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CN115325429B - Horizontal low-temperature container with magnetic suspension support - Google Patents

Horizontal low-temperature container with magnetic suspension support Download PDF

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Publication number
CN115325429B
CN115325429B CN202210966959.5A CN202210966959A CN115325429B CN 115325429 B CN115325429 B CN 115325429B CN 202210966959 A CN202210966959 A CN 202210966959A CN 115325429 B CN115325429 B CN 115325429B
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CN
China
Prior art keywords
cylinder body
cross
inner cylinder
magnetic
magnet
Prior art date
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Active
Application number
CN202210966959.5A
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Chinese (zh)
Other versions
CN115325429A (en
Inventor
王朝
陈甲楠
赵亚丽
任改红
况开锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Guofu Hydrogen Energy Technology Equipment Co Ltd
Zhangjiagang Hydrogen Cloud New Energy Research Institute Co Ltd
Original Assignee
Jiangsu Guofu Hydrogen Energy Technology Equipment Co Ltd
Zhangjiagang Hydrogen Cloud New Energy Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Jiangsu Guofu Hydrogen Energy Technology Equipment Co Ltd, Zhangjiagang Hydrogen Cloud New Energy Research Institute Co Ltd filed Critical Jiangsu Guofu Hydrogen Energy Technology Equipment Co Ltd
Priority to CN202210966959.5A priority Critical patent/CN115325429B/en
Publication of CN115325429A publication Critical patent/CN115325429A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/12Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/14Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/08Mounting arrangements for vessels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01Shape
    • F17C2201/0104Shape cylindrical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/03Thermal insulations

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  • 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 horizontal low-temperature container with magnetic suspension support, which comprises: the outer barrel and the inner barrel, be provided with the intermediate layer between the inner and outer barrel, inner barrel lateral wall top is fixed with straight bar magnet, and inner barrel lateral wall bottom is fixed with straight bar magnet down, and outer barrel lateral wall top is fixed with two and goes up the electricity magnetic stripe, and outer barrel lateral wall bottom is fixed with two and goes down the electricity magnetic stripe, and every electromagnetism strip comprises a plurality of subunit, and every subunit includes: the electromagnet is coated with a packaging shell, and a magnetic field sensor is fixed on the packaging shell; a group of cross-shaped magnetic positioning mechanisms are respectively arranged in the seal head interlayers at the front end and the rear end of the inner cylinder body and the outer cylinder body. The horizontal low-temperature container can enable the inner cylinder body to be magnetically suspended in the outer cylinder body, so that no substantial contact exists between the inner cylinder body and the outer cylinder body, the formation of a thermal bridge is avoided, the external heat leakage is reduced by more than 50%, the storage performance of the low-temperature container is obviously improved, and the nondestructive storage time of low-temperature fluid is prolonged.

Description

Horizontal low-temperature container with magnetic suspension support
Technical Field
The invention relates to the field of low-temperature containers, in particular to a horizontal low-temperature container with magnetic suspension support.
Background
The horizontal low-temperature container consists of an outer cylinder body and an inner cylinder body positioned in the outer cylinder body, wherein vacuum insulation is carried out between the inner cylinder body and the outer cylinder body, and low-temperature fluid such as liquid hydrogen, LNG and the like is stored in the inner cylinder body. The inner cylinder is supported and fixed in the outer cylinder through the heat insulation supporting structure, and the heat insulation supporting structure designed for fixing the inner cylinder inevitably forms a heat bridge between the low-temperature fluid and the external environment, and becomes a main heat leakage source of the horizontal low-temperature container. Therefore, it is highly desirable in the industry to design horizontal cryogenic containers without an insulating support structure.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the horizontal low-temperature container with the magnetic suspension support can support the inner cylinder body in the outer cylinder body in a non-contact manner and limit the freedom degree of the inner cylinder body in a non-contact manner.
In order to solve the problems, the invention adopts the following technical scheme: a horizontal cryogenic vessel with magnetic levitation support, comprising: the outer barrel and be arranged in the inner tube of outer barrel, be provided with the intermediate layer between the inner and outer barrel, its characterized in that: an upper straight bar magnet is fixed at the top of the outer side wall of the inner cylinder body, a lower straight bar magnet is fixed at the bottom of the outer side wall of the inner cylinder body, the two straight bar magnets are respectively arranged along the axial direction of the inner cylinder body in a forward and backward trend, the two straight bar magnets are respectively positioned right above and right below the central axis of the inner cylinder body, two upper electromagnetic bars which are positioned right above the upper straight bar magnet and are arranged front and back side by side are fixed at the top of the inner side wall of the outer cylinder body, two lower electromagnetic bars which are positioned right below the lower straight bar magnet and are arranged front and back side by side are fixed at the bottom of the inner side wall of the outer cylinder body, the upper electromagnetic bars and the lower electromagnetic bars are respectively clung to the inner side wall of the outer cylinder body and are arranged in an arc shape along the circumferential direction of the outer cylinder body, each electromagnetic bar is formed by a plurality of subunits along the circumferential direction of the outer cylinder body, and each subunit comprises: an electromagnet, a packaging shell is covered outside the electromagnet, and a magnetic field sensor is fixed on the surface of the packaging shell opposite to the inner cylinder; each electromagnet can produce the magnetic field after the circular telegram, can attract last straight bar magnet after the circular telegram of each electromagnet on two last magnetic stripes, each electromagnet on two lower magnetic stripes can repel down straight bar magnet after the circular telegram, thereby make the inner tube physical stamina by the magnetic suspension support in the urceolus body under the effect of appeal and repulsive force, each magnetic field inductor on two last magnetic stripes is used for the magnetic field of upper straight bar magnet respectively, each magnetic field inductor on two lower magnetic stripes is used for the magnetic field of inducting straight bar magnet down respectively, be provided with a set of cross magnetic force positioning mechanism in the head intermediate layer of inner and outer barrel body front and back both ends respectively, every cross magnetic force positioning mechanism of group includes: the cross steel frame and the cross magnet are aligned front and back and are respectively fixed with the sealing heads of the inner cylinder body and the outer cylinder body one by one, the cross centers of the cross steel frame and the cross magnet are respectively positioned on the axis of the cylinder body where the cross steel frame and the cross magnet are positioned, and two axial positioning magnets with magnetic repulsion are also arranged, and the two axial positioning magnets are opposite front and back and are respectively fixed on the cross centers of the cross steel frame and the cross magnet; the attractive force of two groups of cross steel frames and cross magnets applied to the two ends of the inner cylinder body can play a role in limiting the inner cylinder body to rotate or overturn around the axial direction, and the repulsive force of two groups of axial positioning magnets applied to the two ends of the inner cylinder body can play a role in limiting the axial movement of the inner cylinder body.
Further, the foregoing horizontal cryogenic container with magnetic levitation support, wherein: the sizes of the upper electromagnetic strips and the lower electromagnetic strips are the same, and the corresponding central angles are 60-90 degrees.
Further, the foregoing horizontal cryogenic container with magnetic levitation support, wherein: the cross-shaped sizes of each cross-shaped steel frame and each cross-shaped magnet are the same and are positive cross-shaped.
Further, the foregoing horizontal cryogenic container with magnetic levitation support, wherein: the lower straight bar magnet and the upper straight bar magnet have the same size and are arranged symmetrically up and down about the horizontal axis section of the inner cylinder.
Further, the foregoing horizontal cryogenic container with magnetic levitation support, wherein: the two upper electromagnetic strips and the two lower electromagnetic strips are respectively and symmetrically arranged up and down one by one relative to the horizontal axis section of the inner cylinder body, the distances from the two upper electromagnetic strips to the middle section of the upper straight-bar-shaped magnet are equal, and the distances from the two lower electromagnetic strips to the middle section of the lower straight-bar-shaped magnet are equal.
The invention has the advantages that: the horizontal low-temperature container can enable the inner cylinder body to be magnetically suspended in the outer cylinder body, and can limit the freedom degree of the inner cylinder body in a non-contact manner, so that the inner cylinder body and the outer cylinder body are not in substantial contact, the formation of a thermal bridge is avoided, the external heat leakage is reduced by more than 50%, the storage performance of the low-temperature container is remarkably improved, and the nondestructive storage time of low-temperature fluid is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a horizontal type cryogenic container according to the present invention after removing a part of an outer cylinder.
Detailed Description
The invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1, a horizontal type cryogenic container with magnetic levitation support, comprising: an interlayer is arranged between the outer cylinder 1 and the inner cylinder 2 positioned in the outer cylinder 1, an upper straight bar magnet 3 is fixed at the top of the outer side wall of the inner cylinder 2, a lower straight bar magnet 4 is fixed at the bottom of the outer side wall of the inner cylinder 2, the two straight bar magnets are respectively arranged along the axial direction of the inner cylinder 2 in a forward and backward trend, the two straight bar magnets are respectively positioned right above and right below the central axis of the inner cylinder 2, two upper electromagnetic bars 5 which are positioned right above the upper straight bar magnet 3 and are arranged in a forward and backward side by side are fixed at the top of the inner side wall of the outer cylinder 1, two lower electromagnetic strips 6 which are positioned right below the lower straight strip-shaped magnet 4 and are arranged in parallel front and back are fixed at the bottom of the inner side wall of the outer cylinder body 1, the left and right parts of the upper electromagnetic strip 5 and the lower electromagnetic strip 6 are symmetrically arranged about the vertical axis section of the outer cylinder body 1, the left and right parts of the lower straight strip-shaped magnet 4 and the upper straight strip-shaped magnet 3 are symmetrically arranged about the vertical axis section of the inner cylinder body 2, the upper electromagnetic strip 5 and the lower electromagnetic strip 6 are respectively clung to the inner side wall of the outer cylinder body 1 and are arranged in an arc shape along the circumferential direction of the outer cylinder body 1, each electromagnetic strip is formed by arranging a plurality of subunits along the circumferential direction of the outer cylinder body 1, and each subunit comprises: an electromagnet 71, wherein a packaging shell is coated outside the electromagnet 71, a magnetic field sensor 72 is fixed on the surface of the packaging shell opposite to the inner cylinder 2, and the magnetic field sensor 72 is a commercially available device for sensing a magnetic field; the electromagnets are electrified to generate magnetic fields, the electromagnets 71 on the two upper electromagnetic strips 5 can attract the upper straight strip magnets 3, the electromagnets 71 on the two lower electromagnetic strips 6 can repel the lower straight strip magnets 4 after being electrified, the weight of the inner cylinder 2 is counteracted by attractive force and repulsive force, so that the inner cylinder 2 can be magnetically suspended and supported in the outer cylinder 1, the magnetic field sensors 72 on the two upper electromagnetic strips 5 are respectively used for sensing the magnetic fields of the upper straight strip magnets 3, the magnetic field sensors 72 on the two lower electromagnetic strips 6 are respectively used for sensing the magnetic fields of the lower straight strip magnets 4, a group of cross magnetic force positioning mechanisms are respectively arranged in seal head interlayers at the front end and the rear end of the inner cylinder 2 and the outer cylinder 1, and each group of cross magnetic force positioning mechanisms comprises: the cross-shaped steel frame 8 and the cross-shaped magnet 81 are aligned in front-back and are respectively fixed with the sealing heads of the inner cylinder body 2 and the outer cylinder body 1 one by one, in the embodiment, the cross-shaped steel frame 8 is fixed with the sealing head of the inner cylinder body 2, and the cross-shaped magnet 81 is fixed with the sealing head of the outer cylinder body 1; the cross centers of the cross-shaped steel frame 8 and the cross-shaped magnet 81 are respectively positioned on the axis of the cylinder body where the cross-shaped steel frame 8 and the cross-shaped magnet 81 are positioned, and two axial positioning magnets 82 with magnetic repulsion are also arranged, and the two axial positioning magnets 82 are opposite from front to back and are respectively embedded in the cross centers of the cross-shaped steel frame 8 and the cross-shaped magnet 81; the attractive force exerted on the two ends of the inner cylinder 2 by the two groups of cross steel frames 8 and the cross magnets 81 can play a role in limiting the inner cylinder 2 from rotating or overturning around the axial direction, and the repulsive force exerted on the two ends of the inner cylinder 2 by the two groups of axial positioning magnets 82 can play a role in limiting the axial movement of the inner cylinder 2.
In this embodiment, the sizes of each upper electromagnetic stripe 5 and each lower electromagnetic stripe 6 are the same, and the corresponding central angles are 60-90 °. The cross-shaped dimensions of each cross-shaped steel frame 8 and each cross-shaped magnet 81 are identical and are all positive cross-shaped, so that the forces on the front and rear ends of the inner cylinder 2 are balanced. The lower straight bar magnet 4 and the upper straight bar magnet 3 are identical in size and are arranged vertically symmetrically with respect to the horizontal axis section of the inner cylinder 2. The two upper electromagnetic strips 5 and the two lower electromagnetic strips 6 are respectively and symmetrically arranged up and down one by one about the horizontal axis section of the inner cylinder 2, the distances from the two upper electromagnetic strips 5 to the middle section of the upper straight strip magnet 3 are equal, and the distances from the two lower electromagnetic strips 6 to the middle section of the lower straight strip magnet 4 are equal.
In actual use, the electromagnetic valve is also provided with a controller, the controller is positioned outside the outer cylinder, cables on the electromagnet and the magnetic field sensor penetrate through the outer cylinder to be connected with the controller, and the cables are used for supplying power or transmitting data.
When the inner cylinder body is filled or discharged, the weight of the inner cylinder body can be changed, so that the upper position and the lower position of the inner cylinder body can be changed slowly, at the moment, the distance between the magnetic field sensor and the upper and lower straight strip magnets can be changed, the magnetic field detected by the magnetic field sensor can be changed, the magnetic field sensor can transmit the magnetic field change to the controller, the controller can change the current of the electromagnet on the upper electromagnetic strip 5 and the lower electromagnetic strip 6 according to the magnetic field change, and the magnetic force of the electromagnet can be changed, so that the upper position and the lower position of the inner cylinder body can be corrected, and the upper position and the lower position of the inner cylinder body can be basically kept unchanged.
When the inner cylinder rotates or overturns around the axial direction, the inertia force of the inner cylinder is larger than the limiting capacity of the two groups of cross magnetic force positioning mechanisms, the distance between each magnetic field sensor and the upper and lower straight strip magnets is changed, so that the magnetic field detected by each magnetic field sensor is changed, the magnetic field sensor can transmit the magnetic field change to the controller, and the controller can adjust the current of each electromagnet on the upper electromagnetic strip 5 and the lower electromagnetic strip 6 according to the change of each magnetic field, so that the magnetic force of each electromagnet is changed, and the inner cylinder is corrected.

Claims (5)

1. A horizontal cryogenic vessel with magnetic levitation support, comprising: the outer barrel and be arranged in the inner tube of outer barrel, be provided with the intermediate layer between the inner and outer barrel, its characterized in that: an upper straight bar magnet is fixed at the top of the outer side wall of the inner cylinder body, a lower straight bar magnet is fixed at the bottom of the outer side wall of the inner cylinder body, the two straight bar magnets are respectively arranged along the axial direction of the inner cylinder body in a forward and backward trend, the two straight bar magnets are respectively positioned right above and right below the central axis of the inner cylinder body, two upper electromagnetic bars which are positioned right above the upper straight bar magnet and are arranged front and back side by side are fixed at the top of the inner side wall of the outer cylinder body, two lower electromagnetic bars which are positioned right below the lower straight bar magnet and are arranged front and back side by side are fixed at the bottom of the inner side wall of the outer cylinder body, the upper electromagnetic bars and the lower electromagnetic bars are respectively clung to the inner side wall of the outer cylinder body and are arranged in an arc shape along the circumferential direction of the outer cylinder body, each electromagnetic bar is formed by a plurality of subunits along the circumferential direction of the outer cylinder body, and each subunit comprises: an electromagnet, a packaging shell is covered outside the electromagnet, and a magnetic field sensor is fixed on the surface of the packaging shell opposite to the inner cylinder; each electromagnet can produce the magnetic field after the circular telegram, can attract last straight bar magnet after the circular telegram of each electromagnet on two last magnetic stripes, each electromagnet on two lower magnetic stripes can repel down straight bar magnet after the circular telegram, thereby make the inner tube physical stamina by the magnetic suspension support in the urceolus body under the effect of appeal and repulsive force, each magnetic field inductor on two last magnetic stripes is used for the magnetic field of upper straight bar magnet respectively, each magnetic field inductor on two lower magnetic stripes is used for the magnetic field of inducting straight bar magnet down respectively, be provided with a set of cross magnetic force positioning mechanism in the head intermediate layer of inner and outer barrel body front and back both ends respectively, every cross magnetic force positioning mechanism of group includes: the cross steel frame and the cross magnet are aligned front and back and are respectively fixed with the sealing heads of the inner cylinder body and the outer cylinder body one by one, the cross centers of the cross steel frame and the cross magnet are respectively positioned on the axis of the cylinder body where the cross steel frame and the cross magnet are positioned, and two axial positioning magnets with magnetic repulsion are also arranged, and the two axial positioning magnets are opposite front and back and are respectively fixed on the cross centers of the cross steel frame and the cross magnet; the attractive force of two groups of cross steel frames and cross magnets applied to the two ends of the inner cylinder body can play a role in limiting the inner cylinder body to rotate or overturn around the axial direction, and the repulsive force of two groups of axial positioning magnets applied to the two ends of the inner cylinder body can play a role in limiting the axial movement of the inner cylinder body.
2. A horizontal cryogenic container with magnetic levitation support as defined in claim 1, wherein: the sizes of the upper electromagnetic strips and the lower electromagnetic strips are the same, and the corresponding central angles are 60-90 degrees.
3. A horizontal cryogenic container with magnetic levitation support according to claim 1 or 2, characterized in that: the cross-shaped sizes of each cross-shaped steel frame and each cross-shaped magnet are the same and are positive cross-shaped.
4. A horizontal cryogenic container with magnetic levitation support according to claim 1 or 2, characterized in that: the lower straight bar magnet and the upper straight bar magnet have the same size and are arranged symmetrically up and down about the horizontal axis section of the inner cylinder.
5. A horizontal cryogenic container with magnetic levitation support according to claim 1 or 2, characterized in that: the two upper electromagnetic strips and the two lower electromagnetic strips are respectively and symmetrically arranged up and down one by one relative to the horizontal axis section of the inner cylinder body, the distances from the two upper electromagnetic strips to the middle section of the upper straight-bar-shaped magnet are equal, and the distances from the two lower electromagnetic strips to the middle section of the lower straight-bar-shaped magnet are equal.
CN202210966959.5A 2022-08-12 2022-08-12 Horizontal low-temperature container with magnetic suspension support Active CN115325429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210966959.5A CN115325429B (en) 2022-08-12 2022-08-12 Horizontal low-temperature container with magnetic suspension support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210966959.5A CN115325429B (en) 2022-08-12 2022-08-12 Horizontal low-temperature container with magnetic suspension support

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CN115325429A CN115325429A (en) 2022-11-11
CN115325429B true CN115325429B (en) 2023-12-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435533A (en) * 2008-12-24 2009-05-20 西南交通大学 Non-metal Dewar container of high temperature superconduction magnetic suspension experiment vehicle
JP2010144843A (en) * 2008-12-19 2010-07-01 Ud Trucks Corp Liquefied gas fuel container
CN109681771A (en) * 2019-01-18 2019-04-26 青岛凯迪力学应用研究所有限公司 The floated cryogenic liquid storage of liner and shipping container
CN114811408A (en) * 2022-03-31 2022-07-29 张家港富瑞深冷科技有限公司 Vacuum heat-insulation horizontal storage tank adopting hanging strips and supporting legs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010144843A (en) * 2008-12-19 2010-07-01 Ud Trucks Corp Liquefied gas fuel container
CN101435533A (en) * 2008-12-24 2009-05-20 西南交通大学 Non-metal Dewar container of high temperature superconduction magnetic suspension experiment vehicle
CN109681771A (en) * 2019-01-18 2019-04-26 青岛凯迪力学应用研究所有限公司 The floated cryogenic liquid storage of liner and shipping container
CN114811408A (en) * 2022-03-31 2022-07-29 张家港富瑞深冷科技有限公司 Vacuum heat-insulation horizontal storage tank adopting hanging strips and supporting legs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LNG低温卧式储罐合理内撑结构的研究;路晓瑜;李慧芳;钱才富;;压力容器(第01期);全文 *

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