WO2021128877A1

WO2021128877A1 - Frozen liquefied gas tank container

Info

Publication number: WO2021128877A1
Application number: PCT/CN2020/109725
Authority: WO
Inventors: 贺军; 王伟; 庄晓东; 郭怀远; 刘磊; 尹梦琦; 李照明
Original assignee: 中车西安车辆有限公司
Priority date: 2019-12-27
Filing date: 2020-08-18
Publication date: 2021-07-01
Also published as: CN110939866A

Abstract

A frozen liquefied gas tank container, comprising a tank body (1), a frame (2), an internal pipeline (3) and a valve pipeline assembly (4); the tank body comprises an inner container (11), a housing (12) sleeved outside the inner container, a fixed support (13) and a sliding support (14) connecting the inner container and the housing, a skirt (15) connecting the frame and the tank body, and a heat insulation layer provided between the inner container and the housing and wound around the inner container; the frame comprises two opposite end frames (21), mutually parallel side beams (22) connected between the two end frames, a bottom beam (23), a support seat (24), a bottom inclined brace (25) and a support (26); the tank body is provided in the frame, and the tank body is connected to the frame by means of the skirt and the bottom beam; one end of the internal pipeline is in communication with the inner container, and the other end extends out of the housing and is connected to the valve pipeline assembly, and the valve pipeline assembly is located in a triangular area enclosed by the tank body, the end frames and the bottom beam. The frozen liquefied gas tank container can achieve railway, highway, and waterway transportations and combined transportations thereof, and has a large volume, a small self-weight, high safety and good adaptability.

Description

Refrigerated liquefied gas tank container

Technical field

The invention belongs to the technical field of logistics transportation, and specifically relates to a refrigerated liquefied gas tank container.

Background technique

With the continuous growth of my country’s gas industry, the consumption market of refrigerated liquefied gas represented by liquefied natural gas and liquid nitrogen has increased rapidly. The refrigerated liquefied gas tank container, due to its safety, efficiency and flexibility, is also in line with the national multimodal transport requirements. The development plan has been applied more and more widely.

Existing refrigerated liquefied gas tank containers need to withstand the impact load during road, rail, and water transportation, especially the impact load of Chinese railways. The tank body and frame of the tank container are designed to be very strong, resulting in the tank container Self-heavy, small volume, low technical and economic indicators.

The valve pipeline or loading and unloading port of the existing refrigerated liquefied gas tank container is set at the end of the tank container. This design is not suitable for railway transportation in China, because most of the ends of the existing flat cars are equipped with end door stoppers. In the process of railway transportation, if there is an emergency, it is impossible to open the door and box to operate the valve or transfer the shipping medium, which will further expand the accident and even cause personal accidents.

Summary of the invention

In view of the shortcomings of the prior art, the purpose of the present invention is to provide a tank container for refrigerated liquefied gas, which can realize railway, highway, waterway and their combined transportation, has large volume, small weight, high safety, and good adaptability. The existing refrigerated liquefied gas tank container has the problems of small load, heavy weight, low safety and poor versatility.

In order to solve the above technical problems, the present invention adopts the following technical solutions to achieve:

A refrigerated liquefied gas tank container, including a tank body, a frame, internal pipelines and valve pipeline components;

The tank body includes an inner container, an outer shell sleeved on the outside of the inner container, and a heat insulating layer arranged between the inner container and the outer shell and wound on the inner container; a skirt connecting the tank body and the frame; between the inner container and the outer shell Equipped with fixed supports and fixed supports, and the space between the inner container and the outer shell is a vacuum environment;

The frame includes two opposite end frames, four side beams, bottom beams, supports, bottom braces and supports connected between the two end frames that are parallel to each other and perpendicular to the plane where the end frames are located; The frame includes a horizontal upper beam and a lower beam parallel to each other, two vertical corner posts parallel to each other, and corner pieces that connect the upper beam, the lower beam and the two corner posts to form a rectangular frame; four corners are provided at the four corners of the rectangular frame. The bottom beam and the end frame are connected vertically; the side beams are connected at the four corners of the rectangular frame; the bottom diagonal brace connects the support and the corner pieces; the support connects the side beam and the shell; the tank body Placed in the frame, and the tank body is connected to the frame through the skirt and bottom beam;

One end of the internal pipeline is connected to the inner container, and the other end passes through the outer shell to connect with the valve pipeline assembly, which is located in the triangle area enclosed by the tank body, the end frame and the bottom beam.

The present invention also includes the following technical features:

Specifically, the inner container has a cylindrical structure, and the seal heads at both ends of the inner container are arc surfaces; the outer shell has a cylindrical structure, and the seal heads at both ends of the outer shell have a dish-shaped structure;

Specifically, a support is provided between the side beam and the shell.

Specifically, the two ends of the diagonal brace are connected to the upper end beam and the upper part of the corner post, or connected to the lower end beam and the lower part of the corner post, and the angle between the diagonal brace and the corner post, upper end beam or lower end beam to which it is connected is 40°~ 50°.

Specifically, the fixed support and the sliding support are both multiple support members, which are arranged along the inner container and the outer shell to connect the inner container and the outer shell; the multiple support members close to the valve pipeline assembly are fixed supports and are away from the valve pipeline The multiple support members of the assembly are sliding supports.

Specifically, the valve pipeline assembly includes a valve box, a valve pipeline arranged in the valve box, and a loading and unloading port; the valve pipeline communicates with the internal pipeline.

Compared with the prior art, the present invention has the following technical effects:

The invention can realize railway, highway, waterway and their combined transportation, has large volume, small dead weight, high safety and good adaptability, and solves the problem of small load, self-heavy, low safety and poor versatility of the existing refrigerated liquefied gas tank container problem.

The invention optimizes the frame structure and its connection structure with the tank by reasonably matching the tank parameters such as the inner and outer container parameters, the thickness of the insulation layer, the length and diameter of the supporting member, and the height of the reinforcing ring, so as to maximize the volume and the tank is light. Quantify, and meet the combined transportation of road, railway and waterway at the same time, especially to meet the requirements of China's railway transportation conditions.

The valve pipeline equipment of the present invention is located below the tank container side, which can effectively protect the loading and unloading valve, enhance transportation safety, and facilitate emergency treatment of accidents.

Description of the drawings

Figure 1 is a front view of the present invention.

Figure 2 is a side view of the present invention.

The meaning of each label in the figure is: 1-tank body, 2-frame, 3-internal pipeline, 4-valve pipeline assembly;

11-inner container, 12-outer shell, 13-fixed support, 14-sliding support, 15-skirt seat;

21-end frame, 22-side beam, 23-bottom beam, 24-support, 25-bottom diagonal brace, 26-support;

211-upper beam, 212-lower beam, 213-corner column, 214-corner, 215-bracing;

41-valve box, 42-valve pipeline, 43-loading and unloading port.

Detailed ways

Specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations made on the basis of the technical solutions of the present application fall within the protection scope of the present invention.

Example 1:

Following the above technical solution, as shown in FIGS. 1 to 2, this embodiment provides a refrigerated liquefied gas tank container, which includes a tank body 1, a frame 2, an internal pipeline 3 and a valve pipeline assembly 4.

The tank body 1 includes an inner container 11, an outer shell 12 sleeved outside the inner container 11, a fixed support 13 and a sliding support 14 connecting the inner container 11 and the outer shell 12, a skirt 15 connecting the tank body 1 and the frame 2, and an inner container. The insulation layer between 11 and the outer shell 12 and wound on the inner container 11; the tank body is a high-vacuum multi-layer wound insulation low-temperature container, and the outer wall of the inner container is wound with a multilayer reflective screen (aluminum foil) and a heat insulation layer composed of glass fiber paper. , The jacket formed between the inner and outer shells is evacuated to a high vacuum to achieve the purpose of heat insulation; a supporting member is provided between the inner container 11 and the outer shell 12 to connect the inner container 11 and the outer shell 12.

The frame 2 includes two opposite end frames 21, four side beams 22 that are parallel to each other and perpendicular to the plane where the end frames 21 are connected, a bottom beam 23 and a support 24, and a bottom diagonal brace 25. And support 26; end frame 21 includes a horizontal upper end beam 211 and a lower end beam 212 parallel to each other, two parallel vertical corner posts 213, and corner pieces connecting the upper end beam 211, the lower end beam 212 and the two corner posts 213 into a rectangular frame 214; Four diagonal braces 215 are provided at the four corners of the rectangular frame; the bottom beam 23 is connected perpendicularly to the end frame 21; the side beams 22 are connected to the four corners of the rectangular frame; the bottom diagonal brace 25 is connected to the support on the bottom beam 23 24 and corner pieces 214; tank body 1 is placed in frame 2, and tank body 1 and frame 2 are connected by skirt 25 and bottom beam 23, so that the load is distributed and transmitted through multiple paths, which can meet the severe railway transportation conditions Requirements, and realized the lightweight design of the overall frame. The frame adopts cold-formed profiles with different cross-sections, specifications and thicknesses and optimizes the structure, which improves the reliability of the frame and the safety of the tank body, while effectively reducing the weight of the frame; the bottom of the frame is equipped with gooseneck grooves, flatbed carts and skeletons Cars can be transported, and it has strong versatility.

One end of the internal pipeline 3 is connected to the inner container 11, and the other end passes through the outer shell 12 to connect to the valve pipeline assembly 4, which is located in the triangle area enclosed by the tank body 1, the end frame 21 and the bottom beam 23.

The inner container 11 has a cylindrical structure, and the heads at both ends of the inner container 11 are circular arc surfaces; the outer casing 12 is a cylindrical structure, and the heads at both ends of the outer casing 12 have a dish-shaped structure; it gives full play to the acceptance of the circular arc surface heads. The characteristics of good strength and small depth of the dish-shaped head. By reasonably matching the tank parameters such as the diameter and thickness of the inner container, the diameter and thickness of the outer shell, the thickness of the insulation layer, the length and diameter of the supporting member, the height of the reinforcing ring, etc., and fully considering the requirements of the flat car weight limit and the container limit, the tank body can meet The vacuum insulation index maximizes its volume while reducing its weight.

A support 26 is provided between the side beam 22 and the housing 12 to better protect the housing.

Both ends of the diagonal brace 215 are connected to the upper part of the upper end beam 211 and the corner post 213, or to the lower end of the lower end beam 212 and the corner post 213. The angle between the diagonal brace 215 and the corner post 213, upper end beam 211, or lower end beam 212 to which it is connected is equal It is 40°～50°.

Both the fixed support 13 and the sliding support 14 are multiple support members, which are arranged in the circumferential direction of the inner container 11 and the outer casing 12 to connect the inner container 11 and the outer casing 12; the multiple support members close to the valve pipeline assembly 4 are fixed supports 13, far away The multiple supporting members of the valve pipeline assembly 4 are sliding supports 14.

The valve pipeline assembly 4 includes a valve box 41, a valve pipeline 42 arranged in the valve box 41, and a loading and unloading port 43; the valve pipeline 42 is in communication with the internal pipeline 3. The valve pipeline and loading port are located under the side of the tank container, which can effectively prevent damage to the valve pipeline and loading port caused by rear-end collision, avoiding the expansion of accidents; and during railway transportation, the door box can be opened, which is convenient for valve operation and timely. Emergency treatment.

The preferred embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details in the above-mentioned embodiments. Within the scope of the technical concept of the present invention, many simple modifications can be made to the technical solutions of the present invention. These simple modifications all belong to the protection scope of the present invention.

In addition, it should be noted that the various specific technical features described in the foregoing specific embodiments can be combined in any suitable manner, provided that there is no contradiction. In order to avoid unnecessary repetition, various possible combinations are not described separately in the present invention.

In addition, various different embodiments of the present invention can also be combined arbitrarily, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims

A refrigerated liquefied gas tank container, which is characterized by comprising a tank body (1), a frame (2), an internal pipeline (3) and a valve pipeline assembly (4);

The tank body (1) includes an inner container (11), a shell (12) sleeved outside the inner container (11), a fixed support (13) and a sliding support (14) that connect the inner container (11) and the shell (12) ), the skirt (15) connecting the tank body (1) and the frame (2), and the insulation layer arranged between the inner container (11) and the outer shell (12) and wound on the inner container (11); the inner container (11) The space between (11) and the housing (12) is a vacuum environment;

The frame (2) includes two opposite end frames (21), four side beams (22) connected between the two end frames (21) that are parallel to each other and perpendicular to the plane of the end frame (21), The bottom beam (23) and the support (24), the bottom brace (25) and the support (26); the end frame (21) includes a transverse upper end beam (211) and a lower end beam (212) parallel to each other, parallel to each other The two vertical corner posts (213) and the corner pieces (214) connecting the upper end beam (211), the lower end beam (212) and the two corner posts (213) to form a rectangular frame; four corners of the rectangular frame are provided Diagonal brace (215); the bottom beam (23) is vertically connected to the end frame (21); the side beams (22) are connected at the four corners of the rectangular frame; the bottom diagonal brace (25) is connected to the bottom beam ( 23) the support (24) and the corner piece (214); the support (26) connects the side beam (22) and the shell (12); the tank (1) is placed in the frame (2), and The tank body (1) is connected with the frame (2) through the skirt seat (25) and the bottom beam (23);

One end of the internal pipeline (3) is connected to the inner container (11), and the other end passes through the outer shell (12) to connect to the valve pipeline assembly (4), and the valve pipeline assembly (4) is located in the tank body (1) , Within the triangular area enclosed by the end frame (21) and the bottom beam (23).
The refrigerated liquefied gas tank container according to claim 1, wherein the inner container (11) has a cylindrical structure, and the heads at both ends of the inner container (11) are arc surfaces; the outer shell (12) ) Is a cylindrical structure, and the heads at both ends of the shell (12) are of a dish-shaped structure.
The refrigerated liquefied gas tank container according to claim 1, wherein a support (26) is provided between the side beam (22) and the outer shell (12).
The refrigerated liquefied gas tank container according to claim 1, wherein the two ends of the diagonal brace (215) are connected to the upper end beam (211) and the upper part of the corner post (213), or connected to the lower end beam (212) The angle between the diagonal brace (215) and the connected corner column (213), the upper end beam (211) or the lower end beam (212) is 40°-50° with the lower part of the corner post (213).
The refrigerated liquefied gas tank container according to claim 1, characterized in that, the fixed support (13) and the sliding support (14) are both a plurality of support members, which are arranged around the inner container (11) and the outer shell (12). Layout, connecting the inner container (11) and the outer shell (12); the multiple support members close to the valve pipeline assembly (4) are fixed supports (13), and the multiple support members far away from the valve pipeline assembly (4) are sliding Support (14).
The refrigerated liquefied gas tank container according to claim 1, wherein the valve pipeline assembly (4) comprises a valve box (41), a valve pipeline (42) arranged in the valve box (41), and Loading and unloading port (43); the valve pipeline (42) is in communication with the internal pipeline (3).