Visual electrolytic cell

Abstract

The utility model discloses a visual electrolytic cell, and belongs to the technical field of electrolysis equipment. The visual electrolytic cell comprises a first observation piece, a first polar plate, a membrane electrode and a second polar plate which are sequentially arranged in a stacked mode. A first reaction runner is arranged on one side, facing the membrane electrode, of the first polar plate; a second reaction runner is arranged on one side, facing the membrane electrode, of the second polar plate; a first observation flow channel communicated with the first reaction flow channel is formed in one side, facing the first observation piece, of the first polar plate; the first observation piece is provided with a transparent first observation window facing the first observation flow channel. According to the technical scheme, the centrosymmetric flow field structures are arranged on the two sides, away from the membrane electrode, of the first polar plate and the second polar plate, the flow fields on the two sides of the polar plates are connected in the mode of penetrating through the middle positions of the polar plates, and the motion state of gas-liquid two-phase flow in the flow fields can be directly observed; and a flow field structure optimization thought is provided according to the movement form of the gas-liquid two-phase flow in the flow channel, so that the overall performance of the electrolytic cell is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of electrolysis equipment, and in particular relates to a visual electrolytic cell. Background Art

[0002] The dynamic state of the gas-liquid two-phase flow in an electrolytic cell significantly impacts its performance. The cell's chambers, or flow channels, are often clamped together, making direct observation difficult. Related technologies analyze the two-phase flow at the inlet and outlet. This indirect analysis method, coupled with the inability to independently test the state of each branch flow channel, complicates electrolytic cell design. Utility Model Content

[0003] This application aims to at least solve the technical problem of incomplete observation of the electrolysis process in the related art. To this end, this application proposes a visual electrolytic cell that can monitor the fluid flow and reaction conditions during the electrolysis process in an intuitive manner.

[0004] In a first aspect, the present application provides a visual electrolytic cell, comprising:

[0005] A first observation member, a first electrode plate, a membrane electrode and a second electrode plate are sequentially stacked;

[0006] A first reaction channel is provided on a side of the first electrode plate facing the membrane electrode; a second reaction channel is provided on a side of the second electrode plate facing the membrane electrode;

[0007] A first observation channel communicating with the first reaction channel is provided on a side of the first electrode plate facing the first observation member. The first observation member has a transparent first observation window facing the first observation channel.

[0008] A centrally symmetrical flow field structure is arranged on both sides of the first electrode plate and the second electrode plate away from the membrane electrode, and the flow fields on both sides of the electrode plate are connected by penetrating the middle position of the electrode plate. The movement state of the gas-liquid two-phase flow in the flow field can be directly observed, and flow field structure optimization ideas are provided according to the movement form of the gas-liquid two-phase flow in the flow channel, thereby improving the overall performance of the electrolyzer.

[0009] According to one embodiment of the present application, the first reaction channel includes a plurality of first reaction sub-channels, and the first observation channel includes a plurality of first observation sub-channels, and the plurality of first observation sub-channels are connected to the plurality of first reaction sub-channels in a one-to-one correspondence.

[0010] The first reaction sub-channels are all connected to the first observation sub-channels in a one-to-one correspondence, which can improve the electrolysis efficiency and enhance the visualization and controllability of the electrolysis process.

[0011] According to one embodiment of the present application, the plurality of first observation sub-channels are connected to the plurality of first reaction sub-channels in a one-to-one correspondence via a plurality of through holes penetrating the first electrode plate.

[0012] When the fluid reacts and flows in the first reaction sub-channel, it can flow into the first observation sub-channel through the corresponding through hole, and form a visible fluid flow phenomenon at the first observation window.

[0013] According to one embodiment of the present application, one end of the first observation sub-channel close to the center of the first electrode plate, one end of the corresponding first reaction sub-channel close to the center of the first electrode plate, and the orthographic projection of the through hole on the first electrode plate overlap.

[0014] The overlapping design can improve observation accuracy. At the same time, by precisely controlling the position of the through-holes and the layout of each sub-channel, the flow characteristics of the fluid in the electrolytic cell can be optimized, the electrolysis efficiency and product purity can be improved, and the risk of fluid leakage can be reduced.

[0015] According to one embodiment of the present application, the first observation channel and the first reaction channel are arranged in a mirror-symmetrical or center-symmetrical manner with respect to the orthographic projection of the first electrode plate.

[0016] The first observation channel and the first reaction channel are arranged in mirror symmetry or center symmetry with respect to the orthographic projection of the first electrode plate. This layout helps to optimize fluid flow, improve observation efficiency, and maintain the symmetry of the equipment structure.

[0017] According to one embodiment of the present application, the first observation piece is provided with a through liquid inlet and liquid outlet, the first electrode plate is provided with a slot open on the side of the first electrode plate facing the first observation piece, the liquid inlet is connected to the slot, the slot is connected to the first reaction channel, and the liquid outlet is connected to the first observation channel.

[0018] The liquid inlet and the liquid outlet of the first observation member are respectively connected to the notch connected to the first reaction channel and the first observation channel, which can optimize the fluid inlet and outlet paths of the first electrode plate.

[0019] According to one embodiment of the present application, the liquid outlet is provided at the first observation window.

[0020] By arranging the liquid outlet on the first observation window, the entire flow field structure can be observed, and the flow field size can be magnified to capture more details.

[0021] According to one embodiment of the present application, the first observation member includes:

[0022] a first insulating plate, provided with an observation port facing the first observation flow channel;

[0023] The first observation window is installed on the observation port and is sealed with the first electrode plate.

[0024] The first insulating plate can effectively isolate the environment inside the electrolytic cell, protect the first observation window from potential safety threats, and maintain the overall structural integrity and operational stability of the electrolytic cell.

[0025] According to one embodiment of the present application, a first sealing ring is sandwiched between the first observation window and the first insulating plate, and a second sealing ring is sandwiched between the first observation window and the first electrode plate.

[0026] The double sealing effect of the first sealing ring and the second sealing ring can improve the sealing between the first observation window and surrounding components and reduce the risk of leakage.

[0027] According to one embodiment of the present application, a first groove is provided on a side of the first observation window facing the first insulating plate, a second groove is provided on a side of the first insulating plate facing the first observation window, and the first sealing ring is installed in the first groove and the second groove;

[0028] and / or,

[0029] A third groove is provided on the side of the first observation window facing the first electrode plate, a fourth groove surrounding the first observation flow channel is provided on the side of the first electrode plate facing the first observation window, and the second sealing ring is installed in the third groove and the fourth groove.

[0030] Through the design of the first groove, the second groove, the third groove and the fourth groove, double sealing protection can be achieved between the first observation window and the first insulating plate and the first electrode plate, thereby improving the overall sealing performance and reducing the risk of leakage.

[0031] According to one embodiment of the present application, the visual electrolytic cell further includes: a second observation piece, which is arranged on the side of the second electrode plate facing away from the membrane electrode, and second observation channels connected to the second reaction channel are provided on both sides of the second electrode plate facing the second observation piece, and the second observation piece has a transparent second observation window facing the second observation channel.

[0032] Through the corresponding design of the first observation piece and the second observation piece, the fluid flow can be observed from two different angles of the electrolytic cell, so as to have a more comprehensive understanding of the dynamic changes of the electrolysis process. At the same time, dual-perspective observation can also shorten the observation time, improve the observation efficiency, and help to more accurately judge the working status of the electrolytic cell.

[0033] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0035] Figure 1 This is a schematic diagram of an explosion of a visualized electrolytic cell provided in an embodiment of the present application;

[0036] Figure 2 1 is an exploded schematic diagram of a first electrode plate and a first observation member provided in an embodiment of the present application;

[0037] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle;

[0038] Figure 4 Schematic diagram of the structure of the first electrode plate provided in an embodiment of the present application;

[0039] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle;

[0040] Figure 6 Schematic diagram of the structure of the first electrode plate and the first observation member provided in an embodiment of the present application;

[0041] Figure 7 yes Figure 6 Cross-sectional view at CC;

[0042] Figure 8 yes Figure 7 A partial enlarged view of point D in the middle.

[0043] Reference numerals:

[0044] Visualization of electrolytic cell 1;

[0045] First electrode plate 10, first reaction channel 110, first reaction sub-channel 111, first reaction collecting channel 112, first observation channel 120, first observation sub-channel 121, first observation collecting channel 122, through hole 130, notch 140;

[0046] First observation member 20, first insulating plate 210, liquid inlet 211, observation port 212, first observation window 220, liquid outlet 221, first sealing ring 230, first groove 231, second groove 232, second sealing ring 240, third groove 241, fourth groove 242;

[0047] Membrane electrode 30, third sealing ring 310, fourth sealing ring 320;

[0048] A second electrode plate 40;

[0049] A second observation member 50, a second insulating plate 510, and a second observation window 520;

[0050] Bolt 60, nut 70. DETAILED DESCRIPTION

[0051] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0052] This application aims to at least solve the technical problem of incomplete observation of the electrolysis process in the related art. To this end, this application proposes a visual electrolytic cell that can monitor the fluid flow and reaction conditions during the electrolysis process in an intuitive manner.

[0053] Reference below Figures 1-8 A visual electrolytic cell 1 according to an embodiment of the present application is described.

[0054] like Figure 1 As shown, the visualized electrolytic cell 1 includes: a first observation member 20, a first electrode plate 10, a membrane electrode 30 and a second electrode plate 40 which are stacked in sequence.

[0055] The first observation piece 20 is located at the outermost layer or top of the electrolytic cell and is the carrier of the observation window. A transparent first observation window 220 is provided on the first observation piece 20. The first observation window 220 is usually made of a high-transmittance and corrosion-resistant material, such as glass or special plastic, so that external light can enter the electrolytic cell through the first observation window 220, and then the internal situation of the electrolytic cell can be observed through the first observation window 220.

[0056] The first electrode plate 10 is closely attached to the bottom of the first observation piece 20 and is the anode in the electrolysis process. A first reaction channel 110 is designed on the side of the first electrode plate 10 facing the membrane electrode 30 for guiding the electrolyte to flow to the membrane electrode 30 and perform an electrochemical reaction. A first observation channel 120 is provided on the side of the first electrode plate 10 facing the first observation piece 20, and the first observation channel 120 is connected to the first reaction channel 110, and the fluid flow can be observed through the first observation window 220.

[0057] The first reaction channel 110 and the first observation channel 120 are respectively located on both sides of the first electrode plate 10, and their positions can overlap or be completely staggered. When the positions of the first reaction channel 110 and the first observation channel 120 overlap, the space occupied by the first electrode plate 10 can be reduced, but the thickness of the first electrode plate 10 will be increased. When the positions of the first reaction channel 110 and the first observation channel 120 are completely staggered, the thickness of the first electrode plate 10 can be reduced, but the space occupied by the first electrode plate 10 will also be increased. The following takes the case where the positions of the first reaction channel 110 and the first observation channel 120 are completely staggered as an example.

[0058] The membrane electrode 30 is located between the first electrode plate 10 and the second electrode plate 40 and is the core component of the electrolysis reaction. The membrane electrode 30 is responsible for promoting the decomposition reaction of the electrolyte under the action of the electric field. A third sealing ring 310 is provided between the membrane electrode 30 and the first electrode plate 10, and a fourth sealing ring 320 is provided between the membrane electrode 30 and the second electrode plate 40.

[0059] The second electrode plate 40 is located on the side of the membrane electrode 30 away from the first electrode plate 10 and is the cathode during the electrolysis process. A second reaction channel is designed on the side of the second electrode plate 40 facing the membrane electrode 30, corresponding to the first reaction channel 110, for guiding the electrolyte on the other side of the membrane electrode 30 to participate in the electrolysis reaction.

[0060] During the electrolysis process, the reactants are transported to the membrane electrode 30 through their respective reaction channels, and an electrolysis reaction occurs under the action of the electric field. At the same time, through the first observation channel 120 connected to the reaction channel provided on the first electrode plate 10, and the first observation channel 120 provided with a transparent first observation window 220, the flow state of the fluid in the channel, the consumption of the reactants, and possible bubbles can be intuitively observed.

[0061] The components of the visualized electrolyzer 1 are connected by multiple sets of bolts 60 and nuts 70, wherein each component includes a first electrode plate 10, a first observation piece 20, a membrane electrode 30, a second electrode plate 40, a second observation piece 50, a third sealing ring 310 and a fourth sealing ring 320.

[0062] The motion state of the two-phase flow of gas and liquid in the electrolytic cell has a great influence on the working performance of the electrolytic cell. The small chambers or flow channels of the electrolytic cell are clamped in the middle and are difficult to observe directly. In the related art, the two-phase flow of the inlet and outlet is analyzed. This analysis method is not direct, and it is impossible to test the state of each branch flow channel separately, which makes the design of the electrolytic cell more difficult. The present application arranges a centrally symmetrical flow field structure on both sides of the anode plate and the cathode plate, and connects the flow fields on both sides of the plate by passing through the middle position of the plate. It does not destroy the original flow field structure, but also integrates the dual needs of observation and functionality, and monitors the fluid flow and reaction during the electrolysis process in an intuitive way.

[0063] According to the visualized electrolyzer 1 provided in the embodiment of the present application, a centrally symmetrical flow field structure is arranged on both sides of the first electrode plate 10 and the second electrode plate 40 away from the membrane electrode 30, and the flow fields on both sides of the electrode plates are connected by passing through the middle position of the electrode plates. The movement state of the gas-liquid two-phase flow in the flow field can be directly observed, and flow field structure optimization ideas are provided according to the movement form of the gas-liquid two-phase flow in the flow channel, thereby improving the overall performance of the electrolyzer.

[0064] In some embodiments, as Figure 4 and Figure 5 As shown, the first reaction channel 110 includes a plurality of first reaction sub-channels 111 , and the first observation channel 120 includes a plurality of first observation sub-channels 121 . The plurality of first observation sub-channels 121 are connected to the plurality of first reaction sub-channels 111 in a one-to-one correspondence.

[0065] The first observation piece 20 is located at the outermost layer of the electrolytic cell and is provided with a transparent first observation window 220. The side of the first electrode 10 facing the first observation piece 20 is provided with a first observation channel 120 connected to the first reaction channel 110. The first observation channel 120 includes a plurality of first observation sub-channels 121. The plurality of first observation sub-channels 121 are arranged in parallel within the visible range of the first observation window 220, and the fluid flow can be observed from different angles. The first observation channel 120 also includes a first observation collecting channel 122. The first observation collecting channel 122 can collect the fluids in the plurality of first observation sub-channels 121 to facilitate fluid flow and transfer.

[0066] A first reaction channel 110 is designed on the side of the first electrode 10 facing the membrane electrode 30. The first reaction channel 110 also includes multiple first reaction sub-channels 111, which can more evenly distribute the reactants to the surface of the membrane electrode 30, thereby improving the electrolysis efficiency. The multiple first reaction sub-channels 111 are connected to the multiple first observation sub-channels 121 in a one-to-one correspondence. Not only can the fluid flow be observed in the first observation sub-channel 121, but the reaction of the fluid in the first reaction sub-channel 111 can also be observed in the first observation sub-channel 121.

[0067] The first reaction channel 110 further includes a first reaction collecting channel 112 for collecting reactants or products in the plurality of first reaction sub-channels 111 and then transporting them to other processing units.

[0068] The second electrode plate 40 , the second reaction channel and the second observation channel have similar structures to the first electrode plate 10 , the first reaction channel 110 , ie, the second observation channel, but are located on the other side of the membrane electrode 30 .

[0069] It can be understood that the first reaction sub-channels 111 are connected to the first observation sub-channels 121 in a one-to-one correspondence, which can improve the electrolysis efficiency and enhance the visualization and controllability of the electrolysis process.

[0070] In some embodiments, as Figure 7 As shown, the plurality of first observation sub-channels 121 are connected to the plurality of first reaction sub-channels 111 in a one-to-one correspondence via a plurality of through holes 130 penetrating the first electrode plate 10 .

[0071] As a key component in the electrolytic cell, the first electrode plate 10 not only carries the electrode function required for the electrolytic reaction, but also realizes the connection between the first observation channel 120 and the first reaction channel 110 through structural design. A plurality of through holes 130 are processed on the first electrode plate 10. The plurality of through holes 130 pass through the entire electrode plate in a certain arrangement. Each through hole 130 serves as a connecting channel, connecting the first observation sub-channel 121 and the first reaction sub-channel 111 on both sides of the first electrode plate 10 one by one.

[0072] The first observation sub-channel 121 is located on the side of the first electrode 10 facing the first observation piece 20, and is arranged according to a layout corresponding to the through hole 130. The first observation sub-channel 121 is used to guide the fluid to flow toward the first observation window 220 and allow external light to penetrate to observe the fluid flow. The first reaction sub-channel 111 is located on the side of the first electrode 10 facing the membrane electrode 30, and is also arranged according to a layout corresponding to the through hole 130. The first reaction sub-channel 111 is used to transport reactants to the surface of the membrane electrode 30 for electrolysis reaction.

[0073] During the electrolysis process, the reactants are distributed to each first reaction sub-channel 111 through the first reaction collecting channel 112, and then flow to the membrane electrode 30 for electrolysis reaction. At the same time, a plurality of through holes 130 are provided on the first electrode plate 10, so that each first reaction sub-channel 111 can be connected to the corresponding first observation sub-channel 121. When the reactants flow in the first reaction sub-channel 111, they will flow into the first observation sub-channel 121 through the through holes 130 and form a visible fluid flow phenomenon at the first observation window 220.

[0074] It is understandable that when the fluid reacts and flows in the first reaction sub-channel 111 , it can flow into the first observation sub-channel 121 through the corresponding through-hole 130 and form a visible fluid flow phenomenon at the first observation window 220 .

[0075] In some embodiments, as Figure 7 As shown, one end of the first observation sub-channel 121 close to the center of the first electrode plate 10 , one end of the corresponding first reaction sub-channel 111 close to the center of the first electrode plate 10 , and the orthographic projection of the through hole 130 on the first electrode plate 10 overlap.

[0076] Projection overlap means that in the part near the center of the first electrode 10, the inlet of each first observation sub-channel 121 precisely corresponds to the corresponding position of a first reaction sub-channel 111, and is connected to the outlet of the first reaction sub-channel 111 through a through hole 130, which can optimize the fluid flow path and improve the accuracy of observation.

[0077] The orthographic projection of the through hole 130 overlaps with the corresponding endpoints of the first observation sub-channel 121 and the first reaction sub-channel 111. When the fluid flows in the first reaction sub-channel 111, it can directly enter the first observation sub-channel 121 through the through hole 130 without leakage or poor flow. The overlapping design also helps to optimize the flow characteristics of the fluid in the sub-channel. The inlet and outlet positions of the fluid correspond precisely, which can reduce the energy loss of the fluid when turning or diverting, and improve the uniformity and stability of the fluid flow.

[0078] During the electrolysis process, the reactants are distributed from the first reaction collecting channel 112 to each first reaction sub-channel 111, and flow along the sub-channel to the surface of the membrane electrode 30. When the reactants reach the area near the center of the first electrode plate 10, they flow into the first observation sub-channel 121 through the corresponding through hole 130. At the same time, the inlet of the first observation sub-channel 121 overlaps with the outlet of the first reaction sub-channel 111, so that the observed fluid flow conditions are basically consistent with the actual electrolysis reaction conditions.

[0079] It can be understood that the overlapping design can improve the observation accuracy. At the same time, by precisely controlling the position of the through hole 130 and the layout of each sub-channel, the flow characteristics of the fluid in the electrolytic cell can be optimized, the electrolysis efficiency and product purity can be improved, and the risk of fluid leakage can be reduced.

[0080] In some embodiments, as Figure 7 As shown, the first observation channel 120 and the first reaction channel 110 are arranged in mirror symmetry or center symmetry with respect to the orthographic projection of the first electrode plate 10 .

[0081] Mirror symmetry means that two figures or objects are in a mirror relationship relative to a certain plane, such as the center plane of the first electrode plate 10, that is, one figure or object is the reflection of the other figure or object on the plane. In the electrolytic cell, the first observation channel 120 and the first reaction channel 110 are mirror-symmetrical on the orthographic projection of the first electrode plate 10, that is, the shapes, sizes and positions of the first observation channel 120 and the first reaction channel 110 relative to the center plane are symmetrical.

[0082] Central symmetry refers to a figure or object being centrally symmetric about a certain point, such as the center point of the first electrode plate 10, that is, every point on the figure or object has a symmetrical point about this point. In the electrolytic cell, the first observation channel 120 and the first reaction channel 110 are centrally symmetric on the positive projection of the first electrode plate 10, that is, the center points of the first observation channel 120 and the first reaction channel 110 coincide, and they present a symmetrical relationship around the center point.

[0083] The mirror-symmetrical and center-symmetrical layout can make the flow characteristics of the fluid in the flow channels on both sides similar, reduce the flow unevenness caused by differences in the flow channel shapes, and make the fluid more evenly distributed in the reaction flow channel, thereby improving the electrolysis efficiency. It can also improve the observation efficiency, and at the same time help to enhance the structural stability of the entire equipment and reduce vibration and stress concentration caused by structural asymmetry.

[0084] In practical applications, the first observation channel 120 and the first reaction channel 110 can be arranged in a mirror-symmetrical manner or a centrally symmetrical manner on the positive projection of the first electrode plate 10, depending on the specific needs and design objectives of the equipment. For example, in scenarios where fluid flow and observation efficiency need to be optimized, a mirror-symmetrical arrangement may be more appropriate, while in scenarios where fluid distribution needs to be uniform and observation needs to be comprehensive, a centrally symmetrical arrangement may be more advantageous.

[0085] It can be understood that the first observation channel 120 and the first reaction channel 110 are arranged in mirror symmetry or center symmetry with respect to the orthographic projection of the first electrode plate 10. This layout helps to optimize fluid flow, improve observation efficiency, and maintain the symmetry of the equipment structure.

[0086] In some embodiments, as Figure 2 and Figure 6 As shown, the first observation piece 20 is provided with a through liquid inlet 211 and a liquid outlet 221, and the first electrode plate 10 is provided with a slot 140 open on the side of the first electrode plate 10 facing the first observation piece 20, the liquid inlet 211 is connected to the slot 140, the slot 140 is connected to the first reaction channel 110, and the liquid outlet 221 is connected to the first observation channel 120.

[0087] The first observation piece 20 is provided with a through liquid inlet 211 and a liquid outlet 221. The liquid inlet 211 and the liquid outlet 221 are not directly connected to the sub-channels, but are connected to the collecting channel. The collecting channel is responsible for distributing the fluid to each sub-channel or collecting the fluid from the sub-channels.

[0088] The first electrode plate 10 is mainly used to carry the electrode function and guide the flow of fluid. An open slot 140 is provided on the side of the first electrode plate 10 facing the first observation piece 20. The slot 140 on the first electrode plate 10 serves as a transfer station for the fluid to enter the first reaction channel 110. One end is provided on the side of the first electrode plate 10 facing the first observation piece 20 and is connected to the liquid inlet 211, and the other end is connected to the first reaction channel 110 on the side of the first electrode plate 10 away from the first observation piece 20, and the fluid can be transported to the first reaction channel 110 through the first electrode plate 10.

[0089] The liquid inlet 211 of the first observation piece 20 is connected to the first reaction channel 110 through the slot 140 on the first electrode 10. After the fluid flows out from the slot 140, it will enter the first reaction collection channel 112 connected to the slot 140, and then be distributed to each first reaction sub-channel 111 by the first reaction collection channel 112. The liquid outlet 221 is connected to the first observation collection channel 122. After the fluid flows out from the first observation sub-channel 121, it is collected in the first reaction collection channel 112 connected to the liquid outlet 221, and then flows out from the liquid outlet 221 by the first reaction collection channel 112.

[0090] It is understandable that the liquid inlet 211 and the liquid outlet 221 of the first observation member 20 are respectively connected to the notch 140 connected to the first reaction channel 110 and the first observation channel 120, which can optimize the fluid inlet and outlet paths of the first electrode plate 10.

[0091] In some embodiments, as Figure 2 and Figure 6 As shown, the liquid outlet 221 is provided at the first observation window 220 .

[0092] The liquid outlet 221 is directly provided on the first observation window 220, and the flow of the fluid is carefully controlled to avoid affecting the observation effect due to the outflow of the fluid during the observation process. The liquid outlet 221 can be provided at the edge of the first observation window 220 or a guide structure around the liquid outlet 221 can be made of transparent material to minimize the impact on the observation field of view.

[0093] It is understandable that by arranging the liquid outlet 221 on the first observation window 220 , the entire flow field structure can be observed, and the flow field size can be magnified to capture more details.

[0094] In some embodiments, as Figure 2 and Figure 6 As shown, the first viewing member 20 includes a first insulating plate 210 and a first viewing window 220 .

[0095] The first observation piece 20 consists of a first insulating plate 210 and a first observation window 220, which can be used to safely observe the internal fluid flow without interfering with or disrupting the electrolysis process. The first insulating plate 210 is usually made of a material with good insulating properties, such as ceramic, glass or special plastic materials, to prevent current from flowing from the inside of the electrolytic cell to the outside, ensuring the safe progress of the electrolysis process.

[0096] The first insulating plate 210 serves as the basic structure of the first observation piece 20, which can provide support and protect the first observation window 220 from external impact and the internal electrolytic environment. The first insulating plate 210 is provided with a first observation port facing the first observation channel 120. The first observation window 220 is installed at the observation port, allowing light to penetrate and clearly observe the fluid flow in the channel.

[0097] The first observation window 220 is installed on the observation port of the insulating plate and serves as a window for observing the flow of fluid inside the electrolytic cell. The first observation window 220 is usually made of a transparent material, such as glass or transparent plastic, so that the fluid in the flow channel can be clearly seen. The first observation window 220 and the first electrode plate 10 are sealed by a seal, such as a sealing gasket or sealant, to strengthen the sealing between the insulating plate and the first electrode plate 10, prevent the fluid from leaking from the edge of the first observation window 220, and at the same time strengthen the stable installation of the first observation window 220.

[0098] It can be understood that the first insulating plate 210 can effectively isolate the environment inside the electrolytic cell, protect the first observation window 220 from potential safety threats, and maintain the overall structural integrity and operational stability of the electrolytic cell.

[0099] In some embodiments, as Figure 7 and Figure 8 As shown, a first sealing ring 230 is sandwiched between the first observation window 220 and the first insulating plate 210 , and a second sealing ring 240 is sandwiched between the first observation window 220 and the first electrode plate 10 .

[0100] Sealing rings are sandwiched between the first observation window 220 and the first insulating plate 210, and between the first observation window 220 and the first electrode plate 10. The sealing rings are usually made of materials with good elasticity and chemical corrosion resistance, such as rubber, silicone or fluororubber, etc., and are used to ensure the sealing between the observation window and surrounding components and reduce the risk of fluid leakage.

[0101] The first sealing ring 230 is sandwiched between the first observation window 220 and the first insulating plate 210 . Its main function is to strengthen the tight connection between the first observation window 220 and the first insulating plate 210 and prevent fluid or gas from leaking out from the gap between the first observation window 220 and the first insulating plate 210 .

[0102] The second sealing ring 240 is sandwiched between the first observation window 220 and the first electrode plate 10. In addition to maintaining the sealing of the first observation window 220 together with the first sealing ring 230, the second sealing ring 240 can also firmly install the first observation window 220 on the first electrode plate 10, which helps to prevent the first observation window 220 from loosening or falling off due to factors such as fluid pressure, temperature changes or mechanical vibrations.

[0103] It can be understood that, through the dual sealing effect of the first sealing ring 230 and the second sealing ring 240 , the sealing between the first observation window 220 and surrounding components can be improved, thereby reducing the risk of leakage.

[0104] In some embodiments, as Figure 7 and Figure 8 As shown, a first groove 231 is provided on the side of the first observation window 220 facing the first insulating plate 210, a second groove 232 is provided on the side of the first insulating plate 210 facing the first observation window 220, and the first sealing ring 230 is installed in the first groove 231 and the second groove 232. A third groove 241 is provided on the side of the first observation window 220 facing the first electrode plate 10, and a fourth groove 242 surrounding the first observation flow channel 120 is provided on the side of the first electrode plate 10 facing the first observation window 220, and the second sealing ring 240 is installed in the third groove 241 and the fourth groove 242.

[0105] The first groove 231 and the second groove 232 correspond to each other, forming a groove for installing the first sealing ring 230, so that the first sealing ring 230 can be accurately embedded therein, thereby achieving a tight connection and seal between the first observation window 220 and the first insulating plate 210. During installation, the first sealing ring 230 is placed between the first groove 231 and the second groove 232, and is tightly fitted to the two grooves through appropriate pressure to form an effective seal.

[0106] The third groove 241 and the fourth groove 242 correspond to each other, forming a groove for installing the second sealing ring 240, so that the second sealing ring 240 can be installed around the first observation channel 120, thereby achieving a comprehensive sealing effect. The second sealing ring 240 fits tightly between the first observation window 220 and the first electrode 10, and forms a barrier around the first observation channel 120, which can reduce the risk of fluid leakage from the gap between the observation window and the electrode plate. During installation, the second sealing ring 240 is placed between the third groove 241 and the fourth groove 242, and is tightly fitted to the two grooves through appropriate pressure so that it completely surrounds the first observation channel 120.

[0107] It can be understood that through the design of the first groove 231 and the second groove 232 and the third groove 241 and the fourth groove 242, double sealing protection can be achieved between the first observation window 220 and the first insulating plate 210 and the first electrode plate 10, thereby improving the overall sealing performance and reducing the risk of leakage.

[0108] In some embodiments, as Figure 1 As shown, the visualized electrolytic cell 1 also includes: a second observation piece 50, which is arranged on the side of the second electrode plate 40 facing away from the membrane electrode 30, and a second observation channel connected to the second reaction channel is provided on both sides of the second electrode plate 40 facing the second observation piece 50, and the second observation piece 50 has a transparent second observation window 520 facing the second observation channel.

[0109] The second observation piece 50 corresponds to the first observation piece 20 and is also composed of a second insulating plate 510 and a second observation window 520. It is mainly used to observe the fluid flow on the side of the second electrode plate 40 away from the membrane electrode 30 in the electrolytic cell. The second observation piece 50 is arranged on the side of the second electrode plate 40 away from the membrane electrode 30, opposite to the first observation piece 20, thereby providing the possibility of observing the fluid flow inside the electrolytic cell from two different angles.

[0110] A second observation channel connected to the second reaction channel is provided on the side of the second electrode 40 facing the second observation piece 50. Similar to the first observation channel 120, the fluid can also be guided into the second observation channel when flowing through the second reaction channel, thereby allowing observation through the second observation piece 50.

[0111] The second observation member 50 has a transparent second observation window 520 facing the second observation channel. Similar to the first observation window 220, the second observation window 520 is made of a transparent material, such as glass, transparent plastic, etc., allowing light to penetrate and clearly observe the fluid flow in the second observation channel.

[0112] It can be understood that through the corresponding design of the first observation piece 20 and the second observation piece 50, the fluid flow can be observed from two different angles of the electrolytic cell, so as to have a more comprehensive understanding of the dynamic changes of the electrolysis process. At the same time, dual-perspective observation can also shorten the observation time, improve the observation efficiency, and help to more accurately judge the working status of the electrolytic cell.

[0113] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0114] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0115] In the description of this application, "first feature" and "second feature" may include one or more of the features.

[0116] In the description of this application, “plurality” means two or more.

[0117] In the description of the present application, a first feature being “on” or “under” a second feature may include the first and second features being in direct contact with each other, or the first and second features being in contact with each other not directly but via another feature therebetween.

[0118] In the description of this application, a first feature “on”, “above” and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0119] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0120] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and purpose of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A visual electrolytic cell, characterized in that: include: A first observation member, a first electrode plate, a membrane electrode and a second electrode plate are sequentially stacked; A first reaction channel is provided on a side of the first electrode plate facing the membrane electrode; a second reaction channel is provided on a side of the second electrode plate facing the membrane electrode; A first observation channel communicating with the first reaction channel is provided on a side of the first electrode plate facing the first observation member. The first observation member has a transparent first observation window facing the first observation channel.

2. The visual electrolytic cell according to claim 1, characterized in that The first reaction channel includes a plurality of first reaction sub-channels, and the first observation channel includes a plurality of first observation sub-channels. The plurality of first observation sub-channels are connected to the plurality of first reaction sub-channels in a one-to-one correspondence.

3. The visual electrolytic cell according to claim 2, characterized in that: The plurality of first observation sub-flow channels are connected to the plurality of first reaction sub-flow channels in a one-to-one correspondence via a plurality of through holes penetrating the first electrode plate.

4. The visual electrolytic cell according to claim 3, characterized in that: An end of the first observation sub-channel close to the center of the first electrode plate, an end of the corresponding first reaction sub-channel close to the center of the first electrode plate, and an orthographic projection of the through hole on the first electrode plate overlap.

5. The visual electrolytic cell according to claim 1, characterized in that: The first observation channel and the first reaction channel are arranged in mirror symmetry or center symmetry with respect to the orthographic projection of the first electrode plate.

6. The visual electrolytic cell according to claim 1, characterized in that: The first observation piece is provided with a through liquid inlet and liquid outlet, and the first electrode plate is provided with a slot open on the side of the first electrode plate facing the first observation piece, the liquid inlet is connected to the slot, the slot is connected to the first reaction channel, and the liquid outlet is connected to the first observation channel.

7. The visual electrolytic cell according to claim 6, characterized in that: The liquid outlet is arranged on the first observation window.

8. The visual electrolytic cell according to claim 1, characterized in that: The first observation member includes: a first insulating plate, provided with an observation port facing the first observation flow channel; The first observation window is installed on the observation port and is sealed with the first electrode plate.

9. The visual electrolytic cell according to claim 8, characterized in that: A first sealing ring is sandwiched between the first observation window and the first insulating plate, and a second sealing ring is sandwiched between the first observation window and the first electrode plate.

10. The visualized electrolytic cell according to claim 9, characterized in that: A first groove is provided on a side of the first observation window facing the first insulating plate, a second groove is provided on a side of the first insulating plate facing the first observation window, and the first sealing ring is installed in the first groove and the second groove; and / or, A third groove is provided on the side of the first observation window facing the first electrode plate, a fourth groove surrounding the first observation flow channel is provided on the side of the first electrode plate facing the first observation window, and the second sealing ring is installed in the third groove and the fourth groove.

11. The visual electrolytic cell according to any one of claims 1 to 10, characterized in that: Also includes: A second observation piece is provided on the side of the second electrode plate facing away from the membrane electrode, and a second observation channel connected to the second reaction channel is provided on both sides of the second electrode plate facing the second observation piece, and the second observation piece has a transparent second observation window facing the second observation channel.

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