Hydrogen preparation device

Abstract

The utility model discloses a hydrogen preparation device which comprises a reaction barrel body, an electrode I and an electrode II arranged on the inner wall of the reaction barrel body, a stirring component arranged on the inner bottom surface of the reaction barrel body, a top cover fixedly arranged on the top surface of the reaction barrel body, a speed reducing component arranged on the bottom surface of the top cover, and a rotating disc rotationally connected to the center of the top surface of the top cover, according to the water electrolysis hydrogen production device, through efficient stirring, accurate feeding and optimization of electrolytic reaction, the efficient, stable and energy-saving water electrolysis hydrogen production process is achieved, the overall structure is compact, operation is easy and convenient, and the water electrolysis hydrogen production device is suitable for large-scale popularization and application. The method has remarkable technical advantages and application value.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen preparation technical field, concretely is a hydrogen preparation device. BACKGROUND

[0002] Hydrogen is a clean and efficient energy carrier, and has a wide application prospect in the fields of chemical industry, energy, transportation, etc. At present, the preparation methods of hydrogen mainly include water electrolysis, natural gas reforming, biomass hydrogen production, etc. Among them, water electrolysis for hydrogen production is concerned due to its zero carbon emission, coupling with renewable energy and other advantages. However, the traditional water electrolysis hydrogen production equipment has problems such as high energy consumption, easy corrosion of electrode material, poor gas separation effect, etc., which limits its large-scale application.

[0003] In recent years, with the development of hydrogen energy industry, researchers have proposed various improvement schemes to improve the energy efficiency and stability of hydrogen production device, such as using new type of electrocatalytic material to reduce overpotential and improve electrolysis efficiency; optimizing electrolytic cell structure to reduce power loss and improve gas separation effect; introducing intelligent control system to accurately adjust electrolysis parameters and improve system operation stability. However, there are still many challenges in the existing technology, such as insufficient stability of catalyst, high manufacturing cost caused by complex electrolytic cell structure, and inefficient treatment of electrolysis by-products, etc.

[0004] Therefore, it is urgent to develop an efficient, stable and low-cost hydrogen production device to overcome the shortcomings of the existing technology and promote the further development of hydrogen energy industry.

[0005] After searching, it is found that the existing technology with publication number CN114137154U discloses a device and method for preparing hydrogen, which includes a storage tank, a tank cover and a hydrogen discharge pipe. The storage tank has two independent chambers, which can respectively place water heating material and hydrogen production material. The tank cover can provide water to the storage tank to generate heat, so as to produce hydrogen by heating the hydrogen production material. The overall structure of this scheme is simple, convenient to operate and easy to carry.

[0006] Therefore, based on the above search and combined with the existing technology, the existing device and method for preparing hydrogen cannot accurately feed and efficiently stir during the reaction process, so as to optimize the electrolysis reaction and improve the hydrogen production efficiency. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a hydrogen production device to solve the problems in the above background technology.

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a kind of hydrogen production device, including reaction bucket body, electrode one and electrode two are installed on the inner wall of reaction bucket body, stirring assembly is installed on the inner bottom surface of reaction bucket body, top cover is fixedly installed on the top surface of reaction bucket body, reduction assembly is installed on the bottom surface of top cover, rotating disc is rotatably connected in the center of the top surface of top cover, storage tank is fixedly installed above top cover, water inlet and exhaust pipe are respectively arranged on the top end of the outer wall of reaction bucket body, filter cartridge is installed in exhaust pipe.

[0010] Further, the stirring assembly includes a rotating shaft rotatably connected at the center of the inner bottom surface of the reaction bucket body, and a plurality of stirring blades are equidistantly arranged on the outer wall of the rotating shaft.

[0011] Further, a driving gear is rotatably connected to the inner bottom surface of the reaction bucket body, and a motor is coaxially connected to the driving gear after penetrating through the inner bottom surface of the reaction bucket body.

[0012] Further, the reduction assembly includes a rotating shaft, and a rotating hole penetrating through the top surface of the top cover is formed at the center of the top surface of the top cover.

[0013] Further, a plurality of extension arms are equidistantly arranged on the outer wall of the rotating shaft, and each of the extension arms is rotatably connected to a planetary gear at the bottom end thereof.

[0014] Further, a sun gear is rotatably connected to the bottom surface of the rotating shaft, the sun gear is in meshing transmission connection with the plurality of planetary gears, and an inner gear ring is fixedly installed at the center of the bottom surface of the top cover.

[0015] Further, each of the plurality of planetary gears is in meshing transmission connection with the inner gear ring, and the sun gear is coaxially fixedly connected to the top end of the rotating shaft.

[0016] Further, a connecting shaft is provided at the center of the top surface of the rotating shaft, the connecting shaft is coaxially fixedly connected to the rotating disc, the rotating disc includes a top disc and a bottom disc, and the bottom surface of the bottom disc is in sliding abutment with the top surface of the top cover.

[0017] Further, a storage cylinder is jointly installed between the top disc and the bottom disc, and a feeding hole penetrating through the top surface of the top cover is formed, the storage cylinder is matched in size with the feeding hole.

[0018] Further, the storage tank includes a discharge pipe and a feeding pipe, the bottom end surface of the discharge pipe is in abutment with the top surface of the top disc, and the inner diameter of the discharge pipe is matched in size with the inner diameter of the storage cylinder.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1. In use, the utility model discloses a stirring system driven by motor, ensures the uniform mixing of water body in the reaction bucket, improves the efficiency of electrolysis reaction, the rotation of stirring vane not only promotes the flow of water body, but also realizes the accurate matching of stirring rate and feeding rate through the reduction assembly, thereby optimizing the reaction condition, which effectively improves the reaction efficiency and creates a good reaction environment for the subsequent electrolysis process.

[0021] 2. In use, the utility model discloses a quantitative feeding system, realizes the accurate feeding of catalyst through the cooperation of rotating disc and storage cylinder, the catalyst can significantly reduce the overpotential in the electrolysis process, improve the electrolysis efficiency and reduce energy loss, the design of reduction assembly makes the feeding rate and stirring rate adapt, which not only guarantees the stability of reaction, but also reduces the operation cost.

[0022] 3. In use, the utility model discloses a exhaust pipe is discharged, and is dried through the filter cylinder filled with drying agent, which significantly improves the purity of hydrogen, the device realizes the high efficiency, stability and energy saving of the water electrolysis hydrogen production process through efficient stirring, accurate feeding and optimized electrolysis reaction, and has compact overall structure, simple operation, significant technical advantages and application value. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0024] Fig. 2 It is the overall structure explosion drawing of the utility model;

[0025] Fig. 3 It is the reaction bucket body structure parts drawing of the utility model;

[0026] Fig. 4 It is the stirring assembly structure explosion drawing of the utility model;

[0027] Fig. 5 It is the reduction assembly structure explosion drawing of the utility model;

[0028] Fig. 6 It is the local structure explosion drawing of the utility model;

[0029] Fig. 7 It is the overall structure cross section view of the utility model.

[0030] In the drawing: 1, reaction bucket body; 11, water inlet; 12, exhaust pipe; 13, supporting leg; 14, sealing ring;

[0031] 2, electrode one; 3, electrode two;

[0032] 4, stirring assembly; 41, rotating rod; 411, stirring vane; 42, driven gear; 43, driving gear; 44, motor;

[0033] 5, speed reduction assembly; 51, rotating shaft; 511, extension arm; 512, connecting shaft; 52, planetary gear; 53, sun gear; 531, clamping shaft; 54, inner gear ring;

[0034] 6, top cover; 61, rotating hole; 62, feeding hole; 63, mounting frame; 7, rotating disc; 71, top disc; 72, bottom disc; 73, storage cylinder;

[0035] 8, storage tank; 81, discharge pipe; 82, feeding pipe;

[0036] 9, filter cartridge. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0038] Embodiment 1: please refer to Figs. 1-4 A hydrogen preparation device, comprising a reaction bucket body 1, an electrode one 2 and an electrode two 3 are installed on the inner wall of the reaction bucket body 1, specifically, the electrode one 2 and the electrode two 3 are positive and negative electrodes respectively, which are used for electrolyzing water in the reaction bucket body 1, a stirring assembly 4 is installed on the bottom surface in the reaction bucket body 1, a top cover 6 is fixedly installed on the top surface of the reaction bucket body 1, specifically, the top cover 6 is fixedly connected on the top end of the reaction bucket body 1 through threads, a sealing ring 14 is arranged between the top surface of the reaction bucket body 1 and the top cover 6, the sealing ring 14 is used for enhancing the sealing property between the reaction bucket body 1 and the top cover 6, a speed reduction assembly 5 is installed on the bottom surface of the top cover 6, a rotating disc 7 is rotatably connected to the center of the top surface of the top cover 6, a storage tank 8 is fixedly installed above the top cover 6, specifically, two mounting frames 63 are symmetrically arranged on the top surface of the top cover 6, the storage tank 8 is fixedly installed between the two mounting frames 63 through bolts, a water inlet 11 and an exhaust pipe 12 are respectively arranged on the top end of the outer wall of the reaction bucket body 1, a filter cartridge 9 is installed in the exhaust pipe 12, specifically, the water inlet 11 is used for connecting a water inlet pipe, water is input into the reaction bucket body 1 from the water inlet 11, hydrogen generated is discharged from the reaction bucket body 1 through the exhaust pipe 12, dry agent is filled in the filter cartridge 9 for drying the discharged hydrogen, a plurality of supporting legs 13 are equidistantly arranged on the bottom surface of the reaction bucket body 1, the supporting legs 13 are made of rubber material.

[0039] The stirring assembly 4 comprises a rotating rod 41 rotatably connected at the bottom center of the inner bottom surface of the reaction bucket body 1, a plurality of stirring blades 411 are equidistantly arranged on the outer wall of the rotating rod 41, a driven gear 42 is coaxially and fixedly installed at the bottom end of the rotating rod 41, specifically, a groove is formed in the inner wall of the driven gear 42, a protrusion is arranged at the bottom end of the outer wall of the rotating rod 41, the size of the protrusion is matched with the size of the groove, the protrusion has a limiting and guiding effect on the groove, so that the rotating rod 41 can rotate synchronously with the driven gear 42, a driving gear 43 is rotatably connected to the inner bottom surface of the reaction bucket body 1, a rotating shaft of the driving gear 43 penetrates through the inner bottom surface of the reaction bucket body 1 and is coaxially connected to a motor 44, specifically, the motor 44 is fixedly installed on the bottom surface of the reaction bucket body 1 through bolts, the rotating shaft of the driving gear 43 is sealed with the inner wall of the connecting hole formed in the inner bottom surface of the reaction bucket body 1, so as to prevent water in the reaction bucket body 1 from leaking, the driving gear 43 is in meshing transmission connection with the driven gear 42, specifically, the motor 44 drives the driving gear 43 to rotate, the driving gear 43 drives the driven gear 42 and the rotating rod 41 to rotate synchronously, and the stirring blades 411 on the outer wall of the rotating rod 41 stir the water in the reaction bucket body 1.

[0040] Embodiment 2: please refer to Figs. 2-7 The hydrogen production device is different from that in Embodiment 1 in that the speed reduction assembly 5 comprises a rotating shaft 51, an up-down through rotating hole 61 is formed in the top surface center of the top cover 6, the rotating shaft 51 is rotatably connected to the inner wall of the rotating hole 61, a plurality of extension arms 511 are equidistantly arranged on the outer wall of the rotating shaft 51, one planetary gear 52 is rotatably connected to the bottom surface of the end portion of each of the extension arms 511, specifically, a rotating shaft is arranged on the bottom surface of the end portion of each of the extension arms 511, the planetary gear 52 is rotatably connected to the outer wall of the rotating shaft, a blocking ring is arranged at the bottom end of the rotating shaft, and the blocking ring is used for preventing the planetary gear 52 from falling off, a sun gear 53 is rotatably connected to the bottom surface of the rotating shaft 51, specifically, a clamping shaft 531 is arranged at the top surface center of the sun gear 53, a connecting groove is arranged at the bottom surface center of the rotating shaft 51, the clamping shaft 531 is rotatably connected to the connecting groove, a limiting ring is arranged at the bottom end of the connecting groove, a convex ring is arranged at the top end of the clamping shaft 531, the limiting ring has a limiting effect on the convex ring, so as to prevent the sun gear 53 from falling off from the bottom surface of the connecting shaft 512, the sun gear 53 is in meshing transmission connection with the plurality of planetary gears 52, an inner gear ring 54 is fixedly installed at the bottom surface center of the top cover 6, the plurality of planetary gears 52 are in meshing transmission connection with the inner gear ring 54, the sun gear 53 is coaxially and fixedly connected to the top end of the rotating rod 41, specifically, a protrusion is arranged at the top end of the outer wall of the rotating rod 41, a groove is arranged in the inner wall of the sun gear 53, the size of the protrusion is matched with the size of the groove, the protrusion has a limiting and guiding effect on the groove, so that the sun gear 53 can rotate synchronously with the rotating rod 41.

[0041] The top surface center of the rotating shaft 51 is provided with a connecting shaft 512, the connecting shaft 512 is coaxially fixedly connected with the rotating disc 7, specifically, the outer wall of the connecting shaft 512 is provided with a convex strip, the inner wall of the rotating disc 7 is provided with a groove, the size of the convex strip and the groove is matched, the convex strip has a limiting and guiding effect on the groove, so that the rotating disc 7 can rotate synchronously with the connecting shaft 512, the rotating disc 7 includes a top disc 71 and a bottom disc 72, the bottom surface of the bottom disc 72 is in sliding abutment with the top surface of the top cover 6, a storage cylinder 73 is jointly installed between the top disc 71 and the bottom disc 72, the top surface of the top cover 6 is provided with an upper and lower through feeding hole 62, the size of the storage cylinder 73 and the feeding hole 62 is matched, specifically, the storage cylinder 73 is through from top to bottom, the material in the storage cylinder 73 is put into the reaction barrel body 1 through the feeding hole 62, the storage tank 8 includes a discharge pipe 81 and a feeding pipe 82, the bottom end surface of the discharge pipe 81 is in abutment with the top surface of the top disc 71, the inner diameter of the discharge pipe 81 is matched with the inner diameter of the storage cylinder 73, specifically, the material in the storage tank 8 enters the storage cylinder 73 through gravity, the storage cylinder 73 rotates to the directly above the feeding hole 62, so as to realize quantitative feeding.

[0042] Working principle: when the device is used, first, water is input into the reaction barrel body 1 through the water inlet 11, the motor 44 is started, the motor 44 drives the driving gear 43 to rotate, the driving gear 43 drives the driven gear 42 and the rotating rod 41 to rotate synchronously, the stirring blade 411 on the outer wall of the rotating rod 41 stirs the water in the reaction barrel body 1;

[0043] In this process, the sun gear 53 rotates synchronously with the rotating rod 41, the sun gear 53 drives a plurality of planetary gears 52 to rotate, since the plurality of planetary gears 52 are all in meshing transmission connection with the inner gear ring 54, the inner gear ring 54 is fixed on the bottom surface of the top cover 6, so the plurality of planetary gears 52 drive the rotating shaft 51 to rotate in the inner wall of the rotating hole 61, at this time, through the speed reduction work of the speed reduction assembly 5, the rotating speed of the rotating shaft 51 is much smaller than that of the rotating rod 41;

[0044] The rotating shaft 51 drives the rotating disc 7 to rotate synchronously through the connecting shaft 512, the rotating disc 7 drives the storage cylinder 73 to rotate, the storage cylinder 73 is through from top to bottom, when the storage cylinder 73 is directly below the discharge pipe 81, the storage tank 8 is filled with a catalyst, the catalyst is a high-efficiency non-noble metal catalyst such as nickel, cobalt and iron-based material, the catalyst is used to reduce the overpotential, improve the electrolysis efficiency and reduce the energy loss, the material in the storage tank 8 enters the storage cylinder 73 through gravity, the storage cylinder 73 continues to rotate for half a circle to be directly above the feeding hole 62, so as to realize quantitative feeding, since the speed reduction work of the speed reduction assembly 5, the rotating speed of the rotating disc 7 is much smaller than that of the rotating rod 41, so as to realize the adaptation of the feeding rate and the stirring rate;

[0045] In the process, the reaction bucket body 1 is provided with electrode one 2 and electrode two 3, electrode one 2 and electrode two 3 are respectively used as positive and negative electrodes, when the external power supply is powered on, water electrolysis reaction occurs between electrode one 2 and electrode two 3, hydrogen and oxygen are generated, hydrogen is discharged through the exhaust pipe 12, and is dried through the filter cartridge 9 filled with desiccant to improve the purity of hydrogen.

[0046] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A hydrogen gas production device comprising a reaction bucket body (1), characterized in that: The electrode one (2) and the electrode two (3) are installed on the inner wall of the reaction bucket body (1), the stirring assembly (4) is installed on the inner bottom surface of the reaction bucket body (1), the top cover (6) is fixedly installed on the top surface of the reaction bucket body (1), the reduction assembly (5) is installed on the bottom surface of the top cover (6), the rotating disc (7) is rotatably connected to the center of the top surface of the top cover (6), the storage box (8) is fixedly installed above the top cover (6), and the water inlet (11) and the exhaust pipe (12) are formed in the top end of the outer wall of the reaction bucket body (1).

2. The hydrogen gas production device according to claim 1, characterized by: The stirring assembly (4) comprises a rotating rod (41), the bottom end of the rotating rod (41) is rotatably connected to the center of the inner bottom surface of the reaction bucket body (1), a plurality of stirring blades (411) are circumferentially and equidistantly arranged on the outer wall of the rotating rod (41), and the bottom end of the rotating rod (41) is coaxially and fixedly installed with a driven gear (42).

3. The hydrogen gas production device according to claim 2, characterized by: The driving gear (43) is rotatably connected to the inner bottom surface of the reaction bucket body (1), the rotating shaft of the driving gear (43) penetrates through the inner bottom surface of the reaction bucket body (1) and is coaxially connected with the motor (44), and the driving gear (43) is in meshing transmission connection with the driven gear (42).

4. The hydrogen gas production apparatus according to claim 3, wherein: The reduction assembly (5) comprises a rotating shaft (51), and the top cover (6) is provided with a rotating hole (61) penetrating through the top surface in the upward and downward directions.

5. The hydrogen gas production device according to claim 4, characterized by: A plurality of extension arms (511) are circumferentially and equidistantly arranged on the outer wall of the rotating shaft (51), and one planetary gear (52) is rotatably connected to the bottom surface of the end portion of each extension arm (511).

6. The hydrogen gas production device according to claim 5, wherein: The bottom surface of the rotating shaft (51) is rotatably connected with a sun gear (53), the sun gear (53) is in meshing transmission connection with a plurality of planetary gears (52), and the bottom surface of the top cover (6) is fixedly installed with an inner gear ring (54).

7. The hydrogen gas production device according to claim 6, characterized by: A plurality of planetary gears (52) are in meshing transmission connection with the inner gear ring (54), and the sun gear (53) is coaxially and fixedly connected with the top end of the rotating rod (41).

8. The hydrogen gas production device according to claim 7, characterized by: The center of the top surface of the rotating shaft (51) is provided with a connecting shaft (512), the connecting shaft (512) is coaxially and fixedly connected with the rotating disc (7), the rotating disc (7) comprises a top disc (71) and a bottom disc (72), and the bottom surface of the bottom disc (72) is in sliding abutment with the top surface of the top cover (6).

9. The hydrogen gas production device according to claim 8, characterized by: The top disc (71) and the bottom disc (72) are jointly installed with a storage cylinder (73), and the top surface of the top cover (6) is provided with a feeding hole (62) penetrating through the top surface in the upward and downward directions.

10. The hydrogen gas production device according to claim 1, characterized by: The storage box (8) comprises a discharge pipe (81) and a feeding pipe (82), the bottom end surface of the discharge pipe (81) is in abutment with the top surface of the top disc (71), and the inner diameter of the discharge pipe (81) is matched with the inner diameter of the storage cylinder (73).

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