CN105523300A - Loss-prevention device for oil product tank - Google Patents
Loss-prevention device for oil product tank Download PDFInfo
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- CN105523300A CN105523300A CN201410514543.5A CN201410514543A CN105523300A CN 105523300 A CN105523300 A CN 105523300A CN 201410514543 A CN201410514543 A CN 201410514543A CN 105523300 A CN105523300 A CN 105523300A
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Abstract
The invention discloses a loss-prevention device for an oil product tank. The loss-prevention device comprises a steel oil tank (2) and a sealing tank (1) arranged in the steel oil tank (2). An oil pipe opening, a liquid level meter opening, a ventilation opening (8) and a manhole (9) are formed in the top of the steel oil tank (2). An air bag (3) is arranged on the top of the sealing tank (1). The sealing tank (1) communicates with the oil pipe opening in the steel oil tank (2) through a telescopic hose (6) and communicate with the liquid level meter opening in the steel oil tank (2) through another telescopic hose (6). An oil inlet pipe (4) and an oil outlet pipe (5) are inserted in the telescopic hose (6) located in the oil pipe opening, and a liquid level meter (7) is inserted in the telescopic hose (6) located in the liquid level meter opening. According to the loss-prevention device for the oil product tank, the purposes of completely eradiating the loss of oil products, avoiding environmental pollution and reducing production and operation cost are achieved by inhibiting oil gas volatilization. The loss-prevention device has the beneficial effects of being simple in structure, convenient to install, safe and reliable and is particularly suitable for transformation of existing old tanks.
Description
Technical field
Product tank device technique field of the present invention, what relate generally to is a kind of one-tenth oil product tank loss-prevention device.Be widely used in the various one-tenth oil product tanks such as horizontal tank, upright tank, soccer star's tank, barrel-shaped tank.
Background technology
At present, in the storage and transportation of finished oil, the evaporation loss of oil product belongs to natural defect, and survey data shows, the accumulated quantity of oil product evaporating loss is very surprising.Any type of oil product evaporating loss is all occur on the basis of defeated, oil vessel internal mass transfer process.This mass transport process comprises the interphase mass transfer occurring in gas, liquid contact surface, i.e. the evaporation of oil product, and occurs in the diffusion of hydrocarbon molecule in the container gas compartment.By above-mentioned mass transport process, the original air of the container gas compartment gradually becomes the miscellaneous gas being tending towards well-distributed hydrocarbon vapour and air, and when change of external conditions causes state parameter to change, miscellaneous gas enters air from container.While causing oil product evaporating loss, also can pollute air environment.Given this, need reclaim miscellaneous gas-oil gas, to reduce the wastage and to take refuge the pollution of environment.For this reason, the methods such as absorption method, absorption process, condensation method, oxidation burning method are arisen at the historic moment, and are applied at the commitment of petroleum vapor recovery.But these oil-gas recovery methods are are mainly researched and developed to reduce to pollute, and operation cost is very high.
In addition, these oil-gas recovery methods reclaim after mostly producing based on oil gas again, and recovery method is comparatively passive.How becoming passive and be recovered as active suppression, on the basis not changing existing tank structure, by suppressing oil gas to produce, just can eliminate blended oil steam, reach energy-saving and environmental protection, safely, the object of guaranteeing the quality, be the direction that numerous contrivers attempt research always:
Chinese patent literature disclosed " the grease proofing product volatilization device of software pot type of horizontal tank and variable section cargo tank " (ZL2009201533008), it is made up of pot type software and oil resistant buoyancy aid, be provided with oil resistant buoyancy aid at the top of pot type software, oil resistant buoyancy aid is provided with the oil inlet and oil outlet that communicate with pot type software; Oil resistant buoyancy aid is made up of floating drum, floating drum fixed frame and cover plate, and the bottom of floating drum fixed frame is provided with floating drum, is provided with floating drum fixed frame in the inner side of pot type software, and the outside of pot type software is provided with cover plate, is bolted to connection between cover plate and floating drum fixed frame; Oil resistant buoyancy aid is provided with the siphon port and gauge hatch that communicate with pot type software; Pot type software makes with oil resistant adhesive plaster material.Because oil is sealed in pot type software, fluid and air separate by pot type software, reduce the oil gas that horizontal tank and variable section cargo tank produce when loading and unloading and storing oil product, decrease the loss of oil product; But its structure is comparatively complicated, employ a large amount of metal piece, need to weld in tank to get angry, add the difficulty of the transformation of existing old tank, the connection of floating roof and tank simultaneously exists leaks possibility.
Chinese patent literature disclosed " truck tanker tank body is Horizontal rectangular " (ZL200520096677), it comprises: tank body, flat capping, the manhole be welded on tank deck, air extractor vent, oil pipe, tank body cross section is rectangle, and floating in it have an inner floating roof.Inner floating roof and tank body peace capping cavity shape coincide, and oil pipe is one, is arranged at tank body top, or is two, is arranged at tank body top and bottom respectively.This utility model can economize energy, reduces the loss of oil product, but its sealing existing problems, can not seal completely, still can produce volatilizing loss, and structure be comparatively complicated.
Disclosed " fluoro-rubber sealing bag for internal floating top oil storage tank " (ZL87201259) of Chinese patent literature is in inner floating roof formula storage tanker, the adhesive plaster sealing bag of the resistance to aromatic hydrocarbon of flexible sealing, resistance to aviation kerosene function admirable between inner floating roof and tank skin, its feature is, with 1 ~ 3 layer of fabric for enhancement layer, on the two sides of enhancement layer with the rubberised layer of one deck based on viton, the multiple sticking adhesive layer of one deck based on viton is pasted again on single or double rubberised layer, finally shaping by viton autovulcanization rubber cement stickup (cold bonding or hot pressing).This patent is just applicable to flexible sealing between inner floating roof and tank skin, unresolved sealing problem, still has oil gas volatilization loss.
Chinese patent literature disclosed " a kind of volatilization prevention oil tank " (ZL201020210390), it comprises in metal can and is provided with soft pot, oil inlet and oil outlet pipe, the top of described soft pot is provided with oil resistant buoyancy aid, oil resistant buoyancy aid is provided with the oil inlet and oil outlet that communicate with soft pot, one end of oil inlet and oil outlet pipe extend in soft pot by oil inlet and oil outlet successively, and the other end reaches outside metal can.The electrostatic that soft pot can effectively produce by electrostatic conductor is transmitted to the earth through metal can.Greatly reduce the oil gas produced when loading and unloading and storing oil product, decrease the loss of oil product; The combination of soft pot and metal can, further enhances the function preventing oil product from volatilizing.But its shape is barrel-shaped, and be with inner floating roof can not put into from manhole, and soft pot is unfixing, opening is too much, opening on soft pot buoyancy aid is not tightly connected mutually with steel tank, and there is sealing problem between turnover oil pipe, be easy to the opening departing from steel can in use procedure, thus produce wearing and tearing, be not suitable for the horizontal ellipse head product tank transformation of existing petrol storage tank.
Above-mentioned patent, although serve minimizing oil loss to a certain extent, alleviates the contamination to environment, in suppression production of hydrocarbons, still have deficiency, fundamentally can not eliminate the volatilization of oil gas.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, the invention provides one and becoming oil product tank loss-prevention device, by suppressing oil gas to produce, reaching and substantially stopping oil loss, avoid environmental pollution, reduce the object of production and operation cost.There is structure simple, be convenient to installation, safe and reliable feature, be particularly useful for existing old tank transformation.
The present invention realizes the technical scheme that above-mentioned purpose takes: a kind of product tank loss-prevention device, comprise steel oil tank and the sealable tank in it is set, the top of described steel oil tank has oil pipe opening, liquidometer opening and vent and manhole, the top of described sealable tank has inflatable air bag as floating roof, described sealable tank is communicated with respectively by bellows with the oil pipe opening on described steel oil tank, liquidometer opening, be inserted with oil inlet (4) and oil outlet pipe in bellows, liquidometer is inserted in sealable tank by the bellows connecting liquidometer opening.
The middle and lower part of sealable tank of the present invention is fixed on steel tank inwall by connecting element.
The shape of sealable tank of the present invention is consistent with steel tank, and its volume size also can be more smaller than tank volume.
Described sealable tank top of the present invention has air bag installing port, and installing port is double-deck oil proof rubber cloth structure, and described air bag also can be suppressed in the middle of oil proof rubber interlayer.
Sealable tank of the present invention is main material by rubber elastomer, and reinforcement cloth is carcasing, and thickness is 0.2-5mm.
The area of air bag of the present invention is the 1/5-2/3 that sealable tank tank body cross-sectional plane connects.
Air bag of the present invention can be integrated, and also can be made up of several air bags, air bag leave inflation inlet inflatable.
Bellows of the present invention is bellows or the flexible pipe consistent with tank body material.
Sealable tank of the present invention has higher pulling strengrth, peel strength and puncture strength.
The present invention by arranging sealable tank in steel tank, and air bag is set at the top of sealable tank, and the top of sealable tank adopts bellows to be connected with the open top of steel oil tank, relevant turnover oil pipe, interfacial meter etc. insert flexible pipe, be sealed in sealable tank, isolated air.Because oil product is sealed in sealable tank, reduce the oil and gas loss that product tank and tank truck produce when loading and unloading and storing oil product, and sealable tank, air bag and bellows all use plastics and elastomeric material heat seal machine-shaping, good sealing effect, prevent the spilling of oil gas, utilize the breathing of sealable tank instead of oil gas turnover time breathing, prevent the loss that Big and Small Breath causes.Because steel tank is fixed in sealable tank middle and lower part, therefore can prevent the movement of sealable tank, avoid departing from of floating roof and departing from of Telescopic flexible pipe.Make with the flexible material such as plastics or rubber fabric, replace solid floating roof with inflatable pneumatic bag, sealable tank can be entered in steel can from manhole, not need to get angry in tank, therefore easy for installation, be convenient to the transformation of old tank.There is structure simple, cost is low, simple to operate, reduce oil product volatilizing loss, the features such as safety and environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Figure 1A-A section drawing.
Fig. 3 is the outside birds-eye view of Fig. 1.
In figure: 1-sealable tank, 2-steel tank, 3-air bag, 4-oil inlet, 5 oil outlets, 6-collapsible hose, 7-interfacial meter, 8-vent, 9-manhole, 10-connecting element.
Detailed description of the invention
By reference to the accompanying drawings, provide embodiments of the invention as follows, but the present invention does not limit to following examples:
As Figure 1-3: the one-tenth oil product tank loss-prevention device described in the present embodiment arranges sealable tank 1 in steel tank 2, the middle and lower part of described sealable tank 1 is fixed on steel tank 2 inwall by connecting element 10, sealable tank 1 can be prevented mobile in steel tank 2, avoid departing from of floating roof and departing from of collapsible hose.Fixed form can be used in the mode that Plastic Parts that sealable tank is suppressed or metal piece are connected with the metal piece on steel tank.The shape of sealable tank 1 is consistent with steel tank 2, and its volume size also can be slightly less than tank volume.
Described sealable tank 1 is the oil proof rubber sealable tank of top tape air bag 3, namely has air bag installing port at sealable tank 1 top, and installing port is double-deck oil proof rubber cloth structure, and air bag can be suppressed in the middle of oil proof rubber interlayer, and overall heat seal processes.Heat seal processing adopts the vibration of known high-voltage rectifying self-excitation high frequency electron tube to generate electromagnetic waves instantaneously current electric fields, utilize the interior molecules polarization frictional heat of processed plastic cement, the plastic material such as PVC, TPU, EVA, PET its plastic cement, plastic material in electromagnetic wave electric field, add plastics that certain pressure makes required heat seal and weld, effect that plastic cement products reaches welding sealing.Sealable tank 1 is main material by rubber elastomer (natural gum, polyurethane, viton, silica gel or other specific rubbers), strengthening cloth other special reinforcement cloth such as () nylon, terylene, glass fibres is skeleton, the oil resistant adhesive plaster material being processed into thickness different-thickness (0.2-5mm) is made, and has certain stretch-proof, anti tear, puncture resistant, the repeatedly folding performance such as can not to damage.The area of described air bag 3 is the 1/5-2/3 that sealable tank 1 tank body cross-sectional plane connects.Air bag can be integrated, and also can be made up of several air bags, air bag leave inflation inlet inflatable, installs so that bring in tank and uses.Air bag also can be processed separately, is fixed on sealable tank 1 top.Air bag can also replace with other materials, as Polyurethane foam or the large material of other buoyancy, is sealed in oil resistant adhesive plaster, makes folding shape to put into from manhole, be installed on sealable tank top.
Turnover oil pipe opening, liquidometer opening and vent 8 and manhole 9 is had at described steel oil tank 2 top.Described sealable tank 1 top is connected with the available flexible flexible pipe 6 be connected with steel oil tank oil pipe opening, liquidometer opening.Oil inlet 4 is inserted with and oil outlet pipe 5(also can separately insert with two telescopic pipes respectively in the flexible pipe being connected to oil pipe opening), be inserted with liquidometer 7 in the flexible pipe being connected to liquidometer opening.Vent 8 is discharged for the air outside sealable tank 1, and manhole 9 is for installing in tank or maintenance.When oil product liquid level in tank declines, the top of sealable tank is fallen after rise, and Telescopic flexible pipe extends, but ensures being tightly connected of sealable tank and steel tank, and air cannot be entered; When oil product liquid level in tank rises, the air bag of insufflation gas drives top to rise thereupon, and Telescopic flexible pipe compresses, and remain isolated air and be connected with steel tank, air cannot enter sealing bag.In the process, sealable tank can be out of shape, but owing to being fixed on steel body in middle and lower part, can ensure the stable of sealable tank position.
Described sealable tank 1 and corresponding Telescopic flexible pipe 6 can be made up of the material identical with sealable tank, also can the bellows made of other telescopic oil resisting materials.Its thickness can be selected thickness 0.2-5mm and have the oil resistant adhesive plasters such as the oil resistant TPU adhesive plaster of higher pulling strengrth, peel strength and puncture strength to make.
The present embodiment schematic diagram is horizontal tank, but is not limited only to this tank, is also suitable for other forms of as various forms such as upright tank, soccer star's tank, barrel-shaped tanks.
Claims (9)
1. a product tank loss-prevention device, comprise steel oil tank (2) and the sealable tank (1) in it is set, the top of described steel oil tank (2) has oil pipe opening, liquidometer opening and vent (8) and manhole (9), it is characterized in that: the top of described sealable tank (1) has inflatable air bag (3) as floating roof, described sealable tank (1) and the oil pipe opening on described steel oil tank (2), liquidometer opening is communicated with respectively by bellows (6), oil inlet (4) and oil outlet pipe (5) is inserted with in bellows (6), liquidometer (7) is inserted in sealable tank by the bellows connecting liquidometer opening.
2. product tank loss-prevention device according to claim 1, is characterized in that: the middle and lower part of described sealable tank (1) is fixed on steel tank (2) inwall by connecting element (10).
3. product tank loss-prevention device according to claim 1, is characterized in that: the shape of described sealable tank (1) is consistent with steel tank (2), and its volume size also can be more smaller than tank volume.
4. product tank loss-prevention device according to claim 1, is characterized in that: described sealable tank (1) top has air bag installing port, installing port is double-deck oil proof rubber cloth structure, and described air bag (3) also can be suppressed in the middle of oil proof rubber interlayer.
5. product tank loss-prevention device according to claim 1, it is characterized in that: described sealable tank (1) is main material by rubber elastomer, reinforcement cloth is carcasing, and thickness is 0.2-5mm.
6. product tank loss-prevention device according to claim 1, is characterized in that: the area of described air bag (3) is the 1/5-2/3 that sealable tank (1) tank body cross-sectional plane connects.
7. product tank loss-prevention device according to claim 1, is characterized in that: described air bag (3) can be integrated, also can be made up of several air bags, air bag leave inflation inlet inflatable.
8. product tank loss-prevention device according to claim 1, is characterized in that: described bellows (6) is bellows or the flexible pipe consistent with tank body material.
9. product tank loss-prevention device according to claim 1, is characterized in that: described sealable tank has higher pulling strengrth, peel strength and puncture strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410514543.5A CN105523300A (en) | 2014-09-30 | 2014-09-30 | Loss-prevention device for oil product tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410514543.5A CN105523300A (en) | 2014-09-30 | 2014-09-30 | Loss-prevention device for oil product tank |
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| CN105523300A true CN105523300A (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410514543.5A Pending CN105523300A (en) | 2014-09-30 | 2014-09-30 | Loss-prevention device for oil product tank |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455417A (en) * | 2018-11-29 | 2019-03-12 | 上海核工程研究设计院有限公司 | A kind of storage tank seal inflatable floating plate |
| CN110406828A (en) * | 2019-08-09 | 2019-11-05 | 中国电建集团核电工程有限公司 | Tank structure and its installation method |
| CN111017426A (en) * | 2019-12-31 | 2020-04-17 | 天津长瑞大通流体控制系统有限公司 | Zero leak fuel tank/transport canister for a vehicle and zero leak method |
| CN112520680A (en) * | 2020-11-15 | 2021-03-19 | 云南泰安工程技术咨询有限公司 | Air bag inflating lifting type closed manual oil metering port device of gas station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455417A (en) * | 2018-11-29 | 2019-03-12 | 上海核工程研究设计院有限公司 | A kind of storage tank seal inflatable floating plate |
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| CN111017426A (en) * | 2019-12-31 | 2020-04-17 | 天津长瑞大通流体控制系统有限公司 | Zero leak fuel tank/transport canister for a vehicle and zero leak method |
| CN112520680A (en) * | 2020-11-15 | 2021-03-19 | 云南泰安工程技术咨询有限公司 | Air bag inflating lifting type closed manual oil metering port device of gas station |
| CN112520680B (en) * | 2020-11-15 | 2022-09-13 | 云南泰安工程技术咨询有限公司 | Air bag inflating lifting type closed manual oil metering port device of gas station |
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Application publication date: 20160427 |