Electrolytic cell capable of adjusting ph value of hydrogen-rich water

Abstract

The utility model discloses an electrolytic cell capable of adjusting hydrogen-rich water PH value, first electrolytic subassembly includes the first membrane electrode that first electrolytic cavity is divided into first anode chamber and first cathode chamber, second electrolytic subassembly sets up in second electrolytic cavity, including the second membrane electrode that second electrolytic cavity is divided into second anode chamber and second cathode chamber, and the second membrane electrode includes the diaphragm that allows hydrogen ion or hydroxyl ion to pass, hydrogen mixing block is equipped with the connecting channel of intercommunication first cathode chamber and second cathode chamber, hydrogen mixing block is equipped with the water supply structure for supplying water to first anode chamber, second anode chamber, first cathode chamber, and is equipped with hydrogen water export with second cathode chamber intercommunication, and is equipped with first oxygen water export with first anode chamber intercommunication, and is equipped with second oxygen water export with second anode chamber intercommunication, the utility model discloses in the preparation process of hydrogen-rich water, the adjustment of hydrogen-rich water PH value is realized simultaneously, and effectively satisfies the actual use demand of hydrogen-rich water, and the practicality is strong.

Description

Technical Field

[0001] This utility model relates to the field of household appliances, and in particular to an electrolytic cell capable of adjusting the pH value of hydrogen-rich water. Background Technology

[0002] Currently, the pH value of hydrogen-rich water cannot be adjusted simultaneously during the preparation process, making it difficult to meet the actual usage requirements of hydrogen-rich water. Utility Model Content

[0003] To address the aforementioned technical problems, the purpose of this utility model is to propose an electrolytic cell capable of adjusting the pH value of hydrogen-rich water. During the preparation of hydrogen-rich water, the pH value of the water can be adjusted simultaneously, effectively meeting the actual usage requirements of hydrogen-rich water and demonstrating strong practicality.

[0004] The technical solution of this utility model is implemented as follows: an electrolytic cell capable of adjusting the pH value of hydrogen-rich water includes a hydrogen mixing block with opposite ends, a first end plate disposed at the first end of the hydrogen mixing block, a second end plate disposed at the second end of the hydrogen mixing block, a first electrolysis component, and a second electrolysis component.

[0005] A first electrolysis chamber is formed between the first end plate and the hydrogen mixing block; the first electrolysis assembly is disposed in the first electrolysis chamber and includes a first membrane electrode that divides the first electrolysis chamber into a first anode chamber and a first cathode chamber, a first anode plate disposed in the first anode chamber, and a first cathode plate disposed in the first cathode chamber;

[0006] A second electrolysis chamber is formed between the second end plate and the hydrogen mixing block; the second electrolysis assembly is disposed in the second electrolysis chamber and includes a second membrane electrode that divides the second electrolysis chamber into a second anode chamber and a second cathode chamber, a second anode plate disposed in the second anode chamber, and a second cathode plate disposed in the second cathode chamber; the second membrane electrode includes a diaphragm that allows hydrogen ions or hydroxide ions to pass through;

[0007] The hydrogen mixing block is provided with a connecting channel that connects the first cathode chamber and the second cathode chamber.

[0008] The hydrogen mixing block is provided with a water supply structure for supplying water to the first anode chamber, the second anode chamber, and the first cathode chamber; the hydrogen mixing block is provided with a hydrogen water outlet communicating with the second cathode chamber, a first oxygen water outlet communicating with the first anode chamber, and a second oxygen water outlet communicating with the second anode chamber.

[0009] Furthermore, the hydrogen mixing block has a flow guiding plane facing the second cathode chamber; a Tesla flow channel is provided on the flow guiding plane; a mating sealing gasket is provided in the second cathode chamber between the second cathode plate and the flow guiding plane; the mating sealing gasket is sealed and mated with the flow guiding plane and covers the Tesla flow channel; the Tesla flow channel has a transport direction that generates resistance to the fluid;

[0010] The upstream end of the Tesla flow channel in the conveying direction is connected to the connecting channel; the downstream end of the mating sealing gasket corresponding to the conveying direction of the Tesla flow channel is provided with a connecting hole.

[0011] Furthermore, the first membrane electrode includes an ion exchange membrane, a first mesh disposed between the ion exchange membrane and the first cathode plate, and a second mesh disposed between the ion exchange membrane and the first anode plate; both the first mesh and the second mesh are provided with a mesh structure and are made of a metallic conductive material; both the first mesh and the second mesh are provided with a catalyst coating.

[0012] Furthermore, the second membrane electrode includes the diaphragm, a third mesh disposed between the diaphragm and the second cathode plate, and a fourth mesh disposed between the diaphragm and the second anode plate; both the third mesh and the fourth mesh are provided with a mesh structure and are made of a metallic conductive material; both the third mesh and the fourth mesh are provided with a catalyst coating.

[0013] Furthermore, the water supply structure includes a first water inlet; a first conveying channel is constructed between the hydrogen mixing block, the first end plate, and the second end plate, connecting the first anode chamber and the second anode chamber; the first water inlet is connected to the first conveying channel.

[0014] Furthermore, the water supply structure includes a second water inlet; the second water inlet is connected to the first cathode chamber.

[0015] Furthermore, a second conveying channel is constructed between the hydrogen mixing block, the first end plate, and the second end plate, connecting the first anode chamber and the second anode chamber; both the first oxygen water outlet and the second oxygen water outlet are connected to the second conveying channel.

[0016] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0017] 1. This invention, through the use of a first electrolysis component, generates hydrogen gas in a first cathode chamber. The hydrogen gas and water are then transported into a second cathode chamber via a connecting channel. With the use of a second electrolysis component, hydrogen gas and hydroxide ions are generated in the second cathode chamber, increasing the pH value of the solution there. Conversely, oxygen and hydrogen ions are generated in the second anode chamber, decreasing the pH value of the solution there. A diaphragm allows hydrogen ions to pass through the diaphragm into the second cathode chamber, or hydroxide ions to pass through the diaphragm into the second anode chamber, thus regulating the concentration difference between hydrogen and hydroxide ions in the solution within the second cathode chamber. Furthermore, adjusting the current of the second electrolysis component controls the amount of hydrogen or hydroxide ions passing through the diaphragm, thereby regulating the concentration difference between hydrogen and hydroxide ions in the solution within the second cathode chamber. This combination of methods prepares hydrogen-rich water in the second cathode chamber while simultaneously regulating the pH value of the hydrogen-rich water, effectively meeting the practical needs of hydrogen-rich water use and demonstrating strong practicality.

[0018] 2. In this invention, the mixed solution of hydrogen and water generated in the first cathode chamber is transported into the second cathode chamber via a Tesla channel to form hydrogen-rich water. During the transport process, hydrogen and water collide multiple times within the Tesla channel, creating turbulence, which allows the hydrogen to dissolve quickly and fully in the water, thereby obtaining a high concentration of hydrogen-rich water. The overall structure is compact, and the hydrogen-rich water preparation efficiency is high with excellent mixing effect, effectively meeting the needs for hydrogen-rich water preparation and demonstrating strong practicality. Attached Figure Description

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings:

[0020] Figure 1 This is a three-dimensional structural diagram of the overall structure of this utility model;

[0021] Figure 2 for Figure 1 A top view structural diagram;

[0022] Figure 3 for Figure 2 Sectional view at point AA;

[0023] Figure 4 for Figure 2 Sectional view at point BB in the middle;

[0024] Figure 5 for Figure 2 Sectional view at DD in the middle;

[0025] Figure 6 for Figure 1 Exploded view;

[0026] Figure 7 for Figure 1A three-dimensional structural diagram from another perspective;

[0027] Figure 8 This is a three-dimensional structural diagram of the hydrogen mixing block and the matching sealing gasket of this utility model;

[0028] Figure 9 This is a top view structural schematic diagram of the hydrogen mixing block of this utility model;

[0029] Figure 10 This is a three-dimensional structural diagram of the hydrogen mixing block of this utility model;

[0030] Figure 11 This is an exploded view of the first membrane electrode of this utility model;

[0031] Figure 12 This is an exploded view of the second membrane electrode of this utility model;

[0032] The components include: 1. Hydrogen mixing block; 11. First electrolysis chamber; 12. Second electrolysis chamber; 14. Tesla flow channel; 141. Connecting channel; 142. Blind hole; 15. Second water supply port; 151. Third conveying channel; 16. First water supply port; 161. First conveying channel; 17. First oxygen water outlet; 171. Second conveying channel; 18. Second oxygen water outlet; 19. Hydrogen water outlet; 191. Fourth conveying channel; 2. First end plate; 3. Second end plate; 4. First electrolysis assembly; 41. First membrane electrode; 411. Ion exchanger. 412. Membrane; 413. First woven mesh; 414. Second woven mesh; 415. Second woven mesh; 42. First anode plate; 43. First cathode plate; 44. First sealing gasket; 45. Second sealing gasket; 5. Second electrolysis assembly; 51. Second membrane electrode; 511. Separator; 512. Third woven mesh; 513. Third woven mesh; 514. Fourth woven mesh; 515. Fourth woven mesh; 52. Second cathode plate; 53. Second anode plate; 54. Matching sealing gasket; 541. Connecting hole; 55. Third sealing gasket. Detailed Implementation

[0033] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0034] like Figure 1-12The diagram shows an electrolytic cell capable of adjusting the pH value of hydrogen-rich water according to this embodiment. This electrolytic cell is used to generate hydrogen gas by electrolyzing water, and then mixes the hydrogen gas with water to form hydrogen-rich water. The electrolytic cell includes a hydrogen mixing block 1, a first end plate 2, a second end plate 3, a first electrolysis assembly 4, and a second electrolysis assembly 5. The hydrogen mixing block 1 has two opposing ends. A first groove is machined on the end face of the first end of the hydrogen mixing block 1, and a second groove is machined on the end face of the second end. The first end plate 2 covers the end face of the first end of the hydrogen mixing block 1, forming a closed first electrolysis chamber 11 with the first groove. The second end plate 3 covers the end face of the second end of the hydrogen mixing block 1, forming a closed second electrolysis chamber 12 with the second groove. The first end plate 2, the hydrogen mixing block 1, and the second end plate 3 are mutually locked and fixed together by a bolt assembly.

[0035] The aforementioned first electrolysis assembly 4 is arranged within the first electrolysis chamber 11, and includes a first membrane electrode 41 dividing the first electrolysis chamber 11 into a first anode chamber and a first cathode chamber, a first anode plate 42 installed in the first anode chamber, and a first cathode plate 43 installed in the first cathode chamber. The first membrane electrode 41 includes an ion exchange membrane 411, a first mesh 412 arranged between the ion exchange membrane 411 and the first cathode plate 43, and a second mesh 414 arranged between the ion exchange membrane 411 and the first anode plate 42. Both the first mesh 412 and the second mesh 414 have a mesh structure and are made of a conductive metallic material. Both the first mesh 412 and the second mesh 414 are coated with a catalyst coating to catalyze the water electrolysis process. This catalyst coating is a conventional coating in the prior art, preferably a platinum coating. A first woven mesh 413 is arranged between the first mesh 412 and the first cathode plate 43, and a second woven mesh 415 is arranged between the second mesh 414 and the first anode plate 42. Both the first woven mesh 413 and the second woven mesh 415 are mesh structures made of conductive metallic material. In the above structure, the first woven mesh 413, the first plate mesh 412, the ion exchange membrane 411, the second plate mesh 414, and the second woven mesh 415 are arranged in sequence. The first woven mesh 413 and the second woven mesh 415 provide flow channels to disperse the fluid. The ion exchange membrane 411 is a conventional component in the prior art. With the above structural design, when electricity is applied to the first anode plate 42 and the first cathode plate 43, oxygen is generated in the first anode chamber and hydrogen is generated in the first cathode chamber.

[0036] The aforementioned second electrolysis assembly 5 is installed within the second electrolysis chamber 12, and includes a second membrane electrode 51 dividing the second electrolysis chamber 12 into a second anode chamber and a second cathode chamber, a second anode plate 53 disposed in the second anode chamber, and a second cathode plate 52 disposed in the second cathode chamber. The second membrane electrode 51 includes a diaphragm 511, a third mesh 512 disposed between the diaphragm 511 and the second cathode plate 52, and a fourth mesh 514 disposed between the diaphragm 511 and the second anode plate 53. Both the third mesh 512 and the fourth mesh 514 have a mesh structure and are made of a conductive metallic material. Both the third mesh 512 and the fourth mesh 514 are coated with a catalyst coating to catalyze the water electrolysis process. This catalyst coating is a conventional coating in the prior art, preferably a platinum coating. A third woven mesh 513 is disposed between the third mesh 512 and the second cathode plate 52, and a fourth woven mesh 515 is disposed between the fourth mesh 514 and the second anode plate 53. Both the third braided mesh 513 and the fourth braided mesh 515 are mesh structures made of conductive metallic material. In the above structure, the third braided mesh 513, the third plate mesh 512, the diaphragm 511, the fourth plate mesh 514, and the fourth braided mesh 515 are arranged in sequence. The third braided mesh 513 and the second and fourth braided meshes provide flow channels to disperse the fluid. In this embodiment, the diaphragm 511 is used to allow hydrogen ions or hydroxide ions. It can be selected as an anion exchange membrane or a cation exchange membrane according to actual needs. With the above structural design, when the second anode plate 53 and the second cathode plate 52 are energized, the following reactions occur in the second cathode chamber and the second anode chamber respectively:

[0037] Second anode chamber (oxidation reaction):

[0038] 2H₂O→O₂↑+4H + +4e -

[0039] Result: H was generated in the second anode chamber. + The pH value decreases (acidity increases).

[0040] Second cathode chamber (reduction reaction):

[0041] 2H₂O + 2e⁻ → H₂↑ + 2OH⁻ -

[0042] Result: OH was generated in the second cathode chamber. - The pH value increases (alkalinity increases).

[0043] By using the diaphragm 511, hydrogen ions can pass through the diaphragm 511 into the second cathode chamber, or hydroxide ions can pass through the diaphragm 511 into the second anode chamber, thereby regulating the concentration of hydrogen ions or hydroxide ions in the solution within the second cathode chamber, and thus adjusting the pH value of the solution within the second cathode chamber. Similarly, by adjusting the current of the second electrolysis component 5, the number of hydrogen ions or hydroxide ions passing through the diaphragm 511 can be controlled, thereby regulating the concentration of hydrogen ions or hydroxide ions in the solution within the second cathode chamber, and thus adjusting the pH value of the solution within the second cathode chamber.

[0044] The hydrogen mixing block 1 is provided with a connecting channel 141 that connects the first cathode chamber and the second cathode chamber. Through this connecting channel 141, hydrogen and water in the first cathode chamber can enter the second cathode chamber and mix with the solution in the second cathode chamber to prepare hydrogen-rich water.

[0045] A first sealing gasket 44 is arranged between the first cathode plate 43 and the hydrogen mixing block 1. A second sealing gasket 45 is arranged between the first anode plate 42 and the first end plate 2. A third sealing gasket is arranged between the second end plate 3 and the second anode plate 53. The first sealing gasket 44, the second sealing gasket 45, and the third sealing gasket all serve a sealing function. A certain number of clearance holes are machined on the first sealing gasket 44, the second sealing gasket 45, and the third sealing gasket to meet the requirements of hydrogen-rich water preparation. For example, a through hole is machined on the first sealing gasket 44 corresponding to the connecting channel 141 so that hydrogen and water in the first cathode chamber can enter the connecting channel 141 through the through hole.

[0046] The aforementioned hydrogen mixing block 1 is equipped with a water supply structure for supplying water to the first anode chamber, the second anode chamber, and the first cathode chamber. The hydrogen mixing block 1 is also equipped with a fourth conveying channel 191 communicating with the second cathode chamber. A hydrogen water outlet 19 communicating with the fourth conveying channel 191 is also provided on the hydrogen mixing block 1. Hydrogen-rich water formed in the second cathode chamber is discharged through this hydrogen water outlet 19. Furthermore, the hydrogen mixing block 1 is equipped with a first oxygen water outlet 17 communicating with the first anode chamber. Oxygen and water in the first anode chamber can be discharged through this first oxygen water outlet 17. Finally, the hydrogen mixing block 1 is equipped with a second oxygen water outlet 18 communicating with the second anode chamber. Oxygen and water in the second anode chamber can be discharged through this second oxygen water outlet 18.

[0047] The aforementioned water supply structure includes a first water inlet 16. A first conveying channel 161 connecting the first anode chamber and the second anode chamber is constructed between the hydrogen mixing block 1, the first end plate 2, and the second end plate 3. The first water inlet 16 is connected to the first conveying channel 161. Water can be simultaneously supplied to the first anode chamber and the second anode chamber via the first water inlet 16 and the first conveying channel 161. The aforementioned water supply structure also includes a second water inlet 15. A third conveying channel 151 communicating with the first cathode chamber is machined on the hydrogen mixing block 1. The second water inlet 15 is connected to the first cathode chamber via the third conveying channel 151.

[0048] A second conveying channel 171 connecting the first anode chamber and the second anode chamber is constructed between the aforementioned hydrogen mixing block 1, the first end plate 2, and the second end plate 3. The aforementioned first oxygen water outlet 17 and second oxygen water outlet 18 are combined into a single oxygen water outlet, which is connected to the second conveying channel 171. Oxygen and water in the first anode chamber and the second anode chamber can be output via the second conveying channel 171.

[0049] In this embodiment, the hydrogen mixing block 1 has a flow guiding plane facing the second cathode chamber (this flow guiding plane is the bottom surface of the aforementioned second groove). A Tesla flow channel 14 is machined on the aforementioned flow guiding plane. This Tesla flow channel 14 is a conventional structure in the prior art, with a designed curved extension direction. A mating sealing gasket is installed in the second cathode chamber between the second cathode plate 52 and the flow guiding plane. The mating sealing gasket seals against the flow guiding plane and covers the Tesla flow channel 14. The Tesla flow channel 14 has a transport direction that generates resistance to the fluid. The upstream end of the Tesla flow channel 14 in the transport direction is connected to the connecting channel 141, and the downstream end of the Tesla flow channel 14 has a blind hole 142. A connecting hole corresponding to the blind hole 142 is machined on the mating sealing gasket. Through the above structural design, hydrogen and water in the first cathode chamber can enter the Tesla flow channel 14 via the connecting channel and enter the second cathode chamber via the connecting hole. During the transport process, hydrogen and water are separated in the Tesla channel 14 and then merge and collide to form turbulence, so that hydrogen can be quickly and fully dissolved in water, improving the mixing effect and thus obtaining hydrogen-rich water with a higher concentration.

[0050] In practical use, during water electrolysis, hydrogen gas and water generated in the first cathode chamber enter the second cathode chamber via connecting channel 141 and Tesla flow channel 14, and mix with the hydrogen gas generated in the second cathode chamber to form hydrogen-rich water, which is then discharged from hydrogen water outlet 19. During this process, hydrogen gas and hydroxide ions are generated in the second cathode chamber, increasing the pH value of the solution there, while oxygen and hydrogen ions are generated in the second anode chamber, decreasing the pH value of the solution there. The use of diaphragm 511 allows hydrogen ions to pass through diaphragm 511 into the second cathode chamber or hydroxide ions to pass through diaphragm 511 into the second anode chamber, thereby regulating the concentration difference of hydrogen ions or hydroxide ions in the solution within the second cathode chamber, and thus adjusting the pH value of the hydrogen-rich water in the second cathode chamber. Furthermore, by adjusting the current of the second electrolysis component 5, the number of hydrogen ions or hydroxide ions passing through diaphragm 511 is controlled, thereby regulating the concentration difference of hydrogen ions or hydroxide ions in the solution within the second cathode chamber, and thus adjusting the pH value of the hydrogen-rich water in the second cathode chamber. The combination of the above methods produces hydrogen-rich water in the second cathode chamber and simultaneously adjusts the pH value of the hydrogen-rich water, effectively meeting the actual needs of hydrogen-rich water use and demonstrating strong practicality.

[0051] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An electrolyzer capable of adjusting the pH value of hydrogen-rich water, comprising a hydrogen mixing block having opposite ends, a first end plate disposed at a first end of the hydrogen mixing block, a second end plate disposed at a second end of the hydrogen mixing block, a first electrolysis assembly, and a second electrolysis assembly; characterized in that: A first electrolysis chamber is formed between the first end plate and the hydrogen mixing block; the first electrolysis assembly is disposed in the first electrolysis chamber and includes a first membrane electrode that divides the first electrolysis chamber into a first anode chamber and a first cathode chamber, a first anode plate disposed in the first anode chamber, and a first cathode plate disposed in the first cathode chamber; A second electrolysis chamber is formed between the second end plate and the hydrogen mixing block; the second electrolysis assembly is disposed in the second electrolysis chamber and includes a second membrane electrode that divides the second electrolysis chamber into a second anode chamber and a second cathode chamber, a second anode plate disposed in the second anode chamber, and a second cathode plate disposed in the second cathode chamber; the second membrane electrode includes a diaphragm that allows hydrogen ions or hydroxide ions to pass through; The hydrogen mixing block is provided with a connecting channel that connects the first cathode chamber and the second cathode chamber. The hydrogen mixing block is provided with a water supply structure for supplying water to the first anode chamber, the second anode chamber, and the first cathode chamber; the hydrogen mixing block is provided with a hydrogen water outlet communicating with the second cathode chamber, a first oxygen water outlet communicating with the first anode chamber, and a second oxygen water outlet communicating with the second anode chamber.

2. An electrolyzer capable of adjusting the pH value of hydrogen-rich water according to claim 1, characterized in that: The hydrogen mixing block has a flow guide plane facing the second cathode chamber; the flow guide plane is provided with a Tesla flow channel; a mating sealing gasket is provided in the second cathode chamber between the second cathode plate and the flow guide plane; the mating sealing gasket is sealed and mated with the flow guide plane and covers the Tesla flow channel; the Tesla flow channel has a transport direction that generates resistance to the fluid; The upstream end of the Tesla flow channel in the conveying direction is connected to the connecting channel; the downstream end of the mating sealing gasket corresponding to the conveying direction of the Tesla flow channel is provided with a connecting hole.

3. An electrolyzer capable of adjusting the pH value of hydrogen-rich water according to claim 1, characterized in that: The first membrane electrode includes an ion exchange membrane, a first mesh disposed between the ion exchange membrane and the first cathode plate, and a second mesh disposed between the ion exchange membrane and the first anode plate; both the first mesh and the second mesh are provided with a mesh structure and are made of a metallic conductive material; both the first mesh and the second mesh are provided with a catalyst coating.

4. An electrolyzer capable of adjusting the pH value of hydrogen-rich water according to claim 1, characterized in that: The second membrane electrode includes the diaphragm, a third mesh disposed between the diaphragm and the second cathode plate, and a fourth mesh disposed between the diaphragm and the second anode plate; both the third mesh and the fourth mesh are provided with a mesh structure and are made of a metallic conductive material; both the third mesh and the fourth mesh are provided with a catalyst coating.

5. An electrolyzer capable of adjusting the pH value of hydrogen-rich water according to claim 1, characterized in that: The water supply structure includes a first water inlet; a first conveying channel is constructed between the hydrogen mixing block, the first end plate, and the second end plate, connecting the first anode chamber and the second anode chamber; the first water inlet is connected to the first conveying channel.

6. An electrolyzer capable of adjusting the pH value of hydrogen-rich water according to claim 1, characterized in that: The water supply structure includes a second water inlet; the second water inlet is connected to the first cathode chamber.

7. An electrolyzer capable of adjusting the pH value of hydrogen-rich water according to claim 1, characterized in that: A second conveying channel is constructed between the hydrogen mixing block, the first end plate, and the second end plate, connecting the first anode chamber and the second anode chamber; both the first oxygen water outlet and the second oxygen water outlet are connected to the second conveying channel.

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