CN216952600U

CN216952600U - Low-temperature adsorbent device of low-temperature vacuum heat-insulation tank box

Info

Publication number: CN216952600U
Application number: CN202220317635.4U
Authority: CN
Inventors: 宋超; 夏海龙; 张旭平; 安宇龙; 王孝松; 张东杰; 谢淑贤
Original assignee: Shandong CRRC Tongli Steel Structure Co Ltd
Current assignee: Shandong CRRC Tongli Steel Structure Co Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-07-12
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a low-temperature adsorbent device of a low-temperature vacuum heat-insulating tank box, which comprises an adsorbent component, an inner container and an outer shell, wherein the adsorbent component is positioned in a vacuum interlayer consisting of the inner container for containing a frozen liquefied gas medium and the outer shell contacted with the atmosphere; the adsorbent assembly comprises a lower support ring, a sieve plate, a stainless steel wire mesh, a feed inlet sealing plate fastener and an upper support ring, wherein the lower support ring, the sieve plate, the stainless steel wire mesh, the feed inlet sealing plate and the upper support ring are welded; the inner container comprises an inner container end socket and an inner container shell, the inner container end socket and the inner container shell are connected in a welding mode, and the adsorbent assembly is arranged on the outer wall side of the inner container end socket in a welding mode. The utility model can greatly improve the contact area of the adsorbent at low temperature in vacuum, fully exert the adsorption performance of the adsorbent at low temperature in vacuum, surely and practically prolong the vacuum life of the interlayer of the vacuum heat-insulating tank, and is beneficial to market popularization.

Description

Low-temperature adsorbent device of low-temperature vacuum heat-insulation tank box

Technical Field

The utility model relates to the technical field of low-temperature tank boxes, in particular to a low-temperature adsorbent device of a low-temperature vacuum heat-insulation tank box.

Background

With the promotion of climate change policies such as domestic emission reduction, carbon peak reaching, carbon neutralization and the like, the national 'double-carbon' target responsibility is practiced, green low-carbon technological innovation actions are actively developed, clean energy is used, and the sustainable development of the society is promoted. The consumption markets of the frozen liquefied gases represented by liquid hydrogen (LH 2), Liquefied Natural Gas (LNG), liquid nitrogen (LN2) and liquid oxygen (LO 2) are rapidly increased, and the cryogenic tank box is used as a storage and transportation carrier of the frozen liquefied gases, has the characteristics of safety, high efficiency and flexibility, conforms to the development plan of national multimodal transport, and is more and more widely applied. The advantages of the cryogenic tank box for loading the frozen liquefied gas are more and more obvious, and the service transportation modes of 'one tank to the bottom' and 'door to door' from the starting place to the destination of the frozen liquefied gas can be realized, so that the intermediate transportation link is reduced, the time is saved, the transportation efficiency is improved, the transportation cost is reduced, the occurrence of accidents is reduced, and the domestic road and sea combined transportation and the foreign railway, road and sea combined transportation can be realized.

In order to realize the maintenance time required for the intermodal transportation or storage of the frozen liquefied gases, prevent the heat outside the container from being transferred to the frozen liquefied gases through the shell, the interlayer space, the heat insulation material and the inner container, ensure the liquid to be vaporized with overpressure and then be released through the safety device, the outer wall of the interlayer close to the inner container of the low-temperature tank box is required to be filled with the necessary low-temperature adsorbent so as to adsorb the gas released by the material in the interlayer after vacuum sealing, maintain the vacuum degree of the interlayer space within a specific age, ensure the heat insulation performance of the low-temperature tank box and achieve the time required for the intermodal transportation or storage, therefore, the low-temperature adsorbent device is an extremely important component of the low-temperature tank box, is a core structure of a low-temperature adsorbent placing device, the existing low-temperature adsorbent device is placed over-concentratedly or distributed unevenly, so that the adsorbent cannot exert the performance to the maximum extent, and has poor adsorption effect, therefore, a low-temperature adsorbent device of a low-temperature vacuum insulation tank box is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-temperature adsorbent device of a low-temperature vacuum heat-insulating tank box.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a low-temperature adsorbent device of a low-temperature vacuum heat insulation tank box comprises an adsorbent assembly, an inner container and an outer shell, wherein the adsorbent assembly is positioned in a vacuum interlayer consisting of the inner container for containing a frozen liquefied gas medium and the outer shell in contact with the atmosphere;

the adsorbent assembly comprises a lower support ring, a sieve plate, a stainless steel wire mesh, a feed inlet sealing plate fastener and an upper support ring, wherein the lower support ring, the sieve plate, the stainless steel wire mesh, the feed inlet sealing plate and the upper support ring are welded;

the inner container comprises an inner container end socket and an inner container shell, the inner container end socket and the inner container shell are connected in a welding mode, and the adsorbent assembly is arranged on the outer wall side of the inner container end socket in a welding mode;

the shell comprises a shell sealing head, a shell body and a shell body feed inlet assembly.

Preferably, the outer shell feed inlet assembly corresponds to the feed inlet cover plate.

Preferably, the stainless steel wire mesh points are welded on the inner surface of the curved surface of the sieve plate.

Preferably, the lower support ring and the upper support ring are welded to the outer surface of the inner vessel head.

Preferably, the sieve plate is fixed with the lower support ring and the upper support ring in a welding mode.

Preferably, a space filled with the adsorbent is formed among the inner container end socket, the lower support ring, the upper support ring and the sieve plate.

Compared with the prior art, the utility model has the advantages that:

maintain the intermediate layer vacuum through setting up the low temperature adsorbent device, guarantee the thermal insulation performance of low temperature vacuum insulation tank case, low temperature vacuum insulation tank case is after the intermediate layer evacuation seals, the adsorbent among the low temperature adsorbent device begins to adsorb gas leakage and material gassing in the intermediate layer, thereby play extension vacuum life's effect, this scheme can improve the area of contact of adsorbent under vacuum low temperature greatly, full play its adsorption performance under vacuum low temperature, surely real extension vacuum insulation tank case intermediate layer's vacuum life, be favorable to carrying out marketing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a side view block diagram of the present invention;

fig. 3 is a partially enlarged structural view of the present invention.

In the figure: 1 sorbent assembly, 101 lower support ring, 102 screen plate, 103 stainless steel screen, 104 feed inlet closing plate, 105 feed inlet closing plate fastener, 106 upper support ring, 2 inner container, 201 inner container sealing head, 202 inner container shell, 3 outer shell, 301 outer shell sealing head, 302 outer shell, 303 outer shell feed inlet assembly.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Referring to fig. 1-3, the present invention provides a low-temperature adsorbent device for a low-temperature vacuum insulation tank box, comprising an adsorbent assembly 1, an inner container 2 and an outer shell 3, wherein the adsorbent assembly 1 is located in a vacuum interlayer composed of the inner container 2 for containing a frozen liquefied gas medium and the outer shell 3 contacting with the atmosphere;

the adsorbent assembly 1 comprises a lower support ring 101, a sieve plate 102, a stainless steel wire mesh 103, a feed inlet seal plate 104, feed inlet seal plate fasteners 105 and an upper support ring 106, wherein the lower support ring 101, the sieve plate 102, the stainless steel wire mesh 103, the feed inlet seal plate 104 and the upper support ring 106 are welded;

the inner container 2 comprises an inner container end socket 201 and an inner container shell 202 which are connected in a welding mode, and the adsorbent component 1 is arranged on the outer wall side of the inner container end socket 201 in a welding mode;

the housing 3 comprises a housing head 301, an outer housing 302 and an outer housing feed opening assembly 303.

As shown in FIG. 1, the outer housing port assembly 303 corresponds to the inlet cover 104.

As shown in fig. 3, a stainless steel wire mesh 103 is spot welded to the curved inner surface of the screen plate 102.

As shown in fig. 1, the lower support ring 101 and the upper support ring 106 are welded to the outer surface of the inner vessel head 201.

Further, the screen plate 102 is welded and fixed to the lower support ring 101 and the upper support ring 106.

As shown in fig. 1, a space filled with adsorbent is formed between inner vessel head 201, lower support ring 101, upper support ring 106, and sieve plate 102.

The detailed working principle is as follows: take away feed inlet apron 104 and shell body charge door subassembly 303 when filling the adsorbent, fill earlier after finishing to cover feed inlet apron 104, reuse feed inlet apron fastener 105 fastens feed inlet apron 104, prevents that the tank box from leaking because of the adsorbent that jolts and causes in the use, then adorn shell body charge door subassembly 303 again, like this after tank box intermediate layer formation vacuum, the adsorbent just begins its adsorption work under vacuum low temperature.

When assembling low temperature adsorbent device 1, earlier with stainless wire net 103 spot welding to the internal surface of sieve 102 curved surface, simultaneously with feed inlet shrouding fastener 105 bolt point solid in the corresponding position of sieve 102 feed inlet annex, stainless wire net 103 effect prevents that the adsorbent from leaking through the macropore on the sieve 102 firstly, secondly plays the even absorbent effect of adsorbent. Then welding the lower support ring 101 and the upper support ring 106 on the outer surface of the inner container end socket 201, and then firmly welding the sieve plate 102 welded with the stainless steel wire mesh 103 with the lower support ring 101 and the upper support ring 106, so that a space for filling the adsorbent is formed among the inner container end socket 201, the lower support ring 101, the upper support ring 106 and the sieve plate 102.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the utility model, as long as they do not exceed the scope of the utility model described in the claims.

Claims

1. A low-temperature adsorbent device of a low-temperature vacuum heat insulation tank box is characterized by comprising an adsorbent assembly, an inner container and an outer shell, wherein the adsorbent assembly is positioned in a vacuum interlayer consisting of the inner container for containing a frozen liquefied gas medium and the outer shell in contact with the atmosphere;

2. The low-temperature adsorbent device of a low-temperature vacuum insulation tank box according to claim 1, characterized in that: the shell body feed inlet component corresponds to the feed inlet cover plate.

3. The cryogenic adsorbent device for a cryogenic vacuum insulation tank of claim 1, wherein: the stainless steel wire mesh points are welded on the inner surface of the curved surface of the sieve plate.

4. The cryogenic adsorbent device for a cryogenic vacuum insulation tank of claim 1, wherein: the lower support ring and the upper support ring are welded on the outer surface of the inner container sealing head.

5. The cryogenic adsorbent device for a cryogenic vacuum insulation tank of claim 1, wherein: the sieve plate is fixedly welded with the lower support ring and the upper support ring.

6. The cryogenic adsorbent device for a cryogenic vacuum insulation tank of claim 1, wherein: and a space for filling the adsorbent is formed among the inner container end socket, the lower support ring, the upper support ring and the sieve plate.