Hydrogen purification device

Abstract

The utility model belongs to the technical field of hydrogen purification, and particularly relates to a hydrogen purification device which comprises a purification box, a first filter, a second filter and a third filter are arranged in the purification box, and a gas inlet guide pipe and a gas outlet guide pipe penetrate through the top and the bottom of the purification box respectively. The two sides of the air inlet guide pipe are communicated with a first air inlet pipe, a second air inlet pipe and a third air inlet pipe, each first air inlet pipe is communicated with one first filter, and each second air inlet pipe is communicated with one second filter. Each third gas inlet pipe and one third filter are communicated with the first filter, the gas outlet ends of the second filter and the third filter are respectively communicated with a first gas outlet pipe, a second gas outlet pipe and a third gas outlet pipe, a gas collecting pipe and a hydrogen purity detector are arranged in the purification box, and the gas collecting pipe is communicated with the first gas outlet pipe, the second gas outlet pipe and the third gas outlet pipe; the gas outlet conduit is communicated with the gas inlet conduit through a gas return pipe, and the hydrogen purity detector is communicated with the gas inlet conduit and the gas outlet conduit.

Description

Technical Field

[0001] This utility model belongs to the field of hydrogen purification technology, and specifically relates to a hydrogen purification device. Background Technology

[0002] Hydrogen is a chemical element, located at the first position in the periodic table. The usual elemental form of hydrogen is hydrogen gas, which is a colorless, odorless, and highly flammable gas composed of diatomic molecules. Hydrogen gas is the lightest gas.

[0003] Hydrogen is one of the energy sources used for power generation, but it requires high purity. Hydrogen purification equipment is needed to purify the hydrogen, typically by filtering out moisture and other gases. Traditional purification equipment requires periodic filter replacement to ensure filtration effectiveness, but each filter has a different lifespan, and the equipment must be stopped each time the filter is replaced, which affects the efficiency of hydrogen purification. To solve these problems, a hydrogen purification device is proposed. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a hydrogen purification device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a hydrogen purification device, comprising a purification chamber, an inlet conduit passing through the top of the purification chamber, first inlet pipes connected to both sides of the inlet conduit, a first filter connected to the free end of each first inlet pipe, a first outlet pipe connected to the opposite ends of two first filters, a first connecting pipe connected to each first outlet pipe, second inlet pipes connected to both sides of the inlet conduit, a second filter connected to the free end of each second inlet pipe, an inlet end of each first connecting pipe connected to one of the first filters, a second outlet pipe connected to the opposite ends of two second filters, a second connecting pipe connected to each second outlet pipe, and a third inlet pipe connected to both sides of the inlet conduit, a third filter connected to the free end of each third inlet pipe, an inlet end of each second connecting pipe connected to one of the third filters, and an outlet pipe connected to the opposite ends of two third filters. There is a third exhaust pipe. The bottoms of the first, second, and third filters are all connected to exhaust pipes. Waste gas pipes are installed on both the left and right sides of the purification chamber, and each waste gas pipe is connected to the three exhaust pipes. A hydrogen purity detector is installed inside the purification chamber. The inlet of the hydrogen purity detector is connected to a gas collecting pipe. The first, second, and third exhaust pipes are all connected to the gas collecting pipe. The outlet of the hydrogen purity detector is connected to an outlet conduit, which passes through the... At the bottom of the purification chamber, a return pipe is connected to one side of the outlet pipe. The return pipe is connected to the inlet pipe. Control valves are provided on the inlet pipe, outlet pipe, first inlet pipe, second inlet pipe, third inlet pipe, first outlet pipe, second outlet pipe, third outlet pipe, first connecting pipe, second connecting pipe, return pipe, and exhaust pipe. Two control valves are provided on the gas collecting pipe. Two sealing doors are provided on the front of the purification chamber, and a control switch is fixedly connected to one of the sealing doors.

[0006] Preferably, the control valve is a one-way solenoid valve.

[0007] Preferably, the control switch is a PLC controller, and the control switch integrates a display screen.

[0008] Preferably, the second and third filters have the same structure as the first filter. The first filter includes a housing, a sealing cover, and a filter element. The filter element and the sealing cover are fixedly connected. A handle is fixedly connected to the front of the sealing cover. The filter element is inserted into the housing.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] This invention allows for the replacement of filters at any stage during hydrogen purification without stopping the purification equipment, resulting in high purification efficiency. Furthermore, this device can repeatedly purify substandard hydrogen, achieving excellent purification results and demonstrating strong practicality. Attached Figure Description

[0011] 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:

[0012] Figure 1 This is a structural schematic diagram of the present invention in frontal cross-section;

[0013] Figure 2 This is a front view of the structure of this utility model;

[0014] Figure 3 This utility model Figure 1 Schematic diagram of the structure at point A;

[0015] In the diagram: 1. Purification chamber; 2. First outlet pipe; 3. First inlet pipe; 4. Inlet duct; 5. Second inlet pipe; 6. Control valve; 7. Second filter; 8. Third filter; 9. Hydrogen purity detector; 10. Outlet duct; 11. Return pipe; 12. Third inlet pipe; 13. Gas collection pipe; 14. Third outlet pipe; 15. Second outlet pipe; 16. Exhaust pipe; 17. Waste gas pipe; 18. First connecting pipe; 19. Second connecting pipe; 20. Control switch; 21. Sealing door; 22. First filter; 221. Housing; 222. Filter element; 223. Handle; 224. Sealing cover. Detailed Implementation

[0016] 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. Example

[0017] Please see Figure 1-3This utility model provides the following technical solution: a hydrogen purification device, including a purification box 1, an inlet conduit 4 passing through the top of the purification box 1, and first inlet pipes 3 connected to both sides of the inlet conduit 4. A first filter 22 is connected to the free end of each first inlet pipe 3, and first outlet pipes 2 are connected to the opposite ends of the two first outlet pipes 2. A first connecting pipe 18 is connected to each first outlet pipe 2. Second inlet pipes 5 are connected to both the left and right sides of the inlet conduit 4, and a second filter 7 is connected to the free end of each second inlet pipe 5. Each of the first connecting air pipes 18 is connected to the air inlet end of a first filter 22. The opposite ends of the two second filters 7 are each connected to a second air outlet pipe 15. Each second air outlet pipe 15 is connected to a second connecting air pipe 19. Both sides of the air inlet duct 4 are connected to third air inlet pipes 12. The free end of each third air inlet pipe 12 is connected to a third filter 8. Each second connecting air pipe 19 is connected to the air inlet end of a third filter 8. The opposite ends of the two third filters 8 are each connected to a third air outlet pipe 14. The first filter 22, the second... The bottoms of both the second filter 7 and the third filter 8 are connected to exhaust pipes 16. Waste gas pipes 17 are installed on both the left and right sides of the purification chamber 1, and each waste gas pipe 17 is connected to all three exhaust pipes 16. A hydrogen purity detector 9 is installed inside the purification chamber 1. The inlet of the hydrogen purity detector 9 is connected to a gas collecting pipe 13. The first outlet pipe 2, the second outlet pipe 15, and the third outlet pipe 14 are all connected to the gas collecting pipe 13. The outlet of the hydrogen purity detector 9 is connected to an outlet conduit 10, which passes through the bottom of the purification chamber 1. One side of pipe 10 is connected to a return pipe 11, which is connected to the inlet pipe 4. The inlet pipe 4, outlet pipe 10, first inlet pipe 3, second inlet pipe 5, third inlet pipe 12, first outlet pipe 2, second outlet pipe 15, third outlet pipe 14, first connecting pipe 18, second connecting pipe 19, return pipe 11 and exhaust pipe 16 are all equipped with control valves 6. The gas collecting pipe 13 is equipped with two control valves 6. The front of the purification box 1 is equipped with two sealing doors 21, one of which is fixedly connected to a control switch 20.

[0018] Specifically, the control valve 6 is a one-way solenoid valve.

[0019] Specifically, the control switch 20 is a PLC controller, and the control switch 20 integrates a display screen.

[0020] Specifically, the second filter 7 and the third filter 8 have the same structure as the first filter 22. The first filter 22 includes a housing 221, a sealing cover 224 and a filter element 222. The filter element 222 and the sealing cover 224 are fixedly connected. A handle 223 is fixedly connected to the front of the sealing cover 224. The filter element 222 is inserted into the housing 221.

[0021] The working principle and usage process of this utility model are as follows: During use, the raw material gas enters through the inlet pipe 4. The corresponding control valve 6 can be opened according to the purification requirements. The purification sequence can be controlled via the control switch 20, allowing the raw material gas to pass through the corresponding filtration mechanisms. The raw material gas can enter the first filter 22 through the first inlet pipe 3, the second filter 7 through the second inlet pipe 5, and the third filter 8 through the third inlet pipe 12. After entering the first filter 22, the raw material gas can enter the first outlet pipe 2 or the first connecting pipe 18, and then enter the gas collecting pipe 13 or the second filter 7 through the first connecting pipe 18. After entering the second filter 7, the raw material gas can enter the second outlet pipe 15 or the second connecting pipe 19, and then enter the gas collecting pipe 13 or the third filter 8 through the second outlet pipe 15 or the second connecting pipe 19. After entering the third filter 8, the raw material gas can enter the third outlet pipe 14 through the third filter 8, and then... 4. Hydrogen enters the gas collecting pipe 13 and then enters the hydrogen purity detector 9. If the hydrogen purity meets the standard, the purified hydrogen is discharged through the outlet pipe 10. If the hydrogen purity does not meet the standard, the hydrogen enters the return pipe 11 through the outlet pipe 10, and then enters the inlet pipe 4 through the return pipe 11. The purification process continues in the above manner until the hydrogen purity detector 9 detects that the hydrogen purity meets the standard. Then, the hydrogen is discharged through the outlet pipe 10. The first filter 22, the second filter 7, and the third filter... The exhaust gas filtered by filter 8 enters exhaust pipe 17 through exhaust pipe 16 for convenient unified treatment. The display screen on control switch 20 can display the hydrogen purity value detected by hydrogen purity detector 9 for easy viewing. When replacing the filter elements 222 of the first filter 22, the second filter 7 and the third filter 8, open the sealing door 21, then unscrew the bolts to open the sealing cover 224, then pull out the filter element 222 through handle 223, replace it with a new filter element 222, and then fix the sealing cover 224 with bolts.

[0022] 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 hydrogen purification apparatus, comprising a purification chamber (1), characterized in that: The purification chamber (1) is provided with an air inlet duct (4) at the top. Both sides of the air inlet duct (4) are connected to first air inlet pipes (3). The free end of each first air inlet pipe (3) is connected to a first filter (22). The opposite ends of the two first filters (22) are connected to first air outlet pipes (2). Each first air outlet pipe (2) is connected to a first connecting pipe (18). The left and right sides of the air inlet duct (4) are connected to second air inlet pipes (5). The free end of each second air inlet pipe (5) is connected to a second filter (7). Each first connecting pipe (18) is connected to an air inlet pipe of one of the first filters (22). The ends of the two second filters (7) are connected, and the opposite ends of the two second filters (7) are connected to the second air outlet pipe (15). Each second air outlet pipe (15) is connected to the second connecting air pipe (19). The two sides of the air inlet pipe (4) are connected to the third air inlet pipe (12). The free end of each third air inlet pipe (12) is connected to the third filter (8). Each second connecting air pipe (19) is connected to the air inlet end of one of the third filters (8). The opposite ends of the two third filters (8) are connected to the third air outlet pipe (14). The bottoms of the first filter (22), the second filter (7), and the third filter (8) are all connected to the exhaust pipe (1). 6) Waste gas pipes (17) are provided on both the left and right sides of the purification box (1). Each waste gas pipe (17) is connected to three exhaust pipes (16). A hydrogen purity detector (9) is provided inside the purification box (1). The inlet end of the hydrogen purity detector (9) is connected to a gas collecting pipe (13). The first outlet pipe (2), the second outlet pipe (15), and the third outlet pipe (14) are all connected to the gas collecting pipe (13). The outlet end of the hydrogen purity detector (9) is connected to an outlet conduit (10). The outlet conduit (10) passes through the bottom of the purification box (1). One side of the outlet conduit (10) is connected to a return gas pipe (11). The return pipe (11) and the inlet pipe (4) are connected. The inlet pipe (4), the outlet pipe (10), the first inlet pipe (3), the second inlet pipe (5), the third inlet pipe (12), the first outlet pipe (2), the second outlet pipe (15), the third outlet pipe (14), the first connecting pipe (18), the second connecting pipe (19), the return pipe (11) and the exhaust pipe (16) are all equipped with control valves (6). The gas collecting pipe (13) is equipped with two of the control valves (6). The purification box (1) is equipped with two sealing doors (21) on the front. One of the sealing doors (21) is fixedly connected to a control switch (20).

2. The hydrogen purification apparatus according to claim 1, characterized in that: The control valve (6) is a one-way solenoid valve.

3. The hydrogen purification apparatus according to claim 1, characterized in that: The control switch (20) is a PLC controller, and the control switch (20) has an integrated display screen.

4. The hydrogen purification apparatus according to claim 1, characterized in that: The second filter (7) and the third filter (8) have the same structure as the first filter (22). The first filter (22) includes a housing (221), a sealing cap (224) and a filter element (222). The filter element (222) and the sealing cap (224) are fixedly connected. A handle (223) is fixedly connected to the front of the sealing cap (224). The filter element (222) is inserted into the housing (221).

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