Hydrogen absorption and desorption circulating device for solid hydrogen storage material

Abstract

The utility model discloses a solid hydrogen storage material hydrogen absorption and desorption circulating device in the technical field of solid hydrogen storage materials, which comprises a water tank, a heat exchanger is mounted on the inner side of the water tank, one side of the heat exchanger is connected with a first water pipe, one end of the first water pipe is connected with a refrigerator, and the bottom of the refrigerator is connected with a second water pipe. The top of the water tank is provided with three sets of circulating parts which are evenly arranged, the heat exchanger cools and refrigerates water to the refrigerator through the first water pipe, then the water flows to the heat exchanger through the second water pipe, the water in the water tank flows through the circulating parts, and the circulating parts can enable hydrogen absorption and desorption to conduct circulating operation. The problems that when existing equipment carries out circulating hydrogen absorption and desorption on hydrogen energy, the cooling speed is low, the temperature cannot be conveniently and rapidly reduced, the heat insulation and heat preservation effect of the existing equipment is poor, and the efficiency and practicability of hydrogen absorption and desorption circulating operation of the equipment are affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of solid hydrogen storage materials, in particular to a hydrogen absorption and desorption cycle device for solid hydrogen storage materials. Background Technique

[0002] Hydrogen storage technologies can be divided into three types according to the physical state of hydrogen: gaseous hydrogen storage, liquid hydrogen storage, and solid hydrogen storage. Hydrogen storage materials are materials that can reversibly absorb and release hydrogen. Solid hydrogen storage is a hydrogen storage method that uses hydrogen elements to react with carrier materials to form chemical bonds and fix hydrogen molecules in solid compounds. The hydrogenated hydrogen storage material can store hydrogen in a solid state, fundamentally solving safety problems such as high-pressure hydrogen leakage and hydrogen embrittlement of hydrogen storage containers, ensuring the safety of hydrogen storage and transportation. Generally, solid hydrogen storage materials are divided into physical adsorption hydrogen storage materials and chemical adsorption hydrogen storage materials. Compared with gaseous and liquid hydrogen storage, solid hydrogen storage technology has the advantages of high volumetric hydrogen storage density, high safety, and convenient maintenance. In practical applications, in addition to the basic hydrogen absorption and desorption performance, the cyclic durability performance of hydrogen storage materials is also an extremely important factor for considering the service life of hydrogen storage devices / materials. The existing equipment has poor cooling and heat insulation effects during the hydrogen absorption and desorption cycle operation of hydrogen energy, resulting in waste of hydrogen energy.

[0003] When the existing equipment performs cyclic hydrogen absorption and desorption of hydrogen energy, the cooling rate is relatively low, and it is not possible to conveniently cool the temperature quickly. Moreover, the existing equipment has poor heat insulation effect, affecting the efficiency and practicability of the equipment for cyclic operation of hydrogen absorption and desorption. Therefore, the technical personnel in this field have provided a hydrogen absorption and desorption cycle device for solid hydrogen storage materials to solve the problems raised in the above background technique. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a hydrogen absorption and desorption cycle device for solid hydrogen storage materials to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A hydrogen absorption and desorption cycle device for solid hydrogen storage materials, including a water tank, a heat exchanger is installed inside the water tank, one side of the heat exchanger is connected to a first water pipe, one end of the first water pipe is connected to a refrigerator, and the bottom of the refrigerator is connected to a second water pipe;

[0006] Three groups of circulating components are evenly arranged on the top of the water tank. One side inside the circulating component is installed with a heat insulation component, and the other side inside the circulating component is installed with a cooling component. The first water pipe and the second water pipe connect the heat exchanger and the refrigerator.

[0007] Preferably, the circulating member includes a diversion cavity formed inside the circulating member. One side of the diversion cavity is provided with a heat insulation cavity, and the other side of the diversion cavity is provided with a cooling cavity. A gas guide pipe is installed at the top of the diversion cavity. The tops of the three gas guide pipes are connected to a first connecting pipe. The other side of the circulating member is connected to a diversion pipe. The tops of the three diversion pipes are connected to a second connecting pipe. One side of the second connecting pipe is connected to a water pump, and the other side of the water pump is connected to a water supply pipe. The diversion pipe passes through the cooling cavity and is communicated with the diversion cavity. The bottom of the diversion cavity is communicated with the top of the water tank, and the water supply pipe is communicated with the water tank.

[0008] Preferably, the cooling assembly includes a plurality of liquid cooling pipes uniformly arranged inside the cooling cavity. The plurality of liquid cooling pipes are communicated with each other. Two groups of air guide holes are uniformly arranged on the other side of the cooling cavity. An exhaust fan is installed between the two groups of air guide holes on the other side of the cooling cavity. The liquid cooling pipe is spiral.

[0009] Preferably, the heat insulation assembly includes a heat insulation frame installed inside the heat insulation cavity. The other side of the heat insulation frame is installed with a heating grid plate. Heat insulation plates are installed inside the heat insulation frame, and heat insulation materials are filled inside the heat insulation frame.

[0010] Preferably, a plurality of heat insulation strips are uniformly arranged on both sides of the heat insulation plate inside the heat insulation frame. The cross section of the heat insulation strip is arc-shaped.

[0011] Preferably, a plurality of diversion plates are uniformly arranged inside the diversion cavity. The diversion plates are inclined.

[0012] Preferably, a plurality of heating grooves are uniformly arranged on the other side of the heating grid plate. The cross section of the heating groove is arc-shaped.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, by setting a heat exchanger, a refrigerator and a circulating member, the heat exchanger heats the water in the water tank. The heat exchanger sends the water to the refrigerator through a first water pipe for cooling, and then flows to the heat exchanger through a second water pipe. The water in the water tank flows through the circulating member. The circulating member can make the hydrogen absorption and release perform cyclic operations, improving the efficiency and practicability of the equipment for cyclic operations of hydrogen absorption and release.

[0015] 2. In the utility model, by arranging a cooling chamber, an air guide pipe, a flow guide pipe and a water pump, the flow guide chamber can be filled with solid hydrogen storage materials, hot water in the water tank flows upward through the circulation member, and then the hot water contacts and reacts with the solid hydrogen storage material, and then hydrogen is discharged and enters through the air guide pipe and the first connecting pipe, and the liquid flows through the flow guide pipe and the second connecting pipe at the top of the flow guide chamber, and the water pump can drive the water flow to flow through the second connecting pipe, and then the water pump discharges the water through the water supply pipe into the water tank for recycling, thereby improving the efficiency of the equipment in the hydrogen absorption and desorption cycle operation.

[0016] 3. In the utility model, by arranging a liquid cooling pipe, an air guide hole and an exhaust fan, the outside air enters the cooling chamber through the air guide hole, the liquid cooling pipe can absorb the heat in the guide chamber, and the exhaust fan can drive the air in the cooling chamber to flow, thereby increasing the rate of rapid cooling of the temperature in the guide chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 It is a left-side sectional stereoscopic diagram of the circulation part, the flow guide cavity, the heat insulation cavity, the cooling cavity and the air guide hole in the overall structure of the utility model.

[0021] In the figure: 1. water tank; 2. heat exchanger; 3. first water pipe; 4. refrigerator; 5. second water pipe; 6. circulation part; 7. flow guide chamber; 8. insulation chamber; 9. cooling chamber; 10. air guide pipe; 11. first connecting pipe; 12. flow guide pipe; 13. second connecting pipe; 14. water pump; 15. water supply pipe; 16. liquid cooling pipe; 17. air guide hole; 18. exhaust fan; 19. insulation frame; 20. heating mesh; 21. insulation board; 22. insulation strip; 23. flow guide plate; 24. heating tank. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4, in the embodiment of the present utility model, a solid hydrogen storage material hydrogen absorption and desorption circulation device includes a water tank 1, a heat exchanger 2 is installed inside the water tank 1, a first water pipe 3 is connected to one side of the heat exchanger 2, one end of the first water pipe 3 is connected to a refrigerator 4, the bottom of the refrigerator 4 is connected to a second water pipe 5, and three groups of circulation components 6 arranged evenly are installed on the top of the water tank 1. An insulation component is installed on one side inside the circulation component 6, and a cooling component is installed on the other side inside the circulation component 6. The first water pipe 3 and the second water pipe 5 connect the heat exchanger 2 and the refrigerator 4.

[0024] During use, the heat exchanger 2 heats the water in the water tank 1. The heat exchanger 2 cools the water by sending it to the refrigerator 4 through the first water pipe 3, and then the water flows back to the heat exchanger 2 through the second water pipe 5. The water in the water tank 1 flows through the circulation component 6. The circulation component 6 can make the hydrogen absorption and desorption perform cyclic operations, improving the efficiency and practicality of the equipment for cyclic hydrogen absorption and desorption operations.

[0025] In one embodiment, specifically, the circulation component 6 includes a diversion cavity 7 opened inside the circulation component 6. An insulation cavity 8 is opened on one side of the diversion cavity 7, and a cooling cavity 9 is opened on the other side of the diversion cavity 7. A gas guide pipe 10 is installed at the top of the diversion cavity 7. The tops of the three gas guide pipes 10 are connected to a first connection pipe 11. A diversion pipe 12 is connected to the other side of the circulation component 6. The tops of the three diversion pipes 12 are connected to a second connection pipe 13. A water pump 14 is connected to one side of the second connection pipe 13. The other side of the water pump 14 is connected to a water supply pipe 15. The diversion pipe 12 passes through the cooling cavity 9 and is connected to the diversion cavity 7. The bottom of the diversion cavity 7 is connected to the top of the water tank 1. The water supply pipe 15 is connected to the water tank 1.

[0026] Among them, the solid hydrogen storage material can be filled in the diversion cavity 7. The hot water in the water tank 1 flows upward through the circulation component 6, and then the hot water reacts with the solid hydrogen storage material. Then, hydrogen is exported and imported through the gas guide pipe 10 and the first connection pipe 11. The liquid flows through the diversion pipe 12 at the top of the diversion cavity 7 and the second connection pipe 13. The water pump 14 can drive the water flow through the second connection pipe 13, and then the water pump 14 discharges the water flow into the water tank 1 through the water supply pipe 15 for cyclic use, improving the efficiency of the equipment for cyclic hydrogen absorption and desorption operations.

[0027] Furthermore, the cooling component includes a plurality of liquid cooling pipes 16 arranged evenly and installed inside the cooling cavity 9. The plurality of liquid cooling pipes 16 are connected. Two groups of air guide holes 17 arranged evenly are opened on the other side of the cooling cavity 9. An exhaust fan 18 is installed on the other side of the cooling cavity 9 and between the two groups of air guide holes 17. The liquid cooling pipes 16 are spiral.

[0028] In one embodiment, specifically, outside air enters the cooling chamber 9 through the air guide holes 17. The liquid cooling pipe 16 can absorb the heat in the diversion chamber 7, and the exhaust fan 18 can drive the air in the cooling chamber 9 to flow, thereby increasing the rate of rapid cooling of the temperature in the diversion chamber 7.

[0029] Among them, the heat insulation component includes a heat insulation frame 19 installed on the inner side of the heat insulation chamber 8. The other side of the heat insulation frame 19 is installed on the heating grid plate 20. The inner side of the heat insulation frame 19 is provided with a heat insulation plate 21. A plurality of heat insulation strips 22 arranged evenly are installed on both sides of the heat insulation plate 21 inside the heat insulation frame 19. A plurality of heating grooves 24 arranged evenly are formed on the other side of the heating grid plate 20. The cross section of the heating groove 24 is arc-shaped, and the cross section of the heat insulation strip 22 is arc-shaped. The inside of the heat insulation frame 19 is filled with heat insulation material. The heat insulation frame 19 in the heat insulation chamber 8 can insulate and keep warm the circulating part 6. The heat insulation material in the heat insulation frame 19 can increase the heat insulation effect of the heat insulation frame 19. The plurality of heating grooves 24 on one side of the heating grid plate 20 can increase the area of heat dissipation. The plurality of heat insulation strips 22 on both sides of the heat insulation plate 21 can increase the contact area between the heat insulation material and the heat insulation frame 19. The heating grid plate 20 can heat the material in the diversion chamber 7, thereby accelerating the efficiency of hydrogen production or hydrogen storage of the material.

[0030] Furthermore, a plurality of flow guide plates 23 arranged evenly are installed on the inner side of the diversion chamber 7. The flow guide plates 23 are inclined. The plurality of flow guide plates 23 in the diversion chamber 7 can guide the gas and liquid, extend the flow path of the gas or liquid, and enable the gas or liquid to fully contact the material.

[0031] The working principle of the present utility model:

[0032] First, the heat exchanger 2 heats the water in the water tank 1. The heat exchanger 2 sends the water to the refrigerator 4 through the first water pipe 3 for cooling, and then flows back to the heat exchanger 2 through the second water pipe 5. The water in the water tank 1 flows through the circulating part 6. At the same time, the diversion chamber 7 is filled with solid hydrogen storage material. The hot water in the water tank 1 flows upward through the circulating part 6. At this time, the plurality of flow guide plates 23 in the diversion chamber 7 guide the gas and liquid. At this time, outside air enters the cooling chamber 9 through the air guide holes 17. The liquid cooling pipe 16 can absorb the heat in the diversion chamber 7, and the exhaust fan 18 can drive the air in the cooling chamber 9 to flow. Then the hot water reacts with the solid hydrogen storage material. When heating is required, the heating grid plate 20 is used to heat the material in the diversion chamber 7. At the same time, the heat insulation frame 19 in the heat insulation chamber 8 insulates and keeps warm the circulating part 6. Then hydrogen is led out and enters through the gas guide pipe 10 and the first connecting pipe 11. The liquid flows through the flow guide pipe 12 at the top of the diversion chamber 7 and the second connecting pipe 13. Then the water pump 14 is started to drive the water flow through the second connecting pipe 13. Then the water pump 14 discharges the water flow into the water tank 1 through the water supply pipe 15 for cyclic use.

[0033] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A solid hydrogen storage material hydrogen absorption and desorption cycle device, comprising a water tank (1), characterized in that: A heat exchanger (2) is installed inside the water tank (1); one side of the heat exchanger (2) is connected to a first water pipe (3); one end of the first water pipe (3) is connected to a refrigerator (4); and the bottom of the refrigerator (4) is connected to a second water pipe (5); The top of the water tank (1) is provided with three groups of circulation components (6) arranged evenly, a heat insulation component is provided on one side of the circulation component (6), and a cooling component is provided on the other side of the circulation component (6), and the first water pipe (3) and the second water pipe (5) connect the heat exchanger (2) and the refrigerator (4).

2. A solid hydrogen storage material hydrogen absorption and desorption cycle device according to claim 1, characterized in that: The circulation member (6) comprises a flow guide cavity (7) opened inside the circulation member (6); a heat insulation cavity (8) is opened on one side of the flow guide cavity (7); a cooling cavity (9) is opened on the other side of the flow guide cavity (7); an air guide pipe (10) is installed on the top of the flow guide cavity (7); the tops of three of the air guide pipes (10) are connected to a first connecting pipe (11); the other side of the circulation member (6) is connected to a flow guide pipe (12); the tops of three of the flow guide pipes (12) are connected to a second connecting pipe (13); one side of the second connecting pipe (13) is connected to a water pump (14); the other side of the water pump (14) is connected to a water supply pipe (15); the flow guide pipe (12) passes through the cooling cavity (9) and is connected to the flow guide cavity (7); the bottom of the flow guide cavity (7) is connected to the top of a water tank (1); and the water supply pipe (15) is connected to the water tank (1).

3. A solid hydrogen storage material hydrogen absorption and desorption cycle device according to claim 2, characterized in that: The cooling component comprises a plurality of liquid cooling pipes (16) evenly arranged and installed inside a cooling cavity (9); the plurality of liquid cooling pipes (16) are connected; two groups of evenly arranged air guide holes (17) are provided on the other side of the cooling cavity (9); an exhaust fan (18) is installed on the other side of the cooling cavity (9) and between the two groups of air guide holes (17); and the liquid cooling pipe (16) is spiral-shaped.

4. A solid hydrogen storage material hydrogen absorption and desorption cycle device according to claim 3, characterized in that: The heat insulation component comprises a heat insulation frame (19) installed on the inner side of the heat insulation cavity (8), the other side of the heat insulation frame (19) is installed on the heating mesh plate (20), a heat insulation board (21) is installed on the inner side of the heat insulation frame (19), and the inner side of the heat insulation frame (19) is filled with heat insulation material.

5. A solid hydrogen storage material hydrogen absorption and desorption cycle device according to claim 4, characterized in that: A plurality of evenly arranged heat insulation strips (22) are installed inside the heat insulation frame (19) and on both sides of the heat insulation board (21); the cross section of the heat insulation strips (22) is arc-shaped.

6. A solid hydrogen storage material hydrogen absorption and desorption cycle device according to claim 2, characterized in that: A plurality of evenly arranged guide plates (23) are installed inside the guide cavity (7), and the guide plates (23) are arranged at an angle.

7. A solid hydrogen storage material hydrogen absorption and desorption cycle device according to claim 4, characterized in that: A plurality of evenly arranged heating grooves (24) are provided on the other side of the heating mesh plate (20), and the cross section of the heating grooves (24) is arc-shaped.

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