CN215398390U

CN215398390U - Storage tank and transport vehicle with same

Info

Publication number: CN215398390U
Application number: CN202121436550.XU
Authority: CN
Inventors: 郭军; 侯天华; 刘雨; 李翠; 尹晶; 侯冲; 李斌斌
Original assignee: CRRC Qiqihar Rolling Stock Co Ltd; Dalian CRRC Tielong Containerization Technology Co Ltd
Current assignee: CRRC Qiqihar Rolling Stock Co Ltd; China Railway Tielong Container Logistics Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-04
Anticipated expiration: 2031-06-25

Abstract

The utility model provides a storage tank and a transport vehicle with the same. The storage tank includes: an outer tank body; the inner tank body is arranged in the outer tank body, and the inner tank body and the outer tank body are arranged at intervals; the supporting component is arranged in the gap between the inner tank body and the outer tank body, and comprises: the first supporting structure is arranged between the end part of the inner tank body and the end part of the outer tank body; and the second supporting structures are arranged between the circumferential side wall of the inner tank body and the circumferential side wall of the outer tank body, and the number of the second supporting structures is less than or equal to three. By applying the technical scheme of the utility model, the problem of high heat leakage rate of the support structure of the heat insulation storage tank in the related technology can be solved.

Description

Storage tank and transport vehicle with same

Technical Field

The utility model relates to the technical field of road transportation, in particular to a storage tank and a transport vehicle with the same.

Background

The tank body of the vacuum heat insulation refrigeration liquefied gas tank car is of a double-layer structure, and the inner container is fixed in the outer shell in a specific supporting mode.

In the related art, a commonly used supporting manner is an eight-point supporting structure. The eight-point supporting structure is suitable for a mobile storage tank with the volume of less than 45m3 and the supporting point distance of less than 8m, so that the flexible deformation of the cylinder body has small influence on the mobile storage tank. The volume of the railway tank car is far larger than that of the tank box or the tank car, and the length of the cylinder body is about 20 m. When the inner container is fully loaded with the medium, the flexible deformation of the cylinder body is large, and the inner container and the outer container can be contacted to form a cold bridge. The solution of the above technical problem is to add a set of supports in the middle of the tank, but the supports themselves will also increase the heat conduction area, improve the heat leakage rate of the equipment, reduce the maintenance time, and affect the overall performance of the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a storage tank and a transport vehicle with the same, and aims to solve the problem that a support structure of an insulating storage tank in the prior art is high in heat leakage rate.

In order to achieve the above object, according to one aspect of the present invention, there is provided a tank including: an outer tank body; the inner tank body is arranged in the outer tank body, and the inner tank body and the outer tank body are arranged at intervals; the supporting component is arranged in the gap between the inner tank body and the outer tank body, and comprises: the first supporting structure is arranged between the end part of the inner tank body and the end part of the outer tank body; and the second supporting structures are arranged between the circumferential side wall of the inner tank body and the circumferential side wall of the outer tank body, and the number of the second supporting structures is less than or equal to three.

Further, the first support structure includes: the first support ring is connected with the end part of the inner tank body, and a first interval is formed between the first support ring and the outer tank body; the second support ring is connected with the end part of the outer tank body, the second support ring is nested with the first support ring, and a second interval is formed between the second support ring and the inner tank body; and an insulation ring disposed between the first support ring and the second support ring.

Furthermore, the first supporting structure further comprises a stop ring, the stop ring is connected with the second supporting ring and is positioned at one end far away from the outer tank body, and the stop ring stops the heat insulation ring and is separated from the space between the first supporting ring and the second supporting ring.

Furthermore, the first support ring is connected with the inner tank body in a welding mode, the second support ring is connected with the outer tank body in a welding mode, and the stop ring is connected with the second support ring in a welding mode.

Further, the first support ring is made of a stainless steel material, the second support ring is made of a stainless steel material, and the heat insulation ring is made of an epoxy resin material.

Further, the second support structure includes a support tube supported between the inner and outer tanks.

Further, the second support structure further comprises: the supporting seat is connected with the inner tank body, and a first groove structure is arranged on the supporting seat; the protective cover is connected with the outer tank body, a second groove structure is arranged on the protective cover, and the second groove structure and the first groove structure are arranged oppositely; wherein, the stay tube is inserted and is established in first groove structure and second groove structure, has the clearance between stay tube and supporting seat and/or the protection casing.

Further, the number of the second supporting structures is three, the three second supporting structures are uniformly arranged at intervals in the circumferential direction of the storage tank, and one of the second supporting structures is located right above the storage tank.

Furthermore, the supporting seat and the protective cover are made of stainless steel materials, and the supporting tube is made of epoxy resin materials.

According to another aspect of the utility model, a transportation vehicle is provided, which comprises a vehicle body and a storage tank arranged on the vehicle body, wherein the storage tank is the storage tank.

By applying the technical scheme of the utility model, the first support structure and the second support structure are arranged, so that the first support structure plays a role in supporting the end part of the inner tank body, the second support structure plays a role in supporting the inner tank body in the circumferential direction, and the number of the second support structures is less than or equal to three, thereby greatly reducing the number of the first support structure and the second support structure, reducing the contact area between the support assembly and the inner tank body and the outer tank body, reducing the heat conduction efficiency and ensuring the good heat insulation performance of the equipment.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of a tank according to the utility model;

FIG. 2 shows a side view of FIG. 1;

FIG. 3 shows a partial enlarged view at A of FIG. 1; and

fig. 4 shows a partial enlarged view at B of fig. 2.

Wherein the figures include the following reference numerals:

10. an outer tank body; 20. an inner tank body; 30. a support assembly; 31. a first support structure; 311. a first support ring; 312. a second support ring; 313. a heat insulating ring; 314. a stop ring; 32. a second support structure; 321. supporting a tube; 322. a supporting seat; 323. a shield.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 and 2, the present embodiment provides a storage tank including an outer tank 10, an inner tank 20, and a support assembly 30. The inner tank body 20 is arranged in the outer tank body 10, and the inner tank body 20 and the outer tank body 10 are arranged at intervals; the support assembly 30 is disposed in the gap between the inner can body 20 and the outer can body 10, and the support assembly 30 includes: the first support structure 31 is provided between the end of the inner can 20 and the end of the outer can 10; the second support structures 32 are disposed between the circumferential side walls of the inner can body 20 and the outer can body 10, and the number of the second support structures 32 is three or less.

In this embodiment, because the first supporting structure 31 and the second supporting structure 32 are provided, the first supporting structure 31 can support the end of the inner tank 20, the second supporting structure 32 can support the inner tank 20 in the circumferential direction, and the number of the second supporting structures 32 is less than or equal to three, so that the number of the first supporting structures 31 and the second supporting structures 32 is greatly reduced, the contact area between the supporting component 30 and the inner tank 20 and the outer tank 10 is reduced, the heat conduction efficiency is reduced, and the good heat insulation performance of the equipment is ensured.

Specifically, the storage tank in the present embodiment is a heat-insulated storage tank, particularly a storage tank for storing a frozen liquefied gas, and the length of the outer tank 10 is about 20 m. A common support manner for thermally insulated storage tanks in the related art is an eight-point support structure, i.e., two sets of support structures are provided on the circumferential side wall of the storage tank, each set of support structures including four support points. The contact area between the supporting structure and the storage tank is large in the supporting mode, the storage tank is only supported in the circumferential direction, and the supporting effect is poor.

The setting of the first supporting structure 31 of this embodiment can effectively prevent the internal container body 20 at the ascending drunkenness of axial in the transportation, and the setting of the second supporting structure 32 can effectively prevent the internal container body 20 at ascending drunkenness of circumference in the transportation, and the setting of above-mentioned first supporting structure 31 and second supporting structure 32 can solve the problem that the cold bridge area between the bearing structure of storage tank and the internal container body and the external container body is big among the correlation technique, the heat leak rate is high, excellentThe layout of the supporting components is improved, the number of supporting points is reduced, and the supporting area is 282000mm in the related art²Reduced to 210000mm²The heat leakage rate is reduced by 25 percent, so that the heat leakage rate is reduced by about 1/4, and the storage requirement of the cryogenic medium is favorably met.

As shown in fig. 3, in the present embodiment, the first support structure 31 includes a first support ring 311, a second support ring 312, and a heat insulation ring 313. Wherein, the first supporting ring 311 is connected with the end of the inner tank 20, and a first interval is arranged between the first supporting ring 311 and the outer tank 10; the second support ring 312 is connected with the end of the outer tank 10, the second support ring 312 is nested with the first support ring 311, and a second interval is formed between the second support ring 312 and the inner tank 20; the heat insulating ring 313 is disposed between the first support ring 311 and the second support ring 312.

Preferably, the second support ring 312 in this embodiment is sleeved on the outer periphery of the first support ring 311, and the heat insulation ring 313 is in interference fit with the first support ring 311 and the second support ring 312, so as to avoid heat conduction between the first support ring 311 and the second support ring 312, and ensure a good heat insulation effect of the storage tank.

Further, because the first support ring 311 and the outer tank 10 have a first interval therebetween, and the second support ring 312 and the inner tank 20 have a second interval therebetween, the requirement of the shrinkage of the inner tank 20 can be met, and the situation of support failure caused by separation between the first support ring 311 and the second support ring 312 when the inner tank 20 shrinks is not ensured.

As shown in fig. 3, in the present embodiment, the first supporting structure 31 further includes a stop ring 314, the stop ring 314 is connected to the second supporting ring 312 and is located at an end away from the outer can 10, and the stop ring 314 stops the thermal insulation ring 313 from coming out from between the first supporting ring 311 and the second supporting ring 312.

The arrangement ensures the stability of the installation of the heat insulation ring 313 between the first support ring 311 and the second support ring 312, effectively prevents the heat insulation ring 313 from falling off, ensures the good heat insulation effect of the heat insulation ring 313, and avoids the heat conduction between the first support ring 311 and the second support ring 312.

Preferably, the first support ring 311 is welded to the inner tank 20, the second support ring 312 is welded to the outer tank 10, and the stop ring 314 is welded to the second support ring 312.

The above arrangement ensures the connection strength of the first support ring 311 with the inner tank 20 and the connection strength of the second support ring 312 with the outer tank 10.

In an alternative embodiment not shown, the stop ring and the second support ring may also be provided as an integrally formed structure, which may also ensure the connection strength of the stop ring and the second support ring, and effectively prevent the heat insulation ring from coming out from between the first support ring and the second support ring.

Further, the first support ring 311 is made of stainless steel, the second support ring 312 is made of stainless steel, and the heat insulation ring 313 is made of epoxy resin.

Preferably, the first support ring 311 in this embodiment is made of austenitic stainless steel 06Cr19Ni10 material, and the second support ring is made of 16MnD material, which has strength and thermal insulation performance capable of meeting the requirements of support and thermal insulation, and has low material cost. The heat insulation ring 313 is made of epoxy glass fiber reinforced plastics, and has a good heat insulation effect.

As shown in fig. 4, in the present embodiment, the second support structure 32 includes a support pipe 321, and the support pipe 321 is supported between the inner and

outer vessels

20 and 10.

Through the arrangement, the supporting function can be realized in the circumferential direction of the inner tank body 20, and the relative movement between the inner tank body 20 and the outer tank body 10 is limited.

As shown in fig. 4, in this embodiment, the second support structure 32 further includes a support base 322 and a shield 323. The supporting seat 322 is connected with the inner tank body 20, and a first groove structure is arranged on the supporting seat 322; the protective cover 323 is connected with the outer tank body 10, a second groove structure is arranged on the protective cover 323, and the second groove structure and the first groove structure are arranged oppositely; wherein the supporting tube 321 is inserted into the first groove structure and the second groove structure, and a gap is formed between the supporting tube 321 and the supporting base 322 and/or the shield 323.

With the above arrangement, the support pipe 321 is restricted in the first groove structure and the second groove structure to prevent the support pipe 321 from being released from between the inner tank 29 and the outer tank 10, thereby ensuring the support effect of the support pipe 321.

As shown in fig. 2, in the present embodiment, there are three second support structures 32, and three second support structures 32 are uniformly spaced in the circumferential direction of the storage tank, wherein one second support structure 32 is located directly above the storage tank.

In particular, one of the second support structures 32 is located directly above the tank, where directly above is referred to as the highest point in the vertical direction, and the centre line of the second support structure 32 coincides with the tank axis here. The included angle between the other two second supporting structures 32 and the second supporting structures 32 is 120 degrees, and the arrangement mode can stop the inner tank body 20 from moving in the vertical direction, has excellent anti-shearing capability and prevents the inner tank body 20 from being flexibly deformed in the transportation process.

Further, the support seat 322 and the shield 323 are made of stainless steel, and the support tube 321 is made of epoxy resin.

Preferably, the supporting seat 322 in this embodiment is made of austenitic stainless steel 06Cr19Ni10, the shield 323 is made of austenitic stainless steel 06Cr19Ni10, and the supporting tube 321 is made of epoxy glass fiber reinforced plastic material.

Above-mentioned setting makes supporting seat 322 and protection casing 323 can be fit for cryrogenic operating mode, and material cost is lower, and the thermal-insulated effect of stay tube 321 is better, and structural strength is higher.

The embodiment also provides a transport vehicle, which comprises a vehicle body and a storage tank arranged on the vehicle body, wherein the storage tank is the storage tank.

Thus, a vehicle having the above-described tank also has the above-described advantages.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

because first bearing structure and second bearing structure have been set up to the tip that makes jar body including first bearing structure plays supporting role, the circumference of jar body including the second bearing structure plays supporting role, and the quantity less than or equal to three of second bearing structure, and then reduced first bearing structure and second bearing structure's quantity greatly, reduced the area of contact between supporting component and the interior jar body and the outer jar body, reduced heat-conduction efficiency, guaranteed the good adiabatic performance of equipment.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A storage tank, comprising:

an outer can body (10);

the inner tank body (20) is arranged in the outer tank body (10), and the inner tank body (20) and the outer tank body (10) are arranged at intervals;

a support assembly (30) disposed in a gap between the inner tank (20) and the outer tank (10), the support assembly (30) comprising:

a first support structure (31) arranged between the end of the inner can (20) and the end of the outer can (10);

the second supporting structures (32) are arranged between the circumferential side wall of the inner tank body (20) and the circumferential side wall of the outer tank body (10), and the number of the second supporting structures (32) is less than or equal to three.

2. Tank according to claim 1, characterized in that said first supporting structure (31) comprises:

a first support ring (311) connected to an end of the inner tank (20), the first support ring (311) having a first gap with the outer tank (10);

a second support ring (312) connected with the end of the outer tank (10), wherein the second support ring (312) is nested with the first support ring (311), and a second interval is formed between the second support ring (312) and the inner tank (20);

a heat insulating ring (313) disposed between the first support ring (311) and the second support ring (312).

3. A tank according to claim 2, characterized in that the first support structure (31) further comprises a stop ring (314), the stop ring (314) being connected to the second support ring (312) and located at the end remote from the outer tank (10), the stop ring (314) stopping the thermal insulation ring (313) from coming out between the first support ring (311) and the second support ring (312).

4. A tank according to claim 3, characterized in that the first support ring (311) is welded to the inner tank (20), the second support ring (312) is welded to the outer tank (10), and the stop ring (314) is welded to the second support ring (312).

5. The tank of claim 2, wherein the first support ring (311) is made of a stainless steel material, the second support ring (312) is made of a stainless steel material, and the thermal insulation ring (313) is made of an epoxy resin material.

6. A tank according to claim 1, characterized in that the second support structure (32) comprises support pipes (321), the support pipes (321) being supported between the inner tank (20) and the outer tank (10).

7. A tank according to claim 6, characterized in that said second support structure (32) further comprises:

the supporting seat (322) is connected with the inner tank body (20), and a first groove structure is arranged on the supporting seat (322);

the protective cover (323) is connected with the outer tank body (10), a second groove structure is arranged on the protective cover (323), and the second groove structure and the first groove structure are arranged oppositely;

wherein the support tube (321) is inserted into the first groove structure and the second groove structure, and a gap is formed between the support tube (321) and the support base (322) and/or the protective cover (323).

8. A tank according to claim 1, characterized in that the number of second support structures (32) is three, three of said second support structures (32) being evenly spaced in the circumferential direction of the tank, one of said second support structures (32) being located directly above the tank.

9. The storage tank of claim 7, wherein the support base (322) and the shield (323) are made of stainless steel material and the support tube (321) is made of epoxy material.

10. A carrier vehicle comprising a vehicle body and a tank arranged on the vehicle body, characterized in that the tank is a tank according to any one of claims 1 to 9.