Multi-bin combined water electrolysis hydrogen production device and method

Abstract

The invention provides a multi-bin-body combined water electrolysis hydrogen production device and method.The multi-bin-body combined water electrolysis hydrogen production device comprises a first bin body, a second bin body, a third bin body and a fourth bin body, and the bin bodies are connected through pipelines; a water electrolysis device for electrolyzing water is arranged in the first bin body; the electrolyzed water device is connected with the condensing device in the second bin body through a pipeline and is used for gas-liquid separation; the gas outlet end of the condensing device is connected with a membrane treatment device arranged in the third bin body through a condensed gas conveying pipe and is used for separating oxygen from hydrogen; the membrane treatment device is connected with a gas drying device arranged in the fourth bin body; an outlet of the gas drying device is connected with a hydrogen output pipe and an oxygen output pipe. In addition, through layer-by-layer purification, the purity of the prepared hydrogen is greatly improved, in addition, the multiple bins are combined, all the parts are independent of one another, and maintenance and replacement are simpler and more convenient.

Description

Technical Field

[0001] The present invention relates to an electrolytic water hydrogen production device, in particular to a device for producing hydrogen by using alkaline electrolytic water hydrogen production technology, specifically a multi-chamber combined electrolytic water hydrogen production device and method. Background Art

[0002] Alkaline electrolytic water hydrogen production technology is one of the most mature technologies in the field of electrolytic water. Its basic principle is that after direct current is connected between two electrodes, electrons flow from the negative electrode of the power supply to the cathode, and water reacts with electrons at the cathode to generate hydrogen and hydroxide ions. To maintain charge balance, the hydroxide ions migrate from the cathode to the anode through the diaphragm, lose electrons at the anode to generate oxygen, and the released electrons then return to the positive electrode of the power supply to form a closed circuit.

[0003] As a green hydrogen production method, electrolytic water hydrogen production technology decomposes water molecules by electric energy to produce high-purity hydrogen. However, traditional electrolytic water devices generally have problems such as insufficient hydrogen purity, low energy efficiency, and complex maintenance. In the prior art, the single-chamber integrated design often leads to the coupling of gas purification steps, and it is difficult to completely remove residual impurities; the heat energy utilization rate in the condensation and drying links is low, and the electrolyte circulation efficiency is limited; moreover, the equipment structure is bulky, and the whole machine needs to be shut down for maintenance when a fault occurs, seriously affecting production efficiency. In addition, the strict requirements for hydrogen purity in industrial scenarios (such as fuel cells, semiconductor manufacturing) further highlight the deficiencies of the prior art. To address the above problems, there is an urgent need for an electrolytic water hydrogen production device that can achieve step-by-step purification, efficient heat energy recovery, and easy maintenance. Summary of the Invention

[0004] To solve the existing technical problems, the main object of the present invention is to provide a multi-chamber combined electrolytic water hydrogen production device and method. Through the multi-chamber modular design, the electrolysis, condensation, membrane separation, and drying processes are independent of different chambers. Combining the preheating of the electrolyte with the condensation waste heat, multi-stage gas shunt filtration, and modular quick-release structure, while improving the hydrogen purity, the energy utilization efficiency and equipment maintainability are significantly optimized, providing an innovative solution for large-scale and high-purity hydrogen energy preparation; in addition, through layer-by-layer purification, the purity of the produced hydrogen is greatly improved, and in addition, the multi-chamber combination, each part is independent, and the maintenance and replacement are more convenient.

[0005] To achieve the above technical features, the object of the present invention is realized as follows: A multi-chamber combined electrolytic water hydrogen production device includes a first chamber, a second chamber, a third chamber, and a fourth chamber, and the chambers are connected by pipelines; An electrolytic water device for electrolyzing water is provided in the first chamber; the electrolytic water device is connected to a condensation device inside the second chamber through a pipeline and is used for gas-liquid separation; The gas outlet end of the condensation device is connected to the membrane treatment device arranged inside the third chamber through a condensed gas delivery pipe and is used for the separation of oxygen and hydrogen; The membrane treatment device is connected to the gas drying device arranged inside the fourth chamber; The outlet of the gas drying device is connected to a hydrogen output pipe and an oxygen output pipe.

[0006] Preferably, the electrolytic water device includes a bipolar electrolytic cell arranged inside the first chamber, and an oxygen delivery pipe, a hydrogen delivery pipe, an electrolyte recovery pipe, and an electrolyte delivery pipe are connected to the bipolar electrolytic cell.

[0007] Preferably, the condensation device includes two air-cooled condensers arranged side by side inside the second chamber. The intake sides of the two air-cooled condensers are respectively communicated with the oxygen delivery pipe and the hydrogen delivery pipe of the electrolytic water device. The outlet side of the air-cooled condenser is connected to a gas-liquid separation pipe. The gas outlet end of the gas-liquid separation pipe is connected to the membrane treatment device inside the third chamber through a pipeline and is used for upward gas delivery. The liquid outlet end of the gas-liquid separation pipe is connected to a water tank. The water tank is connected to the bipolar electrolytic cell through an electrolyte recovery pipe and recovers the electrolyte downward.

[0008] Preferably, the water tank is installed in a groove below the air-cooled condenser. The water tank preheats the electrolyte through the heat dissipated by the radiator part in the air-cooled condenser, and the preheated electrolyte is backfed to the bipolar electrolytic cell through the electrolyte recovery pipe.

[0009] Preferably, an intelligent thermometer is installed on the outer wall of the water tank to monitor the temperature of the electrolyte inside the water tank; the water tank is provided with a pull-open door for viewing the intelligent thermometer and maintaining the equipment.

[0010] Preferably, the membrane treatment device includes a cylindrical storage rack I arranged inside the third chamber. A membrane treatment layer is placed inside the cylindrical storage rack I. The lower layer of the membrane treatment layer is connected to the gas-liquid separation pipe inside the second chamber through a pipeline; A circular first through hole is provided in the center of the third chamber to facilitate the connection of the pipeline to the expansion space of the lower layer of the membrane treatment layer. The diameter of the first through hole is smaller than the diameter of the cylindrical storage rack I. Then, the cylindrical storage rack I is placed at the bottom of the third chamber and is concentric with the first through hole; The cylindrical storage rack I is of a hollow structure. At the middle position, a hollowing-out treatment is performed according to the diameter of the membrane treatment layer to form a hollow area matching the membrane treatment layer, which is convenient for replacing and repairing in combination with the semi-circular handle of the membrane layer and the handle of the lower layer of the membrane treatment.

[0011] Preferably, the end of the pipeline for connecting between the chambers bifurcates into a central main pipe and six bifurcated pipes distributed in a surrounding manner, which is used for evenly distributing gas and preventing backflow.

[0012] Preferably, the gas drying device includes a cylindrical storage rack II disposed inside the fourth chamber. A drying layer is provided inside the cylindrical storage rack II. The upper interface of the drying layer is a tapered interface. The upper end of the tapered interface is connected to a hydrogen output pipe and an oxygen output pipe for gas transportation.

[0013] Preferably, the cylindrical storage rack II has a hollow structure. At the middle position, a hollowing process is performed according to the diameter of the drying layer to form a hollow area matching the drying layer, which is convenient for replacement and maintenance in combination with a semi-circular handle.

[0014] On the other hand, the present invention provides a method for producing hydrogen by using the electrolytic water hydrogen production device with the multi-chamber combination, including the following steps: Electrolysis of water: The electrolyte is electrolyzed by an electrolytic water device. During the electrolysis process, the generated hydrogen and oxygen are respectively transported to the condensation device inside the second chamber through a hydrogen transportation pipe and an oxygen transportation pipe. Gas-liquid separation of gas: The gas is transported to an air-cooled condenser through a hydrogen transportation pipe and an oxygen transportation pipe for gas-liquid separation. The water tank recovers the condensed liquid through a gas-liquid separation pipe. An integrated intelligent thermometer is installed outside the water tank to monitor the electrolyte temperature in real time. The water tank uses the waste heat of the radiator part in the condenser to preheat the electrolyte. The preheated electrolyte is back-fed to the bipolar electrolytic cell of the first chamber through an electrolyte recovery pipe, while the well-condensed gas is transported to the third chamber through a condensed gas transportation pipe. Separation of oxygen and hydrogen respectively: The condensed gas transportation pipe is connected to a cylindrical storage rack I through a bifurcated pipe. The inside of the cylindrical storage rack I is separated into a hydrogen treatment area and an oxygen treatment area by a vertical partition. The two areas are respectively filled with a hydrogen selective permeable membrane and an oxygen selective permeable membrane to respectively achieve the separation of hydrogen and oxygen. The hydrogen and oxygen separated through the membrane treatment layer are transported to the fourth chamber. Separate drying of oxygen and hydrogen: The cylindrical storage rack II, which is used to fix the drying layer, is internally separated into a hydrogen drying area and an oxygen drying area by a vertical partition. The two areas are respectively filled with a hydrogen desiccant and an oxygen desiccant. Then, a tapered inclined interface is provided at the top of the drying layer, and an external gas storage device is connected through a hydrogen transportation pipe and an oxygen transportation pipe.

[0015] The present invention has the following beneficial effects: 1. The hydrogen production device by electrolyzing water of the present invention adopts a multi-chamber combined design, separating the electrolysis, condensation, membrane separation and drying processes in different chambers, and combining the preheating of the electrolyte with the waste heat of condensation, multi-stage gas shunt filtration and modular quick-release structure, which not only improves the hydrogen purity, but also significantly optimizes the energy utilization efficiency and equipment maintainability, providing an innovative solution for large-scale and high-purity hydrogen energy preparation.

[0016] 2. The present invention utilizes the heat dissipated by the condenser to preheat the electrolyte, improving the electrolysis efficiency and saving energy.

[0017] 3. The modular design and reasonable pipeline layout of the present invention make the operation simple and space-saving, while being environmentally friendly and energy-saving, reducing the impact on the environment, and having a wide application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below in conjunction with the drawings and embodiments.

[0019] Figure 1 This is the front view of the present invention.

[0020] Figure 2 This is the three-dimensional structure schematic diagram of the first perspective inside the third chamber of the present invention.

[0021] Figure 3 This is the three-dimensional structure schematic diagram of the second perspective inside the third chamber of the present invention.

[0022] Figure 4 This is the three-dimensional structure schematic diagram of the first perspective inside the third chamber of the present invention.

[0023] Figure 5 This is the three-dimensional structure schematic diagram of the second perspective inside the third chamber of the present invention.

[0024] Figure 6 This is the three-dimensional structure schematic diagram of the third perspective inside the third chamber of the present invention.

[0025] Figure 7 This is the three-dimensional structure schematic diagram of the fourth perspective inside the third chamber of the present invention.

[0026] Figure 8 This is the three-dimensional structure schematic diagram of the first perspective inside the fourth chamber of the present invention.

[0027] Figure 9 This is the three-dimensional structure schematic diagram of the second perspective inside the fourth chamber of the present invention.

[0028] In the figure: 1. Bipolar electrolytic cell, 2. Electrolyte recovery pipe, 3. Electrolyte delivery pipe, 4. Hydrogen delivery pipe, 5. Oxygen delivery pipe, 6. Gas-liquid separation pipe, 7. Pull-out door of water tank, 8. Air-cooled condenser, 9. Cylindrical storage rack I, 10. Membrane treatment layer, 11. Cylindrical storage rack II, 12. Hydrogen output pipe, 13. Drying layer, 14. Oxygen output pipe, 15. Bifurcation pipe, 16. Semi-circular handle of membrane layer, 17. Lower handle of membrane treatment layer, 18. Water tank, 19. Intelligent thermometer, 20. Condensed gas delivery pipe, 21. Drafting-shaped interface, 22. Pipe. Detailed implementation mode

[0029] The following further describes the implementation mode of the present invention with reference to the attached drawings.

[0030] Example 1: See Figures 1-9 , an electrolytic water hydrogen production device with a multi-chamber combination, including a first chamber, a second chamber, a third chamber and a fourth chamber, and each chamber is connected by a pipe 22; an electrolytic water device for electrolyzing water is provided in the first chamber; the electrolytic water device is connected to a condensation device inside the second chamber through a pipe and is used for gas-liquid separation; the gas outlet end of the condensation device is connected to a membrane treatment device provided inside the third chamber through a condensed gas delivery pipe 20 and is used for separating oxygen and hydrogen; the membrane treatment device is connected to a gas drying device provided inside the fourth chamber; the outlets of the gas drying device are connected to a hydrogen output pipe 12 and an oxygen output pipe 14. Through the modular design of multiple chambers, the electrolysis, condensation, membrane separation and drying processes are independent of different chambers. Combining the condensation waste heat to preheat the electrolyte, multi-stage gas shunt filtration and modular quick-release structure, while improving the hydrogen purity, significantly optimizing the energy utilization efficiency and equipment maintainability, and providing an innovative solution for large-scale and high-purity hydrogen energy preparation.

[0031] Furthermore, the electrolytic water device includes a bipolar electrolytic cell 1 provided inside the first chamber, and an oxygen delivery pipe 5, a hydrogen delivery pipe 4, an electrolyte recovery pipe 2 and an electrolyte delivery pipe 3 are connected to the bipolar electrolytic cell 1. The bipolar electrolytic cell generates hydrogen and oxygen by electrolyzing water, and the oxygen and hydrogen enter the second chamber through the oxygen output pipe and the hydrogen output pipe respectively for condensation treatment. The electrolyte recovery and input pipes are used to recover and supplement the electrolyte to maintain the continuous progress of the electrolysis process.

[0032] Further, the condensation device includes two air-cooled condensers 8 installed side by side inside the second chamber. The intake sides of the two air-cooled condensers 8 are respectively connected to the oxygen delivery pipe 5 and the hydrogen delivery pipe 4 of the electrolyzed water device. The outlet side of the air-cooled condenser 8 is connected to the gas-liquid separation pipe 6. The outlet end of the gas-liquid separation pipe 6 is connected to the membrane treatment device inside the third chamber through a pipe and is used to convey gas upward. The liquid outlet end of the gas-liquid separation pipe 6 is connected to the water tank 18. The water tank 18 is connected to the bipolar electrolytic cell 1 through the electrolyte recovery pipe 2 and recovers the electrolyte downward. One of the air-cooled condensers 8 is used to condense the oxygen delivered by the oxygen output pipe, and the other is used to condense the hydrogen delivered by the hydrogen output pipe.

[0033] Further, the water tank 18 is installed in a groove below the air-cooled condenser 8. The water tank 18 preheats the electrolyte by the heat dissipated by the radiator part in the air-cooled condenser 8. The preheated electrolyte is backfed to the bipolar electrolytic cell 1 through the electrolyte recovery pipe 2. The heat dissipated by the radiator in the condenser is used to preheat the recovered electrolyte to reach the temperature required for the best reaction, improving the electrolytic hydrogen efficiency.

[0034] Further, an intelligent thermometer 19 is installed on the outer wall of the water tank 18 for monitoring the temperature of the electrolyte inside the water tank 18. The water tank 18 is provided with a water tank pull-open door 7 for checking the intelligent thermometer 19 and maintaining the equipment. Through the above intelligent thermometer 19, it is convenient to realize the automatic control of the subsequent electrolyte temperature and facilitate the realization of automated hydrogen production.

[0035] Further, the membrane treatment device includes a cylindrical storage rack one 9 arranged inside the third chamber. A membrane treatment layer 10 is placed inside the cylindrical storage rack one 9. The lower layer of the membrane treatment layer 10 is connected to the gas-liquid separation pipe 6 inside the second chamber through a pipe 22. The gas outlet at the upper end of the membrane treatment layer 10 is connected to a gas output pipe. The pipe between the third chamber and the second chamber is thickened and branches into multiple thin pipes at the upper end for transmission to the membrane treatment layer.

[0036] Further, a circular first through-hole is provided in the center of the third chamber to facilitate the connection of the pipe to the expanded space at the lower layer of the membrane treatment layer. The diameter of the first through-hole is smaller than the diameter of the cylindrical storage rack one 9. Then, the cylindrical storage rack one 9 is placed at the bottom of the third chamber and has a concentric positional relationship with the first through-hole; Further, the cylindrical storage rack one 9 is of a hollow structure. At the middle position, it is hollowed out according to the diameter of the membrane treatment layer 10 to form a hollow area matching the membrane treatment layer 10, facilitating the replacement and maintenance in combination with the membrane layer semi-circular handle 16 and the membrane treatment lower layer handle 17. The inside of the cylindrical storage rack one 9 is separated into a hydrogen treatment area and an oxygen treatment area by a vertical partition, and the two areas are respectively filled with a hydrogen selective permeable membrane and an oxygen selective permeable membrane.

[0037] Further, the end of the pipe 22 connecting the storage bodies bifurcates into a central main pipe and six bifurcated pipes 15 distributed in a surrounding manner, which is used to evenly distribute the gas and prevent backflow. By adopting thickened bifurcated pipes and modular design between the storage bodies, the end bifurcates into a "1 main + 6 auxiliary" structure to evenly distribute the air flow, and combined with the expanded space in the lower layer to extend the gas treatment time, effectively preventing backflow.

[0038] Further, the gas drying device includes a cylindrical storage rack two 11 arranged inside the fourth storage body. A drying layer 13 is arranged inside the cylindrical storage rack two 11. The upper interface of the drying layer 13 is a draft-shaped interface 21. The upper end of the draft-shaped interface 21 is connected to a hydrogen output pipe 12 and an oxygen output pipe 14 for gas transportation. The inclination of the draft-shaped interface 21 is set to 50°, which is used to reduce the gas transportation resistance.

[0039] Further, the cylindrical storage rack two 11 is of a hollow structure. At the middle position, a hollowing-out process is carried out according to the diameter of the drying layer 13 to form a hollow area matching the drying layer 13, which is convenient for replacement and maintenance in combination with a semi-circular handle. The inside of the cylindrical storage rack two 11 is separated into a hydrogen drying area and an oxygen drying area by a vertical partition, and the two areas are respectively filled with hydrogen desiccant and oxygen desiccant.

[0040] Embodiment 2: A bipolar electrolytic cell 1 is placed in the center of the first chamber. Among them, the hydrogen delivery pipe 4 and the oxygen delivery pipe 5 are respectively connected to the hydrogen channel hole and the oxygen channel hole to deliver the hydrogen and oxygen generated by electrolysis to the second chamber, and an electrolyte circulation system is formed through the electrolyte delivery pipe 3 and the electrolyte recovery pipe 2. Two air-cooled condensers 8 are arranged side by side in the second chamber, and are directly connected to the hydrogen delivery pipe 4 and the oxygen delivery pipe 5 of the first chamber through pipes respectively, for receiving the hydrogen and oxygen generated by electrolysis. There is a groove directly below the condenser 8, and a water tank 18 is placed in the groove. The water tank 18 recovers the condensed liquid through the gas-liquid separation pipe 6, and an integrated intelligent thermometer 19 is installed outside the water tank to monitor the electrolyte temperature in real time. The water tank uses the waste heat of the radiator part in the condenser to preheat the electrolyte, and the preheated electrolyte is returned to the first chamber through the electrolyte recovery pipe 2. The condensed gas is then delivered to the third chamber through the bifurcated pipe 15. The bifurcated pipe is a thickened gas delivery pipe, and the end of the pipe bifurcates into a central main pipe and six thin pipes surrounding it, so as to ensure that the gas evenly enters the lower expansion space of the membrane treatment layer 10, and the space is larger than the upper layer. And the lower expansion space is connected to the second chamber and the third chamber through the bifurcated pipe 15 to balance the gas pressure and prevent backflow. A cylindrical storage rack one 9 is provided at the bottom of the third chamber for placing the membrane treatment layer 10. Its interior is separated into a hydrogen treatment area and an oxygen treatment area by a vertical partition, and the two areas are respectively filled with a hydrogen selective permeable membrane and an oxygen selective permeable membrane; a semi-circular membrane treatment lower handle 17 is provided outside the membrane treatment layer 10 and a semi-circular handle of the membrane layer is configured at the edge of the lower expansion space, which is convenient for quickly disassembling and replacing the membrane module. The gas after membrane treatment is delivered to the fourth chamber through the bifurcated pipe 15. The end of the bifurcated pipe bifurcates into a central main pipe and six thin pipes, so that the gas evenly enters the lower expansion space of the drying layer 13. A cylindrical storage rack two 11 is provided in the fourth chamber for fixing the drying layer 13. Its interior is separated into a hydrogen drying area and an oxygen drying area by a vertical partition, and the two areas are respectively filled with a hydrogen desiccant and an oxygen desiccant; a tapered inclined interface 21 is provided at the top of the drying layer 13, and is connected to an external gas storage device through the hydrogen delivery pipe 12 and the oxygen delivery pipe 14. The pipes between the chambers adopt a modular design, and the joints are equipped with detachable flanges for easy maintenance. The overall structure is compact and the functional areas are clearly defined. The device realizes efficient separation and purification of hydrogen and oxygen through heat energy recovery, intelligent temperature control and multi-chamber multi-stage treatment, and finally outputs high-purity gas to meet the needs of industrial preparation.

[0041] Example 3: The present invention provides a method for producing hydrogen by using the electrolytic water hydrogen production device with the above-mentioned multi-chamber combination, including the following steps: Electrolysis of water: The electrolyte is electrolyzed by an electrolytic water device, and the hydrogen and oxygen generated during the electrolysis process will be respectively delivered to the condensation device inside the second chamber through the hydrogen delivery pipe 4 and the oxygen delivery pipe 5; Gas-liquid separation of gas The gas is transported to the air-cooled condenser 8 through the hydrogen delivery pipe 4 and the oxygen delivery pipe 5 for gas-liquid separation. The water tank 18 recovers the condensed liquid through the gas-liquid separation pipe 6. An integrated intelligent thermometer 19 is installed outside the water tank 18 to monitor the electrolyte temperature in real time. The water tank uses the waste heat of the radiator part in the condenser to preheat the electrolyte. The preheated electrolyte is transported back to the bipolar electrolytic cell 1 in the first chamber through the electrolyte recovery pipe 2, while the condensed gas is transported to the third chamber through the condensed gas delivery pipe 20; Separation of oxygen and hydrogen respectively The condensed gas delivery pipe 20 is connected to the cylindrical storage rack 9 through the bifurcated pipe 15. The inside of the cylindrical storage rack 9 is divided into a hydrogen treatment area and an oxygen treatment area by a vertical partition. The two areas are respectively filled with a hydrogen selective permeable membrane and an oxygen selective permeable membrane to separately achieve the separation of hydrogen and oxygen; After being separated by the membrane treatment layer 10, the hydrogen and oxygen will be transported to the fourth chamber; Separate drying of oxygen and hydrogen The cylindrical storage rack 11 is used to fix the drying layer 13. The inside is divided into a hydrogen drying area and an oxygen drying area by a vertical partition. The two areas are respectively filled with a hydrogen desiccant and an oxygen desiccant. Then, a draft-shaped inclined surface interface 21 is provided at the top of the drying layer 13 and is connected to an external gas storage device through the hydrogen delivery pipe 12 and the oxygen delivery pipe 14.

Claims

1. A multi-chamber combination water electrolysis hydrogen production device, characterized in that: It comprises a first bin body, a second bin body, a third bin body and a fourth bin body, and the bin bodies are connected by pipelines (22); The first bin is provided with a water electrolysis device for electrolyzing water; the water electrolysis device is connected to a condensation device in the second bin through a pipeline and is used for gas-liquid separation; The gas outlet end of the condensing device is connected to a membrane treatment device arranged inside the third bin body through a condensing gas delivery pipe (20) and is used for separating oxygen and hydrogen; The membrane treatment device is connected to a gas drying device arranged inside the fourth bin; The outlet of the gas drying device is connected to a hydrogen output pipe (12) and an oxygen output pipe (14).

2. A multi-chamber combination water electrolysis hydrogen production device according to claim 1, characterized in that: The water electrolysis device comprises a bipolar electrolytic cell (1) arranged inside a first chamber, the bipolar electrolytic cell (1) being connected to an oxygen delivery pipe (5), a hydrogen delivery pipe (4), an electrolyte recovery pipe (2) and an electrolyte delivery pipe (3).

3. A multi-chamber combination water electrolysis hydrogen production device according to claim 2, characterized in that: The condensing device comprises two air-cooled condensers (8) installed side by side inside the second bin, the air inlet sides of the two air-cooled condensers (8) are respectively connected to the oxygen delivery pipe (5) and the hydrogen delivery pipe (4) of the water electrolysis device, the air outlet sides of the air-cooled condensers (8) are connected to the gas-liquid separation pipe (6), the gas outlet end of the gas-liquid separation pipe (6) is connected to the membrane treatment device inside the third bin through a pipeline and is used to transport gas upward, the liquid outlet end of the gas-liquid separation pipe (6) is connected to the water tank (18), and the water tank (18) is connected to the bipolar electrolyzer (1) through the electrolyte recovery pipe (2) and recovers electrolyte downward.

4. A multi-chamber combination water electrolysis hydrogen production device according to claim 3, characterized in that: The water tank (18) is installed in a groove below the air-cooled condenser (8). The water tank (18) preheats the electrolyte through the heat dissipated by the radiator part in the air-cooled condenser (8). The preheated electrolyte is returned to the bipolar electrolytic cell (1) through the electrolyte recovery pipe (2).

5. The multi-chamber combination water electrolysis hydrogen production device according to claim 4, characterized in that: An intelligent thermometer (19) is installed on the outer wall of the water tank (18) for monitoring the temperature of the electrolyte inside the water tank (18); the water tank (18) is provided with an openable door (7) for viewing the intelligent thermometer (19) and maintenance equipment.

6. The multi-chamber combination water electrolysis hydrogen production device according to claim 5, characterized in that: The membrane treatment device comprises a cylindrical rack (9) arranged inside the third bin body, a membrane treatment layer (10) is placed inside the cylindrical rack (9), and the lower layer of the membrane treatment layer (10) is connected to the gas-liquid separation pipe (6) inside the second bin body through a pipeline (22); A first circular through hole is provided in the center of the third bin body to facilitate the connection between the pipeline and the expansion space of the lower layer of the membrane treatment layer. The diameter of the first through hole is smaller than the diameter of the circular storage rack (9). Then the circular storage rack (9) is placed at the bottom of the third bin body and is concentric with the first through hole. The circular storage rack (9) is a hollow structure. In the middle, it is hollowed out according to the diameter of the membrane treatment layer (10) to form a hollow area that matches the membrane treatment layer (10), so as to facilitate replacement and maintenance by combining the membrane layer semicircular handle (16) and the membrane treatment lower layer handle (17).

7. The multi-chamber combination water electrolysis hydrogen production device according to claim 6, characterized in that: The end of the pipe (22) used to connect the bins is bifurcated into a central main pipe and six surrounding bifurcated pipes (15) for evenly distributing the gas and preventing backflow.

8. The multi-chamber combination water electrolysis hydrogen production device according to claim 7, characterized in that: The gas drying device comprises a second cylindrical storage rack (11) arranged inside the fourth chamber body, a drying layer (13) is arranged inside the second cylindrical storage rack (11), an upper interface of the drying layer (13) is a draft-shaped interface (21), and the upper end of the draft-shaped interface (21) is connected to a hydrogen output pipe (12) and an oxygen output pipe (14) to transport gas.

9. The multi-chamber combination water electrolysis hydrogen production device according to claim 8, characterized in that: The cylindrical storage rack (11) is a hollow structure. The middle part is hollowed out according to the diameter of the drying layer (13) to form a hollow area matching the drying layer (13), which is convenient for replacement and maintenance in combination with a semicircular handle.

10. A method for producing hydrogen using a multi-chamber combination water electrolysis hydrogen production device as described in any one of claims 7 to 9, characterized in that: The following steps are involved: Electrolysis of water: The electrolyte is electrolyzed by a water electrolysis device, and the hydrogen and oxygen generated during the electrolysis process are transported to a condensation device inside the second chamber through a hydrogen transport pipe (4) and an oxygen transport pipe (5) respectively; Gas-liquid separation: The gas is transported to the air-cooled condenser (8) through the hydrogen transport pipe (4) and the oxygen transport pipe (5) for gas-liquid separation. The water tank (18) recovers the condensed liquid through the gas-liquid separation pipe (6). An integrated intelligent thermometer (19) is installed outside the water tank (18) to monitor the electrolyte temperature in real time. The water tank uses the waste heat of the radiator part in the condenser to preheat the electrolyte. The preheated electrolyte is returned to the bipolar electrolytic cell (1) of the first compartment through the electrolyte recovery pipe (2), and the condensed gas is transported to the third compartment through the condensed gas transport pipe (20); Separation of oxygen and hydrogen: The condensed gas delivery pipe (20) is connected to the cylindrical rack (9) via a bifurcated pipe (15); the interior of the cylindrical rack (9) is divided into a hydrogen processing area and an oxygen processing area by a vertical partition; the two areas are respectively filled with a hydrogen selective permeable membrane and an oxygen selective permeable membrane to achieve separation of hydrogen and oxygen; the hydrogen and oxygen separated by the membrane processing layer (10) are transported to the fourth chamber; Separate drying of oxygen and hydrogen: The cylindrical storage rack (11) is used to fix the drying layer (13), and is divided into a hydrogen drying area and an oxygen drying area by a vertical partition. The two areas are filled with hydrogen desiccant and oxygen desiccant respectively. A draft-shaped inclined interface (21) is provided on the top of the drying layer (13), and an external gas storage device is connected through a hydrogen delivery pipe (12) and an oxygen delivery pipe (14).

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