Elastic supporting body for producing hydrogen by electrolyzing water

Abstract

The utility model belongs to the field of hydrogen production by electrolyzing water, and particularly relates to an elastic support body for hydrogen production by electrolyzing water, which comprises a mounting ring, the mounting ring is of an annular structure, and a groove is formed in the mounting ring; an elastic metal net is fixedly connected into the groove; the elastic metal net is specifically formed by weaving a plurality of strands of metal wires and is of a double-layer structure; the elastic metal net is arranged in an M-shaped corrugated mode. Each strand of metal wires specifically comprises two metal wires; a plurality of positioning pins are fixedly connected to the middle part of the mounting ring; a polar plate is arranged on one side of the mounting ring; a plurality of positioning holes corresponding to the positioning pins are formed in the surface of the polar plate; through the cooperation of the mounting ring and the positioning pin, the elastic metal net can be quickly mounted on one side of the polar plate, and the elastic metal net is subjected to an additional guiding effect during mounting, so that the position accuracy of the mounting ring and the polar plate during connection is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic water hydrogen production field, specifically is a kind of elasticity support of electrolytic water hydrogen production. BACKGROUND

[0002] In alkaline electrolytic cell, the polar plate is the key component of electrolysis process, and the setting of the milk-shaped protrusion on the polar plate is a common design, and the combination structure curved surface of the milk convex and the milk concave constitutes the cavity and the circulation channel inside the electrolytic unit. This design makes the electrolyte cannot directly flow upward when entering the polar plate flow channel of electrolytic unit, and needs to pass through the curved gap between many milk-shaped protrusions. This is beneficial to enhance the disturbance degree of flow, reduce the electrolyte concentration difference of each place in flow channel, make the electrolyte distribution more uniform, thereby reduce the energy consumption of electrolytic equipment.

[0003] In order to solve the problem of excessive contact resistance and large gas-liquid flow resistance caused by the size of the milk protrusion structure in the electrolytic device, an elastic support net is arranged to support the polar plate. The connection mode of the support net and the polar plate is usually direct welding. This installation mode is difficult to ensure the accuracy of the installation position.

[0004] Therefore, an elastic support of electrolytic water hydrogen production is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem in the background art.

[0006] The utility model solves the technical scheme that the utility model discloses an elastic support of electrolytic water hydrogen production, including installation ring, the installation ring is annular structure, and the inside is provided with recess; The recess is internally fixed with elastic metal net;The elastic metal net is specifically woven by multiple metal wires, and is double-layer structure;The elastic metal net is provided with M-shaped corrugation;Each metal wire specifically contains two metal wires;The middle part of the installation ring is fixed with a plurality of positioning pins;One side of the installation ring is equipped with polar plate;The surface of the polar plate is provided with a plurality of positioning holes corresponding to the positioning pin;Through the cooperation of installation ring and positioning pin, the elastic metal net can be quickly installed on one side of the polar plate and the elastic metal net is subjected to additional guiding action during installation, improve the accuracy of the position when the installation ring and the polar plate are connected.

[0007] Preferably, the outer part of the installation ring is equipped with sealing layer;By setting sealing layer, when the installation ring and the polar plate are installed, sealing layer can be coated between the installation ring and the polar plate to fill and seal the gap between the installation ring and the polar plate, improve the tightness of the connection between the installation ring and the polar plate, and the sealing layer can be specifically epoxy resin, because epoxy resin has high chemical resistance, low hydrogen permeation level and good viscosity characteristics, so that the sealing layer can effectively seal the installation ring and the polar plate.

[0008] Preferably, the positioning pin surface is inclined; by setting the positioning pin surface to be inclined, the positioning pin is guided during installation, further improving the convenience of connecting the elastic metal mesh and the polar plate.

[0009] Preferably, the material of the elastic metal mesh is nickel; and the installation ring is a nickel belt.

[0010] Preferably, the diameter of the metal wire is 0.185-0.195mm.

[0011] Preferably, the wave spacing of the elastic metal mesh surface is 190-210mm, the peak spacing is 9-11mm, and the corrugation angle is 25-30°.

[0012] The utility model discloses the beneficial effect lies in:

[0013] 1. The utility model discloses a kind of elastic support of electrolytic water hydrogen production, by the cooperation of installation ring and positioning pin, so that elastic metal mesh can be quickly installed in the side of polar plate and make elastic metal mesh receive additional guiding effect when installation, improve the accuracy of position when installation ring and polar plate connect.

[0014] 2. The utility model discloses a kind of elastic support of electrolytic water hydrogen production, by setting sealing layer, so that installation ring and polar plate can be coated sealing layer between installation ring and polar plate to fill sealing gap between installation ring and polar plate when installation, improve the tightness of connection between installation ring and polar plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, without creative labor, according to these drawings, other drawings can also be obtained.

[0016] Figure 1 It is the main body schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of installation ring in the utility model;

[0018] Figure 3 It is the structure schematic view of elastic metal mesh in the utility model.

[0019] In the figure: 1, mounting ring; 12, elastic metal mesh; 13, polar plate; 14, positioning pin; 15, positioning hole; 2, sealing layer. DETAILED DESCRIPTION

[0020] 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.

[0021] The specific embodiments are given below.

[0022] Please refer to Figures 1 to 3 The utility model discloses an elastic support for electrolytic water hydrogen production, which comprises a mounting ring 1. The mounting ring 1 is annular in structure and has a groove inside. An elastic metal mesh 12 is fixedly connected inside the groove. The elastic metal mesh 12 is specifically woven by multiple metal wires and has a double-layer structure. The elastic metal mesh 12 is arranged in an M-shaped wave form. Each of the metal wires specifically comprises two metal wires. A plurality of positioning pins 14 are fixedly connected to the middle part of the mounting ring 1. A polar plate 13 is arranged on one side of the mounting ring 1. A plurality of positioning holes 15 corresponding to the positioning pins 14 are arranged on the surface of the polar plate 13. The elastic metal mesh 12 and the mounting ring 1 can be connected by welding. When the elastic metal mesh 12 and the polar plate 13 are installed, the positioning pins 14 in the middle part of the mounting ring 1 and the positioning holes 15 arranged in the middle part of the polar plate 13 are corresponded to each other, so that the mounting ring 1 is installed on the surface of the polar plate 13. The elastic metal mesh 12 is the core component of the elastic support. Because the elastic metal mesh 12 is composed of multiple metal wires, the form of the metal wires can make the elastic metal mesh 12 produce better self-adaptive deformation when being pressed, so that the supporting effect of the elastic metal mesh 12 on the polar plate is more uniform. At the same time, the elastic metal mesh 12 can enhance the contact surface of the polar plate 13, so that the current distribution is more uniform. At the same time, the elastic metal mesh 12 has a bubble cutting effect, which can inhibit the generation of large bubbles and effectively reduce the air resistance. Through the cooperation of the mounting ring 1 and the positioning pins 14, the elastic metal mesh 12 can be quickly installed on one side of the polar plate 13 and receive an additional guiding effect when being installed, so that the accuracy of the position when the mounting ring 1 and the polar plate 13 are connected is improved.

[0023] Please refer to Figure 3As shown, the outer part of the mounting ring 1 is provided with a sealing layer 2; by providing the sealing layer 2, when the mounting ring 1 and the polar plate 13 are installed, the sealing layer 2 can be coated between the mounting ring 1 and the polar plate 13 to fill and seal the gap between the mounting ring 1 and the polar plate 13, improve the tightness of the connection between the mounting ring 1 and the polar plate 13, and the sealing layer 2 can be epoxy resin, because epoxy resin has high chemical resistance, low hydrogen permeation level, and good viscosity characteristics, so that the sealing layer 2 can effectively seal the mounting ring 1 and the polar plate 13.

[0024] As shown in Figure 1 As shown, the surface of the positioning pin 14 is inclined; by setting the surface of the positioning pin 14 to be inclined, when the positioning pin 14 and the positioning hole 15 are connected and positioned, the positioning pin 14 will be additionally guided during installation, further improving the convenience of connecting the elastic metal mesh 12 and the polar plate 13.

[0025] As shown in Figure 1 As shown, the material of the elastic metal mesh 12 can be nickel; the mounting ring 1 can be a nickel strip, and the nickel content of the elastic metal mesh 12 is ≥99.5%.

[0026] As shown in Figure 1 As shown, the diameter of the metal wire is between 0.185mm and 0.195mm.

[0027] As shown in Figure 1 As shown, the wave spacing of the surface of the elastic metal mesh 12 is between 190mm and 210mm, the peak spacing is between 9mm and 11mm, and the corrugation angle is between 25° and 30°.

[0028] Working principle: the elastic metal net 12 and the mounting ring 1 can be connected through welding, and when the elastic metal net 12 and the polar plate 13 are installed, the positioning pin 14 in the middle of the mounting ring 1 and the positioning hole 15 opened in the middle of the polar plate 13 are corresponded, so that the mounting ring 1 is installed on the surface of the polar plate 13, the elastic metal net 12 is the core component of the elastic support body, because the elastic metal net 12 is composed of multiple metal wires, the form of the metal wire can make the elastic metal net 12 produce better self-adaptive deformation when being extruded, so that the supporting effect of the elastic metal net 12 on the polar plate is more uniform, meanwhile, the elastic metal net 12 can enhance the contact surface of the polar plate 13, so that the current distribution is more uniform, meanwhile, the elastic metal net 12 has the bubble cutting effect, can inhibit the generation of large bubbles, and effectively reduce the air resistance; by setting the sealing layer 2, when the mounting ring 1 and the polar plate 13 are installed, the sealing layer 2 can be coated between the mounting ring 1 and the polar plate 13 to fill and seal the gap between the mounting ring 1 and the polar plate 13, improve the tightness of the connection between the mounting ring 1 and the polar plate 13, and the sealing layer 2 can be epoxy resin, because the epoxy resin has high chemical resistance, low hydrogen permeation level and good viscosity characteristics, so that the sealing layer 2 can effectively seal the mounting ring 1 and the polar plate 13; the positioning pin 14 is inclined, so that when the positioning pin 14 and the positioning hole 15 are connected and positioned, the positioning pin 14 will be guided in the installation process.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. An elastic support for hydrogen production by electrolysis of water, comprising a mounting ring (1), characterized in that: The mounting ring (1) is annular in structure and has a groove formed inside; an elastic metal mesh (12) is fixedly connected inside the groove; the elastic metal mesh (12) is specifically woven by multiple metal wires and has a double-layer structure; the elastic metal mesh (12) is provided in an M-shaped wave form; each of the metal wires specifically includes two metal wires; a plurality of positioning pins (14) are fixedly connected to the middle of the mounting ring (1); one side of the mounting ring (1) is provided with a polar plate (13); a plurality of positioning holes (15) corresponding to the positioning pins (14) are formed in the surface of the polar plate (13).

2. The elastic support for hydrogen production by electrolysis of water according to claim 1, characterized in that: The mounting ring (1) is externally provided with a sealing layer (2).

3. The elastic support of claim 2, wherein: The surface of the positioning pin (14) is provided in an inclined manner.

4. The elastic support of claim 3, wherein: The material of the elastic metal mesh (12) is specifically nickel; the mounting ring (1) is specifically a nickel strip.

5. The elastic support of claim 4, wherein: The diameter of the metal wire is between 0.185 mm and 0.195 mm.

6. The elastic support of claim 5, wherein: The wave distance on the surface of the elastic metal mesh (12) is between 190 mm and 210 mm, the peak distance is between 9 mm and 11 mm, and the wave angle is between 25° and 30°.

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