Method, system and equipment for preparing hydrogen-rich water

Abstract

A method, system and device for preparing hydrogen-rich water are characterized in that a three-way connector is arranged at the rear end of a water inlet, water input from the water inlet is divided into two paths at the three-way connector, the first path conveys the water to a hydrogen production unit to generate hydrogen, and the second path conveys a water source; hydrogen dissolving and mixing are conducted on generated hydrogen and water of the second channel through the hydrogen production unit to generate hydrogen-containing water, then the hydrogen-containing water is conveyed to the second three-way connector, the second three-way connector divides the hydrogen-containing water into two paths, one path is conveyed to the water outlet, the other path flows back to the hydrogen production unit through the third channel to generate hydrogen, and the steps are repeatedly circulated. At the moment, the water input into the hydrogen production unit is hydrogen-containing water, more hydrogen can be generated through the hydrogen production step again, the hydrogen is repeatedly mixed with the water in the second channel, the concentration of the hydrogen in the water can be remarkably improved, and the effect of producing the hydrogen-rich water in real time is achieved by synchronously outputting the hydrogen-rich water and circularly producing the hydrogen through the second three-way connector. And the aim of instant use is fulfilled.

Description

Technical Field

[0001] The present invention relates to the field of hydrogen-rich water, and particularly to a method, a system and a device for preparing hydrogen-rich water. Background Art

[0002] Hydrogen-rich water contains a certain concentration of hydrogen, and its name comes from the original Japanese name "hydrogen water", also known as "hydrogen water". Research shows that hydrogen-rich water has a preventive effect on various physical problems and is an antioxidant reducing agent. Therefore, in recent years, due to its potential health benefits, hydrogen-rich water has received extensive attention in the drinking water market.

[0003] However, in the existing technology for preparing hydrogen-rich water, a water tank is usually set in the system for preparing hydrogen-rich water. The water tank is used to store pure water. After hydrogen is produced, the hydrogen is input into the water tank so that the hydrogen dissolves in the water to generate hydrogen-containing water. However, on the one hand, the concentration of the hydrogen-containing water produced by this technology is relatively low. On the other hand, in order to improve the water output efficiency, a certain volume of water usually needs to be stored in the storage water tank for a long time. Over time, bacteria will grow in the water tank, ultimately affecting the water quality safety. And setting up a water tank will make the entire hydrogen production system complex, occupy a large space, and is not suitable for the home living environment either. Summary of the Invention

[0004] A method for preparing hydrogen-rich water includes the following steps: S1, water from the water source enters through the water inlet, passes through the first three-way interface. One part of the water source passes through the first three-way interface and is transported through the first path to the hydrogen production unit to generate hydrogen, and the other part of the water source is transmitted through the first three-way interface to the second path; S2, the hydrogen generated by the hydrogen production unit and the water in the second path are dissolved and mixed at the intersection of the fourth path and the second path to generate hydrogen-containing water, and then transmitted to the second three-way interface; S3, one part of the hydrogen-containing water is output through the second three-way interface to the water outlet, and the other part of the hydrogen-containing water passes through the second three-way interface and returns to the hydrogen production unit through the third path to generate hydrogen again; S4, the hydrogen regenerated and returned to the hydrogen production unit repeats steps S2 - S3; S5, in the water supply state, steps S1 - S4 are repeated.

[0005] Preferably, before the water source passes through the first three-way interface, it is first filtered by a filter.

[0006] Preferably, the filter is a RO reverse osmosis water purifier, which includes a PCB filter element and a RO filter element.

[0007] Preferably, in step S2, the hydrogen production unit separates water to generate hydrogen by electrolysis.

[0008] Preferably, in step S2, the water before entering the hydrogen production unit is first purified by a resin unit.

[0009] Preferably, the water in the first passage is atomized before entering the hydrogen production unit.

[0010] Preferably, in step S3, the hydrogen-containing water that flows back to the hydrogen production unit through the second three-way interface is atomized before entering the hydrogen production unit.

[0011] Preferably, in step S2, after the hydrogen-containing water is generated by dissolution and mixing, it is then redissolved and mixed through a gas-liquid mixing pump.

[0012] Preferably, in step S3, a portion of the hydrogen-containing water passes through a magnetic material before being output to the water outlet.

[0013] Preferably, part of the part of the hydrogen-containing water is transferred to the water outlet through the third three-way interface, and another part of the part of the hydrogen-containing water is delivered to the hydrogen locking barrel.

[0014] Preferably, an air bag is provided in the hydrogen lock barrel, and the air bag is squeezed by the hydrogen-rich water and undissolved hydrogen flowing into the hydrogen lock barrel. When the pressure reaches a threshold, the hydrogen-rich water is squeezed back into the passage and transported to the outlet, or when the time reaches a threshold, the hydrogen-rich water is discharged.

[0015] A system for preparing hydrogen-rich water, the system comprising a water transport passage, a hydrogen production unit, a first three-way interface, and a second three-way interface, wherein the passage comprises a first passage, a second passage, a third passage, and a fourth passage, and can implement the following steps: S1, water source enters the water inlet and passes through the first three-way interface. Part of the water source is transported to the hydrogen production unit through the first three-way interface to generate hydrogen, and the other part of the water source is transported to the second path through the first three-way interface; S2, dissolving and mixing the hydrogen generated by the hydrogen production unit and the water in the second passage at the intersection of the fourth passage and the second passage to generate hydrogen-containing water, and transmitting the hydrogen-containing water to the second three-way interface; S3, a portion of the hydrogen-containing water is output to the water outlet through the second three-way interface, and another portion of the hydrogen-containing water is refluxed to the hydrogen production unit through the second three-way interface via the third path to regenerate hydrogen; S4, the hydrogen regenerated by the hydrogen production unit is refluxed and steps S2-S3 are repeated; S5, in the water supply state, repeat steps S1-S4.

[0016] Preferably, the hydrogen production unit separates water to generate hydrogen through electrolysis.

[0017] Preferably, the system further comprises a filter, and the water source is filtered through the filter before passing through the first three-way interface.

[0018] Preferably, the filter is an RO reverse osmosis water purifier, which includes a PCB filter element and an RO filter element.

[0019] Preferably, in step S2, the system further comprises a resin unit, and the water before entering the hydrogen production unit is first purified by the resin unit.

[0020] Preferably, the system further comprises an atomizer, and the water in the first passage is atomized by the atomizer before the water in the first passage enters the hydrogen production unit.

[0021] Preferably, in step S3, the hydrogen-containing water that flows back to the hydrogen production unit through the second three-way interface is atomized by an atomizer before entering the hydrogen production unit.

[0022] Preferably, in step S2, the system further comprises a gas-liquid mixing pump, and after dissolving and mixing to generate hydrogen-containing water, the hydrogen-containing water is redissolved and mixed again through the gas-liquid mixing pump.

[0023] Preferably, in step S3, the system further comprises a magnetic material, and a portion of the hydrogen-containing water passes through the magnetic material before being output to the water outlet.

[0024] Preferably, the system further includes a third three-way interface and a hydrogen lock barrel, which are arranged in front of the water outlet, and part of the part of the hydrogen-containing water is transmitted to the water outlet through the third three-way interface, and another part of the part of the hydrogen-containing water is transported to the hydrogen lock barrel.

[0025] Preferably, an air bag is provided in the hydrogen lock barrel. The air bag is squeezed by the hydrogen-rich water and undissolved hydrogen flowing into the hydrogen lock barrel. When the pressure reaches a threshold, the hydrogen-rich water is squeezed back into the passage and transported to the outlet, or when the time reaches a threshold, the hydrogen-rich water is discharged.

[0026] A device for preparing hydrogen-rich water, characterized by comprising a device housing and any of the above-mentioned systems.

[0027] The present invention provides multiple pathways and a reflux system, eliminating the need for a water storage tank. This system returns part of the generated hydrogen-rich water to the hydrogen production unit, continuously generating hydrogen and mixing it with water. This increases the concentration of hydrogen in the water, improves the efficiency of generating hydrogen-rich water, and enables ready-to-use hydrogen-rich water. Based on this, the present application proposes a method for preparing hydrogen-rich water that can meet the requirements of high hydrogen concentration in water while ensuring clean and hygienic hydrogen-containing water. BRIEF DESCRIPTION OF THE DRAWINGS Attachment Figure 1 Flow chart for preparing hydrogen-rich water; Attachment Figure 2 A structural diagram of an embodiment of a system for preparing hydrogen-rich water; Attachment Figure 3 A structural diagram of another embodiment of a system for preparing hydrogen-rich water. Specific embodiments The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "front" and "rear" are described according to the direction of water flow, with the direction closer to the water inlet being the front and the direction closer to the water outlet being the rear; the terms "length", "width", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0030] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0031] Example 1 In one embodiment of the method for preparing hydrogen-rich water of the present invention, please refer to Figure 1 , a method for preparing hydrogen-rich water, comprising the following steps: S1, water source enters the water inlet and passes through the first three-way interface. Part of the water source is transported to the hydrogen production unit through the first three-way interface to generate hydrogen, and the other part of the water source is transported to the second path through the first three-way interface; S2, dissolving and mixing the hydrogen generated by the hydrogen production unit and the water in the second passage at the intersection of the fourth passage and the second passage to generate hydrogen-containing water, and transmitting the hydrogen-containing water to the second three-way interface; S3, a portion of the hydrogen-containing water is output to the water outlet through the second three-way interface, and another portion of the hydrogen-containing water is refluxed to the hydrogen production unit through the second three-way interface via the third path to regenerate hydrogen; S4, the hydrogen regenerated by the hydrogen production unit is refluxed and steps S2-S3 are repeated; S5, in the water supply state, repeat steps S1-S4.

[0032] In this embodiment, a three-way interface is set at the rear end of the water inlet. Under the water supply state, the water input from the water inlet is divided into two paths at the three-way interface. The first path is transported to the hydrogen production unit to generate hydrogen, and the second path transports the water source until the intersection of the fourth path and the second path. The hydrogen generated by the hydrogen production unit and the water in the second path are dissolved and mixed to generate hydrogen-containing water, which is then transported to the second three-way interface. The second three-way interface divides the hydrogen-containing water into two paths, one path is transported to the water outlet, and the other path is refluxed back to the hydrogen production unit through the third path to generate hydrogen, and the above steps are repeated. At this time, the water input to the hydrogen production unit is hydrogen-containing water, and more hydrogen will be generated after the hydrogen production step is repeated. The mixing step with the water in the second path will significantly increase the concentration of hydrogen in the water, and through the second three-way interface, the water input from the water source and the refluxed hydrogen-containing water are continuously input into the hydrogen production unit, and the output of hydrogen-rich water and the circulating hydrogen production are carried out simultaneously, realizing the effect of real-time production of hydrogen-rich water and achieving the purpose of ready-to-use.

[0033] Preferably, the direction of water in the passage can be controlled by a one-way valve or a check valve.

[0034] Preferably, water supply can be started or stopped by controlling the water inlet valve.

[0035] Preferably, before the water source passes through the first three-way interface, it is first filtered through a filter. The filter is an RO (REVERSEOSMOSIS, reverse osmosis) water purifier, which contains a PCB (Printed Circuit Board Filter, printed circuit board) filter element and an RO filter element. In this way, the water in the tap can be filtered and the prepared hydrogen-rich water can be directly drunk.

[0036] Preferably, the hydrogen production unit generates hydrogen by separating water through electrolysis, photolysis of water, or other methods.

[0037] Preferably, the water before entering the hydrogen production unit is first purified by a resin unit to improve the efficiency of hydrogen production and the concentration of hydrogen.

[0038] Preferably, a water flow switch is provided in the pipeline to prevent dry burning.

[0039] Preferably, before the water in the first passage and / or the hydrogen-containing water that flows back to the hydrogen production unit through the third passage through the second three-way interface enters the hydrogen production unit, the water in the first passage and / or the hydrogen-containing water that flows back to the hydrogen production unit is atomized, which can increase the contact area between water and the electrode, reduce bubble shielding, optimize distribution uniformity, enhance interfacial activity and other multiple effects, and synergistically accelerate the reaction rate and efficiency of hydrogen production by water electrolysis.

[0040] Preferably, after hydrogen and water are initially dissolved and mixed to generate hydrogen-containing water, they are further dissolved and mixed by a gas-liquid mixing pump to increase the concentration of hydrogen dissolved in water.

[0041] Preferably, a portion of the hydrogen-containing water passes through a magnetic material before being output to the water outlet. When the hydrogen-containing water passes through the magnetic material, the magnetized material can exert magnetic stirring on the water under a Gaussian magnetic field environment, and generate ultrasonic waves during the high-energy blasting process. The ultrasonic waves can cut large water molecule clusters into small water molecule clusters, generating hydrogen-rich small molecule water. Small molecule water is more easily absorbed by the human body and more easily penetrates cells.

[0042] Preferably, for an environment with a long pipeline, in order to reduce the time for water discharge, before the hydrogen-containing water is output to the outlet, a part of the hydrogen-containing water can be transmitted to the water outlet through the third three-way interface, and another part of the part of the hydrogen-containing water is transported to the hydrogen locking barrel for storage. The hydrogen locking barrel is provided with an air bag, and the air bag is squeezed by the hydrogen-rich water and undissolved hydrogen flowing into the hydrogen locking barrel. When the pressure reaches a threshold, the hydrogen-rich water can be squeezed back into the pipeline and transported to the outlet, or after the time exceeds a certain threshold, the hydrogen-rich water in the hydrogen locking barrel is controlled to be discharged, thereby ensuring real-time water discharge even in long pipelines and avoiding bacterial growth caused by long-term water storage.

[0043] Preferably, the water flow is turned on or off by a pressure switch.

[0044] Example 2 In one embodiment of the system for preparing hydrogen-rich water of the present invention, please refer to Figure 2 , the system includes a water transport passage, a hydrogen production unit 4, a first three-way interface 1, and a second three-way interface 5. The water transport passage includes a first passage 2, a second passage 3, a third passage 7, and a fourth passage 6. The system can implement the following steps: water enters from the water inlet and passes through the first three-way interface 1. A portion of the water source is transported to the hydrogen production unit 4 through the first passage 2 through the first three-way interface 1 to generate hydrogen, and another portion of the water source is transmitted to the second passage 3 through the first three-way interface 1; the hydrogen generated by the hydrogen production unit 4 is dissolved and mixed at the intersection of the fourth passage and the second passage 3 through the fourth passage 6; a portion of the hydrogen-containing water is output to the water outlet through the second three-way interface 5, and another portion of the hydrogen-containing water flows through the second three-way interface 5, flows through the third passage 7, and flows back to the hydrogen production unit 4 to regenerate hydrogen, wherein the third passage 7 and the first passage 2 can be two independent passages that are respectively connected to the hydrogen production unit 4, or as Figure 2 As shown, after the intersection, water is transferred to the hydrogen production unit 4 through a passage, which is not limited here; the hydrogen gas regenerated by flowing back to the hydrogen production unit 4 is dissolved and mixed with water again.

[0045] Preferably, the hydrogen production unit 4 separates water to generate hydrogen by electrolysis, and the hydrogen production unit includes a hydrogen outlet and an oxygen outlet.

[0046] Please refer to Figure 3 Preferably, the water inlet is controlled or the water supply is stopped by the water inlet valve 12.

[0047] Preferably, the system further comprises a booster pump 8 for boosting the pressure of the input water source.

[0048] Preferably, the system also includes a filter 9. Before the water source passes through the first three-way interface 1, the water source is first filtered through the filter 9. The filter can be an RO reverse osmosis water purifier, which includes a PCB filter element 11 and an RO filter element 10. By setting the filter, the output water can be direct drinking water, and the direct drinking water can be directly switched to output through the faucet switch 22.

[0049] Preferably, the system also includes a resin unit 16, and the water before entering the hydrogen production unit 4 is first purified by the resin unit 16 to improve the efficiency of hydrogen production and the concentration of hydrogen. A water flow switch 17 can also be set in the pipeline to prevent dry burning.

[0050] Preferably, the system further includes an atomizer 13. Before the water in the first passage 2 enters the hydrogen production unit 4, the water in the first passage 2 is atomized by the atomizer 13, which can increase the contact area between water and the electrode, reduce bubble shielding, optimize distribution uniformity, enhance interfacial activity and other multiple effects, and synergistically accelerate the reaction rate and efficiency of hydrogen production by electrolysis of water. In order to improve the dissolution efficiency, an atomizer 14 can be further provided. Before the hydrogen-containing water that flows back to the hydrogen production unit through the second three-way interface 5 enters the hydrogen production unit 4, the hydrogen-containing water that flows back to the hydrogen production unit 4 is atomized by the atomizer 14. One or more atomizers can be provided as needed, and are not limited here.

[0051] Preferably, the system further comprises a gas-liquid mixing pump 15 , which is used to dissolve and mix the hydrogen-containing water after dissolving and mixing to increase the concentration of hydrogen dissolved in the water.

[0052] Preferably, the system further comprises a magnetic material 21. Before a portion of the hydrogen-containing water is output to the water outlet, it first passes through the magnetic material 21. When the hydrogen-containing water passes through the magnetic material 21, the magnetized material 21 can exert magnetic stirring on the water under a Gaussian magnetic field environment, and generate ultrasonic waves during the high-energy blasting process. The ultrasonic waves can cut large water molecule clusters into small water molecule clusters, generating hydrogen-rich small molecule water. The small molecule water is more easily absorbed by the human body and more easily penetrates cells.

[0053] Preferably, the system further includes a third three-way interface 19 and a hydrogen lock barrel 20. For environments with long pipelines, in order to reduce the time for water discharge, before the hydrogen-containing water is output to the outlet, a portion of the hydrogen-containing water can be transferred to the water outlet through the third three-way interface 19, and another portion of the hydrogen-containing water is transported to the hydrogen lock barrel 20 for storage. The hydrogen lock barrel 20 is provided with an air bag, which is squeezed by the hydrogen-rich water and undissolved hydrogen flowing into the hydrogen lock barrel. When the pressure reaches a threshold, the hydrogen-rich water can be squeezed back into the pipeline and transported to the outlet, or after the time exceeds a certain threshold, the hydrogen-rich water in the hydrogen lock barrel is controlled to be discharged, ensuring real-time water discharge even in long pipelines and avoiding bacterial growth caused by long-term water storage.

[0054] Preferably, the device further comprises a pressure switch 18, which can be used to open or close the water flow.

[0055] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0056] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A method for preparing hydrogen-rich water, characterized in that: The following steps are involved: S1, water source enters the water inlet and passes through the first three-way interface. Part of the water source is transported to the hydrogen production unit through the first three-way interface to generate hydrogen, and the other part of the water source is transported to the second path through the first three-way interface; S2, dissolving and mixing the hydrogen generated by the hydrogen production unit and the water in the second passage at the intersection of the fourth passage and the second passage to generate hydrogen-containing water, and transmitting the hydrogen-containing water to the second three-way interface; S3, a portion of the hydrogen-containing water is output to the water outlet through the second three-way interface, and another portion of the hydrogen-containing water is refluxed to the hydrogen production unit through the second three-way interface via the third path to regenerate hydrogen; S4, the hydrogen regenerated by the hydrogen production unit is refluxed and steps S2-S3 are repeated; S5, in the water supply state, repeat steps S1-S4.

2. The method according to claim 1, wherein The hydrogen production unit separates water to generate hydrogen through electrolysis.

3. The method according to any one of claims 1 to 2, characterized in that: Before the water source passes through the first three-way interface, the water source is first filtered through a filter.

4. The method according to claim 3, wherein The filter is an RO reverse osmosis water purifier, which includes a PCB filter element and an RO filter element.

5. The method according to any one of claims 1-2, characterized in that: In step S2, the water before entering the hydrogen production unit is first purified by the resin unit.

6. The method according to any one of claims 1-2, characterized in that: Before the water in the first passage enters the hydrogen production unit, the water in the first passage is atomized.

7. The method according to claim 6, wherein In step S3, the hydrogen-containing water that flows back to the hydrogen production unit through the second three-way interface is atomized before entering the hydrogen production unit.

8. The method according to claim 7, wherein in step S2, after the hydrogen-containing water is generated by dissolving and mixing, the hydrogen-containing water is dissolved and mixed a second time by a gas-liquid mixing pump.

9. The method according to claim 7, wherein in step S3, a portion of the hydrogen-containing water passes through a magnetic material before being output to the water outlet.

10. The method according to claim 9, wherein a third three-way interface is provided before the water outlet, and part of the part of the hydrogen-containing water is transmitted to the water outlet through the third three-way interface, and another part of the part of the hydrogen-containing water is delivered to the hydrogen lock barrel.

11. According to the method of claim 10, an air bag is provided in the hydrogen lock barrel, and the air bag is squeezed by the hydrogen-rich water and undissolved hydrogen flowing into the hydrogen lock barrel. When the pressure reaches a threshold, the hydrogen-rich water is squeezed back into the passage and transported to the outlet, or when the time reaches a threshold, the hydrogen-rich water is discharged.

12. A system for preparing hydrogen-rich water, the system comprising a water transport passage, a hydrogen production unit, a first three-way interface, and a second three-way interface, the passage comprising a first passage, a second passage, a third passage, and a fourth passage, capable of implementing the following steps: S1, water source enters the water inlet and passes through the first three-way interface. Part of the water source is transported to the hydrogen production unit through the first three-way interface to generate hydrogen, and the other part of the water source is transported to the second path through the first three-way interface; S2, dissolving and mixing the hydrogen generated by the hydrogen production unit and the water in the second passage at the intersection of the fourth passage and the second passage to generate hydrogen-containing water, and transmitting the hydrogen-containing water to the second three-way interface; S3, a portion of the hydrogen-containing water is output to the water outlet through the second three-way interface, and another portion of the hydrogen-containing water is refluxed to the hydrogen production unit through the second three-way interface via the third path to regenerate hydrogen; S4, the hydrogen regenerated by the hydrogen production unit is refluxed and steps S2-S3 are repeated; S5, in the water supply state, repeat steps S1-S4.

13. The system according to claim 12, wherein: The hydrogen production unit separates water to generate hydrogen through electrolysis.

14. The system according to any one of claims 12 to 13, wherein: The system further comprises a filter, and the water source is filtered by the filter before passing through the first three-way interface.

15. The system according to claim 14, wherein: The filter is an RO reverse osmosis water purifier, which includes a PCB filter element and an RO filter element.

16. The system according to any one of claims 12-13, characterized in that: In step S2, the system further includes a resin unit, and the water before entering the hydrogen production unit is first purified by the resin unit.

17. The system according to any one of claims 12-13, characterized in that: The system further includes an atomizer, which atomizes the water in the first passage before the water in the first passage enters the hydrogen production unit.

18. The system according to claim 17, wherein: In step S3, the hydrogen-containing water that flows back to the hydrogen production unit through the second three-way interface is atomized by an atomizer before entering the hydrogen production unit.

19. The system according to claim 18, wherein in step S2, the system further comprises a gas-liquid mixing pump, and after dissolving and mixing to generate hydrogen-containing water, the hydrogen-containing water is re-dissolved and mixed by the gas-liquid mixing pump.

20. The system of claim 18, wherein in step S3, the system further comprises a magnetic material, and a portion of the hydrogen-containing water passes through the magnetic material before being output to the water outlet.

21. The system according to claim 20, further comprising a third three-way interface and a hydrogen lock barrel, which are arranged in front of the water outlet, and part of the part of the hydrogen-containing water is transmitted to the water outlet through the third three-way interface, and another part of the part of the hydrogen-containing water is transported to the hydrogen lock barrel.

22. According to the system of claim 21, an air bag is provided in the hydrogen lock barrel, and the air bag is squeezed by the hydrogen-rich water and undissolved hydrogen flowing into the hydrogen lock barrel. When the pressure reaches a threshold, the hydrogen-rich water is squeezed back into the passage and transported to the outlet, or when the time reaches a threshold, the hydrogen-rich water is discharged.

23. A device for preparing hydrogen-rich water, characterized in that: The device comprises a device housing and the system according to any one of claims 12 to 22.

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