CN219547112U - An electrolyzer for electrolyzing water to produce hydrogen - Google Patents

Abstract

The utility model relates to an electrolytic tank for producing hydrogen by electrolyzing water, which comprises an inner tank body, wherein an outer tank body is arranged outside the inner tank body, a recovery cavity is reserved between the inner tank body and the outer tank body, a supporting plate for supporting the inner tank body is arranged inside the outer tank body, a liquid inlet pipe is arranged on the inner tank body, overflow holes are formed in two side walls of the inner tank body, and sliding assemblies are arranged on two side walls of the inner tank body. According to the utility model, the sliding component moves up and down along with the lifting of the electrolyte liquid level, is abutted against the pressure sensor positioned at the upper position and the lower position, and starts the corresponding buzzer to sound through the controller, so that a worker is accurately reminded of adding or stopping delivering electrolyte, the operation is convenient, the overflow hole can discharge redundant electrolyte in the inner tank into the recovery cavity, and the electrolyte is recovered through the recovery component and is delivered back to the inner tank for recycling, so that the evaporation capacity is reduced, waste is avoided, and the safety is improved.

Description

An electrolyzer for electrolyzing water to produce hydrogen

technical field

The utility model belongs to the technical field of electrolyzers, in particular to an electrolyzer for hydrogen production by electrolyzing water.

Background technique

The technology of hydrogen production by electrolysis of water is mature, the process is simple, and the gas purity is high. It is currently the only method of hydrogen production that can be connected with renewable energy, so it is widely used. In the existing technology, electrolysis for hydrogen production by electrolysis of water The tank is generally composed of tank body, cathode and anode electrodes, ion exchange membrane and various conveying pipelines.

However, in the prior art, there are the following problems in electrolyzers used for electrolyzing water to produce hydrogen: when there is too much or too little electrolyte in the tank, it is difficult to accurately remind the staff to perform timely operations to adjust the amount of electrolyte, and overflow It is difficult to fully recover the electrolyte, and the amount of evaporation is large, there is waste, and the safety is low.

Utility model content

The purpose of this utility model is to provide an electrolytic cell for electrolyzing water to produce hydrogen in order to solve the above problems. It is difficult to accurately remind the staff to perform timely operations to adjust the amount of electrolyte, and the overflowed electrolyte is difficult to fully recover, the amount of evaporation is large, there is waste, and the safety is low.

The utility model realizes above-mentioned purpose through following technical scheme:

An electrolytic cell for electrolyzing water to produce hydrogen, comprising an inner cell body, an outer cell body is provided outside the inner cell body, a recovery cavity is left between the inner cell body and the outer cell body, and the outer cell body The inside is provided with a support plate for supporting the inner tank body, the inner tank body is provided with a liquid inlet pipe, and overflow holes are opened on both side walls of the inner tank body, and both sides of the inner tank body are provided with overflow holes. A sliding assembly is provided, pressure sensors are arranged on both sides of the inner tank body above and below the overflow hole, the pressure sensors are connected to a controller, and the controller is connected to at least four buzzers. A recovery component is arranged between the inner tank body and the outer tank body;

The sliding assembly includes a floating plate slidingly connected to the inner wall of the inner tank through a sliding piece, and abutting plates respectively arranged on the top and bottom of the floating plate;

The recovery assembly includes a net plate arranged on the support plate, a recovery pipe arranged at the bottom of the outer tank body connected to the liquid inlet pipe through a three-way joint, and a recovery pump arranged on the recovery pipe.

As a further optimization scheme of the present utility model, the signal output end of the pressure sensor is connected with the signal input end of the controller, the signal output end of the controller is connected with the signal input end of the buzzer, and the pressure sensor One-to-one correspondence with the buzzer.

As a further optimization scheme of the utility model, the bottom of the outer tank body is funnel-shaped, the middle part of the floating plate is convex, and the recovery pipe is provided with a first control valve at the input end of the recovery pump. A second control valve is arranged at the input end of the three-way joint on the liquid pipe.

As a further optimization solution of the present utility model, the sliding part includes sliders arranged on the front and rear sides of the floating plate and on the side where the floating plate fits with the inner wall of the inner tank body, and provided on the inner wall of the inner tank for sliding The chute on which the blocks slide.

As a further optimization scheme of the present utility model, an ion exchange membrane is provided inside the inner tank body, two electrodes are arranged inside the inner tank body, the ion exchange membrane is located between the two electrodes, and the ion exchange membrane Located between two overflow holes.

As a further optimization scheme of the present invention, at least one reinforcement ring is provided between the inner tank body and the outer tank body, and the reinforcement ring includes two annular rings respectively arranged on the outer wall of the inner tank and the inner wall of the outer tank. Plate, several connecting blocks arranged between two annular plates.

As a further optimization scheme of the present utility model, gas collection pipes are arranged on both sides of the ion exchange membrane on the inner tank body, a liquid discharge pipe is provided on the inner tank body, and a gas collection pipe and a liquid discharge pipe are arranged on the inner tank body. All are equipped with a third control valve.

As a further optimization solution of the present invention, a base is provided at the bottom of the outer tank body.

The beneficial effects of the utility model are:

1) In the utility model, the sliding assembly moves up and down with the rise and fall of the electrolyte liquid level, presses against the pressure sensor located at the upper and lower positions, and activates the corresponding buzzer through the controller to sound, thereby accurately reminding the staff to add or Stop transporting the electrolyte, easy to operate, and the overflow hole can discharge the excess electrolyte inside the inner tank to the recovery chamber, and recover it through the recovery component and transport it back to the inner tank for recycling, fully recover and reduce evaporation. No waste and increased safety;

2) In the utility model, an outer tank is provided outside the inner tank to protect the inner tank through the outer tank, and the connection stability between the inner tank and the outer tank is increased through a reinforcing ring for ease of use.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a sectional view of the inner tank body and the outer tank body of the present invention.

Fig. 3 is a side view of the sliding assembly of the present invention.

Fig. 4 is a top view of the reinforcing ring of the present invention.

In the figure: 1. Inner tank body; 2. Outer tank body; 3. Support plate; 4. Electrode; 5. Ion exchange membrane; 6. Overflow hole; 7. Floating plate; 8. Slider; 9. Chute ; 9, elastic support member; 91, support tube; 92, spring; 93, support column; 10, arrival plate; 11, pressure sensor; 12, buzzer; Pump; 16, liquid inlet pipe; 17, gas collection pipe; 18, liquid discharge pipe; 19, reinforcement ring; 191, annular plate; 192, connection block; 20, base; 21, controller.

Detailed ways

The application will be described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific embodiments are only used to further illustrate the application, and cannot be interpreted as limiting the protection scope of the application. The above application content makes some non-essential improvements and adjustments to this application.

As shown in Figures 1-4, an electrolyzer for producing hydrogen by electrolyzing water includes an inner tank body 1, an outer tank body 2 is arranged on the outside of the inner tank body 1, and the inner tank body 1 and the outer tank body 2, there is a recovery cavity, and the outer tank body 2 is provided with a support plate 3 for supporting the inner tank body 1, and the inner tank body 1 is provided with a liquid inlet pipe 16, and the inner tank body 1 on both sides Overflow holes 6 are opened on the walls, sliding assemblies are provided on both side walls of the inner tank body 1, and pressure sensors 11 are arranged on the upper and lower sides of the overflow hole 6 on both side walls of the inner tank body 1 , the pressure sensor 11 is connected to a controller 21, the controller 21 is connected to at least four buzzers 12, and a recovery assembly is arranged between the inner tank body 1 and the outer tank body 2;

The sliding assembly includes a floating plate 7 slidingly connected to the inner wall of the inner tank body 1 through a sliding member, and abutting plates 10 respectively arranged on the top and bottom of the floating plate 7;

The recovery assembly includes a mesh plate 13 on the support plate 3 , a recovery pipe 14 connected to the liquid inlet pipe 16 at the bottom of the outer tank 2 through a three-way joint, and a recovery pump 15 on the recovery pipe 14 .

Further, the signal output end of the pressure sensor 11 is connected to the signal input end of the controller 21, the signal output end of the controller 21 is connected to the signal input end of the buzzer 12, and the pressure sensor 11 is connected to the signal input end of the buzzer 12. The buzzers 12 are in one-to-one correspondence.

Further, the bottom of the outer tank body 2 is funnel-shaped, the middle part of the floating plate 7 is convex, and the recovery pipe 14 is provided with a first control valve at the input end of the recovery pump 15. The liquid inlet pipe 16 is located at the input end of the three-way joint and is provided with a second control valve. The bottom of the outer tank body 2 is set in a funnel shape in order to better collect the overflowed electrolyte, so as to be recycled to the inside of the inner tank body 1 .

When in use, the electrolyte solution is input into the inner tank body 1 through the liquid inlet pipe 16, and the floating plate 7 will move with the liquid level under the buoyancy of the electrolyte liquid. At this time, the counter plate 10 at the top of the floating plate 7 presses against the pressure sensor 11 located above, and the pressure sensor 11 will send the detected pressure value to the controller 21. When the pressure received by the pressure sensor 11 reaches the target setting value, the controller 21 will control the buzzer 12 corresponding to the pressure sensor 11 to sound, so as to remind the staff not to input the electrolyte, wherein the excess electrolyte will flow out from the overflow hole 6, With the occurrence of the electrolysis reaction, under the premise of not supplementing the electrolyte, the electrolyte in the inner tank 1 will become less and less, and the floating plate 7 will also drop as the liquid level drops. The supporting plate 10 presses against the pressure sensor 11 located below, and the pressure sensor 11 will send the detected pressure value to the controller 21, and when the pressure received by the pressure sensor 11 reaches the target set value, the controller 21 will Control the buzzer 12 corresponding to the pressure sensor 11 to sound, so as to remind the staff not to input the electrolyte, and perform specific operations according to the sound of the buzzer 12, the operation is more convenient, and the liquid inlet pipe 16 is closed Open the second control valve on the recovery pipe 14, start the recovery pump 15, then the electrolyte in the recovery chamber between the inner tank body 1 and the outer tank body 2 can be transported back to the inner tank body 1 The internal cycle is used. In the utility model, the sliding assembly moves up and down with the rise and fall of the electrolyte liquid level, presses against the pressure sensor 11 located at the upper and lower positions, and starts the corresponding buzzer to sound through the controller 21, thereby accurately reminding the work It is convenient for personnel to add or stop transporting the electrolyte, and the overflow hole 6 can discharge the excess electrolyte inside the inner tank 1 into the recovery chamber, and recover it through the recovery component and transport it back to the inner tank 1 for recycling. Full recovery, less evaporation, no waste and increased safety.

Further, the sliders include sliders 8 located on the front and rear sides of the floating plate 7 and on the side where the floating plate 7 fits with the inner side wall of the inner tank body 1, provided on the inner wall of the inner tank body 1 for the sliders to 8 sliding chute 9, through the slider 8 and the chute 9 limit the range of movement of the floating plate 7, butt plate 10.

In this embodiment, the inner tank body 1 is provided with an ion exchange membrane 5, and the inner tank body 1 is provided with two electrodes 4, and the ion exchange membrane 5 is located between the two electrodes 4. The ion exchange membrane 5 is located between the two overflow holes 6, one of the electrodes 4 is the anode electrode, and the other electrode 4 is the cathode electrode. The reaction intensity of the anode electrode and the cathode electrode is different, so overflow holes are set on both sides. Hole 6.

In this embodiment, at least one reinforcement ring 19 is provided between the inner tank body 1 and the outer tank body 2, and the reinforcement ring 19 includes two rings respectively arranged on the outer wall of the inner tank body 1 and the inner wall of the outer tank body 2. The upper annular plate 191 and several connecting blocks 192 arranged between the two annular plates 191 strengthen the stability between the inner tank body 1 and the outer tank body 2 through the reinforcement ring 19 .

In this embodiment, the inner tank body 1 is provided with gas collection pipes 17 on both sides of the ion exchange membrane 5, the inner tank body 1 is provided with a drain pipe 18, and the gas collection pipe 17 and the drain pipe The third control valve is provided on the liquid pipe 18, the gas collection pipe 17 is used to output gas, and the two gas collection pipes 17 are respectively used to output hydrogen and oxygen, and the gas collection pipe 17 for outputting hydrogen is connected with the outside world. The hydrogen gas collection device is connected, and the gas collection pipeline 17 for transporting oxygen is connected with an external oxygen collection device.

In this embodiment, a base 20 is provided at the bottom of the outer tank body 2 , and the outer tank body 2 is supported by the base 20 .

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

Claims (8)

1. An electrolytic tank for producing hydrogen by electrolyzing water, which comprises an inner tank body (1), and is characterized in that: the novel water heater is characterized in that an outer groove body (2) is arranged outside the inner groove body (1), a recovery cavity is reserved between the inner groove body (1) and the outer groove body (2), a supporting plate (3) for supporting the inner groove body (1) is arranged inside the outer groove body (2), a liquid inlet pipe (16) is arranged on the inner groove body (1), overflow holes (6) are formed in two side walls of the inner groove body (1), sliding components are arranged on the two side walls of the inner groove body (1), pressure sensors (11) are arranged on the two side walls of the inner groove body (1) and are arranged on the upper side and the lower side of the overflow holes (6), the pressure sensors (11) are connected with a controller (21), and the controller (21) is connected with at least four buzzers (12), and recovery components are arranged between the inner groove body (1) and the outer groove body (2);

the sliding assembly comprises a floating plate (7) which is in sliding connection with the inner wall of the inner tank body (1) through a sliding piece, and a retaining plate (10) which is respectively arranged at the top and the bottom of the floating plate (7);

the recovery assembly comprises a screen plate (13) arranged on the supporting plate (3), a recovery pipe (14) arranged at the bottom of the outer groove body (2) and connected with the liquid inlet pipe (16) through a three-way joint, and a recovery pump (15) arranged on the recovery pipe (14).

2. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: the signal output end of the pressure sensor (11) is connected with the signal input end of the controller (21), the signal output end of the controller (21) is connected with the signal input end of the buzzer (12), and the pressure sensor (11) corresponds to the buzzer (12) one by one.

3. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: the bottom of the outer tank body (2) is funnel-shaped, the middle part of the floating plate (7) is convex, the input end of the recovery pump (15) positioned on the recovery pipe (14) is provided with a first control valve, and the input end of the liquid inlet pipe (16) positioned on the three-way joint is provided with a second control valve.

4. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: the sliding piece comprises sliding blocks (8) arranged on the front side and the rear side of the floating plate (7) and on one side, which is attached to the inner side wall of the inner groove body (1), of the floating plate (7), and sliding grooves (9) which are formed in the inner wall of the inner groove body (1) and used for the sliding blocks (8) to slide.

5. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: the ion exchange membrane (5) is arranged in the inner tank body (1), two electrodes (4) are arranged in the inner tank body (1), the ion exchange membrane (5) is located between the two electrodes (4), and the ion exchange membrane (5) is located between the two overflow holes (6).

6. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: at least one reinforcing ring (19) is arranged between the inner tank body (1) and the outer tank body (2), the reinforcing ring (19) comprises two annular plates (191) which are respectively arranged on the outer wall of the inner tank body (1) and the inner wall of the outer tank body (2), and a plurality of connecting blocks (192) which are arranged between the two annular plates (191).

7. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: the ion exchange membrane is characterized in that gas collecting pipelines (17) are arranged on two sides of the ion exchange membrane (5) on the inner tank body (1), a liquid discharge pipe (18) is arranged on the inner tank body (1), and third control valves are arranged on the gas collecting pipelines (17) and the liquid discharge pipe (18).

8. An electrolyzer for the production of hydrogen by electrolysis of water according to claim 1, characterized in that: the bottom of the outer groove body (2) is provided with a base (20).