Water replenishing device of water electrolysis hydrogen production equipment

Abstract

The utility model discloses a water replenishing device of water electrolysis hydrogen production equipment, which comprises an electrolysis hydrogen production cylinder, a connecting ring, a water adding mechanism, a U-shaped frame and a driving piece, the water adding mechanism comprises a transparent water adding barrel, a water inlet pipe and a scraping assembly, an output shaft of the driving part sequentially penetrates through the U-shaped frame and a top plate of the transparent water adding barrel and is connected with the top of the scraping assembly, a water outlet is eccentrically formed in the bottom of the transparent water adding barrel, and a water inlet barrel corresponding to the water outlet is eccentrically arranged at the top of the electrolytic hydrogen production barrel; the top of the water inlet cylinder makes contact with the bottom of the transparent water adding cylinder, and a filtering assembly is detachably arranged on the water outlet. Through the arrangement of the scraping assembly, dirt on the top wall, the side wall and the bottom wall in the transparent water adding barrel can be scraped, and meanwhile quantitative water adding of the transparent water adding barrel to the electrolytic hydrogen production barrel can be achieved; and the filtering assembly can filter water flowing out of the water outlet, so that incrustation is prevented from entering the electrolytic hydrogen production barrel.

Description

Technical Field

[0001] The utility model relates to the technical field of water electrolysis hydrogen production equipment, in particular to a water replenishing device for water electrolysis hydrogen production equipment. Background Art

[0002] Hydrogen production by water electrolysis is a relatively convenient method for producing hydrogen. Direct current is passed into an electrolytic cell filled with electrolyte, and water molecules undergo electrochemical reactions on the electrodes, decomposing into hydrogen and oxygen. As the electrolysis reaction continues, the water in the electrolytic cell will continue to be consumed. If water cannot be added to the electrolytic cell in time, the normal operation of hydrogen production will be affected.

[0003] The existing patent announcement number is CN216323958U, which discloses a quantitative water replenishing device for calcium hydroxide production, including a frame, movable wheels are fixedly installed at the four corners of the lower end surface of the frame, and a water replenishing device is fixedly installed at one side of the middle of the upper end surface of the frame. By stretching the stretching rod, the stretching rod can be threadedly connected to the external sleeve through the external thread and the internal threaded movable groove, so that the external sleeve can be effectively driven to rotate left and right, and the resistance roller can be driven to scrape off the dirt adhered to the inner wall of the water replenishing device, so that the cleaning process of the water replenishing device can be completed quickly and effectively.

[0004] The above-mentioned device still has the following problems during use: the water replenishing device needs to be suspended, and then the dirt inside the water replenishing device needs to be scraped off by the resistance roller, and the dirt cannot be cleaned while replenishing water; it is not convenient for the water replenishing device to replenish water in a directional manner when adding water, which leads to too much or too little water inside the water replenishing device, and then causes the failure of water electrolysis to produce hydrogen. Utility Model Content

[0005] The utility model aims to provide a water replenishing device for water electrolysis hydrogen production equipment to solve the problems that the existing water replenishing device cannot replenish water and clean dirt at the same time, and cannot replenish water in a directional manner.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] A water replenishing device for water electrolysis hydrogen production equipment, comprising an electrolysis hydrogen production cylinder, and further comprising: a connecting ring annularly arranged on the outside of the top of the electrolysis hydrogen production cylinder, a water adding mechanism installed on the inside of the top of the connecting ring, a U-shaped frame erected on the top of the connecting ring and located above the water adding mechanism, and a driving member arranged on the top of the U-shaped frame;

[0008] The water adding mechanism comprises a transparent water adding cylinder placed on the inner side of the top of the connecting ring, a water inlet pipe arranged on the top of the transparent water adding cylinder and connected to the transparent water adding cylinder, and a scraping assembly located inside the transparent water adding cylinder and respectively in contact with the top wall, side wall and bottom wall of the transparent water adding cylinder. The output shaft of the driving member sequentially passes through the U-shaped frame, the top plate of the transparent water adding cylinder and is connected to the top of the scraping assembly. An outlet is eccentrically provided at the bottom of the transparent water adding cylinder. An inlet cylinder corresponding to the outlet is eccentrically provided at the top of the electrolytic hydrogen production cylinder, and the top of the inlet cylinder is in contact with the bottom of the transparent water adding cylinder. A filter assembly is detachably provided on the water outlet.

[0009] Furthermore, the scraping assembly includes a semicircular plate located on the inner bottom wall of the transparent water adding cylinder and used to cover the water outlet, a U-shaped scraper located inside the transparent water adding cylinder, and a brush arranged on the U-shaped scraper and respectively in contact with the top wall, side wall and bottom wall of the transparent water adding cylinder, the output shaft of the driving member is connected to the top end of the U-shaped scraper, and the straight edge section of the semicircular plate is connected to the bottom end of the U-shaped scraper.

[0010] Furthermore, the diameter of the semicircular plate is equal to the diameter of the transparent water-adding cylinder.

[0011] Furthermore, a first annular groove matching the transparent water-filling cylinder is formed on the inner side of the top of the connecting ring.

[0012] Furthermore, a second annular groove is provided on the inner side of the bottom of the connecting ring to cooperate with the outer thread of the top of the electrolytic hydrogen production cylinder.

[0013] Furthermore, the above-mentioned filter assembly includes a first circular ring matching the size of the water outlet, a filter net arranged on the inner wall of the first circular ring, a second circular ring located on the outside of the first circular ring and concentric with the first circular ring, and an annular plate connected between the bottom of the first circular ring and the bottom of the second circular ring. The bottom of the transparent water-filling cylinder is provided with a third annular groove matching the second circular ring.

[0014] Furthermore, an annular step connected to the third annular groove and the water outlet is provided at the bottom of the transparent water-adding cylinder, and the size of the annular step matches the size of the annular plate.

[0015] Furthermore, the height of the second circular ring is greater than the height of the first circular ring.

[0016] The utility model has the following beneficial effects:

[0017] 1. The water replenishing device for water electrolysis hydrogen production equipment of the utility model fills the transparent water adding cylinder with water through the water inlet pipe on the top of the transparent water adding cylinder, and the scraping component inside the transparent water adding cylinder can be driven to rotate under the action of the driving member, so as to scrape the dirt on the internal top wall, side wall and bottom wall of the transparent water adding cylinder, and at the same time, the scraping component can connect and disconnect the water outlet and the water inlet cylinder under the drive of the driving member; when the water outlet is connected with the water inlet cylinder, the water in the transparent water adding cylinder can be added to the electrolysis hydrogen production cylinder, and when the scraping component blocks the water outlet and the water inlet cylinder, the water addition is suspended, so that the transparent water adding cylinder can add water quantitatively to the electrolysis hydrogen production cylinder; the filtering component can filter the water flowing out of the water outlet, so as to prevent scale from entering the electrolysis hydrogen production cylinder.

[0018] 2. In the filter assembly of the present invention, an annular buckle structure is formed between the first circular ring, the second circular ring and the annular plate, and the third annular groove and the annular step form an annular buckle groove that is engaged with the annular buckle, so as to facilitate the disassembly and assembly of the filter assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a water replenishment device for a water electrolysis hydrogen production device;

[0020] Figure 2 It is a schematic cross-sectional structure diagram of a water replenishment device for a water electrolysis hydrogen production equipment;

[0021] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A;

[0022] Figure 4 is a schematic diagram of the cross-sectional structure of the filter assembly;

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the transparent water adding cylinder and the connecting ring.

[0024] In the figure: 1. electrolytic hydrogen production cylinder; 11. water inlet cylinder; 2. connecting ring; 21. first annular groove; 22. second annular groove; 3. water adding mechanism; 31. transparent water adding cylinder; 311. water outlet; 312. third annular groove; 32. water inlet pipe; 33. scraping assembly; 331. semicircular plate; 332. U-shaped scraper; 34. filtering assembly; 341. first circular ring; 342. filter screen; 343. second circular ring; 344. annular plate; 4. U-shaped frame; 5. driving member. DETAILED DESCRIPTION

[0025] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0026] like Figures 1 to 3As shown, in an embodiment of the present invention, a water replenishing device for water electrolysis hydrogen production equipment is provided, comprising an electrolysis hydrogen production cylinder 1, a plurality of supporting legs are fixed to the bottom of the electrolysis hydrogen production cylinder 1; a connecting ring 2 is arranged in an annular manner on the top outer side of the electrolysis hydrogen production cylinder 1, a second annular groove 22 is provided on the inner side of the bottom of the connecting ring 2 to cooperate with the outer thread of the top of the electrolysis hydrogen production cylinder 1, the inner side wall of the second annular groove 22 is provided with an inner thread, and the top outer wall of the electrolysis hydrogen production cylinder 1 is provided with an outer thread to cooperate with the inner thread of the inner side wall of the second annular groove 22; a water adding mechanism 3 is installed on the inner side of the top of the connecting ring 2, and the setting of the connecting ring 2 facilitates the installation of the water adding mechanism 3; a U-shaped frame 4 is erected on the top of the connecting ring 2 and located above the water adding mechanism 3, the U-shaped frame 4 is inverted, and a driving member 5 is arranged on the top of the U-shaped frame 4, the driving member 5 adopts a rotating motor, and the rotating motor is fixed to the top of the U-shaped frame 4 by screws;

[0027] Specifically, the water adding mechanism 3 includes a transparent water adding cylinder 31 placed on the inner side of the top of the connecting ring 2, the outer wall of the transparent water adding cylinder 31 is provided with a scale, which is convenient for real-time observation of the water level in the transparent water adding cylinder 31, and the inner side of the top of the connecting ring 2 is provided with a first annular groove 21 matching the transparent water adding cylinder 31, which is convenient for placing and limiting the transparent water adding cylinder 31; a water inlet pipe 32 is arranged on the top of the transparent water adding cylinder 31 and is connected to the transparent water adding cylinder 31, and water can be added to the transparent water adding cylinder 31 through the water inlet pipe 32, and a water inlet pipe 32 is arranged inside the transparent water adding cylinder 31 and connected to the transparent water adding cylinder 31. The scraping assembly 33 is respectively in contact with the top wall, side wall and bottom wall of the transparent water-adding cylinder 31, and the output shaft of the driving member 5 passes through the U-shaped frame 4 and the top plate of the transparent water-adding cylinder 31 in sequence and is connected to the top of the scraping assembly 33. The bottom of the transparent water-adding cylinder 31 is eccentrically provided with a water outlet 311, and the top of the electrolysis hydrogen production cylinder 1 is eccentrically provided with a water inlet cylinder 11 corresponding to the water outlet 311, and the top of the water inlet cylinder 11 is in contact with the bottom of the transparent water-adding cylinder 31, and a filter assembly 34 is detachably provided on the water outlet 311, and the filter assembly 34 also corresponds to the water inlet cylinder 11. The driving member 5 drives the scraping component 33 to rotate and scrape the dirt on the top wall, side wall and bottom wall in the transparent water adding cylinder 31; at the same time, the scraping component 33 controls the connection and disconnection of the water outlet 311 and the water inlet cylinder 11. When the water outlet 311 is connected to the water inlet cylinder 11, the water in the transparent water adding cylinder 31 can be added to the electrolytic hydrogen production cylinder 1 through the water outlet 311. When the scraping component 33 blocks the water outlet 311, the water addition is suspended to realize the quantitative water addition of the transparent water adding cylinder 31 to the electrolytic hydrogen production cylinder 1; the filtering component 34 can filter the dirt scraped by the scraping component 33 to prevent the dirt from entering the electrolytic hydrogen production cylinder 1.

[0028] like Figure 2As shown, the scraping assembly 33 includes a semicircular plate 331 located on the inner bottom wall of the transparent water adding cylinder 31 and used to cover the water outlet 311, and the diameter of the semicircular plate 331 is equal to the diameter of the transparent water adding cylinder 31; a U-shaped scraper 332 located inside the transparent water adding cylinder 31, the U-shaped scraper 332 is arranged horizontally, the top side plate corresponds to the top wall of the transparent water adding cylinder 31, the bottom side plate corresponds to the bottom wall of the transparent water adding cylinder 31, and the vertical side plate corresponds to the side wall of the transparent water adding cylinder 31; and a brush is arranged on the U-shaped scraper 332 and contacts the top wall, side wall and bottom wall of the transparent water adding cylinder 31 respectively, the output shaft of the driving member 5 is connected to the top end of the U-shaped scraper 332, and the straight edge section of the semicircular plate 331 is connected to the bottom end of the U-shaped scraper 332. When the driving member 5 drives the U-shaped scraper 332 to rotate, the dirt on the top wall, side wall and bottom wall of the transparent water adding cylinder 31 can be scraped off under the action of the brush. When the U-shaped scraper 332 rotates, it drives the semicircular plate 331 to rotate together, which is convenient for real-time control of the connection and disconnection of the water outlet 311 and the water inlet cylinder 11, and convenient for quantitative addition of water into the electrolytic hydrogen production cylinder 1.

[0029] like Figures 3 to 5 As shown, the filter assembly 34 includes a first circular ring 341 that matches the size of the water outlet 311, a filter screen 342 arranged on the inner wall of the first circular ring 341, the filter screen 342 is used to filter dirt, a second circular ring 343 located on the outside of the first circular ring 341 and concentric with the first circular ring 341, and the height of the second circular ring 343 is greater than the height of the first circular ring 341, and an annular plate 344 connected between the bottom of the first circular ring 341 and the bottom of the second circular ring 343. The first circular ring 341, the second circular ring 343, and the annular plate 344 are combined to form a snap-on structure. In this embodiment, the first circular ring 341, the second circular ring 343 and the annular plate 344 are integrally formed.

[0030] The bottom of the transparent water-adding cylinder 31 is provided with a third annular groove 312 that matches the second circular ring 343; the bottom of the transparent water-adding cylinder 31 is provided with an annular step that is connected to the third annular groove 312 and the water outlet 311 respectively, and the size of the annular step matches the size of the annular plate 344. The third annular groove 312 and the annular step form a slot that is engaged with the above-mentioned snap structure. When in use, the first circular ring 341 is inserted into the water outlet 311, the second circular ring 343 is inserted into the third annular groove 312, and the annular plate 344 is inserted into the annular step, which is convenient for disassembly and assembly. In other embodiments of the utility model, the filter assembly 34 includes a connecting circular ring and a filter circular net embedded in the inner side wall of the connecting circular ring. The connecting circular ring can be connected to the bottom of the transparent water-adding cylinder 31 by screws, which is convenient for disassembly and assembly of the filter assembly 34.

[0031] When in use, water is filled into the transparent water adding cylinder 31 through the water inlet pipe 32, and the driving member 5 drives the U-shaped scraper 332 to rotate, and the U-shaped scraper 332 drives the brush to scrape the dirt inside the transparent water adding cylinder 31. At the same time, the U-shaped scraper 332 drives the semicircular plate 331 to rotate at the bottom of the transparent water adding cylinder 31. When the semicircular plate 331 does not block the water outlet 311, the water outlet 311 is connected with the electrolytic hydrogen production cylinder 1 through the water inlet cylinder 11, and water can enter the electrolytic hydrogen production cylinder 1. When the semicircular plate 331 is located above the water outlet 311 and blocks the water outlet 311, the water outlet 311 and the water inlet cylinder 11 are blocked, so that the transparent water adding cylinder 31 adds water quantitatively to the electrolytic hydrogen production cylinder 1; when the water level line of the transparent water adding cylinder 31 reaches a certain scale, the driving member 5 drives the semicircular plate 331 in the scraping assembly 33 to block the water outlet 311, thereby controlling the amount of water added to the electrolytic hydrogen production cylinder 1 and avoiding the failure of water electrolysis hydrogen production.

[0032] When the filter assembly 34 needs to be cleaned, the water in the transparent water-adding cylinder 31 is drained, the transparent water-adding cylinder 31 is lifted, and the filter assembly 34 is disassembled. After cleaning, the filter assembly 34 is inserted into the bottom of the transparent water-adding cylinder 31.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water replenishing device for water electrolysis hydrogen production equipment, comprising an electrolysis hydrogen production cylinder (1), characterized in that: Also includes: A connecting ring (2) arranged in an annular shape on the outside of the top of the electrolytic hydrogen production cylinder (1), a water adding mechanism (3) installed on the inside of the top of the connecting ring (2), a U-shaped frame (4) erected on the top of the connecting ring (2) and located above the water adding mechanism (3), and a driving member (5) arranged on the top of the U-shaped frame (4); The water adding mechanism (3) comprises a transparent water adding cylinder (31) placed inside the top of the connecting ring (2), a water inlet pipe (32) arranged at the top of the transparent water adding cylinder (31) and connected to the transparent water adding cylinder (31), and a scraping assembly (33) located inside the transparent water adding cylinder (31) and respectively in contact with the top wall, side wall and bottom wall of the transparent water adding cylinder (31), the output shaft of the driving member (5) passes through the U-shaped frame (4), The top plate of the transparent water-adding cylinder (31) is connected to the top of the scraping assembly (33); a water outlet (311) is eccentrically provided at the bottom of the transparent water-adding cylinder (31); a water inlet cylinder (11) corresponding to the water outlet (311) is eccentrically provided at the top of the electrolysis hydrogen production cylinder (1); the top of the water inlet cylinder (11) is in contact with the bottom of the transparent water-adding cylinder (31); and a filter assembly (34) is detachably provided on the water outlet (311).

2. The water replenishing device for water electrolysis hydrogen production equipment according to claim 1, characterized in that: The scraping assembly (33) comprises a semicircular plate (331) located on the inner bottom wall of the transparent water adding cylinder (31) and used for shielding the water outlet (311), a U-shaped scraper (332) located inside the transparent water adding cylinder (31), and a brush arranged on the U-shaped scraper (332) and respectively in contact with the top wall, side wall and bottom wall of the transparent water adding cylinder (31); the output shaft of the driving member (5) is connected to the top end of the U-shaped scraper (332), and the straight edge section of the semicircular plate (331) is connected to the bottom end of the U-shaped scraper (332).

3. The water replenishing device for water electrolysis hydrogen production equipment according to claim 2, characterized in that: The diameter of the semicircular plate (331) is equal to the diameter of the transparent water-adding cylinder (31).

4. The water replenishing device for water electrolysis hydrogen production equipment according to claim 1, characterized in that: A first annular groove (21) matching the transparent water-adding cylinder (31) is provided on the inner side of the top of the connecting ring (2).

5. The water replenishing device for water electrolysis hydrogen production equipment according to claim 1, characterized in that: A second annular groove (22) is provided on the inner side of the bottom of the connecting ring (2) and is threadedly matched with the outer side of the top of the electrolytic hydrogen production cylinder (1).

6. The water replenishing device for water electrolysis hydrogen production equipment according to any one of claims 1 to 5, characterized in that: The filter assembly (34) comprises a first circular ring (341) matching the size of the water outlet (311), a filter net (342) arranged on the inner side wall of the first circular ring (341), a second circular ring (343) located outside the first circular ring (341) and concentric with the first circular ring (341), and an annular plate (344) connected between the bottom of the first circular ring (341) and the bottom of the second circular ring (343); and a third annular groove (312) matching the second circular ring (343) is formed in an annular shape at the bottom of the transparent water-adding cylinder (31).

7. The water replenishing device for water electrolysis hydrogen production equipment according to claim 6, characterized in that: The bottom of the transparent water-adding cylinder (31) is provided with an annular step which is respectively connected to the third annular groove (312) and the water outlet (311), and the size of the annular step matches the size of the annular plate (344).

8. The water replenishing device for water electrolysis hydrogen production equipment according to claim 6, characterized in that: The height of the second circular ring (343) is greater than the height of the first circular ring (341).

9. The water replenishing device for water electrolysis hydrogen production equipment according to claim 1, characterized in that: The outer wall of the transparent water-adding cylinder (31) is provided with scales.

Images