Energy storage coupling renewable energy water electrolysis hydrogen production integrated device

Abstract

The utility model provides an energy storage coupling renewable energy source electrolyzed water hydrogen production integrated device, relates to the technical field of electrolyzed water hydrogen production, and comprises an electrolyzed water tank, a cathode structure and a hydrogen compression pump, the left part of the electrolyzed water tank is provided with a left cavity, the right part of the electrolyzed water tank is provided with a right cavity, the cathode structure is erected on a left bracket, and the hydrogen compression pump is arranged on the right bracket. An anode structure is erected on the right support, an electrolysis connecting line is arranged between the upper end of the cathode structure and the upper end of the anode structure, a base is arranged at the bottom of the electrolysis water tank, and a hydrogen compression pump is fixed to the left side of the upper end face of the base. Electrolyzed water can be conveniently and rapidly conveyed into the left cavity and the right cavity of the electrolytic bath at the same time, multiple plates are adopted in the cathode and anode structures to stretch into the electrolyzed water for electrolysis, more hydrogen and oxygen can be generated through electrolysis, the preparation efficiency is higher, independent conveying, compression and maintenance are facilitated, rapid pollution discharge of electrolytic wastewater is facilitated, and the service life of the electrolytic bath is prolonged. The device is more efficient, convenient and practical.

Description

Technical Field

[0001] This utility model relates to the field of water electrolysis for hydrogen production technology, specifically to an integrated device for water electrolysis for hydrogen production coupled with energy storage and renewable energy. Background Technology

[0002] The working principle of a water electrolysis hydrogen production device is to decompose water into hydrogen and oxygen through electrolysis. Specifically, a direct current is passed through an electrolytic cell filled with potassium hydroxide or sodium hydroxide. Water molecules undergo an electrochemical reaction at the electrodes, decomposing into hydrogen and oxygen.

[0003] The description of an integrated photovoltaic water electrolysis hydrogen production device (publication number CN118461028A) mentions that it "includes a reaction box, several bolts evenly distributed on the side wall of the reaction box, a sealing cover hinged to the side of the reaction box, a sealing gasket set at the lower end of the sealing cover, the reaction box is divided into a cathode chamber and an anode chamber by a partition in the middle, a sealing membrane is provided outside the partition, a single-junction perovskite solar cell is fixedly installed outside the reaction box, an electrocatalyst and its carrier material are fixedly installed inside the cathode chamber and the anode chamber, wire connection holes are set at the top of the cathode chamber and the top of the anode chamber, and gas exhaust holes and liquid filling holes are provided on the side of the cathode chamber and the side of the anode chamber." However, the efficiency of gas production in the electrolysis of water in the prior art is low, and the transportation and sewage discharge of the electrolyzed water are not convenient and time-saving, making it inefficient and time-consuming to use. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, an integrated device for hydrogen production by electrolysis of water coupled with energy storage and renewable energy is provided. This device addresses the problems of low efficiency in producing gas from water electrolysis, inconvenient transportation and wastewater discharge, and inefficient use of existing technologies.

[0005] To achieve the above objectives, an integrated energy storage coupled with renewable energy electrolysis water production hydrogen production device is provided, comprising an electrolysis tank, a cathode structure, and a hydrogen compression pump. The electrolysis tank has a left cavity on its left side and a right cavity on its right side. A partition is fixed between the left and right cavities, and a left support is fixed to the lower left side of the partition, while a right support is fixed to the lower right side of the partition. The cathode structure is mounted on the left support, and the anode structure is mounted on the right support. An electrolysis connection line is provided between the upper ends of the cathode and anode structures. A base is provided at the bottom of the electrolysis tank, and a hydrogen compression pump is fixed to the left side of the upper end face of the base, while an oxygen compression pump is fixed to the right side of the upper end face of the base.

[0006] Furthermore, the partition has an opening in the middle, and a diaphragm is installed inside the opening. Additionally, drain pipes are installed on the lower part of the front sides of both the left and right sides of the electrolytic water tank.

[0007] Furthermore, a first liquid level sensor and a second liquid level sensor are provided on the left side wall of the electrolytic water tank, and a left cover plate is placed on the top of the left cavity, and a right cover plate is placed on the top of the right cavity.

[0008] Furthermore, a first gas outlet is provided on the left side of the upper end face of the left cover plate, and a left connecting pipe is connected to the hydrogen compression pump. The other end of the left connecting pipe is connected to the first gas outlet. Multiple sets of perforations are opened in the middle of the left cover plate, and an electrolyte inlet is provided on the right side of the upper end face of the left cover plate.

[0009] Furthermore, a second air outlet is provided on the right side of the upper end face of the right cover plate, and a right connecting pipe is connected to the upper part of the oxygen compressor pump. The other end of the right connecting pipe is connected to the second air outlet, and the left cover plate and the right cover plate are symmetrical about the center line of the electrolysis tank.

[0010] Furthermore, the upper end of the cathode structure is provided with a connecting end, and three sets of plates are provided below the cathode structure. Three sets of ceramic slots are provided on the upper side of the left support. The lower end of each set of plates is located in a corresponding set of ceramic slots. The cathode structure and the anode structure, as well as the left support and the right support, are symmetrical about the center line of the partition.

[0011] Furthermore, the electrolytic connection line is connected to an energy storage coupled renewable energy power source, and the left claw at the left end of the electrolytic connection line clamps the connection end on the cathode structure, while the right claw at the right end of the electrolytic connection line clamps the connection end on the right cover plate.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. The left and right cover plates in this utility model are designed to tightly cover the hydrogen and oxygen produced during the electrolysis of water, allowing the two gases to be transported out separately, facilitating the preparation of hydrogen and making the process more convenient and time-saving.

[0014] 2. This utility model facilitates the delivery of hydrogen generated from water electrolysis in the left chamber to the hydrogen compression pump through the connection between the first air outlet and the left connecting pipe, while simultaneously delivering oxygen generated from water electrolysis in the right chamber to the oxygen compression pump. This compression and maintenance method saves space and is stable and reliable.

[0015] 3. In this utility model, both the cathode and anode structures adopt a lower three-plate structure. Both the cathode and anode structures have more plates extending into the electrolyzed water, allowing them to have more contact with the electrolyzed water, thus producing hydrogen and oxygen faster and in greater quantities, which helps to improve the production efficiency.

[0016] 4. The left and right clamps at the lower part of the electrolytic connection line of this utility model are respectively connected to the cathode structure and the anode structure. The electrolytic connection line is connected to an energy storage coupled renewable energy power source, so that the power source used in its preparation is an energy storage coupled renewable energy source, which is not only environmentally friendly and renewable, but also more economical and energy-saving, and convenient for long-term use. Attached Figure Description

[0017] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the cathode structure installation according to an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the left cover plate in an embodiment of the present utility model.

[0021] In the diagram: 1. Electrolyte tank; 10. Left cavity; 11. Right cavity; 12. Partition; 13. Through-hole; 14. Diaphragm; 15. Left support; 150. Ceramic slot; 16. Right support; 17. First liquid level sensor; 18. Second liquid level sensor; 19. Base; 2. Cathode structure; 20. Connecting end; 21. Plate; 3. Anode structure; 4. Left cover plate; 40. First gas outlet; 41. Perforation; 42. Electrolyte inlet; 5. Right cover plate; 50. Second gas outlet; 6. Hydrogen compressor pump; 60. Left connecting pipe; 7. Oxygen compressor pump; 70. Right connecting pipe; 8. Electrolysis connection line; 80. Energy storage coupled renewable energy power supply; 81. Left gripper; 82. Right gripper. Detailed Implementation

[0022] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. Specific details such as particular system structures and technologies are provided to facilitate a more thorough understanding of the embodiments of this utility model. The described embodiments are some, but not all, of the embodiments disclosed herein. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0023] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0024] Figure 1This is a front view schematic diagram of an embodiment of the present utility model. Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present utility model. Figure 3 This is a schematic diagram of the cathode structure installation according to an embodiment of the present utility model. Figure 4 This is a schematic diagram of the left cover plate in an embodiment of the present utility model.

[0025] Reference Figures 1 to 4 As shown, this utility model provides an integrated device for energy storage coupled with renewable energy electrolysis to produce hydrogen through water electrolysis, including an electrolysis tank 1, a cathode structure 2, and a hydrogen compression pump 6. A left cavity 10 is provided on the left side of the electrolysis tank 1, and a right cavity 11 is provided on the right side of the electrolysis tank 1. A partition 12 is fixed between the left cavity 10 and the right cavity 11. A left support 15 is fixed to the lower left side of the partition 12, and a right support 16 is fixed to the lower right side of the partition 12. The cathode structure 2 is mounted on the left support 15, and an anode structure 3 is mounted on the right support 16. An electrolysis connection line 8 is provided between the upper ends of the cathode structure 2 and the anode structure 3. A base 19 is provided at the bottom of the electrolysis tank 1. The hydrogen compression pump 6 is fixed to the left side of the upper end face of the base 19, and an oxygen compression pump 7 is fixed to the right side of the upper end face of the base 19.

[0026] In this embodiment, a through-hole 13 is provided in the middle of the partition 12, and a diaphragm 14 is provided in the through-hole 13. Sewage outlets are provided on the lower part of the front sides of both the left and right sides of the electrolytic water tank 1. A first liquid level sensor 17 and a second liquid level sensor 18 are provided on the left side wall inside the electrolytic water tank 1. A left cover plate 4 is provided on the top of the left cavity 10, and a right cover plate 5 is provided on the top of the right cavity 11.

[0027] As a preferred embodiment, the left cover plate 4 and the right cover plate 5 in this utility model are designed to tightly cover the hydrogen and oxygen produced during the water electrolysis process, so that the two gases can be transported out separately, making it convenient to prepare hydrogen and saving time and effort.

[0028] In this embodiment, a first air outlet 40 is provided on the left side of the upper end face of the left cover plate 4, and a left connecting pipe 60 is connected to the hydrogen compression pump 6. The other end of the left connecting pipe 60 is connected to the first air outlet 40. Multiple sets of perforations 41 are opened in the middle of the left cover plate 4, and an electrolyte inlet 42 is provided on the right side of the upper end face of the left cover plate 4. A second air outlet 50 is provided on the right side of the upper end face of the right cover plate 5, and a right connecting pipe 70 is connected to the upper part of the oxygen compression pump 7. The other end of the right connecting pipe 70 is connected to the second air outlet 50. The left cover plate 4 and the right cover plate 5 are symmetrical about the center line of the electrolysis tank 1.

[0029] As a preferred embodiment, the present invention facilitates the delivery of hydrogen generated by water electrolysis in the left cavity 10 to the hydrogen compression pump 6 through the connection between the first outlet 40 and the left connecting pipe 60, while the oxygen generated by water electrolysis in the right cavity 11 is delivered to the oxygen compression pump 7. The compression and maintenance are more space-saving, stable and reliable.

[0030] In this embodiment, the upper end of the cathode structure 2 is provided with a connecting end 20, and three sets of plates 21 are provided below the cathode structure 2. The upper side of the left support 15 is provided with three sets of ceramic slots 150. The lower end of each set of plates 21 is located in a corresponding set of ceramic slots 150. The cathode structure 2 and the anode structure 3, as well as the left support 15 and the right support 16, are symmetrical about the center line of the partition 12.

[0031] As a preferred embodiment, both the cathode structure 2 and the anode structure 3 in this invention adopt a lower three-plate structure. Both the cathode and anode structures have more plates extending into the electrolyzed water, allowing them to have more contact with the electrolyzed water, thus producing hydrogen and oxygen faster and in greater quantities, which helps to improve the production efficiency.

[0032] In this embodiment, an energy storage coupled renewable energy power supply 80 is connected to the electrolytic connection line 8, and the left claw 81 provided at the left end of the electrolytic connection line 8 is clamped at the connection end 20 on the cathode structure 2, and the right claw 82 provided at the right end of the electrolytic connection line 8 is clamped at the connection end on the right cover plate 5.

[0033] In a preferred embodiment, the left jaw 81 and right jaw 82 at the lower part of the electrolytic connecting wire 8 are respectively connected to the cathode structure 2 and the anode structure 3. The electrolytic connecting wire 8 is connected to an energy storage coupled renewable energy power supply 80, so that the power supply used is an energy storage coupled renewable energy source, which is not only environmentally friendly and renewable, but also more economical and energy-saving, and convenient for long-term use.

[0034] This invention effectively solves the problems of low gas production efficiency in the electrolysis of water, inconvenient water transportation and wastewater discharge, and low efficiency in the existing technology. This invention allows for convenient and rapid simultaneous transportation of electrolyzed water into the left and right cavities of the electrolytic cell. Furthermore, the cathode and anode structures employ multiple plates extending into the electrolyzed water for electrolysis, which helps promote the production of more hydrogen and oxygen, resulting in faster production efficiency. It also facilitates separate transportation, compression, and retention, and allows for rapid discharge of electrolysis wastewater, making it more efficient, convenient, and practical.

[0035] The above embodiments are used to explain and illustrate the present utility model, and not to limit the utility model. Any modifications and changes made to the present utility model within the spirit and scope of the claims should be included within the protection scope of the present utility model.

Claims

1. An integrated device for hydrogen production by water electrolysis coupled with renewable energy storage, characterized by: The utility model provides an electrolytic tank (1), cathode structure (2) and hydrogen gas compression pump (6) including, the left part of electrolytic tank (1) is provided with left cavity (10), and the right part of electrolytic tank (1) is provided with right cavity (11), fixed with the baffle (12) between left cavity (10) and right cavity (11), and the left side surface lower part of baffle (12) is fixed with left support (15), and the right side surface lower part of baffle (12) is fixed with right support (16), the cathode structure (2) is arranged on left support (15), and the anode structure (3) is arranged on right support (16), be provided with electrolytic connecting wire (8) between the upper end of cathode structure (2) and anode structure (3), the bottom of electrolytic tank (1) is provided with base (19), and the upper end surface left side of base (19) is fixed with hydrogen gas compression pump (6), and the upper end surface right side of base (19) is fixed with oxygen gas compression pump (7).

2. The integrated device for hydrogen production by water electrolysis using energy stored from renewable energy sources through coupling, according to claim 1, characterized in that, The middle part of baffle (12) is provided with a through hole (13), and a diaphragm (14) is arranged in the through hole (13), and a sewage outlet is arranged on the lower part of the front side of the left and right parts of the electrolytic tank (1).

3. The integrated device for hydrogen production by water electrolysis using energy stored from renewable energy sources through coupling, according to claim 1, characterized in that, A first liquid level sensor (17) and a second liquid level sensor (18) are arranged on the left side wall of the electrolytic tank (1), a left cover plate (4) is arranged on the left cavity (10), and a right cover plate (5) is arranged on the upper end of the right cavity (11).

4. The integrated device for hydrogen production by water electrolysis using energy stored from renewable energy sources through coupling, according to claim 3, characterized in that, A first gas outlet (40) is arranged on the left part of the upper end surface of the left cover plate (4), a left connecting pipe (60) is connected to the hydrogen gas compression pump (6, the other end of the left connecting pipe (60) is connected to the first gas outlet (40), a plurality of perforations (41) are arranged on the middle part of the left cover plate (4), and an electrolyte inlet (42) is arranged on the right part of the upper end surface of the left cover plate (4).

5. The integrated device for hydrogen production by water electrolysis using energy stored from renewable energy sources through coupling, according to claim 3, characterized in that, A second gas outlet (50) is arranged on the right part of the upper end surface of the right cover plate (5), a right connecting pipe (70) is connected to the oxygen gas compression pump (7), the other end of the right connecting pipe (70) is connected to the second gas outlet (50), and the left cover plate (4) and the right cover plate (5) are left-right symmetrical about the center line of the electrolytic tank (1).

6. The integrated device for hydrogen production by water electrolysis using energy stored from renewable energy sources through coupling, according to claim 1, characterized in that, A connecting end (20) is arranged on the upper end of the cathode structure (2), three groups of plate blocks (21) are arranged below the cathode structure (2), three groups of ceramic clamping grooves (150) are arranged on the upper side of the left support (15), the lower end of each group of plate blocks (21) is located in a corresponding group of ceramic clamping grooves (150), and the cathode structure (2), the anode structure (3), the left support (15) and the right support (16) are left-right symmetrical about the center line of the baffle (12).

7. The integrated device for hydrogen production by water electrolysis using energy stored from renewable energy sources through coupling, according to claim 1, characterized in that, An energy storage coupling renewable energy power supply (80) is connected to the electrolytic connecting wire (8), a left clamping jaw (81) arranged on the left end of the electrolytic connecting wire (8) clamps the connecting end (20) on the cathode structure (2), and a right clamping jaw (82) arranged on the right end of the electrolytic connecting wire (8) clamps the connecting end on the right cover plate (5).

Images