Hydrogen storage alloy sealed storage tank device

Abstract

The invention relates to the technical field of solid hydrogen storage, and discloses a hydrogen storage alloy sealed storage tank device which solves the problem that hydrogen charging and hydrogen discharging efficiency is affected due to the fact that an existing alloy sealed storage tank is not convenient to rapidly dissipate heat and heat, the hydrogen storage alloy sealed storage tank device comprises a supporting base, and a sealed storage tank body is arranged at one end of the top of the supporting base; a heat dissipation and heating integrated mechanism is arranged at the other end of the top of the supporting base, the sealed storage tank body is composed of a stainless steel tank body, a first combined type hydrogen storage alloy and a second combined type hydrogen storage alloy, and the first combined type hydrogen storage alloy and the second combined type hydrogen storage alloy are both connected into the stainless steel tank body; a first heat conduction heat pipe is arranged between the first combined type hydrogen storage alloy and the stainless steel tank body, a second heat conduction heat pipe is arranged between the second combined type hydrogen storage alloy and the stainless steel tank body, and the heat dissipation and heating integrated mechanism is composed of a heat dissipation protective cover, a plurality of first heat dissipation fans and an electric heating assembly. By means of the sealed storage tank, rapid heat dissipation and heating can be achieved, and therefore the hydrogen charging efficiency and the hydrogen discharging efficiency can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of solid-state hydrogen storage, and in particular relates to a hydrogen storage alloy sealed storage tank device. Background Art

[0002] With the intensification of the energy crisis and the strengthening of environmental awareness, the use of hydrogen energy has received more and more attention. In the process of hydrogen use, hydrogen storage has always been the focus of scientists' research. Commonly used hydrogen storage technologies mainly include: high-pressure gaseous hydrogen storage, low-temperature liquid hydrogen storage and solid hydrogen storage using hydrogen storage materials as the medium.

[0003] Metal hydride solid-state hydrogen storage technology utilizes the reaction between hydrogen and hydrogen storage alloys to achieve hydrogen storage. Compared with other hydrogen storage methods, it has the advantages of high hydrogen storage density, low pressure, good safety, and high hydrogen purity. It is an important direction for the development of hydrogen storage technology. However, the existing alloy solid-state hydrogen storage technology still has certain defects. Hydrogen storage alloys will generate a large amount of heat when absorbing hydrogen, and need to absorb a large amount of heat from the outside when releasing hydrogen. Existing alloy hydrogen storage tanks are difficult to achieve rapid heat exchange, resulting in slow heat dissipation and heating speeds, affecting the efficiency of hydrogen charging and degassing. Therefore, the present application proposes a hydrogen storage alloy sealed storage tank 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 sealed storage tank device, which effectively solves the problem that the existing alloy sealed storage tank is not convenient for rapid heat dissipation and heating, thereby affecting the efficiency of hydrogen charging and dehydrogenation.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hydrogen storage alloy sealed storage tank device, comprising a support base, a plurality of support seats 1 are fixedly arranged at one end of the top of the support base, a sealed storage tank body is fixedly arranged at the top of the support seat 1, a plurality of support seats 2 are fixedly arranged at the other end of the top of the support base, a heat dissipation and heating integrated mechanism is fixedly arranged at the top of the support seat 2, the sealed storage tank body is composed of a stainless steel tank body, a first combined hydrogen storage alloy and a second combined hydrogen storage alloy, the first combined hydrogen storage alloy and the second combined hydrogen storage alloy are both fixedly connected to the inside of the stainless steel tank body, a plurality of heat-conducting heat pipes 1 are fixedly arranged between the first combined hydrogen storage alloy and the stainless steel tank body, a plurality of heat-conducting heat pipes 2 are fixedly arranged between the second combined hydrogen storage alloy and the stainless steel tank body, the heat dissipation and heating integrated mechanism is composed of a heat dissipation protective cover, a plurality of heat dissipation fans 1 and an electric heating assembly, the heat dissipation protective cover is fixedly connected to the support seat 2 and the sealed storage tank body, the heat dissipation fan 1 is inserted and connected to the bottom end of the heat dissipation protective cover, and the electric heating assembly is located inside the heat dissipation protective cover and fixedly connected to the heat-conducting heat pipe 1 and the heat-conducting heat pipe 2.

[0006] Preferably, the stainless steel tank body is composed of a stainless steel inner tank, a stainless steel outer tank, a stainless steel end cap one and a stainless steel end cap two, the stainless steel inner tank is located at the center of the stainless steel outer tank, the stainless steel end cap one and the stainless steel end cap two are fixedly connected to the two ends of the stainless steel inner tank and the stainless steel outer tank respectively, a heat dissipation internal channel is formed inside the stainless steel inner tank, one end of the stainless steel inner tank forms an air inlet, and the other end of the stainless steel inner tank forms an air outlet, and a hydrogen storage cavity is formed between the stainless steel inner tank and the stainless steel outer tank, the stainless steel end cap one and the stainless steel end cap two.

[0007] Preferably, the interior of the heat dissipation inner channel is provided with a spiral heat dissipation inner plate fixedly connected to the stainless steel inner tank and a plurality of heat dissipation fans; the outer surface of the stainless steel outer tank is fixedly provided with a spiral heat dissipation outer plate; the top of each end of the stainless steel end cover is interspersed with a hydrogen charging and discharging pipe connected to the hydrogen storage inner cavity, and a valve is provided on the hydrogen charging and discharging pipe.

[0008] Preferably, the first combined hydrogen storage alloy is composed of a hydrogen storage alloy sleeve and a spiral hydrogen storage alloy plate, the hydrogen storage alloy sleeve is fixedly connected to the inner surface of the stainless steel outer tank, and the spiral hydrogen storage alloy plate is fixedly connected to the inner surface of the hydrogen storage alloy sleeve.

[0009] Preferably, the second combined hydrogen storage alloy is composed of a second hydrogen storage alloy sleeve and a second spiral hydrogen storage alloy plate, the second hydrogen storage alloy sleeve is fixedly connected to the outer surface of the stainless steel inner tank, and the second spiral hydrogen storage alloy plate is fixedly connected to the outer surface of the second hydrogen storage alloy sleeve.

[0010] Preferably, the inner surface of the stainless steel outer tank is provided with a plurality of inner installation grooves 1 matching the heat-conducting heat pipe 1, and the outer surface of the stainless steel inner tank is provided with a plurality of outer installation grooves 1 matching the heat-conducting heat pipe 2.

[0011] Preferably, the outer surface of the hydrogen storage alloy sleeve 1 is provided with a plurality of outer mounting grooves 2 matching the heat-conducting heat pipe 1, and the inner surface of the hydrogen storage alloy sleeve 2 is provided with a plurality of inner mounting grooves 2 matching the heat-conducting heat pipe 2.

[0012] Preferably, the heat-conducting heat pipe 1 and the heat-conducting heat pipe 2 are both composed of a copper tube sleeve and a liquid-conducting core. The liquid-conducting core is located inside the copper tube sleeve. The interior of the copper tube sleeve is filled with evaporative liquid. A steam flow channel is formed between the copper tube sleeve and the liquid-conducting core. A plurality of heat dissipation fins are fixedly arranged at one end of the outer surface of the copper tube sleeve.

[0013] Preferably, the heat dissipation protective cover is composed of a mounting cover and a mesh cover, the mounting cover is fixedly connected to the sealed storage tank body by a plurality of bolts, the mesh cover is connected to the mounting cover, and the mesh cover is a detachable structure.

[0014] Preferably, the electric heating assembly is composed of an electric heating tube, a heat conducting plate and a plurality of heat conducting sleeves. The electric heating tube is fixedly connected to the inside of the mounting cover, the heat conducting plate is sleeved on the electric heating tube, and the heat conducting sleeve is fixedly connected to one side of the heat conducting plate and sleeved on one end of heat conducting heat pipe one and heat conducting heat pipe two.

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

[0016] (1) During operation, a stainless steel tank body consisting of a stainless steel inner tank, a stainless steel outer tank, a stainless steel end cap 1 and a stainless steel end cap 2 can be provided to form an integrated sealing structure, thereby improving the overall sealing of the storage tank, avoiding leakage of hydrogen, and improving the safety of use;

[0017] (2) By providing a first combined hydrogen storage alloy consisting of a hydrogen storage alloy sleeve 1 and a spiral hydrogen storage alloy plate 1 and a second combined hydrogen storage alloy consisting of a hydrogen storage alloy sleeve 2 and a spiral hydrogen storage alloy plate 2, solid-state hydrogen storage can be achieved, and the surface area of ​​the alloy can be increased, thereby increasing the hydrogen storage capacity, and at the same time, the uniformity of heat dissipation and heating can be improved;

[0018] (3) By providing heat-conducting heat pipes 1 and 2 composed of a copper tube sleeve and a liquid-conducting core, and providing an integrated heat dissipation and heating mechanism composed of a heat dissipation protective cover, a plurality of heat dissipation fans 1 and an electric heating component, the first combined hydrogen storage alloy and the second combined hydrogen storage alloy can be quickly dissipated during hydrogen charging, and the first combined hydrogen storage alloy and the second combined hydrogen storage alloy can be quickly heated during hydrogen discharge, thereby improving the efficiency of hydrogen charging and dehydrogenation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] In the attached picture:

[0021] Figure 1 This is a schematic diagram of the structure of the hydrogen storage alloy sealed storage tank device of the present invention;

[0022] Figure 2 It is a cross-sectional view of the hydrogen storage alloy sealed storage tank device of the present invention;

[0023] Figure 3 This is a cross-sectional view of the sealed storage tank body of the present invention;

[0024] Figure 4 For the present invention Figure 3 A partial enlarged view of

[0025] Figure 5 This is a cross-sectional view of the sealed storage tank body of the present invention;

[0026] Figure 6 This is a cross-sectional view of the stainless steel tank body of the present invention;

[0027] Figure 7 It is a cross-sectional view of the first combined hydrogen storage alloy of the present invention;

[0028] Figure 8 A cross-sectional view of a second combined hydrogen storage alloy of the present invention;

[0029] Fig. 9 A cross-sectional view of a heat-conducting heat pipe of the present invention;

[0030] Fig.10 This is a schematic diagram of the internal structure of the integrated heat dissipation and heating mechanism of the present invention;

[0031] In the figure: 1. Support base; 2. Support 1; 3. Sealed storage tank body; 4. Support 2; 5. Heat dissipation and heating integrated mechanism; 6. Stainless steel tank body; 7. First combined hydrogen storage alloy; 8. Second combined hydrogen storage alloy; 9. Heat conduction heat pipe 1; 10. Heat conduction heat pipe 2; 11. Heat dissipation protective cover; 12. Heat dissipation fan 1; 13. Electric heating component; 14. Stainless steel inner tank; 15. Stainless steel outer tank; 16. Stainless steel end cover 1; 17. Stainless steel end cover 2; 18. Heat dissipation inner channel; 19. Air inlet; 20. Air outlet; 21. Hydrogen storage cavity; 22. Spiral heat dissipation Inner plate; 23. Two cooling fans; 24. Spiral cooling outer plate; 25. Hydrogen charging and discharging tubes; 26. Valve; 27. One hydrogen storage alloy sleeve; 28. One spiral hydrogen storage alloy plate; 29. ​​Two hydrogen storage alloy sleeves; 30. Two spiral hydrogen storage alloy plates; 31. Install one inner tank; 32. Install one outer tank; 33. Install two outer tanks; 34. Install two inner tanks; 35. Copper tube sleeve; 36. Liquid guide core; 37. Evaporating liquid; 38. Steam flow channel; 39. Cooling fins; 40. Install cover; 41. Mesh cover; 42. Bolts; 43. Electric heating tube; 44. Heat conduction plate; 45. Heat conduction sleeve. 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 5 and Fig.10The present invention provides a hydrogen storage alloy sealed storage tank device, comprising a support base 1, a plurality of support seats 2 are fixedly arranged at one end of the top of the support base 1, a sealed storage tank body 3 is fixedly arranged at the top of the support seat 2, a plurality of support seats 4 are fixedly arranged at the other end of the top of the support base 1, a heat dissipation and heating integrated mechanism 5 is fixedly arranged at the top of the support seat 4, the sealed storage tank body 3 is composed of a stainless steel tank body 6, a first combined hydrogen storage alloy 7 and a second combined hydrogen storage alloy 8, the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8 are both fixedly connected to the inside of the stainless steel tank body 6, the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8 are fixedly connected to the inside of the stainless steel tank body 6, and the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8 are fixedly connected to the inside of the stainless steel tank body 6. A plurality of heat-conducting heat pipes 9 are fixedly arranged between the combined hydrogen storage alloy 7 and the stainless steel tank body 6, a plurality of heat-conducting heat pipes 10 are fixedly arranged between the second combined hydrogen storage alloy 8 and the stainless steel tank body 6, and the heat dissipation and heating integrated mechanism 5 is composed of a heat dissipation shield 11, a plurality of heat dissipation fans 12 and an electric heating assembly 13, the heat dissipation shield 11 is fixedly connected to the support 2 4 and the sealed storage tank body 3, the heat dissipation fan 12 is inserted and connected to the bottom end of the heat dissipation shield 11, and the electric heating assembly 13 is located inside the heat dissipation shield 11 and is fixedly connected to the heat-conducting heat pipe 9 and the heat-conducting heat pipe 2 10;

[0034] When in use, the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8 are packaged by the stainless steel tank body 6 to improve the overall sealing performance, avoid hydrogen leakage during later use, and thus improve the safety of use. Solid-state hydrogen storage is achieved by the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8. When charging with hydrogen, the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8 are in an exothermic state. At this time, heat dissipation is achieved by the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10. The heat is transferred to one end of the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10 close to the heat dissipation and heating integrated mechanism 5, and auxiliary heat dissipation is achieved by the heat dissipation fan 12. When releasing hydrogen, the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8 are in an endothermic state. The other end of the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10 is heated by the electric heating component 13, so that the heat is transferred to the inside of the first combined hydrogen storage alloy 7 and the second combined hydrogen storage alloy 8, thereby achieving heating and thus improving the release rate of hydrogen.

[0035] Embodiment 2, based on embodiment 1, Figures 2 to 8The stainless steel tank body 6 is composed of a stainless steel inner tank 14, a stainless steel outer tank 15, a stainless steel end cap 16 and a stainless steel end cap 2 17. The stainless steel inner tank 14 is located at the center of the stainless steel outer tank 15. The stainless steel end cap 16 and the stainless steel end cap 2 17 are respectively fixedly connected to the two ends of the stainless steel inner tank 14 and the stainless steel outer tank 15. The interior of the stainless steel inner tank 14 forms a heat dissipation inner channel 18. One end of the stainless steel inner tank 14 forms an air inlet 19, and the other end of the stainless steel inner tank 14 forms an air outlet 2 0, a hydrogen storage inner cavity 21 is formed between the stainless steel inner tank 14 and the stainless steel outer tank 15, the stainless steel end cap 16 and the stainless steel end cap 2 17, a spiral heat dissipation inner plate 22 fixedly connected to the stainless steel inner tank 14 and a plurality of heat dissipation fans 23 are arranged inside the heat dissipation inner channel 18, a spiral heat dissipation outer plate 24 is fixedly arranged on the outer surface of the stainless steel outer tank 15, a hydrogen charging and discharging pipe 25 connected to the hydrogen storage inner cavity 21 is inserted on the top of one end of the stainless steel end cap 16, and a valve 26 is arranged on the hydrogen charging and discharging pipe 25;

[0036] The stainless steel inner tank 14, the stainless steel outer tank 15, the stainless steel end cap 16 and the stainless steel end cap 2 17 are welded connection structures. During production and processing, they are welded and formed from the inside to the outside in sequence to achieve overall sealing. The stainless steel inner tank 14 can be quickly cooled during hydrogen filling through the heat dissipation inner channel 18, the spiral heat dissipation inner plate 22 and the heat dissipation fan 2 23. The stainless steel outer tank 15 can be quickly cooled during hydrogen filling through the spiral heat dissipation outer plate 24, thereby further improving the heat dissipation efficiency. The hydrogen filling and dehydration can be achieved through the hydrogen filling and dehydration pipe 25.

[0037] The first combined hydrogen storage alloy 7 is composed of a hydrogen storage alloy sleeve 27 and a spiral hydrogen storage alloy plate 28, wherein the hydrogen storage alloy sleeve 27 is fixedly connected to the inner surface of the stainless steel outer tank 15, and the spiral hydrogen storage alloy plate 28 is fixedly connected to the inner surface of the hydrogen storage alloy sleeve 27; the second combined hydrogen storage alloy 8 is composed of a hydrogen storage alloy sleeve 29 and a spiral hydrogen storage alloy plate 30, wherein the hydrogen storage alloy sleeve 29 is fixedly connected to the outer surface of the stainless steel inner tank 14, and the spiral hydrogen storage alloy plate 30 is fixedly connected to the outer surface of the hydrogen storage alloy sleeve 29;

[0038] By providing the spiral hydrogen storage alloy plate 1 28 and the spiral hydrogen storage alloy plate 2 30, the surface area can be increased, thereby increasing the hydrogen storage capacity. By providing a spiral structure, the uniformity of heat dissipation and heating can also be improved, thereby achieving rapid hydrogen charging and decharging.

[0039] The inner surface of the stainless steel outer tank 15 is provided with a plurality of mounting inner grooves 31 matching the heat-conducting heat pipe 19, the outer surface of the stainless steel inner tank 14 is provided with a plurality of mounting outer grooves 32 matching the heat-conducting heat pipe 210, the outer surface of the hydrogen storage alloy sleeve 27 is provided with a plurality of mounting outer grooves 33 matching the heat-conducting heat pipe 19, and the inner surface of the hydrogen storage alloy sleeve 29 is provided with a plurality of mounting inner grooves 34 matching the heat-conducting heat pipe 210;

[0040] By installing the inner groove 1 31, the outer groove 1 32, the outer groove 2 33 and the inner groove 2 34, the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10 can be matched, which facilitates the installation of the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10, and can also increase the contact area with the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10, thereby improving the heat dissipation and heating efficiency.

[0041] Embodiment 3, based on embodiment 1, Figure 3 , Figure 5 , Fig. 9 and Fig.10 It is shown that the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10 are both composed of a copper tube sleeve 35 and a liquid-conducting core 36. The liquid-conducting core 36 is located inside the copper tube sleeve 35. The inside of the copper tube sleeve 35 is filled with evaporative liquid 37. A steam flow channel 38 is formed between the copper tube sleeve 35 and the liquid-conducting core 36. A plurality of heat dissipation fins 39 are fixedly provided on one end of the outer surface of the copper tube sleeve 35.

[0042] The heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10 are both horizontal structures. Therefore, when one end of the copper tube sleeve 35 is heated, the evaporating liquid 37 near the heated end evaporates, thereby absorbing heat, and the steam flows along the steam flow channel 38 to the other end and is liquefied at the other end. Heat is released through liquefaction, thereby realizing two-way heat conduction, that is, heat dissipation can be achieved during hydrogen charging, and heating can be achieved during hydrogen discharge;

[0043] The heat dissipation protection cover 11 is composed of a mounting cover 40 and a mesh cover 41. The mounting cover 40 is fixedly connected to the sealed storage tank body 3 by a plurality of bolts 42. The mesh cover 41 is connected to the mounting cover 40. The mesh cover 41 is a detachable structure. The electric heating assembly 13 is composed of an electric heating tube 43, a heat conducting plate 44 and a plurality of heat conducting sleeves 45. The electric heating tube 43 is fixedly connected to the inside of the mounting cover 40. The heat conducting plate 44 is sleeved on the electric heating tube 43. The heat conducting sleeve 45 is fixedly connected to one side of the heat conducting plate 44 and sleeved on one end of the heat conducting heat pipe 1 9 and the heat conducting heat pipe 2 10.

[0044] During heat dissipation, the heat dissipation can be accelerated by the heat dissipation fan 12 and the heat dissipation fins 39. During heating, the heat-conducting heat pipe 1 9 and the heat-conducting heat pipe 2 10 are heated by the electric heating tube 43, the heat-conducting plate 44 and a plurality of heat-conducting sleeves 45 to achieve two-way heat conduction.

[0045] During operation, by providing a stainless steel tank body consisting of a stainless steel inner tank, a stainless steel outer tank, a stainless steel end cap one and a stainless steel end cap two, an integrated sealing structure can be formed, thereby improving the overall sealing of the storage tank, avoiding leakage of hydrogen, and improving the safety of use; by providing a first combined hydrogen storage alloy consisting of a hydrogen storage alloy sleeve one and a spiral hydrogen storage alloy plate one, and a second combined hydrogen storage alloy consisting of a hydrogen storage alloy sleeve two and a spiral hydrogen storage alloy plate two, solid-state hydrogen storage can be achieved, and the surface area of ​​the alloy can be increased, thereby increasing the hydrogen storage capacity, and at the same time, the uniformity of heat dissipation and heating can be improved; by providing a heat-conducting heat pipe one and a heat-conducting heat pipe two consisting of a copper tube sleeve and a liquid-conducting core, and providing a heat dissipation and heating integrated mechanism consisting of a heat dissipation protective cover, a plurality of heat dissipation fans one and an electric heating component, the first combined hydrogen storage alloy and the second combined hydrogen storage alloy can be quickly dissipated during hydrogen charging, and the first combined hydrogen storage alloy and the second combined hydrogen storage alloy can be quickly heated during hydrogen discharge, thereby improving the efficiency of hydrogen charging and discharge.

Claims

1. A hydrogen storage alloy sealed storage tank device, comprising a support base (1), characterized in that: A plurality of first supports (2) are fixedly arranged at one end of the top of the support base (1), a sealed storage tank body (3) is fixedly arranged at the top of the first support (2), a plurality of second supports (4) are fixedly arranged at the other end of the top of the support base (1), a heat dissipation and heating integrated mechanism (5) is fixedly arranged at the top of the second support (4), the sealed storage tank body (3) is composed of a stainless steel tank body (6), a first combined hydrogen storage alloy (7) and a second combined hydrogen storage alloy (8), the first combined hydrogen storage alloy (7) and the second combined hydrogen storage alloy (8) are both fixedly connected to the interior of the stainless steel tank body (6), the first combined hydrogen storage alloy (7) and the stainless steel tank body are fixedly connected to the first combined hydrogen storage alloy (7) and the stainless steel tank body. (6), a plurality of heat-conducting heat pipes (9) are fixedly arranged between the second combined hydrogen storage alloy (8) and the stainless steel tank body (6), a plurality of heat-conducting heat pipes (10) are fixedly arranged between the second combined hydrogen storage alloy (8) and the stainless steel tank body (6), the heat dissipation and heating integrated mechanism (5) is composed of a heat dissipation protective cover (11), a plurality of heat dissipation fans (12) and an electric heating component (13), the heat dissipation protective cover (11) is fixedly connected to the support (4) and the sealed storage tank body (3), the heat dissipation fan (12) is inserted and connected to the bottom end of the heat dissipation protective cover (11), and the electric heating component (13) is located inside the heat dissipation protective cover (11) and is fixedly connected to the heat-conducting heat pipe (9) and the heat-conducting heat pipe (10).

2. A hydrogen storage alloy sealed storage tank device according to claim 1, characterized in that: The stainless steel tank body (6) is composed of a stainless steel inner tank (14), a stainless steel outer tank (15), a stainless steel end cap 1 (16) and a stainless steel end cap 2 (17); the stainless steel inner tank (14) is located at the center of the stainless steel outer tank (15); the stainless steel end cap 1 (16) and the stainless steel end cap 2 (17) are respectively fixedly connected to the two ends of the stainless steel inner tank (14) and the stainless steel outer tank (15); a heat dissipation inner channel (18) is formed inside the stainless steel inner tank (14); an air inlet (19) is formed at one end of the stainless steel inner tank (14); an air outlet (20) is formed at the other end of the stainless steel inner tank (14); and a hydrogen storage cavity (21) is formed between the stainless steel inner tank (14), the stainless steel outer tank (15), the stainless steel end cap 1 (16) and the stainless steel end cap 2 (17).

3. A hydrogen storage alloy sealed storage tank device according to claim 2, characterized in that: The heat dissipation inner channel (18) is provided with a spiral heat dissipation inner plate (22) fixedly connected to the stainless steel inner tank (14) and a plurality of heat dissipation fans (23); the outer surface of the stainless steel outer tank (15) is fixedly provided with a spiral heat dissipation outer plate (24); a hydrogen charging and discharging pipe (25) communicating with the hydrogen storage inner cavity (21) is inserted through the top of one end of the stainless steel end cover (16); and a valve (26) is provided on the hydrogen charging and discharging pipe (25).

4. A hydrogen storage alloy sealed storage tank device according to claim 2, characterized in that: The first combined hydrogen storage alloy (7) is composed of a hydrogen storage alloy sleeve (27) and a spiral hydrogen storage alloy plate (28), wherein the hydrogen storage alloy sleeve (27) is fixedly connected to the inner surface of the stainless steel outer tank (15), and the spiral hydrogen storage alloy plate (28) is fixedly connected to the inner surface of the hydrogen storage alloy sleeve (27).

5. A hydrogen storage alloy sealed storage tank device according to claim 4, characterized in that: The second combined hydrogen storage alloy (8) is composed of a second hydrogen storage alloy sleeve (29) and a second spiral hydrogen storage alloy plate (30), wherein the second hydrogen storage alloy sleeve (29) is fixedly connected to the outer surface of the stainless steel inner tank (14), and the second spiral hydrogen storage alloy plate (30) is fixedly connected to the outer surface of the second hydrogen storage alloy sleeve (29).

6. A hydrogen storage alloy sealed storage tank device according to claim 2, characterized in that: The inner surface of the stainless steel outer tank (15) is provided with a plurality of inner mounting grooves (31) matching the heat-conducting heat pipe (9), and the outer surface of the stainless steel inner tank (14) is provided with a plurality of outer mounting grooves (32) matching the heat-conducting heat pipe (10).

7. A hydrogen storage alloy sealed storage tank device according to claim 5, characterized in that: The outer surface of the hydrogen storage alloy sleeve (27) is provided with a plurality of outer mounting grooves (33) matching the heat conduction heat pipe (9), and the inner surface of the hydrogen storage alloy sleeve (29) is provided with a plurality of inner mounting grooves (34) matching the heat conduction heat pipe (10).

8. A hydrogen storage alloy sealed storage tank device according to claim 1, characterized in that: The heat-conducting heat pipe 1 (9) and the heat-conducting heat pipe 2 (10) are both composed of a copper tube sleeve (35) and a liquid-conducting core (36); the liquid-conducting core (36) is located inside the copper tube sleeve (35); the interior of the copper tube sleeve (35) is filled with evaporative liquid (37); a steam flow channel (38) is formed between the copper tube sleeve (35) and the liquid-conducting core (36); and a plurality of heat-dissipating fins (39) are fixedly arranged at one end of the outer surface of the copper tube sleeve (35).

9. A hydrogen storage alloy sealed storage tank device according to claim 1, characterized in that: The heat dissipation protection cover (11) is composed of a mounting cover (40) and a mesh cover (41); the mounting cover (40) is fixedly connected to the sealed storage tank body (3) via a plurality of bolts (42); the mesh cover (41) is connected to the mounting cover (40); and the mesh cover (41) is a detachable structure.

10. A hydrogen storage alloy sealed storage tank device according to claim 9, characterized in that: The electric heating assembly (13) is composed of an electric heating tube (43), a heat conducting plate (44) and a plurality of heat conducting sleeves (45); the electric heating tube (43) is fixedly connected to the inside of the mounting cover (40); the heat conducting plate (44) is sleeved on the electric heating tube (43); the heat conducting sleeve (45) is fixedly connected to one side of the heat conducting plate (44) and sleeved on one end of the heat conducting heat pipe 1 (9) and the heat conducting heat pipe 2 (10).

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