CN107237976A - Metal full appearance tank - Google Patents
Metal full appearance tank Download PDFInfo
- Publication number
- CN107237976A CN107237976A CN201611244777.8A CN201611244777A CN107237976A CN 107237976 A CN107237976 A CN 107237976A CN 201611244777 A CN201611244777 A CN 201611244777A CN 107237976 A CN107237976 A CN 107237976A
- Authority
- CN
- China
- Prior art keywords
- tank
- container
- full appearance
- outer container
- metal full
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 36
- 239000012774 insulation material Substances 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000011494 foam glass Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910001566 austenite Inorganic materials 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/04—Vessels not under pressure with provision for thermal insulation by insulating layers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a kind of metal full appearance tank, including primary tank, the secondary container that is arranged at the outer container of primary tank periphery and is arranged at intervals between the primary tank and outer container；The top of outer container is provided with the outer top cover of arch, and the top of secondary container is provided with the secondary top cover of arch.In the metal full appearance tank of the present invention, the support of the top of secondary container without ceiling structure, it is to avoid outer container bears larger power, it is ensured that the stability of tank top structure also simplify the operation of construction and installation at the top of full appearance tank；Closed space can be formed between outer container and secondary container simultaneously, insulation material can wherein be filled, when primary tank is leaked, secondary container can contain medium and realize sealing, its outside insulation material can completely cut off the transmission of external heat again, thus full appearance tank obstructs heat transfer while preventing medium from occurring and revealing again；To sum up the top constructing operation of metal full appearance tank of the invention is simple, and top structure is stable, and storage tank overall security is higher.
Description
Technical field
The present invention relates to low temperature, deep cooling medium storage facilities field, more particularly to a kind of metal full appearance tank.
Background technology
Compared with single appearance tank, full appearance tank need not set cofferdam, can efficiently reduce floor space, with higher safety
Property；Metal full appearance tank can overcome the big shortcoming of costly concrete full appearance tank, construction period length, equipment investment again simultaneously, because
And metal full appearance tank is in actual applications, increasingly favored by clients such as middle-size and small-size receiving station, liquefaction plant, peak regulation stations, city
Field has a high potential.
The top of existing metal full appearance tank is ceiling structure, and the furred ceiling flat board of inner canister is hung outside by some pull bars
The top of tank, is also equipped with insulation material, the power for causing tank top to be born is larger, and this is not only increased on furred ceiling flat board in addition
The difficulty of construction, and the easily overall stability of influence full appearance tank.
The content of the invention
It is an object of the invention to provide a kind of construction of top structure is simple and the higher metal full appearance tank of stability.
To reach above-mentioned purpose, the present invention provides a kind of metal full appearance tank, including primary tank, is arranged at the primary tank
The outer container of periphery and the secondary container being arranged at intervals between the primary tank and outer container；The top of the outer container is provided with
The outer top cover of arch, the top of described container is provided with the secondary top cover of arch.
Preferably, cold insulation material formation heat insulation layer is filled between the outer container and described container.
Preferably, between the outer container and described container sidepiece interlayer and the outer top cover and described top cover
Between be equipped with the heat insulation layer.
Preferably, the top of the primary tank is open, and the top of the primary tank is not higher than the bottom of described top cover.
Preferably, the sidepiece interlayer between the primary tank and described container is hollow.
Preferably, the cold insulation material is pearlife, and the gap between the pearlife is filled with nitrogen.
Preferably, the outer container and time container include cylinder and bottom plate, and the bottom plate of the outer container holds with described time
Thermal insulation layer is provided between the bottom plate of device.
Preferably, the thermal insulation layer is provided between the bottom plate of described container and the bottom of the primary tank.
Preferably, the thermal insulation layer includes foam glass brick layer and reinforced concrete floor.
Preferably, the primary tank and time container are made by austenitic stainless steel or 9%Ni steel, and the outer container is by low
Steel alloy or carbon steel are made.
As shown from the above technical solution, beneficial effects of the present invention are：
In the metal full appearance tank of the present invention, the top of secondary container is provided with the secondary top cover of arch, the support without ceiling structure, it is to avoid
Outer container bears larger power, it is ensured that the stability of tank top structure, also simplify the behaviour of construction and installation at the top of full appearance tank
Make；Closed space can be formed between outer container and secondary container simultaneously, wherein insulation material can be filled, when primary tank is let out
During leakage, secondary container can contain medium and realize sealing, and its outside insulation material can completely cut off the transmission of external heat again, thus entirely
Hold tank and obstruct heat transfer while preventing medium from occurring and revealing again, to sum up the top construction behaviour of metal full appearance tank of the invention
Make simple, top structure is stable, storage tank overall security is higher.
Brief description of the drawings
Fig. 1 is the structural representation of metal full appearance tank embodiment of the present invention.
Description of reference numerals is as follows：1st, metal full appearance tank；11st, outer container；111st, outer cylinder body；112nd, Outer Bottom Plating；113rd, it is outer
Top cover；12nd, secondary container；121st, secondary cylinder；122nd, secondary top cover；123rd, secondary bottom plate；13rd, primary tank；131st, T-shaped stiffening ring；132、
Yi word pattern stiffening ring；14th, heat insulation layer；15th, thermal insulation layer.
Embodiment
Embodying the exemplary embodiment of feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and theory therein
Bright and diagram is treated as purposes of discussion in itself, and is not used to the limitation present invention.
In order to further illustrate the principle and structure of the present invention, the preferred embodiments of the present invention are carried out in conjunction with accompanying drawing detailed
Describe in detail bright.
The present invention provides a kind of metal full appearance tank, and the normal pressure available for the low temperature such as below 30000m3 LNG, deep cooling medium is stored up
Deposit, be mainly used in the engineering projects such as receiving station, liquefaction plant, gas peak regulation.
Refering to Fig. 1, the metal full appearance tank 1 of the present embodiment mainly includes：Outer container 11, secondary container 12 and primary tank 13.Its
In, primary tank 13 is mainly used in containing cryogenic media, and outer container 11 is arranged on the periphery of primary tank 13, and secondary container 12 is arranged at intervals
Between primary tank 13 and outer container 11.
Outer container 11 includes outer cylinder body 111 and is arranged on the Outer Bottom Plating 112 of the bottom of outer cylinder body 111.Outer cylinder body 111 is cylinder
Shape structure, its top is provided with the outer top cover 113 of arch；The material selection of outer container 11 can bear full appearance tank and install ground extremely most
The low-alloy steel or carbon steel of low ambient temperature.
Secondary container 12 is sealing structure, and it is made from low temperature resistant austenitic stainless steel or 9% nickel steel.Secondary container 12 can
Cryogenic media for the leakage of splendid attire, it is to avoid deep cooling medium directly contacts with outer container 11 and makes outer container 11 by cold cracking,
The integrally-built stability of full appearance tank can be ensured.
The main part of secondary container 12 is the secondary cylinder 121 of cylindrical structural, time of the top provided with arch of secondary cylinder 121
Top cover 122, bottom is provided with the secondary bottom plate 123 of tabular, and it is closed that secondary cylinder 121, secondary top cover 122 collectively constitute one with time bottom plate 123
Space.The sealedly secondary connection for not forming gas phase between container 12 and outer container 11, thus the cryogenic gas in secondary container 12
It will not enter in outer container 11.
In the present embodiment, secondary top cover 122 is set directly on time cylinder 121, just need not so be set pull bar and be hung
Top is connected with the outer top cover 113 of outer container 11, so that larger pulling force is born at the top for avoiding outer container 11, it is ensured that tank body
Top it is firm, and simplify the operation of construction and installation at the top of full appearance tank.
Primary tank 13 is vertical flat-bottom cylindrical structural, and its top is open, thus without bearing gaseous pressure.With secondary container
12 is identical, and primary tank 13 is also made of low temperature resistant austenitic stainless steel or 9% nickel steel.
The cylinder inner surface of primary tank 13 is provided with stiffening ring, and stiffening ring is divided into T-shaped stiffening ring 131 and yi word pattern stiffening ring
132, the two is used to improve the integrally-built stability of primary tank 13.
In the metal full appearance tank 1 of the present embodiment, primary tank 13 adds including T-shaped a stiffening ring 131 and multiple yi word patterns
Strong circle 132.Wherein, T-shaped stiffening ring 131 this be arranged on the top of primary tank 13, multiple yi word pattern stiffening rings 132 are arranged on T-shaped
The lower section of stiffening ring 131, and be arranged at intervals along the short transverse of primary tank 13.
In addition, metal full appearance tank 1 also includes heat insulation layer 14, heat insulation layer 14 is to be filled between outer container 11 and secondary container 12
Cold insulation material.The cold insulation material is to be also filled with drying in the pearlife of excellent heat insulating performance, the gap between pearlife
Nitrogen, heat-insulating property is reduced for preventing cold insulation material from making moist.
More preferably, the sidepiece interlayer in the present embodiment between outer container 11 and secondary container 12, and outer top cover 113 and time top
Heat insulation layer 14 is equipped between lid 122.So when primary tank 13 is leaked, the boil-off gas that cryogenic media is produced is in primary tank
After 13 tops are assembled, cold will not be transferred on outer top cover 113, prevent outer top cover 113 is cooled from rupturing, be further ensured that
During accident conditions, the stability of outer jar structure.
The metal full appearance tank 1 of the present embodiment is in normal operating conditions, the built-in liquid medium for having low temperature of primary tank 13,
The secondary container 12 of its peripheral closed structure can bear corresponding gaseous pressure.Secondary container 12 can be by low temperature gas present in tank body
Body is contained in its confined space, it is to avoid cryogenic gas is flowed into outer container 11, make steel outer container 11 occur cracking or
The situation of deformation.
When accident conditions occurs for metal full appearance tank 1, i.e., when primary tank 13 is leaked, the secondary container 12 of sealing structure can be contained
Whole cryogenic liquids are filled, and gas phase realizes sealing, it is to avoid the outflow of liquid, the adverse effect that reduction accident conditions is brought.
The cryogenic liquid leaked from primary tank 13 is contacted with time container 12 simultaneously after, the relatively low evaporation of temperature can be produced
Gas.Due to secondary container 12 periphery be coated on completely in thermal insulation heat insulation layer 14 of good performance, thus with existing full appearance tank phase
Than the amount for the low-temperature evaporation gas that the metal full appearance tank 1 of the present embodiment is produced when leaking is less.
The top of primary tank 13 is not higher than the bottom of time top cover 122 so that have between the secondary top of container 12 and primary tank 13
There is larger gas-phase space, therefore larger accommodation space is provided for the boil-off gas that cryogenic media is produced.Low-temperature evaporation gas exists
After the top of primary tank 13 is gradually assembled, discharged eventually through the pipeline connected with external environment.
It should be noted that in the present embodiment metal full appearance tank 1, the sidepiece interlayer between primary tank 13 and secondary container 12 is
It is hollow, wherein being not filled with cold insulation material.Therefore primary tank 13 is without bearing lateral pressure of the cold insulation material to its side wall, also simultaneously
The construction cost of full appearance tank can be reduced on the premise of tank body security performance is not reduced.
When occurring leakage accident, cryogenic media will not also be contacted with cold insulation material, it is possible to reduce the steaming of cryogenic media
Hair consume；Cold insulation material can also be avoided to be immersed in cryogenic media simultaneously, cause tank top to lack cold insulation material
Expect and directly contacted with cryogenic media and cause the problem of cold impacts；In addition it can also avoid liquid low temperature medium existing due to siphon
As and reach outer container 11 and low-temperature impact caused to outer container 11.
In addition, in order to which cold is transferred to Outer Bottom Plating by the cryogenic media for preventing primary tank 13 from storing by the bottom of container
112, Outer Bottom Plating 112 is cooled damage, be provided with thermal insulation layer 15 in the present embodiment between Outer Bottom Plating 112 and secondary bottom plate 123.Thermal insulation layer
15 can form barrier between the bottom of primary tank 13 and secondary container 12, and the thermal insulation layer 15 includes foam glass brick layer and reinforcing bar
Concrete layer, depending on the thickness of the two can be according to the insulation requirement of reality and the size of metal full appearance tank 1.
In thermal insulation layer 15, the reinforced concrete floor with certain degree of hardness can be levelling and evenly distributes load, therefore, laying
Full appearance tank bottom thermal insulation layer 15 except preventing heat transfer to tank body, additionally it is possible to play the effect of pressure-bearing load-carrying.
Further, the thermal insulation layer 15 also is provided between the bottom of secondary bottom plate 123 and primary tank 13, on the one hand can enters one
Step strengthens the effect that isolation cold is transferred to outer container 11, on the other hand can also prevent the heat of external environment from passing through full appearance tank
Bottom conductive is into primary tank 13, in order to avoid cryogenic media is caused by the situation of thermal evaporation.
It can be seen that, in the metal full appearance tank of the present embodiment, the top of secondary container is provided with the secondary top cover of arch, without ceiling structure
Support, outer container can be avoided to bear larger power, it is ensured that the stability of tank top structure, simplified at the top of full appearance tank
The operation of construction and installation, also saves the material of tank body construction；Closed space can be formed between outer container and secondary container simultaneously,
Insulation material can be wherein filled, when primary tank is leaked, secondary container can contain medium and realize sealing, its outside guarantor
Adiabator can completely cut off the transmission of external heat, thus full appearance tank barrier heat biography while preventing medium from occurring to reveal again again
Pass, to sum up the top constructing operation of metal full appearance tank of the invention is simple, top structure is stable, storage tank overall security is higher.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Exemplary and nonrestrictive term.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above-mentioned embodiment is not limited to any foregoing details, and should be limited in appended claims
Widely explained in spirit and scope, thus the whole changes fallen into claim or its equivalent scope and remodeling all should be with
Attached claim is covered.
Claims (10)
1. a kind of metal full appearance tank, it is characterised in that including primary tank, be arranged at the primary tank periphery outer container and
It is arranged at intervals at the secondary container between the primary tank and outer container；The top of the outer container is provided with the outer top cover of arch, described
The top of secondary container is provided with the secondary top cover of arch.
2. metal full appearance tank according to claim 1, it is characterised in that filled between the outer container and described container
Cold insulation material formation heat insulation layer.
3. metal full appearance tank according to claim 1, it is characterised in that the side between the outer container and described container
The heat insulation layer is equipped between portion's interlayer and the outer top cover and described top cover.
4. metal full appearance tank according to claim 1, it is characterised in that the top of the primary tank is open, the primary tank
Top be not higher than the bottom of described top cover.
5. metal full appearance tank according to claim 1, it is characterised in that the side between the primary tank and described container
Portion's interlayer is hollow.
6. metal full appearance tank according to claim 1, it is characterised in that the cold insulation material is pearlife, the pearly-lustre
Gap between sand is filled with nitrogen.
7. metal full appearance tank according to claim 1, it is characterised in that the outer container and time container include cylinder and
Thermal insulation layer is provided between the bottom plate of bottom plate, the bottom plate of the outer container and described container.
8. metal full appearance tank according to claim 7, it is characterised in that the bottom plate of described container and the primary tank
The thermal insulation layer is provided between bottom.
9. the metal full appearance tank according to claim 7 or 8, it is characterised in that the thermal insulation layer includes foam glass brick layer
And reinforced concrete floor.
10. metal full appearance tank according to claim 1, it is characterised in that the primary tank and time container are by austenite
Stainless steel or 9%Ni steel are made, and the outer container is made up of low-alloy steel or carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244777.8A CN107237976A (en) | 2016-12-29 | 2016-12-29 | Metal full appearance tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244777.8A CN107237976A (en) | 2016-12-29 | 2016-12-29 | Metal full appearance tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107237976A true CN107237976A (en) | 2017-10-10 |
Family
ID=59982981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611244777.8A Pending CN107237976A (en) | 2016-12-29 | 2016-12-29 | Metal full appearance tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692515A (en) * | 2020-07-14 | 2020-09-22 | 中海石油气电集团有限责任公司 | LNG storage tank and LNG tank deck structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372903A (en) * | 1972-02-16 | 1974-11-06 | Chicago Bridge & Iron Co | Offshore storage tanks |
| US4041722A (en) * | 1975-09-26 | 1977-08-16 | Pittsburgh-Des Moines Steel Company | Impact resistant tank for cryogenic fluids |
| JPS54127022A (en) * | 1978-03-25 | 1979-10-02 | Ishikawajima Harima Heavy Ind Co Ltd | Low-temperature tank |
| GB8315344D0 (en) * | 1982-06-05 | 1983-07-06 | Kawasaki Heavy Ind Ltd | Double shell low temperature storage tank |
| CN103133863A (en) * | 2013-01-16 | 2013-06-05 | 中国五环工程有限公司 | Low-temperature liquefied gas full containing pot structure |
| CN204187264U (en) * | 2014-10-08 | 2015-03-04 | 中国海洋石油总公司 | A kind of special-shaped self-support type LNG storage tank being applicable to concrete caisson |
| CN206369079U (en) * | 2016-12-29 | 2017-08-01 | 荆门宏图特种飞行器制造有限公司 | Metal full appearance tank |
-
2016
- 2016-12-29 CN CN201611244777.8A patent/CN107237976A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372903A (en) * | 1972-02-16 | 1974-11-06 | Chicago Bridge & Iron Co | Offshore storage tanks |
| US4041722A (en) * | 1975-09-26 | 1977-08-16 | Pittsburgh-Des Moines Steel Company | Impact resistant tank for cryogenic fluids |
| JPS54127022A (en) * | 1978-03-25 | 1979-10-02 | Ishikawajima Harima Heavy Ind Co Ltd | Low-temperature tank |
| GB8315344D0 (en) * | 1982-06-05 | 1983-07-06 | Kawasaki Heavy Ind Ltd | Double shell low temperature storage tank |
| CN103133863A (en) * | 2013-01-16 | 2013-06-05 | 中国五环工程有限公司 | Low-temperature liquefied gas full containing pot structure |
| CN204187264U (en) * | 2014-10-08 | 2015-03-04 | 中国海洋石油总公司 | A kind of special-shaped self-support type LNG storage tank being applicable to concrete caisson |
| CN206369079U (en) * | 2016-12-29 | 2017-08-01 | 荆门宏图特种飞行器制造有限公司 | Metal full appearance tank |
Non-Patent Citations (1)
| Title |
|---|
| 陈国邦等, 中国建筑工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692515A (en) * | 2020-07-14 | 2020-09-22 | 中海石油气电集团有限责任公司 | LNG storage tank and LNG tank deck structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171010 |