CN215673713U

CN215673713U - Humidity regulating valve and hydrogen production device thereof

Info

Publication number: CN215673713U
Application number: CN202121978790.2U
Authority: CN
Inventors: 罗小军; 郑莺莺; 周腾芳; 莫昌林; 乔永昊
Original assignee: GUANGZHOU SAIAI ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: GUANGZHOU SAIAI ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-28
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a humidity regulating valve and a hydrogen production device thereof, wherein the humidity regulating valve comprises a valve cavity, the bottom surface of the valve cavity is provided with an air inlet and an air outlet, a deformable valve plate and a locking component are arranged in the valve cavity, the locking component seals and locks the edge of the valve plate, the locking component is provided with a shaft hole, and the shaft hole is provided with an elastic regulating piece capable of regulating the deformation of the valve plate. A hydrogen production device comprises a water tank, an electrolytic cell, a gas-water separator and the humidity regulating valve, wherein the electrolytic cell electrolyzes water conveyed from the water tank, the gas-water separator receives and separates hydrogen water electrolyzed in the electrolytic cell, and a hydrogen output port of the gas-water separator is connected with the humidity regulating valve. The utility model changes the internal pressure of the hydrogen production machine pipeline through the pressure regulation control of the regulating valve, effectively separates the water and the gas of the hydrogen containing water, and realizes the controllable humidity of the produced hydrogen.

Description

Humidity regulating valve and hydrogen production device thereof

Technical Field

The utility model relates to the technical field of valves, in particular to a humidity regulating valve and a hydrogen production device thereof.

Background

Control valves, also known as control valves, are operated by power to vary the fluid flow, and generally consist of an actuator and a valve. The high-concentration hydrogen produced by the prior SPE water electrolysis hydrogen production technology has the moisture content which is easy to exceed the standard, and directly causes the water choking of a user in the hydrogen absorption process. In order to solve the problem, in the prior art, a filter or a filter element for drying is often added at the hydrogen production outlet to separate the moisture in the hydrogen again. This adds to the cost of the hydrogen plant and necessitates a second separation operation, which affects the efficiency of hydrogen production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a humidity regulating valve and a hydrogen production device thereof, which change the internal pressure of a hydrogen production machine pipeline through the pressure regulating control of the regulating valve, effectively separate the hydrogen containing moisture from water, and realize the controllable humidity of the produced hydrogen.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a humidity regulating valve comprises a valve cavity, wherein an air inlet and an air outlet are formed in the bottom surface of the valve cavity, a deformable valve plate and a locking component are arranged in the valve cavity, the locking component seals and locks the edge of the valve plate, a shaft hole is formed in the locking component, and an elastic regulating piece capable of regulating the deformation of the valve plate is arranged in the shaft hole.

According to the technical scheme, the valve plate is tightly pressed on the bottom surface of the locking part to ensure the sealing of the valve plate and the valve cavity; the bottom surface of the valve plate is attached to the bottom surface of the valve cavity, air pressure enters the jacking valve plate from the air inlet to enable the jacking valve plate to generate deformation and flows out of the air outlet, the elastic adjusting piece is abutted to the upper surface of the valve plate, axial movement displacement is achieved in the shaft hole, the deformation of the valve plate jacked by air flow is adjusted, and the purpose of adjusting the pressure of the valve is achieved.

Furthermore, the locking component is a hollow connecting cylinder which is in threaded connection with the valve cavity, and the elastic adjusting piece is in threaded connection with the connecting cylinder. Through threaded connection, make the interval of elasticity adjusting part and valve block adjustable, thereby adjust the rate of tension of valve block, adjust the pressure that the air current flows out the venthole from the inlet port.

Furthermore, an elastic element is arranged in the shaft hole, and two ends of the elastic element are respectively abutted with the elastic adjusting piece and the valve plate. The valve plate can be adjusted more flexibly by the elastic adjusting piece through the elastic element, wherein the elastic element comprises but is not limited to a pressure spring, an elastic sheet, an elastic rubber pad and the like.

Furthermore, a compression column is arranged in the shaft hole, the elastic element is abutted against one side face of the compression column, and the end face of the compression column is abutted against the valve plate. The end face of the compression column is abutted to the valve plate, the pressure of the compression column on the valve plate is adjusted through the elastic action of the elastic element, and then the elastic deformation amount of the valve plate is adjusted, so that the air outlet pressure of the valve is adjusted.

Further, the valve cavity is communicated with an air inlet and an air outlet through an air inlet hole and an air outlet hole. When the valve is used, airflow enters from the air inlet and flows out from the air outlet, wherein the airflow enters the valve cavity through the air inlet, the valve plate is jacked up to generate a deformation amount, an airflow flowing space is formed between the valve plate and the bottom surface of the valve cavity, the airflow enters the air outlet from the air outlet and flows out, and the deformation amount of the valve plate is adjusted through the elastic adjusting piece, so that the air outlet pressure is adjusted.

In order to solve the above technical problem, another technical solution provided by the present invention is: a hydrogen production device comprises a water tank, an electrolytic cell, a gas-water separator and a humidity regulating valve in any one of the technical schemes, wherein the electrolytic cell electrolyzes water conveyed from the water tank, the gas-water separator receives and separates hydrogen water electrolyzed in the electrolytic cell, and a hydrogen output port of the gas-water separator is connected with the humidity regulating valve.

By adopting the technical scheme, water in the water tank flows into the electrolytic tank for electrolysis, hydrogen water is obtained and is conveyed to the gas-water separator for separation, and finally the separated hydrogen is output after passing through the humidity regulating valve.

Furthermore, the device also comprises a circuit control module and an observation window, wherein the circuit control module is in signal connection with the electrolytic cell, and the observation window is connected between the gas-water separator and the electrolytic cell. The observation window is used for observing the condition of hydrogen generated when the electrolytic bath electrolyzes water.

Further, the circuit control module is in signal connection with a water level detection point of the water tank. The circuit control module can monitor the water quantity in the water tank in real time through the water level monitoring point.

Furthermore, the circuit control module is in signal connection with a conductivity probe, the conductivity probe is arranged between the water tank and the electrolytic bath, a conductivity stabilizing filter element is arranged in the water tank, and a drain valve is arranged at the bottom of the water tank. The conductivity probe is used for measuring the conductivity of the raw water input into the electrolytic bath from the water tank; the stable conductivity filter element is used for balancing the conductivity in water so as to meet the electrolysis requirement.

Furthermore, the circuit control module is in signal connection with the liquid crystal display screen and the control panel and is used for inputting control signals and outputting control information.

The beneficial effects obtained by the utility model are as follows: this humidity control valve is used for installing the hydrogen exit behind the gas-water separation, according to the principle that atmospheric pressure and humidity are inversely proportional, through adjust knob, changes hydrogen manufacturing machine pipeline internal pressure, can effectually come out from the gas-water separator complete separation with the hydrogen that contains moisture to can realize the humidity of output hydrogen controllable through the pressure of adjusting in the gas circuit according to user's demand.

The utility model can be applied to gas-water separation of a hydrogen production machine, can also be applied to other gas production equipment, such as an oxygen generator and the like, has wide application range, can achieve the gas-liquid separation effect by adjusting the air pressure through the adjusting valve, omits the installation of a filter or a filter core for secondary separation, and has the advantages of saving cost and improving production efficiency.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of an exploded structure of the present invention;

FIG. 5 is a schematic diagram of the construction of a hydrogen plant according to the present invention.

Description of reference numerals: the device comprises a humidity adjusting valve 1a, a valve body 1, a valve cavity 10, an air inlet 11, an air outlet 12, a sealing valve plate 13, an air inlet 14, an air outlet 15, a locking component 21, an axle hole 22, an adjusting knob 23, an elastic element 24, a compression column 25, a water tank 3, a water level detection point 31, a conductivity stabilizing filter element 32, a drain valve 33, an electrolytic bath 4, an air-water separator 5, a circuit control module 6, a conductivity probe 61, a liquid crystal display screen 62, a control panel 63 and an observation window 7.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

Referring to fig. 1 to 4, the utility model discloses a humidity control valve, which comprises a valve cavity 10, wherein the bottom surface of the valve cavity 10 is provided with an air inlet 14 and an air outlet 15, the valve cavity 10 is internally provided with a deformable valve sheet 13 and a locking component 21, the locking component 21 seals the edge of the locking valve sheet 13, the locking component 21 is provided with a shaft hole 22, the shaft hole 22 is provided with an elastic adjusting piece 23 capable of adjusting the deformation of the valve sheet 13, and the valve cavity 10 is a cavity body which is arranged on a valve body 1 and is used for communicating the air inlet 14 with the air outlet 15.

The bottom surface of the valve plate 13 is a plane and is attached to the bottom surface of the valve cavity 10, the edge of the valve plate 13 is sealed in the valve cavity 10 through the locking component 21, and at the moment, the air flow cannot leak from the edge of the valve plate 13, so that the pressure of the air flow on the valve plate 13 is ensured.

The locking part 21 is a hollow connecting cylinder, the connecting cylinder is screwed in the valve cavity 10, the bottom of the connecting cylinder compresses the edge of the valve plate 13, the elastic adjusting piece 23 is screwed with the connecting cylinder, and when the elastic adjusting piece 23 is screwed on the locking part 21 in a threaded connection mode, the distance between the elastic adjusting piece 23 and the valve plate 13 is adjusted, so that the deformation quantity of the valve plate 13 is adjusted, and the air pressure of the valve for adjusting the air outlet is adjusted.

An elastic element 24 is arranged in the shaft hole 22, and two ends of the elastic element 24 are respectively abutted with the elastic adjusting piece 23 and the valve plate 13. The bottom end of the elastic element 24 is attached to the valve plate 13 and is abutted to the elastic element 24 when the valve plate 13 is jacked up by the airflow, and the elastic element 24 cooperates with the elastic adjusting piece 23 to limit the deformation amount of the valve plate 13, so that the effect of adjusting the airflow pressure is realized.

Furthermore, a pressing column 25 is arranged in the shaft hole 22, the elastic element 24 abuts against one side face of the pressing column 25, and the end face of the pressing column 25 abuts against the valve plate 13. The pressing column 25 is arranged between the elastic element 24 and the valve plate 13, and when the elastic adjusting piece 23 adjusts the position, the applied pressure is transmitted to the pressing column 25 through the elastic element 24, so that the deformation of the valve plate 13 is limited.

The valve cavity 10 is communicated with an air inlet 11 and an air outlet 12 through an air inlet hole 14 and an air outlet hole 15. In the present embodiment, the air flow flows from the air inlet 11, through the air inlet hole 14, into the gap between the valve plate 13 and the valve cavity 10, and flows out from the air outlet hole 15 to the air outlet 12 for discharge.

Referring to fig. 5, the utility model further discloses a hydrogen production device, which comprises a water tank 3, an electrolytic cell 4, a gas-water separator 5 and the humidity control valve 1a in the above embodiment, wherein the electrolytic cell 4 electrolyzes water conveyed from the water tank 3, the gas-water separator 5 receives and separates hydrogen water electrolyzed in the electrolytic cell 4, and a hydrogen output port of the gas-water separator 5 is connected with the humidity control valve 1 a.

The hydrogen production device also comprises a circuit control module 6 and an observation window 7, wherein the circuit control module 6 is in signal connection with the electrolytic cell 4, and the observation window 7 is connected between the gas-water separator 5 and the electrolytic cell 4.

The circuit control module 6 is in signal connection with a water level detection point 31 of the water tank 3.

The circuit control module 6 is in signal connection with a conductivity probe 61, the conductivity probe 61 is arranged between the water tank 3 and the electrolytic bath 4, the conductivity stabilizing filter element 32 is arranged in the water tank 3, and the drain valve 33 is arranged at the bottom of the water tank 3.

The circuit control module 6 is in signal connection with the liquid crystal display 62 and the control panel 63, and is used for inputting control signals and outputting control information.

The present invention will be further described with reference to the specific operation of the humidity control valve 1a in a hydrogen plant.

Referring to fig. 1 to 5, the electrolyzed water in the water tank 3 is fed to the electrolytic bath 4 for electrolysis, and the hydrogen water produced by the electrolysis flows into the gas-water separator 5, during which the generation dynamics of the hydrogen water can be observed through the observation window 7. After the gas-water separator 5 performs gas-water separation on the hydrogen water, the redundant water flows back to the water tank 3, and a conductivity stabilizing filter element 32 is arranged in the water tank 3 and used for balancing the conductivity of the water in the water tank 3. A water level detection point 31 is provided in the water tank 3 for detecting the water level in the water tank 3.

The gas-water separator 5 discharges the separated hydrogen from the gas output end, is connected with the humidity adjusting valve 1a, and conveys the hydrogen to the humidity adjusting valve 1 a. Hydrogen enters from the air inlet 11 and enters the valve cavity 10 through the air inlet 14 to jack up the valve plate 13, so that the valve plate is deformed, and airflow flows through the air outlet 12 from the air outlet 15 and is discharged out of the valve body 1. When the pressure of the valve needs to be adjusted, the adjusting knob 23 is rotated to be screwed in or out of the locking part 21, the valve plate 13 is extruded through the elastic element 24 and the pressing column 25, the deformation quantity of the valve plate 13 jacked up by the air pressure is limited, and therefore the air pressure flowing out of the valve body 1 is adjusted, the pressure of a pipeline of the hydrogen production device is adjusted, and the purpose of better gas-liquid separation is achieved.

In the specific implementation process, the detected related data can be displayed in real time through the liquid crystal display screen 62, the control signal is input through the control panel 63, and the circuit control module 6 outputs an instruction to start the electrolytic tank 4 to work. The water level monitoring points 31 are respectively provided at the high, medium and low water levels of the water tank 3 and are respectively used for detecting the water level in the water tank 3.

In summary, the actual samples of the present invention are prepared according to the description and the drawings, and after a plurality of usage tests, the effect of the usage tests proves that the present invention can achieve the expected purpose, and the practical value is undoubted. The above-mentioned embodiments are only for convenience of illustration and not intended to limit the utility model in any way, and those skilled in the art will be able to make equivalents of the features of the utility model without departing from the technical scope of the utility model.

Claims

1. The utility model provides a humidity control valve, includes valve pocket (10), and valve pocket (10) bottom surface is equipped with inlet port (14) and venthole (15), is equipped with deformable valve block (13) and locking part (21) in valve pocket (10), and locking part (21) seal locking valve block (13) edge, and locking part (21) are equipped with shaft hole (22), and shaft hole (22) are equipped with the elasticity adjusting part (23) of adjustable valve block (13) deformation volume.

2. The humidity regulating valve of claim 1, wherein: the locking component (21) is a hollow connecting cylinder which is in threaded connection with the valve cavity (10), and the elastic adjusting piece (23) is in threaded connection with the connecting cylinder.

3. The humidity regulating valve of claim 1, wherein: an elastic element (24) is arranged in the shaft hole (22), and two ends of the elastic element (24) are respectively abutted against the elastic adjusting piece (23) and the valve plate (13).

4. A humidity regulating valve as claimed in claim 3, wherein: a compression column (25) is arranged in the shaft hole (22), the elastic element (24) abuts against one side face of the compression column (25), and the end face of the compression column (25) abuts against the valve plate (13).

5. The humidity regulating valve of claim 1, wherein: the valve cavity (10) is communicated with an air inlet (11) and an air outlet (12) through an air inlet hole (14) and an air outlet hole (15).

6. A hydrogen production apparatus, characterized in that: comprising a water tank (3), an electrolytic cell (4), a gas-water separator (5) and the humidity regulating valve (1a) of any one of the above claims 1 to 5, wherein the electrolytic cell (4) electrolyzes water conveyed from the water tank (3), the gas-water separator (5) receives and separates hydrogen gas water electrolyzed in the electrolytic cell (4), and a hydrogen gas output port of the gas-water separator (5) is connected with the humidity regulating valve (1 a).

7. The hydrogen generation assembly of claim 6, wherein: still include circuit control module (6) and observation window (7), circuit control module (6) signal connection electrolysis trough (4), observation window (7) are connected between gas-water separator (5) and electrolysis trough (4).

8. The hydrogen generation assembly of claim 7, wherein: the circuit control module (6) is in signal connection with a water level detection point (31) of the water tank (3).

9. The hydrogen generation assembly of claim 7, wherein: the circuit control module (6) signal connection has conductivity probe (61), conductivity probe (61) are located between water tank (3) and electrolysis trough (4), be equipped with the stable filter core of conductivity (32) in water tank (3), water tank (3) bottom is equipped with drain valve (33).

10. The hydrogen generation assembly of claim 7, wherein: the circuit control module (6) is in signal connection with the liquid crystal display screen (62) and the control panel (63) and is used for inputting control signals and outputting control information.