CN210176665U - Electrocatalytic oxidation treatment system for domestic sewage - Google Patents
Electrocatalytic oxidation treatment system for domestic sewage Download PDFInfo
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- CN210176665U CN210176665U CN201821859099.0U CN201821859099U CN210176665U CN 210176665 U CN210176665 U CN 210176665U CN 201821859099 U CN201821859099 U CN 201821859099U CN 210176665 U CN210176665 U CN 210176665U
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Abstract
The utility model discloses an electrocatalytic oxidation treatment system for domestic sewage, which comprises a sewage storage tank, a filter, an electrocatalytic oxidation device and a biochemical treatment device; the sewage storage tank is connected with the filter, the electrocatalytic oxidation device is used for carrying out oxidation treatment on the sewage, and the water outlet of the electrocatalytic oxidation device is connected with the biochemical treatment device; the electrocatalytic oxidation device comprises a shell, wherein an upper water passing plate and a lower water passing plate are horizontally arranged in the shell to divide the shell into an upper water inlet area, an electrolysis area and a lower water outlet area from top to bottom; the electrolytic cell is provided with an electrode plate and an electrocatalytic oxidation auxiliary agent in an electrolytic area, the upper water passing plate is a mesh-shaped insulating plate, the upper surface and the lower surface of the insulating plate are both provided with a filter cotton layer, and the lower water passing plate is a perforated insulating plate for supporting the electrode plate and the electrocatalytic oxidation auxiliary agent; an aeration device is arranged in the lower water outlet area. The utility model has the advantages of high-efficient sterilization, strong decontamination, etc.
Description
Technical Field
The utility model relates to a sewage treatment technology, concretely relates to domestic sewage electrocatalytic oxidation treatment system.
Background
Domestic sewage is discharged into a water environment without treatment, so that the natural purification process and ecological balance of the water environment can be damaged, algae can excessively grow and breed, and eutrophication can occur. At present, the biological degradation method and the physical and chemical method are mainly adopted for treating the organic pollutants in the sewage, the biological degradation method is most widely applied to treating domestic sewage at present, but the problems that the biological degradation organic matters are difficult to remove, the biological degradation organic matters are limited by the growth characteristics of microorganisms, the biological domestication time is long and the like exist. The physical chemistry needs to add flocculating agent, oxidant and other medicines, the process flow is complex, the regenerated waste liquid is not easy to treat, secondary pollution is easy to cause and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to solve the not enough of above-mentioned prior art, provide a domestic sewage electrocatalytic oxidation treatment system.
In order to solve the technical problem, the utility model discloses a technical scheme be: an electrocatalytic oxidation treatment system for domestic sewage comprises a sewage storage tank, a filter, an electrocatalytic oxidation device and a biochemical treatment device; the sewage storage tank is connected with a filter, the filter is used for filtering particles and flocculates in sewage, the water outlet of the filter is connected with an electrocatalytic oxidation device, the electrocatalytic oxidation device is used for carrying out oxidation treatment on the sewage, and the water outlet of the electrocatalytic oxidation device is connected with a biochemical treatment device; the electrocatalytic oxidation device comprises a shell, wherein an upper water passing plate and a lower water passing plate are horizontally arranged in the shell to divide the shell into an upper water inlet area, an electrolysis area and a lower water outlet area from top to bottom; the electrolytic cell is provided with an electrode plate and an electrocatalytic oxidation auxiliary agent in an electrolytic area, the upper water passing plate is a mesh-shaped insulating plate, the upper surface and the lower surface of the insulating plate are both provided with a filter cotton layer, and the lower water passing plate is a perforated insulating plate for supporting the electrode plate and the electrocatalytic oxidation auxiliary agent; an aeration device is arranged in the lower water outlet area.
Furthermore, the biochemical oxidizer is also provided with a return pipeline which is connected with the electric catalytic oxidizer.
Furthermore, the electrocatalytic oxidation auxiliary agent is cylindrical and is honeycomb-shaped.
Further, the surface of the electrode plate is plated with a ruthenium titanium layer.
Further, biochemical treatment device includes the MBBR treatment area, still imbeds heterogeneous circulation module in the MBBR treatment area, heterogeneous circulation module includes the box, is provided with bio-packing layer and aeration equipment in the box, and the bottom half is provided with the sewage that the inlet port supplied in the MBBR treatment pond and gets into, aeration equipment is used for upwards promoting the sewage of heterogeneous circulation module bottom to the aeration back-fall to bio-packing layer in the air, still is provided with the backwash pump in heterogeneous circulation module below, and the backwash pump is connected the return line and will be through the sewage backward flow of heterogeneous circulation module processing to the MBBR treatment pond, and the box top is provided with liquid discharge port.
According to the above technical scheme, the utility model has the advantages of it is following: has the advantages of high-efficiency sterilization, strong decontamination property and the like; the filter cotton layer is arranged, so that the problem of uneven water distribution of the conventional electrocatalytic oxidation reactor is solved, the problem of uneven water flow turning, diversion and electrolysis is reduced, and the treatment effect is good.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic structural view of a medium electric catalytic oxidizer according to the present invention;
FIG. 3 is a schematic structural view of the biochemical treatment apparatus of the present invention.
Detailed Description
The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.
As shown in figure 1, the utility model discloses an electrocatalytic oxidation treatment system for domestic sewage, which comprises a sewage storage tank, a filter, an electrocatalytic oxidation device and a biochemical treatment device; the sewage storage tank is connected with a filter, the filter is used for filtering particles and flocculates in sewage, the water outlet of the filter is connected with an electrocatalytic oxidation device, the electrocatalytic oxidation device is used for carrying out oxidation treatment on sewage, and the water outlet of the electrocatalytic oxidation device is connected with a biochemical treatment device.
As shown in fig. 2, the electrocatalytic oxidation device comprises a shell, wherein an upper water passing plate 35 and a lower water passing plate 28 are horizontally arranged in the shell to divide the shell into an upper water inlet area, an electrolysis area and a lower water outlet area from top to bottom; the electrolytic area is provided with an electrode plate 36 and an electrocatalytic oxidation auxiliary agent 37, the electrocatalytic oxidation auxiliary agent can be cylindrical and honeycomb-shaped, the structure is changed, the contact surface with water is large, the water body flow is not blocked, and the surface of the electrode plate is plated with a ruthenium titanium layer. . The upper water passing plate is a mesh-shaped insulating plate, the upper surface and the lower surface of the insulating plate are both provided with a filter cotton layer 34, and the lower water passing plate is a perforated insulating plate for supporting the electrode plate and the electrocatalytic oxidation auxiliary agent; an aeration device 31 is arranged in the lower water outlet area. The upper water inlet area is provided with a water distribution pipe 32, and the lower water outlet area is provided with a water outlet 39. The filter cotton layer is arranged, so that the problem of uneven water distribution of the conventional electrocatalytic oxidation reactor is solved, and the problem of uneven water flow turning, diversion and electrolysis is reduced.
As shown in FIG. 3, the biochemical treatment device comprises a contact oxidation zone 22 and a multiphase circulation module 212, wherein the bottom of the contact oxidation zone 22 is provided with a microporous aeration disc 211, a suspension type filler 210 is arranged in the contact oxidation zone, and wastewater enters the sewage treatment system after being subjected to front-stage pretreatment and anaerobic treatment. At the initial stage of debugging, the dominant flora is absent in the system. The sewage firstly stays in the contact oxidation tank for a short time, and is quickly oxygenated and mixed under the aeration action of the microporous aeration disc.
The bottom of the multiphase circulation module 212 is communicated with the contact oxidation area, and the multiphase circulation module can be directly embedded into the contact oxidation tank, and the multiphase circulation module comprises a box body 23, wherein a biological filler plate 28 and an aeration device 25 are arranged in the box body 23, the aeration device is used for lifting the sewage at the bottom of the multiphase circulation module upwards to the air for aeration and then dropping back to the biological filler plate 28, and the biological filler plate 28 is honeycomb and is obliquely arranged. Still be provided with the backwash pump 27 below heterogeneous circulation module, backwash pump 27 is connected return line 21 and will is through the sewage backward flow of heterogeneous circulation module processing to contact oxidation pond 22, and the railway carriage or compartment body top is provided with liquid discharge port 26, and liquid discharge port 26 can also connect a return line and flow back liquid to the electro-catalytic oxidation ware, carries out circulation treatment.
Claims (5)
1. The utility model provides a domestic sewage electricity catalytic oxidation processing system which characterized in that: comprises a sewage storage tank, a filter, an electrocatalytic oxidation device and a biochemical treatment device; the sewage storage tank is connected with a filter, the filter is used for filtering particles and flocculates in the sewage, the water outlet of the filter is connected with an electrocatalytic oxidation device, the electrocatalytic oxidation device is used for carrying out oxidation treatment on the sewage, and the water outlet of the electrocatalytic oxidation device is connected with a biochemical treatment device; the electrocatalytic oxidation device comprises a shell, wherein an upper water passing plate and a lower water passing plate are horizontally arranged in the shell to divide the shell into an upper water inlet area, an electrolysis area and a lower water outlet area from top to bottom; an electrode plate and an electrocatalytic oxidation auxiliary agent are arranged in the electrolysis region; the upper water inlet area is provided with a water inlet, the upper water passing plate is a mesh-shaped insulating plate, the upper surface and the lower surface of the insulating plate are both provided with a filter cotton layer, and the lower water passing plate is a perforated insulating plate for supporting an electrode plate and an electrocatalytic oxidation auxiliary agent; an aeration device and a water outlet are arranged in the lower water outlet area.
2. The electrocatalytic oxidation treatment system for domestic sewage according to claim 1, wherein: the biochemical treatment device is also provided with a return pipeline which is connected with an electric catalytic oxidizer.
3. The electrocatalytic oxidation treatment system for domestic sewage according to claim 1, wherein: the electrocatalytic oxidation auxiliary agent is cylindrical and is honeycomb-shaped.
4. The electrocatalytic oxidation treatment system for domestic sewage according to claim 1, wherein: the surface of the electrode plate is plated with a ruthenium titanium layer.
5. The electrocatalytic oxidation treatment system for domestic sewage according to claim 1, wherein: the biochemical treatment device comprises a contact oxidation area and a multiphase circulation module, a micropore aeration disc is arranged at the bottom of the contact oxidation area, a filler is further arranged in a contact oxidation tank, the bottom of the multiphase circulation module is communicated with the contact oxidation area, the multiphase circulation module comprises a box body, a biological filler plate and an aeration device are arranged in the box body, the aeration device is used for lifting sewage at the bottom of the multiphase circulation module upwards to the air and then dropping back to the biological filler plate after aeration, a reflux pump is further arranged below the multiphase circulation module, the reflux pump is connected with a reflux pipeline to enable the sewage treated by the multiphase circulation module to flow back to the contact oxidation tank, and a liquid discharge port is formed in the top of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859099.0U CN210176665U (en) | 2018-11-13 | 2018-11-13 | Electrocatalytic oxidation treatment system for domestic sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821859099.0U CN210176665U (en) | 2018-11-13 | 2018-11-13 | Electrocatalytic oxidation treatment system for domestic sewage |
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| CN210176665U true CN210176665U (en) | 2020-03-24 |
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| CN201821859099.0U Active CN210176665U (en) | 2018-11-13 | 2018-11-13 | Electrocatalytic oxidation treatment system for domestic sewage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045115A (en) * | 2021-03-12 | 2021-06-29 | 南通寰宇博新化工环保科技有限公司 | Landfill leachate treatment method based on electrocatalytic oxidation coupled biochemistry |
| CN113636694A (en) * | 2021-09-07 | 2021-11-12 | 北京国电富通科技发展有限责任公司 | Transformer substation/convertor station domestic sewage treatment system and treatment method |
| CN114988621A (en) * | 2022-06-18 | 2022-09-02 | 重庆满翼环保科技有限公司 | Catalytic oxidation device and method for treating gas field wastewater |
-
2018
- 2018-11-13 CN CN201821859099.0U patent/CN210176665U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045115A (en) * | 2021-03-12 | 2021-06-29 | 南通寰宇博新化工环保科技有限公司 | Landfill leachate treatment method based on electrocatalytic oxidation coupled biochemistry |
| CN113636694A (en) * | 2021-09-07 | 2021-11-12 | 北京国电富通科技发展有限责任公司 | Transformer substation/convertor station domestic sewage treatment system and treatment method |
| CN114988621A (en) * | 2022-06-18 | 2022-09-02 | 重庆满翼环保科技有限公司 | Catalytic oxidation device and method for treating gas field wastewater |
| CN114988621B (en) * | 2022-06-18 | 2023-09-26 | 重庆满翼环保科技有限公司 | Catalytic oxidation device and method for gas field wastewater treatment |
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