CN212799918U - Advanced oxidation treatment system - Google Patents
Advanced oxidation treatment system Download PDFInfo
- Publication number
- CN212799918U CN212799918U CN202020795148.XU CN202020795148U CN212799918U CN 212799918 U CN212799918 U CN 212799918U CN 202020795148 U CN202020795148 U CN 202020795148U CN 212799918 U CN212799918 U CN 212799918U
- Authority
- CN
- China
- Prior art keywords
- tank
- oxidation tower
- dosing device
- pam
- treatment system
- 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.)
- Active
Links
Images
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model provides an advanced oxidation treatment system, include: middle pond, oxidation tower, degasification pond, mixing tank, concentrated sulfuric acid charge device, ferrous sulfate charge device, hydrogen peroxide solution charge device, liquid caustic soda charge device and PAM charge device, the output in middle pond with the input intercommunication of oxidation tower, the output of oxidation tower links to each other with the input of degasification pond, degasification pond still communicates with mixing tank. The utility model discloses a sewage treatment efficiency is high, and area is little, and the waste water treatment cost is lower simultaneously.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an advanced oxidation treatment system.
Background
In recent years, with the rapid development of economy, the paper making industry is rapidly developed, and because the sewage discharge amount in the paper making process is large, the produced pollutants are more, the problem of environmental pollution is increasingly prominent, and the treatment of the paper making wastewater becomes the focus of attention.
At present, the discharge amount of wastewater and COD discharge amount of the paper-making industry in China are the first of the discharge amounts of various industries, the pollution of the paper-making industry to water environment is the most serious, and the pollution prevention and control method not only has the first problem of pollution prevention and control of the paper-making industry in China, but also is the first problem of standard treatment of industrial wastewater in China. Therefore, the existing papermaking wastewater must be subjected to advanced treatment.
In the prior art, the treatment methods of papermaking sewage mainly comprise the following steps:
1. a physical and chemical method:
firstly, a coagulating sedimentation and filtering method: the method is difficult to achieve that the COD of the effluent is less than or equal to 60mg/l, and the generated sludge amount is large;
adsorption with activated carbon: the investment and the operation cost are high, and the operation is inconvenient;
2. membrane separation method: the investment and the operating cost of the equipment of the method are high;
3. an oxidation method: the operating cost generated by the method is higher than 1.5 yuan/ton water;
4. physicochemical-biochemical combined processes, such as the combination of an electrochemical technology and an aeration biological filter technology, are limited to laboratory pilot scale tests, and large-scale engineering application is not reported.
Therefore, it is very important to research the sewage treatment technology with stable sewage treatment effect and low operation cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides an advanced oxidation treatment system, through carrying out technical transformation to existing equipment, solved current sewage treatment device running cost height, the problem of inefficiency.
In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme:
an advanced oxidation treatment system comprising: the system comprises an intermediate tank, an oxidation tower, a degassing tank, a mixing tank, a concentrated sulfuric acid dosing device, a ferrous sulfate dosing device, a hydrogen peroxide dosing device, a liquid caustic soda dosing device and a PAM dosing device, wherein the output end of the intermediate tank is communicated with the input end of the oxidation tower, the output end of the oxidation tower is connected with the input end of the degassing tank, and the degassing tank is also communicated with the mixing tank;
the top of the middle tank is provided with a concentrated sulfuric acid medicine inlet and a ferrous sulfate medicine inlet, the concentrated sulfuric acid medicine inlet is connected with a concentrated sulfuric acid medicine adding device, and the ferrous sulfate medicine inlet is communicated with a ferrous sulfate medicine adding device;
a hydrogen peroxide inlet is formed in the top of the oxidation tower and is communicated with a hydrogen peroxide dosing device;
the top of the degassing pool is provided with a liquid caustic soda feed inlet which is communicated with a liquid caustic soda dosing device;
the top of mixing the pond is provided with PAM and advances the medicine mouth, PAM advances medicine mouth and PAM charge device intercommunication.
Compared with the prior art, the utility model discloses following beneficial effect has:
when the utility model is used for sewage treatment, the paper-making wastewater stored in the intermediate tank is added with concentrated sulfuric acid to adjust the pH value of the water to be acidic, and is mixed with ferrous sulfate as a catalyst, and then is lifted and conveyed to an oxidation tower, then adding an oxidant H2O2 into the oxidation tower by a hydrogen peroxide feeding device to generate Fenton reaction (oxidation reaction), oxidizing and decomposing organic pollutants in the wastewater, enabling the wastewater from the oxidation tower to pass through a degassing pool, adding liquid caustic soda into the degassing pool by a liquid caustic soda feeding device to adjust the pH value to be neutral, removing a small amount of bubbles in the wastewater, and discharging the wastewater to a rear mixing pool, PAM (polyacrylamide) is a common flocculant for sewage treatment and is mainly used for coagulation and flocculation through a PAM dosing device in a mixing tank, the coagulant aid is flocculated with iron mud generated in the Fenton reaction process to form sludge sediment, and sewage in the mixing tank is discharged to a subsequent sedimentation tank for sedimentation. The utility model discloses a sewage treatment efficiency is high, and area is little, and the waste water treatment cost is lower simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises an intermediate tank 1, an oxidation tower 2, a degassing tank 3, a mixing tank 4, a concentrated sulfuric acid dosing device 5, a ferrous sulfate dosing device 6, a hydrogen peroxide dosing device 7, a liquid caustic soda dosing device 8, a PAM dosing device 9, a concentrated sulfuric acid dosing port 10, a ferrous sulfate dosing port 11, a hydrogen peroxide dosing port 12, a liquid caustic soda dosing port 13, a PAM dosing port 14, a lifting pipeline 15, a lifting pump 16, a circulating pump 17 and a water outlet pipe 18.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1, the present embodiment provides an advanced oxidation processing system including: the device comprises an intermediate tank 1, an oxidation tower 2, a degassing tank 3, a mixing tank 4, a concentrated sulfuric acid dosing device 5, a ferrous sulfate dosing device 6, a hydrogen peroxide dosing device 7, a liquid caustic soda dosing device 8 and a PAM dosing device 9, wherein the output end of the intermediate tank 1 is communicated with the input end of the oxidation tower 2, the output end of the oxidation tower 2 is connected with the input end of the degassing tank 3, and the degassing tank 3 is also communicated with the mixing tank 4;
the top of the intermediate tank 1 is provided with a concentrated sulfuric acid medicine inlet 10 and a ferrous sulfate medicine inlet 11, the concentrated sulfuric acid medicine inlet 10 is connected with a concentrated sulfuric acid medicine adding device 5, and the ferrous sulfate medicine inlet 11 is communicated with a ferrous sulfate medicine adding device 6;
a hydrogen peroxide inlet 12 is formed in the top of the oxidation tower 2, and the hydrogen peroxide inlet 12 is communicated with a hydrogen peroxide dosing device 7;
the top of the degassing tank 3 is provided with a liquid caustic soda feed inlet 13, and the liquid caustic soda feed inlet 13 is communicated with a liquid caustic soda dosing device 8;
the top of mixing tank 4 is provided with PAM and advances medicine mouth 14, PAM advances medicine mouth 14 and PAM charge device 9 intercommunication. PAM, namely polyacrylamide, is a commonly used flocculating agent in sewage treatment and is mainly used for coagulation and flocculation.
Further, a lifting pipeline 15 and a lifting pump 16 are erected between the bottom of the intermediate tank 1 and the top of the oxidation tower 2, and the lifting pump 16 is used for conveying the sewage in the intermediate tank 1 to the oxidation tower 2 along the lifting pipeline 15.
Further, in order to increase the time and efficiency of the oxidation reaction of the sewage, a circulating pump 17 is arranged at the bottom of the oxidation tower 2 in a communicating manner.
Further, in order to fully mix the ferrous sulfate in the sewage and increase the mixing efficiency, two ferrous sulfate dosing devices 6 are provided.
Further, in order to increase PAM mixing efficiency, there are two PAM feeding apparatuses 9.
Further, the output end of the mixing tank 4 is also connected with a water outlet pipe 18, and the water outlet pipe 18 is connected to a subsequent sedimentation tank.
In the sewage treatment of this embodiment, the paper-making wastewater stored in the intermediate tank 1 is added with concentrated sulfuric acid to adjust the pH of the water to be acidic, and is mixed with ferrous sulfate as a catalyst, and then is lifted and conveyed to the oxidation tower 2, then the hydrogen peroxide dosing device 7 adds an oxidant H2O2 into the oxidation tower 2 to perform a fenton reaction (oxidation reaction), so as to oxidize and decompose organic pollutants in the wastewater, the wastewater from the oxidation tower 2 passes through the degassing tank 3, the liquid alkali dosing device 8 adds liquid alkali into the degassing tank 3 to adjust the pH to be neutral, and removes a small amount of bubbles in the wastewater, then the wastewater is discharged to the rear mixing tank 4, the PAM dosing device 9 is arranged in the mixing tank 4, the PAM, i.e. polyacrylamide, is a flocculating agent commonly used in sewage treatment, and is mainly used for coagulation and flocculation, and the flocculating agent and iron sludge generated in the fenton reaction process to form sludge precipitation, and discharging the sewage in the mixing tank 4 to a subsequent sedimentation tank for sedimentation. The utility model discloses a sewage treatment efficiency is high, and area is little, and the waste water treatment cost is lower simultaneously.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts ripe bolt, rivet among the prior art. The conventional means such as welding, machines, parts and equipment are of the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the details are not described.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or through an intermediary, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Claims (6)
1. An advanced oxidation treatment system, comprising: the system comprises an intermediate tank, an oxidation tower, a degassing tank, a mixing tank, a concentrated sulfuric acid dosing device, a ferrous sulfate dosing device, a hydrogen peroxide dosing device, a liquid caustic soda dosing device and a PAM dosing device, wherein the output end of the intermediate tank is communicated with the input end of the oxidation tower, the output end of the oxidation tower is connected with the input end of the degassing tank, and the degassing tank is also communicated with the mixing tank;
the top of the middle tank is provided with a concentrated sulfuric acid medicine inlet and a ferrous sulfate medicine inlet, the concentrated sulfuric acid medicine inlet is connected with a concentrated sulfuric acid medicine adding device, and the ferrous sulfate medicine inlet is communicated with a ferrous sulfate medicine adding device;
a hydrogen peroxide inlet is formed in the top of the oxidation tower and is communicated with a hydrogen peroxide dosing device;
the top of the degassing pool is provided with a liquid caustic soda feed inlet which is communicated with a liquid caustic soda dosing device;
the top of mixing the pond is provided with PAM and advances the medicine mouth, PAM advances medicine mouth and PAM charge device intercommunication.
2. An advanced oxidation treatment system according to claim 1, wherein a lift pipe and a lift pump are erected between the bottom of the intermediate tank and the top end of the oxidation tower, and the lift pump is used for conveying the sewage in the intermediate tank to the oxidation tower along the lift pipe.
3. The advanced oxidation treatment system according to claim 1, wherein a circulation pump is provided in communication with the bottom of the oxidation tower.
4. The advanced oxidation treatment system according to claim 1, wherein there are two ferrous sulfate dosing devices.
5. The advanced oxidation treatment system according to claim 1, wherein there are two PAM dosing devices.
6. The advanced oxidation treatment system according to claim 1, wherein an outlet pipe is further connected to the output end of the mixing tank, and the outlet pipe is connected to a subsequent sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795148.XU CN212799918U (en) | 2020-05-14 | 2020-05-14 | Advanced oxidation treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795148.XU CN212799918U (en) | 2020-05-14 | 2020-05-14 | Advanced oxidation treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212799918U true CN212799918U (en) | 2021-03-26 |
Family
ID=75091492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020795148.XU Active CN212799918U (en) | 2020-05-14 | 2020-05-14 | Advanced oxidation treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212799918U (en) |
-
2020
- 2020-05-14 CN CN202020795148.XU patent/CN212799918U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106830467B (en) | Fenton method sewage treatment integrated device based on iron mud recycling and method thereof | |
| CN103848513B (en) | A kind of fluorine-containing wastewater treatment method based on Fenton oxidation reaction | |
| CN101219837B (en) | Ozonation process and equipment for oil-containing alkali wastewater | |
| CN112794555A (en) | Novel method for treating wastewater by reinforced coagulation | |
| CN102951724A (en) | Three-phase reactor used for Fenton reaction | |
| CN213623721U (en) | Hydrogen peroxide solution waste water processing system | |
| CN210176681U (en) | Landfill leachate nanofiltration concentrated solution treatment system | |
| CN117023919A (en) | Multistage treatment system and multistage treatment process for gas field produced water | |
| CN212799918U (en) | Advanced oxidation treatment system | |
| CN104261589A (en) | Separated-point inflow type Fenton reagent oxidation treatment device and method for treating wastewater | |
| CN207002529U (en) | Pyrazolone production wastewater treatment device | |
| CN203295291U (en) | Catalytic micro-electrolysis water treatment equipment | |
| CN213327152U (en) | Leachate wastewater discharge treatment equipment | |
| CN115367952A (en) | High-salinity sewage accident sewage and low-salinity high-concentration sewage comprehensive treatment system and method | |
| CN202346816U (en) | Three-phase reactor for Fenton reaction | |
| CN212246663U (en) | Anodic oxidation effluent disposal system | |
| CN105347580B (en) | A kind of method of suitable polymer flooding water processing standard discharge | |
| KR20020018572A (en) | Electro coagulation and Bio-wrinkled circulation nutrients removal system | |
| CN210559900U (en) | Chemical nickel waste water electrocatalytic oxidation treatment system | |
| CN209759243U (en) | Landfill leachate treatment system | |
| CN112408707A (en) | Medical intermediate wastewater treatment process | |
| CN220132056U (en) | Industrial sewage pretreatment system | |
| CN203568923U (en) | Chemical treatment system for paper-making sewage | |
| CN217103495U (en) | Waste acid liquid treatment system | |
| CN215288450U (en) | Biochemical water treatment system of landfill leachate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |