Sealed integrated alkaline water electrolysis hydrogen production device

Abstract

The utility model discloses a sealed integrated alkaline water electrolysis hydrogen production device, and relates to the technical field of water electrolysis hydrogen production. The device comprises a bottom plate, a sliding assembly is arranged at the top of the bottom plate, a detection assembly is arranged at the bottom of the sliding assembly, a limiting assembly, an electrolysis assembly and a conveying assembly are arranged at the top of the sliding assembly, and a stepped groove and a ring groove are formed in the electrolysis assembly. Through connection of the sliding assembly and the limiting assembly, when the sliding assembly does not need to move, the limiting assembly is connected with the sliding assembly in an inserted mode, the sliding assembly is limited and fixed, the sliding assembly actively drives the electrolysis assembly and the drawing assembly to move, and the situation that equipment is damaged due to large fluctuation of the water surface can be avoided; and meanwhile, the redundant part of the separation membrane in the electrolysis assembly is extruded in the annular groove by the sealing gasket, so that even if the separation membrane shrinks, the allowance reserved in the annular groove can prevent the chambers of the cathode and the anode from being conducted, and the safety is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water electrolysis hydrogen production, and specifically relates to a sealed integrated alkaline water electrolysis hydrogen production device. Background Art

[0002] Hydrogen production by water electrolysis is to decompose water into hydrogen and oxygen by using the principle of electrolysis. The electrolyzer used for hydrogen production by water electrolysis usually consists of anode and cathode, electrolyte, power supply and collector. The cathode produces hydrogen, while the anode produces oxygen. The two gases enter the collector for collection. The electrolyte can be pure water or an aqueous solution containing electrolyte.

[0003] Chinese patent CN218372540U discloses a highly adaptive water electrolysis hydrogen production device, which belongs to the technical field of water electrolysis hydrogen production. The highly adaptive water electrolysis hydrogen production device comprises: a sealed box, a floating plate, water electrolysis hydrogen production equipment, a base and a guide column, wherein the guide column is vertically arranged on the base and extends upward to the outside of the sealed box, a guide sleeve sleeved on the corresponding guide column is arranged on the side of the sealed box, the water electrolysis hydrogen production equipment is arranged in the sealed box, an electrolyte pipe joint connected to the water electrolysis hydrogen production equipment is arranged on the side of the sealed box, a cover plate is arranged on the top of the sealed box, a solar battery is arranged on the cover plate, and the floating plate is arranged at the bottom of the sealed box.

[0004] The height of water electrolysis hydrogen production equipment is often fixed, and it cannot be installed in water-rich areas such as rivers and lakes, and has certain limitations. In the above-mentioned documents, the buoyancy of the float in the water supports the suspension of the sealed box to improve the adaptability to the water surface height, but the height of the water electrolysis hydrogen production equipment can only be passively adjusted with the water surface height, and it cannot be fixed when the water surface fluctuates greatly, which can easily cause equipment damage; and the water electrolysis hydrogen production equipment used therein needs to be equipped with a separator membrane to separate the cathode and the anode, while the separator membrane of a general water electrolysis hydrogen production equipment will shrink due to heat during operation, and the edge of the membrane will shrink into the reaction chamber, resulting in the hydrogen and oxygen between the anode and cathode being interconnected, causing danger.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] In view of the problems in the related technology, the utility model proposes a sealed integrated alkaline water electrolysis hydrogen production device to overcome the above technical problems existing in the existing related technology.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses a sealed integrated alkaline water electrolysis hydrogen production device, comprising a bottom plate, a sliding component is arranged on the top of the bottom plate, a detection component is arranged on the bottom of the sliding component, a limiting component, an electrolysis component and a conveying component are arranged on the top of the sliding component, a stepped groove and an annular groove are provided inside the electrolysis component, a sealing gasket is fixedly installed inside the annular groove, the sliding component is used to drive the electrolysis component and the conveying component to move up and down, the detection component is electrically connected to the sliding component and the limiting component, the detection component is used to detect the distance between the sliding component and the water surface, the limiting component is used to limit and fix the sliding component, and the conveying component is used to convey pure water or alkaline solution to the electrolysis component.

[0009] Furthermore, the sliding assembly includes a column, a rack is fixedly connected to the inside of the column, a sliding plate is slidably connected to the outer surface of the column, a motor is fixedly connected to the top of the sliding plate, a circular plate is fixedly connected to the output shaft of the motor, a gear is fixedly connected to the inside of the circular plate, and the gear is meshed with the rack.

[0010] Furthermore, the detection assembly includes a round rod, which is fixedly connected to the top of the base plate, the round rod is slidably connected to the sliding plate, the outer surface of the round rod is slidably connected to a floating plate, the outer surface of the round rod is provided with a square groove, the floating plate is located at the bottom of the sliding plate, the top of the floating plate is fixedly connected to a first detector, and the bottom of the sliding plate is fixedly connected to a second detector.

[0011] Furthermore, the limit assembly includes an electric push rod, the output end of the electric push rod is fixedly connected to an insertion rod, the outer surface of the electric push rod is fixedly connected to a support plate, the electric push rod and the support plate are both fixedly connected to the sliding plate, the outer surface of the column is provided with a limit hole, and the insertion rod is plugged into the limit hole.

[0012] Furthermore, the electrolytic assembly includes a shell, a pole plate is arranged inside the shell, a pole piece is fixedly installed inside the pole plate, a support net is arranged on the outer surface of the pole plate, a positive pole net is arranged on the outer surface of the support net, a gasket is arranged on the outer surface of the positive pole net, the positive pole net is located on one side of the gasket, and a negative pole net is arranged on the other side of the gasket, the step groove and the annular groove are both opened on the outer surface of the gasket, and a diaphragm is pressed into the inside of the gasket through a sealing gasket.

[0013] Furthermore, the conveying component includes a filter and a water drawing tank, both of which are fixedly connected to the top of the sliding plate, and the outer surfaces of the filter and the water drawing tank are fixedly connected with pipes, one end of the pipe is located at the bottom of the sliding plate, and the other end of the pipe extends to the interior of the outer shell.

[0014] Furthermore, the top of the column is fixedly connected to a limit plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model connects the sliding component and the limiting component. When the sliding component does not need to move, the limiting component is plugged into the sliding component to limit and fix the sliding component. The sliding component actively drives the electrolytic component and the extraction component to move, which can avoid equipment damage caused by large water surface fluctuations. At the same time, the excess part of the separation membrane in the electrolytic component is squeezed into the ring groove by the sealing gasket. Even if the separation membrane shrinks, the margin left in the ring groove can avoid the cathode and anode chambers from being connected, thereby improving safety.

[0017] The utility model connects the plug rod with the column, and the sliding plate can actively slide on the column. When the sliding plate does not need to slide on the column, the plug rod is fixed on the sliding plate. After the plug rod is plugged into the limit block on the column, the sliding plate and the column are fixed and are not affected by water surface fluctuations. At the same time, part of the excess of the diaphragm is pressed in the annular groove by the sealing gasket. When the diaphragm shrinks due to heat during operation, the diaphragm cannot be staggered with the gasket, thereby ensuring that hydrogen and oxygen cannot be mixed, thereby improving safety.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the utility model embodiments, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the external contour structure of the utility model;

[0021] Figure 2 For the utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 3 For the utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0024] Figure 5 It is a schematic diagram of the plate structure of the utility model;

[0025] Figure 6 This is a schematic diagram of the ring groove structure of the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Bottom plate; 2. Sliding assembly; 201. Column; 202. Rack; 203. Sliding plate; 204. Motor; 205. Circular plate; 206. Gear; 3. Detection assembly; 301. Round rod; 302. Floating plate; 303. Square groove; 304. First detector; 305. Second detector; 4. Limiting assembly; 401. Electric push rod; 402. Insert rod; 403. Support plate; 404. Limiting hole; 5. Preparation assembly; 501. Shell; 502. Pole frame; 503. Pole piece; 504. Support net; 505. Positive net; 506. Gasket; 507; Negative net; 508. Diaphragm; 6. Conveying assembly; 601. Filter; 602. Water tank; 603. Pipeline; 7. Step groove; 8. Ring groove; 9. Sealing pad; 10. Limiting plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] See also Figure 1-Figure 6 As shown, the utility model is a sealed integrated alkaline water electrolysis hydrogen production device, including a base plate 1, a sliding component 2 is arranged on the top of the base plate 1, a detection component 3 is arranged on the bottom of the sliding component 2, a limiting component 4, an electrolysis component 5 and a conveying component 6 are arranged on the top of the sliding component 2, a stepped groove 7 and an annular groove 8 are opened inside the electrolysis component 5, a sealing gasket 9 is fixedly installed inside the annular groove 8, the sliding component 2 is used to drive the electrolysis component 5 and the conveying component 6 to move up and down, the detection component 3 is electrically connected to the sliding component 2 and the limiting component 4, the detection component 3 is used to detect the distance between the sliding component 2 and the water surface, the limiting component 4 is used to limit and fix the sliding component 2, and the conveying component 6 is used to convey pure water or alkali solution to the electrolysis component 5.

[0031] The bottom plate 1 is placed on the bottom of the water, and the sliding component 2 on the bottom plate 1 is located on the water surface. The conveying component 6 draws water resources from the bottom of the sliding component 2 and conveys it to the electrolysis component 5 for electrolysis. When the water surface height changes, the detection component 3 detects the change in the height distance from the water surface and makes the limit component 4 and the sliding component 2 work. The limit component 4 releases the limit fixation of the sliding component 2, and the sliding component 2 drives the conveying component 6 and the electrolysis component 5 to descend, so that the conveying component 6 contacts the water surface again, and the separation membrane in the electrolysis component 5 that acts as a partition will be pressed by the sealing gasket 9 to prevent it from shrinking.

[0032] The utility model connects the sliding component 2 and the limiting component 4. When the sliding component 2 does not need to move, the limiting component 4 is plugged into the sliding component 2 to limit and fix the sliding component 2. The sliding component 2 actively drives the electrolytic component 5 and the extraction component 6 to move, which can avoid equipment damage due to large water surface fluctuations. At the same time, the excess part of the separation membrane in the electrolytic component 5 is squeezed into the annular groove 8 by the sealing gasket 9. Even if the separation membrane shrinks, the surplus left in the annular groove 8 can avoid the cathode and anode chambers from being connected, thereby improving safety.

[0033] In one embodiment, for the above-mentioned sliding component 2, the sliding component 2 includes a column 201, the interior of the column 201 is fixedly connected with a rack 202, the outer surface of the column 201 is slidably connected with a sliding plate 203, the top of the sliding plate 203 is fixedly connected with a motor 204, the output shaft of the motor 204 is fixedly connected with a circular plate 205, the interior of the circular plate 205 is fixedly connected with a gear 206, and the gear 206 is meshed with the rack 202.

[0034] Start the motor 204, which drives the circular plate 205 and the gear 206 to rotate. The gear 206 rolls along the gear 202, and the gear 206 drives the motor 202 and the sliding plate 203 to move up and down, thereby changing the height of the electrolytic component 5 and the conveying component 6. A part of the circular plate 205 is located inside the column 201, which can prevent the gear 206 in the circular plate 205 from moving.

[0035] In one embodiment, for the above-mentioned detection component 3, the detection component 3 includes a round rod 301, the round rod 301 is fixedly connected to the top of the base plate 1, the round rod 301 is slidably connected to the sliding plate 203, the outer surface of the round rod 301 is slidably connected with a floating plate 302, the outer surface of the round rod 301 is provided with a square groove 303, the floating plate 302 is located at the bottom of the sliding plate 203, the top of the floating plate 302 is fixedly connected with a first detector 304, and the bottom of the sliding plate 203 is fixedly connected with a second detector 305.

[0036] When the water level changes, the floating plate 302 floating on the water surface changes accordingly, and the floating plate 302 slides along the round rod 301 and the square groove 303. The floating plate 302 drives the first detector 304 to move, and the height between the first detector 304 and the second detector 305 changes, so that a signal can be sent to make the motor 202 and the limit assembly 4 work. Through the connection between the floating plate 302 and the square groove 303, the square groove 303 limits the floating plate 302 to prevent the floating plate 302 from rotating on the round rod 301.

[0037] In one embodiment, for the above-mentioned limit assembly 4, the limit assembly 4 includes an electric push rod 401, the output end of the electric push rod 401 is fixedly connected to the insertion rod 402, the outer surface of the electric push rod 401 is fixedly connected to the support plate 403, the electric push rod 401 and the support plate 403 are both fixedly connected to the sliding plate 203, the outer surface of the column 201 is provided with a limit hole 404, and the insertion rod 402 is plugged into the limit hole 404.

[0038] The electric push rod 401 drives the insertion rod 402 to move. When the insertion rod 402 is separated from the limiting hole 404 on the column 201, the sliding plate 203 can slide along the column 201. After the height bar of the sliding plate 203 is adjusted, the insertion rod 402 is plugged into the limiting block 404 again to fix the sliding plate 203, so that the sliding plate 203 remains stable.

[0039] In one embodiment, for the above-mentioned electrolytic component 5, the electrolytic component 5 includes a shell 501, a pole plate 502 is arranged inside the shell 501, a pole piece 503 is fixedly installed inside the pole plate 502, a support net 504 is arranged on the outer surface of the pole plate 502, a positive electrode net 505 is arranged on the outer surface of the support net 504, a gasket 506 is arranged on the outer surface of the positive electrode net 505, the positive electrode net 505 is located on one side of the gasket 506, and a negative electrode net 507 is arranged on the other side of the gasket 506, the stepped groove 7 and the annular groove 8 are both opened on the outer surface of the gasket 506, and a diaphragm 508 is pressed into the inside of the gasket 506 through a sealing gasket 9.

[0040] The positive electrode net 505 and the negative electrode net 507 electrolyze pure water or weak alkaline solution respectively, and hydrogen and oxygen are generated during the electrolysis process. At this time, the diaphragm 508 between the positive electrode net 505 and the negative electrode net 507 can separate the hydrogen and oxygen. The material of the diaphragm 508 is a PPS (polyphenylene sulfide) fabric diaphragm or a PPS-based zirconia and polysulfone composite diaphragm. At the same time, the diameter of the diaphragm 508 is larger than the diameter of the annular groove 8 on the gasket 506. When the diaphragm 508 is installed, the excess of the diaphragm 508 is pressed into the annular groove 8 by the sealing gasket 9. When the diaphragm 508 shrinks due to heat during operation, the diaphragm 508 can be prevented from being staggered with the gasket 506, thereby ensuring that hydrogen and oxygen cannot be mixed, thereby improving safety.

[0041] In one embodiment, for the above-mentioned conveying component 6, the conveying component 6 includes a filter 601 and a water drawing tank 602, and the filter 601 and the water drawing tank 602 are both fixedly connected to the top of the sliding plate 203, and the outer surfaces of the filter 601 and the water drawing tank 602 are both fixedly connected with a pipe 603, one end of the pipe 603 is located at the bottom of the sliding plate 203, and the other end of the pipe 603 extends to the interior of the outer shell 501.

[0042] The water-drawing tank 602 absorbs the river water under the sliding plate 203 through the pipe 603 and transports it to the filter 601. After being filtered by the filter 601, the river water is purified into pure water and transported to the outer shell 501 for electrolysis. When the position of the sliding plate 203 changes, the sliding plate 203 will drive the pipe 603 to move synchronously, so that the pipe 603 can always draw river water.

[0043] In one embodiment, for the above-mentioned column 201 , the top of the column 201 is fixedly connected to the limiting plate 10 .

[0044] The limiting plate 10 can limit the moving distance of the sliding plate 203 to prevent the sliding plate 203 from slipping out of the column 201 during the ascending process and causing an accident.

[0045] Through the above technical scheme, 1. through the connection between the sliding component 2 and the limiting component 4, when the sliding component 2 does not need to move, the limiting component 4 is plugged into the sliding component 2 to limit and fix the sliding component 2, and the sliding component 2 actively drives the electrolytic component 5 and the extraction component 6 to move, which can avoid the damage of equipment due to large water surface fluctuations. At the same time, the excess part of the separation membrane in the electrolytic component 5 is squeezed into the annular groove 8 by the sealing gasket 9. Even if the separation membrane shrinks, the margin left in the annular groove 8 can avoid the conduction of the cathode and anode chambers, thereby improving safety. 2. Through the connection between the plug rod 402 and the column 201, the sliding plate 203 can actively slide on the column 201. When the sliding plate 203 does not need to slide on the column 201, since the plug rod 402 is fixed on the sliding plate 203, after the plug rod 402 is plugged into the limit block 404 on the column 201, the sliding plate 203 and the column 201 are fixed and are not affected by water surface fluctuations. At the same time, part of the excess of the diaphragm 508 is pressed into the annular groove 8 by the sealing gasket 9. When the diaphragm 508 shrinks due to heat during operation, the diaphragm 508 cannot be staggered with the gasket 506, thereby ensuring that hydrogen and oxygen cannot be mixed, thereby improving safety.

[0046] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sealed integrated alkaline water electrolysis hydrogen production device, comprising a bottom plate (1), characterized in that: A sliding component (2) is arranged on the top of the bottom plate (1), a detection component (3) is arranged on the bottom of the sliding component (2), a limit component (4), an electrolysis component (5) and a conveying component (6) are arranged on the top of the sliding component (2), a stepped groove (7) and an annular groove (8) are provided inside the electrolysis component (5), a sealing gasket (9) is fixedly installed inside the annular groove (8), the sliding component (2) is used to drive the electrolysis component (5) and the conveying component (6) to move up and down, the detection component (3) is electrically connected to the sliding component (2) and the limit component (4), the detection component (3) is used to detect the distance between the sliding component (2) and the water surface, the limit component (4) is used to limit and fix the sliding component (2), and the conveying component (6) is used to convey pure water or alkali liquid to the electrolysis component (5).

2. A sealed integrated alkaline water electrolysis hydrogen production device according to claim 1, characterized in that: The sliding assembly (2) comprises a column (201), a rack (202) is fixedly connected inside the column (201), a sliding plate (203) is slidably connected to the outer surface of the column (201), a motor (204) is fixedly connected to the top of the sliding plate (203), a circular plate (205) is fixedly connected to the output shaft of the motor (204), a gear (206) is fixedly connected inside the circular plate (205), and the gear (206) is meshed with the rack (202).

3. A sealed integrated alkaline water electrolysis hydrogen production device according to claim 2, characterized in that: The detection assembly (3) comprises a round rod (301), the round rod (301) being fixedly connected to the top of the bottom plate (1), the round rod (301) being slidably connected to the sliding plate (203), the outer surface of the round rod (301) being slidably connected to a floating plate (302), the outer surface of the round rod (301) being provided with a square groove (303), the floating plate (302) being located at the bottom of the sliding plate (203), the top of the floating plate (302) being fixedly connected to a first detector (304), and the bottom of the sliding plate (203) being fixedly connected to a second detector (305).

4. A sealed integrated alkaline water electrolysis hydrogen production device according to claim 3, characterized in that: The limit assembly (4) comprises an electric push rod (401), the output end of the electric push rod (401) is fixedly connected to an insertion rod (402), the outer surface of the electric push rod (401) is fixedly connected to a support plate (403), the electric push rod (401) and the support plate (403) are both fixedly connected to the sliding plate (203), the outer surface of the column (201) is provided with a limit hole (404), and the insertion rod (402) is plugged into the limit hole (404).

5. A sealed integrated alkaline water electrolysis hydrogen production device according to claim 4, characterized in that: The electrolytic assembly (5) comprises a shell (501), an electrode plate (502) is arranged inside the shell (501), an electrode piece (503) is fixedly installed inside the electrode plate (502), a support net (504) is arranged on the outer surface of the electrode plate (502), a positive electrode net (505) is arranged on the outer surface of the support net (504), a gasket (506) is arranged on the outer surface of the positive electrode net (505), the positive electrode net (505) is located on one side of the gasket (506), and a negative electrode net (507) is arranged on the other side of the gasket (506), the stepped groove (7) and the annular groove (8) are both opened on the outer surface of the gasket (506), and a diaphragm (508) is pressed into the inside of the gasket (506) through a sealing gasket (9).

6. A sealed integrated alkaline water electrolysis hydrogen production device according to claim 5, characterized in that: The conveying assembly (6) comprises a filter (601) and a water-drawing tank (602), wherein the filter (601) and the water-drawing tank (602) are both fixedly connected to the top of the sliding plate (203), and the outer surfaces of the filter (601) and the water-drawing tank (602) are both fixedly connected with a pipe (603), one end of the pipe (603) is located at the bottom of the sliding plate (203), and the other end of the pipe (603) extends to the interior of the housing (501).

7. A sealed integrated alkaline water electrolysis hydrogen production device according to claim 2, characterized in that: The top of the upright column (201) is fixedly connected to a limiting plate (10).

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