Electrolytic tank for producing hydrogen through water electrolysis

Abstract

The invention discloses a water electrolysis hydrogen production electrolytic bath, and relates to the field of electrolytic baths, the water electrolysis hydrogen production electrolytic bath comprises a shell, one end of the interior of the shell is fixedly connected with a first mounting plate, an electrode electrolysis assembly is fixedly mounted at the center of one side of the first mounting plate, and the other end of the interior of the shell is provided with a second mounting plate; and the other electrode electrolysis assembly is fixedly mounted at the center of one side of the second mounting plate, a diaphragm assembly is arranged between the two electrode electrolysis assemblies, the diaphragm assembly is arranged in the middle of the shell, and a plurality of cooling grooves are formed in the outer side of the shell. According to the invention, a semiconductor chilling plate in the semiconductor cooling assembly works to start refrigeration, heat of the electrolyte is transmitted to a refrigeration layer of the semiconductor chilling plate through a heat conduction copper plate in the cooling tank, so that the purpose of cooling is achieved, the temperature of the electrolyte is maintained above or below the standard temperature, the performance of the electrolyte is stabilized, and the electrode reaction process is optimized; and the generation rates of hydrogen and oxygen are stable.

Description

Technical Field

[0001] The invention relates to the technical field of electrolyzers, in particular to an electrolyzer for producing hydrogen by electrolyzing water. Background Art

[0002] The electrolyzer for hydrogen production by water electrolysis is a device that electrolyzes water into hydrogen and oxygen. Its basic principle is based on the electrolysis reaction. Under the action of direct current, water molecules undergo redox reactions on the electrode surface. At the anode, water molecules lose electrons and are oxidized to generate oxygen and hydrogen ions; at the cathode, hydrogen ions gain electrons and are reduced to generate hydrogen.

[0003] For example, a water electrolysis hydrogen production electrolyzer with Chinese patent number: CN218291138U belongs to the technical field of electrolyzers; it includes an electrolyzer body, and the electrolyzer body is movably connected with a plurality of electrolyzer units, and connecting blocks are respectively provided on both sides of the electrolyzer units, and fixed blocks are respectively provided on both sides of the electrolyzer body, and a card slot is provided above the fixed block, and a card block matching the card slot is provided at the bottom of the connecting block, and a groove is provided on one side of the card block, and the groove is slidably connected to a limit block, and a first spring is provided inside the groove, and a groove is penetrated at one end of the limit block and provided with an inclined surface, and a limit groove connected to the card slot is provided on one side of the fixed block, and a top column is slidably connected to the limit groove, and a limit groove is penetrated at one end of the top column and extends to the outside to be connected with a pressing plate, and a second spring is provided between the pressing plate and the fixed block, and a guide mechanism is provided between the top column and the limit groove.

[0004] When existing water electrolysis hydrogen production electrolyzers electrolyze water, they generate a certain amount of heat, which causes the electrolyte temperature to rise, resulting in enhanced electrolyte conductivity, which in turn makes the local current density too large, causing uneven reactions on the electrode surface, and may even aggravate the polarization of the electrode. Summary of the invention

[0005] The object of the present invention is to provide a water electrolysis hydrogen production electrolytic cell to solve the problem that the existing water electrolysis hydrogen production electrolytic cell proposed in the above background technology generates a certain amount of heat when electrolyzing water, causing the electrolyte temperature to rise, resulting in enhanced electrolyte conductivity, and then making the local current density too large, causing uneven reaction on the electrode surface, and may even cause the polarization phenomenon of the electrode to be aggravated.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a water electrolysis hydrogen production electrolyzer, comprising a shell, one end of the shell is fixedly connected to a first mounting plate, an electrode electrolysis assembly is fixedly installed at the center of one side of the first mounting plate, a second mounting plate is arranged at the other end of the shell, another electrode electrolysis assembly is fixedly installed at the center of one side of the second mounting plate, a diaphragm assembly is arranged between the two electrode electrolysis assemblies, the diaphragm assembly is arranged in the middle of the shell, a plurality of cooling grooves are opened on the outside of the shell, a heat-conducting copper plate is fixedly installed inside the cooling groove, a semiconductor cooling assembly is attached to one side of the heat-conducting copper plate, the semiconductor cooling assembly comprises an installation bin, a semiconductor cooling sheet and a heat dissipation fan, the semiconductor cooling sheet is fixedly installed on one side of the installation bin, the heat dissipation fan is fixedly installed on the other side of the installation bin, the cooling surface of the semiconductor cooling sheet is attached to one side of the heat-conducting copper plate, the heat dissipation surface of the semiconductor cooling sheet is directly opposite to the air outlet of the heat dissipation fan, and a plurality of heat dissipation outlets are evenly opened on both sides of the installation bin.

[0007] Preferably, the electrode electrolysis assembly includes a power supply base, an electrode sheet and a gasket, wherein the gasket is fixedly mounted on one end of the power supply base, the electrode sheet is electrically connected to the power supply base, and the electrode sheet is disposed inside the gasket.

[0008] Preferably, a plurality of No. 1 positioning holes are arranged in a circular manner inside the No. 1 mounting plate, and a No. 1 positioning screw is movably penetrated inside the plurality of No. 1 positioning holes.

[0009] Preferably, the interior of the No. 2 mounting plate is provided with a plurality of No. 2 positioning holes in a circular arrangement, one end of a plurality of the No. 1 positioning screws are movable through the interior of the No. 2 positioning holes, and one end of a plurality of the No. 1 positioning screws are threadedly connected with positioning nuts.

[0010] Preferably, a sealing ring is fixedly connected to one side of the second mounting plate, and the sealing ring is arranged on the outside of another electrode electrolysis assembly.

[0011] Preferably, a mounting slot is provided on the outer side of the sealing ring, and a sealing ring is movably engaged inside the mounting slot.

[0012] Preferably, the sealing ring is made of perfluoroether rubber.

[0013] Preferably, the No. 1 positioning screw is a hollow tube, and a plurality of through holes are opened on the outer side of the No. 1 positioning screw, and the through holes are used to fix the rope.

[0014] Preferably, one side of the No. 1 mounting plate and the No. 2 mounting plate are respectively fixedly connected with a gas outlet pipe and an electrolyte inlet pipe, and one end of the No. 1 mounting plate and the No. 2 mounting plate is fixedly installed with a support base.

[0015] Preferably, the diaphragm assembly includes a mounting ring and a diaphragm body, the diaphragm body is fixedly mounted inside the mounting ring, the interior of the outer shell is fixedly connected to a limit stop ring, one side of the limit stop ring is fixedly connected to a plurality of No. 2 positioning screws in a circular arrangement, the interior of the mounting ring is provided with a plurality of No. 3 positioning holes in a circular arrangement, a plurality of the No. 2 positioning screws are respectively movable through the interior of the No. 3 positioning holes, and one end of a plurality of the No. 2 positioning screws is threadedly connected to a positioning nut.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, the semiconductor refrigeration plate in the semiconductor cooling component starts to cool, and the heat of the electrolyte is transferred to the cooling layer of the semiconductor refrigeration plate through the heat-conducting copper plate inside the cooling tank, thereby achieving the purpose of cooling, ensuring that the temperature of the electrolyte is maintained around the standard temperature, stabilizing the performance of the electrolyte, and optimizing the electrode reaction process to stabilize the generation rate of hydrogen and oxygen.

[0018] 2. In the present invention, the positioning nut at one end of the No. 1 positioning screw is rotated to remove, the No. 2 mounting plate is removed, and then the positioning nut at one end of the No. 1 positioning screw is rotated to remove, the mounting ring is removed, the diaphragm body is replaced, and the interior of the water electrolysis hydrogen production electrolyzer is cleaned to remove impurities remaining after the electrolysis reaction is completed, thereby extending the service life of the water electrolysis hydrogen production electrolyzer.

[0019] 3. In the present invention, the sealing ring on one side of the No. 2 mounting plate will fit inside one end of the outer shell, and the sealing ring on the sealing ring will resist the gap between the No. 2 mounting plate and the outer shell to prevent the electrolyte from flowing out from the inside of the water electrolysis hydrogen production electrolyzer through the gap, thereby improving the stability of the water electrolysis hydrogen production electrolyzer in electrolyzing water. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of an electrolytic cell for producing hydrogen by water electrolysis according to the present invention;

[0021] Figure 2 A schematic diagram of the connection relationship between a semiconductor cooling component and a housing in a water electrolysis hydrogen production electrolyzer of the present invention;

[0022] Figure 3 It is a structural schematic diagram of a semiconductor cooling component in a water electrolysis hydrogen production electrolyzer of the present invention;

[0023] Figure 4 This is a schematic diagram of the internal structure of an electrolytic cell for producing hydrogen by water electrolysis according to the present invention;

[0024] Figure 5 This is a schematic structural diagram of a diaphragm assembly in an electrolyzer for producing hydrogen by water electrolysis according to the present invention;

[0025] Figure 6 A schematic diagram of the connection relationship between the second mounting plate and the electrode electrolysis assembly in a water electrolysis hydrogen production electrolyzer of the present invention;

[0026] Figure 7 The present invention is a schematic diagram of the connection relationship between the second mounting plate and the sealing ring in a water electrolysis hydrogen production electrolyzer.

[0027] In the figure: 1. Shell; 11. Mounting plate No. 1; 111. Positioning hole No. 1; 112. Positioning screw No. 1; 113. Through hole; 12. Cooling groove; 121. Heat-conducting copper plate; 13. Gas outlet pipe; 14. Electrolyte inlet pipe; 15. Limiting ring; 151. Positioning screw No. 2; 2. Electrode electrolysis assembly; 21. Power supply base; 22. Electrode sheet; 23. Gasket; 3. Mounting plate No. 2; 31. Positioning hole No. 2; 32. Sealing ring; 321. Mounting slot; 322. Sealing ring; 4. Diaphragm assembly; 41. Mounting ring; 411. Positioning hole No. 3; 42. Diaphragm body; 5. Semiconductor cooling assembly; 51. Mounting compartment; 511. Heat dissipation port; 52. Semiconductor cooling sheet; 53. Cooling fan; 6. Support base. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example 1: Reference Figure 1 - Figure 6As shown: a water electrolysis hydrogen production electrolyzer, including a shell 1, one end of the shell 1 is fixedly connected to a first mounting plate 11, an electrode electrolysis assembly 2 is fixedly installed at the center of one side of the first mounting plate 11, the other end of the shell 1 is provided with a second mounting plate 3, another electrode electrolysis assembly 2 is fixedly installed at the center of one side of the second mounting plate 3, a diaphragm assembly 4 is provided between the two electrode electrolysis assemblies 2, the diaphragm assembly 4 is provided in the middle of the shell 1, a plurality of cooling grooves 12 are provided on the outside of the shell 1, a heat-conducting copper plate 121 is fixedly installed inside the cooling groove 12, a semiconductor cooling assembly 5 is attached to one side of the heat-conducting copper plate 121, and the semiconductor cooling assembly 5 includes an installation The mounting bin 51, the semiconductor cooling sheet 52 and the cooling fan 53, the semiconductor cooling sheet 52 is fixedly mounted on one side of the mounting bin 51, the cooling fan 53 is fixedly mounted on the other side of the mounting bin 51, the cooling surface of the semiconductor cooling sheet 52 is attached to one side of the heat-conducting copper plate 121, the heat dissipation surface of the semiconductor cooling sheet 52 is facing the air outlet of the cooling fan 53, and a plurality of heat dissipation outlets 511 are evenly opened on both sides of the mounting bin 51, the electrode electrolysis assembly 2 includes a power supply base 21, an electrode sheet 22 and a gasket 23, the gasket 23 is fixedly mounted on one end of the power supply base 21, the electrode sheet 22 is electrically connected to the power supply base 21, and the electrode sheet 22 is arranged inside the gasket 23.

[0030] In this embodiment, when the temperature of the electrolyte exceeds the standard temperature, the semiconductor refrigeration plate 52 in the semiconductor cooling component 5 starts to cool, and the heat of the electrolyte is transferred to the cooling layer of the semiconductor refrigeration plate 52 through the heat-conducting copper plate 121 inside the cooling tank 12, so as to achieve the purpose of cooling, ensure that the temperature of the electrolyte is maintained around the standard temperature, stabilize the performance of the electrolyte, and optimize the electrode reaction process, so that the generation rate of hydrogen and oxygen is stable; at the same time, the heat dissipation fan 53 works to blow the outside air to the heat dissipation layer of the semiconductor refrigeration plate 52 for efficient heat dissipation, and the hot air is blown into the external environment through the heat dissipation port 511; when the water electrolysis hydrogen production electrolytic cell starts to electrolyze water, the electric energy is introduced into the interior of the electrode plate 22 through the power supply base 21, and the water molecules on the outside of the electrode plate 22 are electrolyzed.

[0031] Embodiment 2: Figure 1 - Figure 7As shown, a water electrolysis hydrogen production electrolyzer includes a shell 1, one end of the shell 1 is fixedly connected to a first mounting plate 11, an electrode electrolysis assembly 2 is fixedly installed at the center of one side of the first mounting plate 11, the other end of the shell 1 is provided with a second mounting plate 3, another electrode electrolysis assembly 2 is fixedly installed at the center of one side of the second mounting plate 3, a diaphragm assembly 4 is provided between the two electrode electrolysis assemblies 2, the diaphragm assembly 4 is provided in the middle of the shell 1, a plurality of cooling grooves 12 are opened on the outside of the shell 1, a heat-conducting copper plate 121 is fixedly installed inside the cooling groove 12, and the heat-conducting copper plate 121 is fixedly installed inside the cooling groove 12. A semiconductor cooling component 5 is attached to one side of the plate 121. The semiconductor cooling component 5 includes a mounting chamber 51, a semiconductor cooling sheet 52 and a cooling fan 53. The semiconductor cooling sheet 52 is fixedly installed on one side of the mounting chamber 51, and the cooling fan 53 is fixedly installed on the other side of the mounting chamber 51. The cooling surface of the semiconductor cooling sheet 52 is attached to one side of the heat-conducting copper plate 121, and the cooling surface of the semiconductor cooling sheet 52 faces the air outlet of the cooling fan 53. A plurality of cooling ports 511 are evenly opened on both sides of the mounting chamber 51. The interior of the first mounting plate 11 is opened in a circular arrangement. There are a plurality of No. 1 positioning holes 111, and a plurality of No. 1 positioning screws 112 are movably penetrated inside the plurality of No. 1 positioning holes 111, and a plurality of No. 2 positioning holes 31 are arranged in a circular manner inside the No. 2 mounting plate 3, and one end of a plurality of No. 1 positioning screws 112 are movably penetrated inside the plurality of No. 2 positioning holes 31, and one end of a plurality of No. 1 positioning screws 112 is threadedly connected with a positioning nut, and one side of the No. 1 mounting plate 11 and the No. 2 mounting plate 3 are respectively fixedly connected with a gas outlet pipe 13 and an electrolyte inlet pipe 14, and one side of the No. 1 mounting plate 11 and the No. 2 mounting plate 3 is connected with a gas outlet pipe 13 and an electrolyte inlet pipe 14. A supporting base 6 is fixedly installed at the end, and the diaphragm assembly 4 includes a mounting ring 41 and a diaphragm body 42. The diaphragm body 42 is fixedly installed inside the mounting ring 41. A limit stop ring 15 is fixedly connected to the inside of the shell 1. A plurality of No. 2 positioning screws 151 are fixedly connected to one side of the limit stop ring 15 in a circular arrangement. A plurality of No. 3 positioning holes 411 are opened in a circular arrangement inside the mounting ring 41. The plurality of No. 2 positioning screws 151 are respectively movable and penetrate the interior of the No. 3 positioning holes 411, and one end of the plurality of No. 2 positioning screws 151 is threadedly connected to the positioning nut.

[0032] In this embodiment, when the water electrolysis hydrogen production electrolyzer needs to be repaired, the positioning nut at one end of the No. 1 positioning screw 112 is rotated to remove, the No. 2 mounting plate 3 is removed, and then the positioning nut at one end of the No. 1 positioning screw 112 is rotated to remove, the mounting ring 41 is removed, the diaphragm body 42 is replaced, and the interior of the water electrolysis hydrogen production electrolyzer is cleaned to remove impurities remaining after the electrolysis reaction is completed, thereby extending the service life of the water electrolysis hydrogen production electrolyzer.

[0033] Embodiment 3: According to Figure 1 - Figure 7As shown, a water electrolysis hydrogen production electrolyzer includes a shell 1, one end of the shell 1 is fixedly connected to a first mounting plate 11, an electrode electrolysis assembly 2 is fixedly installed at the center of one side of the first mounting plate 11, the other end of the shell 1 is provided with a second mounting plate 3, another electrode electrolysis assembly 2 is fixedly installed at the center of one side of the second mounting plate 3, a diaphragm assembly 4 is provided between the two electrode electrolysis assemblies 2, the diaphragm assembly 4 is provided in the middle of the shell 1, a plurality of cooling grooves 12 are opened on the outside of the shell 1, a heat-conducting copper plate 121 is fixedly installed inside the cooling groove 12, a semiconductor cooling assembly 5 is attached to one side of the heat-conducting copper plate 121, the semiconductor cooling assembly 5 includes a mounting chamber 51, a semiconductor cooling sheet 52 and a heat dissipation fan 53, the semiconductor cooling sheet 52 is fixedly installed on one side of the mounting chamber 51, the heat dissipation fan 53 is fixedly installed on the other side of the mounting chamber 51, the cooling surface of the semiconductor cooling sheet 52 is attached to one side of the heat-conducting copper plate 121, and the heat dissipation surface of the semiconductor cooling sheet 52 is directly opposite to the heat dissipation surface. The air outlet of the fan 53, the two sides of the mounting chamber 51 are evenly provided with a plurality of heat dissipation ports 511, the interior of the No. 1 mounting plate 11 is provided with a plurality of No. 1 positioning holes 111 in a circular arrangement, and the interiors of the plurality of No. 1 positioning holes 111 are movably penetrated with a No. 1 positioning screw 112, the interior of the No. 2 mounting plate 3 is provided with a plurality of No. 2 positioning holes 31 in a circular arrangement, and one end of the plurality of No. 1 positioning screws 112 is movably penetrated with the interiors of the No. 2 positioning holes 31, and the plurality of No. 1 positioning screws 112 are respectively movably penetrated with the interiors of the No. 2 positioning holes 31. One end of the screw 112 is threadedly connected to a positioning nut, and a sealing ring 32 is fixedly connected to one side of the No. 2 mounting plate 3. The sealing ring 32 is arranged on the outside of another electrode electrolysis component 2. A mounting slot 321 is provided on the outside of the sealing ring 32. A sealing ring 322 is movably connected inside the mounting slot 321. The sealing ring 322 is made of perfluoroether rubber. The No. 1 positioning screw 112 is a hollow tube. A plurality of through holes 113 are provided on the outside of the No. 1 positioning screw 112. The through holes 113 are used to fix the rope.

[0034] In this embodiment, when assembling the water electrolysis hydrogen production electrolyzer, the sealing ring 32 on one side of the second mounting plate 3 will fit inside one end of the shell 1, and the sealing ring 322 on the sealing ring 32 will resist the gap between the second mounting plate 3 and the shell 1, preventing the electrolyte from flowing out from the inside of the water electrolysis hydrogen production electrolyzer through the gap, thereby improving the stability of the water electrolysis hydrogen production electrolyzer; the sealing ring 322 is made of perfluoroether rubber, which has excellent chemical stability. It can resist the erosion of strong alkali, strong acid and various organic solvents, and the molecular chain is not easily destroyed even in extreme chemical environments, so that the sealing ring 322 can maintain a good sealing state for a long time in a strong alkaline environment, preventing the trace leakage of the electrolyte from affecting production.

[0035] The use method and working principle of the device are as follows: when the temperature of the electrolyte exceeds the standard temperature, the semiconductor cooling plate 52 in the semiconductor cooling component 5 starts to work and start cooling, and the heat of the electrolyte is transferred to the cooling layer of the semiconductor cooling plate 52 through the heat-conducting copper plate 121 inside the cooling tank 12, thereby achieving the purpose of cooling; at the same time, the heat dissipation fan 53 works to blow the outside air to the heat dissipation layer of the semiconductor cooling plate 52 for efficient heat dissipation, and the hot air is blown to the outside environment through the heat dissipation port 511; when the water electrolysis hydrogen production electrolytic cell starts to electrolyze water, the electric energy is introduced into the inside of the electrode plate 22 through the power supply base 21, and the electrode The water molecules on the outside of the sheet 22 are electrolyzed; when the water electrolysis hydrogen production electrolyzer needs to be repaired, the positioning nut at one end of the No. 1 positioning screw 112 is rotated to remove, the No. 2 mounting plate 3 is removed, and then the positioning nut at one end of the No. 1 positioning screw 112 is rotated to remove, the mounting ring 41 is removed, the diaphragm body 42 is replaced, and the interior of the water electrolysis hydrogen production electrolyzer is cleaned to remove impurities remaining after the electrolysis reaction is completed; when the water electrolysis hydrogen production electrolyzer is assembled, the sealing ring 32 on one side of the No. 2 mounting plate 3 will fit inside one end of the outer shell 1, and the sealing ring 322 on the sealing ring 32 will resist the gap between the No. 2 mounting plate 3 and the outer shell 1.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water electrolysis hydrogen production electrolyzer, comprising a housing (1), characterized in that: One end of the shell (1) is fixedly connected to a first mounting plate (11), an electrode electrolysis assembly (2) is fixedly mounted at the center of one side of the first mounting plate (11), a second mounting plate (3) is provided at the other end of the shell (1), another electrode electrolysis assembly (2) is fixedly mounted at the center of one side of the second mounting plate (3), a diaphragm assembly (4) is provided between the two electrode electrolysis assemblies (2), the diaphragm assembly (4) is provided in the middle of the shell (1), a plurality of cooling grooves (12) are provided on the outside of the shell (1), a heat-conducting copper plate (121) is fixedly mounted inside the cooling groove (12), and the A semiconductor cooling component (5) is attached to one side of the heat-conducting copper plate (121), and the semiconductor cooling component (5) comprises an installation bin (51), a semiconductor cooling sheet (52) and a heat dissipation fan (53). The semiconductor cooling sheet (52) is fixedly installed on one side inside the installation bin (51), and the heat dissipation fan (53) is fixedly installed on the other side inside the installation bin (51). The cooling surface of the semiconductor cooling sheet (52) is attached to one side of the heat-conducting copper plate (121), and the heat dissipation surface of the semiconductor cooling sheet (52) faces the air outlet of the heat dissipation fan (53). A plurality of heat dissipation outlets (511) are evenly arranged on both sides of the installation bin (51).

2. The electrolytic cell for producing hydrogen by water electrolysis according to claim 1, characterized in that: The electrode electrolysis assembly (2) comprises a power supply base (21), an electrode sheet (22) and a gasket (23); the gasket (23) is fixedly mounted on one end of the power supply base (21); the electrode sheet (22) is electrically connected to the power supply base (21); and the electrode sheet (22) is arranged inside the gasket (23).

3. The electrolytic cell for producing hydrogen by water electrolysis according to claim 1, characterized in that: The interior of the No. 1 mounting plate (11) is provided with a plurality of No. 1 positioning holes (111) in a circular arrangement, and a No. 1 positioning screw (112) is movably penetrated inside the plurality of No. 1 positioning holes (111).

4. The electrolytic cell for producing hydrogen by water electrolysis according to claim 3, characterized in that: The interior of the No. 2 mounting plate (3) is provided with a plurality of No. 2 positioning holes (31) in a circular arrangement, one end of a plurality of No. 1 positioning screws (112) are movably inserted into the interior of the No. 2 positioning holes (31), and one end of a plurality of No. 1 positioning screws (112) are threadedly connected with positioning nuts.

5. The electrolytic cell for producing hydrogen by water electrolysis according to claim 4, characterized in that: A sealing ring (32) is fixedly connected to one side of the second mounting plate (3), and the sealing ring (32) is arranged on the outside of another electrode electrolysis assembly (2).

6. The electrolytic cell for producing hydrogen by water electrolysis according to claim 5, characterized in that: An installation slot (321) is provided on the outer side of the sealing ring (32), and a sealing ring (322) is movably engaged inside the installation slot (321).

7. The electrolytic cell for producing hydrogen by water electrolysis according to claim 6, characterized in that: The sealing ring (322) is made of perfluoroether rubber.

8. The electrolytic cell for producing hydrogen by water electrolysis according to claim 3, characterized in that: The No. 1 positioning screw (112) is a hollow tube, and a plurality of through holes (113) are provided on the outer side of the No. 1 positioning screw (112), and the through holes (113) are used to fix ropes.

9. The electrolytic cell for producing hydrogen by water electrolysis according to claim 1, characterized in that: One side of the first mounting plate (11) and the second mounting plate (3) are respectively fixedly connected with a gas outlet pipe (13) and an electrolyte inlet pipe (14), and one end of the first mounting plate (11) and the second mounting plate (3) are fixedly mounted with a support base (6).

10. The water electrolysis hydrogen production electrolyzer according to claim 1, characterized in that: The diaphragm assembly (4) comprises a mounting ring (41) and a diaphragm body (42), wherein the diaphragm body (42) is fixedly mounted inside the mounting ring (41), and a limit stop ring (15) is fixedly connected inside the housing (1), and a plurality of No. 2 positioning screws (151) are fixedly connected to one side of the limit stop ring (15) in a circular arrangement, and a plurality of No. 3 positioning holes (411) are opened inside the mounting ring (41) in a circular arrangement, and a plurality of No. 2 positioning screws (151) are respectively movable and penetrate the interior of the No. 3 positioning holes (411), and one end of a plurality of No. 2 positioning screws (151) is threadedly connected to a positioning nut.

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