CN212617594U

CN212617594U - Vacuum powder heat insulation low-temperature liquid storage tank

Info

Publication number: CN212617594U
Application number: CN202021356179.1U
Authority: CN
Inventors: 李海平; 余成君; 于洋; 李星星; 罗昊天; 张颖
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-02-26
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a thermal insulation cryogenic liquids basin of vacuum powder, including outer barrel, the inside of outer barrel is provided with interior barrel, it has the insulator to fill between outer barrel and the interior barrel, the bottom of outer barrel is provided with pipe-line system, the bottom of outer barrel is provided with the support, the inside of support is provided with the glass steel. The utility model discloses, satisfying the normal work of the inside low temperature equipment in position, add the glass steel between the outer barrel including, satisfying and to support axial load and maintain under the stable prerequisite of internal environment, utilize the characteristics that glass steel coefficient of heat conductivity is little, barrel is through supporting the heat leakage quantity that produces in the reduction, the relief valve device to the pipe-line system design of deuterogamying, after barrel internal pressure surpassed certain numerical value in, equipment and personal safety are ensured through the release, and set up explosion-proof equipment on the barrel outside, improve the security of storage tank.

Description

Vacuum powder heat insulation low-temperature liquid storage tank

Technical Field

The utility model relates to a cryogenic liquids basin technical field specifically is a adiabatic cryogenic liquids basin of vacuum powder.

Background

In the fifth and sixty years of the last century, along with the development of society, the demand for low-temperature engineering is increasing, and low-temperature technology is rapidly developed. Liquefied gases such as liquefied natural gas, liquefied nitrogen and liquefied oxygen are closely related to national life, and the dependence on low-temperature liquid is increasingly tight due to the development requirements of many industries in society. Since these liquefied gases are very volatile, difficult to extract and difficult to store, their safety performance is very high.

The existing low-temperature liquid storage tank is designed to be of a bottom structure, when the tank body moves, axial load and radial load are difficult to meet, and then the stability of the internal environment cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal-insulated cryogenic liquids basin of vacuum powder to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermal-insulated cryogenic liquids basin of vacuum powder, includes outer barrel, the inside of outer barrel is provided with interior barrel, it has the insulator to fill between outer barrel and the interior barrel, the bottom of outer barrel is provided with pipe-line system, the bottom of outer barrel is provided with the support, the inside of support is provided with the glass steel.

Preferably, a high vacuum interlayer is arranged inside the outer cylinder body.

Preferably, the number of the heat insulators is not less than one layer, and the heat insulators are made of pearlife or aluminum foil and heat insulation cotton.

Preferably, the pipeline system is communicated with the inner cylinder body, and the pipeline system is communicated with the inner cylinder body and is provided with two safety valves connected in parallel.

Preferably, the top of the glass fiber reinforced plastic is fixedly connected with the bottom of the outer cylinder body in a welding mode.

Preferably, glass fiber reinforced plastic is filled between the bottom of the inner cavity of the outer cylinder and the bottom of the outer surface of the inner body.

Compared with the prior art, the beneficial effects of the utility model are that: this adiabatic cryogenic liquids basin of vacuum powder, satisfying the normal work of the inside low temperature device in position, including adding the glass steel between the outer barrel, satisfying and to support axial load and maintain under the stable prerequisite of internal environment, utilize the characteristics that glass steel coefficient of heat conductivity is little, barrel is through supporting the heat leakage quantity that produces in the reduction, the safety valve device to the pipe-line system design of deuterogamying, after barrel internal pressure surpassed certain numerical value in, equipment and personal safety are ensured through the release, and set up explosion-proof equipment on the outer barrel, improve the security of storage tank.

1. Through outer barrel, the cooperation between the subassemblies such as interior barrel support, the outer barrel will add a glass steel in the middle of the support of the internal barrel, glass steel coefficient of heat conductivity is little, thereby intensity is good to reduce the interior container and passes through the heat leakage quantity that supports, the axial load that also is used for bearing the inner tube simultaneously also guarantees the stable work after the interior container full-filling cryogenic liquids, the axial brace of interior barrel and outer barrel also needs the heat leakage quantity that reduces with the glass steel, the radial support of the internal barrel of outer barrel when also bearing the transportation simultaneously, the axial brace's of reduction basin.

2. Through the cooperation between components such as outer barrel, interior barrel, insulator, through the inside high vacuum intermediate layer that sets up, the cooperation insulator reduces the heat that leaks into cryogenic facilities through ways such as convection current, heat conduction, radiation to maintain cryogenic device's normal work, play good adiabatic effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the bottom structure of the present invention;

FIG. 3 is an enlarged view of the internal structure of the portion A in FIG. 1;

fig. 4 is a bottom view of the structure of the present invention.

In the figure: the device comprises an outer cylinder body 1, an inner cylinder body 2, a heat insulator 3, a pipeline system 4, a support 5 and glass fiber reinforced plastic 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a thermal-insulated cryogenic liquids basin of vacuum powder, including outer barrel 1, the inside of outer barrel 1 is provided with the high vacuum intermediate layer, the inside of outer barrel 1 is provided with interior barrel 2, it has glass steel 6 to fill between the bottom of outer barrel 1 inner chamber and the bottom of interior body 2 surfaces, it has insulator 3 to fill between outer barrel 1 and the interior barrel 2, the quantity of insulator 3 is no less than the one deck, and the material that insulator 3 used is pearly-lustre sand or aluminium foil and heat preservation cotton, the bottom of outer barrel 1 is provided with pipe-line system 4, pipe-line system 4 is linked together with interior barrel 2 and is provided with two relief valves with the parallel connection form, the bottom of outer barrel 1 is provided with support 5, the inside of support 5 is provided with glass steel 6, the top of glass steel 6 is through welded.

The working principle is as follows: when in use, in order to reduce the heat leakage rate of the liquid storage tank, the pipeline of the inner cylinder 2 is required to be close to the inner cylinder 2 and the inner sealing head as much as possible, the pipeline of the inner cylinder 2 finally extends to the lower part of the outer sealing head through the small sealing head, a piece of glass fiber reinforced plastic 6 is required to be added in the middle of the support of the inner container of the outer cylinder 1, because the glass fiber reinforced plastic 6 has small heat conductivity coefficient and good strength, the heat leakage of the inner cylinder 2 through the support is reduced, meanwhile, the axial load of the inner cylinder 2 is also used for bearing the axial load of the inner cylinder 2, the stable work of the inner container after being fully filled with low-temperature liquid is ensured, meanwhile, the radial support of the inner cylinder 2 by the outer cylinder 1 during transportation is also borne, the load of the axial support of the storage tank is reduced, the inner cylinder 2 and a pipeline safety valve device are arranged on the pipeline of the storage tank, the, the inner cylinder body 2 is decompressed to ensure the safety of equipment and personnel. The outer cylinder body 1 is provided with an explosion-proof device, and when the pressure of the vacuum jacket rises to exceed an allowable value due to the fact that the inner cylinder body leaks accidentally, the explosion-proof membrane is detonated to rapidly release pressure. Because the working medium of the liquid storage tank is flammable and explosive liquefied gas lighter than air, and a detonation air mass is easily formed, in order to prevent flame from entering a pipeline, a flame arrester FA is additionally arranged at a gas vent, and the flame can be effectively prevented from entering the pipeline. Meanwhile, the safety of the storage tank is effectively improved due to the arrangement of elements such as a pressure gauge, an adjusting valve and a full measuring valve.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a thermal-insulated cryogenic liquids of vacuum powder basin, includes outer barrel (1), its characterized in that: the inner barrel body (2) is arranged inside the outer barrel body (1), a heat insulator (3) is filled between the outer barrel body (1) and the inner barrel body (2), a pipeline system (4) is arranged at the bottom of the outer barrel body (1), a support (5) is arranged at the bottom of the outer barrel body (1), and glass fiber reinforced plastics (6) are arranged inside the support (5).

2. A vacuum powder insulated cryogenic liquid storage tank as claimed in claim 1, wherein: the inner part of the outer cylinder body (1) is provided with a high vacuum interlayer.

3. A vacuum powder insulated cryogenic liquid storage tank as claimed in claim 1, wherein: the number of the heat insulators (3) is not less than one layer, and the heat insulators (3) are made of pearlife or aluminum foil and heat insulation cotton.

4. A vacuum powder insulated cryogenic liquid storage tank as claimed in claim 1, wherein: the pipeline system (4) is communicated with the inner cylinder body (2), and the pipeline system (4) is communicated with the inner cylinder body (2) and is provided with two safety valves which are connected in parallel.

5. A vacuum powder insulated cryogenic liquid storage tank as claimed in claim 1, wherein: the top of the glass fiber reinforced plastic (6) is fixedly connected with the bottom of the outer cylinder body (1) in a welding mode.

6. A vacuum powder insulated cryogenic liquid storage tank as claimed in claim 1, wherein: and glass fiber reinforced plastics are filled between the bottom of the inner cavity of the outer cylinder body (1) and the bottom of the outer surface of the inner cylinder body (2).