CN111118536B - Electrolysis chamber suitable for middle and edge gas outlet and electrolysis tank thereof - Google Patents
Electrolysis chamber suitable for middle and edge gas outlet and electrolysis tank thereof Download PDFInfo
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- CN111118536B CN111118536B CN202010067506.XA CN202010067506A CN111118536B CN 111118536 B CN111118536 B CN 111118536B CN 202010067506 A CN202010067506 A CN 202010067506A CN 111118536 B CN111118536 B CN 111118536B
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 87
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000001257 hydrogen Substances 0.000 claims abstract description 89
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 89
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000001301 oxygen Substances 0.000 claims abstract description 76
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 76
- 239000003792 electrolyte Substances 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 21
- 125000006850 spacer group Chemical group 0.000 claims description 77
- 238000007789 sealing Methods 0.000 claims description 30
- 239000012528 membrane Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1007—Fuel cells with solid electrolytes with both reactants being gaseous or vaporised
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Chemical & Material Sciences (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to an electrolysis chamber suitable for middle and edge air outlet, which comprises an outer electrolysis chamber and an inner electrolysis chamber, wherein the middle part of the outer electrolysis chamber is provided with a mounting hole, and the inner electrolysis chamber is embedded in the mounting hole of the outer electrolysis chamber; a plurality of liquid inlets are arranged between the inner electrolytic chamber and the outer electrolytic chamber; a first oxygen outlet hole and a first hydrogen outlet hole are formed in the middle of the inner electrolysis chamber; the edge of the outer electrolytic chamber is provided with a plurality of second oxygen outlet holes and second hydrogen outlet holes, which are suitable for respectively outputting oxygen and hydrogen generated in the outer electrolytic chamber. An electrolytic tank adopts the electrolytic chambers suitable for middle and edge air outlet, and a plurality of electrolytic chambers are mutually overlapped and combined; the flowing distance of the electrolyte in each electrolysis chamber is shortened, so that the electrolyte can efficiently transfer mass in the inner electrolysis chamber and the outer electrolysis chamber, and the electrolysis tank is used for preparing gas (oxygen and hydrogen) so as to improve the yield of the gas.
Description
Technical Field
The invention relates to an electrolysis chamber suitable for middle and edge gas outlet and an electrolysis tank thereof.
Background
The electrolytic tank is formed by stacking and combining a plurality of electrolytic chambers, an ionic membrane is arranged in a single electrolytic chamber so as to divide the electrolytic chamber into a cathode chamber and an anode chamber, a cathode plate is arranged in the cathode chamber, an anode plate is arranged in the anode chamber, electrolyte enters the electrolytic chamber, water electrolysis is divided into hydrogen and oxygen, oxygen produced in the anode chamber is output from an oxygen outlet, and hydrogen produced in the cathode chamber is output from a hydrogen outlet.
One known structure of an electrolytic cell, the so-called filter press structure, is disclosed by US4758322, which lists a patent. A large number of bipolar batteries are stacked in series and commonly disposed between two end plates connected to each other by tie rods. Each of the bipolar batteries includes an anode chamber and a cathode chamber separated by a separator or membrane. In turn, each cell is separated from the next by a conductive wall, a so-called bipolar plate having opposite polarity on both surfaces. The stack is placed together by end plates that form the end connections of the anode (+) and cathode (-) of the stack. The end plates are forced toward each other by tie rods which are electrically insulated to avoid shorting of the cells. A liquid electrolyte is added to the cell and the resulting gas is collected from the cell.
The problems of the current electrolytic cells are: the flow path of the electrolyte in the electrolytic chamber is long, and the electrolyte cannot carry out high-efficiency mass transfer; the reason is that: when the electrolyte just enters the electrolyte chamber, the mass transfer efficiency is highest, the most hydrogen and oxygen can be produced, and as the flowing distance of the electrolyte increases, the partial pressure of the gas electrolyzed by the electrode plate increases in the electrolyte, so that the diffusion gradient of the gas on the electrode to the electrolyte is reduced, the diffusion speed or the mass transfer speed is reduced, and the adverse electrolytic reaction occurs; the diameter of the traditional round electrolysis chamber reaches 2-3 meters, electrolyte enters from the bottom of the electrolysis chamber, and along with the electrolytic reaction, generated hydrogen, oxygen and gas are discharged from a top gas outlet channel together with a mixture of the electrolyte, and the flowing path of the electrolyte in the electrolysis chamber is the diameter length of the electrolysis chamber.
Disclosure of Invention
The invention aims to solve the technical problems that: the utility model overcomes the defects of the prior art, and provides an electrolysis chamber and an electrolysis tank thereof which are suitable for middle and edge gas outlet, so as to solve the problems of unreasonable electrolyte circulation mode and low electrolyte mass transfer efficiency in the past, thereby influencing the preparation of gas by the electrolysis tank.
The technical scheme adopted for solving the technical problems is as follows: the electrolysis chamber suitable for middle and edge air outlet comprises an outer electrolysis chamber and an inner electrolysis chamber, wherein the middle part of the outer electrolysis chamber is provided with a mounting hole, and the inner electrolysis chamber is embedded in the mounting hole of the outer electrolysis chamber;
A plurality of liquid inlets are arranged between the inner electrolytic chamber and the outer electrolytic chamber and are suitable for inputting electrolyte into the inner electrolytic chamber and the outer electrolytic chamber;
the middle part of the inner electrolysis chamber is provided with a first oxygen outlet and a first hydrogen outlet which are suitable for respectively outputting oxygen and hydrogen generated in the inner electrolysis chamber;
the edge of the outer electrolytic chamber is provided with a plurality of second oxygen outlet holes and second hydrogen outlet holes, which are suitable for respectively outputting oxygen and hydrogen generated in the outer electrolytic chamber.
Further, the sealing device comprises two spacer ring assemblies, an outer sealing piece, a middle sealing piece and an inner sealing piece;
The spacer ring assembly comprises an outer spacer ring, a middle spacer ring, an inner spacer ring, an outer spacer plate and an inner spacer plate, wherein the outer spacer plate is fixedly arranged between the outer spacer ring and the middle spacer ring, and the inner spacer plate is fixedly arranged between the middle spacer ring and the inner spacer ring;
the two outer spacers clamp the outer sealing element, the two middle spacers clamp the middle sealing element and the two inner spacers clamp the inner sealing element, so that an outer electrolysis chamber is formed between the two outer partition plates, and an inner electrolysis chamber is formed between the two inner partition plates;
The middle sealing piece is provided with a liquid inlet through hole so as to be communicated with the liquid inlet holes on the adjacent middle sealing piece;
the inner spacer ring is provided with at least one first oxygen outlet hole and at least one first hydrogen outlet hole, the inner sealing piece is provided with at least one first oxygen through hole so as to be communicated with the first oxygen outlet holes on the adjacent inner spacer ring, and at least one first hydrogen through hole so as to be communicated with the first hydrogen outlet holes on the adjacent inner spacer ring;
the outer spacer ring is provided with at least one second oxygen outlet hole and at least one second hydrogen outlet hole, the outer sealing piece is provided with at least one second oxygen through hole so as to be communicated with the second oxygen outlet holes on the adjacent outer spacer ring, and at least one second hydrogen through hole so as to be communicated with the second hydrogen outlet holes on the adjacent outer spacer ring.
In another aspect, an electrolytic cell, adopting the electrolytic chamber suitable for middle and edge air outlet,
Stacking and combining a plurality of electrolysis chambers;
Each liquid inlet hole forms a liquid inlet channel;
each first oxygen outlet hole is communicated in one-to-one correspondence and forms a first oxygen output channel;
Each first hydrogen outlet hole is communicated in one-to-one correspondence and forms a first hydrogen output channel;
each second oxygen outlet hole is communicated in one-to-one correspondence and forms a second oxygen output channel;
the second hydrogen outlet holes are communicated in one-to-one correspondence and form a second hydrogen output channel.
Further, the method is applied to hydrogen production by water electrolysis.
Further, the method is applied to hydrogen production by chlor-alkali electrolysis.
Further, the method is applied to the hydrogen fuel cell.
The beneficial effects of the invention are as follows:
The utility model provides an electrolyte room and electrolysis trough that is suitable for middle part, edge to give vent to anger, divide into inside and outside two electrolysis rooms with the electrolysis room, inlay in the outer electrolysis room in the interior electrolysis room, after electrolyte is imported from between two electrolysis rooms, the electrolyte of interior electrolysis room flows to the middle part, the electrolyte of outer electrolysis room flows to the edge, the flow distance of electrolyte shortens in every electrolysis room, thereby can make the electrolyte can high-efficient inside and outside two electrolysis rooms mass transfer, with this electrolysis trough is used for preparing gas (oxygen and hydrogen), can promote the output of gas.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of an electrolytic cell of the present invention;
FIG. 2 is a schematic view of an electrolysis chamber (with the outer and inner separator plates removed);
FIG. 3 is a semi-sectional view of the outer electrolyte chamber hydrogen outlet;
FIG. 4 is a schematic view of a second hydrogen gas outlet of the outer spacer;
FIG. 5 is a schematic view of the inlet orifice on the septum;
FIG. 6 is a schematic view of an inner spacer;
FIG. 7 is a schematic view of an electrolytic cell;
Wherein, 1, outer spacer ring, 2, well spacer ring, 3, interior spacer ring, 41, outer sealing member, 42, well sealing member, 43, interior sealing member, 5, radial intercommunication mouth, 11, second oxygen outlet hole, 12, second hydrogen outlet hole, 21, feed liquor hole, 31, first oxygen outlet hole, 32, first hydrogen outlet hole, 61, outer baffle, 62, interior baffle, 7, ion membrane.
Detailed Description
The invention will now be further described with reference to specific examples. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
Example 1
As shown in fig. 1 to 6, an electrolysis chamber suitable for middle and edge gas outlet comprises an outer electrolysis chamber and an inner electrolysis chamber, wherein a mounting hole is formed in the middle of the outer electrolysis chamber, and the inner electrolysis chamber is embedded in the mounting hole of the outer electrolysis chamber; a plurality of liquid inlets 21 are arranged between the inner electrolytic chamber and the outer electrolytic chamber and are suitable for inputting electrolyte into the inner electrolytic chamber and the outer electrolytic chamber;
The middle part of the inner electrolysis chamber is provided with a first oxygen outlet hole 31 and a first hydrogen outlet hole 32 which are suitable for respectively outputting oxygen and hydrogen generated in the inner electrolysis chamber; the edge of the outer electrolytic chamber is provided with a plurality of second oxygen outlet holes 11 and second hydrogen outlet holes 12 which are suitable for respectively outputting oxygen and hydrogen generated in the outer electrolytic chamber.
Specifically, two spacer ring assemblies, an outer seal 41, a middle seal 42, and an inner seal 43;
the spacer ring assembly comprises an outer spacer ring 1, a middle spacer ring 2, an inner spacer ring 3, an outer spacer plate 61 and an inner spacer plate 62, wherein the outer spacer plate 61 is fixedly arranged between the outer spacer ring 1 and the middle spacer ring 2, and the inner spacer plate 62 is fixedly arranged between the middle spacer ring 2 and the inner spacer ring 3;
the two outer spacers 1 clamp the outer sealing member 41, the two middle spacers 2 clamp the middle sealing member 42, and the two inner spacers 3 clamp the inner sealing member 43, so that the outer electrolytic chamber is formed between the two outer partition plates 61, and the inner electrolytic chamber is formed between the two inner partition plates 62;
The middle spacing ring 2 is provided with a plurality of liquid inlet holes 21, as shown in fig. 5, the liquid inlet holes 21 are communicated with the inner electrolysis chamber and the outer electrolysis chamber, and the middle sealing piece 42 is provided with liquid inlet through holes so as to be communicated with the liquid inlet holes 21 on the adjacent middle spacing ring 2;
As shown in fig. 6, the inner spacer ring 3 is provided with a first oxygen outlet hole 31 and a first hydrogen outlet hole 32, the inner sealing member 43 is provided with a first oxygen through hole to communicate with the first oxygen outlet hole 31 on the adjacent inner spacer ring 3, and a first hydrogen through hole to communicate with the first hydrogen outlet hole 32 on the adjacent inner spacer ring 3.
As shown in fig. 4, the outer spacer 1 is provided with a plurality of second oxygen outlet holes 11 and a plurality of second hydrogen outlet holes 12, and the outer sealing member 41 is provided with a corresponding number of second oxygen through holes to communicate with the second oxygen outlet holes 11 on the adjacent outer spacer, and a corresponding number of second hydrogen through holes to communicate with the second hydrogen outlet holes 12 on the adjacent outer spacer.
The internal structure of the inner electrolytic chamber and the outer electrolytic chamber is the same as the structure principle of the existing electrolytic chamber;
In this embodiment, optionally, an ion membrane 7 is disposed in the electrolysis chamber, the ion membrane 7 separates the electrolysis chamber into a cathode chamber and an anode chamber, a cathode plate is disposed in the cathode chamber, an anode plate is disposed in the anode chamber, oxygen is produced in the anode chamber, the produced oxygen (with part of electrolyte) is discharged from the oxygen outlet, and produced hydrogen (with part of electrolyte) is discharged from the hydrogen outlet.
In the embodiment, the cathode plate and the anode plate are made of nickel silk screen;
preferably, a supporting frame and a supporting net are further arranged between the cathode plate and the separator and used for supporting the cathode plate, the supporting frame is provided with a diversion trench which is suitable for diversion of electrolyte, and the supporting frame and the supporting net are also arranged between the anode plate and the separator and are also suitable for supporting the anode plate and diversion of electrolyte.
As shown in fig. 3, a semi-sectional view of the first hydrogen outlet 32 of the outer electrolytic chamber is selected, an ion membrane 7 is arranged in the electrolytic chamber, an anode chamber is formed between the ion membrane 7 and the left outer partition 61, a cathode chamber is formed between the ion membrane 7 and the right outer partition 61, and a radial communication port 5 of a second hydrogen hole on the right outer partition is communicated with the cathode chamber, so that hydrogen (entrained part of electrolyte) generated in the cathode chamber can be input into the first hydrogen outlet 32 from the radial communication port 5 and then output outwards together; the oxygen generated in the anode chamber on the left side is communicated through the radial communication port 5 on the second oxygen outlet hole 11.
The end face of one side of each oxygen outlet hole and each hydrogen outlet hole on each outer spacer ring is provided with a radial communication port 5, and the radial communication ports 5 on the outer spacer rings are used for communicating the outer electrolytic chamber;
the end surfaces of the two sides of the liquid inlet 21 on the middle spacing ring 2 are also respectively provided with a radial communication port 5, and the radial communication port 5 on the middle spacing ring 2 is used for communicating the inner electrolytic chamber and the outer electrolytic chamber at the two sides;
the end face of one side of the oxygen outlet hole and the hydrogen outlet hole on the inner spacer ring 3 is provided with a radial communication port 5, and the radial communication port 5 on the inner spacer ring 3 is used for communicating an inner electrolysis chamber;
in operation, electrolyte is fed into the inner electrolyte chamber and the outer electrolyte chamber from the liquid inlet 21, the electrolyte in the outer electrolyte chamber flows from the inner side edge, oxygen (and part of the electrolyte) generated in the outer electrolyte chamber is discharged from the second oxygen outlet 11, and generated hydrogen (and part of the electrolyte) is discharged from the second hydrogen outlet 12; the electrolyte in the inner electrolyte chamber flows from the outside to the middle, oxygen gas (and part of the electrolyte) generated in the inner electrolyte chamber is discharged from the first oxygen gas outlet hole 31, and generated hydrogen gas (and part of the electrolyte) is discharged from the first hydrogen gas outlet hole 32.
The electrolytic chamber is divided into an inner electrolytic chamber and an outer electrolytic chamber, the inner electrolytic chamber is embedded in the outer electrolytic chamber, after electrolyte is input from the space between the two electrolytic chambers, the electrolyte in the inner electrolytic chamber flows to the middle part, the electrolyte in the outer electrolytic chamber flows to the edge, and the flowing distance of the electrolyte in each electrolytic chamber is shortened, so that the electrolyte can efficiently transfer mass in the inner electrolytic chamber and the outer electrolytic chamber, and the electrolytic tank is used for preparing gas (oxygen and hydrogen) and can improve the yield of the gas.
Example two
As shown in fig. 7, an electrolytic cell, employing the electrolytic cell described above adapted for mid-and edge-gassing,
Stacking and combining a plurality of electrolysis chambers;
The middle space rings 2 and the middle sealing pieces 42 are overlapped and combined so that the liquid inlet holes 21 form a liquid inlet channel; the inner spacers 3 and the inner sealing elements 43 are overlapped and combined so that the first oxygen outlet holes 31 are communicated in one-to-one correspondence and form a first oxygen output channel; so that the first hydrogen outlet holes 32 are communicated in one-to-one correspondence and form a first hydrogen output channel;
the outer spacers and the outer sealing members 41 are overlapped and combined so that the second oxygen outlet holes 11 are communicated in one-to-one correspondence and form a second oxygen output channel; the second hydrogen outlet holes 12 are communicated in one-to-one correspondence and form a second hydrogen output channel.
The manner in which the various electrolysis cells are stacked together is known in the art and will not be described in detail herein.
When the electrolytic tank is applied to water electrolysis hydrogen production, electrolyte is input into an electrolytic chamber from a liquid inlet in the middle for reaction, hydrogen and oxygen are separated, the hydrogen and part of electrolyte are discharged from a hydrogen outlet, a mixture of the hydrogen and the electrolyte is separated by a gas-liquid separator, and the separated hydrogen is filled for use; and discharging oxygen and part of electrolyte from an oxygen output port, separating the oxygen and electrolyte mixture by a gas-liquid separator, and filling the separated oxygen for use.
The electrolytic tank of the embodiment is applied to hydrogen production by chlor-alkali electrolysis, and the corresponding oxygen is changed into chlorine.
The electrolytic cell of the present embodiment may also be applied to a hydrogen fuel cell; when the electrolytic tank is used as a hydrogen fuel cell, the operation flow of the electrolytic tank is opposite, when the electrolytic tank is used as a hydrogen production tool, electricity is generated by consuming electricity, and when the electrolytic tank is used as a hydrogen fuel cell, electricity is generated by consuming electricity (hydrogen and oxygen).
In the use process of the electrolyzer as a hydrogen fuel cell, inputting hydrogen and oxygen from a hydrogen output port and an oxygen output port, enabling gas to flow from the edge of the electrolyzer to the center, and generating electric output by a cathode rod and an anode rod of the electrolyzer to form electric current; the gas in the electrolysis chamber, along with the gas passing through the electrode surface, the gas concentration becomes smaller, so that the diffusion gradient of the electrolyte to the electrode surface becomes smaller, the mass transfer (the mass transfer speed becomes slower) is unfavorable, the electrode reaction is unfavorable, and the power generation efficiency is improved.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. The electrolysis chamber is characterized by comprising an outer electrolysis chamber and an inner electrolysis chamber, wherein the middle part of the outer electrolysis chamber is provided with a mounting hole, and the inner electrolysis chamber is embedded in the mounting hole of the outer electrolysis chamber;
A plurality of liquid inlets are arranged between the inner electrolytic chamber and the outer electrolytic chamber and are suitable for inputting electrolyte into the inner electrolytic chamber and the outer electrolytic chamber;
the middle part of the inner electrolysis chamber is provided with a first oxygen outlet and a first hydrogen outlet which are suitable for respectively outputting oxygen and hydrogen generated in the inner electrolysis chamber;
The edge of the outer electrolytic chamber is provided with a plurality of second oxygen outlet holes and second hydrogen outlet holes, which are suitable for respectively outputting oxygen and hydrogen generated in the outer electrolytic chamber;
The electrolytic chamber comprises
Two spacer ring assemblies, an outer seal, a middle seal, and an inner seal;
The spacer ring assembly comprises an outer spacer ring, a middle spacer ring, an inner spacer ring, an outer spacer plate and an inner spacer plate, wherein the outer spacer plate is fixedly arranged between the outer spacer ring and the middle spacer ring, and the inner spacer plate is fixedly arranged between the middle spacer ring and the inner spacer ring;
the two outer spacers clamp the outer sealing element, the two middle spacers clamp the middle sealing element and the two inner spacers clamp the inner sealing element, so that an outer electrolysis chamber is formed between the two outer partition plates, and an inner electrolysis chamber is formed between the two inner partition plates;
The middle sealing piece is provided with a liquid inlet through hole so as to be communicated with the liquid inlet holes on the adjacent middle sealing piece;
the inner spacer ring is provided with at least one first oxygen outlet hole and at least one first hydrogen outlet hole, the inner sealing piece is provided with at least one first oxygen through hole so as to be communicated with the first oxygen outlet holes on the adjacent inner spacer ring, and at least one first hydrogen through hole so as to be communicated with the first hydrogen outlet holes on the adjacent inner spacer ring;
The outer spacer ring is provided with at least one second oxygen outlet hole and at least one second hydrogen outlet hole, the outer sealing piece is provided with at least one second oxygen through hole so as to be communicated with the second oxygen outlet holes on the adjacent outer spacer ring, and at least one second hydrogen through hole so as to be communicated with the second hydrogen outlet holes on the adjacent outer spacer ring;
The inner electrolysis chamber and the outer electrolysis chamber are internally provided with ion membranes, the ion membranes divide the inner electrolysis chamber and the outer electrolysis chamber into a cathode chamber and an anode chamber, a cathode plate is arranged in the cathode chamber, an anode plate is arranged in the anode chamber, the anode chamber generates oxygen, the generated oxygen is discharged from an oxygen outlet, and the generated hydrogen is discharged from a hydrogen outlet.
2. An electrolytic cell, characterized in that the electrolytic cell suitable for middle and edge gas outlet is adopted according to claim 1,
Stacking and combining a plurality of electrolysis chambers;
Each liquid inlet hole forms a liquid inlet channel;
each first oxygen outlet hole is communicated in one-to-one correspondence and forms a first oxygen output channel;
Each first hydrogen outlet hole is communicated in one-to-one correspondence and forms a first hydrogen output channel;
each second oxygen outlet hole is communicated in one-to-one correspondence and forms a second oxygen output channel;
the second hydrogen outlet holes are communicated in one-to-one correspondence and form a second hydrogen output channel.
3. An electrolysis cell according to claim 2, wherein it is used for the production of hydrogen by electrolysis of water.
4. The electrolyzer of claim 2 characterized in that it is applied to chlor-alkali electrolysis for hydrogen production.
5. An electrolysis cell according to claim 2, applied to a hydrogen fuel cell.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08239786A (en) * | 1995-03-01 | 1996-09-17 | Shinko Pantec Co Ltd | Hydrogen and oxygen generator |
| CN212357411U (en) * | 2020-01-20 | 2021-01-15 | 中科院大连化学物理研究所张家港产业技术研究院有限公司 | Electrolysis chamber suitable for middle and edge air outlet and electrolysis bath thereof |
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| EP1597414B1 (en) * | 2003-02-21 | 2011-04-06 | Avalence Llc | Electrolyzer apparatus and method for hydrogen production |
| CN100999824A (en) * | 2006-01-13 | 2007-07-18 | 高原 | Pressure type water electrolytic tank |
| KR101848292B1 (en) * | 2017-04-10 | 2018-04-12 | 주식회사 라이트브릿지 | High-area, porous-type channel-embedded electrochemical electrodes and stacked electrolysis system having the same |
| CN108193223B (en) * | 2018-02-11 | 2023-12-15 | 广东卓信环境科技股份有限公司 | Hypochlorite production system |
| CN110484928B (en) * | 2019-09-05 | 2020-11-20 | 青岛双瑞海洋环境工程股份有限公司 | Vertical sodium hypochlorite electrolytic cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08239786A (en) * | 1995-03-01 | 1996-09-17 | Shinko Pantec Co Ltd | Hydrogen and oxygen generator |
| CN212357411U (en) * | 2020-01-20 | 2021-01-15 | 中科院大连化学物理研究所张家港产业技术研究院有限公司 | Electrolysis chamber suitable for middle and edge air outlet and electrolysis bath thereof |
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