CN120535081A - A wastewater electrolyzer - Google Patents
A wastewater electrolyzerInfo
- Publication number
- CN120535081A CN120535081A CN202510668295.8A CN202510668295A CN120535081A CN 120535081 A CN120535081 A CN 120535081A CN 202510668295 A CN202510668295 A CN 202510668295A CN 120535081 A CN120535081 A CN 120535081A
- Authority
- CN
- China
- Prior art keywords
- electrode plate
- conductive metal
- anode
- cathode
- metal plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a waste water electrolytic tank, which relates to the technical field of waste water treatment equipment and comprises a tank body, an anode electrode plate, a cathode electrode plate, a top spoiler and a side spoiler, wherein a water inlet is arranged at the bottom of the side wall of the tank body, a water outlet is arranged at the top of the tank body, the anode electrode plate and the cathode electrode plate are vertically arranged in the tank body and are alternately and misplaced between the water inlet and the water outlet to form an S-shaped flow channel, the height of the S-shaped flow channel is lower than that of the water outlet, the top spoiler is positioned between the S-shaped flow channel and the water outlet, a flow disturbing hole is arranged on the top spoiler, the side spoiler is arranged in the S-shaped flow channel and is positioned at the end parts of the anode electrode plate and the cathode electrode plate, and the side spoiler is arranged along the anode electrode plate or the cathode electrode plate.
Description
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to a wastewater treatment tank.
Background
Current wastewater electrochemical treatment devices based on BDD electrodes generally adopt a parallel flow channel structure, which realizes pollutant degradation through a flat plate electrode and a linear flow channel with fixed spacing. The typical scheme comprises a cuboid reaction tank, a BDD anode and a titanium cathode which are arranged in parallel, and a single-point liquid inlet design, wherein electrolyte flows unidirectionally along a linear flow channel during operation. However, the structure has the essential defects that firstly, the flow field distribution is uneven due to the linear flow channel, the flow velocity difference between the edge of the electrode and the central area is obvious, the concentration distribution of reactants is uneven, and secondly, microbubbles generated by the anodic oxygen evolution reaction are easy to accumulate on the surface of the flat electrode to form a shielding layer, so that the effective reaction area is greatly reduced, and the treatment efficiency and the energy consumption index are difficult to break through the existing bottleneck.
Disclosure of Invention
The invention aims to provide a waste water electrolytic bath, which is used for solving the problems in the prior art, strengthening the turbulence of water flow, avoiding bubbles to stay on the surface of an electrode plate, redistributing reactants in sewage and improving the decontamination efficiency.
In order to achieve the above object, the present invention provides the following solutions:
The waste water electrolytic tank comprises a tank body, an anode electrode plate, a cathode electrode plate, a top spoiler and a side spoiler, wherein a water inlet is formed in the bottom of the side wall of the tank body, a water outlet is formed in the top of the tank body, the anode electrode plate and the cathode electrode plate are vertically arranged in the tank body and are alternately and misplaced between the water inlet and the water outlet to form an S-shaped flow channel, the height of the S-shaped flow channel is lower than that of the water outlet, the top spoiler is positioned between the S-shaped flow channel and the water outlet in height, a disturbing hole is formed in the top spoiler, the side spoiler is arranged in the S-shaped flow channel and positioned at the end parts of the anode electrode plate and the cathode electrode plate, and the side spoiler is arranged along the anode electrode plate or the cathode electrode plate and is provided with the disturbing hole.
As an implementation mode, the tank body comprises a first side wall and a second side wall which are opposite to each other, the water inlet and the water outlet are formed in the first side wall, one end of the cathode electrode plate is abutted to the first side wall, a water passing interval is formed between the other end of the cathode electrode plate and the second side wall, one end of the anode electrode plate is abutted to the second side wall, a water passing interval is formed between the other end of the anode electrode plate and the first side wall, and the side spoiler is arranged in the water passing interval.
The anode conductive metal plate is vertically inserted into the groove body, the anode conductive metal plate is provided with an anode lug exposed out of the groove body and is in sealing connection with the second side wall, a plurality of groups of clamping assemblies are arranged on the anode conductive metal plate at intervals, each clamping assembly comprises two elastic metal clamping strips which are arranged oppositely, and the anode electrode plates are inserted into the elastic metal clamping strips and clamped.
The cathode conductive metal plate is horizontally inserted into the groove body, the cathode conductive metal plate is provided with a cathode lug exposed out of the groove body, the cathode conductive metal plate is in sealing connection with a bottom plate of the groove body, a plurality of groups of clamping assemblies are arranged on the cathode conductive metal plate at intervals, and the cathode electrode plate is inserted into the clamping assemblies to be clamped.
In one embodiment, the second side wall is provided with a first mounting groove, the anode conductive metal plate is inserted into the first mounting groove and is fixed with the second side wall in a sealing way, the clamping component on the anode conductive metal plate is exposed out of the first mounting groove, the bottom plate is provided with a second mounting groove, the cathode conductive metal plate is inserted into the second mounting groove and is fixed with the bottom plate in a sealing way, and the clamping component on the cathode conductive metal plate is exposed out of the second mounting groove.
As an implementation mode, the anode conductive metal plate, the cathode conductive metal plate and the insertion position of the groove body are all provided with sealing rings.
As an embodiment, the anode conductive metal plate and the cathode conductive metal plate are comb-shaped, and the clamping assembly is fixed on the comb teeth.
As an implementation mode, two side end parts of the second side wall are provided with arc-shaped flow guide structures.
As an embodiment, the anode electrode plate is a BDD anode, and the cathode electrode plate is a titanium cathode.
As an embodiment, the turbulence Kong Chengzheng is hexagonal.
Compared with the prior art, the invention has the following technical effects:
1. According to the invention, the S-shaped flow channel can be formed by alternately and misplaced anode electrode plates and cathode electrode plates, so that the flow path of wastewater between the anode electrode plates and the cathode electrode plates is improved, meanwhile, the uniformity degree of a flow field can be improved, and the problem that the flow velocity difference between the edge of an electrode and the central area is obvious is avoided.
2. According to the invention, by arranging the side spoiler and the top spoiler, the turbulence effect of water flow is improved, the separation efficiency of bubbles and the electrode plate is improved, bubbles are prevented from being detained on the surface of the electrode plate, the contact area of the electrode plate and wastewater is reduced, and the problem of influencing the electrolysis efficiency occurs. Turbulence also causes redistribution of reactants in the fluid, further improving the uniformity of reactant distribution and improving decontamination.
3. According to the invention, the anode electrode plate and the cathode electrode plate are vertically arranged, so that a transverse electric field perpendicular to the water flow direction can be formed, and the pollutant separation is cooperatively enhanced by utilizing a gravity field.
Compared with the prior art, the other technical proposal of the invention has the following technical effects:
The cathode electrode plate and the anode electrode plate are fixed on the anode conductive metal plate and the cathode conductive metal plate in a plugging manner, so that the connection mode is simpler, the disassembly is convenient, and the quantity and the spacing of the cathode electrode plate and the anode electrode plate are convenient to reasonably adjust according to different water qualities and electrolysis requirements, thereby improving the adaptability of the electrolytic tank. In addition, the cathode electrode plate and the anode electrode plate are all positioned in the tank body, and the cathode electrode lug and the anode electrode lug are connected with a power supply, so that the parts of the cathode electrode plate and the anode electrode plate are not required to be exposed and connected with the power supply, and the utilization rate of the cathode electrode plate and the anode electrode plate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the construction of a waste water treatment tank according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of a waste water treatment tank according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a longitudinal section of a waste water treatment tank according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a waste water treatment tank according to an embodiment of the present invention;
Fig. 5 is a schematic structural view of an anode conductive metal plate according to an embodiment of the present invention.
Reference numerals illustrate:
1. The solar cell comprises a cell body, a first side wall, a second side wall, a water inlet, a water outlet, a cathode electrode plate, a top spoiler, a side spoiler, a spoiler hole, an anode conductive metal plate, an anode tab, a cathode conductive metal plate, a cathode tab, a clamping assembly, an elastic metal clamping strip, an arc-shaped guide structure and a clamping assembly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a waste water electrolytic bath, which is used for solving the problems existing in the prior art, strengthening the turbulent flow of water flow, avoiding bubbles to stay on the surface of an electrode plate, redistributing reactants in sewage and improving the decontamination efficiency.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-5, the present embodiment provides a waste water electrolytic tank, which comprises a tank body 1, an anode electrode plate 6, a cathode electrode plate 7, a top spoiler 8 and a side spoiler 9, wherein the tank body 1 can be a cuboid or a cube, a water inlet 4 is arranged at the bottom of the side wall of the tank body 1, a water outlet 5 is arranged at the top, and the water inlet 4 and the water outlet 5 are respectively close to two ends of the tank body 1 in the horizontal direction, so that a large enough water flow area exists between the water inlet 4 and the water outlet 5 in the horizontal direction. The anode electrode plate 6 and the cathode electrode plate 7 are vertically arranged in the tank body 1 and are alternately and misplaced between the water inlet 4 and the water outlet 5 to form an S-shaped flow channel, and the height of the S-shaped flow channel is lower than that of the water outlet 5. The top spoiler 8 is positioned between the S-shaped flow channel and the water outlet 5 in height and is arranged close to the S-shaped flow channel (namely, is arranged close to the tops of the anode electrode plate 6 and the cathode electrode plate 7), the top spoiler 8 is provided with a flow disturbing hole 10, the side spoiler 9 is arranged in the S-shaped flow channel and is positioned at the end parts of the anode electrode plate 6 and the cathode electrode plate 7, the side spoiler 9 is arranged along the anode electrode plate 6 or the cathode electrode plate 7, and the side spoiler 9 is also provided with the flow disturbing hole 10. The shape of the spoiler holes 10 on the top spoiler 8 may be the same or different, and in this embodiment, the shape of the spoiler holes 10 on the top spoiler 8 is the same as the shape of the spoiler holes 10 on the side spoiler 9, and the spoiler holes 10 are of a hexagonal honeycomb structure, or may be square or other shapes.
When the device is used, wastewater is introduced into the tank body 1 from the water inlet 4, flows in the S-shaped flow channel between the anode electrode plate 6 and the cathode electrode plate 7, pollutants in the wastewater are degraded by the anode electrode plate 6 through electrochemical reaction, bubbles generated by anode oxygen evolution are discharged upwards, and the cathode electrode plate 7 is subjected to reduction reaction, so that the reaction efficiency is enhanced. The turbulence holes 10 on the side turbulence plates 9 can induce periodic wall jet flow, so that the turbulence intensity of the wastewater is obviously improved, and the turbulence can help the separation of bubbles and the electrode plates, so that the bubbles are prevented from being detained on the surfaces of the electrode plates to form a shielding effect, and the high-efficiency continuous electrolytic reaction is ensured. And the waste water after electrolytic decontamination flowing out of the top of the S-shaped flow channel is discharged from the water outlet 5 after being subjected to the turbulence action of the top spoiler 8. According to actual conditions, the wastewater can be circularly treated for a plurality of times.
Therefore, the S-shaped flow channel can be formed through the anode electrode plates 6 and the cathode electrode plates 7 which are alternately and misplaced, so that the flow path of wastewater between the anode electrode plates 6 and the cathode electrode plates 7 is improved, meanwhile, the uniformity degree of a flow field can be improved, and the problem that the flow velocity difference between the edge of an electrode and the central area is obvious is avoided. In addition, the lateral spoiler 9 and the top spoiler 8 are arranged, so that the turbulence effect of water flow is improved, the separation efficiency of bubbles and electrode plates is improved, bubbles are prevented from being detained on the surfaces of the electrode plates, the contact area of the electrode plates and wastewater is reduced, the problem of influencing the electrolysis efficiency is solved, the turbulence can cause the redistribution of reactants in the fluid, the distribution uniformity of the reactants is further improved, and the decontamination effect is improved. In addition, the anode electrode plate 6 and the cathode electrode plate 7 are vertically arranged, so that a transverse electric field perpendicular to the water flow direction can be formed, and the pollutant separation is cooperatively enhanced by utilizing a gravity field.
It should be noted that the top spoiler 8 in this embodiment can also enhance the turbulence effect of the water flow, especially the top water flow of the S-shaped flow channel. Although there may be a portion of the water flow that does not flow through the complete S-shaped channel, most of the water flow can flow through the complete S-shaped channel and be fully electrolytically decontaminated by the dual action of the blocking action of the top spoiler 8, the initial velocity pushing action of the water flow.
In this embodiment, the tank body 1 includes a first side wall 2 and a second side wall 3 which are opposite to each other, and the water inlet 4 and the water outlet 5 are both disposed on the first side wall 2 and are respectively close to two diagonal positions of the first side wall 2. One end of the cathode electrode plate 7 is abutted against the first side wall 2, a water passing interval is arranged between the other end of the cathode electrode plate and the second side wall 3, one end of the anode electrode plate 6 is abutted against the second side wall 3, a water passing interval is arranged between the other end of the anode electrode plate and the first side wall 2, and the side spoiler 9 is arranged in the water passing interval. The thickness and height of the side spoiler 9 in this embodiment are the same as those of the anode electrode plate 6 and the cathode electrode plate 7. After the side spoiler 9 is arranged, the plate surface of the side spoiler is coplanar with the anode electrode plate 6 and the cathode electrode plate 7. In this embodiment, the thicknesses of the anode electrode plate 6, the cathode electrode plate 7, the side spoiler 9 and the top spoiler 8 are all 1mm, the aperture of the spoiler hole 10 is 5mm, the aperture ratio of the side spoiler 9 and the top spoiler 8 is 60% -70%, and the aperture ratio in this embodiment is 62%.
The embodiment further comprises an anode conductive metal plate 11, wherein the anode conductive metal plate 11 is vertically inserted into the tank body 1, the anode conductive metal plate 11 is provided with an anode tab 12 exposed out of the tank body 1, and the anode tab 12 is used for connecting with a positive electrode of a power supply. The anode conductive metal plate 11 is in sealing connection with the second side wall 3 to avoid waste water leakage, a plurality of groups of clamping assemblies 15 are arranged on the anode conductive metal plate 11 at intervals, and the anode electrode plate 6 is inserted into the elastic metal clamping strips 16 to be clamped. The embodiment further comprises a cathode conductive metal plate 13, wherein the cathode conductive metal plate 13 is horizontally inserted into the tank body 1, the cathode conductive metal plate 13 is provided with a cathode tab 14 exposed out of the tank body 1, and the cathode tab 14 is used for connecting with a power supply cathode. The cathode conductive metal plate 13 is connected with the bottom plate of the tank body 1 in a sealing way to avoid leakage of waste water, a plurality of groups of clamping assemblies 15 are arranged on the cathode conductive metal plate 13 at intervals, and the cathode electrode plate 7 is inserted into the clamping assemblies 15 to be clamped. As shown in fig. 5, the clamping assembly 15 includes two elastic metal clamping strips 16 disposed opposite to each other, the elastic metal clamping strips 16 are arc-shaped structures, and openings of the two arc-shaped structures are opposite to each other, and the two elastic metal clamping strips 16 are used to clamp the cathode electrode plate 7 or the anode electrode plate 6. Before the cathode electrode plate 7 and the anode electrode plate 6 are inserted into the clamping assembly 15, conductive adhesive can be coated on the insertion ends of the cathode electrode plate 7 and the anode electrode plate 6, so that the connection strength and the conductive effect of the electrode plates and the elastic metal clamping strips 16 are improved.
In the embodiment, the cathode electrode plate 7 and the anode electrode plate 6 are fixed on the anode conductive metal plate 11 and the cathode conductive metal plate 13 in a plugging manner, so that the connection mode is simpler and is convenient to detach, and the number and the spacing of the cathode electrode plate 7 and the anode electrode plate 6 are convenient to reasonably adjust according to different water qualities and electrolysis requirements, thereby improving the adaptability of the electrolytic tank. In addition, in this embodiment, the cathode electrode plate 7 and the anode electrode plate 6 are all located inside the tank body 1, and the cathode tab 14 and the anode tab 12 are used to connect to a power supply, so that the cathode electrode plate 7 and the anode electrode plate 6 do not need to be partially exposed to connect to the power supply, thereby improving the utilization rate of the cathode electrode plate 7 and the anode electrode plate 6.
In this embodiment, a first mounting groove is formed in the second side wall 3, the anode conductive metal plate 11 is inserted into the first mounting groove and is sealed and fixed with the second side wall 3, the clamping component 15 on the anode conductive metal plate 11 is exposed from the first mounting groove, a second mounting groove is formed in the bottom plate, the cathode conductive metal plate 13 is inserted into the second mounting groove and is sealed and fixed with the bottom plate, and the clamping component 15 on the cathode conductive metal plate 13 is exposed from the second mounting groove. In this embodiment, the side wall and the bottom of the tank body 1 are made of corrosion-resistant polypropylene (PP) material, the top cover is made of acrylic material, and the top cover is fixed with other parts through stainless steel nuts. The anode conductive metal plate 11 and the cathode conductive metal plate 13 are inserted into the second side wall 3 and the bottom plate of the tank body 1 and then fixed by bolts.
In this embodiment, seal rings are disposed at the insertion positions of the anode conductive metal plate 11, the cathode conductive metal plate 13 and the tank body 1, so as to avoid leakage of waste water.
As shown in fig. 5, in this embodiment, the anode conductive metal plate 11 and the cathode conductive metal plate 13 are both in a comb shape, the clamping assembly 15 is fixed on the comb teeth, and a plurality of first mounting grooves and second mounting grooves are respectively provided corresponding to the comb teeth. The first mounting groove and the second mounting groove are T-shaped grooves, and the notch of each T-shaped groove is used for exposing the clamping assembly 15.
As shown in fig. 2 and 4, in this embodiment, two side ends of the second sidewall 3 are provided with arc-shaped diversion structures 17. The arc-shaped flow guiding structure 17 is positioned at the corner, so that the dead zone of corner vortex can be reduced. In this embodiment, the arc of the arc-shaped flow guiding structure 17 is a quarter arc, and the diameter of the arc is 15mm.
In this embodiment, the anode electrode plate 6 is a BDD anode, and the cathode electrode plate 7 is a titanium cathode.
The adaptation to the actual need is within the scope of the invention.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided herein to facilitate understanding of the principles and embodiments of the present invention and to provide further advantages and practical applications for those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510668295.8A CN120535081A (en) | 2025-05-22 | 2025-05-22 | A wastewater electrolyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510668295.8A CN120535081A (en) | 2025-05-22 | 2025-05-22 | A wastewater electrolyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN120535081A true CN120535081A (en) | 2025-08-26 |
Family
ID=96779106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510668295.8A Pending CN120535081A (en) | 2025-05-22 | 2025-05-22 | A wastewater electrolyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120535081A (en) |
-
2025
- 2025-05-22 CN CN202510668295.8A patent/CN120535081A/en active Pending
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