Alkaline water electrolysis hydrogen production device

Abstract

The utility model discloses an alkaline water electrolysis hydrogen production device which comprises a heating box and a heating pipe installed in the heating box, the two ends of the heating pipe extend outwards from the bottom of the heating box, the inner cavity of the heating box is cylindrical, the outer wall of a fixing plate is U-shaped, the upper end of the heating box is open, and a sliding assembly comprises a rotating rod rotationally connected to the end face of the fixing plate. And two groups of scraping plates are fixedly connected to the outer wall of the rotating rod and are in fit contact with the inner wall of the heating box. Scale on the inner wall of the heating box is removed through the scraping plate driven by the rotating rod, the first cleaning scrubbing brush and the second cleaning scrubbing brush are driven synchronously through the reciprocating lead screw to drive the sliding block to effectively remove the scale on the two sides of the heating pipe, and it is guaranteed that the outer wall of the heating pipe is clean. And by continuously adjusting the pressure of the cleaning brush plate through the first spring and the second spring, the uniformity and stability of the cleaning effect are guaranteed, heat exchange efficiency reduction and local overheating of the pipe caused by scale accumulation are avoided, and reliable guarantee is provided for long-term stable operation of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of alkaline water electrolysis hydrogen production technology, especially to a kind of alkaline water electrolysis hydrogen production device. BACKGROUND

[0002] Electrolysis of water hydrogen is in the electrolytic cell filled with electrolyte, direct current is passed into, water molecules occur electrochemical reaction on electrode, decompose into hydrogen and oxygen

[0003] The utility model discloses a kind of alkaline water electrolysis hydrogen production system heat recovery devices, the device when using, water is heated into heating box by heat block and heating pipe, then water heating produces steam and is guided out collection for use after steam, water scale in the inner wall of heating box is scraped and cleaned in subsequent with the aid of scraper, avoid water scale accumulation influence the rate of water heating, but actual use, the device has certain defects, for example, water scale can be attached to the outer wall of heating pipe, and scraper can only clean the inner wall of heating box, and the accumulation of water scale can make heating pipe be unevenly heated, possibly lead to local overheating of pipe material under long time operation, and then cause the damage or aging of heating pipe, so it needs to be proposed in view of the above problems A kind of alkaline water electrolysis hydrogen production device. UTILITY MODEL CONTENTS

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of alkaline water electrolysis hydrogen production device, solve the problem that traditional device is cleaned by scraper to water scale in the inner wall of heating box, ignore water scale attachment in the outer wall of heating pipe, lead to local overheating of pipe material.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: including heating box and heating pipe installed in the inside of heating box, the heating pipe both ends are extended from the bottom of heating box outward, the inner cavity of heating box is cylindrical, the inner bottom of heating box is fixedly connected with fixed plate, the outer wall of fixed plate is U-shaped, the upper end of heating box is open, and cover plate is installed here by screw, the outer wall of heating box and cover plate is respectively equipped with water outlet pipe and water inlet pipe, cleaning mechanism is installed in the heating box.

[0008] The cleaning mechanism includes sliding assembly, cleaning assembly and elastic component.

[0009] Preferably, the sliding assembly includes rotary rod connected to the end surface of fixed plate, the outer wall of rotary rod is fixedly connected with two groups of scrapers, and the two groups of scrapers are in contact with the inner wall of heating box.

[0010] Preferably, the cleaning assembly comprises a reciprocating screw rod rotationally connected to the bottom of the heating box, one end of the reciprocating screw rod is rotationally connected to the lower end surface of the fixed plate, a sliding block is threadedly connected to the threaded section of the reciprocating screw rod, the outer wall of the sliding block is provided with a cleaning brush plate one and a cleaning brush plate two, the cleaning brush plate one and the cleaning brush plate two are respectively slidably arranged on the two sides of the heating pipe, and the reciprocating screw rod is coaxially fixedly connected with the rotating rod.

[0011] Preferably, the elastic assembly comprises a side plate fixedly connected to the outer wall of the sliding block, and a plurality of spring ones are fixedly connected to the outer wall of the side plate, and the other end of the spring one is fixedly connected to the outer wall of the cleaning brush plate one.

[0012] Preferably, the two ends of the cleaning brush plate one are fixedly connected with sleeves, the sleeves are slidably connected with connecting rods, the other end of the connecting rod is fixedly connected with the cleaning brush plate two, the inner bottom of the sleeve is fixedly connected with a spring two, and the other end of the spring two is fixedly connected with the end of the connecting rod.

[0013] Preferably, the inner bottom of the heating box is fixedly connected with a limiting rod, and the sliding block is slidably connected to the outer wall of the limiting rod.

[0014] Preferably, the end surface of the cover plate is fixedly connected with a servo motor, and the output shaft end of the servo motor is coaxially fixedly connected with the reciprocating screw rod.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a, has the following beneficial effects:

[0017] The utility model discloses a scraper is removed the scale of heating box inner wall through the rotating rod drive, and simultaneously through the reciprocating screw rod drive sliding block drive cleaning plate brush one and cleaning plate brush two effective cleaning scale of heating pipe two sides, ensure the cleaning of heating pipe outer wall. Spring one and spring two pass through the pressure of cleaning brush plate of continuous regulation, guarantee the uniformity and stability of cleaning effect, avoid the heat exchange efficiency decline and the local overheating of pipe material because of scale accumulation, provide reliable guarantee for the long -term stable operation of device. ACCURACY OF DRAWINGS

[0018] Fig. 1 The utility model proposes a kind of structure schematic diagram of alkaline water electrolysis hydrogen generator;

[0019] Fig. 2 The utility model is a structure schematic diagram.

[0020] Fig. 3 The utility model is a sectional structure schematic diagram.

[0021] Fig. 4 The utility model is a cleaning assembly structure schematic diagram.

[0022] Fig. 5 The utility model discloses a Fig. 4 The middle sleeve is a sectional view.

[0023] In the figure: 1, heating box; 2, cover plate; 3, servo motor; 4, water inlet pipe; 5, water outlet pipe; 6, heating pipe; 7, spring two; 8, rotating rod; 9, fixed plate; 10, scraper; 11, reciprocating screw; 12, limit rod; 13, sliding block; 14, side plate; 15, cleaning brush plate one; 16, cleaning brush plate two; 17, spring one; 18, sleeve; 19, connecting rod. DETAILED DESCRIPTION

[0024] In the utility model, in the case where no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0025] The utility model provides a technical scheme of:

[0026] Please refer to Figs. 1-5 A basic water electrolysis hydrogen production device, including heating box 1 and the heating pipe 6 of installing in heating box 1 inside, heating pipe 6 both ends all extend outward from heating box 1 bottom, the inner cavity of heating box 1 is cylindrical, and the bottom of heating box 1 is fixedly connected with fixed plate 9, the outer wall of fixed plate 9 is U-shaped, the upper end of heating box 1 is open, and the cover plate 2 is installed at the place by screw, and the outer wall of heating box 1 and cover plate 2 is installed with water outlet pipe 5 and water inlet pipe 4 respectively, and the cleaning mechanism is installed in heating box 1, and the cleaning mechanism includes sliding assembly, cleaning assembly and elastic component, sliding assembly includes rotating rod 8 that is rotatably connected at the end surface of fixed plate 9, and the outer wall of rotating rod 8 is fixedly connected with two groups of scraper 10, and the two groups of scraper 10 are all in contact with the inner wall of heating box 1.

[0027] Further, the scraper 10 is driven to rotate by the rotating rod 8, and the scale attached to the inner wall of the heating box 1 can be removed, and the heat generated during the electrolysis of water to produce hydrogen can be injected into the heating pipe 6 to heat the water in the heating box 1, thereby improving the fullness and practicability of the equipment for recycling the heat during the electrolysis of water to produce hydrogen.

[0028] Cleaning assembly includes reciprocating screw 11 that is rotatably connected at the bottom of heating box 1, and the other end of reciprocating screw 11 is rotatably connected with the lower end surface of fixed plate 9, and the threaded segment of reciprocating screw 11 is threadedly connected with sliding block 13, and the outer wall of sliding block 13 is installed with cleaning brush plate one 15 and cleaning brush plate two 16, and cleaning brush plate one 15 and cleaning brush plate two 16 are respectively slid on the two sides of heating pipe 6, and reciprocating screw 11 is coaxially fixedly connected with rotating rod 8.

[0029] Further, by means of the combination of the cleaning brush plate one 15 and the cleaning brush plate two 16, the scale adhered to the outer wall of the heating pipe 6 can be cleaned from both sides, so as to avoid the problem of uneven heat conduction caused by scale accumulation.

[0030] The elastic assembly comprises a side plate 14 fixedly connected to the outer wall of the sliding block 13, and a plurality of spring one 17 is fixedly connected to the outer wall of the side plate 14, and the other end of the spring one 17 is fixedly connected to the outer wall of the cleaning brush plate one 15.

[0031] Further, the elastic force of the spring one 17 can continuously adjust the pressure of the cleaning brush plate one 15, so that the cleaning brush plate one 15 always maintains a certain pressure to clean the heating pipe 6, thereby improving the scale removal efficiency and avoiding the influence of the heating pipe 6 on the heat exchange efficiency caused by scale accumulation.

[0032] The cleaning brush plate one 15 is fixedly connected with a sleeve 18 at both ends, the sleeve 18 is slidingly connected with a connecting rod 19, the other end of the connecting rod 19 is fixedly connected with the cleaning brush plate two 16, the inner bottom of the sleeve 18 is fixedly connected with a spring two 7, and the other end of the spring two 7 is fixedly connected with the end of the connecting rod 19.

[0033] Further, by means of the elastic force of the spring two 7, the cleaning brush plate two 16 can be driven to tightly abut against the other side of the heating pipe 6, and in cooperation with the spring one 17, the effective cleaning of the heating pipe 6 can be realized in all directions.

[0034] The inner bottom of the heating box 1 is fixedly connected with a limiting rod 12, the sliding block 13 is slidingly connected to the outer wall of the limiting rod 12, the end face of the cover plate 2 is fixedly connected with a servo motor 3, and the output shaft end of the servo motor 3 is coaxially fixedly connected with the reciprocating screw rod 11.

[0035] In specific use, the working principle of the utility model is as follows:

[0036] The heat generated in the water solution process is transmitted to the water through the heating pipe 6 in the heating box 1, and the water is evaporated into steam after being heated, and the heat transmitted through the outer wall of the heating pipe 6 further accelerates the heating of the water. At the same time, the water in the inner cavity of the heating box 1 is continuously circulated through the water inlet pipe 4 and the water outlet pipe 5, so as to maximize the utilization and recovery of heat.

[0037] By periodically starting the servo motor 3, the rotating rod 8 is driven to rotate, and the scraper 10 is rotated, so as to remove the scale accumulated on the inner wall of the heating box 1. By removing the scale, the device ensures that the heating efficiency is not affected. At the same time, the rotating rod 8 is rotated, and the reciprocating screw rod 11 is synchronously driven to rotate. In the cleaning process, the sliding block 13 is slidingly connected to the outer wall of the heating pipe 6 under the driving of the reciprocating screw rod 11, and the cleaning brush plate one 15 and the cleaning brush plate two 16 remove the scale on the outer wall of the heating pipe 6 from both sides, effectively preventing scale accumulation and ensuring uniform heat conduction.

[0038] In the process, the spring 17 is constantly adjusted by the elastic force of the cleaning brush plate 15 on the outer wall of the heating pipe 6, to ensure that the cleaning brush plate 15 always maintains a stable pressure, thereby improving the efficiency of scale cleaning, preventing the heating pipe 6 from affecting the heat exchange efficiency due to scale accumulation. In order to achieve effective cleaning on both sides of the heating pipe 6, the spring 7 drives the cleaning brush plate 16 to tightly adhere to the other side of the heating pipe 6 by the elastic force, and cooperates with the spring 17 to achieve omnidirectional cleaning.

[0039] In summary, through the above steps, the cleaning mechanism can effectively clean the scale on the heating pipe 6 and the inner wall of the heating tank 1, ensure the heat exchange efficiency of the heating pipe 6, and avoid the problem of uneven heat transfer caused by scale accumulation. The components in the device work together to achieve efficient cleaning of the heating pipe 6 and heat recovery, improving the overall practicality and stability of the equipment.

[0040] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is covered by the protection scope of the present application.

Claims

1. A hydrogen production device by alkaline water electrolysis comprising a heating tank (1) and a heating pipe (6) installed inside the heating tank (1), characterized in that, The heating pipe (6) extends outward from the bottom of the heating box (1) at both ends, the inner cavity of the heating box (1) is cylindrical, the inner bottom of the heating box (1) is fixedly connected with a fixed plate (9), the outer wall of the fixed plate (9) is in U shape, the upper end of the heating box (1) is open, and the cover plate (2) is installed at the position through screws, the outer walls of the heating box (1) and the cover plate (2) are respectively provided with the water outlet pipe (5) and the water inlet pipe (4), and the cleaning mechanism is installed in the heating box (1). The cleaning mechanism comprises a sliding assembly, a cleaning assembly and an elastic assembly.

2. The alkaline water electrolysis device for hydrogen production according to claim 1, characterized in that, The sliding assembly comprises a rotating shaft (8) rotatably connected to the end surface of the fixed plate (9), and the outer wall of the rotating shaft (8) is fixedly connected with two groups of scrapers (10), and the two groups of scrapers (10) are in close contact with the inner wall of the heating box (1).

3. The alkaline water electrolysis device for hydrogen production according to claim 2, characterized in that, The cleaning assembly comprises a reciprocating screw rod (11) rotatably connected to the inner bottom of the heating box (1), the other end of the reciprocating screw rod (11) is rotatably connected with the lower end surface of the fixed plate (9), the threaded section of the reciprocating screw rod (11) is threadedly connected with a sliding block (13), the outer wall of the sliding block (13) is provided with a cleaning brush plate one (15) and a cleaning brush plate two (16), the cleaning brush plate one (15) and the cleaning brush plate two (16) are respectively slidably arranged on both sides of the heating pipe (6), and the reciprocating screw rod (11) is coaxially fixedly connected with the rotating shaft (8).

4. The alkaline water electrolysis device for hydrogen production according to claim 3, characterized in that, The elastic assembly comprises a side plate (14) fixedly connected to the outer wall of the sliding block (13), a plurality of spring one (17) are fixedly connected to the outer wall of the side plate (14), and the other end of the spring one (17) is fixedly connected with the outer wall of the cleaning brush plate one (15).

5. The alkaline water electrolysis device for hydrogen production according to claim 4, characterized in that, The two ends of the cleaning brush plate one (15) are fixedly connected with a sleeve (18), the sleeve (18) is slidably connected with a connecting rod (19), the other end of the connecting rod (19) is fixedly connected with the cleaning brush plate two (16), the inner bottom of the sleeve (18) is fixedly connected with a spring two (7), and the other end of the spring two (7) is fixedly connected with the end portion of the connecting rod (19).

6. The alkaline water electrolysis device for hydrogen production according to claim 5, characterized in that, The inner bottom of the heating box (1) is fixedly connected with a limiting rod (12), and the sliding block (13) is slidably connected to the outer wall of the limiting rod (12).

7. The alkaline water electrolysis device for hydrogen production according to claim 6, characterized in that, The end surface of the cover plate (2) is fixedly connected with a servo motor (3), and the output shaft end of the servo motor (3) is coaxially fixedly connected with the reciprocating screw rod (11).

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