pump desorption high-concentration oil vapor out returns sunken oil storage (4) and reclaims via special power termination (16), and vacuum pump (12) is dry vacuum pump.
7. fire-retardant breather valve (6,14) as claimed in claim 1, it is characterized in that: fire-retardant breather valve (6,14) is arranged on exhaust port, mainly in order to prevent outside burning things which may cause a fire disaster from being caused the accident by breather pipe introducing recovery system and oil tank inside.
8. fluid pressure warning device (20) as claimed in claim 1; it is characterized in that: fluid pressure warning device (20) selectivity is arranged between sunken oil storage and discharge side; this device can carry out regulable control pressure as required; its sealing fluid is the agent of petroleum vapor recovery special absorptive; this device can be used to monitoring sunken oil storage fluctuation of pressure situation; and protection oil tank malleation/negative pressure is in the scope of setting automatically, the agent of petroleum vapor recovery special absorptive is light diesel, AbsFOV-II etc.
9. special power termination (16) as claimed in claim 1, it is characterized in that: special power termination (16) is placed on sunken oil storage (4) bottom, oil gas after desorb is directly absorbed by the oil product in sunken oil storage (4) by special power termination (16), special power termination (16) is tubular type, special power termination (16) diameter is 25mm, special power termination (16) length is 0.5m ~ 1.5m, special power termination (16) lateral opening hole, perforated area is than being 20:1 ~ 30:1, and bore dia is 1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510501956.4A CN105084289A (en) | 2015-08-16 | 2015-08-16 | Novel efficient absorption type oil and gas recovery system for gas station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510501956.4A CN105084289A (en) | 2015-08-16 | 2015-08-16 | Novel efficient absorption type oil and gas recovery system for gas station |
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| CN201510501956.4A Pending CN105084289A (en) | 2015-08-16 | 2015-08-16 | Novel efficient absorption type oil and gas recovery system for gas station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044690A (en) * | 2016-07-19 | 2016-10-26 | 苏州佩特罗机械设备有限公司 | Anti-overflow oil vapor recovery device |
| CN106315494A (en) * | 2016-08-28 | 2017-01-11 | 张哲� | Oil and gas recovery device for gasoline station |
| 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 |
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| US4715868A (en) * | 1985-07-01 | 1987-12-29 | Mcgill Incorporated | Vapor recovery system |
| CN1806894A (en) * | 2005-12-13 | 2006-07-26 | 中国石油化工股份有限公司 | Oil gas absorptive reclaiming method and apparatus |
| CN102441310A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Oil gas recovery method and device |
| CN202297096U (en) * | 2011-10-17 | 2012-07-04 | 中国石油化工股份有限公司 | Pressure management device for underground petrol tank of absorption-method petrol station |
| CN102899064A (en) * | 2012-11-05 | 2013-01-30 | 陈玲海 | Oil gas recovery system |
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- 2015-08-16 CN CN201510501956.4A patent/CN105084289A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4715868A (en) * | 1985-07-01 | 1987-12-29 | Mcgill Incorporated | Vapor recovery system |
| CN1806894A (en) * | 2005-12-13 | 2006-07-26 | 中国石油化工股份有限公司 | Oil gas absorptive reclaiming method and apparatus |
| CN102441310A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Oil gas recovery method and device |
| CN202297096U (en) * | 2011-10-17 | 2012-07-04 | 中国石油化工股份有限公司 | Pressure management device for underground petrol tank of absorption-method petrol station |
| CN102899064A (en) * | 2012-11-05 | 2013-01-30 | 陈玲海 | Oil gas recovery system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044690A (en) * | 2016-07-19 | 2016-10-26 | 苏州佩特罗机械设备有限公司 | Anti-overflow oil vapor recovery device |
| CN106315494A (en) * | 2016-08-28 | 2017-01-11 | 张哲� | Oil and gas recovery device for gasoline station |
| 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 |
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