CN102606874B - Liquid oxygen container with multi-layer vacuum thermal insulation layer and fiber reinforced composite material layer - Google Patents
Liquid oxygen container with multi-layer vacuum thermal insulation layer and fiber reinforced composite material layer Download PDFInfo
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- CN102606874B CN102606874B CN 201210090477 CN201210090477A CN102606874B CN 102606874 B CN102606874 B CN 102606874B CN 201210090477 CN201210090477 CN 201210090477 CN 201210090477 A CN201210090477 A CN 201210090477A CN 102606874 B CN102606874 B CN 102606874B
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Abstract
The invention discloses a liquid oxygen container with a multi-layer vacuum thermal insulation layer and a fiber reinforced composite material layer, relates to a liquid oxygen container and solves the problems that the conventional liquid oxygen container is in a stainless steel structure and has the defects of high weight, low storage and transportation efficiency and high storage and transportation cost. A second supporting disc is fixedly sleeved on each supporting cylinder; a third supporting disc is fixedly sleeved on each second supporting disc; each third supporting disc is fixedly connected with the inner wall of a shell of the container in the circumferential direction; a liner consists of a metal liner layer, the fiber reinforced composite material layer and the multi-layer vacuum thermal insulation layer sequentially from interior to exterior; the fiber reinforced composite material layer is wound on the outer wall of the metal liner layer; and multi-layer vacuum thermal insulation layer is coated on the outer surface of the fiber reinforced composite material layer. The liquid oxygen container with the multi-layer vacuum thermal insulation layer and the fiber reinforced composite material layer is used for storing and transporting liquid oxygen.
Description
Technical field
The present invention relates to a kind of container of accumulating liquid oxygen.
Background technique
Liquid oxygen is widely used in the every field of national economy as high-efficient oxidant, as fields such as steel-making, medical oxygen station, clean energy resource traffic, Aero-Space.The storing mode that the storing mode of employing low-temperature liquefaction oxygen is compared high pressure oxygen can effectively solve blast, storing efficient is crossed problems such as low, realizes storing safely and efficiently.
The container that is used for storing low temperature liquid oxygen need have good insulating structure.According to adiabatic form difference, heat insulation layer is divided into following a few class: individual layer or the thermal insulation of staggered floor vacuum layer, vacuum porous are adiabatic and pile up adiabatic form, and the liquid oxygen container for the long-term storing of needs has only the vacuum multilayer insulation structure to meet the demands.
The vacuum multilayer insulation structure generally is used in the demanding field of thermal insulation, and the main structure form is to form a pressure less than 10 between inner housing and frame
-2The high vacuum layer of Pa, which floor in vacuum layer, is laid to the aluminium foil of tens layers or the plastic pellicle of aluminizing, as the thermal radiation reflecting screen, between every two-layer reflecting screen, be filled with the porous material of low conduction coefficient, play the heat conducting effect of supporting between two reflecting screens and the prevention reflecting screen, also need in interlayer, place some adsorbents simultaneously, keep condition of high vacuum degree.Reflecting screen commonly used comprises aluminium foil, aluminium plating terylene film etc., the reflecting screen interlayer sees that a material has plant fiber paper, glass fiber cloth, glass fibre cotton, glass fibre winding layer, nylon mesh etc., adopts vacuum multi-layer insulation density of heat flow rate can be controlled at 1W/m
2In, the daily loss amount of liquid oxygen drops to minimum, convenient long-distance accumulating.
Existing liquid oxygen container generally adopts stainless steel structure, stores and transports temperature conditions in order to guarantee-183 ℃ liquid oxygen, also needs the high-efficiency vacuum heat insulation layer, causes metal liquid oxygen container weight excessive, and storing efficient is low, storing cost height.
Summary of the invention
The present invention adopts stainless steel structure for solving existing liquid oxygen container, has that weight is excessive, storing efficient is low and the high problem of storing cost, and then a kind of liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer is provided.
The present invention solves the problems of the technologies described above the technological scheme of taking to be: the liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer of the present invention comprises inner bag, shell of tank, two axial support member and volute, described inner bag is installed in the shell of tank by two axial support member, it is vacuum chamber between described inner bag and the shell of tank, each axial support member is by supporting axle, first supporting disk, support cylinder constitutes, respectively be fixed with a supporting axle on the inwall at shell of tank two ends, the axis coaxle setting of two supporting axles and shell of tank, be installed with first supporting disk on each supporting axle, respectively be fixed with a support cylinder on the outer wall at inner bag two ends, the axis coaxle setting of two support cylinder and inner bag, described inner bag is installed on two first supporting disks by two support cylinder, described volute is positioned at a support cylinder, one end of volute and the internal communication of inner bag, the other end of volute is in communication with the outside; Described liquid oxygen container also comprises the radial support member, described radial support member comprises second supporting disk and the 3rd supporting disk, be installed with second supporting disk on each support cylinder, be installed with the 3rd supporting disk on each second supporting disk, each the 3rd supporting disk is along the circumferential direction affixed with the inwall of shell of tank, described inner bag is followed successively by the metal inner lining layer from inside to outside, fibre reinforced composites layer and vacuum multilayer insulation layer, described fibre reinforced composites layer is wrapped on the outer wall of metal inner lining layer, and the vacuum multilayer insulation layer is coated on the outer surface of fibre reinforced composites layer.
The present invention has following beneficial effect:
The inner bag of liquid oxygen container of the present invention adopts vacuum multilayer insulation layer and fibre reinforced composites layer to make, compare with existing full-metallic high pressure or low temperature liquid oxygen container, has advantage in light weight, that pressure-bearing is high, and the safety failure mode that has leakage before the explosion, because the weight of fibre reinforced composites has only 20%～40% of canister, thereby improved storing efficient greatly, reduced user cost, account for 40% of storing gross weight according to common metal liquid oxygen container weight and calculate, save the storing cost and reach as high as 16%; Inner bag of the present invention carries out radial support and location by the radial support member, can resist big overload liquid oxygen container is caused damage.
Description of drawings
Fig. 1 is the liquid oxygen container vertical view cutaway drawing that has vacuum multilayer insulation layer and fibre reinforced composites layer of the present invention, and Fig. 2 is the partial sectional view of inner bag in the embodiment one.
Embodiment
Embodiment one: in conjunction with Fig. 1～2 explanations, the liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer of present embodiment comprises inner bag 1, shell of tank 3, two axial support member 5 and volute 6, described inner bag 1 is installed in the shell of tank 3 by two axial support member 5, be vacuum chamber 2 between described inner bag 1 and the shell of tank 3, each axial support member 5 is by supporting axle 12, first supporting disk 13, support cylinder 14 constitutes, respectively be fixed with a supporting axle 12 on the inwall at shell of tank 3 two ends, the axis coaxle setting of two supporting axles 12 and shell of tank 3, be installed with first supporting disk 13 on each supporting axle 12, respectively be fixed with a support cylinder 14 on the outer wall at inner bag 1 two ends, the axis coaxle setting of two support cylinder 14 and inner bag 1, described inner bag 1 is installed on two first supporting disks 13 by two support cylinder 14, described volute 6 is positioned at a support cylinder 14, one end of volute 6 and the internal communication of inner bag 1, the other end of volute 6 is in communication with the outside; Described liquid oxygen container also comprises radial support member 7, described radial support member 7 comprises second supporting disk 9 and the 3rd supporting disk 4, be installed with second supporting disk 9 on each support cylinder 14, be installed with the 3rd supporting disk 4 on each second supporting disk 9, each the 3rd supporting disk 4 is along the circumferential direction affixed with the inwall of shell of tank 3, described inner bag 1 is followed successively by metal inner lining layer 1-1 from inside to outside, fibre reinforced composites layer 1-2 and vacuum multilayer insulation layer 1-3, described fibre reinforced composites layer 1-2 is wrapped on the outer wall of metal inner lining layer 1-1, and vacuum multilayer insulation layer 1-3 is coated on the outer surface of fibre reinforced composites layer 1-2.
Embodiment two: the described metal inner lining layer of present embodiment 1-1 made by aluminum alloy, the ratio F of the tensile yield strength of described aluminum alloy and Young's modulus
TY/ E is at least 0.2%, and the fracture elongation of described aluminum alloy is at least 11%.So design can be satisfied under the cryogenic conditions and reuse requirement, and the satisfied aluminium alloy lining of reusing repeatedly can not cause destroying owing to low temperature becomes fragile.Other composition is identical with mode of execution one with annexation.Embodiment three: in conjunction with Fig. 2 explanation, the thickness δ of the described metal inner lining layer of present embodiment 1-1 is 0.5mm～8.0mm.So design is easier to process thin aluminium alloy lining, thus significantly weight reduction.Other composition is identical with mode of execution one or two with annexation.Embodiment four: the described radial support member 7 of present embodiment also comprises polylith stiffening plate 8, and polylith stiffening plate 8 is along the uniform setting of the circumferencial direction of the 3rd supporting disk 4.So design, can improve the intensity of radial support, improve resistance to deformation and shock proof ability.Other composition is identical with mode of execution three with annexation.
Embodiment five: the described liquid oxygen container of present embodiment also comprises gas at normal temperature sorbent 10, and described gas at normal temperature sorbent 10 is arranged on the inwall of shell of tank 3.So arrange, guarantee that in use vacuum chamber 2 skins are under normal temperature environment, little molecule is fully adsorbed wet body sorbent, guarantees the degree of vacuum that requires in the vacuum chamber 2.Other composition and annexation and mode of execution one, two or four identical.
Embodiment six: the described liquid oxygen container of present embodiment also comprises cryogenic gas sorbent 11, and described cryogenic gas sorbent 11 is arranged on the outer wall of inner bag 1.So arrange, guarantee that in use vacuum chamber 2 is near under the inner bag 1 low temperature temperature environment, little molecule is fully adsorbed by the cryogenic gas sorbent, guarantees the degree of vacuum that requires in the vacuum chamber 2.Other composition is identical with mode of execution five with annexation.
Embodiment:
Metal inner lining layer 1-1 adopts rust-preventing aluminum alloy or stainless steel material, metal inner lining layer 1-1 material must satisfy liquid oxygen compatibility test standard A STM D-2512, an end that has volute 6, be that seal head end adopts punching press or spinning process manufacturing, before fibre reinforced composites layer 1-2, need metal inner lining layer 1-1 cleaned and polish, can guarantee between metal inside liner 1-1 and its outside construction layer contact good; Then at metal inner lining layer 1-1 outer surface coated with adhesive, twine fibre reinforced composites layer 1-2 again, bonding good between the outer surface of metal inner lining layer 1-1 through cleaning and polishing and the fibre reinforced composites layer 1-2, thus make gas cylinder reach more excellent performance;
Utilize existing winding method to twine fibre reinforced composites layer 1-2 in metal inner lining layer 1-1 outside, canoe is mainly with vertical winding and the horizontal multi-lay winding mode alternately of twining, also can adopt helically-wound shapedly, can realize lightweight, high-strength, purpose that tightness is good.The employed epoxy resin of composite material comprises high-performance epoxy resin, phenolic resin, benzoxazine colophony, poly-cyanate ester, polyimide and modifier, carbon fiber adopts high strength or high modulus carbon fiber, comprise T300, T700, T1000 carbon fiber, glass fibre adopts high strength or high-modulus glass fiber;
The adiabatic method of vacuum multilayer insulation layer 1-3 is vacuum multi-layer insulation, and vacuum chamber need be set, and the vacuum chamber internal pressure need be less than 10
-2Pa covers the multi-layer heat preserving quilt of being made up of reflecting layer and wall at internal chamber wall, and the reflecting layer mainly comprises aluminium foil or aluminized plastic film, and wall comprises structures such as sheathing paper, glass fiber yarn, and the total number of plies of reflecting layer and wall is at 30～80 layers;
Finish the back in metal inner lining layer 1-1, fibre reinforced composites layer 1-2 and vacuum multilayer insulation layer 1-3 preparation and prepare shell of tank 3, shell of tank 3 adopts composite material or full-metallic preparation, and shell of tank 3 thickness will satisfy the scope of external and internal pressure difference and load requirement;
Inner bag 1 metal inner lining layer 1-1 with support cylinder 14 structure that is welded as a whole, supporting axle 12 is welded as a whole with shell of tank 3;
Claims (6)
1. liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer, described liquid oxygen container comprises inner bag (1), shell of tank (3), two axial support member (5) and volute (6), described inner bag (1) is installed in the shell of tank (3) by two axial support member (5), be vacuum chamber (2) between described inner bag (1) and the shell of tank (3), each axial support member (5) is by supporting axle (12), first supporting disk (13), support cylinder (14) constitutes, respectively be fixed with a described supporting axle (12) on the inwall at shell of tank (3) two ends, the axis coaxle setting of two supporting axles (12) and shell of tank (3), be installed with first supporting disk (13) on each supporting axle (12), respectively be fixed with a described support cylinder (14) on the outer wall at inner bag (1) two ends, the axis coaxle setting of two support cylinder (14) and inner bag (1), described inner bag (1) is installed on two first supporting disks (13) by two support cylinder (14), described volute (6) is positioned at a support cylinder (14), the internal communication of one end of volute (6) and inner bag (1), the other end of volute (6) is in communication with the outside; It is characterized in that: described liquid oxygen container also comprises radial support member (7), described radial support member (7) comprises second supporting disk (9) and the 3rd supporting disk (4), be installed with second supporting disk (9) on each support cylinder (14), be installed with the 3rd supporting disk (4) on each second supporting disk (9), each the 3rd supporting disk (4) is along the circumferential direction affixed with the inwall of shell of tank (3), described inner bag (1) is followed successively by metal inner lining layer (1-1) from inside to outside, fibre reinforced composites layer (1-2) and vacuum multilayer insulation layer (1-3), described fibre reinforced composites layer (1-2) is wrapped on the outer wall of metal inner lining layer (1-1), and vacuum multilayer insulation layer (1-3) is coated on the outer surface of fibre reinforced composites layer (1-2).
2. the liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer according to claim 1, it is characterized in that: described metal inner lining layer (1-1) is made by aluminum alloy, the ratio (F of the tensile yield strength of described aluminum alloy and Young's modulus
TY/ E) being at least 0.2%, the fracture elongation of described aluminum alloy is at least 11%.
3. the liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer according to claim 1 and 2, it is characterized in that: the thickness (δ) of described metal inner lining layer (1-1) is 0.5mm～8.0mm.
4. the liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer according to claim 3, it is characterized in that: described radial support member (7) also comprises polylith stiffening plate (8), and polylith stiffening plate (8) is along the uniform setting of circumferencial direction of the 3rd supporting disk (4).
5. according to claim 1, the 2 or 4 described liquid oxygen containers that have vacuum multilayer insulation layer and fibre reinforced composites layer, it is characterized in that: described liquid oxygen container also comprises gas at normal temperature sorbent (10), and described gas at normal temperature sorbent (10) is arranged on the inwall of shell of tank (3).
6. the liquid oxygen container that has vacuum multilayer insulation layer and fibre reinforced composites layer according to claim 5, it is characterized in that: described liquid oxygen container also comprises cryogenic gas sorbent (11), and described cryogenic gas sorbent (11) is arranged on the outer wall of inner bag (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210090477 CN102606874B (en) | 2012-03-30 | 2012-03-30 | Liquid oxygen container with multi-layer vacuum thermal insulation layer and fiber reinforced composite material layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210090477 CN102606874B (en) | 2012-03-30 | 2012-03-30 | Liquid oxygen container with multi-layer vacuum thermal insulation layer and fiber reinforced composite material layer |
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| CN102606874A CN102606874A (en) | 2012-07-25 |
| CN102606874B true CN102606874B (en) | 2013-08-28 |
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| CN 201210090477 Expired - Fee Related CN102606874B (en) | 2012-03-30 | 2012-03-30 | Liquid oxygen container with multi-layer vacuum thermal insulation layer and fiber reinforced composite material layer |
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| CN102865455B (en) * | 2012-09-14 | 2014-07-23 | 湖北三江航天江北机械工程有限公司 | High-temperature and high-pressure insulated composite air cylinder and manufacture method of high-temperature and high-pressure insulated composite air cylinder |
| CN103128965B (en) * | 2013-01-31 | 2015-02-18 | 湖北三江航天江北机械工程有限公司 | Winding and machining method of heat insulating layer of small volume stationary type vacuum insulation pressure vessel |
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| CN105437572B (en) * | 2015-12-11 | 2018-04-17 | 上海复合材料科技有限公司 | Carrier rocket full composite material low-temperature liquid oxygen tank and its manufacture method |
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| CN106224760A (en) * | 2016-07-06 | 2016-12-14 | 张家港市科华化工装备制造有限公司 | A kind of cryogenic liquid tank with stable inner pressurd vessel structure |
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| CN107228274A (en) * | 2017-06-02 | 2017-10-03 | 浙江大学 | Fixed vacuum multilayer insulation high pressure liquid hydrogen storage tank |
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| CN111421733B (en) * | 2020-04-01 | 2021-11-16 | 国际竹藤中心 | Preparation method of winding-formed composite heat-insulation air pipe |
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| TWI769575B (en) * | 2020-11-05 | 2022-07-01 | 國立臺灣大學 | Lightweight hydrogen storage/desorption tank |
| CN113446508B (en) * | 2021-06-16 | 2023-04-07 | 西藏友氧健康科技有限公司 | Vacuum layer structure for heat insulation container and liquid oxygen storage container |
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| CN116428507A (en) * | 2023-06-12 | 2023-07-14 | 浙江大学 | Low-temperature heat-insulating container with interlayer gap compensation |
| CN116464904A (en) * | 2023-06-12 | 2023-07-21 | 浙江大学 | Vehicle-mounted liquid hydrogen heat-insulating storage container and liquid hydrogen filling method thereof |
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