CN210891025U

CN210891025U - Torsion-preventing heat-insulating structure and double-layer vacuum heat-insulating tank using same

Info

Publication number: CN210891025U
Application number: CN201921699523.4U
Authority: CN
Inventors: 蒋春辉
Original assignee: Kubao Low Carbon New Energy Equipment Technology Changzhou Co ltd
Current assignee: Kubao Low Carbon New Energy Equipment Technology Changzhou Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-30
Anticipated expiration: 2029-10-11

Abstract

The utility model provides a turn round adiabatic structure and use double-deck vacuum heat insulation tank of this structure only, include: the fixing column is sleeved with a heat insulation sleeve, and the heat insulation sleeve is sleeved with a fixed sleeve; the fixing device comprises a fixing plate, wherein a fixing hole is formed in the fixing plate, and the fixing sleeve is inserted into the fixing hole and fixed with the fixing hole. Relative twisting or moving between the fixing column and the fixing plate of the torsion-proof heat insulation structure cannot be generated. Meanwhile, the heat insulation sleeve can retard heat flow transmission, and heat flow on the fixing plate is prevented from being transmitted to the fixing column.

Description

Torsion-preventing heat-insulating structure and double-layer vacuum heat-insulating tank using same

Technical Field

The utility model relates to an adiabatic jar field especially relates to a turn round adiabatic structure and use double-deck vacuum adiabatic jar of this structure only.

Background

The current vacuum insulation tank has an inner tank and an outer tank, the inner tank is arranged inside the outer tank, and a vacuum is pumped between the inner tank and the outer tank. The inner tank is used for storing cryogenic liquids such as liquefied natural gas, liquid nitrogen, liquid oxygen and the like. The temperature in the inner tank can be as low as-one hundred degrees celsius. The lack of a necessary secure connection between the inner vessel and the outer vessel results in the inner vessel twisting or moving relative to the outer vessel, thereby damaging the piping that communicates with the inner vessel. Therefore, there is a need for improvements in the prior art.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem that the inner tank of the conventional vacuum heat-insulating tank can twist or move relative to the outer tank. The utility model provides a turn round thermal insulation structure and use the double-deck vacuum heat insulation tank of this structure to solve above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a twist-stop thermal insulation structure comprising:

the fixing column is sleeved with a heat insulation sleeve, and the heat insulation sleeve is sleeved with a fixed sleeve;

the fixing device comprises a fixing plate, wherein a fixing hole is formed in the fixing plate, and the fixing sleeve is inserted into the fixing hole and fixed with the fixing hole.

Preferably, one end of the fixed column forms a first assembling column, and at least two points on the contour line of the cross section of the first assembling column have unequal curvatures;

the heat insulation sleeve is provided with a first assembly hole matched with the shape of the outer wall of the first assembly column; the first assembling column is inserted into the first assembling hole and fixed with the first assembling hole;

the outer wall of the heat insulation sleeve is a first cylindrical surface, and at least two points on the contour line of the cross section of the first cylindrical surface have unequal curvatures; the fixing sleeve is provided with a second assembly hole matched with the outer wall of the heat insulation sleeve, and the heat insulation sleeve is inserted into the second assembly hole and fixed with the second assembly hole.

Preferably, the cross section of the first assembling column is in a D shape, and the cross section of the first cylindrical surface is in a D shape;

the outer wall of the fixing sleeve is a cylindrical surface, the shape of the fixing hole is matched with that of the outer wall of the fixing sleeve, and the fixing sleeve is inserted into the fixing hole and fixed with the fixing hole.

Preferably, the material of the heat insulation sleeve is a heat insulation material.

The utility model also provides a double-deck vacuum heat insulation tank, include:

outer vessel, inner vessel and the above-mentioned twist-stop and thermal insulation structure;

the inner tank is arranged inside the outer tank;

the fixed plate is fixedly connected with the inner wall of the outer tank, and the other end of the fixed column is fixedly connected with the outer wall of the inner tank.

Preferably, the fixed plate is welded and fixed with the inner wall of the outer tank, and the fixed column is welded and fixed with the outer wall of the inner tank.

Preferably, the fixing column, the fixing sleeve, the fixing plate, the inner tank and the outer tank are all made of metal materials.

The beneficial effects of the utility model are that, this kind ends and can't produce relative wrench movement or remove between adiabatic structure's fixed column and the fixed plate. Meanwhile, the heat insulation sleeve can retard heat flow transmission, and heat flow on the fixing plate is prevented from being transmitted to the fixing column.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an exploded view of a preferred embodiment of a twist-stop thermal insulation structure.

FIG. 2 is a schematic structural view of a preferred embodiment of the anti-twist thermal insulation structure.

FIG. 3 is a schematic structural view of a preferred embodiment of the anti-twist thermal insulation structure.

FIG. 4 is a partial cross-sectional view of a preferred embodiment of a double-deck vacuum insulated tank.

In the figure, 1, a fixing column, 101, a first assembly column, 102, a first cylinder, 2, a heat insulation sleeve, 201, a first assembly hole, 3, a fixing sleeve, 301, a second assembly hole, 4, a fixing plate, 401, a fixing hole, 5, an inner tank, 6 and an outer tank.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in FIGS. 1-3, the utility model provides a turn round adiabatic structure only, include:

the fixing column 1 is fixed, one end of the fixing column 1 forms a first assembling column 101, and the other end forms a first cylinder 102. The first assembling column 101 is a straight column, and at least two points on the contour line of the cross section of the first assembling column 101 have unequal curvatures, that is, the cross section of the first assembling column 101 is non-circular, and specifically, the cross section of the first assembling column 101 is D-shaped.

The heat insulating sleeve 2 has a first fitting hole 201 matching the shape of the outer wall of the first fitting column 101, and the first fitting column 101 is inserted into the first fitting hole 201 and fixed to the first fitting hole 201. Specifically, the first mounting hole 201 is a D-shaped hole matched with the first mounting post 101.

The outer wall of the heat insulation sleeve 2 is a first cylindrical surface, the first cylindrical surface is a straight cylindrical surface, and curvatures at least two points on a contour line of the cross section of the first cylindrical surface are not equal, namely the cross section of the first cylindrical surface is non-circular, and specifically the cross section of the first cylindrical surface is D-shaped. The fixing sleeve 3 has a second fitting hole 301 matched with the outer wall of the heat insulating sleeve 2, and the heat insulating sleeve 2 is inserted into the second fitting hole 301 and fixed with the second fitting hole 301. Specifically, the second fitting hole 301 is a D-shaped hole matched with the first cylindrical surface.

The outer wall of fixed cover 3 is the face of cylinder, has seted up fixed orifices 401 on the fixed plate 4, and the shape of fixed orifices 401 and the outer wall phase-match of fixed cover 3, fixed cover 3 insert in fixed orifices 401 and fixed with fixed orifices 401. Specifically, the fixing sleeve 3 is welded and fixed to the fixing hole 401.

Specifically, the material of the thermal insulation sleeve 2 is a thermal insulation material, which means a material capable of retarding heat flow transmission, and the thermal insulation material includes, but is not limited to, polystyrene foam, polyurethane, rock wool, silicate, and other materials.

The fixed sleeve 3 and the fixed plate 4 of the torsion-proof heat insulation structure are fixedly connected, so that relative torsion or movement between the fixed sleeve 3 and the fixed plate 4 is limited, relative torsion or movement between the fixed sleeve 3 and the heat insulation sleeve 2 is limited by matching of the outer wall of the heat insulation sleeve 2 and the second assembling hole 301, relative torsion or movement between the heat insulation sleeve 2 and the fixed column 1 is limited by matching of the first assembling column 101 and the first assembling hole 201, and therefore relative torsion or movement between the fixed column 1 and the fixed plate 4 cannot be generated. Meanwhile, the heat insulation sleeve 2 can retard heat flow transmission, and heat on the fixing plate 4 is prevented from being transmitted to the fixing column 1.

As shown in fig. 4, the present invention also provides a double-deck vacuum insulation tank, comprising:

an outer vessel 6, an inner vessel 5 and a twist-stop and heat-insulating structure as described above. The inner vessel 5 is provided inside the outer vessel 6. The fixed plate 4 is welded and fixed with the inner wall of the outer tank 6, and the first cylinder 102 is welded and fixed with the outer wall of the inner tank 5. The fixing column 1, the fixing sleeve 3, the fixing plate 4, the inner tank 5 and the outer tank 6 are made of metal materials, including but not limited to stainless steel.

The utility model provides an adiabatic structural connection is turned round through ending between inner tank 5 of this kind of double-deck vacuum insulation tank and the outer jar 6, has prevented to produce relative wrench movement or remove between inner tank 5 and the outer jar 6, has avoided inner tank 5 to produce wrench movement or remove for outer jar 6, damages the pipeline with inner tank 5 intercommunication. Meanwhile, cryogenic liquids such as liquefied natural gas, liquid nitrogen and liquid oxygen are generally stored in the inner tank 5, so that the temperature of the inner tank 5 is low, the temperature of the outer tank 6 is high, and the heat of the outer tank 6 is blocked by the heat-insulating sleeve 2 after being transmitted to the fixing sleeve 3 through the fixing plate 4 and cannot be transmitted to the fixing column 1 and the inner tank 5, so that the heat-insulating effect of the double-layer vacuum heat-insulating tank is ensured.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A twist-stop thermal insulation structure comprising:

2. A twist-stop thermal insulation structure as defined in claim 1, wherein:

a first assembling column is formed at one end of the fixing column, and the curvatures at least two points on the contour line of the cross section of the first assembling column are not equal;

3. A twist-stop thermal insulation structure as defined in claim 2, wherein:

the cross section of the first assembling column is D-shaped, and the cross section of the first cylindrical surface is D-shaped;

4. A torsion-stop thermal insulation structure according to claim 3, wherein:

the heat insulation sleeve is made of heat insulation materials.

5. A double-deck vacuum insulated tank, comprising:

an outer tank, an inner tank and a twist-stop and heat-insulating structure as claimed in any one of claims 1 to 4;

the inner tank is arranged inside the outer tank;

6. A double-deck vacuum insulated tank as claimed in claim 5, wherein:

the fixed plate is welded and fixed with the inner wall of the outer tank, and the fixed column is welded and fixed with the outer wall of the inner tank.

7. A double-deck vacuum insulated tank as claimed in claim 6, wherein:

the fixing column, the fixing sleeve, the fixing plate, the inner tank and the outer tank are all made of metal materials.