CN217052434U - Electrode structure for chlor-alkali ionic membrane - Google Patents
Electrode structure for chlor-alkali ionic membrane Download PDFInfo
- Publication number
- CN217052434U CN217052434U CN202220850370.4U CN202220850370U CN217052434U CN 217052434 U CN217052434 U CN 217052434U CN 202220850370 U CN202220850370 U CN 202220850370U CN 217052434 U CN217052434 U CN 217052434U
- Authority
- CN
- China
- Prior art keywords
- cathode
- anode
- plate
- spraying layer
- chlor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses an electrode structure for chlor-alkali ionic membrane, include: two side surfaces of the ion membrane are respectively provided with a cathode surface and an anode surface; the cathode spraying layer is arranged on the cathode surface of the ion membrane and protrudes out of the cathode surface; the anode spraying layer is arranged on the anode surface of the ion membrane and protrudes out of the anode surface; the cathode plate is fixedly connected to the cathode spraying layer, and the cathode spraying layer is tightly matched with the cathode plate; the anode plate is fixedly connected to the anode spraying layer, and the anode spraying layer is tightly matched with the anode plate; the cathode plate is welded with the cathode spraying layer, and the anode plate is welded with the anode spraying layer. The utility model discloses a carry out corresponding welding treatment back with negative pole spraying layer and negative pole polar plate to and positive pole spraying layer and positive pole polar plate, make the electrolysis trough pressure drop, calorific capacity reduces, and can make electrolysis current density increase, thereby make the volume of electrolysis trough also can reduce greatly.
Description
Technical Field
The utility model relates to a chlor-alkali industrial equipment technical field, more specifically say, relate to an electrode structure for chlor-alkali ionic membrane.
Background
The chlor-alkali industry refers to the industry where sodium hydroxide, chlorine and hydrogen are produced by the process of electrolysis of saturated sodium chloride solution and they are used as raw materials to produce a series of chemical products, and is called chlor-alkali industry. The chlor-alkali industry is one of the most basic chemical industries and its products are widely used in the light industry, textile industry, metallurgical industry, petrochemical industry and utilities, in addition to the chemical industry itself. At present, three main preparation methods exist: namely the diaphragm method, the double cell method and the mercury cell method.
Among them, the diaphragm method is the most mature, and its electrolysis principle is: a porous and permeable barrier (i.e., an ionic membrane) is provided between the cathode and anode compartments of the cell that prevents the anode product from mixing with the cathode product, but does not impede the free migration of anions and cations. While chlorine gas is produced at the anode of the cell and hydrogen gas and sodium hydroxide solution are produced at the cathode.
However, in the prior art, in the electrode plate structure for the electrolytic cell, the cathode and the anode (both the cathode and the anode are sprayed layers) are laminated with the electrode plate, and the problems of high cell pressure, large heat generation, low electrolytic current density and the like can occur in the electrolytic process.
Disclosure of Invention
The utility model overcomes prior art's is not enough, and its structural design is reasonable, through with negative pole spraying layer and negative pole polar plate to and positive pole spraying layer and positive pole polar plate carry out corresponding welding treatment after, make the electrolysis trough press to reduce, calorific capacity reduces, and can make electrolysis current density increase, thereby make the volume of electrolysis trough also can reduce greatly.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an electrode structure for chlor-alkali ionic membranes comprising: the two side surfaces of the ionic membrane are respectively provided with a cathode surface and an anode surface;
the cathode spraying layer is arranged on the cathode surface of the ion membrane and protrudes out of the cathode surface;
the anode spraying layer is arranged on the anode surface of the ion membrane and protrudes out of the anode surface;
the cathode plate is fixedly connected to the cathode spraying layer, and the cathode spraying layer is tightly matched with the cathode plate;
and the anode plate is fixedly connected to the anode spraying layer, and the anode spraying layer and the anode plate are tightly matched.
Preferably, the cathode plate is welded with the cathode spraying layer, and the anode plate is welded with the anode spraying layer.
Preferably, the cathode plate is configured as a nickel plate or has a nickel plating layer on the surface.
Preferably, the anode plate is configured as a titanium plate or has a titanium-plated layer on the surface.
The utility model has the advantages that:
the utility model discloses an electrode structure for chlor-alkali ionic membrane, its structural design is reasonable, through with negative pole spraying layer and negative pole polar plate to and positive pole spraying layer carries out corresponding welding treatment with the positive pole polar plate after, make the electrolysis trough reduce in pressure, calorific capacity reduces, and can make electrolysis current density increase, thereby make the volume of electrolysis trough also can reduce greatly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1. an ionic membrane; 11. a cathode face; 12. an anode face; 2. a cathode spray coating layer; 3. an anodic spray coating; 4. a cathode plate; 5. an anode plate; 6. and (7) welding points.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1, an electrode structure for chlor-alkali ionic membrane comprising: an ionic membrane 1, two side surfaces of which are respectively provided with a cathode surface 11 and an anode surface 12; the cathode spray coating layer 2 is arranged on the cathode surface 11 of the ion membrane 1 and protrudes out of the cathode surface 11; the anode spray coating layer 3 is arranged on the anode surface 12 of the ion membrane 1 and protrudes out of the anode surface 12; a cathode plate 4 fixedly connected to the cathode spray coating 2 and making the cathode spray coating 2 and the cathode plate 4 closely fit; an anode plate 5 fixedly connected to the anode spray coating 3 and making the anode spray coating 3 and the anode plate 5 closely fit; the cathode plate 4 is welded with the cathode spraying layer 2, and the anode plate 5 is welded with the anode spraying layer 3; the cathode plate 4 is configured as a nickel plate or has a nickel-plated layer on the surface; the anode plate 5 is configured as a titanium plate or has a titanium plated layer on the surface.
Through adopting the technical scheme, the utility model discloses in, preferably with the welding of negative pole polar plate 4 and negative pole spraying layer 2 to and with the welding of positive pole polar plate 5 and positive pole spraying layer 3, and be formed with solder joint 6. Thus, the cathode sprayed layer 2 and the cathode plate 4 can be tightly matched, and the anode sprayed layer 3 and the anode plate 5 can be tightly matched. Compare in prior art only through the scheme of pressfitting, the utility model discloses a carry out corresponding welding treatment back with negative pole spraying layer 2 and negative pole polar plate 4 to and positive pole spraying layer 3 and positive pole polar plate 5, make the electrolysis trough pressure drop, calorific capacity reduces, and can make electrolysis current density increase, thereby make the volume of electrolysis trough also can reduce greatly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. An electrode structure for chlor-alkali ionic membranes comprising:
the two side surfaces of the ionic membrane are respectively provided with a cathode surface and an anode surface;
the cathode spraying layer is arranged on the cathode surface of the ion membrane and protrudes out of the cathode surface;
the anode spraying layer is arranged on the anode surface of the ion membrane and protrudes out of the anode surface;
the cathode plate is fixedly connected to the cathode spraying layer, and the cathode spraying layer is tightly matched with the cathode plate;
and the anode plate is fixedly connected to the anode spraying layer, and the anode spraying layer is tightly matched with the anode plate.
2. The electrode structure for chlor-alkali ionic membrane of claim 1 wherein the cathode plate is welded to the cathode sprayed layer and the anode plate is welded to the anode sprayed layer.
3. The electrode structure for a chlor-alkali ionic membrane according to claim 1 or 2, characterized in that the cathode plate is configured as a nickel plate or has a nickel plated layer on the surface.
4. The electrode structure for chlor-alkali ionic membrane of claim 3, wherein the anode plate is configured as a titanium plate or with a titanium plated layer on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220850370.4U CN217052434U (en) | 2022-04-13 | 2022-04-13 | Electrode structure for chlor-alkali ionic membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220850370.4U CN217052434U (en) | 2022-04-13 | 2022-04-13 | Electrode structure for chlor-alkali ionic membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217052434U true CN217052434U (en) | 2022-07-26 |
Family
ID=82471833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220850370.4U Active CN217052434U (en) | 2022-04-13 | 2022-04-13 | Electrode structure for chlor-alkali ionic membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217052434U (en) |
-
2022
- 2022-04-13 CN CN202220850370.4U patent/CN217052434U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5082543A (en) | Filter press electrolysis cell | |
| CA1094505A (en) | Monopolar membrane electrolytic cell | |
| JPS5893881A (en) | Electrode structure and electrolytic tank equipped therewith | |
| JPS6143436B2 (en) | ||
| ES475850A1 (en) | Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane | |
| CN113186555A (en) | High-current-density alkaline water electrolysis cell structure and device | |
| JP6216806B2 (en) | Ion exchange membrane electrolytic cell | |
| JPS59133384A (en) | Electrolytic cell | |
| JPS5743992A (en) | Electrolyzing method for alkali chloride | |
| CN217052434U (en) | Electrode structure for chlor-alkali ionic membrane | |
| US4752369A (en) | Electrochemical cell with improved energy efficiency | |
| KR20220057576A (en) | Cross-flow water electrolysis | |
| JPS5848686A (en) | Cation exchange membrane for electrolyzing aqueous solution of alkali chloride | |
| US4177118A (en) | Process for electrolyzing water | |
| JPS5845388A (en) | Electrolytic cell | |
| RU2562457C1 (en) | Method of making electrode-diaphragm unit for alkaline water electrolysis cell | |
| CN216129682U (en) | High-current-density alkaline water electrolyzer device | |
| CN220685252U (en) | Novel alkaline water electrolysis tank | |
| CN220926975U (en) | Composite polar plate for electrolytic cell and electrolytic cell | |
| JPS6147230B2 (en) | ||
| JPS5932547B2 (en) | water electrolysis method | |
| JP2653678B2 (en) | Electrolysis equipment | |
| JP3212318B2 (en) | Monopolar ion exchange membrane electrolytic cell | |
| JP4582784B2 (en) | Ion exchange membrane electrolysis method | |
| CN2378400Y (en) | Multipole type ionic membrane cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |