CN105151579B - A kind of oil and water displacement formula oil storage tank - Google Patents
A kind of oil and water displacement formula oil storage tank Download PDFInfo
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- CN105151579B CN105151579B CN201510544259.7A CN201510544259A CN105151579B CN 105151579 B CN105151579 B CN 105151579B CN 201510544259 A CN201510544259 A CN 201510544259A CN 105151579 B CN105151579 B CN 105151579B
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- oil
- storage tank
- oil storage
- housing
- column
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 17
- 239000013535 sea water Substances 0.000 claims abstract description 28
- 238000011084 recovery Methods 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 238000011109 contamination Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005192 partition Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 128
- 239000010779 crude oil Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- 230000005484 gravity Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The present invention provides a kind of oil and water displacement formula oil storage tank, including：Gap is provided between first housing and the second housing；Dividing plate is arranged on inside one end of the oil storage tank, for separating profit；Column is arranged on the middle part of the oil storage tank；Air inlet pipe is arranged on inside the column, for injecting air into the gap, there is provided buoyancy；Oil inlet pipe is arranged on inside the column, for the oiling into the second shell body；Oil spilling recovery port is arranged on the top side of first housing, for reclaiming oil spilling；Wherein, the dividing plate automatically adjusts spaced-apart locations to separate profit using buoyancy caused by profit density difference, it is ensured that oil storage is in isolation with seawater；The micro oil storage leaked into seawater is periodically reclaimed by oil spilling recovery port, avoids causing pollution of circulation；In this way, using double-shell structure, and the second housing does not contact directly with the external world, reduces damaged probability, reliability is high；The dividing plate utilizes buoyancy adjustment partition position caused by profit density difference, it is ensured that isolation effect.
Description
Technical field
The invention belongs to underwater oil-stocking equipment technical field, more particularly to a kind of oil and water displacement formula oil storage tank.
Background technology
At present, marine oil and gas gas-storing capacity is concentrated mainly on offshore sea waters, but if using defeated, the fixed storage tank platform of pipeline collection
Or individual well stores by the mode of ship to marine oil and gas, causes cost too high.Therefore, defeated cost is collected in order to reduce, it is proposed that
The underwater oil storage mode of production.
Underwater oil storage is divided into oil gas displacement type and oil and water displacement formula both of which, and oil and water displacement formula due to its economy and
Gravity buoyancy is easy to be widely used the characteristics of balance.Underwater oil storage tank storage oil product is mostly to condense crude oil, and tank structure is huge,
Structure is generally mono-hull, and the ability to ward off risks is weaker, once breakage occurs, easily seawater is polluted；Also, put in profit
In changing, part crude oil can discharge with seawater, cause pollution of circulation.In the prior art, oil isolated from water cloth is used in oil storage tank, will
Crude oil is kept apart with seawater, and into oil storage tank, oil is intake out during oiling, when discharging oil from inside to outside from tank water oil-feed go out, avoid oil
Water directly contacts.But all there is the problem of certain in the service life and reliability of isolation cloth, periodic maintenance is also cumbersome.
Based on this, need a kind of new oil and water displacement formula oil storage tank badly at present, marine oil and gas is stored.
The content of the invention
The problem of existing for prior art, the embodiments of the invention provide a kind of oil and water displacement formula oil storage tank, for solving
Certainly underwater oil-stocking equipment reliability is low in the prior art, and during oil and water displacement, part crude oil is easily discharged with seawater, and seawater is caused
The technical problem of pollution.
The present invention provides a kind of oil and water displacement formula oil storage tank, and the oil storage tank includes：
First housing, gap is provided between first housing and the second housing；
Dividing plate, the dividing plate is arranged on inside one end of the oil storage tank, for separating profit；
Column, the column are arranged on the middle part of the oil storage tank；
Air inlet pipe, the air inlet pipe are arranged on inside the column, for injecting air into the gap, there is provided floating
Power；
Oil inlet pipe, the oil inlet pipe are arranged on inside the column, for the oiling into the second shell body；
Oil spilling recovery port, the oil spilling recovery port is arranged on the top side of first housing, for reclaiming oil spilling；
Wherein, the dividing plate automatically adjusts spaced-apart locations to separate profit, really using buoyancy caused by profit density difference
Protect oil storage and be in isolation with seawater；The micro oil storage leaked into seawater is periodically reclaimed by oil spilling recovery port, avoids making
Into pollution of circulation.
In such scheme, the oil storage tank also includes：Oil inlet；Wherein,
The oil inlet is arranged on the side of the column, for being noted by the oil inlet pipe into second housing
Oil.
In such scheme, the oil storage tank also includes：Air inlet；Wherein,
The air inlet is arranged on the opposite side of the column, for injecting sky into the gap by the air inlet pipe
Gas.
In such scheme, the oil storage tank also includes：Water inlet；Wherein,
The water inlet is arranged on the bottom of first housing, for the water filling into the oil storage tank.
In such scheme, the oil storage tank also includes：First limited block, the second limited block and the 3rd limited block；Wherein,
First limited block, second limited block and the 3rd limited block are set in qually spaced on the dividing plate.
In such scheme, the water inlet includes：First water inlet, the second water inlet；Wherein,
First water inlet is arranged on the side of first housing bottom, and second water inlet is arranged on described
The opposite side of one housing bottom.
In such scheme, the oil storage tank also includes：Mooring point；Wherein, the mooring point is arranged on first housing
Surface, for fixing the oil storage tank.
The invention provides a kind of oil and water displacement formula oil storage tank, including：First housing, first housing and the second housing
Between be provided with gap；Dividing plate, the dividing plate is arranged on inside one end of the oil storage tank, for separating profit；Column, it is described
Column is arranged on the middle part of the oil storage tank；Air inlet pipe, the air inlet pipe are arranged on inside the column, for the gap
Interior injection air, there is provided buoyancy；Oil inlet pipe, the oil inlet pipe are arranged on inside the column, for into the second shell body
Oiling；Oil spilling recovery port, the oil spilling recovery port is arranged on the top side of first housing, for reclaiming oil spilling；Wherein,
Profit is separated by the dividing plate, it is ensured that oil storage is in isolation with seawater；By oil spilling recovery port, periodically recovery leaks into
Micro oil storage in seawater, avoids causing pollution of circulation；In this way, the oil storage tank uses double-shell structure, and the second housing is not
Directly contacted with the external world, reduce damaged probability, reliability is high；The dividing plate using buoyancy adjustment caused by profit density difference every
Board position, it is ensured that isolation effect；Even if there is a small amount of crude oil to be discharged to seawater in the gap of the first housing and second housing,
Periodically crude oil can be reclaimed by oil spilling recovery port, avoid causing pollution of circulation to seawater.
Brief description of the drawings
Fig. 1 is the single unit system structural representation of oil storage tank provided in an embodiment of the present invention.
Embodiment
Underwater oil-stocking equipment reliability is low in order to solve in the prior art, and during oil and water displacement, part crude oil is easily with seawater
Discharge, the technical problem polluted to seawater, the invention provides a kind of oil and water displacement formula oil storage tank, including：First housing,
Gap is provided between first housing and the second housing；It is dividing plate, the dividing plate is arranged on the inside one of the oil storage tank
End, for separating profit；Column, the column are arranged on the middle part of the oil storage tank；Air inlet pipe, the air inlet pipe are arranged on institute
State inside column, for injecting air into the gap, there is provided buoyancy；Oil inlet pipe, the oil inlet pipe are arranged on the column
Inside, for the oiling into the second shell body；Oil spilling recovery port, the oil spilling recovery port are arranged on the top of first housing
Portion side, for reclaiming oil spilling；Wherein, profit is separated by the dividing plate, it is ensured that oil storage is in isolation with seawater；Pass through
Oil spilling recovery port periodically reclaims the micro oil storage leaked into seawater, avoids causing pollution of circulation.
Technical scheme is described in further detail below by drawings and the specific embodiments.
The present embodiment provides a kind of oil and water displacement formula oil storage tank, as shown in figure 1, the oil storage tank includes：First housing 1,
Second housing 2, dividing plate 3；Wherein,
Gap is provided between the housing 2 of first housing 1 and second；The housing 2 of first housing 1 and second passes through company
Fitting connects, and the connector is non-pressure-resistance structure.The gap is used for stored air and water.Wherein, first housing 1
Bottom is connected with seawater, and when the oil storage tank sinks to certain depth of water, gap is inflated, and is provided for the oil storage tank floating
Power.
Here, because the main stress of the oil storage tank is smaller from water pressure, storm load, therefore the first housing 1 and the
Two housings 2 use non-pressure-resistant material.
But water density is small because oil density compares, with the increase of oil reserve, the increase of oil storage tank internal pressure；It is outside empty
Conductance causes the pressure increase of the first housing 1, and then the pressure increase for causing the second housing 2 to bear；With aeration quantity and oil reserve
Difference, certain pressure be present in the top area of the second housing 2.Therefore, will in the present embodiment in order to optimize oil storage jar structure
The top of second housing 2 is arranged to large radius sphere.
Similarly, source pressure external and internal pressure caused by inflation at the top of the first housing 1 is poor, and pressure is equal to and gas column
The pressure that contour water column is formed, therefore, in order to optimize oil storage jar structure, the top of the first housing 1 is set in the present embodiment
It is set to large radius sphere.
The dividing plate 3 is arranged on inside one end of second housing 2, close to the bottom of the second housing 2, for separating oil
Water；Wherein, the dividing plate 3 is sealing pressure-resistance structure, and the weight of dividing plate 3 arranges the centre of liquid weight for dividing plate in water and in oil
Value, the position of oil water surface is automatically adjusted in using buoyancy caused by profit density difference, ensures isolation effect.And in order to control
Liquefaction water engaging surface, the inwall of the housing 2 of dividing plate 3 and second keep certain gap.The dividing plate 3 is also pre-charged with a level pressure
The nitrogen of power, reduce the pressure that the dividing plate 3 is born.
Here, the value of the certain pressure is specially：When oil storage tank reaches the assigned work depth of water, oil storage tank pressure
Half.
Further, the oil storage tank also includes：Column 4；Wherein, the column 4 is arranged on the middle part of the oil storage tank,
It is vertical with the bottom of the oil storage tank；The column 4 plays guide and limit to the dividing plate 3.
The column 4 is internally provided with air inlet pipe and oil inlet pipe, and air inlet pipe is used to inject air into the gap, for storage
Oil tank provides buoyancy；Oil inlet pipe is used for the oiling into second housing 2.
Here, the oil storage tank also includes：Air inlet 5, oil inlet 6, oil spilling recovery port 7；Wherein,
The air inlet 5 includes：First air inlet 51, the second air inlet 52；First air inlet 51 is arranged on described
The side of column 4, for injecting air into the gap by the air inlet pipe.Second air inlet 52 is arranged on second
The side of housing 2, in order to ensure the security performance of oil storage tank.Specifically, if the first housing 1 is damaged, ruptured, the oil storage
The buoyancy of tank can be less than gravity, cause oil storage tank to sink, in order to ensure the safety of oil storage tank, can by the second air inlet 52 to
Injection air in second housing 2, ensure the buoyancy of oil storage tank.
The oil inlet 6 is arranged on the opposite side of the column 4, for by the oil inlet pipe to second housing 2
Middle oiling.
The oil spilling recovery port 7 is arranged on the top side of first housing 1, is specifically located at aqueous vapor interface, uses
In recovery oil spilling；Here, though have micro crude oil with seawater be discharged to the first housing 1 with the gap before second housing 2,
Because oil density is lighter than density of sea water, crude oil can be in the top aggregation in the first housing 1, then can passes through the oil spilling
The crude oil of the periodically recovery leakage of recovery port 7, avoids causing pollution of circulation to seawater.
The oil storage tank also includes：Water inlet 8, limited block 9, mooring point 10；Wherein,
The water inlet 8 includes：First water inlet 81, the second water inlet 82；Wherein, first water inlet 81 is arranged on
The side of the bottom of first housing 1, second water inlet 82 are arranged on the opposite side of the bottom of the first housing 1.Work as institute
When stating oil storage tank and being put into seawater, seawater flows to oil storage tank by the first water inlet 81, the second water inlet 82, ensures oil storage tank
Buoyancy reaches poised state with gravity.
The limited block 9 includes：First limited block 91 and the second limited block 92 and the 3rd limited block；First limited block
91st, second limited block 92 and the 3rd limited block are set in qually spaced on the dividing plate 3；Preferably, the first limited block
91 and second limited block 92 and the 3rd limited block be that equilateral triangle is arranged on the dividing plate 3.Here, the limited block 9 is used
In preventing the dividing plate 3 from moving up, the top of the second housing 2 is bumped against.
The mooring point 10 includes three, is set in qually spaced in the surface of first housing 1, when work water depth compared with
When shallow, gas flow is filled with by regulation, oil storage tank buoyancy is slightly larger than gravity, oil storage tank is fixed by mooring point 10, suction anchor
In the bottom；When the water depth that works is deeper, gas flow is filled with by regulation, buoyancy is slightly less than gravity, avoids the oil storage
Tank mooring swims in the water surface.
Oil and water displacement formula oil storage tank provided by the invention uses double-layer shell structure, and the second housing does not connect directly with the external world
Touch, reduce damaged probability, reliability is high, can significantly reduce oil product leakage danger coefficient, reduce the pollution to seawater.Utilize dividing plate
Separate profit, isolated location can be automatically adjusted, guarantee isolation effect, reduce leakage danger and oil product caused by product oil emulsification
Degenerate；Even if there is a small amount of crude oil to be discharged to the first housing with the gap of second housing, also can periodically pass through oil spilling with seawater
Recovery port reclaims to crude oil, avoids causing pollution of circulation to seawater.And the oil storage tank is fixed using mooring point, movement side
Just, different location, the working environment of different water depth are adapted to.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., it should be included in the protection of the present invention
Within the scope of.
Claims (7)
1. a kind of oil and water displacement formula oil storage tank, it is characterised in that the oil storage tank includes：
First housing, gap, first housing and second housing are provided between first housing and the second housing
For non-pressure-resistance structure；
Dividing plate, the dividing plate is arranged on inside one end of the oil storage tank, for separating profit；
Column, the column are arranged on the middle part of the oil storage tank；
Air inlet pipe, the air inlet pipe are arranged on inside the column, for injecting air into the gap, there is provided buoyancy；
Oil inlet pipe, the oil inlet pipe are arranged on inside the column, for the oiling into the second shell body；
Oil spilling recovery port, the oil spilling recovery port is arranged on the top side of first housing, for reclaiming oil spilling；
Wherein, the dividing plate automatically adjusts spaced-apart locations to separate profit using buoyancy caused by profit density difference, it is ensured that storage
Oil is in isolation with seawater；The micro oil storage leaked into seawater is periodically reclaimed by oil spilling recovery port, avoids causing to tire out
Contamination contaminates.
2. oil storage tank as claimed in claim 1, it is characterised in that the oil storage tank also includes：Oil inlet；Wherein,
The oil inlet is arranged on the side of the column, for passing through oil inlet pipe oiling into second housing.
3. oil storage tank as claimed in claim 1, it is characterised in that the oil storage tank also includes：Air inlet；Wherein,
The air inlet is arranged on the opposite side of the column, for injecting air into the gap by the air inlet pipe.
4. oil storage tank as claimed in claim 1, it is characterised in that the oil storage tank also includes：Water inlet；Wherein,
The water inlet is arranged on the bottom of first housing, for the water filling into the oil storage tank.
5. oil storage tank as claimed in claim 1, it is characterised in that the oil storage tank also includes：It is first limited block, second spacing
Block and the 3rd limited block；Wherein,
First limited block, second limited block and the 3rd limited block are set in qually spaced on the dividing plate.
6. oil storage tank as claimed in claim 4, it is characterised in that the water inlet includes：First water inlet, the second water inlet
Mouthful；Wherein,
First water inlet is arranged on the side of first housing bottom, and second water inlet is arranged on the first shell
The opposite side of body bottom.
7. oil storage tank as claimed in claim 1, it is characterised in that the oil storage tank also includes：Mooring point；Wherein, the system
Pool point is arranged on the surface of first housing, for fixing the oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510544259.7A CN105151579B (en) | 2015-08-28 | 2015-08-28 | A kind of oil and water displacement formula oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510544259.7A CN105151579B (en) | 2015-08-28 | 2015-08-28 | A kind of oil and water displacement formula oil storage tank |
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| Publication Number | Publication Date |
|---|---|
| CN105151579A CN105151579A (en) | 2015-12-16 |
| CN105151579B true CN105151579B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510544259.7A Active CN105151579B (en) | 2015-08-28 | 2015-08-28 | A kind of oil and water displacement formula oil storage tank |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586307B (en) * | 2017-01-10 | 2018-09-28 | 中冶赛迪工程技术股份有限公司 | Underwater suspended seawater jacks oil storage tank |
| CN111453229A (en) * | 2020-05-20 | 2020-07-28 | 李坤隆 | Underwater oil storage facility and underwater oil storage method |
| CN113232791A (en) * | 2021-06-25 | 2021-08-10 | 西南石油大学 | Underwater large-scale oil-water replacement oil storage and discharge method suitable for offshore oil development |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435793A (en) * | 1967-04-11 | 1969-04-01 | Wood B Shurtleff | Portable submarine tanks |
| GB1467238A (en) * | 1973-03-21 | 1977-03-16 | British Petroleum Co | Oil storage tank |
| US4365576A (en) * | 1980-07-21 | 1982-12-28 | Cook, Stolowitz And Frame | Offshore submarine storage facility for highly chilled liquified gases |
| CN2818385Y (en) * | 2005-05-27 | 2006-09-20 | 中国石化集团胜利石油管理局钻井工艺研究院 | Separated storage tank for replacing oil and water under water |
| CN202864132U (en) * | 2012-04-23 | 2013-04-10 | 江阴市东发机械设备制造有限公司 | Underwater oil storage tank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020028606A (en) * | 2000-10-11 | 2002-04-17 | 김형벽ㅂ | Bottomless spar-type Oil Storage Tank |
-
2015
- 2015-08-28 CN CN201510544259.7A patent/CN105151579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435793A (en) * | 1967-04-11 | 1969-04-01 | Wood B Shurtleff | Portable submarine tanks |
| GB1467238A (en) * | 1973-03-21 | 1977-03-16 | British Petroleum Co | Oil storage tank |
| US4365576A (en) * | 1980-07-21 | 1982-12-28 | Cook, Stolowitz And Frame | Offshore submarine storage facility for highly chilled liquified gases |
| CN2818385Y (en) * | 2005-05-27 | 2006-09-20 | 中国石化集团胜利石油管理局钻井工艺研究院 | Separated storage tank for replacing oil and water under water |
| CN202864132U (en) * | 2012-04-23 | 2013-04-10 | 江阴市东发机械设备制造有限公司 | Underwater oil storage tank |
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| CN105151579A (en) | 2015-12-16 |
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Address after: No. 999, Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430074 Patentee after: HUBEI MARINE ENGINEERING EQUIPMENT RESEARCH INSTITUTE Co.,Ltd. Address before: 430074 block 25, zone 3, 3S earth information industrial base, Wuhan University Science Park, Donghu Development Zone, Wuhan City, Hubei Province Patentee before: HUBEI MARINE ENGINEERING EQUIPMENT RESEARCH INSTITUTE Co.,Ltd. |
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