CN110906159B - Storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon - Google Patents
Storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon Download PDFInfo
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- CN110906159B CN110906159B CN201911130686.5A CN201911130686A CN110906159B CN 110906159 B CN110906159 B CN 110906159B CN 201911130686 A CN201911130686 A CN 201911130686A CN 110906159 B CN110906159 B CN 110906159B
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- storage tank
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- cold insulation
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- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 22
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 22
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 239000012774 insulation material Substances 0.000 claims abstract description 31
- 239000004642 Polyimide Substances 0.000 claims abstract description 7
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 7
- 229920001721 polyimide Polymers 0.000 claims abstract description 7
- 229910000712 Boron steel Inorganic materials 0.000 claims abstract description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 239000011651 chromium Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 23
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 239000011494 foam glass Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 239000001993 wax Substances 0.000 claims description 10
- 150000002500 ions Chemical class 0.000 claims description 9
- 150000001450 anions Chemical class 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- BHTBHKFULNTCHQ-UHFFFAOYSA-H zinc;tin(4+);hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Sn+4] BHTBHKFULNTCHQ-UHFFFAOYSA-H 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
-
- 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a method for low-temperature normal-pressure storage of liquid light hydrocarbon, which comprises the steps of enabling a storage tank to be a three-layer mixed-wall flat-bottom cylindrical storage tank, enabling an inner-layer wall to be made of 22MnB5 boron steel, enabling an outer-layer wall to be made of high-chromium cast iron, enabling a middle layer to be made of polyimide engineering plastic, enabling the middle layer to be provided with meshes with the diameters of 2-4cm, enabling the number of the meshes per square meter to be 180-220, filling a cold insulation material A between the middle layer and the inner-layer wall, and filling a cold insulation material B between the middle layer and the outer-layer wall. The storage tank for low-temperature normal-pressure storage of the liquid light hydrocarbon provided by the invention has the advantages of stable structure, high safety performance and especially excellent heat preservation performance, can effectively avoid the dissipation of heat inside the storage tank, and reduces the energy consumption of a refrigerator.
Description
Technical Field
The invention belongs to the technical field of liquid light hydrocarbon storage, and particularly relates to a storage tank for low-temperature and normal-pressure storage of liquid light hydrocarbon.
Background
The "hydrocarbon" is a substance formed by mixing two elements of carbon and hydrogen in different proportions, wherein the lighter part is called light hydrocarbon. The main components of natural gas are C1 methane and small amount of C2 ethane, and the main components of liquefied petroleum gas are C3 propane and C4 butane, which are gaseous light hydrocarbons at normal temperature and pressure. The hydrocarbon of C5-C16 is liquid at normal temperature and pressure, and is called liquid light hydrocarbon, which is always coexisted with petroleum and natural gas. The liquid light hydrocarbon is the main raw material for preparing fuel gas. In the prior art, the storage methods of liquid light hydrocarbon include a normal-temperature high-pressure storage method and a low-temperature normal-pressure storage method, and because the liquid hydrocarbon is easy to leak in the normal-temperature high-pressure storage method and the probability of explosion after leakage is relatively high, most of the existing methods adopt the low-temperature normal-pressure storage method and are suitable for storing large-scale liquid hydrocarbon. In the low-temperature normal-pressure storage, the most important thing is to promote the thermal insulation performance of the storage tank, and the storage tank in the prior art has the technical defects of poor thermal insulation effect and more energy consumption, so that the storage cost is higher.
Disclosure of Invention
In order to solve the technical problems, the invention provides a storage tank for low-temperature and normal-pressure storage of liquid light hydrocarbon.
The invention is realized by the following technical scheme.
The storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon is a three-layer mixed-wall flat-bottom cylindrical storage tank, the inner wall of the storage tank is made of 22MnB5 boron steel, the outer wall of the storage tank is made of high-chromium cast iron, the middle layer of the storage tank is made of polyimide engineering plastic, the middle layer of the storage tank is provided with meshes with the diameter of 2-4cm, the number of the meshes per square meter is 180-220, a cold insulation material A is filled between the middle layer and the inner wall layer, and a cold insulation material B is filled between the middle layer and the outer wall layer, wherein the cold insulation material A is prepared from the following components in parts by weight: 18-22 parts of zinc hydroxystannate, 39-45 parts of alumina balls and 27-30 parts of epoxy resin adhesive; the cold insulation material B is prepared from the following components in parts by weight: 38-42 parts of foam glass particles, 11-15 parts of floor wax and 14-20 parts of anion powder.
Specifically, the distance between the inner wall layer and the middle layer is 1-1.5cm, the distance between the outer wall layer and the middle layer is 1.5-2cm, and the thicknesses of the inner wall layer, the middle layer and the outer wall layer are all 1 cm.
Specifically, the average particle diameter of the alumina spheres is 3-5mm, and the specific surface area is 400m2Water content was 0.8% per gram.
Specifically, the average particle size of the foam glass particles is 7 to 15 mm.
Specifically, the floor wax is prepared by mixing 98% by mass of microcrystalline ozokerite with a dropping point of 65 ℃ as a main raw material, 1.5% by mass of paraffin with a dropping point of 55 ℃ and 0.5% by mass of petroleum solvent.
Specifically, the average particle diameter of the negative ion powder is 6 μm, and the hydroxyl negative ion emission capacity is 8000 pieces/cm3。
According to the technical scheme, the beneficial effects of the invention are as follows:
the storage tank for low-temperature normal-pressure storage of the liquid light hydrocarbon provided by the invention has the advantages of stable structure, high safety performance and especially excellent heat preservation performance, can effectively avoid the dissipation of heat inside the storage tank, and reduces the energy consumption of a refrigerator. The storage tank is provided with a three-layer structure, the inner wall layer and the outer wall layer have excellent mechanical properties and high strength, the safety performance of the storage tank can be guaranteed, and the middle layer is made of polyimide engineering plastic and has excellent heat insulation performance and low heat transfer coefficient. The cold insulation material A between the middle layer and the inner wall layer can still keep lower heat conductivity in a low-temperature environment, has stable property, is not easy to expand in the using process, has longer cold insulation effect duration and extremely excellent waterproof performance, and water vapor formed in a gap between the middle layer and the inner wall layer is not easy to adhere to the cold insulation material A; cold insulation material B can effectually avoid the thermal convection phenomenon to take place to can guarantee that the intraformational molecular heat of intermediate level and outer wall moves comparatively slowly, the effectual heat of having avoided spreading into of outside, promoted the effect of cold insulation.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but those skilled in the art will appreciate that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
Example 1
The utility model provides a liquid light hydrocarbon low temperature atmospheric pressure is stored and is used storage tank, the storage tank is the flat-bottomed cylindrical storage tank of three-layer mixed wall, and the inlayer wall is 22MnB5 boron steel material, and the outer wall layer is high chromium cast iron material, and the intermediate level is polyimide engineering plastics material, and the intermediate level is for last mesh of having seted up the diameter for 2cm, and the figure of every square meter mesh is 180, wherein, it has cold insulation material A to fill between intermediate level and the inner wall layer, it has cold insulation material B to fill between intermediate level and the outer wall layer, wherein cold insulation material A is made by following parts by weight's component: 18 parts of zinc hydroxystannate, 39 parts of alumina balls and 27 parts of epoxy resin adhesive; the cold insulation material B is prepared from the following components in parts by weight: 38 parts of foam glass particles, 11 parts of floor wax and 14 parts of anion powder.
Specifically, the distance between the inner wall layer and the middle layer is 1cm, the distance between the outer wall layer and the middle layer is 1.5cm, and the thicknesses of the inner wall layer, the middle layer and the outer wall layer are all 1 cm.
Specifically, the average particle size of the alumina spheres is 3mm, and the specific surface area is 400m2Water content was 0.8% per gram.
Specifically, the average particle size of the above foam glass particles is 7 mm.
Specifically, the floor wax is prepared by mixing 98% by mass of microcrystalline ozokerite with a dropping point of 65 ℃ as a main raw material, 1.5% by mass of paraffin with a dropping point of 55 ℃ and 0.5% by mass of petroleum solvent.
Specifically, the average particle diameter of the negative ion powder is 6 μm, and the hydroxyl negative ion emission capacity is 8000 pieces/cm3。
Example 2
The utility model provides a liquid light hydrocarbon low temperature atmospheric pressure is stored and is used storage tank, the storage tank is the flat-bottomed cylindrical storage tank of three-layer mixed wall, and the inlayer wall is 22MnB5 boron steel material, and the outer wall layer is high chromium cast iron material, and the intermediate level is polyimide engineering plastics material, and the intermediate level is for last mesh of having seted up the diameter for 3cm, and the number of every square meter mesh is 200, wherein, it has cold insulation material A to fill between intermediate level and the inner wall layer, it has cold insulation material B to fill between intermediate level and the outer wall layer, wherein cold insulation material A is made by following parts by weight's component: 20 parts of zinc hydroxystannate, 42 parts of alumina balls and 28 parts of epoxy resin adhesive; the cold insulation material B is prepared from the following components in parts by weight: 40 parts of foam glass particles, 13 parts of floor wax and 16 parts of anion powder.
Specifically, the distance between the inner wall layer and the middle layer is 1.3cm, the distance between the outer wall layer and the middle layer is 1.8cm, and the thicknesses of the inner wall layer, the middle layer and the outer wall layer are all 1 cm.
Specifically, the average particle size of the alumina spheres is 4mm, and the specific surface area is 400m2Water content was 0.8% per gram.
Specifically, the average particle size of the above foam glass particles is 10 mm.
Specifically, the floor wax is prepared by mixing 98% by mass of microcrystalline ozokerite with a dropping point of 65 ℃ as a main raw material, 1.5% by mass of paraffin with a dropping point of 55 ℃ and 0.5% by mass of petroleum solvent.
Specifically, the average particle diameter of the negative ion powder is 6 μm, and the hydroxyl negative ion emission capacity is 8000 pieces/cm3。
Example 3
The utility model provides a liquid light hydrocarbon low temperature atmospheric pressure is stored and is used storage tank, the storage tank is the flat-bottomed cylindrical storage tank of three-layer mixed wall, and the inlayer wall is 22MnB5 boron steel material, and the outer wall layer is high chromium cast iron material, and the intermediate level is polyimide engineering plastics material, and the intermediate level is for last mesh of having seted up the diameter for 4cm, and the number of every square meter mesh is 220, wherein, it has cold insulation material A to fill between intermediate level and the inner wall layer, and it has cold insulation material B to fill between intermediate level and the outer wall layer, and wherein cold insulation material A is made by following parts by weight's component: 22 parts of zinc hydroxystannate, 45 parts of alumina balls and 30 parts of epoxy resin adhesive; the cold insulation material B is prepared from the following components in parts by weight: 42 parts of foam glass particles, 15 parts of floor wax and 20 parts of anion powder.
Specifically, the distance between the inner wall layer and the middle layer is 1.5cm, the distance between the outer wall layer and the middle layer is 2cm, and the thicknesses of the inner wall layer, the middle layer and the outer wall layer are all 1 cm.
Specifically, the average particle size of the alumina spheres is 5mm, and the specific surface area is 400m2Water content was 0.8% per gram.
Specifically, the average particle size of the above foam glass particles is 15 mm.
Specifically, the floor wax is prepared by mixing 98% by mass of microcrystalline ozokerite with a dropping point of 65 ℃ as a main raw material, 1.5% by mass of paraffin with a dropping point of 55 ℃ and 0.5% by mass of petroleum solvent.
Specifically, the average particle diameter of the negative ion powder is 6 μm, and the hydroxyl negative ion emission capacity is 8000 pieces/cm3。
The thermal conductivity coefficients of the cold insulation material a and the cold insulation material B in an environment of-30 ℃ are respectively tested, and the test results are shown in table 1, wherein the cold insulation material of the comparison group is a commercially available common cold insulation material:
TABLE 1 measurement of thermal conductivity of cold-insulation material
As is clear from table 1, the cold insulation material provided by the present invention has extremely excellent cold insulation performance in a low temperature environment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The storage tank is characterized in that the storage tank is a three-layer mixed-wall flat-bottom cylindrical storage tank, the inner wall of the storage tank is made of 22MnB5 boron steel, the outer wall of the storage tank is made of high-chromium cast iron, the middle layer of the storage tank is made of polyimide engineering plastic, the middle layer is provided with meshes with the diameter of 2-4cm, the number of the meshes per square meter is 180-220, cold insulation materials A are filled between the middle layer and the inner wall of the storage tank, and cold insulation materials B are filled between the middle layer and the outer wall of the storage tank, wherein the cold insulation materials A are prepared from the following components in parts by weight: 18-22 parts of zinc hydroxystannate, 39-45 parts of alumina balls and 27-30 parts of epoxy resin adhesive; the cold insulation material B is prepared from the following components in parts by weight: 38-42 parts of foam glass particles, 11-15 parts of floor wax and 14-20 parts of anion powder.
2. The storage tank according to claim 1, wherein the distance between the inner wall layer and the intermediate layer is 1-1.5cm, the distance between the outer wall layer and the intermediate layer is 1.5-2cm, and the thickness of the inner wall layer, the intermediate layer and the outer wall layer is 1 cm.
3. The storage tank of claim 1, wherein the alumina balls have an average diameter of 3-5mm and a specific surface area of 400m2Water content was 0.8% per gram.
4. The storage tank as claimed in claim 1, wherein the average size of the foam glass particles is 7-15 mm.
5. The storage tank for low-temperature and normal-pressure storage of liquid light hydrocarbon according to claim 1, wherein the floor wax is prepared by adding 1.5% by mass of paraffin wax having a dropping point of 55 ℃ into 98% by mass of microcrystalline paraffin wax having a dropping point of 65 ℃ as a main raw material and 0.5% by mass of petroleum solvent.
6. The storage tank as claimed in claim 1, wherein the negative ion powder has an average particle size of 6 μm and a hydroxyl anion emission capacity of 8000 anions/cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130686.5A CN110906159B (en) | 2019-11-19 | 2019-11-19 | Storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911130686.5A CN110906159B (en) | 2019-11-19 | 2019-11-19 | Storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110906159A CN110906159A (en) | 2020-03-24 |
| CN110906159B true CN110906159B (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911130686.5A Active CN110906159B (en) | 2019-11-19 | 2019-11-19 | Storage tank for low-temperature normal-pressure storage of liquid light hydrocarbon |
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| Country | Link |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7494023B2 (en) * | 2005-03-01 | 2009-02-24 | General Motors Corporation | Insulation for cryogenic tanks |
| CN201228850Y (en) * | 2008-07-10 | 2009-04-29 | 上海海事大学 | LNG thermal insulation device |
| US20100146992A1 (en) * | 2008-12-10 | 2010-06-17 | Miller Thomas M | Insulation for storage or transport of cryogenic fluids |
| CN202171122U (en) * | 2011-04-08 | 2012-03-21 | 陈威 | Double-curvature steel inner tank body and cold insulation structure of large LNG storage tank |
| CN103174932B (en) * | 2013-03-27 | 2015-08-19 | 张家港市科华化工装备制造有限公司 | A kind of low-temperature storage tank |
| CN208794032U (en) * | 2018-08-06 | 2019-04-26 | 重庆恒中能源装备有限公司 | A kind of LNG cryogenic liquid storage tank |
| CN109681722A (en) * | 2018-11-30 | 2019-04-26 | 铜陵金泰化工股份有限公司 | One kind being used for low-temperature (low temperature) vessel multi-layer compound structure and its mounting process |
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