CN220149356U - Electroplating comprehensive wastewater COD treatment device - Google Patents
Electroplating comprehensive wastewater COD treatment device Download PDFInfo
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- CN220149356U CN220149356U CN202321105697.XU CN202321105697U CN220149356U CN 220149356 U CN220149356 U CN 220149356U CN 202321105697 U CN202321105697 U CN 202321105697U CN 220149356 U CN220149356 U CN 220149356U
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- oxidation
- tank
- case
- electroplating
- treatment device
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- 238000009713 electroplating Methods 0.000 title claims abstract description 33
- 239000002351 wastewater Substances 0.000 title claims abstract description 30
- 230000003647 oxidation Effects 0.000 claims description 54
- 238000007254 oxidation reaction Methods 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 16
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 6
- 230000009193 crawling Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an electroplating comprehensive wastewater COD treatment device, which particularly relates to the technical field of electroplating wastewater treatment. The utility model solves the problems that the existing wastewater treatment system has low decontamination effect, the adopted medicament can not thoroughly and effectively decompose pollutants, and finally the discharged water can cause secondary pollution.
Description
Technical Field
The utility model belongs to the technical field of electroplating wastewater treatment, and particularly relates to a COD (chemical oxygen demand) treatment device for electroplating comprehensive wastewater.
Background
In electroplating wastewater, due to differences of plating part types and process selection, the electroplating wastewater has complex components and great water quality change, and mainly contains a large amount of heavy metal ions, refractory organic matters, highly toxic substances and the like, for the treatment of the wastewater, the COD in the wastewater can not be treated by microorganisms, and common treatment methods mainly oxidize the COD in the wastewater by oxidants, including Fenton oxidation method, adsorption method, membrane method, electrocatalytic oxidation method and the like.
Traditional effluent disposal system is low in decontamination effect when using, and the medicament of adoption can't thoroughly effectual decompose the pollutant, and the water of discharging can cause secondary pollution at last, because processing system degree of automation is low, needs the manual operation of user, not only troublesome operation but also appears the unstable condition of water easily.
Disclosure of Invention
The utility model provides a COD treatment device for electroplating comprehensive wastewater, which aims to solve the problems that the pollution removal effect is low, the adopted medicament cannot thoroughly and effectively decompose pollutants when the conventional wastewater treatment system is used, and finally the discharged water can cause secondary pollution.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides an electroplating integrated wastewater COD processing apparatus, includes first oxidation case and second oxidation case, the reaction tank is installed to first oxidation case bottom, be connected with hydrogen peroxide solution feed liquor pipe on the reaction tank, the intercommunication has the transfer line between first oxidation case and the second oxidation case, the intercommunication has ozone intake pipe on the reaction tank, the drain pipe is installed at second oxidation case top, holding case is installed to the bottom of drain pipe, install the pressure valve on the drain pipe.
Principle and effect of the technology: the electroplating wastewater is injected into a first oxidation tank, first oxidation treatment is carried out through hydrogen peroxide, then the electroplating wastewater is input into a second oxidation tank, treatment is carried out again through ozone, and then the treated electroplating wastewater is discharged into a containing tank.
Further, a plurality of support frames are arranged at the bottom of the first oxidation tank, and a ladder stand is arranged on the side wall of the first oxidation tank.
By adopting the scheme, the operator can conveniently observe the top of the first oxidation tank.
Further, a transfer pump is mounted on the transfer tube.
By adopting the scheme, the electroplating wastewater in the first oxidation tank can be rapidly conveyed into the second oxidation tank.
Further, the feed liquor case is installed at the top of first oxidation case, install the filtration grid in the feed liquor case, the division board that is located the inside of first oxidation case is installed to the bottom of feed liquor case, the division board is divided into two cavities of bottom intercommunication with first oxidation case.
By adopting the scheme, the electroplating wastewater can be primarily filtered.
Further, the conveying pipe is communicated with the side wall of the first oxidation tank far away from the liquid inlet tank.
By adopting the scheme, the electroplating wastewater entering the second wastewater tank can pass through enough reaction time.
Compared with the prior art, the utility model has the beneficial effects that: through setting up the filtration grid on the feed liquor case, can carry out a preliminary filtration to the electroplating effluent who gets into inside the first oxidation case, then thoroughly handle electroplating effluent through first oxidation case and second oxidation case to play the effect of scrubbing to electroplating effluent.
Drawings
FIG. 1 is a schematic diagram of a COD treatment device for electroplating integrated wastewater;
in the figure: 1. a first oxidation tank; 2. a second oxidation tank; 3. a reaction box; 4. a hydrogen peroxide liquid inlet pipe; 5. a support frame; 6. a liquid inlet box; 7. a filter grid; 8. a ladder stand; 9. an ozone inlet pipe; 10. a liquid outlet pipe; 11. a pressure valve; 12. a containing box; 13. a transfer tube.
Detailed Description
The following is a detailed description of the embodiments.
Examples: as shown in fig. 1, the electroplating integrated wastewater COD treatment device comprises a first oxidation tank 1 and a second oxidation tank 2, wherein a crawling ladder 8 is connected to the side wall of the first oxidation tank 1 through bolts, and six supporting frames 5 are arranged at intervals and are connected with the bottom of the first oxidation tank 1 through bolts. The top welding of first oxidation case 1 has feed liquor case 6, and feed liquor case 6 internally mounted has filtration grid 7, and filtration grid 7 can carry out a preliminary filtration to electroplating effluent. The bottom of the filter grid 7 is connected with a partition plate positioned in the first oxidation tank 1 by bolts, and the partition plate divides the interior of the first oxidation tank 1 into two chambers with communicated bottoms. The bottom of the first oxidation tank 1 is provided with a reaction tank 3 with a conical cross section, and the reaction tank 3 is communicated with a hydrogen peroxide solution inlet pipe 4. A conveying pipe 13 is communicated between the first oxidation tank 1 and the second oxidation tank 2, a conveying pump is arranged in the conveying pipe 13, one end of the conveying pipe 13 is communicated with the side wall of the first oxidation tank 1 far away from the liquid inlet tank 6, and the other end of the conveying pipe 13 is communicated with the side wall of the second oxidation tank 2. The side wall of the second oxidation tank 2 is communicated with an ozone inlet pipe 9, the top of the second oxidation tank 2 is communicated with a liquid outlet pipe 10, a delivery pump is also installed in the liquid outlet pipe 10, a pressure valve 11 is installed on the liquid outlet pipe 10, and a containing tank 12 is arranged at the bottom of the liquid outlet pipe 10.
During operation, electroplating wastewater to be treated is injected into the liquid inlet box 6, and the filtering grid 7 in the liquid inlet box 6 can perform preliminary filtering on the electroplating wastewater. Then hydrogen peroxide is fed into and discharged from the first oxidation tank 1 through the hydrogen peroxide feed pipe 4, and then electroplating wastewater and hydrogen peroxide react in the reaction tank 3. Then, the electroplating wastewater is fed into the second oxidation tank 2 through the transfer pipe 13, and at this time, ozone is injected into the second oxidation tank 2, thereby further treating the electroplating wastewater. The treated electroplating effluent may then be fed into the bin 12 through the outlet pipe 10.
The foregoing description of the embodiments of the present utility model will not be repeated for all common sense of specific construction and characteristics known in the art, and it should be noted that, for those skilled in the art, modifications and improvements can be made without departing from the construction of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. The utility model provides an electroplating integrated wastewater COD processing apparatus, includes first oxidation case (1) and second oxidation case (2), its characterized in that: the reaction tank is characterized in that the reaction tank (3) is arranged at the bottom of the first oxidation tank (1), the hydrogen peroxide liquid inlet pipe (4) is connected to the reaction tank (3), a conveying pipe (13) is communicated between the first oxidation tank (1) and the second oxidation tank (2), an ozone air inlet pipe (9) is communicated to the reaction tank (3), a liquid outlet pipe (10) is arranged at the top of the second oxidation tank (2), a containing tank (12) is arranged at the bottom of the liquid outlet pipe (10), and a pressure valve (11) is arranged on the liquid outlet pipe (10).
2. The electroplating integrated wastewater COD treatment device of claim 1, wherein: a plurality of supporting frames (5) are arranged at the bottom of the first oxidation tank (1), and a crawling ladder (8) is arranged on the side wall of the first oxidation tank (1).
3. The electroplating integrated wastewater COD treatment device of claim 1, wherein: the conveying pipe (13) is provided with a conveying pump.
4. The electroplating integrated wastewater COD treatment device of claim 1, wherein: the top of first oxidation case (1) is installed feed liquor case (6), install filtration grid (7) in feed liquor case (6), the division board that is located inside first oxidation case (1) is installed to the bottom of feed liquor case (6), the division board is divided into two cavities of bottom intercommunication with first oxidation case (1).
5. The electroplating integrated wastewater COD treatment device according to claim 4, wherein: the conveying pipe (13) is communicated with the side wall of the first oxidation tank (1) far away from the liquid inlet tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321105697.XU CN220149356U (en) | 2023-05-10 | 2023-05-10 | Electroplating comprehensive wastewater COD treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321105697.XU CN220149356U (en) | 2023-05-10 | 2023-05-10 | Electroplating comprehensive wastewater COD treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149356U true CN220149356U (en) | 2023-12-08 |
Family
ID=89021291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321105697.XU Active CN220149356U (en) | 2023-05-10 | 2023-05-10 | Electroplating comprehensive wastewater COD treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149356U (en) |
-
2023
- 2023-05-10 CN CN202321105697.XU patent/CN220149356U/en active Active
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