CN215628323U

CN215628323U - Novel hydrogen generator

Info

Publication number: CN215628323U
Application number: CN202122264187.4U
Authority: CN
Inventors: 马旭东; 田福祯; 马瑞阳
Original assignee: Tianjin Zhenruiweiye Environmental Protection Technology Development Co ltd
Current assignee: Tianjin Zhenruiweiye Environmental Protection Technology Development Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-01-25
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a novel hydrogen generator, which comprises an electrolytic cell and a plurality of electrode plate assemblies arranged in the electrolytic cell, wherein the electrode plate assemblies are arranged in parallel and are arranged at equal intervals along the length direction of the electrolytic cell in a staggered manner according to positive and negative polarities, each electrode plate assembly respectively comprises an electrode plate body and inserting plates fixedly arranged on two sides of the electrode plate body, the two sides of each electrode plate assembly are respectively provided with an inserting groove, each inserting groove is fixedly connected with the side wall of the electrolytic cell, the inserting plates on the same side of each electrode plate assembly are matched with the inserting grooves in an inserting manner, the electrode plate body is a snake-shaped bending plate, a plurality of spherical bulges are uniformly arranged on the outer surface of the electrode plate body, the upper surface of each electrode plate body is provided with a lifting rod, the lifting rod is used for taking out or inserting the inserting corresponding inserting plate of the electrode plate assembly into the corresponding inserting groove, the electrolytic voltage can be reduced, and the direct current voltage applied to the electrolytic cell is larger than the theoretical electrolytic voltage of water, in order to overcome the various resistive voltage drops and electrode polarization electromotive forces in the cell.

Description

Novel hydrogen generator

Technical Field

The utility model relates to the technical field of hydrogen generators, in particular to a novel hydrogen generator.

Background

The working principle of the hydrogen generator (alkali liquor) is the traditional diaphragm alkali liquor electrolysis method. The conductive medium in the electrolytic cell is potassium hydroxide aqueous solution, the partition of the two-pole chamber is a diaphragm for aerospace electrolytic equipment, and the grid electrode which is integrated with the end plate and has corrosion resistance and good mass transfer is formed into the electrolytic cell. After applying direct current to the two poles, the water molecules are subjected to electrochemical reaction immediately at the two poles of the electrolytic cell, oxygen is generated at the anode, and hydrogen is generated at the cathode.

In the electrolysis of water, the dc voltage applied to the cell must be greater than the theoretical decomposition voltage of the water in order to overcome the various resistive voltage drops and the electrode polarization electromotive forces in the cell. The polarization electromotive force of the motor is the sum of the over-potential point when the cathode hydrogen is separated out and the over-potential when the anode oxygen is separated out. From the viewpoint of energy consumption, the electrolysis voltage should be reduced as much as possible.

The hydrogen generator in the prior art has a simple structure, and the design for reducing the electrolytic voltage is not targeted.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a novel hydrogen generator, which reduces the electrolytic voltage, ensures that the direct current voltage applied to an electrolytic cell is greater than the theoretical electrolytic voltage of water, and can overcome various resistance voltage drops and electrode polarization electromotive force in the electrolytic cell.

The technical scheme of the utility model is as follows:

the utility model provides a novel hydrogen generator, includes the electrolytic bath and locates a plurality of electrode plate subassembly in the electrolytic bath, each the mutual parallel arrangement of electrode plate subassembly is laid according to crisscross length direction equidistant along the electrolytic bath of positive negative polarity, each the electrode plate subassembly includes the electrode plate body respectively and fixes the picture peg of locating its both sides, each the both sides of electrode plate subassembly all are equipped with the slot, each slot all with the lateral wall fixed connection of electrolytic bath, each the picture peg and the slot grafting of electrode plate subassembly homonymy match, the electrode plate body is snakelike buckling plate, and the surface of electrode plate body evenly is provided with a plurality of spherical archs, each electrode plate body upper surface all is provided with carries puts the pole, carry and put the pole and be used for taking out or insert corresponding slot with the picture peg of the electrode plate subassembly that corresponds.

Preferably, the electrode plate body comprises a plurality of semicircular convex plates and semicircular concave plates which are connected in a staggered manner and integrally formed, the lifting and placing rods on the upper surface of each electrode plate body are arranged at the middle points of the semicircular convex plates or the semicircular concave plates, and the lifting and placing rods on the upper surface of the electrode plate body are arranged in a staggered manner.

Preferably, the electrode plate body is made of iron or nickel.

Preferably, the material of the spherical bulge is iron or nickel.

Preferably, a diaphragm is arranged between two adjacent electrode plate assemblies, and the diaphragm is made of asbestos.

Preferably, one end of the electrolytic cell is provided with a liquid inlet, the other end of the electrolytic cell is provided with a liquid outlet, and a circulating pump is arranged between the liquid inlet and the liquid outlet.

Preferably, a defoaming device is arranged between the liquid outlet and the circulating pump and used for eliminating bubbles in the discharged electrolyte.

The utility model has the beneficial effects that:

according to the utility model, the inserting plates at two ends of the electrode plate assemblies are inserted into the inserting grooves of the electrolytic cell for installation, but the distance between the adjacent electrode plate assemblies is smaller, so that when a certain electrode plate assembly is installed or taken out, the adjacent electrode plate assembly is often blocked, the operation is inconvenient, and the rapid operation is difficult to realize.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a sectional view of a novel hydrogen generator provided in accordance with an embodiment of the present invention;

in the attached figure, 1-electrolytic cell, 11-liquid inlet, 12-liquid outlet, 13-slot, 21-electrode plate body, 22-plug board, 23-spherical bulge, 3-lifting rod, 4-circulating pump and 5-defoaming device.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment provides a novel hydrogen generator, as shown in fig. 1, including electrolytic cell 1 and a plurality of electrode plate assemblies arranged in electrolytic cell 1, each electrode plate assembly is parallel to each other, stagger according to positive and negative polarity and lay along the length direction of electrolytic cell 1 with equidistant, each electrode plate assembly includes electrode plate body 21 and fixed picture peg 22 of locating its both sides respectively, each electrode plate assembly's both sides all are equipped with slot 13, each slot 13 all is connected with the lateral wall fixed of electrolytic cell 1, picture peg 22 and the slot 13 grafting of each electrode plate assembly homonymy match, electrode plate body 21 is snakelike bending plate, and the surface of electrode plate body 21 evenly is provided with a plurality of spherical protruding 23, each electrode plate body 21 upper surface all is provided with lifting rod 3, lifting rod 3 is used for taking out or inserting corresponding picture peg 22 of electrode plate assembly and corresponds slot 13.

This embodiment is installed in inserting slot 13 of electrolytic bath 1 through picture peg 22 with electrode plate subassembly both ends, but because interval is less between the adjacent electrode plate subassembly, often blocked by its adjacent electrode plate subassembly when installing or taking out certain electrode plate subassembly, the operation is inconvenient, be difficult to realize fast operation, carry pole 3 can be quick through setting up and mention or put down whole electrode plate subassembly, realize quick installation or take out, and can not sheltered from by adjacent electrode plate subassembly, through setting up electrode plate body 21 into snakelike buckling plate, and set up spherical bulge 23 on its surface, can make electrode plate body 21 bigger with the area of contact of electrolyte, and the surface is rougher, the hydrogen of production, the oxygen overpotential is littleer, be favorable to reducing electrolytic voltage, improve electrolysis efficiency.

In this embodiment, the electrode plate body 21 includes a plurality of semi-circular convex plates and semi-circular concave plates which are connected in a staggered manner and integrally formed, the lifting and placing rods 3 on the upper surface of each electrode plate body 21 are all arranged at the midpoint position of the semi-circular convex plates or the semi-circular concave plates, and the lifting and placing rods 3 on the upper surfaces of any two adjacent electrode plate bodies 21 are arranged in a staggered manner, so that the designed electrode plate body 21 has a larger surface area compared with the V-shaped electrode plate body 21, the generated hydrogen and oxygen overpotentials are smaller, the reduction of electrolytic voltage is facilitated, and the electrolytic efficiency is improved; moreover, the lifting rods 3 on the upper surfaces of any two adjacent electrode plate bodies 21 are arranged in a staggered manner, so that the lifting rods are more difficult to block by the adjacent electrode plate assemblies during operation, the operation is more convenient, and the top ends of the lifting rods 3 preferably extend out of the upper surface of the electrolytic cell 1 by 3-5 cm.

In the present embodiment, the material of the electrode plate body 21 is iron or nickel, and the material of the spherical protrusions 23 is iron or nickel, because the hydrogen overpotential of the electrode plate body 21 made of iron or nickel is lower than that of lead, zinc, mercury, etc., and the oxygen overpotential is also lower than that of lead, the electrolytic voltage can be effectively reduced.

In this embodiment, a diaphragm is disposed between two adjacent electrode plate assemblies, and the diaphragm is made of asbestos.

In this embodiment, because the electrolytic water in-process electrolyte has the hydrogen that separates out in succession, the oxygen bubble, make the resistance of electrolyte increase, so be equipped with inlet 11 in the one end of electrolytic bath 1, the other end is equipped with liquid outlet 12, be provided with circulating pump 4 between inlet 11 and the liquid outlet 12, the gas content of electrolyte can effectively be reduced through the circulation rate that increases electrolyte, in addition, be provided with fire fighting equipment 5 between liquid outlet 12 and the circulating pump 4, be arranged in eliminating the bubble in the discharge electrolyte, with the gas content of minimize electrolyte, and then improve electrolysis efficiency.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A novel hydrogen generator is characterized in that: including the electrolytic bath with locate a plurality of electrode plate subassemblies in the electrolytic bath, each the mutual parallel arrangement of electrode plate subassembly is according to crisscross equidistant the laying along the length direction of electrolytic bath of positive and negative polarity, each the electrode plate subassembly includes the electrode plate body respectively and fixes the picture peg of locating its both sides, each the both sides of electrode plate subassembly all are equipped with the slot, each slot all with the lateral wall fixed connection of electrolytic bath, each the picture peg and the slot grafting of electrode plate subassembly homonymy match, the electrode plate body is snakelike buckling plate, and the surface of electrode plate body evenly is provided with a plurality of spherical archs, each the electrode plate body upper surface all is provided with and carries the pole, it is used for taking out or inserting corresponding slot with the picture peg of the electrode plate subassembly that corresponds to carry the pole.

2. The novel hydrogen generator as claimed in claim 1, wherein: the electrode plate body includes that a plurality of semicircle convex plate and semicircle concave plate are crisscross to be met, integrated into one piece, each the pole is put in the centre point position of semicircle convex plate or semicircle concave plate to the carrying of electrode plate body upper surface, and arbitrary double-phase adjacent the pole is put in the carrying of electrode plate body upper surface and all misplaces and arrange.

3. The novel hydrogen generator as claimed in claim 1, wherein: the electrode plate body is made of iron or nickel.

4. The novel hydrogen generator as claimed in claim 3, wherein: the spherical bulge is made of iron or nickel.

5. The novel hydrogen generator as claimed in claim 1, wherein: and a diaphragm is arranged between every two adjacent electrode plate assemblies and is made of asbestos.

6. The novel hydrogen generator as claimed in claim 1, wherein: one end of the electrolytic cell is provided with a liquid inlet, the other end of the electrolytic cell is provided with a liquid outlet, and a circulating pump is arranged between the liquid inlet and the liquid outlet.

7. The novel hydrogen generator as claimed in claim 6, wherein: and a defoaming device is arranged between the liquid outlet and the circulating pump and used for eliminating bubbles in the discharged electrolyte.