CN1158132C - Enclosing method and equipment for loading or unloading gasoline and recovering gasoline vapour - Google Patents

Enclosing method and equipment for loading or unloading gasoline and recovering gasoline vapour Download PDF

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Publication number
CN1158132C
CN1158132C CNB991080548A CN99108054A CN1158132C CN 1158132 C CN1158132 C CN 1158132C CN B991080548 A CNB991080548 A CN B991080548A CN 99108054 A CN99108054 A CN 99108054A CN 1158132 C CN1158132 C CN 1158132C
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China
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oil gas
gasoline
oil
pipe
storage tank
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Expired - Fee Related
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CNB991080548A
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CN1276257A (en
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张庆祥
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Abstract

The present invention relates to a method and a device for recovering an oil gas by loading and unloading gasoline in a sealing mode, which belongs to the technical field of environment protection. The present invention has the method that a gasoline storage tank is enclosed by a cover plate, and the cover plate is provided with a gasoline inlet and an oil gas outlet. When the gasoline enters the storage tank, the oil gas enters a corrosion inhibition tank of an oil gas by an oil gas pipe, and absorbent is used for carrying out secondary absorption purification to the oil gas. The device comprises the enclosed cover plate, an oil pipe provided with a rapid joint, the oil gas pipe provided with a rapid joint, a buffer tank for an oil gas, a first-level ejection absorption system and a second-level filling-material absorption tower. When the present invention is implemented, the pollution of a hydrocarbon gas to atmosphere can be stopped, energy-source fuel of the gasoline can be saved, and hidden trouble of a fire hazard and explosion can be prevented.

Description

A kind of airtight loading and unloading gasoline reclaims the device of oil gas
The present invention is in the storage and transport process of gasoline, and a kind of airtight loading and unloading gasoline reclaims the device of oil gas.It relates to environmental protection technical field.
In industrial and agricultural production, national defence and social daily life, gasoline is crucial energy fuel.Produce gasoline from oil plant and use the storage and transport process of gasoline, roughly comprise to supplying with all types of user: from the oil plant process units with pack into the process of gasoline tank of gasoline; From gasoline tank with pack into the process of train fortune oil groove jar of gasoline; Gasoline is discharged into the process of oil depot gasoline tank from train fortune oil groove jar; From the oil depot gasoline tank with pack into the process of oil trucking jar of gasoline; Gasoline is discharged into the process of gas station's oil storage tank from the oil trucking jar; The process that gasoline is added automotive oil tank with fuel charger.
The storage and transport process of present above-mentioned six kinds of gasoline, be worn-out operated in open-loop fashion, be about to the oil transportation mouth of pipe and insert in the oil storage tank mouth that we opens, in loading and unloading gasoline in oil storage tank, all can have the gasoline vapor with loading and unloading gasoline quantity equating volume to spill in the atmosphere in every kind of cargo handling process.If annual use of China consumes 40,000,000 tons of gasoline, spill into then that the roughly quantity of gasoline vapor is in the atmosphere: take advantage of 1.36 (gasoline volumes per ton) to take advantage of 6 (six kinds of cargo handling processes) cubic meter for 4,000 ten thousand tons.
Gasoline vapor is a hydrocarbon gas, and it is the major pollutants in the vehicle exhaust.Worn-out open type loading and unloading gasoline spills into the same pollution that constitutes atmosphere of hydrocarbon gas in the atmosphere.Hydrocarbon gas can generate a kind of phosgene at the outer chemical combination of atmosphere with oxides of nitrogen gas, and this phosgene can break the outer field ozone layer of ring earth atmosphere, the ecological environment that jeopardizes the earth mankind that will be serious.Gasoline vapor is to be made of the liquid particle of extremely fine gasoline, and worn-out open type loading and unloading gasoline causes the loss of gasoline vapor, not only can cause the waste of gasoline energy fuel, also exists the hidden danger of fire and blast simultaneously.
The objective of the invention is to overcome the deficiency of above-mentioned six kinds of worn-out open type loading and unloading gasoline methods of operating, provide a kind of airtight loading and unloading gasoline to reclaim the method and apparatus of oil gas, make gasoline in cargo handling process not in atmosphere the loss gasoline vapor be collected in the airtight container, with absorbent gasoline vapor being carried out secondary again absorbs, it is dissolved in the absorbent, take off through heating again and suck back receipts gasoline.So promptly solved the pollution of hydrocarbon gas, saved the gasoline energy fuel again, can also avoid fire and hidden peril of explosion atmospheric environment.
Purpose of the present invention is achieved through the following technical solutions:
A kind of airtight loading and unloading gasoline reclaims the method for oil gas: with gasoline tank mouth cover closure, on the cover board offer gasoline inlet pipe and oil gas vent pipe.The effective a kind of fast connector of gasoline inlet on the mouth of pipe of gasoline feed and the closed cover is connect.When gasoline flowed into the oil storage tank bottom along vertical oil inlet pipe, the gasoline vapor oil gas outlet from closed cover in jar enters the airtight oil gas surge tank through the oil gas pipe to be collected.The oil gas vent pipe of oil gas surge tank and a kind of injection pump intake connect, and the negative pressure of spraying the formation of A type absorbent by pump absorbs with the oil gas suction and with A type absorbent mixed dissolution.The one-level absorptivity can reach 80%, after all the other oil gas and the gas-liquid separation of A type absorbent, delivers to the packed tower bottom from A type absorbent tank pressure and enters, with the A type absorbent countercurrent mass transfer absorption of filler cat head spray.Oil gas is by complete absorption cleaning.Concentrated the taking off of the A type absorbent that is dissolved with gasoline sucked back receipts gasoline.
A kind of airtight loading and unloading gasoline reclaims the device of oil gas, partly is made up of gasoline tank closed cover, the oil pipe that snap joint is housed and oil gas pipe, oil gas surge tank, one-level injection absorption system, secondary packed absorber five.
A. closed cover is a flat board, and is supporting with gasoline tank mouth flange, uses bolted, is furnished with seal.On closed cover, be provided with the gasoline inlet pipe, the nearly gasoline tank of vertical oil pipe one termination bottom, the other end connects valve on closed cover top on the oil pipe, and valve top connects snap joint.Also be provided with the oil gas vent pipe on closed cover, connect valve on the mouth of pipe, valve top connects snap joint.
B., the oil pipe and the oil gas pipe of snap joint are housed, connect by pipe and snap joint and form.Snap joint comprises concavo-convex two, and two butt joint rotations are tight connection for 45 °~90 °.One end of oil pipe and the storage tank fixed connection that comes gasoline, oil inlet pipe connects with snap joint on the other end and the closed cover.The oil gas inlet tube fixed connection of oil gas Guan Yiduan and oil gas surge tank, the oil gas outlet connects with fast connector on the other end and the closed cover.
C. the oil gas surge tank is airtight cylindrical container, offers the oil gas inlet tube and the oil gas Guan Yiduan fixed connection of oil and gas import pipe and oil gas vent pipe on the tank body, and oil gas vent pipe and a kind of jet pump suck the gas port fixed connection.
D. one-level is sprayed absorption system: be made up of jet pump, absorbent storage tank and oil pump.
E. secondary packed tower absorption system is made up of packed absorber, oil pump and absorbent storage tank.Packed tower is a cylindrical container, and inner filling structured packing packed tower and absorbent storage tank are bound up.
The present invention compares with existing worn-out open type loading and unloading gasoline mode of operation and has following advantage:
Implement the method and apparatus that a kind of airtight loading and unloading gasoline of the present invention reclaims oil gas, can effectively stop gasoline vapor loss in atmosphere; Prevent that effectively hydrocarbon gas from constituting pollution to atmosphere; Effectively save the gasoline energy fuel; Effectively prevent the hidden danger of fire and blast.
Now further describe in conjunction with the accompanying drawings with preferred embodiment.
Accompanying drawing is the embodiment schematic diagram that the present invention selects from the oil trucking jar gasoline to be discharged into underground oil tank of gasoline station.
Effective (5) snap joint that oils of (1) oil trucking jar among the figure, end of (2) oil pipe and fortune oil tank fixed connection, the other end and (4) closed cover connects.Gasoline enters the bottom of underground oil tank of gasoline station (3) along vertical oil pipe (6).Oil gas pipe (7) one ends and oil gas surge tank (8) fixed connection, the other end connects with snap joint (5).The interior oil gas of oil storage tank (3) enters in the oil gas surge tank (8) along oil gas pipe (7) and collects.The gas suction inlet of oily vapor outlet pipe of oil gas surge tank (8) and jet pump (9) connects.(14) be that one-level is sprayed absorption A type absorbent jar, with pipeline oil pump (13) circulation absorbent.Unabsorbed oil gas enters the secondary packed absorber (10) from gas vent (15), with tubing pump (12) circulation of the A type absorbent in the storage tank (11) is sprayed from top of tower, with the complete absorption cleaning of oil gas.
Absorbing extremely in storage tank (11), (14), saturated A type absorbent need regularly replace.From saturable absorber, take off and inhale the gasoline otherwise processed.
The present invention has the social benefit that the protection atmospheric environment is not polluted by hydrocarbon gas, has the economic benefit of saving Fuel Petroleum simultaneously.

Claims (1)

1, a kind of airtight loading and unloading gasoline reclaims the device of oil gas, it is characterized in that, is made up of gasoline tank closed cover, the oil pipe that snap joint is housed and oil gas pipe, oil gas surge tank, one-level injection absorption system, secondary packed tower absorption system; The gasoline tank closed cover, supporting with gasoline tank mouth flange, use bolted on connection, on closed cover, be provided with gasoline inlet pipe and oil gas vent pipe, the mouth of pipe connects valve, connects snap joint on the valve; The oil pipe and the oil gas pipe of snap joint are housed, form by pipe and snap joint connection, oil pipe one end connects with the storage tank that comes gasoline, the snap joint of gasoline inlet pipe connects on the other end and the closed cover, one end of oil gas pipe and the snap joint on the oil gas vent pipe on the closed cover connect, and the oil gas inlet of the other end and oil gas surge tank connects; The oil gas surge tank is airtight cylindrical container, offers oil and gas import pipe and oil gas vent pipe on the tank body, the oil gas inlet tube with come oil gas pipe one client link, the suction gas port connection of oil gas vent pipe and jet pump; One-level injection absorption system is made up of jet pump, absorbent storage tank, pipeline oil pump, and spray delivery side of pump and absorbent storage tank top and connect, pipeline oil pump inlet and the connection of absorbent storage tank bottom, the outlet of pipeline oil pump and the inlet of jet pump connect; Secondary packed tower absorption system is made up of packed absorber, tubing pump, absorbent storage tank, packed tower is a cylindrical container, place absorbent storage tank top fixed connection, the tubing pump inlet connects with absorbent storage tank bottom, and the inlet at pipeline delivery side of pump and packed tower top connects; One-level is sprayed absorbent storage tank top and is offered the oil gas inlet connection that oil gas vent pipe and secondary packed absorber bottom are offered.
CNB991080548A 1999-06-08 1999-06-08 Enclosing method and equipment for loading or unloading gasoline and recovering gasoline vapour Expired - Fee Related CN1158132C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB991080548A CN1158132C (en) 1999-06-08 1999-06-08 Enclosing method and equipment for loading or unloading gasoline and recovering gasoline vapour

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB991080548A CN1158132C (en) 1999-06-08 1999-06-08 Enclosing method and equipment for loading or unloading gasoline and recovering gasoline vapour

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CN1276257A CN1276257A (en) 2000-12-13
CN1158132C true CN1158132C (en) 2004-07-21

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100369653C (en) * 2005-12-13 2008-02-20 中国石油化工股份有限公司 Oil gas absorptive reclaiming method and apparatus
CN102059040B (en) * 2010-12-20 2012-09-12 上海神明控制工程有限公司 Oil and gas mixture recycling method and device
CN102295118B (en) * 2011-07-29 2013-03-13 海湾环保工程(北京)股份有限公司 Circulating type oil-gas vacuum adsorption and recovery system comprising crude-oil storage tank
CN103721357B (en) * 2012-10-11 2016-08-10 中国石油化工集团公司 The method reducing device fire hazard

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