CN219824374U - Double-chamber alkaline electrolytic tank clamping device - Google Patents

Abstract

The utility model provides a double-chamber alkaline electrolytic cell clamping device, and relates to the technical field of electrolytic cells. The device comprises a first fixing unit, a first flow channel unit, a first sealing gasket, an ionic membrane, a second sealing gasket, a second flow channel unit, a second fixing unit and a connecting unit, wherein the first fixing unit, the first flow channel unit, the first sealing gasket, the second flow channel unit and the second fixing unit are sequentially and detachably connected through the connecting unit, a first opening for placing a negative electrode is formed in the first sealing gasket, a second opening for placing a positive electrode is formed in the second sealing gasket, the ionic membrane is clamped between the first sealing gasket and the second sealing gasket, researchers can replace electrodes with different sizes or thicknesses, the flexibility and the high efficiency of experiments are improved, the experimental cost is reduced, the device integrally forms a modularized multistage sealing clamping structure, the sealing performance of an internal electrolytic chamber is effectively increased, and no leakage of internal electrolyte under the temperature and pressure changes is ensured.

Description

Double-chamber alkaline electrolytic tank clamping device

Technical Field

The utility model relates to the technical field of electrolytic tanks, in particular to a double-chamber alkaline electrolytic tank clamping device.

Background

Hydrogen energy is regarded as the most ideal energy carrier because of its advantages of clean, pollution-free, high efficiency, storability and transportation. The green hydrogen preparation technology is widely paid attention to, and the water electrolysis hydrogen production by utilizing renewable energy sources is the process with the lowest carbon emission in numerous hydrogen source schemes at present. The electro-catalyst activity is improved, the bipolar plate surface treatment process is improved, the structure of the electrolytic cell is optimized, the performance of the electrolytic cell is improved, and the equipment cost is reduced; the ion exchange membrane water electrolysis hydrogen production technology has high running current density, low energy consumption and high hydrogen production pressure, is suitable for the fluctuation characteristic of renewable energy power generation, is easy to combine with renewable energy consumption, and is a suitable scheme for water electrolysis hydrogen production.

The present inventors found that there are at least the following technical problems in the prior art: the effective area of the electrode of the electrolytic cell is fixed in the existing electrolytic cell device on the market, if the electrolytic efficiency of the electrode with different sizes, different flow channels or different materials is to be researched, different electrolytic cells are purchased, the cost is very high, in addition, most of the existing electrolytic cells are sealed by adopting single-stage sealing rings, and the phenomenon of liquid leakage is easy to occur under the change of temperature and pressure.

Disclosure of Invention

The utility model aims to provide a double-chamber alkaline electrolytic tank clamping device, which solves the technical problems that in the prior art, the electrolytic tank is relatively fixed in form, different electrodes are not easy to study, the sealing is poor, and liquid leakage is easy to occur. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a two room alkaline electrolyzer clamping device, includes first fixed unit, first flow path unit, first sealed pad, ion membrane, second sealed pad, second flow path unit, second fixed unit and connecting unit, first fixed unit first flow path unit first sealed pad second flow path unit with second fixed unit passes through the connecting unit is in the same place detachable in order, first trompil that supplies the negative electrode to place has been seted up on the first sealed pad, second trompil that supplies the positive electrode to place has been seted up on the second sealed pad, the ion membrane centre gripping is in first sealed pad with between the sealed pad of second.

Preferably, the connecting unit comprises a locking screw and a positioning column, the first fixing unit, the first sealing gasket, the second sealing gasket and the second fixing unit are sequentially connected together through a plurality of locking screws, and the positioning column sequentially penetrates through the first flow channel unit, the first sealing gasket, the second sealing gasket and the second flow channel unit and is connected to the first fixing unit and the second fixing unit.

Preferably, the first fixing unit comprises a first fixing piece, the second fixing unit comprises a second fixing piece, and connecting holes for the locking screws and the positioning columns to penetrate through are formed in the first fixing piece and the second fixing piece.

Preferably, the first fixing unit comprises a first fixing piece, the second fixing unit comprises a visual window and a window fixing piece, connecting holes for the locking screws and the positioning columns to penetrate through are formed in the first fixing piece and the window fixing piece, and mounting grooves for placing the visual window are formed in the window fixing piece.

Preferably, the first flow channel unit includes a first insulating heat conducting plate, a cathode flow channel plate and a cathode socket, two sides of the first insulating heat conducting plate are respectively contacted with the first fixing unit and the cathode flow channel plate, one side of the cathode flow channel plate away from the first insulating heat conducting plate is provided with a cathode flow channel and contacted with the first sealing pad and the cathode, and the cathode socket is connected to the cathode flow channel plate.

Preferably, the second flow channel unit includes a second insulating heat conducting plate, an anode flow channel plate and a positive electrode socket, two sides of the second insulating heat conducting plate are respectively contacted with the second fixing unit and the anode flow channel plate, one side of the anode flow channel plate away from the second insulating heat conducting plate is provided with an anode flow channel and is contacted with the second sealing pad and the positive electrode, and the positive electrode socket is connected to the anode flow channel plate.

Preferably, a first accommodating groove is formed in one side, close to the first sealing pad, of the cathode runner plate, a first sealing strip is placed in the first accommodating groove, a second accommodating groove is formed in one side, close to the second sealing pad, of the anode runner plate, a second sealing strip is placed in the second accommodating groove, and the first sealing strip and the second sealing strip are arranged in a relatively staggered mode.

Preferably, the device further comprises a temperature control unit, wherein the temperature control unit is connected to the first fixing unit and the second fixing unit.

Preferably, the temperature control unit comprises a radiator, thermocouples and a semiconductor refrigerating sheet, the semiconductor refrigerating sheet is connected with the outer side of the first fixing unit through a fixing frame, the radiator is connected with the outer side of the first fixing unit, and the two thermocouples are respectively connected to the first fixing unit and the second fixing unit.

Preferably, the radiator further comprises supporting feet, one ends of the supporting feet are connected with the first fixing units, and the distance between the other ends of the supporting feet and the first fixing units is larger than the distance between the outermost side of the radiator and the first fixing units.

The beneficial effects of the utility model are as follows: the whole connected mode that adopts of two rooms alkaline electrolyzer clamping device, make things convenient for the researcher to change not unidimensional electrode at will under current experimental conditions, perhaps change the electrode of different material thickness to the first sealed pad of different forms and second sealed pad of targeted change, with the experimental study of carrying out different forms, improved flexibility and the high efficiency of experiment greatly, reduced the experiment cost, formed modular multistage sealed clamping structure simultaneously, effectively increased the leakproofness of inside electrolysis room, guaranteed that inside electrolyte does not leak under temperature and pressure variation.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a general block diagram of the present utility model without a visualization window;

FIG. 2 is an exploded view of the present utility model without a visualization window;

FIG. 3 is a general block diagram of a visual window of the present utility model;

FIG. 4 is an exploded view of the present utility model with a visual window;

in the figure 1, a first fixing unit; 11. a first fixing member;

2. a first flow path unit; 21. a first insulating heat conductive plate; 22. a cathode flow channel plate; 23. a negative electrode socket; 24. a first sealing strip;

31. a first gasket; 311. a first opening; 32. an ionic membrane; 33. a second gasket; 331. a second opening;

4. a second flow path unit; 41. a second insulating heat conductive plate; 42. an anode runner plate; 43. a positive electrode socket; 44. a second sealing strip;

5. a second fixing unit; 51. a second fixing member; 52. a visual window; 53. a window mount;

6. a connection unit; 61. locking a screw; 62. positioning columns;

71. a negative electrode; 72. a positive electrode;

8. a temperature control unit; 81. a heat sink; 82. a thermocouple; 83. a semiconductor refrigeration sheet; 831. a fixing frame;

91. supporting feet; 92. a quick connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

In the description of the present utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1 are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present utility model provides a double-chamber alkaline electrolyzer clamping device comprising a first stationary unit 1, a first flow channel unit 2, a first gasket 31, an ion membrane 32, a second gasket 33, a second flow channel unit 4, a second stationary unit 5 and a connecting unit 6;

the first fixing unit 1, the first flow channel unit 2, the first sealing gasket 31, the second sealing gasket 33, the second flow channel unit 4 and the second fixing unit 5 are sequentially and detachably connected together through the connecting unit 6, and as the whole adopts a detachable connection mode, different first flow channel units 2, different first sealing gaskets 31, different second sealing gaskets 33 and different second flow channel units 4 can be flexibly replaced according to actual use needs to form a modularized multi-stage sealing clamping structure;

the first sealing gasket 31 is provided with the first opening 311 for placing the negative electrode 71, the second sealing gasket 33 is provided with the second opening 331 for placing the positive electrode 72, and the experimental efficiency of researching different electrodes is improved by changing the first sealing gasket 31 with different opening sizes or thicknesses and the second sealing gasket 33 with different opening sizes and thicknesses to adapt to the negative electrode 71 and the positive electrode 72 with different materials and sizes, and meanwhile, the experimental cost is reduced;

the negative electrode 71 and the positive electrode 72 are reaction electrodes, which are relatively conventional in the prior art, and in this embodiment, the negative electrode 71 and the positive electrode 72 can be flexibly selected and matched, so that reaction researches can be performed on the reaction electrodes with different materials and different sizes;

the first sealing gasket 31 and the second sealing gasket 33 are made of silica gel, the ion membrane 32 is tightly clamped between the first sealing gasket 31 and the second sealing gasket 33, and the first sealing gasket 31, the second sealing gasket 33 and the ion membrane 32 divide the inner space into two chambers to form primary sealing;

the first fixing unit 1 and the second fixing unit 5 can improve the overall strength, play a role in fixing and bearing the whole machine, and the first fixing unit 1 and the second fixing unit 5 are connected with two quick connectors 92 for circulating electrolyte;

the whole connected mode that adopts of two rooms alkaline electrolyzer clamping device, make things convenient for the researcher to change the electrode of equidimension at will under current experimental conditions, perhaps change the electrode of different material thickness to the first sealed pad 31 of different forms and second sealed pad 33 of targeted change, with the experimental study of carrying out different forms, improved experimental flexibility and high efficiency greatly, reduced the experiment cost, formed the multistage sealed clamping structure of modularization simultaneously, effectively increased the leakproofness of inside electrolysis room, guaranteed that inside electrolyte does not leak under temperature and pressure variation.

As an alternative embodiment, the connection unit 6 includes a locking screw 61 and a positioning post 62, the locking screw 61 plays a role of locking and fixing integrally, and the first fixing unit 1, the first sealing gasket 31, the second sealing gasket 33 and the second fixing unit 5 are sequentially connected together by a plurality of locking screws 61;

the positioning column 62 plays a role in positioning, the first flow channel unit 2, the first sealing gasket 31, the second sealing gasket 33 and the second flow channel unit 4 are provided with corresponding hole sites, the number of the positioning columns is a plurality of, the plurality of positioning columns 62 sequentially penetrate through the corresponding hole sites of the first flow channel unit 2, the first sealing gasket 31, the second sealing gasket 33 and the second flow channel unit 4 and are connected to the first fixing unit 1 and the second fixing unit 5, and the positioning columns 62 can effectively prevent dislocation during assembly.

As an alternative embodiment, referring to fig. 1 and 2, the first fixing unit 1 includes a first fixing member 11, the second fixing unit 5 includes a second fixing member 51, and connection holes through which the locking screw 61 and the positioning column 62 pass are formed in each of the first fixing member 11 and the second fixing member 51;

it is noted that, the second fixing unit 5 has a structural form except the structural form of the second fixing piece 51, referring to fig. 3 and 4, the second fixing unit 5 includes a visual window 52 and a window fixing piece 53, the first fixing piece 11 and the window fixing piece 53 are both provided with connection holes for the locking screw 61 and the positioning column 62 to pass through, the window fixing piece 53 is provided with a mounting groove for the visual window 52 to be placed, the visual window 52 is placed in the mounting groove and is clamped in the middle by the window fixing piece 53 and the second flow channel unit 4, so that a good fixing effect is achieved, the visual window 52 has the visual characteristic, and the convenience of observing and the contrast experiment research of researchers on the internal electrolysis chamber are greatly improved;

because the whole connection mode of detachable connection is adopted for the double-chamber alkaline electrolytic tank clamping device, the visual window 52, the visual window fixing piece 53 and the invisible second fixing piece 51 can be interchanged to form modularized interchange combination, visual and invisible experimental study can be rapidly realized, researchers can flexibly select according to actual use requirements, the flexibility and the high efficiency of experiments are greatly improved, and the experimental cost is reduced.

As an alternative embodiment, the first flow path unit 2 includes a first insulating heat conductive plate 21, a cathode flow path plate 22, and a cathode socket 23, both sides of the first insulating heat conductive plate 21 are respectively in contact with the first fixing unit 1 and the cathode flow path plate 22, one side of the cathode flow path plate 22 away from the first insulating heat conductive plate 21 is provided with a cathode flow path and is in contact with the first sealing gasket 31 and the cathode electrode 71, and the cathode socket 23 is connected to the cathode flow path plate 22;

the second flow path unit 4 includes a second insulating heat conductive plate 41, an anode flow path plate 42, and a positive electrode socket 43, both sides of the second insulating heat conductive plate 41 are respectively in contact with the second fixing unit 5 and the anode flow path plate 42, one side of the anode flow path plate 42 away from the second insulating heat conductive plate 41 is provided with an anode flow path and is in contact with the second sealing pad 33 and the positive electrode 72, and the positive electrode socket 43 is connected to the anode flow path plate 42;

in the prior art, the electrodes of the electrolytic tank are mostly directly connected with the upper and lower fixing plates, so that short circuit or leakage is easy to occur, and meanwhile, the voltage difference between the input end voltage and the voltage of the reaction electrode end is large, so that in the embodiment, the positive electrode 72 is directly connected with the anode runner plate 42 by directly contacting and connecting the negative electrode 71 with the cathode runner plate 22, the potential difference of a reaction area is effectively reduced, the electrolytic characteristic of low-voltage heavy current is realized, the generation of electrolytic byproducts is reduced, and meanwhile, the electrolytic efficiency is improved.

In this embodiment, the cathode runner plate 22 and the anode runner plate 42 can be directly replaced, so that the research on different influences of different size runners and different types of runners on the reaction is satisfied, the experimental efficiency of researching different electrodes is improved, and meanwhile, the experimental cost is reduced;

aiming at the problem that most of the electrolytic cells in the prior art have heat aggregation under the working condition of high current density, in the embodiment, the back surface of the cathode runner plate 22 is tightly attached to the first insulating heat-conducting plate 21, the back surface of the anode runner plate 42 is tightly attached to the second insulating heat-conducting plate 41, and the first insulating heat-conducting plate 21 and the second insulating heat-conducting plate 41 ensure that the heat generated in the electrolytic cells can be quickly transferred without aggregation under the working condition of high temperature and high current density, and meanwhile, the electrode insulation function is also realized, so that the short circuit phenomenon during use is prevented;

the negative electrode socket 23 and the positive electrode socket 43 are both preferably rubber sockets, and are preferably made by adopting a gold plating process, so that the external power supply is ensured to be quickly and conveniently connected, and the contact resistance is small.

As an alternative embodiment, the first accommodation groove is formed on one side of the cathode runner plate 22 close to the first sealing gasket 31, the first sealing strip 24 is placed in the first accommodation groove, the first accommodation groove is preferably annular so that the first sealing strip 24 is annular, the second accommodation groove is formed on one side of the anode runner plate 42 close to the second sealing gasket 33, the second sealing strip 44 is placed in the second accommodation groove, the second accommodation groove is preferably annular so that the second sealing strip 44 is annular, the first sealing strip 24 and the second sealing strip 44 are arranged in a staggered manner relatively, namely, the annular size of the first sealing strip 24 is larger than the annular size of the second sealing strip 44, when the cathode runner plate 22, the first sealing gasket 31, the second sealing gasket 33 and the anode runner plate 42 are clamped together, the first sealing strip 24 and the second sealing strip 44 which are arranged in a staggered manner can be mutually compressed to form a larger compression force, the second sealing is formed, the second sealing is matched with the first sealing and clamping structure, the larger bearing capacity of the internal cavity is ensured, the sealing performance of the internal electrolytic chamber is effectively increased, and no leakage of internal electrolyte under the conditions of temperature and pressure is ensured.

As an alternative implementation manner, aiming at the problem that most of the electrolytic tanks in the prior art have no temperature control function, the double-chamber alkaline electrolytic tank clamping device provided by the embodiment further comprises a temperature control unit 8, wherein the temperature control unit 8 is connected to the first fixing unit 1 and the second fixing unit 5, and the temperature control function can be realized through the temperature control unit 8, and the two functions of cooling or heat dissipation can also be realized, so that the two heat management of heating or cooling can be realized, and the double-chamber alkaline electrolytic tank clamping device is used for experimental study at different temperatures.

As an alternative embodiment, the temperature control unit 8 includes a radiator 81, a thermocouple 82 and a semiconductor refrigerating piece 83, the semiconductor refrigerating piece 83 is connected with the outer side of the first fixing unit 1 through a fixing frame 831, and the connection is preferably a bolt connection, so that the disassembly and assembly are more convenient and quick, the semiconductor refrigerating piece 83 has dual functions of refrigerating and heating, and after the semiconductor refrigerating piece 83 is opened, refrigerating operation or heating operation can be performed;

the radiator 81 is connected with the outer side of the first fixing unit 1, the connection is preferably bolt connection, bolts are used for connection at four corners, so that the disassembly and assembly are more convenient and quicker, the radiator 81 can better regulate and control the temperature, and the temperature control effect is realized;

the two thermocouples 82 are respectively connected to the first fixing unit 1 and the second fixing unit 5, the two thermocouples 82 can be used for monitoring the temperature, and the connection is preferably detachable connection, so that the disassembly and the assembly are convenient;

because the whole double-chamber alkaline electrolytic tank clamping device adopts a modularized connection mode, whether the radiator 81 or the semiconductor refrigerating piece 83 is installed or not can be selected according to experimental requirements, and the influence of different temperatures on an electrolytic experiment can be studied.

As an alternative embodiment, still include supporting legs 91, the one end of a plurality of supporting legs 91 is connected with first fixed unit 1, in this embodiment, the quantity of supporting legs 91 is preferably four, is located four corners respectively, and supporting legs 91 is convenient for two room alkaline electrolyzer clamping device's whole level to place, plays the supporting role, and the distance between the other end of supporting legs 91 and first fixed unit 1 is greater than the distance between the outermost side of radiator 81 and first fixed unit 1 to make the outermost side of radiator 81 have certain heat dissipation space, promote the radiating effect.

The double-chamber alkaline electrolytic tank clamping device has the characteristics of small size, low voltage, high current density and large hydrogen production, and improves the technical indexes such as universality, compatibility, tightness, temperature control and the like of the structure through optimizing and innovating the whole structure of the electrolytic tankCan improve the innovative research of electrode material technology related to the hydrogen production by water electrolysis, improve the hydrogen production efficiency of the hydrogen production by water electrolysis of the whole electrolytic tank, and can be used for electrocatalytic reduction of CO ₂ And the research on hydrogen production by electrolysis of methanol aqueous solution, electrocatalytic synthesis and the like.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a two room alkaline electrolyzer clamping device, its characterized in that, including first fixed unit (1), first flow path unit (2), first sealed pad (31), ion membrane (32), second sealed pad (33), second flow path unit (4), second fixed unit (5) and connecting unit (6), first fixed unit (1) first flow path unit (2) first sealed pad (31) second sealed pad (33) second flow path unit (4) with second fixed unit (5) pass through connecting unit (6) can dismantle in order and link together, offer first trompil (311) that supply negative electrode (71) to place on first sealed pad (31), offer second trompil (331) that supply positive electrode (72) to place on second sealed pad (33), ion membrane (32) centre gripping first sealed pad (31) with between second sealed pad (33).

2. The double-chamber alkaline electrolyzer clamping device according to claim 1 characterized in that the connecting unit (6) comprises a locking screw (61) and a positioning column (62), the first fixing unit (1), the first sealing gasket (31), the second sealing gasket (33) and the second fixing unit (5) are sequentially connected together by a plurality of the locking screws (61), and the positioning column (62) sequentially penetrates from the first flow channel unit (2), the first sealing gasket (31), the second sealing gasket (33) and the second flow channel unit (4) and is connected to the first fixing unit (1) and the second fixing unit (5).

3. The double-chamber alkaline electrolytic cell clamping device according to claim 2, wherein the first fixing unit (1) comprises a first fixing piece (11), the second fixing unit (5) comprises a second fixing piece (51), and connecting holes for the locking screws (61) and the positioning columns (62) to penetrate are formed in the first fixing piece (11) and the second fixing piece (51).

4. The double-chamber alkaline electrolytic cell clamping device according to claim 2, wherein the first fixing unit (1) comprises a first fixing piece (11), the second fixing unit (5) comprises a visual window (52) and a window fixing piece (53), connecting holes for the locking screws (61) and the positioning columns (62) to penetrate through are formed in the first fixing piece (11) and the window fixing piece (53), and mounting grooves for the visual window (52) to be placed are formed in the window fixing piece (53).

5. The double-chamber alkaline electrolyzer holding device according to claim 1 characterized in that the first flow channel unit (2) comprises a first insulating heat conducting plate (21), a cathode flow channel plate (22) and a cathode socket (23), both sides of the first insulating heat conducting plate (21) are respectively contacted with the first fixing unit (1) and the cathode flow channel plate (22), the side of the cathode flow channel plate (22) away from the first insulating heat conducting plate (21) is provided with a cathode flow channel and contacted with the first sealing gasket (31) and the cathode electrode (71), and the cathode socket (23) is connected on the cathode flow channel plate (22).

6. The double-chamber alkaline electrolyzer holding device of claim 5 characterized in that the second flow channel unit (4) comprises a second insulating heat conducting plate (41), an anode flow channel plate (42) and a positive electrode socket (43), both sides of the second insulating heat conducting plate (41) are respectively contacted with the second fixing unit (5) and the anode flow channel plate (42), the side of the anode flow channel plate (42) away from the second insulating heat conducting plate (41) is provided with an anode flow channel and contacted with the second sealing gasket (33) and the positive electrode (72), and the positive electrode socket (43) is connected on the anode flow channel plate (42).

7. The double-chamber alkaline electrolytic cell clamping device according to claim 6, wherein a first accommodating groove is formed in one side, close to the first sealing gasket (31), of the cathode runner plate (22), a first sealing strip (24) is placed in the first accommodating groove, a second accommodating groove is formed in one side, close to the second sealing gasket (33), of the anode runner plate (42), a second sealing strip (44) is placed in the second accommodating groove, and the first sealing strip (24) and the second sealing strip (44) are arranged in a relatively staggered mode.

8. The double chamber alkaline cell clamping device according to claim 1, further comprising a temperature control unit (8), said temperature control unit (8) being connected to said first fixing unit (1) and said second fixing unit (5).

9. The double-chamber alkaline electrolytic cell clamping device according to claim 8, wherein the temperature control unit (8) comprises a radiator (81), thermocouples (82) and semiconductor refrigerating sheets (83), the semiconductor refrigerating sheets (83) are connected with the outer side of the first fixing unit (1) through fixing frames (831), the radiator (81) is connected with the outer side of the first fixing unit (1), and two thermocouples (82) are respectively connected with the first fixing unit (1) and the second fixing unit (5).

10. The double-chamber alkaline electrolytic cell clamping device according to claim 9, further comprising supporting feet (91), wherein one ends of a plurality of the supporting feet (91) are connected with the first fixing unit (1), and the distance between the other ends of the supporting feet (91) and the first fixing unit (1) is larger than the distance between the outermost side of the radiator (81) and the first fixing unit (1).