Hydrogen purification device

Abstract

The utility model relates to a hydrogen purification device which comprises an impurity removal device, a water removal device and a base, a second breather pipe on the upper right portion of the impurity removal device penetrates through a pipeline notch in the lower left side of the water removal device to enter the water removal device, the impurity removal device and the water removal device are fixed on the base, and a water injection hole is formed in the upper left portion of the impurity removal device. The water removal device is provided with a shell, and the left side of the impurity removal device is provided with a third ventilation pipe, a sulfuric acid injection port and a sulfuric acid outlet from top to bottom. The engine drives the stirring shaft, the stirring blades, the water inlet and the water outlet to cooperate with each other to improve the impurity removal rate, and the first air suction fan and the second air suction fan cooperate with the second breather pipe and the third breather pipe, so that the hydrogen collection rate is improved while the hydrogen collection is more sufficient and thorough. Conditions of concentrated sulfuric acid and the second breather pipe are observed through the visible port, and the situation that water contained in hydrogen is not removed due to the fact that the second breather pipe is not immersed by the concentrated sulfuric acid is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydrogen purification, and particularly relates to a hydrogen purification device. Background Art

[0002] The hydrogen purification equipment uses electrolyzed hydrogen as raw material, and through catalytic deoxidation and cooling, adsorption and secondary drying, and then through a filter to remove impurity oxygen, water vapor and dust in the hydrogen to obtain high-purity hydrogen. When the hydrogen after alkaline water separation enters the purification process, it may be doped with impurities inside. The hydrogen containing impurities will mix with oxygen and react when burning, releasing a large amount of heat and posing a danger of explosion.

[0003] Chinese Patent Publication No. CN220317413U discloses a hydrogen purification equipment, including: a base, and a tank body fixedly connected to the top of the base; a purification structure, the purification structure includes a purification box located inside the tank body, and connecting blocks are fixedly connected to both sides of the surface of the purification box. This utility model has the advantages of purifying impurities and simple structure. In the actual use process, through the setting of the purification structure, it plays a role in purifying the hydrogen after alkaline water separation, filters the impurities inside the hydrogen by using clean water, thereby improving the safety during the use of hydrogen. Secondly, through the setting of the water changing structure, after the water in the inner cavity of the purification box has been used for a period of time, the water can be replaced, which is beneficial to improving the water quality and thus enhancing the purification effect. Finally, with the cooperation of the disturbance component, the purification speed between water and hydrogen is strengthened, and the water and hydrogen react fully. This patent uses pure water to remove impurities, and there will be more or less water vapor doped in the filtered hydrogen.

[0004] In summary, the existing technology has the problems that the hydrogen separated from alkaline water contains impurities, posing a safety hazard, the hydrogen after removing impurities with pure water contains moisture, the obtained hydrogen is not pure enough, and there is a problem of safely replacing concentrated sulfuric acid when removing moisture. Summary of the Invention

[0005] The purpose of this part is to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model of the present application, to avoid obscuring the purpose of this part, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present utility model.

[0006] Therefore, the purpose of the present utility model is to provide a hydrogen purification device, which can solve the problems existing in the prior art that the hydrogen separated from alkaline water contains impurities, has potential safety hazards, the hydrogen obtained after removing impurities from pure water contains moisture, the obtained hydrogen is not pure enough, and there is a problem of safe replacement of concentrated sulfuric acid when removing moisture. To solve the above technical problems, the present utility model provides a hydrogen purification device, which includes an impurity removal device, a water removal device, and a base. The second air pipe on the upper right of the impurity removal device passes through the pipe notch on the lower left side of the water removal device and enters the water removal device. The impurity removal device and the water removal device are fixed on the base. There is a water injection hole on the upper left of the impurity removal device. The first air pipe and the drain port are respectively arranged on the left side of the impurity removal device from top to bottom. The water removal device has a housing, and the third air pipe, the concentrated sulfuric acid injection port, and the concentrated sulfuric acid outlet are respectively arranged on the left side from top to bottom. There is an engine device at the bottom of the impurity removal device. The bottom of the engine device is connected to the base, and the top is connected to the stirring shaft inside the impurity removal device. There are stirring blades on the left and right sides of the stirring shaft. The top of the first air pipe is at the same height as the top of the stirring shaft. The first air pipe is vertically downward inside the impurity removal device. The bottom of the drain port is at the same height as the top of the engine device. There is a concentrated sulfuric acid storage tank inside the water removal device. The upper right of the concentrated sulfuric acid storage tank is connected to the concentrated sulfuric acid injection port, and the bottom right of the concentrated sulfuric acid storage tank is connected to the concentrated sulfuric acid outlet. The second air pipe is vertically inserted into the left side of the concentrated sulfuric acid storage tank inside the water removal device.

[0007] Optionally, between the concentrated sulfuric acid injection port and the concentrated sulfuric acid outlet on the right side of the concentrated sulfuric acid storage tank is a visual port, and the thickness of the visual port is the same as that of the housing.

[0008] Optionally, there is a first suction fan on the left side of the second air pipe on the upper right of the impurity removal device, and a second suction fan on the left side of the third air pipe on the upper right of the water removal device.

[0009] Optionally, the pipe notch is adapted to the second air pipe, and there is a sealing rubber ring around the pipe notch.

[0010] Optionally, there is a water injection hole knob above the water injection hole, a first valve on the outer part of the first air pipe, a first knob on the first valve, a drain knob on the drain port, a second valve on the outer part of the third air pipe, a second knob on the second valve, a concentrated sulfuric acid injection valve on the outer part of the concentrated sulfuric acid injection port, a concentrated sulfuric acid injection knob above the concentrated sulfuric acid injection valve, a concentrated sulfuric acid outlet valve on the outer part of the concentrated sulfuric acid outlet, and a concentrated sulfuric acid outlet knob on the concentrated sulfuric acid outlet valve.

[0011] By adopting the above technical solutions, in this case, the engine drives the stirring shaft, and the stirring shaft drives the stirring blades to enable the hydrogen and water after the separation of alkaline water to come into full contact, increasing the speed of impurity removal. Through the cooperation of the water inlet and the water outlet, the water can be replaced to improve the quality of the water, thereby increasing the rate of impurity removal. Through the first suction fan and the second suction fan, all the hydrogen in the impurity removal device and the water removal device can be collected to reduce the residue. The sulfuric acid outlet is flush with the bottom of the concentrated sulfuric acid storage tank, which can fully discharge the concentrated sulfuric acid, and the small drop can avoid the safety hazard caused by the splashing of concentrated sulfuric acid. The duct notch is adapted to the second ventilation pipe, and there is a sealing rubber ring around the duct notch. This can prevent the problem of hydrogen leakage caused by the poor sealing of the drainage device. On the right side of the concentrated sulfuric acid storage tank, between the sulfuric acid injection port and the sulfuric acid outlet is a visual port, and the thickness of the visual port is the same as that of the outer shell. By observing the visual port, it can be seen whether the second ventilation pipe is immersed in the concentrated sulfuric acid and whether the discharge of the concentrated sulfuric acid is complete.

[0012] In summary, the present utility model has at least the following beneficial effects:

[0013] In the present utility model, the engine drives the stirring shaft, the stirring blades, the water inlet and the water outlet to cooperate with each other to increase the rate of impurity removal. The first suction fan and the second suction fan cooperate with the second ventilation pipe and the third ventilation pipe to collect hydrogen more fully and thoroughly while also increasing the rate.

[0014] In the present utility model, the sulfuric acid outlet is flush with the bottom of the concentrated sulfuric acid storage tank, making the replacement of concentrated sulfuric acid safer. The visual port is used to observe the situation of the concentrated sulfuric acid and the second ventilation pipe, preventing the situation where the hydrogen contains water and the water is not removed because the concentrated sulfuric acid does not submerge the second ventilation pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of a hydrogen purification device of the present utility model;

[0017] Figure 2 It is a schematic diagram of the impurity removal device of a hydrogen purification device of the present utility model;

[0018] Figure 3 It is a schematic diagram of the water vapor removal device of a hydrogen purification device of the present utility model;

[0019] List of drawing reference numerals: 1. Impurity removal device; 101. Engine device; 102. Stirring blade; 103. Stirring shaft; 104. Second ventilation pipe; 105. First suction fan; 106. Water injection hole; 107. Water injection hole knob; 108. First knob; 109. First valve; 112. First ventilation pipe; 110. Drainage knob; 111. Drainage port; 2. Water removal device; 201. Outer shell; 202. Second suction fan; 203. Second knob; 204. Third ventilation pipe; 206. Second valve; 205. Concentrated sulfuric acid injection knob; 207. Concentrated sulfuric acid injection valve; 208. Concentrated sulfuric acid injection port; 209. Concentrated sulfuric acid discharge knob; 210. Concentrated sulfuric acid discharge port; 211. Concentrated sulfuric acid discharge valve; 212. Visual port; 213. Concentrated sulfuric acid storage tank; 214. Pipe notch; 3. Base. Detailed implementation mode

[0020] The following will further describe the present utility model in detail in conjunction with the attached Figures 1-3 drawings.

[0021] Example 1. Refer to Figures 1-3, in this embodiment, in order to solve the problems existing in the prior art that the hydrogen separated from alkaline water contains impurities and has potential safety hazards, and the hydrogen obtained after removing impurities from pure water contains moisture, and the obtained hydrogen is not pure enough, and there is a problem of safe replacement of concentrated sulfuric acid when removing moisture. The utility model discloses a hydrogen purification device, including an impurity removal device 1, a water removal device 2, and a base 3. The second air pipe 104 on the upper right of the impurity removal device 1 passes through the pipe notch 214 on the lower left side of the water removal device 2 and enters the water removal device 2. The impurity removal device 1 and the water removal device 2 are fixed on the base 3. There is a water injection hole 106 on the upper left of the impurity removal device 1. On the left side of the impurity removal device 1, there are a first air pipe 112 and a drain port 111 from top to bottom respectively. The water removal device 2 has a housing 201. From top to bottom on the left side are a third air pipe 204, a concentrated sulfuric acid injection port 208, and a concentrated sulfuric acid outlet 210 respectively. There is an engine device 101 at the bottom of the impurity removal device 1. The bottom of the engine device 101 is connected to the base 3, and the top is connected to the stirring shaft 103 inside the impurity removal device 1. There are stirring blades 102 on the left and right sides of the stirring shaft 103. The top of the first air pipe 112 is at the same height as the top of the stirring shaft 103. The first air pipe 112 is vertically downward inside the impurity removal device 1. The bottom of the drain port 111 is at the same height as the top of the engine device 101. Inside the water removal device 2, there is a concentrated sulfuric acid storage tank 213. The upper right of the concentrated sulfuric acid storage tank 213 is connected to the concentrated sulfuric acid injection port 208, and the bottom right side of the concentrated sulfuric acid storage tank 213 is connected to the concentrated sulfuric acid outlet 210. The second air pipe 104 is vertically inserted into the left side of the concentrated sulfuric acid storage tank 213 inside the water removal device 2. On the right side of the concentrated sulfuric acid storage tank 213, between the concentrated sulfuric acid injection port 208 and the concentrated sulfuric acid outlet 210 is a viewing port 212. The thickness of the viewing port 212 is the same as that of the housing 201. On the left side of the second air pipe 104 on the upper right of the impurity removal device 1, there is a first suction fan 105. On the left side of the third air pipe 204 on the upper right of the water removal device 2, there is a second suction fan 202. The pipe notch 214 is adapted to the second air pipe 104, and there is a sealing rubber ring around the pipe notch 214. Above the water injection hole 106, there is a water injection hole knob 107. On the outer part of the first air pipe 112, there is a first valve 109. On the first valve 109, there is a first knob 108. On the drain port 111, there is a drain knob 110. On the outer part of the third air pipe 204, there is a second valve 206. On the second valve 206, there is a second knob 203. On the outer part of the concentrated sulfuric acid injection port 208, there is a concentrated sulfuric acid injection valve 207. Above the concentrated sulfuric acid injection valve 207, there is a concentrated sulfuric acid injection knob 205. On the outer part of the concentrated sulfuric acid outlet 210, there is a concentrated sulfuric acid outlet valve 211. On the concentrated sulfuric acid outlet valve 211, there is a concentrated sulfuric acid outlet knob 209.

[0022] Specific implementation principle: When using the present utility model, first rotate the water injection hole knob 107 to open the water injection hole 106 and inject water into the impurity removal device 1 until the water level exceeds the height of the stirring shaft 103. Then rotate the water injection hole knob 107 to close the water injection hole. Rotate the sulfuric acid injection knob 205 to open the sulfuric acid injection valve 207 and inject sulfuric acid. Observe through the visual port 212 until the height of the concentrated sulfuric acid is about 5 cm higher than the bottom of the second ventilation pipe 104. Rotate the sulfuric acid injection knob 205 to close the sulfuric acid injection valve 207. Connect the hydrogen gas collection pipe to the third ventilation pipe 204. Rotate the second knob 203 to open the second valve 206 and the second suction fan 202. Rotate the first knob 108 to open the first valve 109. The hydrogen gas separated from the alkaline water enters the pure water through the first ventilation pipe 112. Start the engine device 101. When the engine device 101 starts, the stirring shaft 103 starts to rotate, driving the stirring blades 102 to stir the water, so that the hydrogen gas and water are fully contacted. Start the first suction fan 105 to send the purified hydrogen gas along the second ventilation pipe 104 to the concentrated sulfuric acid storage tank, where it is dehydrated by the concentrated sulfuric acid, and finally reaches the hydrogen gas collection pipe through the third ventilation pipe 204 to complete the purification of hydrogen gas. If it is necessary to change the water, rotate the drain knob 110 to open the drain port 111 until no water flows out. Then rotate the drain knob 110 to close the drain port 111. Rotate the water injection hole knob 107 to open the water injection hole 106 for a new round of water injection. If it is necessary to replace the concentrated sulfuric acid, rotate the sulfuric acid discharge knob 209 to open the sulfuric acid discharge valve 211 until no sulfuric acid flows out. Then rotate the sulfuric acid discharge knob 209 again to close the sulfuric acid discharge valve 211. Rotate the sulfuric acid injection knob 205 for a new round of sulfuric acid injection.

[0023] The above are all the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A hydrogen purification device, characterized in that: include, An impurity removal device (1), a water removal device (2), and a base (3); a second ventilation pipe (104) on the upper right side of the impurity removal device (1) passes through a pipe notch (214) on the lower left side of the water removal device (2) to enter the water removal device (2); the impurity removal device (1) and the water removal device (2) are fixed on the base (3); a water injection hole (106) is provided on the upper left side of the impurity removal device (1); a first ventilation pipe (112) and a water outlet (111) are provided on the left side of the impurity removal device (1) from top to bottom; the water removal device (2) has a housing (201); a third ventilation pipe (204), a sulfuric acid injection port (208), and a sulfuric acid outlet (210) are provided on the left side from top to bottom; an engine device (101) is provided at the bottom of the impurity removal device (1); the bottom of the engine device (101) and the base (3) The first vent pipe (112) is connected to the impurity removal device (1), the top is connected to the stirring shaft (103) inside the impurity removal device (1), the stirring shaft (103) has stirring blades (102) on the left and right sides, the first vent pipe (112) is at the same height as the top of the stirring shaft (103), the first vent pipe (112) is vertically downward inside the impurity removal device (1), and the bottom of the drain port (111) is at the same height as the top of the engine device (101); the dewatering device (2) has a concentrated sulfuric acid storage tank (213) inside, the upper right of the concentrated sulfuric acid storage tank (213) is connected to the sulfuric acid injection port (208), the right bottom of the concentrated sulfuric acid storage tank (213) is connected to the sulfuric acid outlet (210), and the second vent pipe (104) is vertically inserted into the left side of the concentrated sulfuric acid storage tank (213) inside the dewatering device (2).

2. A hydrogen purification device according to claim 1, characterized in that: On the right side of the concentrated sulfuric acid storage box (213), between the sulfuric acid injection port (208) and the sulfuric acid outlet port (210) is a visual port (212), and the thickness of the visual port (212) is the same as that of the outer shell (201).

3. A hydrogen purification device according to claim 1, characterized in that: A first air intake fan (105) is provided on the left side of the second air duct (104) at the upper right of the impurity removal device (1), and a second air intake fan (202) is provided on the left side of the third air duct (204) at the upper right of the water removal device (2).

4. A hydrogen purification device according to claim 1, characterized in that: The pipeline notch (214) is matched with the second ventilation pipe (104), and a sealing rubber ring is provided around the pipeline notch (214).

5. A hydrogen purification device according to claim 1, characterized in that: A water injection hole knob (107) is provided above the water injection hole (106); a first valve (109) is provided on the outer portion of the first ventilation pipe (112); a first knob (108) is provided on the first valve (109); a water discharge knob (110) is provided on the water discharge port (111); a second valve (206) is provided on the outer portion of the third ventilation pipe (204); a second knob (203) is provided on the second valve (206); a sulfuric acid injection valve (207) is provided on the outer portion of the sulfuric acid injection port (208); a sulfuric acid injection knob (205) is provided above the sulfuric acid injection valve (207); a sulfuric acid outlet valve (211) is provided on the outer portion of the sulfuric acid outlet port (210); and a sulfuric acid outlet knob (209) is provided on the sulfuric acid outlet valve (211).

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