Solid hydrogen storage device

Abstract

The utility model discloses a solid hydrogen storage device, which relates to the technical field of solid hydrogen storage equipment, and comprises a storage tank, a hydrogen storage tank is fixedly connected inside the storage tank, a cooling assembly is arranged outside the hydrogen storage tank, and the cooling assembly comprises an electric push rod, a lifting ring, a connecting block, a cleaning ring and a stirring structure. The telescopic end of the electric push rod is fixedly connected with the top of the lifting ring. According to the hydrogen storage tank, the cooling assembly and the stirring structure are arranged in a matched mode, when cooling water cools the hydrogen storage tank, the electric push rod is used for driving the lifting ring to reciprocate up and down outside the hydrogen storage tank, the lifting ring can drive the stirring structure to reciprocate up and down, and fan blades can rotate in cooling liquid; and cooling liquid is stirred, so that the temperature of the cooling liquid in the storage tank is kept consistent, heat dissipation of hydrogen in the hydrogen storage tank is facilitated, and the heat dissipation effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid hydrogen storage equipment technical field, especially in solid hydrogen storage device. BACKGROUND

[0002] Solid hydrogen storage refers to the hydrogen storage in solid materials by the physical adsorption and chemical adsorption of materials on hydrogen, in the hydrogen absorption process, alloy hydrogen storage material absorbs hydrogen to generate metal hydride under certain temperature and hydrogen pressure by exothermic reaction, in the hydrogen release process, metal hydride releases absorbed hydrogen by endothermic reaction under heating.

[0003] The patent with the patent name of "a solid hydrogen storage device (the patent application number is 202420512970.9)" discloses a solid hydrogen storage device, and relates to the hydrogen storage field, the device comprises a hydrogen storage main body, an end cover assembly, a hydrogen interface and a cooling liquid interface; the end cover assembly comprises an upper end cover and a lower end cover, the upper end cover and the lower end cover are installed at the two ends of the hydrogen storage main body respectively; a plurality of arc-shaped ribs are arranged in the hydrogen storage main body, one end of the arc-shaped ribs is connected with the upper end cover, and a notch is formed in the arc-shaped ribs; the inner side of the arc-shaped ribs forms a hydrogen storage cabin; the outer side of the arc-shaped ribs and the inner wall of the hydrogen storage main body form a hollow cabin; the hydrogen interface and the cooling liquid interface are installed on the end cover assembly, the hydrogen interface is communicated with the hydrogen storage cabin, and the cooling liquid interface is communicated with the hollow cabin. It has the advantages of high heat exchange efficiency, good temperature uniformity, can promote the rapid storage or output of hydrogen, high integration, light weight and the like.

[0004] In the use process of the above case, the cooling liquid in the hollow cabin is injected into the hollow cabin through the cooling liquid interface to cool the hydrogen storage cabin, however, the temperature of the cooling liquid close to the outside of the hydrogen storage cabin is higher than that of the cooling liquid far away from the hydrogen storage cabin, so that the temperature of the cooling liquid in the hollow cabin is not uniform, thereby reducing the cooling effect of the hydrogen in the hydrogen storage cabin, which brings inconvenience to the use of the device. Therefore, it is necessary to provide a solid hydrogen storage device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a solid hydrogen storage device to solve the problem that the temperature of the cooling liquid close to the outside of the hydrogen storage cabin is higher than that of the cooling liquid far away from the hydrogen storage cabin, so that the temperature of the cooling liquid in the hollow cabin is not uniform, thereby reducing the cooling effect of the hydrogen in the hydrogen storage cabin, which brings inconvenience to the use of the device.

[0006] To achieve the above object, the utility model provides the following technical scheme: a solid hydrogen storage device, comprising a storage tank, the inside of the storage tank is fixedly connected with a hydrogen storage tank, the outside of the hydrogen storage tank is provided with a cooling assembly,

[0007] The cooling assembly comprises an electric push rod, a lifting ring, a connecting block, a cleaning ring and a stirring structure, the telescopic end of the electric push rod is fixedly connected with the top of the lifting ring, the top of the lifting ring is fixedly connected with the bottom of the connecting block, one end of the connecting block is fixedly connected with the outside of the cleaning ring, and the top of the cleaning ring is provided with the stirring structure.

[0008] Preferably, the inside of the cleaning ring is in contact with the outside of the hydrogen storage tank.

[0009] Preferably, the stirring structure comprises a connecting shaft, a connecting sleeve and a fan blade, the bottom end of the connecting shaft is fixedly connected with the top of the lifting ring, the outside of the top end of the connecting shaft is rotationally connected with the inside of the connecting sleeve, and the outside of the connecting sleeve is fixedly connected with the outside of the fan blade.

[0010] Preferably, the number of the stirring structures is multiple groups, and the multiple groups of the stirring structures are arrayed on the outside of the hydrogen storage tank.

[0011] Preferably, the top of the storage tank is clamped with a sealing cover, one side of the top of the sealing cover is fixedly connected with a first cooling liquid connecting pipe, and the other side of the top of the sealing cover is fixedly connected with a second cooling liquid connecting pipe.

[0012] The outside of the electric push rod is fixedly connected with the inside of the sealing cover, and the first cooling liquid connecting pipe and the second cooling liquid connecting pipe both extend to the inside of the storage tank.

[0013] Preferably, the top of the hydrogen storage tank is fixedly connected with a hydrogen gas connecting pipe, and the outside of the hydrogen gas connecting pipe is slidably connected with the inside of the sealing cover.

[0014] The technical effects and advantages of the present application are as follows:

[0015] 1. By setting the cooling assembly and the stirring structure, when the cooling liquid cools the hydrogen storage tank, the electric push rod drives the lifting ring to move up and down on the outside of the hydrogen storage tank, the lifting ring drives the stirring structure to move up and down, and the fan blade rotates in the cooling liquid, thereby stirring the cooling liquid, keeping the temperature of the cooling liquid in the storage tank consistent, avoiding local overheating or overcooling of the cooling liquid, thereby facilitating heat dissipation of the hydrogen in the hydrogen storage tank, and improving the heat dissipation effect of the device.

[0016] 2. When the electric push rod drives the lifting ring to move up and down reciprocally outside the hydrogen storage tank, the lifting ring will drive the cleaning ring to move up and down reciprocally through the connecting block. Since the inner side of the cleaning ring is in contact with the outside of the hydrogen storage tank, the cleaning ring will clean the vapor film that may form on the outside of the hydrogen storage tank due to high temperature, so as to avoid the vapor film reducing the heat transfer efficiency of the hydrogen storage tank, thereby further improving the heat dissipation effect of the hydrogen storage tank. At the same time, the cleaning ring can also remove impurities adhering to the coolant on the outside of the hydrogen storage tank, improving the protection of the hydrogen storage tank. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the solid hydrogen storage device of this utility model.

[0018] Figure 2 This is a top view of the storage tank in this utility model.

[0019] Figure 3 This is a schematic diagram of the hydrogen storage tank in this utility model.

[0020] Figure 4 This is a schematic diagram of the cooling component in this utility model.

[0021] In the diagram: 1. Storage tank; 2. Hydrogen storage tank; 3. Hydrogen connection pipe; 4. Sealing cap; 5. Electric push rod; 6. Lifting ring; 7. Connecting block; 8. Cleaning ring; 9. Stirring structure; 901. Connecting shaft; 902. Connecting sleeve; 903. Fan blade; 10. First coolant connection pipe; 11. Second coolant connection pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not 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 effort are within the protection scope of the present utility model.

[0023] This utility model provides, for example Figures 1-4The device comprises a storage tank 1, a hydrogen storage tank 2 fixedly connected inside the storage tank 1, and a cooling assembly arranged outside the hydrogen storage tank 2. The cooling assembly comprises an electric push rod 5, a lifting ring 6, a connecting block 7, a cleaning ring 8, and a stirring structure 9. The telescopic end of the electric push rod 5 is fixedly connected with the top of the lifting ring 6, the top of the lifting ring 6 is fixedly connected with the bottom of the connecting block 7, one end of the connecting block 7 is fixedly connected with the outside of the cleaning ring 8, the top of the cleaning ring 8 is provided with the stirring structure 9, and the inside of the cleaning ring 8 is in contact with the outside of the hydrogen storage tank 2. When the electric push rod 5 is turned on, the electric push rod 5 drives the lifting ring 6 to move up and down reciprocatingly outside the hydrogen storage tank 2. Since the inside of the cleaning ring 8 is in contact with the outside of the hydrogen storage tank 2, the cleaning ring 8 can clean the vapor film that may be formed outside the hydrogen storage tank 2 due to high temperature, so as to avoid that the vapor film reduces the heat transfer efficiency of the hydrogen storage tank 2, thereby further improving the heat dissipation effect of the hydrogen storage tank 2. Meanwhile, the cleaning ring 8 can also remove impurities adhered to the cooling liquid outside the hydrogen storage tank 2, thereby improving the protection of the hydrogen storage tank 2.

[0024] In addition, the stirring structure 9 comprises a connecting shaft 901, a connecting sleeve 902, and a fan blade 903. The bottom end of the connecting shaft 901 is fixedly connected with the top of the lifting ring 6, the top end of the connecting shaft 901 is rotatably connected with the inside of the connecting sleeve 902, and the outside of the connecting sleeve 902 is fixedly connected with the outside of the fan blade 903. The number of the stirring structure 9 is multiple groups, and the multiple groups of the stirring structure 9 are arrayed outside the hydrogen storage tank 2. The electric push rod 5 drives the lifting ring 6 to move up and down reciprocatingly outside the hydrogen storage tank 2, the lifting ring 6 drives the stirring structure 9 to move up and down reciprocatingly, and the fan blade 903 rotates in the cooling liquid, thereby stirring the cooling liquid, so that the temperature of the cooling liquid inside the storage tank 1 is kept consistent, avoiding that the cooling liquid is locally overheated or supercooled, thereby facilitating heat dissipation of the hydrogen in the hydrogen storage tank 2, and improving the heat dissipation effect of the device.

[0025] Finally, a sealing cover 4 is clamped on the top of the storage tank 1. A first cooling liquid connecting pipe 10 is fixedly connected with one side of the top of the sealing cover 4, and a second cooling liquid connecting pipe 11 is fixedly connected with the other side of the top of the sealing cover 4. The outside of the electric push rod 5 is fixedly connected with the inside of the sealing cover 4. The first cooling liquid connecting pipe 10 and the second cooling liquid connecting pipe 11 both extend to the inside of the storage tank 1. A hydrogen connecting pipe 3 is fixedly connected with the top of the hydrogen storage tank 2, and the outside of the hydrogen connecting pipe 3 is slidably connected with the inside of the sealing cover 4. The first cooling liquid connecting pipe 10 can be used to add cooling liquid into the inside of the storage tank 1, and the second cooling liquid connecting pipe 11 can be used to extract the overheated cooling liquid inside the storage tank 1, thereby forming a cooling cycle, and facilitating heat dissipation of the hydrogen storage tank 2.

[0026] Working principle: when the first cooling liquid connecting pipe 10 to the inside of the storage tank 1 to add cooling liquid to the hydrogen storage tank 2 cooling, can open the electric push rod 5, electric push rod 5 will drive the lifting ring 6 in the outside of the hydrogen storage tank 2 up and down reciprocating movement, because the inner side of the cleaning ring 8 and the outside of the hydrogen storage tank 2 contact, cleaning ring 8 will clean the hydrogen storage tank 2 outside due to high temperature may form the steam film cleaning, avoid steam film will reduce the heat transfer efficiency of hydrogen storage tank 2, thereby further improve the heat dissipation effect of the hydrogen storage tank 2, at the same time, cleaning ring 8 can also remove the impurities adhered in the cooling liquid of the hydrogen storage tank 2 outside, improve the protection of the hydrogen storage tank 2, at the same time, the lifting ring 6 will drive the stirring structure 9 up and down reciprocating movement, fan blade 903 will rotate in the cooling liquid, thereby stirring the cooling liquid, so that the temperature of the cooling liquid in the storage tank 1 inside is consistent, avoid cooling liquid appears local overheating or overcooling condition, thereby facilitating the heat dissipation of hydrogen in the hydrogen storage tank 2, improve the heat dissipation effect of the device.

Claims

1. A solid state hydrogen storage device comprising a storage tank (1), characterised in that: The inside of the storage tank (1) is fixedly connected with a hydrogen storage tank (2); The outside of the hydrogen storage tank (2) is provided with a cooling assembly; The cooling assembly comprises an electric push rod (5), a lifting ring (6), a connecting block (7), a cleaning ring (8) and a stirring structure (9); The telescopic end of the electric push rod (5) is fixedly connected with the top of the lifting ring (6), the top of the lifting ring (6) is fixedly connected with the bottom of the connecting block (7), one end of the connecting block (7) is fixedly connected with the outside of the cleaning ring (8), and the top of the cleaning ring (8) is provided with the stirring structure (9).

2. The solid state hydrogen storage device of claim 1, wherein: The inside of the cleaning ring (8) is in contact with the outside of the hydrogen storage tank (2).

3. The solid state hydrogen storage device of claim 1, wherein: The stirring structure (9) comprises a connecting shaft (901), a connecting sleeve (902) and a fan blade (903), the bottom end of the connecting shaft (901) is fixedly connected with the top of the lifting ring (6), the outside of the top end of the connecting shaft (901) is rotatably connected with the inside of the connecting sleeve (902), and the outside of the connecting sleeve (902) is fixedly connected with the outside of the fan blade (903).

4. The solid state hydrogen storage device of claim 1, wherein: The number of the stirring structure (9) is multiple groups, and multiple groups of the stirring structure (9) are arrayed on the outside of the hydrogen storage tank (2).

5. The solid state hydrogen storage device of claim 1, wherein: The top of the storage tank (1) is clamped with a sealing cover (4), one side of the top of the sealing cover (4) is fixedly connected with a first cooling liquid connecting pipe (10), and the other side of the top of the sealing cover (4) is fixedly connected with a second cooling liquid connecting pipe (11); The outside of the electric push rod (5) is fixedly connected with the inside of the sealing cover (4), and the first cooling liquid connecting pipe (10) and the second cooling liquid connecting pipe (11) both extend to the inside of the storage tank (1).

6. The solid state hydrogen storage device of claim 5, wherein: The top of the hydrogen storage tank (2) is fixedly connected with a hydrogen gas connecting pipe (3), and the outside of the hydrogen gas connecting pipe (3) is slidably connected with the inside of the sealing cover (4).

Images