Water tank for hydrogen production system

Abstract

The utility model belongs to the electrolytic water hydrogen production technical field, concretely relates to a water tank for hydrogen production system, including water tank main part, and the baffle that sets in its inside, the baffle will the inside of water tank main part be divided into upper chamber and lower chamber that are connected in succession up and down, lower chamber communicates hydrogen production system and hydrogen production system's oxygen outlet, and the hydrogen detection equipment and exhaust equipment that communicate upper chamber are installed on water tank main part, the bottom surface of baffle is connected with the exhaust pipe that extends into lower chamber and communicates upper chamber, and water guide channel is still set up between the inner wall of lower chamber and exhaust pipe and is axially spiral, the utility model discloses a water tank main part is connected to the oxygen outlet of hydrogen production system, through the exhaust pipe and water guide channel that set up in water tank main part, after the mixture of oxygen and water gas enters the lower chamber of water tank, water gas will gather on the inner wall of lower chamber and water guide channel, and finally through the flow guide of water guide channel and enter hydrogen production system again to carry out recycling.

Description

Technical Field

[0001] This utility model belongs to the field of water electrolysis hydrogen production technology, specifically relating to a water tank for a hydrogen production system. Background Technology

[0002] Hydrogen production by water electrolysis is a relatively convenient method. Direct current is passed through an electrolytic cell filled with electrolyte, and water molecules undergo an electrochemical reaction at the electrodes, decomposing into hydrogen and oxygen.

[0003] Because the electrolysis process generates heat, the temperature inside the electrolytic cell rises. As a result, when oxygen is discharged from the oxygen side of the electrolytic cell, water vapor is also released. This water vapor can damage the hydrogen detection equipment located at the end of the oxygen side discharge, thereby affecting the safe operation of the entire system. At the same time, the discharged water vapor also causes a certain amount of resource waste.

[0004] In view of this, the present invention provides a water tank for a hydrogen production system to solve the above problems. Utility Model Content

[0005] To achieve the above objectives, the present invention provides the following technical solution: a water tank for a hydrogen production system, comprising a water tank body, wherein a partition is provided inside the water tank body, the partition dividing the interior of the water tank body into an upper chamber and a lower chamber that are connected vertically;

[0006] The lower chamber is connected to the hydrogen production system and the oxygen outlet of the hydrogen production system. The main body of the water tank is equipped with a hydrogen detection device and an exhaust device that are connected to the upper chamber. The detection end of the hydrogen detection device is located at the connection between the upper chamber and the lower chamber.

[0007] The bottom surface of the partition is axially connected to an exhaust pipe that extends into the lower chamber and communicates with the upper chamber. A water guiding channel is also axially arranged between the inner wall of the lower chamber and the exhaust pipe.

[0008] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the upper chamber is provided with a diaphragm for gas-liquid separation. The diaphragm divides the upper chamber into a first isolation chamber and a second isolation chamber connected to the exhaust pipe.

[0009] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the hydrogen detection equipment and the exhaust equipment are connected to the first isolation chamber.

[0010] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the bottom of the lower chamber is provided with a drain hole, and an inlet is also provided on its periphery. The lower chamber is connected to the hydrogen production system and the oxygen outlet of the hydrogen production system through the drain hole and the inlet, respectively.

[0011] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the top of the water tank body is provided with a first mounting hole for installing an exhaust device and a second mounting hole for installing a hydrogen detection device.

[0012] In a preferred embodiment of the water tank for a hydrogen production system according to this utility model, the second mounting hole is coaxially arranged with the exhaust pipe.

[0013] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the surface of the main body of the water tank is covered with an outer shell, and a sound insulation layer is provided between the outer shell and the main body of the water tank.

[0014] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, a liquid level display device is also provided on the periphery of the lower chamber.

[0015] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the liquid level display device includes a connecting pipe that radially connects to the lower chamber and is arranged vertically, and a liquid level pipe connecting the connecting pipes.

[0016] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the top surface of the partition is an inclined surface that gradually descends from its edge towards the exhaust pipe axis.

[0017] As a preferred embodiment of the water tank in the hydrogen production system of this utility model, the surface of the liquid level tube is covered with a sleeve, and the surface of the sleeve has a viewing port extending along the axial direction of the liquid level tube.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] This invention connects a water tank to the oxygen outlet of a hydrogen production system. Through an exhaust pipe and water channel within the water tank, the mixture of oxygen and water vapor enters the lower chamber. The water vapor collects on the inner wall of the lower chamber and the water channel, eventually flowing back into the hydrogen production system for recycling. The oxygen, however, is detected by a hydrogen detection device and exhaust system installed in the upper chamber before being discharged. Because water vapor is separated during this process, no water vapor passes through the hydrogen detection device, thus preventing damage and ensuring the safe operation of the entire system. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective;

[0023] Figure 3 This is a three-dimensional cross-sectional structural diagram of the present invention;

[0024] Figure 4 This is a schematic diagram of the main cross-sectional structure of this utility model;

[0025] Figure 5 This is a structural diagram of the partition plate of this utility model when the top surface is inclined.

[0026] In the diagram: 1. Water tank body; 11. Upper chamber; 12. Lower chamber; 13. Inlet; 14. First mounting hole; 15. Second mounting hole; 16. Drain hole; 2. Baffle; 3. Vent pipe; 4. Water guide channel; 5. Diaphragm; 6. Liquid level display device; 61. Connecting pipe; 62. Liquid level pipe; 63. Pipe sleeve; 64. Viewing port; 7. Outer shell; 8. Sound insulation layer. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1:

[0029] This utility model relates to a water tank for a hydrogen production system, such as... Figures 1-5 As shown, the system includes a water tank body 1 and a partition 2 disposed inside it. The partition 2 divides the interior of the water tank body 1 into an upper chamber 11 and a lower chamber 12. An exhaust pipe 3 extending into the lower chamber 12 is axially connected to the bottom surface of the partition 2, and the top end of the exhaust pipe 3 is connected to the upper chamber 11 so that the upper and lower chambers are connected together. At the same time, a water guiding channel 4 is axially spirally wound between the inner wall of the lower chamber 12 and the exhaust pipe 3.

[0030] The lower chamber 12 has a drain hole 16 at its bottom and an inlet 13 on its periphery. The lower chamber 12 is connected to the hydrogen production system and its oxygen outlet via the drain hole 16 and inlet 13, respectively. The top of the water tank body 1 has a first mounting hole 14 and a second mounting hole 15 communicating with the upper chamber 11. An exhaust fan and a hydrogen detection device are installed on the top of the water tank body 1 and connected to the upper chamber 11 via the first mounting hole 14 and the second mounting hole 15, respectively, to discharge and detect gas entering the upper chamber 11. In this embodiment, the hydrogen detection device is a common hydrogen leak meter, and the exhaust fan is an exhaust fan.

[0031] In use, after the oxygen and water mixture is discharged from the oxygen outlet of the hydrogen production system, it enters the lower chamber 12 through inlet 13. The oxygen and water mixture flows along the water guide channel 4 through the operation of the exhaust device. The oxygen flows out of the end of the water guide channel 4 and enters the upper chamber 11 through the exhaust pipe 3. After being detected by the hydrogen detection device, it is discharged to the outside by the exhaust device. The water vapor gathers and condenses into water droplets on the inner wall of the lower chamber 12 and the surface of the water guide channel 4. After being guided by the water guide channel 4, it gathers at the bottom of the lower chamber 12 and is discharged into the hydrogen production system through the drain hole 16 for secondary recycling. This saves resources and reduces the impact of water vapor on the hydrogen detection device.

[0032] It should be noted that, in order to improve the detection accuracy of the hydrogen detection equipment and reduce the impact of the exhaust equipment on the hydrogen detection equipment, it is preferable to set the second mounting hole 15 coaxially with the exhaust pipe 3 so that the detection end of the hydrogen detection equipment is located at the connection between the upper chamber 11 and the lower chamber 12, that is, at the top of the exhaust pipe 3, so that oxygen can be detected by the hydrogen detection equipment at the same time it enters the upper chamber 11.

[0033] Secondly, an oxygen collection tank can also be connected to the external part of the emission equipment to collect oxygen for later use.

[0034] Example 2:

[0035] When the exhaust equipment is in operation, a small amount of water vapor may enter the upper chamber 11 along with oxygen and affect the hydrogen detection equipment. Therefore, based on the above embodiment 1, this embodiment further provides a diaphragm 5 for gas-liquid separation, such as a common hydrophobic membrane or molecular sieve membrane.

[0036] The diaphragm 5 is disposed inside the upper chamber 11 to divide the upper chamber 11 into a first isolation chamber and a second isolation chamber. The hydrogen detection device and the exhaust device are connected to the first isolation chamber, while the second isolation chamber is connected to the exhaust pipe 3. In use, when oxygen accompanied by water vapor passes through the exhaust pipe 3, it will preferentially enter the second isolation chamber. Under the action of the exhaust device, the oxygen will pass through the diaphragm 5 into the first isolation chamber for detection and then be discharged. The water vapor is isolated in the second isolation chamber by the diaphragm 5 and finally accumulates in the second isolation chamber before flowing into the bottom of the lower chamber 12 through the exhaust pipe 3.

[0037] In this embodiment, preferably, the top surface of the partition 2 can be designed as a slope that gradually descends from its edge towards the exhaust pipe 3, so that the moisture that accumulates in the second isolation chamber can be conveniently guided into the exhaust pipe 3 through the slope.

[0038] Example 3:

[0039] Based on the above-described Embodiment 1 or Embodiment 2, to facilitate the observation of the water accumulated in the lower chamber 12, this embodiment also provides a liquid level display device 6. This liquid level display device 6 is disposed around the periphery of the lower chamber 12 and includes a connecting pipe 61 radially communicating with the lower chamber 12 and arranged vertically, and a liquid level pipe 62 connecting the connecting pipe 61. The surface of the liquid level pipe 62 is provided with a water level scale. After water accumulates in the lower chamber 12, it can enter the liquid level pipe 62 through the connecting pipe 61. By observing the water level scale on the surface of the liquid level pipe 62, the water level in the lower chamber 12 can be easily observed.

[0040] Furthermore, the surface of the liquid level tube 62 is covered with a sleeve 63 for protecting the liquid level tube 62. The surface of the sleeve 63 has a viewing port 64 extending axially along the liquid level tube 62 to facilitate observation of the water level height scale value set on the surface of the liquid level tube 62.

[0041] Example 4:

[0042] Based on Embodiment 1, Embodiment 2 or Embodiment 3, this embodiment has an outer shell 7 wrapped around the surface of the water tank body 1, and a sound insulation layer 8 made of sound insulation material is provided between the outer shell 7 and the water tank body 1; in order to protect the water tank body 1, it also effectively reduces the generation of noise.

[0043] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A water tank for a hydrogen production system, comprising a water tank main body (1), characterized by: The water tank body (1) is provided with a partition (2) inside, which divides the interior of the water tank body (1) into an upper chamber (11) and a lower chamber (12) that are connected vertically. The lower chamber (12) is connected to the hydrogen production system and the oxygen outlet of the hydrogen production system. The main body (1) of the water tank is equipped with a hydrogen detection device and an exhaust device that are connected to the upper chamber (11). The detection end of the hydrogen detection device is located at the connection between the upper chamber (11) and the lower chamber (12). The bottom surface of the partition (2) is axially connected to an exhaust pipe (3) that extends into the lower chamber (12) and connects to the upper chamber (11). A water guide channel (4) is also axially arranged between the inner wall of the lower chamber (12) and the exhaust pipe (3).

2. The water tank for hydrogen production system according to claim 1, characterized by: The upper chamber (11) is provided with a diaphragm (5) for gas-liquid separation. The diaphragm (5) divides the upper chamber (11) into a first isolation chamber and a second isolation chamber connected to the exhaust pipe (3).

3. The water tank for hydrogen production system according to claim 2, characterized by: The hydrogen detection equipment and exhaust equipment are connected to the first isolation chamber.

4. The water tank for hydrogen production system according to claim 1, characterized by: The bottom of the lower chamber (12) is provided with a drain hole (16) and an inlet (13) is provided on its periphery. The lower chamber (12) is connected to the hydrogen production system and the oxygen outlet of the hydrogen production system through the drain hole (16) and the inlet (13).

5. The water tank for hydrogen production system according to claim 3, characterized by: The top of the water tank body (1) is provided with a first mounting hole (14) for installing an exhaust device and a second mounting hole (15) for installing a hydrogen detection device.

6. The water tank for hydrogen production system according to claim 5, characterized by: The second mounting hole (15) is coaxially arranged with the exhaust pipe (3).

7. The water tank for hydrogen production system according to any one of claims 1 to 6, characterized by: The surface of the water tank body (1) is covered with an outer shell (7), and a sound insulation layer (8) is provided between the outer shell (7) and the water tank body (1).

8. The water tank for hydrogen production system according to claim 7, characterized by: The lower chamber (12) is also provided with a liquid level display device (6) for observing the liquid level inside. The liquid level display device (6) includes a connecting pipe (61) that is radially connected to the lower chamber (12) and arranged vertically, and a liquid level pipe (62) that is connected between the connecting pipes (61).

9. The water tank for hydrogen production system according to claim 1, characterized by: The top surface of the partition (2) is an inclined surface that gradually descends from its edge toward the exhaust pipe (3) axially.

10. The water tank for hydrogen production system according to claim 8, characterized by: The surface of the liquid level tube (62) is covered with a sleeve (63), and the surface of the sleeve (63) has a viewing port (64) extending axially along the liquid level tube (62).

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