CN220201566U - Sandwich type electrode wastewater degradation device - Google Patents
Sandwich type electrode wastewater degradation device Download PDFInfo
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- CN220201566U CN220201566U CN202321413205.3U CN202321413205U CN220201566U CN 220201566 U CN220201566 U CN 220201566U CN 202321413205 U CN202321413205 U CN 202321413205U CN 220201566 U CN220201566 U CN 220201566U
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- 238000006731 degradation reaction Methods 0.000 title claims abstract description 26
- 230000015556 catabolic process Effects 0.000 title claims abstract description 24
- 239000002351 wastewater Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 238000005868 electrolysis reaction Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000005342 ion exchange Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- LGZQSRCLLIPAEE-UHFFFAOYSA-M sodium 1-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalen-2-olate Chemical compound [Na+].C1=CC=C2C(N=NC3=C4C=CC=CC4=CC=C3O)=CC=C(S([O-])(=O)=O)C2=C1 LGZQSRCLLIPAEE-UHFFFAOYSA-M 0.000 description 2
- 229920000557 Nafion® Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000000979 synthetic dye Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a sandwich electrode wastewater degradation device, which comprises: the box is provided with a plurality of groups of water inlets and a plurality of groups of water outlets, the water inlets are provided with filter screens, the box is provided with a box cover, a plurality of groups of clip type electrodes are fixed under the box cover, cathode pins and anode pins of the plurality of groups of clip type electrodes are respectively connected with a cathode rail and an anode rail through the box cover, and the clip type electrodes are provided with interlayer diaphragms, cathode plates and anode plates. The utility model helps and promotes ion exchange between the anode and the cathode through the interlayer diaphragm of the clip type electrode, completes the electrocatalytic degradation process of the organic matters under normal cell voltage, namely low conductivity, and expands the application field of the electrochemical catalytic degradation technology of the organic matters.
Description
Technical Field
The utility model relates to the technical field of electrochemical catalytic oxidation water treatment, in particular to an interlayer electrode wastewater degradation device.
Background
Electrochemical catalytic oxidation water treatment technology is a typical advanced oxidation technology, and has received much attention from researchers in recent years. Many factors influence electrochemical catalytic oxidation technology, for example: current density value, organic concentration, solution temperature, solution pH value, etc. Different influencing factors have a great influence on the final treatment result and the treatment energy consumption, and in recent years, the academic world and the industry are also focused on improving the treatment effect, the treatment efficiency and reducing the treatment energy consumption in the technical field.
The basis of the traditional electrochemical catalytic oxidation technology is that the organic solution, namely the wastewater, needs to have a certain degree of conductivity, namely the existence of electrolyte (mainly conductive salt) is needed, so that the electrochemical catalytic oxidation process can be carried out at a normal voltage level. When the electrolyte concentration in the organic matter solution is low or not, the electrochemical catalytic oxidation technology is used for degrading the organic matter solution, so that the voltage of the electrolytic tank is too high due to the too high solution resistance, and further the electrolytic effect is poor and the energy consumption value is too high. Thus, in the conventional sense, electrocatalytic oxidation techniques are not suitable for application in organic degradation under low conductivity conditions.
Disclosure of Invention
The embodiment of the utility model provides an interlayer electrode wastewater degradation device, which is used for solving the problem that an electrocatalytic oxidation technology in the prior art is not suitable for organic matter degradation under a low conductivity condition, and comprises the following components:
the box, be provided with multiunit water inlet and multiunit outlet on the box, be provided with the filter screen on the water inlet, be provided with the box lid on the box, be fixed with multiunit clip formula electrode under the box lid, multiunit clip formula electrode's negative pole and positive pole pin are passed through the box lid is connected cathode rail and positive pole rail respectively, clip formula electrode is provided with intermediate layer diaphragm and negative pole piece, positive pole piece.
In one possible implementation manner, the interlayer diaphragm is arranged between the cathode plate and the anode plate, and the interlayer diaphragm is closely attached to the cathode plate and the anode plate.
In one possible implementation, the filter screen is screwed to the water inlet.
In one possible implementation manner, the box body and the box body cover are correspondingly provided with screw holes, the box body and the box body cover are connected through box cover nuts and screw holes, a sealing ring is arranged at the joint of the box body and the box body cover, a plurality of electrolysis chambers are arranged in the box body corresponding to a plurality of groups of clamping piece type electrodes, each electrolysis chamber is provided with a water inlet and a water outlet, and the clamping piece type electrodes are in sealing fit with the corresponding electrolysis chambers along a contact surface.
In one possible implementation, the cathode tab pin of the clip electrode is connected to a cathode conductive strip on the cathode rail, and the anode tab pin of the clip electrode is connected to an anode conductive strip on the anode rail.
In one possible implementation manner, screw holes are correspondingly formed in the box body and the box body cover, the box body and the box body cover are connected through box cover nuts and the screw holes, and a sealing ring is arranged at the joint of the box body and the box body cover.
In one possible implementation, the drain opening is provided with a shut-off valve.
In one possible implementation, the cathode conductive strip is fixedly disposed at the bottom of the cathode rail, the anode conductive strip is fixedly disposed at the bottom of the anode rail, and the cathode rail and the anode rail are fixedly welded to the case cover along the long axis of the case cover.
In one possible implementation manner, one end, close to the water inlet, of the cathode rail and the anode rail is provided with a conductive interface, and a cable fixing screw is arranged on the conductive interface.
In one possible implementation, the cable set screw on the anode rail turns on the anode conductive strip.
The interlayer electrode wastewater degradation device has the following advantages:
the interlayer diaphragm of the clip type electrode helps and promotes ion exchange between the anode and the cathode, and the electrocatalytic degradation process of the organic matters is completed under normal cell voltage, namely low conductivity, so that the application field of the electrochemical catalytic degradation technology of the organic matters is expanded.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, 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 diagram of a box of an interlayer electrode wastewater degradation device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a case cover of a sandwiched electrode wastewater degradation device according to an embodiment of the present utility model;
fig. 3 is an enlarged schematic view of a part of an anode rail of a sandwiched electrode wastewater degradation device according to an embodiment of the present utility model.
The reference numerals in the figures illustrate: 1. a case; 11. a water inlet; 12. a water outlet; 13. a filter screen; 2. a case cover; 21. a box cover nut; 3. a clip type electrode; 4. a cathode rail; 41. cathode conductive strips; 5. an anode rail; 51. an anode conductive strip; 6. and fixing the screw by the cable.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
FIG. 1 is a schematic perspective exploded view of a sandwiched electrode wastewater degradation device according to an embodiment of the present utility model; the embodiment of the utility model provides an interlayer electrode wastewater degradation device, which comprises:
the box 1, be provided with multiunit water inlet 11 and multiunit outlet 12 on the box 1, be provided with filter screen 13 on the water inlet 11, be provided with box lid 2 on the box 1, be fixed with multiunit clip formula electrode 3 under the box lid 2, multiunit clip formula electrode 3's negative pole and positive pole pin are passed through box lid 2 connects cathode rail 4 and positive pole rail 5 respectively, clip formula electrode 3 is provided with intermediate layer diaphragm and negative pole piece, positive pole piece.
The case 1 is a cuboid, a plurality of groups of clip-type electrodes 3 are arranged on the case cover 2 along the long axis direction of the case 1 and are fixedly connected, cathode pins and anode pins of the clip-type electrodes 3 penetrate through the case cover 2 and are respectively connected with a cathode rail 4 and an anode rail 5 outside the case cover 2, the cathode rail 4 is connected with cathode pins of all the clip-type electrodes 3, and the anode rail 5 is connected with anode pins of all the clip-type electrodes 3. The clamping piece type electrode 3 is provided with an interlayer diaphragm, a cathode piece and an anode piece.
In one possible embodiment, the interlayer diaphragm is arranged between the cathode plate and the anode plate, and the interlayer diaphragm is closely attached to the cathode plate and the anode plate.
The sandwich electrode is exemplified by combining the electrode, the diaphragm and the electrode in the order of the electrode, the diaphragm and the electrode, ensuring that the electrode is in direct contact with the diaphragm, no clear gap exists in the middle, and when a single-chamber electrolysis system is used, the diaphragm only plays a role in separating two poles and does not play a role in separating liquid in the tank body 1. At this time, the sandwich electrode is directly placed in the electrolytic tank, low-conductivity organic wastewater is added, and after the electrodes on two sides of the diaphragm are respectively connected with the power output electrodes, the electrolysis can be started. At this time, after the electrodes on the two sides of the diaphragm are respectively connected with the power output poles, the organic wastewater with low conductivity is introduced into the anode chamber, and proper liquid can be selected in the cathode chamber according to actual conditions to assist in completing the electrolysis process, wherein the power used can be a common power supply which can not complete electrode polarity inversion or an inverted power supply with electrode polarity inversion. When a common power supply is used, both electrodes used have well-defined anode and cathode properties. When using an inverted power supply, the two electrodes used do not have well-defined anode and cathode properties.
The low-conductivity organic wastewater refers to low salt content, namely the salt content of a solution is lower than 0.01g/L (the conductivity is less than or equal to 100 mu s/cm).
Among the sandwich electrodes, electrode materials that can be used as both an anode and a cathode include carbon electrodes (graphite electrodes, boron-doped diamond electrodes, etc.), noble metal electrodes, metal oxide electrodes (particularly, metal oxide electrodes of the titanium matrix series), and defective titanium oxide electrodes, etc.
Electrode materials that can only be used as a cathode include titanium base metal oxide electrodes, graphite electrodes, iron electrodes, stainless steel electrodes, copper electrodes, and the like.
Electrode materials that can only be used as a cathode include titanium base metal oxide electrodes, graphite electrodes, iron electrodes, stainless steel electrodes, copper electrodes, and the like.
In the sandwich electrode, the sandwich membrane is a membrane with ion exchange capability, preferably a Nafion perfluorinated sulfonic acid membrane.
The power supply used can be a direct current constant voltage power supply, a direct current constant current power supply, a direct current pulse power supply and a direct current inverted pole power supply.
In one possible embodiment, the filter 13 is screwed to the water inlet 11.
In one possible embodiment, as shown in fig. 2, the box body 1 and the box body cover 2 are correspondingly provided with screw holes, the box body 1 and the box body cover 2 are connected through box cover nuts 21 and the screw holes, a sealing ring is arranged at the joint of the box body 1 and the box body cover 2, a plurality of electrolysis chambers are arranged in the box body 1 corresponding to a plurality of groups of clamping type electrodes 3, each electrolysis chamber is provided with a water inlet 11 and a water outlet 12, and the clamping type electrodes 3 are in sealing fit with the corresponding electrolysis chambers along a contact surface.
Illustratively, a plurality of electrolysis chambers are disposed in the case 1, each electrolysis chamber and the corresponding clip electrode 3 form an electrolysis system, and each electrolysis system is provided with a dedicated water inlet 11 and a dedicated water outlet 12.
In one possible embodiment, the cathode tab pin of the clip electrode 3 is connected to the cathode conductive strip 41 on the cathode rail 4, and the anode tab pin of the clip electrode 3 is connected to the anode conductive strip 51 on the anode rail 5.
The clip electrode 3 is illustratively connected to the cathode conductive strip 41 on the cathode rail 4 and the anode conductive strip 51 on the anode rail 5 through pins of the cathode and anode electrodes, and when a power supply is connected to the interface between the cathode rail 4 and the anode rail 5, the clip electrode 3 is made to conduct electricity through the pins of the cathode and anode electrodes, so that the clip electrode 3 works normally.
In one possible embodiment, the drain opening 12 is provided with a shut-off valve.
Illustratively, the shut-off valve is used to stop the flow of purified water, facilitating the reaction.
In a possible embodiment, the cathode conductive strip 41 is fixedly arranged at the bottom of the cathode rail 4, the anode conductive strip 51 is fixedly arranged at the bottom of the anode rail 5, and the cathode rail 4 and the anode rail 5 are fixedly welded on the box cover 2 along the long axis of the box cover 2.
Illustratively, the cathode rail 4 and the anode rail 5 are fixed to the case cover 2, and are electrically conductive via the cathode conductive strip 41 and the anode conductive strip 51.
In one possible embodiment, as shown in fig. 3, a conductive interface is disposed at one end of the cathode rail 4 and the anode rail 5 near the water inlet 11, a cable fixing screw 6 is disposed on the conductive interface, the cable fixing screw 6 on the cathode rail 4 is connected to the cathode conductive strip 41, and the cable fixing screw 6 on the anode rail 5 is connected to the anode conductive strip 51.
Illustratively, the cable fixing screws 6 are used to fix cables of a power source to the cathode rail 4 and the anode rail 5.
In one possible embodiment, in the clip-type electrode 3, the anode is a boron-doped diamond electrode (effective size 5cm×5 cm), and the separator isThe N324 ion exchange membrane (effective size is same as anode) and the cathode is a stainless steel electrode (effective size is same as anode). The electrode system is used for degrading acid red G (a synthetic dye). The electrolysis conditions were as follows: the organic concentration was 100mg/L, and the electrolyte conditions used were municipal water supply (conductivity less than 50. Mu.s/cm), current value 1A, and cell voltage 7.28V. When the electrolysis is carried out for 40min, the solution is completely decolorized; when the electrolysis is carried out for 90min, the COD value of the solution is completely removed, and the electrolysis energy consumption value is 30kWh/m 3 。
In one possible embodiment, in the clip-type electrode 3, the anode is a boron-doped diamond electrode (effective size 5cm×5 cm), and the separator isThe N324 ion exchange membrane (with effective size same as anode) and the cathode is a stainless steel electrode (with effective size same as anode), and the electrode system is adopted to degrade acid red G. The electrolysis conditions were the same as in example 1 except that the electrolyte used was changed from municipal water supply to distilled water (conductivity: 10-150. Mu.s/cm). The cell voltage under this condition was 9.5V. When the electrolysis is carried out for 60min, the solution is completely decolorized; when the electrolysis is carried out for 150min, the COD value of the solution is completely removed, and the electrolysis energy consumption value is 21kWh/m 3 。
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An interlayer type electrode wastewater degradation device, comprising: the novel water tank is characterized in that a plurality of groups of water inlets (11) and a plurality of groups of water outlets (12) are formed in the tank (1), a filter screen (13) is arranged on the water inlets (11), a tank cover (2) is arranged on the tank (1), a plurality of groups of clip type electrodes (3) are fixed under the tank cover (2), a plurality of groups of the clip type electrodes (3) are connected with a cathode rail (4) and an anode rail (5) through the tank cover (2) respectively by cathode pins and anode pins, and the clip type electrodes (3) are provided with an interlayer diaphragm, a cathode plate and an anode plate.
2. The sandwiched electrode wastewater degradation device according to claim 1, wherein the sandwiched membrane is disposed between the cathode sheet and the anode sheet, and the sandwiched membrane is tightly attached to the cathode sheet and the anode sheet.
3. The sandwiched electrode wastewater degradation device according to claim 1, wherein the filter screen (13) is screwed with the water inlet (11).
4. The sandwiched electrode wastewater degradation device according to claim 1, wherein screw holes are correspondingly formed in the box body (1) and the box body cover (2), the box body (1) is connected with the box body cover (2) through box cover nuts (21) and the screw holes, sealing rings are arranged at joints of the box body (1) and the box body cover (2), a plurality of electrolysis chambers are correspondingly formed in the box body (1) in a plurality of groups corresponding to the clamping piece type electrodes (3), water inlets (11) and water outlets (12) are respectively formed in each electrolysis chamber, and the clamping piece type electrodes (3) are in sealing fit with the corresponding electrolysis chambers along contact surfaces.
5. The sandwiched electrode waste water degradation apparatus of claim 1, wherein the cathode tab pin of the clip electrode (3) is connected to the cathode conductive strip (41) on the cathode rail (4), and the anode tab pin of the clip electrode (3) is connected to the anode conductive strip (51) on the anode rail (5).
6. The sandwiched electrode waste water degradation apparatus of claim 1, wherein a shut-off valve is provided on the drain port (12).
7. The sandwiched electrode waste water degradation apparatus as claimed in claim 5, wherein said cathode conductive strip (41) is fixedly disposed at the bottom of said cathode rail (4), said anode conductive strip (51) is fixedly disposed at the bottom of said anode rail (5), and said cathode rail (4) and said anode rail (5) are fixedly welded to said housing cover (2) along the long axis of said housing cover (2).
8. The sandwiched electrode wastewater degradation device according to claim 7, wherein one end of the cathode rail (4) and one end of the anode rail (5) are provided with conductive interfaces, and the conductive interfaces are provided with cable fixing screws (6).
9. The sandwiched electrode waste water degradation device according to claim 8, wherein said cable set screw (6) on said cathode rail (4) is connected to said cathode conductive strip (41), and said cable set screw (6) on said anode rail (5) is connected to said anode conductive strip (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321413205.3U CN220201566U (en) | 2023-06-05 | 2023-06-05 | Sandwich type electrode wastewater degradation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321413205.3U CN220201566U (en) | 2023-06-05 | 2023-06-05 | Sandwich type electrode wastewater degradation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220201566U true CN220201566U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321413205.3U Active CN220201566U (en) | 2023-06-05 | 2023-06-05 | Sandwich type electrode wastewater degradation device |
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| Country | Link |
|---|---|
| CN (1) | CN220201566U (en) |
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- 2023-06-05 CN CN202321413205.3U patent/CN220201566U/en active Active
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