CN212451655U

CN212451655U - Hydrogen generating device

Info

Publication number: CN212451655U
Application number: CN202020457770.XU
Authority: CN
Inventors: 王晗玥; 韩天航; 王乾宇; 韩玉松; 王万林
Original assignee: Huaxia Hydrogen Valley Energy Technology Xiamen Co ltd
Current assignee: Xiamen Xiangtianrun Hydrogen Technology Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-02
Anticipated expiration: 2030-04-01

Abstract

The utility model provides a hydrogen generating device, including a box and install a main water tank in the box, a delivery pipe, a drain valve, oxyhydrogen gas produces the module, a hydrogen pipe, an oxygen hose, a power supply unit, and a expansion tank, main water tank and expansion tank are used for holding pure water, preset the highest water level line, delivery pipe connection main water tank and oxyhydrogen gas produces the module, introduce the pure water of main water tank into oxyhydrogen gas and produce the module, oxyhydrogen gas produces the module and contains a positive pole unit, a negative pole unit, and a proton membrane unit that sets up between positive pole unit and negative pole unit, generate hydrogen and oxygen through electrochemical reaction, the hydrogen that produces is used for people, hydroxyl radical and nitrous acid anion in the neutralization human body, play anti-oxidant effect; the utility model discloses can also produce the structure of proton membrane unit in the module through changing oxyhydrogen to the formation volume of control hydrogen satisfies the demand of people to hydrogen.

Description

Hydrogen generating device

Technical Field

The utility model relates to a water treatment field, in particular to device for treating water and generating hydrogen.

Background

After the last 70 th century, researches have found that hydrogen has antioxidant and anti-inflammatory effects in animals and human bodies, and hydrogen is dissolved in liquid to selectively neutralize hydroxyl radicals and nitrite anions in the bodies, and the hydroxyl radicals and the nitrite anions are the most important media for oxidative damage.

At present, 63 animal disease models and 6 human diseases are proved to be treated by hydrogen, some human diseases including Parkinson's disease are currently clinically researched, and good results are obtained, and hydrogen can selectively neutralize strong toxic active oxygen hydroxyl free radicals and nitrite anions and has a broad anti-oxidation effect; hydrogen can regulate gene expression; hydrogen has a signal conditioning effect.

There are many ways of producing hydrogen in the prior art, including: fossil fuel reforming, decomposition, photolysis, or water electrolysis, among others. The hydrogen production by water electrolysis is that under the action of direct current, water molecules are dissociated into hydrogen and oxygen through an electrochemical process, and the hydrogen and oxygen are separated out at the cathode and the anode respectively. The electrolysis method can be divided into alkaline water electrolysis, proton exchange membrane water electrolysis and solid oxide water electrolysis according to different diaphragms.

The prior art of application No. CN200910206394.5 relates to a high pressure proton exchange membrane based water electrolyzer system that may include a series of Proton Exchange Membrane (PEM) cells that may be electrically coupled together and to a proton exchange membrane to form a Membrane Electrode Assembly (MEA) that is spirally wound on a conductive center post, wherein the innermost PEM cell of the MEA may be electrically connected with the conductive center post or center electrode, and wherein the outermost PEM cell of the MEA may be electrically coupled to a pressure vessel cylinder or outer electrode. Each PEM cell may include an anode portion and a cathode portion separated by portions of the PEM membrane. Additionally, an impermeable separator layer may also be spirally wound around the conductive center post and separate the wound portions of the PEM core.

The prior art with the application number of CN201911112904.2 relates to a PBI proton exchange membrane electrolysis module and a seawater electrolysis hydrogen production device. The PBI proton exchange membrane electrolytic module comprises five layers from bottom to top, namely a PTFE waterproof membrane layer, a cathode catalysis membrane layer, a gas diffusion layer, a PBI proton exchange membrane layer, an anode catalysis membrane layer and a gas diffusion layer, wherein the PBI proton exchange membrane layer is a phosphoric acid doped PBI (polybenzimidazole) proton membrane with the tolerance temperature of 150-250 ℃. The seawater electrode device comprises a shell and a flat tube type hydrogen tube arranged in the shell, wherein an opening with a downward opening direction is formed in the side wall of the flat tube type hydrogen tube along the length direction; the PBI proton exchange membrane electrolysis module is arranged at the opening and is matched with the opening. Solves the problems of chlorine evolution, corrosion of seawater to electrodes and catalysts and poor long-term stability in the prior art when seawater is electrolyzed to produce hydrogen.

The prior art with the application number of CN201910464582.1 relates to a proton exchange membrane water electrolysis tank, including proton exchange membrane, negative pole catalysis layer, positive pole catalysis layer, negative pole diffusion layer and positive pole diffusion layer, negative pole catalysis layer and positive pole catalysis layer spray respectively in proton exchange membrane both sides, form the membrane electrode of trinity structure, membrane electrode mounting is in the middle part of intermediate basal plate, the both sides branch of intermediate basal plate is equipped with negative pole flow field board and positive pole flow field board, the left end of negative pole flow field board is equipped with left epoxy board, the right-hand member of positive pole flow field board is equipped with right epoxy board, the middle part of left side epoxy board and right epoxy board all inlays and is equipped with the current collector, the left end board, left side epoxy board, the negative pole, intermediate basal plate, positive pole field flow board, be equipped with communicating gas-. The invention can improve the electrolysis efficiency, reduce the current loss, reduce the quality and the volume of the water electrolyzer, reduce the assembly difficulty and prolong the service life of the water electrolyzer.

The above information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen generates device.

According to the utility model provides a pair of hydrogen generating device, include a box and install a main tank, a delivery pipe, a drain valve, oxyhydrogen gas production module, a hydrogen pipe, an oxygen pipe, a power supply unit and a expansion tank in the box, its characterized in that:

the main water tank and the auxiliary water tank are used for containing pure water and have a preset highest water level line;

the water supply pipe is connected with the main water tank and the oxyhydrogen gas generation module, and the pure water of the main water tank is led into the oxyhydrogen gas generation module;

the oxyhydrogen gas generation module comprises a positive electrode unit, a negative electrode unit and a proton membrane unit arranged between the positive electrode unit and the negative electrode unit, and generates hydrogen gas and oxygen gas through electrochemical reaction;

one end of the hydrogen pipe is connected to the negative electrode unit, and the other end of the hydrogen pipe extends into the auxiliary water tank, so that hydrogen generated by the oxyhydrogen gas generation module is guided into the auxiliary water tank;

one end of the oxygen pipe is connected to the anode unit, and the other end of the oxygen pipe extends into the main water tank, so that oxygen generated by the oxyhydrogen generation module is guided into the main water tank;

the auxiliary water tank is provided with an air outlet which is arranged above the highest water level line;

and the power supply unit is electrically connected to the oxyhydrogen gas generation module and provides direct current power required by the electrochemical reaction of the oxyhydrogen gas generation module.

Preferably, in the above technical solution, the proton membrane unit includes a plurality of proton membranes and a plurality of electrically disconnected metal separators, and any one of the metal separators is disposed between two adjacent proton membranes.

Preferably, in the above technical solution, the water dispenser further includes a drain valve disposed near a bottom of any one of the main tank and the sub tank.

Preferably, in the above technical solution, a communication pipe is further included to connect the sub tank and the main tank.

Preferably, in the above technical scheme, the hydrogen pipe extends into one end of the auxiliary water tank and is provided with a downward bent U-shaped port, so that pure water in the auxiliary water tank is prevented from flowing backwards into the hydrogen pipe; the oxygen hose stretches into the one end of main water tank, has a U type port of buckling downwards, avoids the pure water of main water tank to flow backward to get into in the oxygen hose.

Preferably, in the above technical solution, the main water tank further includes a filler and a water lid disposed above the highest water level line, and the water lid is used for opening and closing the filler.

Preferably, in the above technical solution, the main water tank further comprises an air discharging device disposed above the highest water level line.

Preferably, in the above technical solution, the water supply pipe is disposed near the bottom of the main water tank.

Preferably, in the above technical solution, the power supply unit includes an ac/dc transformer.

Preferably, in the above technical solution, the power supply unit includes a lithium battery.

Compared with the prior art, the utility model discloses following beneficial effect has: the hydrogen generating device provided by the utility model can control the structure of the molecular exchange membrane according to the demand, thereby controlling the generation amount of hydrogen, and consuming less energy while controlling the generation amount of hydrogen; the generated hydrogen can also neutralize the hydroxyl free radicals and nitrite anions in the body, and plays a role in resisting oxidation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of a proton membrane unit;

fig. 3 is a structural change diagram of a proton membrane unit.

100-oxyhydrogen gas generation module, 110-hydrogen pipe, 111-U-shaped port corresponding to hydrogen pipe, 121-U-shaped port corresponding to oxygen pipe, 120-oxygen pipe, 101-auxiliary pole unit, 102-anode unit, 103-proton membrane unit, 103A-proton membrane, 103B-metal partition plate, 200-main water tank, 220-water filling port, 230-water cover, 240-exhaust device, 300-power supply unit, 400-auxiliary water tank, 430-communicating pipe, 500-box body, 510-water supply pipe, 530-drain valve, 624-highest water level line,

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Example 1

As shown in fig. 1, a hydrogen generating apparatus according to the present invention includes a housing 500, and a main water tank 200, a water supply pipe 500, a drain valve 530, an oxyhydrogen gas generation module 100, a hydrogen pipe 110, an oxygen pipe 120, a power supply unit 300, and an auxiliary water tank 400 installed in the housing 500, the main water tank 200 and the auxiliary water tank 400 being for accommodating pure water, having a preset maximum water level 624; the pure water without other impurities added in the main water tank 200 and the auxiliary water tank 400 of the utility model is to prevent the oxyhydrogen gas generation module 100 from being influenced by other impurities in water when reacting, and improve the purity of hydrogen; the preset highest water level line is used for controlling the water quantity and preventing the excessive water quantity from overflowing out of the water tank.

The water supply pipe 500 connects the main water tank 200 and the oxyhydrogen gas generation module 100, and guides pure water of the main water tank 200 into the oxyhydrogen gas generation module 100;

the oxyhydrogen gas generation module 100 includes a positive electrode unit 102, a negative electrode unit 101, and a proton membrane unit 103 disposed between the positive electrode unit 102 and the negative electrode unit 101, and generates hydrogen gas and oxygen gas through electrochemical reaction; the proton membrane unit 103 plays a role in gas isolation and ion conduction, water is decomposed into oxygen, hydrogen ions and electrons through an electrochemical reaction at the positive electrode by the positive electrode unit 102, the hydrogen ions generated at the positive electrode pass through the proton membrane unit 103 in the form of hydronium ions, and the hydrogen gas is generated through an electrochemical reaction with the transported electrons at the negative electrode unit 101.

One end of the hydrogen pipe 110 is connected to the cathode unit 101, and the other end thereof extends into the sub-tank 400, so that hydrogen generated by the oxyhydrogen gas generation module 100 is introduced into the sub-tank 400;

one end of the oxygen tube 120 is connected to the anode unit 102, and the other end thereof extends into the main water tank 200, so as to guide oxygen generated by the oxyhydrogen gas generation module 100 into the main water tank 200;

the subtank 400 has an air outlet 410, and the air outlet 410 is disposed above the highest water level 624;

the power supply unit 300 is electrically connected to the oxyhydrogen gas generation module 100, and provides direct current power required for the electrochemical reaction of the oxyhydrogen gas generation module 100.

Example 2

The proton membrane unit 103 includes a plurality of proton membranes 103A and a plurality of electrically disconnected intermetallic separators 103B, and any one of the intermetallic separators 103B is disposed between two adjacent proton membranes 103A. In order to make the proton membrane and water generate hydrogen and oxygen through electrochemical reaction, the power supply unit at least needs to provide voltage and current of 1.5V and above 10A for the proton membrane. In addition to the complicated circuit structure, the safety factor of the complicated circuit structure is low and the manufacturing cost is high. The utility model discloses a solve this technical problem, arrange a plurality of proton membranes and a plurality of intermetallic baffles combination that do not connect the electricity and constitute proton membrane unit, the structure of similar series connection makes its whole impedance increase, alright in order to choose for use general power supply unit. For example, if 16 proton membranes 103A are used and 15 intermetallic spacers 103B are sandwiched therebetween to form 16 proton membrane units combined into a proton membrane unit 103, a common 24V dc power supply is used as the power supply unit. When the hair grows, the voltage is increased and the current is reduced, the requirement of the current and the voltage can be met by utilizing the common circuit structure, in addition, the utility model discloses can also increase or reduce the area of proton membrane and metal interval, adjust the generation amount of hydrogen.

The present invention further includes a drain valve 530 disposed near the bottom of any one of the main tank 200 and the subtank 400, and used to drain excess water from the main tank 200 and the subtank 400 when the main tank 200 and the subtank 400 need to be cleaned.

The utility model discloses further include a communicating pipe 430, connect expansion tank 400 and main tank 200, can make water level between them keep balance.

Preferably, the hydrogen pipe 110 extends into one end of the auxiliary water tank 400, and has a U-shaped port 111 bent downward to prevent pure water in the auxiliary water tank 400 from flowing backward into the hydrogen pipe 110; the oxygen hose 120 extends into one end of the main water tank 200 and has a U-shaped port 121 bent downward to prevent pure water in the main water tank 200 from flowing backward into the oxygen hose 120.

The main tank 200 further includes a filler 220 and a cover 230 disposed above the highest water level 624, the cover 230 being used to open and close the filler 220.

The main tank 200 further includes a vent 240 disposed above the highest water level line 624.

Preferably, the water supply pipe 500 is disposed near the bottom of the main water tank 200, so that the water in the main water tank 200 can be used only for the proton membrane unit 103.

Preferably, the power supply unit 300 comprises an ac/dc transformer, which converts ac power into dc power required by the proton membrane unit 103 when in use by connecting to the commercial power.

Preferably, the power supply unit 300 may further include a lithium battery, and when the proton membrane unit 103 is not used, the dc power is pre-stored for subsequent use of the proton membrane unit 103.

An operator adds pure water into the main water tank 200 and the sub-water tank 400 through the water adding port 220, the pure water submerges the main water tank 200 and the sub-water tank 400 but cannot exceed a preset highest water level 624, water in the main water tank 200 flows into the oxyhydrogen gas generation module 100 through the water supply pipe 500, the oxyhydrogen gas generation module 100 generates electrochemical reaction under the action of power supplied by the power supply unit 300, the water is decomposed into oxygen, hydrogen ions and electrons through the electrochemical reaction of the anode unit 102 at the anode, the oxygen generated at the anode is discharged into the main water tank 200 through the oxygen pipe 120 and then discharged through the gas discharge device 240, the hydrogen ions generated at the anode pass through the proton membrane unit 103 in the form of hydronium ions, the proton membrane unit 103 plays roles of isolating gas and ion conduction, and the electrochemical reaction is generated with the transported electrons at the cathode unit 101 to generate hydrogen, hydrogen generated at the negative electrode is introduced into the sub-tank 400 through the hydrogen pipe 110, and then discharged through the gas outlet 410 for use by a user.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A hydrogen generating apparatus comprising a tank (500), and a main water tank (200), a water supply pipe (510), a drain valve (530), an oxyhydrogen gas generation module (100), a hydrogen pipe (110), an oxygen pipe (120), a power supply unit (300), and an auxiliary water tank (400) provided in the tank (500), characterized in that:

the main water tank (200) and the auxiliary water tank (400) are used for containing pure water and are provided with a preset highest water level line (624);

the water supply pipe (510) is connected with the main water tank (200) and the oxyhydrogen gas generation module (100) and guides pure water in the main water tank (200) into the oxyhydrogen gas generation module (100);

the oxyhydrogen gas generation module (100) comprises a positive electrode unit (102), a negative electrode unit (101), and a proton membrane unit (103) arranged between the positive electrode unit (102) and the negative electrode unit (101) and generates hydrogen gas and oxygen gas through electrochemical reaction;

one end of the hydrogen pipe (110) is connected to the negative electrode unit (101), and the other end of the hydrogen pipe extends into the auxiliary water tank (400), so that hydrogen generated by the oxyhydrogen gas generation module (100) is introduced into the auxiliary water tank (400);

one end of the oxygen pipe (120) is connected to the positive electrode unit (102), the other end of the oxygen pipe extends into the main water tank (200), and oxygen generated by the oxyhydrogen gas generation module (100) is guided into the main water tank (200);

the auxiliary water tank (400) is provided with an air outlet (410), and the air outlet (410) is arranged above the highest water level line (624);

the power supply unit (300) is electrically connected to the oxyhydrogen gas generation module (100) and provides direct current power required by the electrochemical reaction of the oxyhydrogen gas generation module (100).

2. A hydrogen generation device in accordance with claim 1, wherein: the proton membrane unit (103) includes a plurality of proton membranes (103A) and a plurality of electrically disconnected metal spacers (103B), and any one of the metal spacers (103B) is disposed between two adjacent proton membranes (103A).

3. A hydrogen generation device in accordance with claim 2, wherein: the drain valve (530) is disposed near a bottom of either one of the main tank (200) and the sub tank (400).

4. A hydrogen generation device in accordance with claim 2, wherein: further includes a connection pipe (430) for connecting the sub tank (400) and the main tank (200).

5. A hydrogen generation device in accordance with claim 2, wherein: the hydrogen pipe (110) extends into one end of the auxiliary water tank (400) and is provided with a U-shaped first port (111) bent downwards, so that pure water in the auxiliary water tank (400) is prevented from flowing backwards into the hydrogen pipe (110); the oxygen pipe (120) extends into one end of the main water tank (200) and is provided with a U-shaped second port (121) bent downwards, so that pure water in the main water tank (200) is prevented from flowing backwards into the oxygen pipe (120).

6. A hydrogen generation device in accordance with claim 2, wherein: the main water tank (200) further comprises a filler (220) and a water cover (230) disposed above the highest water level line (624), the water cover (230) being used for opening and closing the filler (220).

7. A hydrogen generation device in accordance with claim 2 or 6, characterized in that: the main tank (200) further includes a vent (240) disposed above the highest water level (624).

8. A hydrogen generation device in accordance with claim 2, wherein: the water supply pipe (510) is disposed near the bottom of the main water tank (200).

9. A hydrogen generation device in accordance with claim 2, wherein: the power supply unit (300) comprises an AC/DC transformer.

10. A hydrogen generating apparatus according to claim 2 or 9, wherein: the power supply unit (300) comprises a lithium battery.