Ultralow-temperature storage tank pressure vessel

Abstract

The utility model discloses an ultralow-temperature storage tank pressure container, and relates to the technical field of pressure containers. The device comprises a supporting frame and a pressure tank, a pressure reducing mechanism and a storage mechanism are arranged on the supporting frame, and the pressure reducing mechanism comprises a plurality of first buffering assemblies and a plurality of second buffering assemblies; the top surface of the supporting frame is fixedly connected with a vacuum tank, a plurality of first buffer assemblies are arranged in the vacuum tank, each first buffer assembly comprises two sliding grooves formed in the inner wall of the vacuum tank and the outer wall of the pressure tank, the inner walls of the two sliding grooves are both slidably connected with limiting balls, the two limiting balls are both fixedly connected with connecting rods, and the connecting rods are fixedly connected with the supporting frame. The ends, close to each other, of the two connecting rods are fixedly connected with fixing plates, and a first damper is fixedly connected between the two fixing plates. By arranging the pressure reducing mechanism, the vibration amplitude generated when the pressure tank moves is relieved, so that the safe operation and the stable performance of the pressure tank are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure vessels, in particular to an ultra-low temperature storage tank pressure vessel. Background Art

[0002] Ultra-low temperature storage tank pressure vessel is a pressure vessel specially used for storing or transporting liquids or gases under low temperature conditions. This type of container must be designed as a low temperature pressure vessel. According to the definition of low temperature pressure vessel in Appendix C of GB150-1988 "Steel Pressure Vessels", the design temperature of the container is lower than or equal to -20 degrees Celsius. This type of container is widely used in the storage and transportation of liquefied natural gas (LNG) and the storage of other low temperature media.

[0003] During the transportation of cryogenic liquids, the tank may shake to a certain extent, which will cause certain safety problems. The shaking of the tank will cause the cryogenic liquid to flow unstably in the tank, which may further cause liquid leakage or improper filling. If these situations are not controlled and resolved in time, they will pose a certain threat to personnel and equipment during transportation. Utility Model Content

[0004] The utility model aims to provide an ultra-low temperature storage tank pressure vessel, which is provided with a decompression mechanism to reduce the shaking of the liquid inside the pressure tank during transportation, thereby ensuring the safe operation and stable performance of the pressure tank, and solving the problem that the shaking of the tank body causes the unstable flow of the low-temperature liquid in the tank body, which may further cause liquid leakage or improper filling.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is an ultra-low temperature storage tank pressure vessel, comprising a support frame and a pressure tank, wherein a decompression mechanism and a storage mechanism are arranged on the support frame, and the decompression mechanism comprises a plurality of buffer components 1 and a plurality of buffer components 2;

[0007] The top surface of the support frame is fixedly connected to a vacuum tank, a pressure tank is arranged inside the vacuum tank, a plurality of buffer components are arranged inside the vacuum tank, the buffer component includes two slide grooves opened on the inner wall of the vacuum tank and the outer wall of the pressure tank, the inner walls of the two slide grooves are slidably connected to limit balls, the two limit balls are fixedly connected to connecting rods, the ends of the two connecting rods close to each other are fixedly connected to fixing plates, a damper is fixedly connected between the two fixing plates, a sealing tube is connected to the outer wall of the vacuum tank, and a plurality of walking wheels are arranged on the bottom surface of the support frame.

[0008] Further, a first spring is fixedly connected between the two fixing plates, and the first spring is wound around the outer wall of the first damper.

[0009] Further, a number of second buffer components are arranged inside the vacuum tank. The second buffer components include two connecting blocks fixedly connected to the inner wall of the vacuum tank. Two arc-shaped elastic plates are fixedly connected to the outer walls of the two pressure tanks. Two hinge blocks are hinged to the two arc-shaped elastic plates and the two connecting blocks respectively, and a second damper is fixedly connected between the corresponding two hinge blocks.

[0010] Further, a second spring is fixedly connected between the corresponding two hinge blocks, and a number of second springs are respectively wound around the outer walls of a number of second dampers.

[0011] Further, the storage mechanism includes a feeding component and a storage component. The feeding component includes a first fixing block fixedly connected to the outer wall of the vacuum tank. A liquid inlet hose is communicated with the outer wall of the pressure tank, and the end of the liquid inlet hose extends fixedly to the outside of the first fixing block.

[0012] Further, a second fixing block is fixedly connected to the front side of the support frame. A liquid outlet hose is communicated with the outer wall of the pressure tank, and the end of the liquid outlet hose extends fixedly to the outside of the second fixing block.

[0013] Further, the storage component includes a number of semi-circular plates fixedly connected to the inner wall of the pressure tank, and circular grooves are formed in the number of semi-circular plates.

[0014] The utility model has the following beneficial effects:

[0015] 1. By providing a pressure reducing mechanism, the connecting rod, the fixing plate and the first damper cooperate with each other, which can not only stably support the pressure tank inside the support frame, but also relieve the vibration amplitude generated when the pressure tank moves, reduce the sloshing of the liquid inside the pressure tank during transportation, thereby ensuring the safe operation and stable performance of the pressure tank. At the same time, it can also reduce the wear and damage of the pressure tank during transportation, extend its service life, and improve the overall performance and reliability of the equipment.

[0016] 2. By providing a storage mechanism, the semi-circular plate and the circular groove cooperate with each other to further reduce the sloshing of the liquid inside the pressure tank during transportation, avoid the impact force on the pressure tank caused by excessive sloshing amplitude of the liquid, further enhance the safety and stability of the pressure tank, reduce the risk of accidents during transportation of the pressure tank, and can reduce the subsequent maintenance and repair costs, improve the service life of the equipment, and promote the efficient operation of the whole system.

[0017] Of course, it is not necessary for any product implementing the utility model to achieve all the above advantages simultaneously. Brief Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 It is a schematic sectional structure diagram of the vacuum tank of the present utility model;

[0021] Figure 3 It is a schematic sectional structure diagram of the pressure tank of the present utility model;

[0022] Figure 4 is Figure 2 an enlarged schematic structure diagram of part A in

[0023] Figure 5 is Figure 2 an enlarged schematic structure diagram of part B in

[0024] In the drawings, the list of components represented by each reference numeral is as follows:

[0025] 1, support frame; 2, pressure reducing mechanism; 3, storage mechanism; 4, pressure tank; 21, vacuum tank; 22, sliding groove; 23, limiting ball; 24, connecting rod; 25, fixing plate; 26, damper one; 27, spring one; 28, connecting block; 281, arc-shaped elastic plate; 282, hinge block; 283, damper two; 284, spring two; 29, sealing pipe; 31, fixing block one; 32, liquid inlet pipe; 33, fixing block two; 34, liquid outlet pipe; 35, semi-circular plate; 36, circular groove; 37, traveling wheel. Detailed Embodiment

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0027] Please refer to Figures 1-5 as shown. The present utility model is a cryogenic storage tank pressure vessel, including a support frame 1 and a pressure tank 4. A pressure reducing mechanism 2 and a storage mechanism 3 are arranged on the support frame 1. The pressure reducing mechanism 2 includes a number of buffer components one and a number of buffer components two;

[0028] The top surface of the support frame 1 is fixedly connected with a vacuum tank 21. Inside the vacuum tank 21, there is a pressure tank 4. Inside the vacuum tank 21, there are several first buffer components. The first buffer components include two chutes 22 opened on the inner wall of the vacuum tank 21 and the outer wall of the pressure tank 4. The inner walls of the two chutes 22 are both slidably connected with limit balls 23. Fixedly connected to both limit balls 23 are connecting rods 24. The ends of the two connecting rods 24 that are close to each other are both fixedly connected with fixing plates 25. Between the two fixing plates 25, a first damper 26 is fixedly connected. The outer wall of the vacuum tank 21 is communicated with a sealing pipe 29. The bottom surface of the support frame 1 is provided with several traveling wheels 37. Between the two fixing plates 25, a first spring 27 is fixedly connected. The first spring 27 is wound around the outer wall of the first damper 26. Inside the vacuum tank 21, there are several second buffer components. The second buffer components include two connecting blocks 28 fixedly connected to the inner wall of the vacuum tank 21. Fixedly connected to the outer walls of the two pressure tanks 4 are two arc-shaped elastic plates 281. Two hinge blocks 282 are hinged on the two arc-shaped elastic plates 281 and the two connecting blocks 28 respectively. Between the corresponding two hinge blocks 282, a second damper 283 is fixedly connected. Between the corresponding two hinge blocks 282, a second spring 284 is fixedly connected. Several second springs 284 are respectively wound around the outer walls of several second dampers 283. By providing a pressure reducing mechanism 2, the connecting rod 24, the fixing plate 25 and the first damper 26 cooperate with each other. While being able to stably support the pressure tank 4 inside the support frame 1, it can also relieve the vibration amplitude generated when the pressure tank 4 moves, reduce the sloshing of the liquid inside the pressure tank 4 during transportation, thereby ensuring the safe operation and stable performance of the pressure tank 4. At the same time, it can also reduce the wear and damage of the pressure tank 4 during transportation, extend its service life, improve the overall performance and reliability of the equipment. And the first spring 27 and the first damper 26 cooperate with each other to further improve the stability of the overall device. The arc-shaped elastic plate 281, the hinge block 282, the second damper 283 and the second spring 284 cooperate with each other, and can relieve the expansion and contraction of the pressure tank 4 in a vacuum state to a certain extent, thereby further improving the stable performance of the overall device.

[0029] The storage mechanism 3 includes a feeding component and a storage component. The feeding component includes a first fixed block 31 fixedly connected to the outer wall of the vacuum tank 21. A liquid inlet hose 32 is communicatively provided on the outer wall of the pressure tank 4, and the end of the liquid inlet hose 32 fixedly extends to the outside of the first fixed block 31. A second fixed block 33 is fixedly connected to the front side of the support frame 1. A liquid outlet hose 34 is communicatively provided on the outer wall of the pressure tank 4, and the end of the liquid outlet hose 34 fixedly extends to the outside of the second fixed block 33. The storage component includes a plurality of semi-circular plates 35 fixedly connected to the inner wall of the pressure tank 4. A circular groove 36 is formed in each of the plurality of semi-circular plates 35. By providing the storage mechanism 3, the semi-circular plates 35 and the circular grooves 36 cooperate with each other to further reduce the shaking of the liquid in the pressure tank 4 during transportation, avoid the impact force on the pressure tank 4 caused by excessive shaking amplitude of the liquid, and further enhance the safety and stability of the pressure tank 4. This design can provide better protection during transportation and ensure that the pressure tank 4 remains stable and safe under any circumstances.

[0030] A specific application of this embodiment is: by providing a pressure reducing mechanism 2, the plurality of traveling wheels 37 cooperate with each other to facilitate the movement and transportation of the overall device. The chute 22 and the limiting ball 23 cooperate with each other to enable the limiting ball 23 to rotate freely within a certain range. The connecting rod 24, the fixing plate 25 and the first damper 26 cooperate with each other to stably support the pressure tank 4 inside the support frame 1 and at the same time relieve the vibration amplitude generated when the pressure tank 4 moves, reduce the shaking of the liquid inside the pressure tank 4 during transportation, thereby ensuring the safe operation and stable performance of the pressure tank 4. At the same time, it can also reduce the wear and damage of the pressure tank 4 during transportation, extend its service life, improve the overall performance and reliability of the equipment, and the first spring 27 and the first damper 26 cooperate with each other to further improve the stability of the overall device. The arc-shaped elastic plate 281, the hinge block 282, the second damper 283 and the second spring 284 cooperate with each other to relieve the expansion and contraction of the pressure tank 4 in the vacuum state to a certain extent, thereby further improving the stable performance of the overall device. The sealing pipe 29 is used to externally connect a vacuum pump, which can extract the air inside the vacuum tank 21 to enable the pressure tank 4 to be in a low-temperature storage environment;

[0031] By providing the storage mechanism 3, liquid can be transported into and out of the pressure tank 4 through the liquid inlet hose 32 and the liquid outlet hose 34 respectively. The first fixed block 31 and the second fixed block 33 cooperate with each other. When the pressure tank 4 shakes slightly, it can ensure that the hose inside the vacuum tank 21 can be stretched and squeezed to a certain extent, avoiding excessive elongation or breakage of the hose. The semi-circular plates 35 and the circular grooves 36 cooperate with each other to further reduce the shaking of the liquid in the pressure tank 4 during transportation, avoid the impact force on the pressure tank 4 caused by excessive shaking amplitude of the liquid, and further enhance the safety and stability of the pressure tank 4.

[0032] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0033] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A cryogenic storage tank pressure vessel, comprising a support frame (1) and a pressure tank (4), characterized in that: A pressure reducing mechanism (2) and a storage mechanism (3) are provided on the support frame (1). The pressure reducing mechanism (2) includes a number of first buffer components and a number of second buffer components; The top surface of the support frame (1) is fixedly connected with a vacuum tank (21). A pressure tank (4) is arranged inside the vacuum tank (21). A number of first buffer components are arranged inside the vacuum tank (21). The first buffer component includes two chutes (22) opened on the inner wall of the vacuum tank (21) and the outer wall of the pressure tank (4). The inner walls of the two chutes (22) are both slidably connected with limit balls (23). Connecting rods (24) are fixedly connected to both of the two limit balls (23). Fixing plates (25) are fixedly connected to the ends of the two connecting rods (24) close to each other. A first damper (26) is fixedly connected between the two fixing plates (25). A sealing pipe (29) is communicated with the outer wall of the vacuum tank (21). A number of traveling wheels (37) are arranged on the bottom surface of the support frame (1).

2. A cryogenic storage tank pressure vessel according to claim 1, characterized in that, A first spring (27) is fixedly connected between the two fixing plates (25). The first spring (27) is wound around the outer wall of the first damper (26).

3. The cryogenic storage tank pressure vessel according to claim 2, characterized in that, A number of second buffer components are arranged inside the vacuum tank (21). The second buffer component includes two connecting blocks (28) fixedly connected to the inner wall of the vacuum tank (21). Two arc-shaped elastic plates (281) are fixedly connected to the outer wall of the pressure tank (4). Two hinge blocks (282) are hinged to both of the two arc-shaped elastic plates (281) and the two connecting blocks (28). A second damper (283) is fixedly connected between the corresponding two hinge blocks (282).

4. The cryogenic storage tank pressure vessel according to claim 3, characterized in that, A second spring (284) is fixedly connected between the corresponding two hinge blocks (282). A number of the second springs (284) are respectively wound around the outer walls of a number of the second dampers (283).

5. The cryogenic storage tank pressure vessel according to claim 4, characterized in that, The storage mechanism (3) includes a feeding component and a storage component. The feeding component includes a first fixing block (31) fixedly connected to the outer wall of the vacuum tank (21). A liquid inlet hose (32) is communicated with the outer wall of the pressure tank (4). The end of the liquid inlet hose (32) is fixedly extended to the outside of the first fixing block (31).

6. The cryogenic storage tank pressure vessel according to claim 5, characterized in that, A second fixing block (33) is fixedly connected to the front side of the support frame (1). A liquid outlet hose (34) is communicated with the outer wall of the pressure tank (4). The end of the liquid outlet hose (34) is fixedly extended to the outside of the second fixing block (33).

7. The cryogenic storage tank pressure vessel according to claim 6, characterized in that, The storage component includes a number of semi-circular plates (35) fixedly connected to the inner wall of the pressure tank (4). Circular grooves (36) are opened on all of the number of semi-circular plates (35).

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