Pole chamber isolation electrolysis device

Abstract

The utility model provides a pole chamber isolation electrolysis device. The pole chamber isolation electrolysis device comprises an outer shell and an electrolysis module, the electrolysis module comprises a mounting shell and an electrolysis unit, the electrolysis unit is mounted on the mounting shell, and the electrolysis unit comprises a first electrode, an ion exchange membrane and a second electrode; the ion exchange membrane is connected with the mounting shell to form a closed electrolysis cavity, the first electrode is arranged in the electrolysis cavity, and the second electrode is arranged on the side, opposite to the first electrode, of the ion exchange membrane; a water inlet end and a water outlet end are formed in the mounting shell, the water inlet end is communicated to the electrolysis cavity, and the electrolysis cavity is communicated to the water outlet end; the outer shell is provided with a containing cavity, and the installation shell is connected with the outer shell so that the electrolysis unit can be arranged in the containing cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic cell field, especially in the anode and cathode chamber compartment type electrolytic cell. BACKGROUND

[0002] The diaphragm electrolytic cell is separated by diaphragm between cathode and anode to prevent the solution (product) of the two poles from mixing. The existing electrolytic cell structure usually adopts the structure of multiple electrolytic units composite superposition, and multiple electrodes, membranes and other electrolytic components are stacked and installed during assembly. There are problems of large equipment size, complex shunt structure and high maintenance cost. SUMMARY

[0003] Based on the above-mentioned problems, the present application aims to provide an electrolytic device with anode and cathode chamber separation.

[0004] An electrolytic device with anode and cathode chamber separation, comprising an outer shell and an electrolytic module;

[0005] The electrolytic module comprises a mounting shell and an electrolytic unit, the electrolytic unit is mounted on the mounting shell, and the electrolytic unit comprises a first electrode, an ion exchange membrane and a second electrode;

[0006] The ion exchange membrane is connected with the mounting shell to form a closed electrolytic cavity, the first electrode is arranged in the electrolytic cavity, and the second electrode is arranged on the side of the ion exchange membrane away from the first electrode;

[0007] The mounting shell forms a water inlet end and a water outlet end, the water inlet end is communicated to the electrolytic cavity, and the electrolytic cavity is communicated to the water outlet end;

[0008] The outer shell has a cavity, and the mounting shell is connected with the outer shell so that the electrolytic unit is arranged in the cavity.

[0009] In one embodiment, the mounting shell has a mounting surface, and the first electrode is mounted on the mounting surface.

[0010] In one embodiment, a gasket is arranged on the mounting surface, the gasket is arranged between the first electrode and the ion exchange membrane, the ion exchange membrane is connected with the gasket to form the electrolytic cavity between the first electrode and the ion exchange membrane.

[0011] In one embodiment, the surface of the gasket is provided with an encapsulation sheet, and the ion exchange membrane is mounted on the encapsulation sheet.

[0012] In one embodiment, the mounting surface is provided with a support block, and the first electrode is arranged away from the support block so that the support block protrudes from the surface of the first electrode.

[0013] In one embodiment, the ion exchange membrane is connected to the mounting shell and abuts on the support block to form the electrolysis cavity between the first electrode and the ion exchange membrane.

[0014] In one embodiment, the mounting shell surface has at least two mounting surfaces, each of which is provided with an electrolysis unit.

[0015] In one embodiment, the second electrode is provided with a plurality of through holes.

[0016] In one embodiment, the mounting shell has an electrical connection cavity, the first electrode is connected with the first end of the electrical connection sheet, and the second end of the electrical connection sheet extends to the electrical connection cavity.

[0017] In one embodiment, the electrical connection cavity is provided with an electrical connection column, the electrical connection sheet is connected with the electrical connection column, and the electrical connection column extends out of the mounting shell and is arranged outside the cavity.

[0018] In one embodiment, the number of electrolysis modules is multiple.

[0019] In one embodiment, the electrode material of the first electrode and / or the second electrode is one of conductive silicon, conductive diamond, or titanium, platinum, lead, tantalum, iridium, palladium, antimony, or an oxide thereof.

[0020] The beneficial effects of the present application are:

[0021] In the structure of the electrode chamber isolation electrolysis device, on the one hand, the water flow enters the electrolysis cavity from the water inlet end of the mounting shell, and the anode product or cathode product is generated by electrolysis on the surface of the first electrode, and then discharged through the water outlet end, on the other hand, the cavity constitutes the electrolysis reaction cavity of the second electrode, and the water in the cavity is electrolyzed on the surface of the second electrode to generate cathode product or anode product, that is, the reaction cavities of the cathode and the anode are arranged on two modules, the electrolysis module part has one of the reaction cavities, and the other reaction cavity is arranged on the outer shell. When the electrolysis module is installed on the outer shell, it can be used, the water body diversion structure is simple, the complex flow channel structure of the existing separation type electrolysis tank is avoided, multiple electrolysis modules can be arranged according to actual needs, multiple electrolysis modules are arranged on one outer shell, the cavity is the common reaction cavity of the second electrodes in multiple electrolysis modules, the electrolysis modules can be stacked conveniently and simply, the supporting components are easy to prepare and batch assemble, the equipment size of the electrolysis device is miniaturized, the electrolysis module can be disassembled from the outer shell, the electrolysis module can be maintained, the construction and maintenance cost of the equipment is reduced, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0023] Figure 1 The structure diagram of the electrode chamber isolated electrolysis device of an embodiment of the present application.

[0024] Figure 2 The cross-sectional view of the electrode module of the electrode chamber isolated electrolysis device of an embodiment of the present application. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] As shown in Figure 1 and Figure 2 , the structure comprises the electrode chamber isolated electrolysis device of an embodiment of the present application, specifically comprising a shell 1 and an electrolysis module 2.

[0027] The electrolysis module 2 comprises a mounting shell 20 and an electrolysis unit, the electrolysis unit comprises a first electrode 31, an ion exchange membrane 32 and a second electrode 33, the electrolysis unit is mounted on the mounting shell 20, for example, the mounting shell 20 has a mounting surface 41, the first electrode 31 is mounted on the mounting surface 41, the ion exchange membrane 32 and the second electrode 33 are sequentially arranged on the side of the first electrode 31, i.e. the side of the first electrode 31 away from the mounting surface 41, so as to mount the first electrode 31, the ion exchange membrane 32 and the second electrode 33 on the mounting shell 20.

[0028] The ion exchange membrane 32 is connected to the mounting shell 20 to form a closed electrolysis cavity 23, the first electrode 31 is arranged in the electrolysis cavity 23, and the second electrode 33 is arranged on the side of the ion exchange membrane 32 opposite to the first electrode 31. That is, the first electrode 31 and the second electrode 33 are arranged on the two sides of the ion exchange membrane 32, respectively, the ion exchange membrane 32 is connected to the mounting shell 20 to separate the first electrode 31 and the second electrode 33, and the ion exchange membrane 32 is connected to the mounting shell 20 to form an independent electrolysis cavity 23, the first electrode 31 is arranged in the electrolysis cavity 23 to be arranged on one side of the ion exchange membrane 32, and the electrolysis cavity 23 serves as an electrolysis reaction cavity of the first electrode 31, and the second electrode 33 is arranged on the other side of the ion exchange membrane 32.

[0029] The mounting shell 20 is formed with a water inlet end 21 and a water outlet end 22, the water inlet end 21 is communicated to the electrolysis cavity 23, the electrolysis cavity 23 is communicated to the water outlet end 22, so that the independent electrolysis cavity 23 is communicated through the water inlet end 21 and the water outlet end 22, and water flows into the electrolysis cavity 23 from the water inlet end 21 and flows out from the water outlet end 22.

[0030] The outer shell 1 has a cavity 10, and the mounting shell 20 is connected to the outer shell 1 to arrange the electrolysis unit in the cavity 10. Since the second electrode 33 is arranged on the other side of the ion exchange membrane 32 relative to the electrolysis cavity 23, after the mounting shell 20 is mounted on the outer shell 1, the second electrode 33 of the electrolysis unit is exposed in the cavity 10, so that the cavity 10 serves as an electrolysis reaction cavity of the second electrode 33.

[0031] For example, the outer shell 1 is provided with a water outlet end 12, and the product generated by electrolysis flows out from the water outlet end 12. For another example, the outer shell 1 is provided with a water inlet end, and raw water enters the cavity for participating in electrolysis reaction.

[0032] In the above embodiment, the structure of the electrode-isolated electrolysis device is such that, on the one hand, water flows into the electrolysis chamber 23 from the water inlet 21 of the mounting housing 20, electrolyzes on the surface of the first electrode 31 to produce anodic or cathodic products, and then discharges through the water outlet 22; on the other hand, the cavity 10 constitutes the electrolysis reaction chamber of the second electrode 33, and the water in the cavity 10 electrolyzes on the surface of the second electrode 33 to produce cathodic or anodic products. That is, the cathodic and anodic reaction chambers are arranged on two modules, with the electrolysis module 2 having one reaction chamber and the outer housing 1 having the other reaction chamber. The electrolysis module 2 is installed on the outer housing 1. The device is ready to use on the shell 1. Its anode and cathode water separation structure is simple, eliminating the need for the complex flow channel structure of existing partitioned electrolytic cells. Multiple electrolysis modules 2 can be configured according to actual needs. Multiple electrolysis modules 2 can be configured on one shell 1. The cavity 10 is the common reaction cavity of the second electrode 33 in multiple electrolysis modules 2. The electrolysis modules 2 can be stacked conveniently and simply. The supporting components are easy to prepare and mass-produce, which makes the equipment size of the electrolysis device smaller. The electrolysis modules 2 can be disassembled from the shell 1 for maintenance, reducing the construction and maintenance costs of the equipment and extending its service life.

[0033] In order to form the electrolysis chamber 23, in one embodiment, a gasket 6 is provided on the mounting surface 41. The gasket 6 is disposed between the first electrode 31 and the ion exchange membrane 32. The gasket 6 creates a space between the first electrode 31 and the ion exchange membrane 32. Therefore, the connection between the ion exchange membrane 32 and the gasket 6 forms the electrolysis chamber 23 between the first electrode 31 and the ion exchange membrane 32.

[0034] In one embodiment, such as Figure 1 and Figure 2 As shown, an encapsulation sheet is disposed on the surface of the gasket 6, and the ion exchange membrane 32 is mounted on the encapsulation sheet. The encapsulation sheet encapsulates the ion exchange membrane 32, thereby separating the two sides of the first electrode 31 and the second electrode 33. Furthermore, an encapsulation sheet is also disposed between the ion exchange membrane 32 and the second electrode 33, and the ion exchange membrane 32 is encapsulated by the encapsulation sheets on both sides, thereby separating the two sides of the first electrode 31 and the second electrode 33. In a preferred embodiment, the encapsulation sheet is annular and arranged around the edge of the ion exchange membrane 32, thereby encapsulating the ion exchange membrane 32.

[0035] To construct the electrolysis chamber 23, in one embodiment, please refer to... Figure 1 and Figure 2The mounting surface 41 is provided with a support block 4, the first electrode 31 is arranged staggered with the support block 4, and the surface of the support block 4 protrudes from the first electrode 31. The gasket 6 forms a space between the first electrode 31 and the ion exchange membrane 32. Further, the ion exchange membrane 32 is connected to the mounting shell 20 and abuts on the support block 4, forming the electrolysis cavity 23 between the first electrode 31 and the ion exchange membrane 32, and the support block 4 can locally support the ion exchange membrane 32.

[0036] In order to improve the yield of anode and cathode products, in an embodiment, the surface of the mounting shell 20 has at least two mounting surfaces 41, and each mounting surface 41 is provided with an electrolysis unit. For example, the mounting shell 20 is cylindrical, the mounting shell 20 has two mounting surfaces 41, and one mounting surface 41 is provided with an electrolysis unit. For another example, the mounting shell 20 is cuboid, the mounting shell 20 has four mounting surfaces 41, and one mounting surface 41 is provided with an electrolysis unit. The number of mounting surfaces 41 can be determined according to actual conditions, and in the present embodiment, they are not enumerated one by one.

[0037] In order to improve the electrolysis efficiency, in an embodiment, as shown in the figure, Figure 2 The second electrode 33 is provided with a plurality of through holes 39, which can effectively increase the effective reaction area of the electrode, and the water in the cavity 10 can contact the ion exchange membrane 32 through the through holes 39 of the second electrode 33, so that the ion exchange membrane 32 is subjected to water.

[0038] It should be understood that the first electrode 31 and the second electrode 33 are connected to a power supply, the first electrode 31 is electrically connected to the positive or negative electrode of the power supply, the second electrode 33 is electrically connected to the negative or positive electrode of the power supply, the polarity of the first electrode 31 and the second electrode 33 is opposite, so that the electrolysis reaction produces electrode products.

[0039] In an embodiment, the mounting shell 20 has an electrical connection cavity, the first electrode 31 is connected to the first end of an electrical connection sheet 51, the second end of the electrical connection sheet 51 extends to the electrical connection cavity, further, the electrical connection cavity is provided with an electrical connection column 52, the electrical connection sheet 51 is connected to the electrical connection column 52, and the electrical connection column 52 extends out of the mounting shell 20 and is arranged outside the cavity 10. The first electrode 31 is connected to the electrical connection column 52 in the electrical connection cavity through the electrical connection sheet 51, and is connected to an external power supply through the electrical connection column 52, so that the external power supply can supply power to the first electrode 31.

[0040] In one embodiment, the installation housing 20 has a power connection cavity, the second electrode 33 is connected with the first end of the power connection sheet 51, the second end of the power connection sheet 51 extends to the power connection cavity, further, the power connection cavity is provided with a power connection column 52, the power connection sheet 51 is connected with the power connection column 52, and the power connection column 52 extends out of the installation housing 20 and is arranged outside the container cavity 10, wherein the second electrode 33 is connected to the power connection column 52 in the power connection cavity through the power connection sheet 51, and is connected to the external power supply through the power connection column 52, so that the external power supply can supply power to the second electrode 33.

[0041] In order to improve the yield of anode and cathode products, in one embodiment, the number of electrolysis modules 2 is multiple, and the electrolysis modules 2 are conveniently installed in the outer housing 1 for stacking, and the number of assemblies is efficiently and conveniently selected, so as to realize the yield control of the products.

[0042] It should be understood that, in order to ensure sealing, for example, sealing materials are arranged between the installation housing 20 and the outer housing 1, for example, sealing materials are arranged at the connection between the power connection sheet 51 and the first electrode 31 / second electrode 33, and for example, sealing materials are arranged in the power connection cavity, in the structure of the present application, sealing materials are arranged at positions that need to ensure sealing, and in the embodiment, they are not enumerated one by one.

[0043] In one embodiment, the outer housing 1 and the water outlet end 22 of the installation housing 20 are both connected with a gas-liquid separation assembly. The generated anode / cathode products (such as hydrogen / oxygen) enter the gas-liquid separation assembly, the water-gas mixture can be separated into water and gas, so as to extract the required gas product.

[0044] In one embodiment, the electrode material of the first electrode 31 and / or the second electrode 33 is one of conductive silicon, conductive diamond, or titanium, platinum, lead, tantalum, iridium, palladium, antimony, or an oxide thereof, and for example, the first electrode 31 and / or the second electrode 33 can also be other conductive materials. The first electrode 31 and the second electrode 33 can be the same material.

[0045] In one embodiment, the electrolysis device for separating the electrode chamber is a hydrogen / oxygen preparation electrolysis tank, in which oxygen is generated at the anode and hydrogen is generated at the cathode, and the separated hydrogen / oxygen products can be extracted by separating the anode and cathode chambers.

[0046] Further, since the hydrogen yield is greater than the oxygen yield in the electrolysis reaction, in one embodiment, the first electrode 31 is an anode, and the second electrode 33 is a cathode, oxygen is generated by electrolysis on the anode side, and hydrogen is generated by electrolysis on the cathode side, and the container cavity 10 can be configured to have a volume suitable for hydrogen production.

[0047] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as within the scope of the present disclosure.

[0048] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it shall not be understood as a limitation on the scope of the present application patent. It should be pointed out that, for ordinary skilled persons in the art, under the premise of not departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent shall be subject to the appended claims.

Claims

1. An electrolytic device with compartmentalized electrodes, characterized in that, The electrolysis module comprises a mounting shell and an electrolysis unit, the electrolysis unit is mounted on the mounting shell, and the electrolysis unit comprises a first electrode, an ion exchange film and a second electrode. The ion exchange film is connected with the mounting shell to form a closed electrolysis cavity, the first electrode is arranged in the electrolysis cavity, and the second electrode is arranged on the side of the ion exchange film away from the first electrode. The mounting shell is formed with a water inlet end and a water outlet end, the water inlet end is communicated to the electrolysis cavity, and the electrolysis cavity is communicated to the water outlet end. The mounting shell has a mounting surface, and the first electrode is mounted on the mounting surface. The mounting surface is provided with a gasket, the gasket is arranged between the first electrode and the ion exchange film, the ion exchange film is connected with the gasket to form the electrolysis cavity between the first electrode and the ion exchange film.

2. The polar cell isolation electrolytic device of claim 1, wherein, The surface of the gasket is provided with an encapsulation sheet, and the ion exchange film is mounted on the encapsulation sheet.

3. The polar cell isolation electrolytic device of claim 2, wherein, The mounting surface is provided with a support block, and the first electrode is arranged away from the support block so that the support block protrudes from the surface of the first electrode.

4. The polar cell isolation electrolytic device of claim 3, wherein, The ion exchange film is connected with the mounting shell and abuts on the support block to form the electrolysis cavity between the first electrode and the ion exchange film.

5. The polar cell isolation electrolytic device of claim 2, wherein, The surface of the mounting shell has at least two mounting surfaces, and each mounting surface is provided with one electrolysis unit.

6. The polar cell isolation electrolytic device of claim 5, wherein, The second electrode is provided with a plurality of through holes.

7. The polar cell isolation electrolytic device of claim 2, wherein, The mounting shell has an electricity connection cavity, the first electrode is connected with a first end of an electricity connection sheet, and a second end of the electricity connection sheet extends to the electricity connection cavity.

8. The polar cell isolation electrolytic device of claim 1, wherein, The electricity connection cavity is provided with an electricity connection column, the electricity connection sheet is connected with the electricity connection column, and the electricity connection column extends out of the mounting shell and is arranged outside the cavity.

9. The polar cell isolation electrolytic device of claim 1, wherein, The number of the electrolysis modules is multiple.

10. The polar cell isolation electrolytic device of claim 9, wherein, The electrode material of the first electrode and / or the second electrode is one of conductive silicon, conductive diamond, titanium, platinum, lead, tantalum, iridium, palladium, antimony or an oxide thereof.

11. The polar cell isolation electrolytic device of claim 1, wherein, ​ 12. The polar cell isolation electrolytic device of claim 1, wherein, ​

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