CN216547814U

CN216547814U - Horizontal low-temperature storage tank

Info

Publication number: CN216547814U
Application number: CN202123096245.3U
Authority: CN
Inventors: 郭涛; 李央; 刘焕杰; 李静; 郭凯欣
Original assignee: Aerosun Corp
Current assignee: Aerosun Corp
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-17
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to a horizontal low-temperature storage tank, and belongs to the technical field of low-temperature liquid storage containers. The tank body of the storage tank is composed of an inner container wound with a heat insulation layer and an outer shell covered outside the inner container, and the front part and the rear part of the inner container are respectively connected with the outer shell through four sliding supports and fixed supports; the fixed support comprises a rear glass reinforced plastic pipe with the inner end embedded into a limiting recess, the outer end of the rear glass reinforced plastic pipe extends into the rear sealing cover, the limiting recess is fixedly connected with the inner container, and the rear sealing cover is fixedly connected with the shell; the sliding support comprises a front glass steel tube, the inner end of the front glass steel tube is in contact with the surface of the inner container, the outer end of the front glass steel tube extends into the front sealing cover, and the front sealing cover is fixedly connected with the shell. After the utility model is adopted, the spacing distance is less, the occupied space is small, and the structure is very compact; the front end can slide relatively, so when the inner container is filled with low-temperature liquid and contracts axially, the compensation deformation stress can be eliminated, and heat leakage can be effectively avoided.

Description

Horizontal low-temperature storage tank

Technical Field

The utility model relates to a storage tank, in particular to an eight-point supported horizontal low-temperature storage tank, and belongs to the technical field of low-temperature liquid storage containers.

Background

An 8-point supporting structure is commonly adopted between a storage tank shell and an inner container which form a low-temperature horizontal storage tank. Typically, the support structure is a glass reinforced plastic tube or a drawstring. However, the supporting structure in the prior art is not only unfavorable for compensating thermal expansion and cold contraction deformation, and is easy to cause stress fatigue damage of the storage tank. In addition, in order to ensure the thermal insulation performance of the storage tank and reduce the heat leakage of the glass fiber reinforced plastics, enough interlayer space must be reserved to ensure the thermal bridge length of the glass fiber reinforced plastics. As a result, the volume of the outer shell increases when the volume of the inner vessel is constant, and the overall weight and cost of the tank increase.

Disclosure of Invention

The utility model aims to: aiming at the problems in the prior art, the horizontal low-temperature storage tank which is reliable in support, can effectively compensate deformation and reduces the space between the inner interlayer and the outer interlayer is provided through structural improvement.

In order to achieve the purposes, the utility model adopts the following basic technical scheme: a horizontal low-temperature storage tank comprises a horizontally extended tank body, wherein the tank body is composed of an inner container wound with a heat insulation layer and an outer shell covering the outer container, and the front part and the rear part of the inner container are respectively connected with the outer shell through four sliding supports and four fixed supports which are distributed circumferentially;

the fixed support comprises a rear glass reinforced plastic pipe, the inner end of the rear glass reinforced plastic pipe is embedded into a limiting recess, the outer end of the rear glass reinforced plastic pipe extends into the rear sealing cover, the limiting recess is fixedly connected with the inner container, and the rear sealing cover is fixedly connected with the shell;

the sliding support comprises a front glass steel tube, the inner end of the front glass steel tube is in contact with the surface of the inner container, the outer end of the front glass steel tube extends into the front sealing cover, and the front sealing cover is fixedly connected to the shell.

After the utility model is adopted, the interlayer is separated by the support tube, the shell and the inner container through the convex sealing cover and the concave limiting concave respectively, so that the spacing distance is small, the occupied space is small, and the structure is very compact; the front end can slide relatively, so when the inner container is filled with low-temperature liquid and contracts axially, the compensation deformation stress can be eliminated, and heat leakage can be effectively avoided.

The utility model is further perfected in that aerogel heat insulation pads are respectively lined between the front glass reinforced plastic pipe and the front sealing cover and between the rear glass reinforced plastic pipe cover and the rear sealing cover, thereby enhancing the heat insulation effect.

The utility model is further perfected in that the heat insulation layers are respectively padded in the front glass steel tube and the rear glass steel tube and filled with heat insulation filling cotton, thereby further playing a role in heat insulation.

The utility model is further perfected in that support plates with positioning holes are respectively welded in the front sealing cover and the rear sealing cover, and the front glass fiber reinforced plastic pipe and the rear glass fiber reinforced plastic pipe are respectively positioned by pin shafts inserted into the corresponding positioning holes.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an enlarged sectional view of a-a in fig. 1.

Fig. 3 is a partially enlarged structural view of the sliding support at B in fig. 2.

Fig. 4 is a partially enlarged structural view of the fixing support at C in fig. 2.

FIG. 5 is a schematic view of the installation structure of the FRP pipe in the embodiment of FIG. 1.

Detailed Description

Example one

The horizontal cryogenic tank of this embodiment is shown in fig. 1 and 2, and employs an eight point support structure. The horizontally extending can body 1 is composed of an inner container 3 wound with an insulating layer 3-1 and an outer shell 2 covering the inner container. The front and rear parts of the inner container 3 are respectively in supporting connection with the outer shell 2 by four sliding supports 4 and four fixed supports 5 distributed circumferentially.

The concrete structure of the sliding support 5 is as shown in fig. 3, and comprises a front glass reinforced plastic pipe 7 with the inner end contacting with the surface of the inner container 3, the outer end of the front glass reinforced plastic pipe 7 extends into a front sealing cover 8 welded and fixedly connected to the outer shell 2, a supporting plate 12 with a positioning hole is welded in the front sealing cover 8, and the front glass reinforced plastic pipe 7 is positioned with the front sealing cover 8 through a pin shaft 13 inserted into the positioning hole. Aerogel heat insulation pads 9 for enhancing heat insulation effect are lined between the front glass fiber reinforced plastic pipe 7 and the front cover 8, a heat insulation layer 11 is padded in the aerogel heat insulation pads, and meanwhile, heat insulation cotton 10 is filled in the aerogel heat insulation pads, so that the heat insulation effect is further achieved.

The concrete structure of the fixed support 4 is as shown in fig. 4, and comprises a rear glass reinforced plastic pipe 7 'with the inner end embedded into a limit recess 15, the outer end of the rear glass reinforced plastic pipe 7' extends into a rear sealing cover 8 ', the limit recess 15 is fixedly connected with the inner container 3 in a welding manner, and the rear sealing cover 8' is fixedly connected with the shell 2 in a welding manner. Other structural details are referred to the movable support and are not described in detail.

Tests prove that the support structure of the embodiment has the strength enough to support the cryogenic tank and the efficiency of eliminating the stress of cold-contraction deformation; the length of a heat bridge formed at the supporting part meets the heat preservation performance, and meanwhile, the interlayer space is effectively reduced. Therefore, when the volume of the inner container is constant, the diameter of the shell can be reduced, the whole weight is reduced, and the manufacturing and running cost is further reduced.

In addition to the above embodiments, the present invention may have other embodiments. Wherein the front and back are used for convenience only and are not limiting. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.

Claims

1. A horizontal cryogenic tank comprising a horizontally extending tank body formed by an inner vessel wrapped with a layer of insulation and an outer shell covering the outer vessel, characterized in that: the front part and the rear part of the inner container are respectively connected with the shell support through four sliding supports and four fixed supports which are distributed circumferentially;

2. The horizontal cryogenic tank of claim 1, wherein: aerogel heat insulation pads are respectively lined between the front glass reinforced plastic pipe and the front sealing cover and between the front glass reinforced plastic pipe and the rear sealing cover.

3. The horizontal cryogenic tank of claim 2, wherein: and the front glass steel tube and the rear glass steel tube are respectively padded with a heat insulation layer and filled with heat insulation filling cotton.

4. The horizontal cryogenic tank of claim 3, wherein: and the front sealing cover and the rear sealing cover are respectively welded with a support plate with a positioning hole, and the front glass fiber reinforced plastic pipe and the rear glass fiber reinforced plastic pipe are respectively positioned by a pin shaft inserted into the corresponding positioning hole.