CN212404304U - Electrolyte distributing and converging structure of water electrolyzer - Google Patents
Electrolyte distributing and converging structure of water electrolyzer Download PDFInfo
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- CN212404304U CN212404304U CN202020863455.7U CN202020863455U CN212404304U CN 212404304 U CN212404304 U CN 212404304U CN 202020863455 U CN202020863455 U CN 202020863455U CN 212404304 U CN212404304 U CN 212404304U
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- 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
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Abstract
The utility model relates to an electrochemical equipment technical field discloses a water electrolysis trough electrolyte distribution, structure of converging, including positive plate and negative plate, positive plate and negative plate set up respectively at the both ends of electrolysis trough, and are in evenly be provided with bipolar plate in the middle of a plurality of in the electrolysis trough between positive plate and the negative plate, middle bipolar plate middle part runs through there is radial mouth the lower part of electrolysis trough is provided with the electrolysis liquid pipe the upper portion of electrolysis trough is provided with hydrogen pipe and oxygen hose respectively. The utility model discloses an electrolysis trough is established ties by the electrolysis room that a plurality of plate electrodes constitute, adopts the one end positive, the transmission of electricity mode of one end negative pole, and the electrolysis trough is realized the electrolyte evenly distributed and the gas that produces by the middle bipolar plate who has the distribution and the function of converging established at the middle part and collects the output, simultaneously, has also solved the electrolyte uneven distribution and the gas output resistance that large-scale electrolysis trough arouses because of the cell body overlength.
Description
Technical Field
The utility model relates to an electrochemical equipment technical field especially relates to a water electrolyser electrolyte distributes, structure converges.
Background
Hydrogen energy is an important component of clean energy, is in the rapid development period of industry, and a water electrolysis hydrogen production device adapted to the hydrogen energy is developing to be large-scale.
With the continuous popularization of hydrogen energy as clean energy, the large-scale hydrogen production of the water electrolysis cell has become a necessary trend, the large-scale water electrolysis cell inevitably increases the number of the electrolysis cells greatly, the more the number of the electrolysis cells increases, the longer the cell body of the electrolysis cell becomes, the worse the uniformity of a flow field in the electrolysis cell is caused, the temperature difference of each electrolysis cell increases, the resistance of the flowing of electrolyte increases, the running state of the electrolysis cell becomes worse, and the adverse factors influence the large-scale development of the water electrolysis cell and the hydrogen production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water electrolysis trough electrolyte distributes, the structure converges, the electrolysis trough is established ties by the electrolysis chamber that a plurality of plate electrodes constitute, adopt the one end positive pole, the transmission of electricity mode of one end negative pole, the electrolysis trough is realized electrolyte evenly distributed and the gas that produces and collects the advantage of output by the middle bipolar plate that has the distribution and the function of converging established at the middle part, the maximization of having solved the electrolysis trough has inevitable to increase electrolysis cell quantity by a wide margin, electrolysis cell's increase quantity is more, the electrolysis trough cell body is longer, arouse the homogeneity variation in the interior flow field of electrolysis trough, the temperature difference increase of each electrolysis chamber, the resistance increase that electrolyte flows, the problem of the running state variation of electrolysis trough.
According to the utility model discloses water electrolysis trough electrolyte distribution, structure of converging, including positive plate and negative plate, positive plate and negative plate set up respectively at the both ends of electrolysis trough, just be in evenly be provided with bipolar plate in the middle of a plurality of in the electrolysis trough between positive plate and the negative plate, middle bipolar plate middle part is run through there is radial mouth the lower part of electrolysis trough is provided with the electrolyte pipe the upper portion of electrolysis trough is provided with hydrogen pipe and oxygen hose respectively.
Further, the middle bipolar plate comprises a negative plate and a positive plate, the negative plate is opposite to the positive plate, the positive plate is opposite to the negative plate, and the middle parts of the negative plate and the positive plate are isolated through an insulating sheet.
Furthermore, a left pressing plate is fixed on two sides of the lower portion of the negative plate, and the left pressing plate is made of insulating materials.
Furthermore, a right pressing plate is fixed on two sides of the lower portion of the positive plate, and the right pressing plate is made of an insulating material.
Furthermore, the electrolyte tube is distributed in a rectangular shape inside the electrolytic cell, and a first liquid inlet and a second liquid inlet are respectively arranged in the middle parts of two sides of the electrolyte tube.
Furthermore, the electrolyte entering from the first liquid inlet and the second liquid inlet flows into the electrolytic cell from the electrolyte tube to the liquid outlet in the middle of the adjacent edge.
Furthermore, the hydrogen pipe and the oxygen pipe are provided with a plurality of pipes, and the plurality of pipes are arranged in parallel.
Furthermore, a negative plate inlet is formed in the negative plate of the hydrogen pipe, and a negative plate inlet is formed in the negative plate.
Furthermore, the oxygen pipe is provided with a positive plate inlet on the positive plate, and the positive plate is provided with a positive plate inlet.
Furthermore, the upper sides of the middle parts of the hydrogen pipe and the oxygen pipe are respectively provided with a hydrogen outlet and an oxygen outlet, and the hydrogen outlet and the oxygen outlet are respectively communicated with the plurality of hydrogen pipes and the plurality of oxygen pipes.
Compared with the prior art, the utility model beneficial effect who has is:
1. the middle part of the middle bipolar plate is provided with a radial port, so that an electrolyte distribution chamber is formed, after the electrolyte enters the middle bipolar plate, the electrolyte is filled in the chamber firstly, the electrolyte is distributed to each electrolytic chamber at two sides of the electrolytic tank from a flow channel at the bottom of the electrolytic tank through the radial port, the electrolyte entering the electrolytic chambers is subjected to electrolytic reaction under the action of direct current to generate hydrogen and oxygen, the hydrogen generated on the negative plate and the negative plate is introduced into a hydrogen pipe through a negative plate inlet and flows out from a hydrogen outlet, the oxygen generated on the positive plate and the positive plate is introduced into an oxygen pipe through a positive plate inlet and flows out from an oxygen outlet, and the water electrolysis efficiency is improved;
2. the water electrolyzer is formed by connecting electrolytic chambers consisting of a plurality of electrode plates in series, adopts a power transmission mode of one end positive electrode and one end negative electrode, realizes uniform distribution of electrolyte and collection and output of generated gas by a middle bipolar plate with distribution and confluence functions arranged in the middle of the electrolyzer, and solves the problems of uneven distribution of electrolyte and gas output resistance of a large water electrolyzer caused by overlong electrolyzer body.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an electrolyte distributing and converging structure of a water electrolyzer according to the present invention;
fig. 2 is a schematic structural view of a middle bipolar plate in an electrolyte distributing and converging structure of a water electrolyzer.
In the figure: the device comprises an electrolytic bath 1, a left pressing plate 2, a right pressing plate 3, a negative plate 4, a positive plate 5, a positive plate 6, a middle bipolar plate 7, a radial port 8, a negative plate 9, a positive plate 10, an insulating plate 11, an electrolyte tube 11, a first liquid inlet 12, a second liquid inlet 13, a hydrogen tube 14, a negative plate inlet 15, a negative plate inlet 16, a hydrogen outlet 17, an oxygen tube 18, a positive plate inlet 19, a positive plate inlet 20 and an oxygen outlet 21.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Example 1
Referring to fig. 1-2, in order to provide a preferred embodiment of the present invention, a middle bipolar plate 6 is provided in the middle of the electrolytic cell 1.
The utility model provides a water electrolysis trough electrolyte distribution, structure of converging, including positive plate 5 and negative plate 4, positive plate 5 sets up the both ends at electrolysis trough 1 respectively with negative plate 4, and evenly be provided with bipolar plate 6 in the middle of a plurality of in 1 between positive plate 5 and negative plate 6, it has radial mouth 7 to run through in the middle part of middle bipolar plate 6, be provided with electrolyte tube 11 in electrolysis trough 1's lower part, upper portion at electrolysis trough 1 is provided with hydrogen pipe 14 and oxygen hose 18 respectively, electrolyte tube 11 realizes the input of electrolyte, hydrogen that bipolar plate 6 and negative plate 4 produced in the middle of hydrogen pipe 14 carries, bipolar plate 6 and the produced oxygen of positive plate 5 in the middle of oxygen hose 18 carries, thereby realize the high-efficient output of hydrogen and oxygen.
In this embodiment, the middle bipolar plate 6 includes a negative plate 8 and a positive plate 9, the negative plate 8 faces the positive plate 5, the positive plate 9 faces the negative plate 4, the negative plate 8 is isolated from the middle of the positive plate 9 by an insulating sheet 10, and the insulating sheet 10 plays a role in isolation, so that the negative plate 8 and the positive plate 9 are not directly short-circuited when being powered on, and then point and transportation are performed through the electrolyte.
In this embodiment, the lower part both sides of negative plate 4 are fixed with left clamp plate 2, and left clamp plate 2 adopts insulating material to make, and the lower part both sides of positive plate 5 are fixed with right clamp plate 3, and right clamp plate 3 adopts insulating material to make, and left clamp plate 2 plays the effect of supporting positive plate 5 and negative plate 4 with right clamp plate 3.
In the embodiment, the electrolyte tube 11 is distributed in a rectangular shape inside the electrolytic cell 1, and a first inlet 12 and a second inlet 13 are respectively disposed in the middle of two sides of the electrolyte tube 11.
In this embodiment, the electrolyte entering from the first inlet 12 and the second inlet 13 flows into the electrolytic cell 1 through the electrolyte tube 11 to the liquid outlet in the middle of the adjacent side, and the liquid outlets are disposed at two sides of the middle bipolar plate 6.
In the present embodiment, the hydrogen pipes 14 and the oxygen pipes 18 are provided in plural, and the plural hydrogen pipes 14 and the oxygen pipes 18 are arranged in parallel, the negative electrode plate 8 of the hydrogen pipe 14 is provided with a negative electrode plate inlet 15, the negative electrode plate 4 is provided with a negative electrode plate inlet 16, the oxygen pipe 18 is provided with a positive electrode plate inlet 19, the positive electrode plate 9 of the oxygen pipe 18 is provided with a positive electrode plate inlet 20, and the gases generated by electrolysis all enter the hydrogen pipes 14 and the oxygen pipes 18 through the negative electrode plate inlet 15, the negative electrode plate inlet 16, the positive electrode plate inlet 19, and the positive electrode plate inlet 20.
In this embodiment, the hydrogen outlet 17 and the oxygen outlet 21 are respectively disposed at the upper sides of the middle portions of the hydrogen pipes 14 and the oxygen pipes 18, the hydrogen outlet 17 and the oxygen outlet 21 are respectively communicated with the plurality of hydrogen pipes 14 and the plurality of oxygen pipes 18, and the gases on the plurality of hydrogen pipes 14 and the plurality of oxygen pipes 18 all flow into the hydrogen outlet 17 and the oxygen outlet 21 and are finally discharged.
The advantages of the technical scheme are as follows: the water electrolyzer is formed by connecting electrolytic chambers consisting of a plurality of electrode plates in series, adopts a power transmission mode of one end positive electrode and one end negative electrode, and the electrolytic tank 1 realizes the uniform distribution of electrolyte and the collection and output of generated gas by a middle bipolar plate 6 which is arranged in the middle and has the functions of distribution and confluence, and simultaneously solves the problems of the large water electrolyzer, such as the nonuniform distribution of the electrolyte and the gas output resistance caused by overlong tank body.
When the technical scheme is used, the radial port 7 is arranged in the middle of the middle bipolar plate 6, so that an electrolyte distribution chamber is formed, after the electrolyte enters the middle bipolar plate 6, the electrolyte is filled in the chamber at first, the electrolyte is distributed to each electrolytic chamber on two sides of the electrolytic tank 1 from a flow channel at the bottom of the electrolytic tank through the radial port 7, the electrolyte entering the electrolytic chambers is subjected to electrolytic reaction under the action of direct current to generate hydrogen and oxygen, the hydrogen generated on the negative plate 8 and the negative plate 4 is introduced into the hydrogen pipe 14 through the negative plate inlet 15 and the negative plate inlet 16, and finally flows out from the hydrogen outlet 17, the oxygen generated on the positive plate 9 and the positive plate 5 is introduced into the oxygen pipe 19 through the positive plate inlet 19 and the positive plate inlet 20, and finally flows out from the oxygen outlet 21, so that the water electrolysis efficiency is increased.
In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.
Example 2
In this embodiment, the plurality of intermediate bipolar plates 6 are arranged in the following manner: the negative plate 8 of the last middle bipolar plate 6 faces the positive plate 9 of the next middle bipolar plate 6 and is sequentially arranged, and each middle bipolar plate 6 is connected with direct current, so that each two middle bipolar plates 6 can form an independent electrolytic chamber, and the rest technical schemes are the same as those in the embodiment 1.
The details of the present invention are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a water electrolysis trough electrolyte distribution, structure of converging which characterized in that: including positive plate and negative plate, positive plate and negative plate set up respectively at the both ends of electrolysis trough, and evenly be provided with bipolar plate in the middle of a plurality of in the electrolysis trough between positive plate and the negative plate, it has radial mouth to run through in the middle part of the bipolar plate the lower part of electrolysis trough is provided with the electrolyte pipe the upper portion of electrolysis trough is provided with hydrogen pipe and oxygen hose respectively.
2. The water electrolyzer electrolyte distributing and collecting structure as claimed in claim 1, characterized in that: the middle bipolar plate comprises a negative plate and a positive plate, the negative plate is opposite to the positive plate, the positive plate is opposite to the negative plate, and the negative plate is isolated from the middle of the positive plate through an insulating sheet.
3. The water electrolyzer electrolyte distributing and collecting structure as claimed in claim 2, characterized in that: and a left pressing plate is fixed on two sides of the lower part of the negative plate and is made of an insulating material.
4. A water electrolyser electrolyte distribution and collection arrangement as claimed in claim 3 wherein: and right pressing plates are fixed on two sides of the lower part of the positive plate and are made of insulating materials.
5. The water electrolyzer electrolyte distributing and collecting structure as claimed in claim 4, characterized in that: the electrolyte tube is distributed in a rectangular shape inside the electrolytic cell, and a first liquid inlet and a second liquid inlet are respectively arranged in the middle parts of two sides of the electrolyte tube.
6. The water electrolyzer electrolyte distributing and collecting structure as claimed in claim 5, characterized in that: the electrolyte entering from the first liquid inlet and the second liquid inlet flows into the electrolytic cell from the electrolyte tube to the liquid outlet in the middle of the adjacent side.
7. The water electrolyzer electrolyte distributing and collecting structure as claimed in claim 6, characterized in that: the hydrogen pipe and the oxygen pipe are both provided with a plurality of, and are a plurality of the hydrogen pipe and the oxygen pipe are parallel arrangement.
8. The water electrolyzer electrolyte distributing and collecting structure as claimed in claim 7, characterized in that: the hydrogen pipe is provided with a negative plate inlet on the negative plate, and the negative plate is provided with a negative plate inlet.
9. The water electrolyzer electrolyte distributing and collecting structure of claim 8 wherein: the oxygen hose is provided with a positive plate inlet on the positive plate, and the positive plate is provided with a positive plate inlet.
10. The water electrolyzer electrolyte distributing and collecting structure of claim 9 wherein: the upper sides of the middle parts of the hydrogen pipes and the oxygen pipes are respectively provided with a hydrogen outlet and an oxygen outlet, and the hydrogen outlet and the oxygen outlet are respectively communicated with the plurality of hydrogen pipes and the plurality of oxygen pipes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020863455.7U CN212404304U (en) | 2020-05-21 | 2020-05-21 | Electrolyte distributing and converging structure of water electrolyzer |
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| CN202020863455.7U CN212404304U (en) | 2020-05-21 | 2020-05-21 | Electrolyte distributing and converging structure of water electrolyzer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606524A (en) * | 2022-03-23 | 2022-06-10 | 扬州乐道能源科技有限公司 | Hydrogen production electrolytic tank capable of optimizing electrolyte distribution and distribution method |
| CN116377510A (en) * | 2023-06-05 | 2023-07-04 | 河南金心智能科技有限公司 | Electrolytic tank with electrolyte distribution and confluence structure |
| WO2024078362A1 (en) * | 2022-10-12 | 2024-04-18 | 无锡隆基氢能科技有限公司 | Bipolar plate and electrolytic cell |
-
2020
- 2020-05-21 CN CN202020863455.7U patent/CN212404304U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606524A (en) * | 2022-03-23 | 2022-06-10 | 扬州乐道能源科技有限公司 | Hydrogen production electrolytic tank capable of optimizing electrolyte distribution and distribution method |
| WO2024078362A1 (en) * | 2022-10-12 | 2024-04-18 | 无锡隆基氢能科技有限公司 | Bipolar plate and electrolytic cell |
| CN116377510A (en) * | 2023-06-05 | 2023-07-04 | 河南金心智能科技有限公司 | Electrolytic tank with electrolyte distribution and confluence structure |
| CN116377510B (en) * | 2023-06-05 | 2023-08-18 | 河南金心智能科技有限公司 | Electrolytic tank with electrolyte distribution and confluence structure |
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