CN214881863U - Electrolytic cell polar net iridium coating - Google Patents
Electrolytic cell polar net iridium coating Download PDFInfo
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- CN214881863U CN214881863U CN202120073716.XU CN202120073716U CN214881863U CN 214881863 U CN214881863 U CN 214881863U CN 202120073716 U CN202120073716 U CN 202120073716U CN 214881863 U CN214881863 U CN 214881863U
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Abstract
The utility model relates to an electrolysis trough technical field just discloses an electrolysis trough polar net iridium coating, including electrolysis trough, positive electrode, negative terminal, positive terminal, bearing base, sealing plug, collecting duct, feed liquor hole and wire, the internal connection of electrolysis trough has negative electrode, and negative terminal and positive terminal are installed respectively to one side of electrolysis trough, the feed liquor hole has been seted up on the top of electrolysis trough, one side of negative electrode is provided with the positive electrode, the one end of positive electrode and negative electrode all is connected with the wire, the positive electrode is connected with the positive terminal through the wire, the negative electrode is connected with the negative terminal through the wire. The sealing plug of the iridium coating of the polar net of the electrolytic cell can conveniently and quickly supply electrolyte in the electrolytic cell, and simultaneously, the electrolytic cell can be in an environment with good sealing conditions, and the anode electrode has excellent comprehensive performance by coating the oxide of noble metal iridium on the titanium rod of the anode electrode.
Description
Technical Field
The utility model relates to the technical field of electrolytic cells, in particular to an iridium coating of an electrolytic cell polar net.
Background
The electrolytic cell is a known structure and is formed by fixedly connecting end plates on two sides and a plurality of electrolytic chambers arranged between the end plates through pull rods; each electrolytic chamber comprises a spacing ring and sealing plates at two sides, a diaphragm is arranged in each electrolytic chamber to form an anode chamber and a cathode chamber in the electrolytic chamber, oxygen is discharged from the anode chamber, hydrogen is discharged from the cathode chamber, each electrolytic chamber corresponds to one liquid inlet of the electrolytic chamber, one oxygen outlet and one hydrogen outlet, and in order to uniformly feed and discharge the liquid, all the electrolytic chambers are stacked together to form an electrolytic cell, also called as an electrolytic stack; the electrolytic bath comprises a uniform liquid inlet pipe, an oxygen outlet pipe and a hydrogen outlet pipe.
Some electrolyzer units currently on the market:
(1) in the using process, as the electrolytic cell is formed by fixedly connecting a plurality of electrolytic chambers into a whole through a plurality of pull rods, a plurality of end face contacts can be formed between the electrolytic chambers and between the electrolytic chamber beside the electrolytic chambers and the end plate, the electrolytic chambers are difficult to axially tighten through the plurality of pull rods to realize sealing, the sealing condition is poor, the gas generated by electrolysis is difficult to collect, and after the electrolytic cell is used for a period of time, a plurality of gaps always generate gas, so that the existing electrolytic cell device has the problem of poor using effect;
(2) in the electrolytic process, because the anode is not provided with a protective coating, the electrolytic efficiency is low, and the physical, chemical and electrochemical properties of the common anode are poor, the service life of the anode and the current density during electrolysis can be directly influenced, and the problem that the practical performance of the existing electrolytic cell device is low is caused.
We therefore propose an iridium coating for cell grids in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the deficiencies of the prior art in the background art, an object of the present invention is to provide an iridium coating for electrolytic cell grids, which can solve the problems of poor sealing condition and no protective coating on the anode in some iridium coatings for electrolytic cell grids in the current market proposed in the background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an electrolytic bath polar net iridium coating comprises an electrolytic bath, an anode, a cathode binding post, a positive binding post, a bearing base, a sealing plug, a gas collecting pipe, a liquid inlet hole and a lead, wherein the cathode is connected inside the electrolytic bath, the cathode binding post and the positive binding post are respectively installed on one side of the electrolytic bath, and the top end of the electrolytic bath is provided with the liquid inlet hole;
one side of the cathode electrode is provided with an anode electrode, one ends of the anode electrode and the cathode electrode are both connected with a lead, the anode electrode is connected with a positive terminal through the lead, and the cathode electrode is connected with a negative terminal through the lead;
the liquid inlet holes are two in number, the upper ends of the two liquid inlet holes are connected with sealing plugs, gas collecting pipes are mounted at the upper ends of the sealing plugs, and one ends of the leads are connected with a power supply.
Preferably, the whole of electrolysis trough is the cuboid structure, the electrolysis cavity has been seted up to the inside of electrolysis trough, the whole PC board material of making by of electrolysis trough, negative electrode and electrolysis cavity looks adaptation, the middle part position at the electrolysis cavity is installed to the negative electrode, positive electrode fixed mounting is in one side of negative electrode.
Preferably, the anode electrode is integrally formed by a plurality of titanium rods, the number of the plurality of titanium rods is not less than thirteen, each titanium rod is connected in series, each titanium rod is made of metal titanium serving as a base body, the surface of the base body of each titanium rod is subjected to special coating process treatment, the coating is oxide of noble metal iridium, and one end of the anode electrode is fixedly connected with one end of one lead.
Preferably, the cathode electrode is integrally of a plate-shaped structure, the surface of the plate-shaped structure is uniformly provided with adaptive diaphragm holes, an electrolysis cavity of the electrolysis cell is divided into two electrolysis cavities through the plate-shaped structure, and one end of the cathode electrode is fixedly connected with one end of one of the leads.
Furthermore, one end of the negative terminal is fixedly connected with one end of one of the leads, the other end of the one of the leads is fixed to the negative electrode in a matched mode, the other end of the negative terminal is connected with the negative knob in a threaded mode, the negative terminal is detachably connected with the other lead through the negative knob, the number of the leads is four, and the negative electrode and the negative terminal form a passage with the power supply through the two of the leads.
Furthermore, one end of the positive terminal is fixedly connected with one end of one of the leads, the other end of the one of the leads is matched and fixed with the positive electrode, the other end of the positive terminal is in threaded connection with a positive knob, the positive terminal is detachably connected with the other lead through the positive knob, and the positive electrode and the positive terminal form a passage with a power supply through the two leads.
Furthermore, the lower ends of the two sealing plugs are respectively fixed with a connecting sleeve matched with the liquid inlet holes, the two liquid inlet holes are symmetrically arranged at the diagonal positions of the top end of the electrolytic cell, the upper end of each sealing plug is matched and fixed with the gas collecting pipe, the other end of each gas collecting pipe is connected with a gas collecting bottle matched with the gas collecting pipe, and the gas collecting pipes are detachably connected with the electrolytic cell through the sealing plugs.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that: the electrolytic cell polar net iridium coating:
(1) be provided with movable mounting's sealing plug on the electrolysis trough, the sealing plug can make the convenient and fast's of the supply work of the electrolyte in the electrolysis trough go on, can also make in the electrolysis trough be in an environment that sealing condition is good simultaneously, platelike structure and the diaphragm hole cooperation through the negative electrode are used, can fully contact when guaranteeing sealing performance between messenger's electrolysis chamber and the electrolysis chamber and become a whole, thereby make electrolysis work can go on by safe and reliable, can also come to carry out convenient and reliable collection work to electrolytic gas through the collecting duct, the result of use of this electrolysis trough has been promoted.
(2) The electrolytic cell forms a polar net iridium coating by coating the oxide of noble metal iridium on the titanium rod of the anode electrode, and the anode electrode surface is covered by the polar net iridium coating with high catalytic activity, so that the potential of a titanium matrix exposed at some defects on the surface usually does not exceed 2V, and the titanium matrix can not generate the breakdown damage of a surface passivation film, thus the corrosion resistance of the titanium matrix and the conductivity and catalytic activity of the noble metal oxide attached to the surface are organically combined together, so that the anode electrode has excellent comprehensive performance, and the service life and the practical effect of the anode electrode of the electrolytic cell are improved.
Drawings
FIG. 1 is a schematic structural diagram of an anode electrode of an iridium coating of an electrolytic cell polar net of the present invention;
FIG. 2 is a schematic structural diagram of a cathode electrode of the iridium coating of the electrolytic cell polar net of the present invention;
FIG. 3 is a schematic structural diagram of the integral front view of the iridium coating of the polar net of the electrolytic cell of the utility model;
FIG. 4 is a schematic structural diagram of the overall top view of the iridium coating of the polar net of the electrolytic cell of the present invention;
fig. 5 is a schematic view of the connection structure of the sealing plug of the iridium coating of the electrolytic cell polar net of the utility model.
In the figure: the electrolytic cell comprises an electrolytic cell 1, an anode 2, a cathode 3, a cathode binding post 4, an anode binding post 5, a bearing base 6, a sealing plug 7, a gas collecting pipe 8, a liquid inlet hole 9 and a lead 10.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an iridium coating for an electrolytic cell polar net; the electrolytic cell comprises an electrolytic cell 1, an anode electrode 2, a cathode electrode 3, a cathode wiring terminal 4, an anode wiring terminal 5, a bearing base 6, a sealing plug 7, a gas collecting pipe 8, a liquid inlet hole 9 and a lead 10, wherein the cathode electrode 3 is connected inside the electrolytic cell 1, the cathode wiring terminal 4 and the anode wiring terminal 5 are respectively installed on one side of the electrolytic cell 1, and the liquid inlet hole 9 is formed in the top end of the electrolytic cell 1;
one side of the cathode electrode 3 is provided with an anode electrode 2, one ends of the anode electrode 2 and the cathode electrode 3 are both connected with a lead 10, the anode electrode 2 is connected with a positive terminal 5 through the lead 10, and the cathode electrode 3 is connected with a negative terminal 4 through the lead 10;
the number of the liquid inlet holes 9 is two, the upper ends of the two liquid inlet holes 9 are both connected with a sealing plug 7, the upper ends of the sealing plugs 7 are both provided with a gas collecting pipe 8, and one end of a lead 10 is connected with a power supply;
as an optimal technical solution of the utility model: the whole electrolytic cell 1 is of a cuboid structure, an electrolytic cavity is formed in the electrolytic cell 1, the whole electrolytic cell 1 is made of a PC plate material, a cathode electrode 3 is matched with the electrolytic cavity, the cathode electrode 3 is arranged in the middle of the electrolytic cavity, an anode electrode 2 is fixedly arranged on one side of the cathode electrode 3, and the PC plate is processed by high-performance engineering plastic polycarbonate PC resin and has the characteristics of high transparency, light weight, impact resistance, sound insulation, heat insulation, flame resistance, ageing resistance and the like, so that the plastic plate is high in technology, extremely excellent in comprehensive performance, energy-saving and environment-friendly;
as an optimal technical solution of the utility model: the anode 2 is integrally formed by a plurality of titanium rods, the number of the titanium rods is not less than thirteen, each titanium rod is connected in series, each titanium rod is made of metal titanium serving as a base body, the surface of the base body of each titanium rod is subjected to special coating process treatment, the coating is oxide of noble metal iridium, one end of the anode 2 is fixedly connected with one end of one lead 10, the polar net iridium coating is made of pure titanium serving as the base body, the base body can be in the form of a titanium rod, a titanium plate, a titanium net, a titanium wire and the like, the surface of the titanium base material is subjected to special treatment, and then metal or metal oxide, preferably noble metal or noble metal oxide is coated on the surface of the titanium base body to be combined into a whole, so that the corrosion resistance of the titanium base body and the conductivity and catalytic activity of the noble metal oxide attached to the surface are organically combined together, and the titanium electrode has excellent performance;
the working principle of the embodiment is as follows: when the electrolytic tank is used, as shown in fig. 1-5, after a proper electrolyte is added into the electrolytic tank 1 through the liquid inlet hole 9, the sealing plug 7 is installed and fixed on the liquid inlet hole 9, and then after the gas collecting bottle is installed at one end of the gas collecting pipe 8, the lead 10 is connected with a power supply;
the above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "set", "mounted", "connected", "fixed", and the like are to be interpreted broadly, and may be, for example, either fixedly connected or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art; it will be appreciated by those skilled in the art that modifications may be made to the above-described embodiments, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and the like which fall within the spirit and scope of the present invention may be resorted to.
Claims (6)
1. An electrolytic bath polar net iridium coating comprises an electrolytic bath (1), an anode (2), a cathode (3), a cathode binding post (4), an anode binding post (5), a bearing base (6), a sealing plug (7), a gas collecting pipe (8), a liquid inlet hole (9) and a lead (10), and is characterized in that the cathode (3) is connected inside the electrolytic bath (1), the cathode binding post (4) and the anode binding post (5) are respectively installed on one side of the electrolytic bath (1), and the liquid inlet hole (9) is formed in the top end of the electrolytic bath (1);
an anode electrode (2) is arranged on one side of the cathode electrode (3), one ends of the anode electrode (2) and the cathode electrode (3) are connected with a lead (10), the anode electrode (2) is connected with a positive terminal (5) through the lead (10), and the cathode electrode (3) is connected with a negative terminal (4) through the lead (10);
the gas collecting device is characterized in that the number of the liquid inlet holes (9) is two, the upper ends of the two liquid inlet holes (9) are connected with sealing plugs (7), gas collecting pipes (8) are mounted at the upper ends of the sealing plugs (7), and one end of each conducting wire (10) is connected with a power supply.
2. The iridium coating for the electrolytic cell polar net is characterized in that the whole electrolytic cell (1) is in a cuboid structure, an electrolytic cavity is formed in the electrolytic cell (1), the whole electrolytic cell (1) is made of a PC (polycarbonate) plate material, the cathode electrode (3) is matched with the electrolytic cavity, the cathode electrode (3) is arranged in the middle of the electrolytic cavity, and the anode electrode (2) is fixedly arranged on one side of the cathode electrode (3).
3. The iridium coating of the electrolytic cell polar net is characterized in that the cathode (3) is of a plate-shaped structure as a whole, the surface of the plate-shaped structure is uniformly provided with adaptive diaphragm holes, an electrolytic cavity of the electrolytic cell (1) is divided into two electrolytic cavities through the plate-shaped structure, and one end of the cathode (3) is fixedly connected with one end of one lead (10).
4. An iridium coating of an electrolytic cell polar net according to claim 1, wherein one end of the negative terminal (4) is fixedly connected with one end of one of the conducting wires (10), the other end of one of the conducting wires (10) is fittingly fixed with the negative electrode (3), the other end of the negative terminal (4) is in threaded connection with a negative knob, the negative terminal (4) is detachably connected with the other conducting wire (10) through the negative knob, the conducting wires (10) are four in total, and the negative electrode (3) and the negative terminal (4) form a passage with a power supply through two conducting wires (10).
5. An iridium coating of an electrolytic cell polar net according to claim 1, wherein one end of the positive terminal (5) is fixedly connected with one end of one of the conducting wires (10), the other end of one of the conducting wires (10) is fittingly fixed with the positive electrode (2), the other end of the positive terminal (5) is in threaded connection with a positive knob, the positive terminal (5) is detachably connected with the other conducting wire (10) through the positive knob, and the positive electrode (2) and the positive terminal (5) form a passage with a power supply through two conducting wires (10).
6. The iridium coating of an electrolytic cell polar net is characterized in that the lower ends of two sealing plugs (7) are respectively fixed with a connecting sleeve matched with a liquid inlet hole (9), the two liquid inlet holes (9) are symmetrically arranged at the diagonal positions of the top end of the electrolytic cell (1), the upper end of each sealing plug (7) is matched and fixed with a gas collecting pipe (8), the other end of each gas collecting pipe (8) is connected with a matched gas collecting bottle, and the gas collecting pipes (8) are respectively detachably connected with the electrolytic cell (1) through the sealing plugs (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120073716.XU CN214881863U (en) | 2021-01-12 | 2021-01-12 | Electrolytic cell polar net iridium coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120073716.XU CN214881863U (en) | 2021-01-12 | 2021-01-12 | Electrolytic cell polar net iridium coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941154A (en) * | 2022-04-29 | 2022-08-26 | 同济大学 | Alkaline water electrolytic tank partition electrode and preparation method thereof |
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2021
- 2021-01-12 CN CN202120073716.XU patent/CN214881863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941154A (en) * | 2022-04-29 | 2022-08-26 | 同济大学 | Alkaline water electrolytic tank partition electrode and preparation method thereof |
| CN114941154B (en) * | 2022-04-29 | 2023-08-04 | 同济大学 | Alkaline water electrolysis bath partition electrode and preparation method |
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