Hydrogen purification device

Abstract

The utility model discloses a hydrogen purification device which comprises a machine body, a rotating roller is rotatably connected in the machine body, a plurality of pipe bodies are inserted on the rotating roller, an air inlet and an air outlet are respectively arranged at two ends of the machine body positioned on the rotating roller, drying cotton, a drying agent and a molecular sieve are arranged in the pipe bodies, and a gear is rotatably connected on the machine body. According to the hydrogen purification device disclosed by the utility model, the electric push rod is started, the rack is pushed to move, and the butt-joint barrel is driven to be close to the end part of the pipe body under the action of the gear, so that the pipe body can be conveniently and quickly butt-jointed and mounted, hydrogen can normally pass through the butt-joint barrel during hydrogen purification, and the hydrogen is dehydrated through the drying cotton and the drying agent; the molecular sieve not only can effectively remove redundant moisture in hydrogen, but also can remove oxygen and other harmful impurities, the purity of the hydrogen is improved, the poke rod is pulled downwards, and the push rod pushes the poke disc to rotate by one pipe body position through the push groove, so that the pipe body is conveniently and quickly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of purification devices, in particular to a hydrogen purification device. Background Art

[0002] At normal temperature and pressure, hydrogen is a highly flammable, colorless, transparent, odorless and tasteless gas. Hydrogen is the smallest known gas in the world, and its mass is only 1 / 14 of that of air, that is, at 0°C and a standard atmospheric pressure, its density is 0.0899g / L, so hydrogen can be used as the filling gas for airships and hydrogen balloons. Hydrogen is the substance with the smallest relative molecular mass. In the process of producing hydrogen by electrolysis of water, due to the influence of impurities in the raw water and water vapor in the hydrogen, the discharged hydrogen will carry some impurities such as water vapor, oxygen, nitrogen and carbon dioxide. In order to improve the purity and quality of hydrogen, it needs to be dehydrated and purified.

[0003] During dehydration, the drying tube often needs to be replaced. In the existing structure, the replacement of the drying tube is cumbersome and complicated. The bolts at both ends of the drying tube body need to be unscrewed and then replaced with a new tube body. The process of tightening the bolts takes a long time and is inconvenient for the staff to use. Utility Model Content

[0004] The utility model aims to provide a hydrogen purification device to solve the problem that the replacement of the drying tube is complicated and inconvenient for the staff to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrogen purification device, comprising a body, a purification mechanism connected to the body, the purification mechanism comprising a rotating roller, the rotating roller is rotatably connected inside the body, a plurality of tubes are plugged into the rotating roller, an air inlet and an air outlet are respectively installed at the two ends of the body located at the top of the rotating roller, the air inlet and the air outlet are used to communicate with the two ends of the tube body, three layers of drying cotton are installed inside the tube body, a desiccant is installed between a pair of drying cottons close to the air inlet end, and a multi-layer molecular sieve is installed between a pair of drying cottons close to the air outlet end, and a toggle assembly for toggling the rotating roller is connected to the body;

[0006] The body is connected to a sealing mechanism, which includes a pushing block. The body is provided with docking tubes at the air inlet and the air outlet, respectively, and the docking tubes are used to engage with the end of the tube body. A pair of connecting hoses are respectively installed between the air outlet and the air inlet. The body is rotatably connected to a gear, and a rack is installed on the docking tube. The pair of racks are respectively meshed with the two ends of the gear. The body is connected to a driving component for driving the rack to move.

[0007] As a preferred technical solution of the utility model, sealing gaskets are respectively installed at both ends of the tube body, and the docking tube is in close contact with the sealing gasket, thereby increasing the airtightness during docking and avoiding hydrogen leakage.

[0008] As a preferred technical solution of the utility model, the driving assembly includes a pushing block, wherein a pushing block is installed at one end of one of the racks, an electric push rod is installed on the machine body, and the output end of the electric push rod is installed on the pushing block, so as to facilitate pushing the rack to move, so that a pair of docking tubes can be close to the tube body.

[0009] As a preferred technical solution of the utility model, the toggle assembly includes a toggle disk, a toggle disk is installed at one end of the rotating shaft of the rotating roller, a toggle rod is rotatably connected to the body, the toggle rod is rotatably connected to the push rod, the toggle disk is provided with push grooves corresponding to multiple tube bodies, the push rod is in contact with the toggle disk through the push grooves, and a second spring is installed between the push rod and the toggle rod, so as to facilitate the rotation of the rotating roller and the switching of the tube body.

[0010] As a preferred technical solution of the utility model, the push groove is in the shape of a right-angled triangle, and the hypotenuses of the multiple push grooves are arranged in the same clockwise direction. A first spring is installed between the end of the toggle rod away from the push rod and the machine body, so as to facilitate the automatic reset of the toggle rod after being pulled.

[0011] As a preferred technical solution of the utility model, a closing plate is rotatably connected to the machine body, and the closing plate is used to shield the rotating roller, thereby protecting the rotating roller.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a rack and a toothed bar, and the tube body is used to be plugged into the rotating roller. The electric push rod is started to push the toothed bar to move. Under the action of the gear, a pair of toothed bars move toward each other, thereby driving the docking tube to approach the end of the tube body and tightly contact with the sealing gasket. The connecting hose ensures the normal sliding of the docking tube, thereby facilitating the rapid docking and installation of the tube body, ensuring the normal passage of hydrogen during hydrogen purification, and avoiding leakage.

[0014] 2. The utility model provides a toggle plate, drying cotton and desiccant to dehydrate hydrogen. The molecular sieve can not only effectively remove excess water in the hydrogen, but also remove oxygen and other harmful impurities, thereby improving the purity of the hydrogen. When the tube body needs to be replaced, the toggle rod is pulled downward, and the push rod pushes the toggle plate through the push groove to rotate a tube body position, so that the new tube body moves to the middle of the air inlet and the air outlet, thereby facilitating the rapid replacement of the tube body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the push block part of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the push rod part of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the toggle plate part of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the gear part of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the air inlet part of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the rotating roller part of the utility model;

[0022] Figure 8 This is a schematic diagram of the structure of the connecting hose part of the utility model;

[0023] Fig. 9 It is a structural schematic diagram of the drying cotton part of the utility model.

[0024] In the figure: 1. body; 2. purification mechanism; 21. air inlet; 22. toggle assembly; 221. toggle rod; 222. push rod; 223. toggle plate; 224. first spring; 225. second spring; 226. push groove; 23. air outlet; 24. rotating roller; 25. tube body; 26. sealing gasket; 27. molecular sieve; 28. drying cotton; 29. ​​desiccant; 3. closing plate; 4. sealing mechanism; 41. pushing block; 42. electric push rod; 43. connecting hose; 44. docking tube; 45. rack; 46. gear. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-9 , the utility model provides a technical solution for a hydrogen purification device:

[0027] Embodiment 1:

[0028] according to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 and Fig. 9 As shown, a hydrogen purification device comprises a body 1, a purification mechanism 2 is connected to the body 1, the purification mechanism 2 comprises a rotating roller 24, the rotating roller 24 is rotatably connected inside the body 1, a plurality of tubes 25 are plugged on the rotating roller 24, an air inlet 21 and an air outlet 23 are respectively installed at the two ends of the body 1 located at the top of the rotating roller 24, the air inlet 21 and the air outlet 23 are used to communicate with the two ends of the tube 25, three layers of drying cotton 28 are installed inside the tube 25, a desiccant 29 is installed between a pair of drying cotton 28 close to the air inlet 21 end, and a multi-layer molecular sieve 27 is installed between a pair of drying cotton 28 close to the air outlet 23 end, so as to facilitate the purification of hydrogen, a toggle assembly 22 for toggling the rotating roller 24 is connected to the body 1, the toggle assembly 22 comprises a toggle disk 223, a toggle disk 223 is installed at one end of the rotating shaft of the rotating roller 24, and the body 1 is provided with a plurality of rotating parts. A toggle rod 221 is rotatably connected, and a push rod 222 is rotatably connected to the toggle rod 221. A push groove 226 corresponding to a plurality of tube bodies 25 is provided on the toggle disk 223. The push rod 222 contacts the toggle disk 223 through the push groove 226. A second spring 225 is installed between the push rod 222 and the toggle rod 221, so that when the toggle rod 221 is pulled, the toggle disk 223 is pushed to rotate, thereby driving the rotating roller 24 to rotate, thereby facilitating the switching of the tube body 25. The push groove 226 is in the shape of a right-angled triangle, and the hypotenuses of the plurality of push grooves 226 are arranged in the same clockwise direction. A first spring 224 is installed between the toggle rod 221 at one end away from the push rod 222 and the machine body 1, thereby facilitating the resetting of the toggle rod 221. A closing plate 3 is rotatably connected to the machine body 1, and the closing plate 3 is used to shield the rotating roller 24, thereby protecting the rotating roller 24.

[0029] During specific use, the hydrogen is dehydrated by the drying cotton 28 and the desiccant 29, and the molecular sieve 27 can not only effectively remove the excess water in the hydrogen, but also remove oxygen and other harmful impurities, thereby improving the purity of the hydrogen. When the tube body 25 needs to be replaced, the electric push rod 42 is controlled to move, so that the sealing gaskets 26 at both ends of the docking tube 44 are separated from the tube body 25, and the toggle rod 221 is pulled downward, the first spring 224 is elongated, and the push rod 222 pushes the toggle plate 223 to rotate a position of the tube body 25 through the push groove 226, and the second spring 225 is elongated, so that the new tube body 25 moves to the middle of the air inlet 21 and the air outlet 23, so that the docking tube 44 can be docked again to work, and the toggle rod 221 is released, and the toggle rod 221 and the push rod 222 are automatically reset, and the closing plate 3 is opened, and the tube body 25 can be taken out, thereby completing the quick replacement.

[0030] Embodiment 2:

[0031] On the basis of the first embodiment, Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 8 As shown, a sealing mechanism 4 is connected to the body 1, and the sealing mechanism 4 includes a pushing block 41. A docking tube 44 is installed at the air inlet 21 and the air outlet 23 of the body 1, respectively. The docking tube 44 is used to be sleeved and abutted with the end of the tube body 25. A pair of connecting hoses 43 are installed between the air outlet 23 and the air inlet 21, respectively. A gear 46 is rotatably connected to the body 1, and a rack 45 is installed on the docking tube 44. A pair of racks 45 are respectively engaged with the two ends of the gear 46. A driving component for driving the rack 45 to move is connected to the body 1, so as to facilitate the driving of the docking tube 44 and the tube body 25 to dock quickly. Sealing gaskets 26 are installed at both ends of the tube body 25, respectively, and the docking tube 44 is in close contact with the sealing gasket 26, so as to ensure the airtightness of the docking.

[0032] During specific use, the air inlet 21 is used to connect to the hydrogen input pipe, the air outlet 23 is used to connect to the hydrogen discharge pipe, the tube body 25 is used to be plugged into the rotating roller 24, the electric push rod 42 is started, the rack 45 is pushed to move, and under the action of the gear 46, a pair of racks 45 move toward each other, thereby driving the docking tube 44 to approach the end of the tube body 25 and tightly contact with the sealing gasket 26. The connecting hose 43 ensures the normal sliding of the docking tube 44, thereby facilitating the rapid docking and installation of the tube body 25, ensuring the normal passage of hydrogen during hydrogen purification, and avoiding leakage.

[0033] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydrogen purification device, comprising a body (1), to which a purification mechanism (2) is connected. Features: The purification mechanism (2) comprises a rotating roller (24), the rotating roller (24) is rotatably connected inside the body (1), a plurality of tubes (25) are plugged into the rotating roller (24), an air inlet (21) and an air outlet (23) are respectively installed at two ends of the top of the rotating roller (24) of the body (1), the air inlet (21) and the air outlet (23) are used to communicate with the two ends of the tube (25), three layers of drying cotton (28) are installed inside the tube (25), a desiccant (29) is installed between a pair of drying cotton (28) close to the air inlet (21), and a plurality of molecular sieves (27) are installed between a pair of drying cotton (28) close to the air outlet (23), and a toggle assembly (22) for toggle the rotating roller (24) is connected to the body (1); The machine body (1) is connected to a sealing mechanism (4), the sealing mechanism (4) comprising a pushing block (41), the machine body (1) is respectively provided with a docking tube (44) at the air inlet (21) and the air outlet (23), the docking tube (44) being used to be sleeved and abutted against the end of the tube body (25), a pair of the docking tubes (44) being respectively provided with a connecting hose (43) between the air outlet (23) and the air inlet (21), a gear (46) being rotatably connected to the machine body (1), a rack (45) being provided on the docking tube (44), the pair of the racks (45) being respectively meshed with the two ends of the gear (46), and a driving component for driving the racks (45) to move is connected to the machine body (1).

2. A hydrogen purification device according to claim 1, Features: Sealing pads (26) are respectively installed at both ends of the tube body (25), and the docking sleeve (44) is in tight contact with the sealing pads (26).

3. A hydrogen purification device according to claim 1, Features: The driving assembly comprises a pushing block (41), wherein one end of one of the racks (45) is mounted with the pushing block (41), an electric push rod (42) is mounted on the machine body (1), and an output end of the electric push rod (42) is mounted on the pushing block (41).

4. A hydrogen purification device according to claim 1, Features: The toggle assembly (22) comprises a toggle disk (223), one end of the rotating shaft of the rotating roller (24) is provided with the toggle disk (223), the body (1) is rotatably connected to a toggle rod (221), the toggle rod (221) is rotatably connected to a push rod (222), the toggle disk (223) is provided with push grooves (226) corresponding to the plurality of tubes (25), the push rod (222) contacts the toggle disk (223) via the push grooves (226), and a second spring (225) is installed between the push rod (222) and the toggle rod (221).

5. A hydrogen purification device according to claim 4, Features: The pushing groove (226) is in the shape of a right-angled triangle, and the oblique sides of the plurality of pushing grooves (226) are arranged in the same clockwise direction.

6. A hydrogen purification device according to claim 4, Features: A first spring (224) is installed between the end of the toggle rod (221) that is away from the push rod (222) and the machine body (1).

7. A hydrogen purification device according to claim 1, Features: A closing plate (3) is rotatably connected to the machine body (1), and the closing plate (3) is used to shield the rotating roller (24).

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