Hydrogen storage device

Abstract

The utility model provides a hydrogen storage device, relates to hydrogen storage device technical field, hydrogen storage device includes including main valve block, diverter valve block and hydrogen storage tank, the plurality of outlets of main valve block are respectively communicated with a plurality of the inlet of diverter valve block, a plurality of diverter valve block along the vertical direction in proper order, the hydrogen storage tank is connected with the inlet of diverter valve block. A plurality of outlets of each diverter valve block are respectively connected with different hydrogen storage tanks, and the axes of the hydrogen storage tanks are parallel and are arranged in an array manner. According to the hydrogen storage device, the main valve block and the flow dividing valve blocks are arranged, a plurality of outlets of each flow dividing valve block are communicated with one hydrogen storage tank, the flow dividing valve blocks are sequentially arranged below the main valve block, and the hydrogen storage tanks communicated with the flow dividing valve blocks are arranged in parallel in the horizontal plane, so that all the hydrogen storage tanks are arranged in an array mode; more hydrogen storage tanks can be arranged in a limited space, the space is saved, the hydrogen storage tanks are filled with hydrogen at the same time, and the hydrogen filling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen storage devices, and more specifically, to a hydrogen storage device. Background Art

[0002] Hydrogen energy is a secondary energy source with a wide range of sources, clean and carbon-free, flexible and efficient, and rich application scenarios. It is an ideal interconnection medium to promote the clean and efficient utilization of traditional fossil energy and support the large-scale development of renewable energy. It is also the best choice to achieve large-scale deep decarbonization in the fields of transportation, electricity, industry, and construction. However, the safe and efficient storage of hydrogen has always been a world-class problem.

[0003] Existing hydrogen storage technologies often use hydrogen storage tanks for hydrogen storage. However, the hydrogen storage capacity of a single hydrogen storage tank is relatively small, and injecting liquid hydrogen into multiple hydrogen storage tanks in sequence also results in slow hydrogen storage efficiency. Summary of the Utility Model

[0004] The problem to be solved by the utility model is how to improve the hydrogen storage efficiency.

[0005] To this end, the utility model provides a hydrogen storage device, which includes a main valve block, a shunt valve block, and hydrogen storage tanks. Multiple outlets of the main valve block are respectively communicated with inlets of multiple shunt valve blocks. The multiple shunt valve blocks are arranged in sequence along the vertical direction. Multiple outlets of each shunt valve block are respectively connected to different hydrogen storage tanks. The axes of the multiple hydrogen storage tanks are parallel and arranged in an array.

[0006] Optionally, the hydrogen storage device further includes a diversion pipe. The outlet of the main valve block and the inlets of the multiple shunt valve blocks are communicated through the diversion pipe.

[0007] Optionally, the hydrogen storage device further includes a fixing plate. Through holes are formed in the fixing plate. The number of through holes in each fixing plate is the same as the number of hydrogen storage tanks in each row. The multiple fixing plates are correspondingly sleeved on multiple rows of hydrogen storage tanks through the through holes.

[0008] Optionally, the hydrogen storage device further includes a hydrogen storage box. The fixing plate, the main valve block, the shunt valve block, and the hydrogen storage tanks are all arranged in the hydrogen storage box.

[0009] Optionally, brackets are provided on both side surfaces of the hydrogen storage box along the length direction of the fixing plate. Both ends of the fixing plate in the length direction are respectively connected to the brackets on both sides.

[0010] Optionally, two fixing plates are sleeved on each hydrogen storage tank, and the two fixing plates are respectively sleeved on both ends of the hydrogen storage tank in the length direction.

[0011] Optionally, the hydrogen storage device further includes a fixing ring sleeved on the hydrogen storage tank, and two sides of the fixing ring are respectively connected to the fixing plate and the flow dividing valve block.

[0012] Optionally, quick-release joints are provided at both ends of the diversion pipe, and the quick-release joints are connected to the main valve block or the flow dividing valve block.

[0013] Optionally, the diversion pipe cannot be bent or deformed.

[0014] Optionally, the hydrogen storage device further includes a connecting rod, and the main valve block is connected to the uppermost flow dividing valve block through the connecting rod.

[0015] Compared with the prior art, the beneficial effects of the hydrogen storage device of the present utility model are as follows:

[0016] By providing a main valve block and a plurality of flow dividing valve blocks, both the main valve block and the flow dividing valve block include an inlet and a plurality of outlets. The plurality of outlets of the main valve block are respectively communicated with the inlet of the main valve block. Hydrogen can enter the main valve block through the inlet of the main valve block and be simultaneously transported to a plurality of flow dividing valve blocks through the plurality of outlets of the main valve block. The plurality of outlets of each flow dividing valve block are respectively communicated with different hydrogen storage tanks, so that the hydrogen entering the flow dividing valve block can be simultaneously transported into a plurality of hydrogen storage tanks, and is continuously pressurized and liquefied into liquid hydrogen in the hydrogen storage tanks, thereby simultaneously filling hydrogen into a plurality of hydrogen storage tanks. The plurality of flow dividing valve blocks are arranged in the vertical direction, that is, the Z-axis direction, so that the plurality of hydrogen storage tanks communicated with each flow dividing valve block are also sequentially arranged in groups in the vertical direction. The axes of all the hydrogen storage tanks are parallel to each other. The plurality of hydrogen storage tanks communicated with each flow dividing valve block are arranged side by side in the horizontal plane, that is, the plane where the X-axis and the Y-axis are located, so that all the hydrogen storage tanks are arranged in an array. More hydrogen storage tanks can be arranged in a limited space. The present utility model can arrange the maximum number of hydrogen storage tanks in a limited space, save space, and simultaneously fill hydrogen into these hydrogen storage tanks, improving the hydrogen filling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of the hydrogen storage device according to the embodiment of the present utility model.

[0018] Description of the reference numerals:

[0019] 1-main valve block; 2-flow dividing valve block; 3-hydrogen storage tank; 4-diversion pipe; 41-quick-release joint; 51-fixing plate; 52-fixing ring; 61-hydrogen storage box; 62-bracket; 7-connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model is given with reference to the accompanying drawings.

[0021] It should be noted that in the description of the present utility model, the orientation or positional relationship indicated by "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner" and "outer" is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model, rather than indicating or implying that the device referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present utility model.

[0022] The terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features.

[0023] Moreover, although the present utility model is described with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present utility model. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed, as long as they do not deviate from the spirit and scope of the present utility model defined by the appended claims. It should be understood that different dependent claims and features in this document can be combined in a manner different from that described in the original claims. It should also be understood that the features described in connection with a single embodiment can be used in other embodiments.

[0024] To solve the above problems, as Figure 1 shown, the present utility model provides a hydrogen storage device, which includes a main valve block 1, a shunt valve block 2 and a hydrogen storage tank 3. Multiple outlets of the main valve block 1 are respectively communicated with inlets of multiple shunt valve blocks 2. The multiple shunt valve blocks 2 are arranged in sequence along the vertical direction. Multiple outlets of each shunt valve block 2 are respectively connected to different hydrogen storage tanks 3. The axes of the multiple hydrogen storage tanks 3 are all parallel and are arranged in an array.

[0025] In this embodiment, by providing a main valve block 1 and a plurality of shunt valve blocks 2, both the main valve block 1 and the shunt valve blocks 2 include an inlet and a plurality of outlets. The plurality of outlets of the main valve block 1 are respectively communicated with the inlet of the main valve block 1. Hydrogen can enter the main valve block 1 through the inlet of the main valve block 1 and be simultaneously transported to the plurality of shunt valve blocks 2 through the plurality of outlets of the main valve block 1. The plurality of outlets of each shunt valve block 2 are respectively communicated with different hydrogen storage tanks 3, so that the hydrogen entering the shunt valve block 2 can be simultaneously transported into the plurality of hydrogen storage tanks 3, and is continuously pressurized and liquefied into liquid hydrogen in the hydrogen storage tanks 3, thereby simultaneously filling hydrogen into the plurality of hydrogen storage tanks 3. The plurality of shunt valve blocks 2 are arranged in the vertical direction, that is, the Z-axis direction, so that the plurality of hydrogen storage tanks 3 communicated with each shunt valve block 2 are also arranged in groups in the vertical direction in sequence. The axes of all the hydrogen storage tanks 3 are parallel to each other. The plurality of hydrogen storage tanks 3 communicated with each shunt valve block 2 are arranged side by side in the horizontal plane, that is, the plane where the X-axis and the Y-axis are located, so that all the hydrogen storage tanks 3 are arranged in an array, and more hydrogen storage tanks 3 can be arranged in a limited space. The utility model can arrange the most hydrogen storage tanks 3 in a limited space, save space, and simultaneously fill hydrogen into these hydrogen storage tanks 3 to improve the hydrogen filling efficiency.

[0026] Specifically, there may be five shunt valve blocks 2, and each shunt valve block 2 is provided with three outlets corresponding to three hydrogen storage tanks 3, so that a total of fifteen hydrogen storage tanks 3 are arranged in a three-by-five array.

[0027] Optionally, as Figure 1 shown, the hydrogen storage device further includes a diversion pipe 4, and the outlets of the main valve block 1 and the inlets of the plurality of shunt valve blocks 2 are communicated through the diversion pipe 4.

[0028] In this embodiment, by providing a plurality of diversion pipes 4 and respectively arranging the plurality of diversion pipes 4 between the plurality of outlets of the main valve block 1 and the inlets of the plurality of shunt valve blocks 2, it is convenient for hydrogen to flow between the main valve block 1 and the plurality of shunt valve blocks 2.

[0029] Optionally, as Figure 1 shown, the hydrogen storage device further includes a fixing plate 51, and through holes are formed in the fixing plate 51. The number of the through holes in each fixing plate 51 is the same as the number of the hydrogen storage tanks 3 in each row, and the plurality of fixing plates 51 are correspondingly sleeved on the multi-row hydrogen storage tanks 3 through the through holes.

[0030] In this embodiment, by providing a fixed plate 51 and arranging a plurality of through holes along its length direction, for example, the Y-axis direction, on the fixed plate 51, and arranging the hydrogen storage tank 3 along the X-axis direction, the number of through holes on each fixed plate 51 is the same as the number of hydrogen storage tanks 3 corresponding to each flow dividing valve block 2, and the diameter of the through holes is the same as the diameter of the hydrogen storage tank 3, so that the fixed plate 51 can be sleeved on the periphery of a plurality of hydrogen storage tanks 3 through the plurality of through holes, fixing a plurality of hydrogen storage tanks 3 in a row corresponding to each flow dividing valve block 2, and a plurality of fixed plates 51 fix a plurality of rows of hydrogen storage tanks 3, improving the connection stability between the hydrogen storage tank 3 and the flow dividing valve block 2.

[0031] Optionally, as Figure 1 shown, the hydrogen storage device further includes a hydrogen storage tank 61, and the fixed plate 51, the main valve block 1, the flow dividing valve block 2 and the hydrogen storage tank 3 are all arranged in the hydrogen storage tank 61.

[0032] In this embodiment, by providing the hydrogen storage tank 61 and arranging the main valve block 1, the flow dividing valve block 2, the hydrogen storage tank 3 and the fixed plate 51 in the hydrogen storage tank 61, the hydrogen storage device is integrated into a whole, which is convenient for moving the position of the hydrogen storage device and also convenient for protecting the main valve block 1, the flow dividing valve block 2 and the hydrogen storage tank 3 inside the hydrogen storage tank 61.

[0033] Specifically, a hole communicating with the inlet of the main valve block 1 is provided on the hydrogen storage tank 61, which is convenient for hydrogen to enter the main valve block 1.

[0034] Optionally, as Figure 1 shown, brackets 62 are provided at both ends of the hydrogen storage tank 61 along the length direction of the fixed plate 51, and both ends of the length direction of the fixed plate 51 are respectively connected to the corresponding brackets 62.

[0035] In this embodiment, by providing brackets 62 extending along the X-axis direction on the inner surfaces of both sides of the hydrogen storage tank 61 facing the Y-axis direction, connection positions are provided for both ends of the fixed plate 51 along the Y-axis direction, and the fixed plate 51 is lapped on the brackets 62 on both sides of the fixed plate 51 along the Y-axis direction, which is convenient for connecting the hydrogen storage tank 3 inside the hydrogen storage tank 61 and improving the structural stability of the hydrogen storage device.

[0036] Optionally, as Figure 1 shown, two fixed plates 51 are sleeved on each hydrogen storage tank 3, and the two fixed plates 51 are respectively sleeved on both ends of the hydrogen storage tank 3 along its length direction.

[0037] In this embodiment, by sleeving fixed plates 51 on both ends of each row of a plurality of hydrogen storage tanks 3 along the X-axis direction, the connection structure stability of each row of a plurality of hydrogen storage tanks 3 is further improved.

[0038] Optionally, as Figure 1As shown, the hydrogen storage device further includes a fixing ring 52, which is sleeved on the hydrogen storage tank 3, and both sides of the fixing ring 52 are respectively connected to the fixing plate 51 and the flow dividing valve block 2.

[0039] In this embodiment, by sleeving a fixing ring 52 on one end of the hydrogen storage tank 3 facing the flow dividing valve block 2, one side surface of the fixing ring 52 abuts against one side of the flow dividing valve block 2 facing the hydrogen storage tank 3, and the other side surface abuts against the fixing plate 51. The fixing ring 52 can enhance the stability of the connection structure between the hydrogen storage tank 3 and the flow dividing valve block 2, and prevent leakage inside the hydrogen storage tank 3 due to excessive hydraulic hydrogen pressure.

[0040] Optionally, as Figure 1 shown, quick-release heads 41 are provided at both ends of the diversion pipe 4, and the quick-release heads 41 are connected to the main valve block 1 or the flow dividing valve block 2.

[0041] In this embodiment, by providing quick-release heads 41 on both sides of the diversion pipe 4 and connecting them to the main valve block 1 or the flow dividing valve block 2 through the quick-release heads 41, it is convenient to disassemble, install and replace the diversion pipe 4.

[0042] Optionally, as Figure 1 shown, the diversion pipe 4 cannot be bent or deformed.

[0043] In this embodiment, by making the diversion pipe 4 of a non-bendable and hard material, it can prevent the diversion pipe 4 from shifting due to the flow of hydrogen and causing mutual interference, and can also bear greater pressure to prevent the diversion pipe 4 from being damaged due to excessive pressure.

[0044] Optionally, as Figure 1 shown, the hydrogen storage device further includes a connecting rod 7, and the main valve block 1 is connected to the topmost flow dividing valve block 2 through the connecting rod 7.

[0045] In this embodiment, by providing a connecting rod 7 between the main valve block 1 and the first flow dividing valve block 2 below it, and there can be multiple connecting rods 7, the main valve block 1 and the flow dividing valve block 2 are connected together to improve the stability of the connection structure between the main valve block and the flow dividing valve block 2.

[0046] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will all fall within the protection scope of the present invention.

Claims

1. A hydrogen storage device, characterized in that, It includes a main valve block (1), a flow dividing valve block (2) and a hydrogen storage tank (3). Multiple outlets of the main valve block (1) are respectively communicated with inlets of multiple flow dividing valve blocks (2). The multiple flow dividing valve blocks (2) are arranged in sequence along the vertical direction. Multiple outlets of each flow dividing valve block (2) are respectively connected to different hydrogen storage tanks (3). Axes of the multiple hydrogen storage tanks (3) are all parallel and are arranged in an array.

2. The hydrogen storage device according to claim 1, wherein It further includes a diversion pipe (4). The outlet of the main valve block (1) and the inlets of the multiple flow dividing valve blocks (2) are all communicated through the diversion pipe (4).

3. The hydrogen storage device according to claim 1, characterized in that, It further includes a fixing plate (51). Through holes are formed in the fixing plate (51). The number of the through holes on each fixing plate (51) is the same as the number of the hydrogen storage tanks (3) in each row. The multiple fixing plates (51) are correspondingly sleeved on multiple rows of hydrogen storage tanks (3) through the through holes.

4. The hydrogen storage device according to claim 3, characterized in that, It further includes a hydrogen storage box (61). The fixing plate (51), the main valve block (1), the flow dividing valve block (2) and the hydrogen storage tank (3) are all arranged in the hydrogen storage box (61).

5. The hydrogen storage device according to claim 4, characterized in that, Brackets (62) are provided at both ends of the hydrogen storage box (61) along the length direction of the fixing plate (51). Both ends of the fixing plate (51) in the length direction are respectively connected to the corresponding brackets (62).

6. The hydrogen storage device according to claim 4, wherein Two fixing plates (51) are sleeved on each hydrogen storage tank (3). The two fixing plates (51) are respectively sleeved on both ends of the hydrogen storage tank (3) in the length direction.

7. The hydrogen storage device according to claim 3, characterized in that It further includes a fixing ring (52). The fixing ring (52) is sleeved on the hydrogen storage tank (3). Both sides of the fixing ring (52) are respectively connected to the fixing plate (51) and the flow dividing valve block (2).

8. The hydrogen storage device according to claim 2, characterized in that, Quick-release heads (41) are provided at both ends of the diversion pipe (4). The quick-release heads (41) are connected to the main valve block (1) or the flow dividing valve block (2).

9. The hydrogen storage device according to claim 2, wherein The diversion pipe (4) cannot be bent and deformed.

10. The hydrogen storage device according to any one of claims 1-9, characterized in that, It further includes a connecting rod (7). The main valve block (1) is connected to the uppermost flow dividing valve block (2) through the connecting rod (7).

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