Hydrogen storage alloy pressure vessel device

Abstract

The invention relates to the technical field of hydrogen storage containers, and discloses a hydrogen storage alloy pressure container device which solves the problem that an existing hydrogen storage container is poor in use effect, the hydrogen storage alloy pressure container device comprises a supporting base, a pressure hydrogen storage tank is fixedly arranged at one end of the top of the supporting base, and a hydrogen charging and discharging auxiliary mechanism is arranged at the other end of the top of the supporting base; the pressure hydrogen storage tank is composed of a tank body, a plurality of heating and heat dissipation integrated pipes, a plurality of separation assemblies and a plurality of expansion buffer assemblies, the heating and heat dissipation integrated pipes are inserted into the tank body in a penetrating mode and connected with the hydrogen charging and discharging auxiliary mechanism, and the separation assemblies are connected into the tank body in a welded mode; the expansion buffer assemblies are connected between the partition assemblies in a welded mode and fixedly connected with the inner side wall of the tank body, a plurality of inner cavities are formed between the partition assemblies and the tank body, and the inner cavities are filled with hydrogen storage alloy particles; by means of the hydrogen storage alloy pressure vessel device, the filling stability of the hydrogen storage alloy particles can be improved, and adverse effects caused by expansion of the hydrogen storage alloy particles can be overcome.

Description

Technical Field

[0001] The invention belongs to the technical field of hydrogen storage containers, and in particular relates to a hydrogen storage alloy pressure container device. Background Art

[0002] Solid-state hydrogen storage, which utilizes the reaction of hydrogen absorbing materials with hydrogen to generate solid solutions and hydrides, is currently a more popular method of hydrogen storage. It has the advantages of high hydrogen storage volume density, high safety, and convenient use and transportation.

[0003] Problems such as lattice expansion and alloy pulverization of metal hydrogen storage alloy materials during the process of hydrogen absorption and desorption have an adverse effect on the heat transfer, mass transfer and expansion of the tank of the metal solid-state hydrogen storage device. Therefore, the development of high-energy, high-efficiency and high-reliability metal hydrogen storage devices can not only enrich the basic research on hydrogen storage alloys, but also further accumulate the theory, design and use experience of hydrogen storage alloys and high-energy hydrogen storage, hydrogen transmission and hydrogen use equipment. Based on the above reasons, this application proposes a hydrogen storage alloy pressure vessel device. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a hydrogen storage alloy pressure vessel device, which effectively solves the problem that the existing hydrogen storage containers have poor use effects.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hydrogen storage alloy pressure vessel device, comprising a support base, a pressure hydrogen storage tank is fixedly arranged at one end of the top of the support base, a hydrogen charging and discharging auxiliary mechanism is fixedly arranged at the other end of the top of the support base, the pressure hydrogen storage tank and the hydrogen charging and discharging auxiliary mechanism are both fixedly connected to the support base through a plurality of supports, the pressure hydrogen storage tank is composed of a tank body, a plurality of integrated heating and heat dissipation pipes, a plurality of partition assemblies and a plurality of expansion buffer assemblies, the integrated heating and heat dissipation pipes are inserted into the interior of the tank body and connected to the hydrogen charging and discharging auxiliary mechanism, the partition assemblies are welded to the interior of the tank body, the expansion buffer assemblies are welded between the partition assemblies and fixedly connected to the inner side wall of the tank body, a plurality of inner chambers are formed between the partition assemblies and the tank body, and the interior of the inner chambers is filled with hydrogen storage alloy particles.

[0006] Preferably, a hydrogen charging and discharging pipe is fixedly provided at one end of the tank body, a hydrogen charging and discharging valve is provided on the hydrogen charging and discharging pipe, and a pressure gauge is provided at the top of the hydrogen charging and discharging pipe.

[0007] Preferably, the partition assembly is composed of a metal outer ring body, a metal inner ring body, a central partition plate and a plurality of heat-conducting sleeves; the metal outer ring body is welded and connected to the inner surface of the tank body, the metal inner ring body is welded and connected to the inner surface of the metal outer ring body, the central partition plate is welded and connected to the inner surface of the metal inner ring body, and the heat-conducting sleeve is inserted and connected to the central partition plate and is sleeved on the outer surface of the heating and heat dissipation integrated tube.

[0008] Preferably, a plurality of through holes are provided on the central partition, the inner diameter of the through holes is larger than the maximum particle diameter of the hydrogen storage alloy particles, and a plurality of heat-conducting columns are welded on both sides of the central partition.

[0009] Preferably, a plurality of convex plates are fixedly provided on the arc-shaped outer surface of the heat-conducting column, and a plurality of grooves are formed between the convex plates and the heat-conducting column.

[0010] Preferably, the expansion buffer assembly is composed of a deformable annular metal ring and a plurality of deformable annular support bodies, the deformable annular metal ring is welded and connected between two adjacent metal inner ring bodies, and the deformable annular support body is welded and connected between the deformable annular metal ring and the tank body.

[0011] Preferably, the cross-section of the deformable annular metal ring is an arc-shaped structure, the deformable annular support body is an elliptical structure, and a limited support column is welded on one side of the deformable annular support body away from the deformable annular metal ring.

[0012] Preferably, the hydrogen charging and discharging auxiliary mechanism is composed of a shell, a positioning connecting plate, a circulating water refrigerator, a circulating water heater and a combined pipeline. The shell is fixedly connected to one end of the top of the support base, the positioning connecting plate is fixedly connected between the shell and the tank body, the circulating water refrigerator and the circulating water heater are both fixedly connected to the inside of the shell, and the combined pipeline is connected between the heating and heat dissipation integrated pipe and the circulating water refrigerator and the circulating water heater.

[0013] Preferably, the integrated heating and heat dissipation tube is composed of an outer tube body, an inner tube body and a plurality of connecting columns. The inner tube body is located at the center of the outer tube body. The connecting columns are fixedly connected between the outer tube body and the inner tube body. A water inlet channel is formed inside the inner tube body, and a water return channel is formed between the outer tube body and the inner tube body. The water inlet channel and the water return channel are connected at one end away from the hydrogen charging and discharging auxiliary mechanism.

[0014] Preferably, the combined pipeline consists of an L-shaped reflux water storage tank, a circulation pump, a water suction pipe, a return water pipe, a return water branch pipe 1, a return water branch pipe 2, a water supply pipe, a water supply branch pipe 1 and a water supply branch pipe 2. The L-shaped reflux water storage tank is fixedly connected to the interior of the shell and is connected to the return water channel. The circulation pump is fixedly connected to the top of the L-shaped reflux water storage tank. The water suction pipe is connected between the circulation pump and the L-shaped reflux water storage tank. The return water pipe is fixedly connected to the water outlet of the circulation pump. The return water branch pipe 1 is connected between the return water pipe and the circulating water refrigerator. The return water branch pipe 2 is connected between the return water pipe and the circulating water heater. The water supply pipe is fixedly connected to the inner pipe body. The supply water branch pipe 1 is connected between the supply water pipe and the circulating water refrigerator. The supply water branch pipe 2 is connected between the supply water pipe and the circulating water heater. The return water branch pipe 1 is provided with a valve 1, the return water branch pipe 2 is provided with a valve 2, the supply water branch pipe 1 is provided with a valve 3, and the supply water branch pipe 2 is provided with a valve 4.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) During operation, by providing a pressure hydrogen storage tank composed of a tank body, a plurality of integrated heating and heat dissipation tubes, a plurality of partition components and a plurality of expansion buffer components, the hydrogen storage alloy particles can be stored, the hydrogen storage alloy particles can be separated and limited, and the overall stability can be improved. When the hydrogen storage alloy particles expand during the hydrogen absorption process and the heat generation process, expansion buffering can be achieved to avoid deformation or damage to the tank body;

[0017] (2) By providing a hydrogen charging and degassing auxiliary mechanism consisting of a shell, a positioning connecting plate, a circulating water chiller, a circulating water heater and a combined pipeline, and providing a heating and heat dissipation integrated tube consisting of an outer tube body, an inner tube body and a plurality of connecting columns, auxiliary heat dissipation of the hydrogen storage alloy particles can be achieved during hydrogen charging to avoid excessive temperature affecting the safety of use. At the same time, the hydrogen storage alloy particles can be auxiliary heated during hydrogen degassing to improve the efficiency of hydrogen degassing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] In the attached picture:

[0020] Figure 1 This is one of the structural schematic diagrams of the hydrogen storage alloy pressure vessel device of the present invention;

[0021] Figure 2 This is the second structural schematic diagram of the hydrogen storage alloy pressure vessel device of the present invention;

[0022] Figure 3 This is a schematic diagram of the internal structure of the pressure hydrogen storage tank of the present invention;

[0023] Figure 4 This is a schematic diagram of the connection structure between the partition component and the expansion buffer component of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the expansion buffer assembly of the present invention;

[0025] Figure 6 This is one of the cross-sectional views of the pressure hydrogen storage tank of the present invention;

[0026] Figure 7 This is the second cross-sectional view of the pressure hydrogen storage tank of the present invention;

[0027] Figure 8 It is a cross-sectional view of the heat-conducting column of the present invention;

[0028] Fig. 9 This is a schematic diagram of the structure of the hydrogen charging and discharging auxiliary mechanism of the present invention;

[0029] Fig.10 This is a schematic diagram of the combined pipeline structure of the present invention;

[0030] Fig.11 This is a cross-sectional view of the heating and heat dissipation integrated tube of the present invention;

[0031] In the figure: 1. Support base; 2. Pressure hydrogen storage tank; 3. Hydrogen charging and discharging auxiliary mechanism; 4. Support; 5. Tank body; 6. Heating and heat dissipation integrated pipe; 7. Partition component; 8. Expansion buffer component; 9. Inner chamber; 10. Hydrogen storage alloy particles; 11. Hydrogen charging and discharging pipe; 12. Hydrogen charging and discharging valve; 13. Pressure gauge; 14. Metal outer ring body; 15. Metal inner ring body; 16. Center partition; 17. Heat-conducting sleeve; 18. Through hole; 19. Heat-conducting column; 20. Convex plate; 21. Groove; 22. Deformable annular metal ring; 23. Deformable annular support body; 24. Limit support column; 25. Shell; 26. Positioning connecting plate; 27. Circulating water chiller; 28. Circulating water heater; 29. ​​Combined pipeline; 30. Outer tube body; 31. Inner tube body; 32. Connecting column; 33. Water inlet channel; 34. Return channel; 35. L-shaped reflux water storage tank; 36. Circulating pump; 37. Suction pipe; 38. Return pipe; 39. Return branch pipe 1; 40. Return branch pipe 2; 41. Water supply pipe; 42. Water supply branch pipe 1; 43. Water supply branch pipe 2; 44. Valve 1; 45. Valve 2; 46. Valve 3; 47. Valve 4. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] Embodiment 1, by Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 7The present invention provides a hydrogen storage alloy pressure vessel device, comprising a support base 1, a pressure hydrogen storage tank 2 is fixedly provided at one end of the top of the support base 1, a hydrogen charging and discharging auxiliary mechanism 3 is fixedly provided at the other end of the top of the support base 1, the pressure hydrogen storage tank 2 and the hydrogen charging and discharging auxiliary mechanism 3 are fixedly connected to the support base 1 through a plurality of supports 4, the pressure hydrogen storage tank 2 is composed of a tank body 5, a plurality of heating and heat dissipation integrated pipes 6, a plurality of partition components 7 and a plurality of expansion buffer components 8, the heating and heat dissipation integrated pipes 6 are inserted into the interior of the tank body 5 and connected to the hydrogen charging and discharging auxiliary mechanism 3, the partition component 7 is welded to the interior of the tank body 5, the expansion buffer component 8 is welded between the partition components 7 and fixedly connected to the inner side wall of the tank body 5, a plurality of inner chambers 9 are formed between the partition component 7 and the tank body 5, the interior of the inner chamber 9 is filled with hydrogen storage alloy particles 10, a hydrogen charging and discharging pipe 11 is fixedly provided at one end of the tank body 5, a hydrogen charging and discharging valve 12 is provided on the hydrogen charging and discharging pipe 11, and a pressure gauge 13 is provided at the top of the hydrogen charging and discharging pipe 11;

[0034] When in use, the interior of the tank body 5 is divided into multiple inner chambers 9 by the partition component 7, and the hydrogen storage alloy particles 10 are filled in the inner chambers 9, so as to improve the stability of the hydrogen storage alloy particles 10. The hydrogen storage alloy particles 10 will expand when filled with hydrogen and heated. At this time, deformation buffering is achieved by the expansion buffer component 8 to avoid deformation or damage of the tank body 5 due to expansion, thereby improving the stability and safety of use. Hydrogen filling and degassing can be achieved through the hydrogen filling and degassing tube 11 and the hydrogen filling and degassing valve 12.

[0035] Embodiment 2, based on embodiment 1, Figures 2 to 8 It is given that the partition assembly 7 is composed of a metal outer ring body 14, a metal inner ring body 15, a central partition 16 and a plurality of heat-conducting sleeves 17. The metal outer ring body 14 is welded to the inner surface of the tank body 5, the metal inner ring body 15 is welded to the inner surface of the metal outer ring body 14, the central partition 16 is welded to the inner surface of the metal inner ring body 15, the heat-conducting sleeve 17 is inserted and connected to the central partition 16 and is sleeved on the outer surface of the heating and heat dissipation integrated tube 6, a plurality of through holes 18 are opened on the central partition 16, the inner diameter of the through hole 18 is larger than the maximum particle size of the hydrogen storage alloy particles 10, and a plurality of heat-conducting columns 19 are welded on both sides of the central partition 16, and a plurality of convex plates 20 are fixedly provided on the arc-shaped outer surface of the heat-conducting column 19, and a plurality of grooves 21 are formed between the convex plates 20 and the heat-conducting column 19;

[0036] The metal outer ring body 14 and the metal inner ring body 15 can be connected to the inner surface of the tank body 5 to achieve stable support for the central partition 16. The central partition 16 can achieve isolation and have heat conduction and heat dissipation functions. The heat-conducting sleeve 17 and the heat-conducting column 19 can improve the heating and heat dissipation efficiency. The through hole 18 can facilitate the filling of the hydrogen storage alloy particles 10 and ensure the circulation of hydrogen.

[0037] The expansion buffer assembly 8 is composed of a deformable annular metal ring 22 and a plurality of deformable annular support bodies 23. The deformable annular metal ring 22 is welded and connected between two adjacent metal inner ring bodies 15. The deformable annular support body 23 is welded and connected between the deformable annular metal ring 22 and the tank body 5. The cross section of the deformable annular metal ring 22 is an arc structure, and the deformable annular support body 23 is an elliptical structure. A limited support column 24 is welded and arranged on one side of the deformable annular support body 23 away from the deformable annular metal ring 22.

[0038] When the hydrogen storage alloy particles 10 expand, the deformable annular metal ring 22 is compressed and deformed, and the deformable annular support body 23 can support the deformable annular metal ring 22 and can deform synchronously, thereby achieving a buffering effect. The limiting support column 24 can achieve a limiting effect to prevent the deformable annular metal ring 22 and the deformable annular support body 23 from being excessively deformed and unable to recover.

[0039] Embodiment 3, based on embodiment 1, Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 , Fig. 9 , Fig.10 and Fig.11 It is given that the hydrogen charging and discharging auxiliary mechanism 3 is composed of a shell 25, a positioning connecting plate 26, a circulating water refrigerator 27, a circulating water heater 28 and a combined pipeline 29. The shell 25 is fixedly connected to one end of the top of the support base 1, the positioning connecting plate 26 is fixedly connected between the shell 25 and the tank body 5, the circulating water refrigerator 27 and the circulating water heater 28 are both fixedly connected to the inside of the shell 25, and the combined pipeline 29 is connected between the heating and heat dissipation integrated pipe 6 and the circulating water refrigerator 27 and the circulating water heater 28;

[0040] The circulating water refrigerator 27 and the circulating water heater 28 can realize water circulation cooling and water circulation heating, so as to cooperate with the heating and heat dissipation integrated pipe 6 to realize heat dissipation during hydrogen charging and heating during hydrogen discharge;

[0041] The heating and heat dissipation integrated tube 6 is composed of an outer tube body 30, an inner tube body 31 and a plurality of connecting columns 32. The inner tube body 31 is located at the center of the outer tube body 30. The connecting columns 32 are fixedly connected between the outer tube body 30 and the inner tube body 31. A water inlet channel 33 is formed inside the inner tube body 31. A water return channel 34 is formed between the outer tube body 30 and the inner tube body 31. The water inlet channel 33 and the water return channel 34 are connected at the end away from the hydrogen charging and discharging auxiliary mechanism 3.

[0042] When dissipating heat or heating, water enters the inner tube body 31 through the combined pipeline 29, flows along the water inlet channel 33, and then enters the inner part of the water return channel 34 to realize water circulation, and the inner part of the pressurized hydrogen storage tank 2 is dissipated or heated by cooling or heating the outer tube body 30;

[0043] The combined pipeline 29 is composed of an L-shaped reflux water storage tank 35, a circulation pump 36, a water extraction pipe 37, a water return pipe 38, a water return branch pipe 1 39, a water return branch pipe 2 40, a water supply pipe 41, a water supply branch pipe 1 42 and a water supply branch pipe 2 43. The L-shaped reflux water storage tank 35 is fixedly connected to the interior of the housing 25 and communicates with the water return channel 34. The circulation pump 36 is fixedly connected to the top of the L-shaped reflux water storage tank 35. The water extraction pipe 37 is connected between the circulation pump 36 and the L-shaped reflux water storage tank 35. The water return pipe 38 is fixedly connected to the water outlet of the circulation pump 36. The water return branch pipe 1 39 is connected to the water return channel 34. Connected between the return water pipe 38 and the circulating water chiller 27, the return water branch pipe 2 40 is connected between the return water pipe 38 and the circulating water heater 28, the water supply pipe 41 is fixedly connected to the inner tube body 31, the water supply branch pipe 1 42 is connected between the water supply pipe 41 and the circulating water chiller 27, the water supply branch pipe 2 43 is connected between the water supply pipe 41 and the circulating water heater 28, the return water branch pipe 1 39 is provided with a valve 1 44, the return water branch pipe 2 40 is provided with a valve 2 45, the supply water branch pipe 1 42 is provided with a valve 3 46, and the supply water branch pipe 2 43 is provided with a valve 47;

[0044] When dissipating heat, open valve one 44 and valve three 46, start the circulation pump 36, and draw water from the L-shaped reflux water storage tank 35 through the pumping pipe 37. The water enters the circulating water refrigerator 27, and circulating refrigeration is achieved through the circulating water refrigerator 27. The cooled water enters the water supply branch pipe one 42, and then enters the inner tube body 31 through the water supply pipe 41 to achieve heat dissipation. When heating, open valve two 45 and valve four 47, and heat the water through the circulating water heater 28. The hot water enters the inner tube body 31 through the water supply branch pipe two 43 and the water supply pipe 41 to achieve heating, and then flows back to the L-shaped reflux water storage tank 35 through the return water channel 34 to achieve circulation.

[0045] During operation, by setting up a pressure hydrogen storage tank composed of a tank body, a plurality of integrated heating and heat dissipation pipes, a plurality of partition components and a plurality of expansion buffer components, it is possible to store hydrogen storage alloy particles, separate and limit the hydrogen storage alloy particles, improve the overall stability, and when the hydrogen storage alloy particles expand during the hydrogen absorption process and the heat generation process, expansion buffering can be achieved to avoid deformation or damage to the tank body; by setting up a hydrogen charging and discharging auxiliary mechanism composed of a shell, a positioning connecting plate, a circulating water refrigerator, a circulating water heater and a combined pipeline, and setting up a heating and heat dissipation integrated pipe composed of an outer tube body, an inner tube body and a plurality of connecting columns, it is possible to achieve auxiliary heat dissipation of the hydrogen storage alloy particles during hydrogen charging to avoid excessive temperature affecting the safety of use, and at the same time, the hydrogen storage alloy particles can be auxiliary heated during hydrogen discharge to improve the efficiency of hydrogen discharge.

Claims

1. A hydrogen storage alloy pressure vessel device, comprising a support base (1), characterized in that: A pressure hydrogen storage tank (2) is fixedly arranged at one end of the top of the support base (1), and a hydrogen charging and discharging auxiliary mechanism (3) is fixedly arranged at the other end of the top of the support base (1). The pressure hydrogen storage tank (2) and the hydrogen charging and discharging auxiliary mechanism (3) are both fixedly connected to the support base (1) via a plurality of supports (4). The pressure hydrogen storage tank (2) is composed of a tank body (5), a plurality of integrated heating and heat dissipation pipes (6), a plurality of partition components (7) and a plurality of expansion buffer components (8). The integrated heating and heat dissipation pipes (6) are inserted into the interior of the tank body (5) and connected to the hydrogen charging and discharging auxiliary mechanism (3). The partition components (7) are welded to the interior of the tank body (5). The expansion buffer components (8) are welded between the partition components (7) and fixedly connected to the inner side wall of the tank body (5). A plurality of inner chambers (9) are formed between the partition components (7) and the tank body (5), and the interior of the inner chambers (9) is filled with hydrogen storage alloy particles (10).

2. A hydrogen storage alloy pressure vessel device according to claim 1, characterized in that: A hydrogen charging and discharging pipe (11) is fixedly arranged at one end of the tank body (5), a hydrogen charging and discharging valve (12) is arranged on the hydrogen charging and discharging pipe (11), and a pressure gauge (13) is arranged at the top end of the hydrogen charging and discharging pipe (11).

3. A hydrogen storage alloy pressure vessel device according to claim 1, characterized in that: The partition assembly (7) is composed of a metal outer ring body (14), a metal inner ring body (15), a central partition plate (16) and a plurality of heat-conducting sleeves (17); the metal outer ring body (14) is welded to the inner surface of the tank body (5); the metal inner ring body (15) is welded to the inner surface of the metal outer ring body (14); the central partition plate (16) is welded to the inner surface of the metal inner ring body (15); and the heat-conducting sleeve (17) is inserted and connected to the central partition plate (16) and is sleeved on the outer surface of the heating and heat dissipation integrated tube (6).

4. A hydrogen storage alloy pressure vessel device according to claim 3, characterized in that: The central partition (16) is provided with a plurality of through holes (18), the inner diameter of the through holes (18) is larger than the maximum particle diameter of the hydrogen storage alloy particles (10), and a plurality of heat conducting columns (19) are welded on both sides of the central partition (16).

5. A hydrogen storage alloy pressure vessel device according to claim 4, characterized in that: A plurality of convex plates (20) are fixedly arranged on the arc-shaped outer surface of the heat-conducting column (19), and a plurality of grooves (21) are formed between the convex plates (20) and the heat-conducting column (19).

6. A hydrogen storage alloy pressure vessel device according to claim 3, characterized in that: The expansion buffer assembly (8) is composed of a deformable annular metal ring (22) and a plurality of deformable annular support bodies (23); the deformable annular metal ring (22) is welded and connected between two adjacent metal inner ring bodies (15); and the deformable annular support body (23) is welded and connected between the deformable annular metal ring (22) and the tank body (5).

7. A hydrogen storage alloy pressure vessel device according to claim 6, characterized in that: The cross section of the deformable annular metal ring (22) is an arc-shaped structure, the deformable annular support body (23) is an elliptical structure, and a limited support column (24) is welded to a side of the deformable annular support body (23) away from the deformable annular metal ring (22).

8. The hydrogen storage alloy pressure vessel device according to claim 1, characterized in that: The hydrogen charging and discharging auxiliary mechanism (3) is composed of a shell (25), a positioning connection plate (26), a circulating water refrigeration machine (27), a circulating water heater (28) and a combined pipeline (29); the shell (25) is fixedly connected to one end of the top of the support base (1); the positioning connection plate (26) is fixedly connected between the shell (25) and the tank body (5); the circulating water refrigeration machine (27) and the circulating water heater (28) are both fixedly connected to the inside of the shell (25); and the combined pipeline (29) is connected between the heating and heat dissipation integrated pipe (6) and the circulating water refrigeration machine (27) and the circulating water heater (28).

9. A hydrogen storage alloy pressure vessel device according to claim 8, characterized in that: The heating and heat dissipation integrated tube (6) is composed of an outer tube body (30), an inner tube body (31) and a plurality of connecting columns (32); the inner tube body (31) is located at the center of the outer tube body (30); the connecting column (32) is fixedly connected between the outer tube body (30) and the inner tube body (31); a water inlet channel (33) is formed inside the inner tube body (31); a water return channel (34) is formed between the outer tube body (30) and the inner tube body (31); and the water inlet channel (33) and the water return channel (34) are connected at one end away from the hydrogen charging and discharging auxiliary mechanism (3).

10. A hydrogen storage alloy pressure vessel device according to claim 9, characterized in that: The combined pipeline (29) is composed of an L-shaped reflux water storage tank (35), a circulation pump (36), a water extraction pipe (37), a water return pipe (38), a water return branch pipe 1 (39), a water return branch pipe 2 (40), a water supply pipe (41), a water supply branch pipe 1 (42) and a water supply branch pipe 2 (43). The L-shaped reflux water storage tank (35) is fixedly connected to the interior of the housing (25) and communicates with the water return channel (34). The circulation pump (36) is fixedly connected to the top of the L-shaped reflux water storage tank (35). The water extraction pipe (37) is connected between the circulation pump (36) and the L-shaped reflux water storage tank (35). The water return pipe (38) is fixedly connected to the water outlet of the circulation pump (36). The water return branch pipe 1 (39) is connected to the water return channel (34). ) is connected between the return pipe (38) and the circulating water chiller (27), the return water branch pipe 2 (40) is connected between the return pipe (38) and the circulating water heater (28), the water supply pipe (41) is fixedly connected to the inner pipe body (31), the water supply branch pipe 1 (42) is connected between the water supply pipe (41) and the circulating water chiller (27), the water supply branch pipe 2 (43) is connected between the water supply pipe (41) and the circulating water heater (28), the return water branch pipe 1 (39) is provided with a valve 1 (44), the return water branch pipe 2 (40) is provided with a valve 2 (45), the supply water branch pipe 1 (42) is provided with a valve 3 (46), and the supply water branch pipe 2 (43) is provided with a valve 4 (47).

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