CN201785275U - Combined oxidation equipment - Google Patents
Combined oxidation equipment Download PDFInfo
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- CN201785275U CN201785275U CN2010205296860U CN201020529686U CN201785275U CN 201785275 U CN201785275 U CN 201785275U CN 2010205296860 U CN2010205296860 U CN 2010205296860U CN 201020529686 U CN201020529686 U CN 201020529686U CN 201785275 U CN201785275 U CN 201785275U
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- fenton
- reaction
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Abstract
The utility model relates to combined oxidation equipment, which comprises a micro-electrolysis reactor and a Fenton reactor, wherein a charging port, a discharge port and a backwashing interface are arranged outside the micro-electrolysis reactor, and a packing region is arranged inside the micro-electrolysis reactor and is connected with the charging port and the discharge port so as to facilitate to replace a packing material; a water outlet of the micro-electrolysis reactor is connected to the Fenton reactor, and a Fenton reaction pre-treatment region, a Fenton reaction region, a Fenton reaction termination region and a water outlet region are arranged inside the Fenton reactor; and a total water outlet is arranged at the lower end of the water outlet region. The utility model has the beneficial effects: the micro-electrolysis technology and the Fenton reaction are combined to pre-treat high-concentration organic wastewater, so that the effects of reducing the concentration of organic matter and improving the biodegradability of water are obvious, and the highest treatment effect can be achieved at the lowest operating cost.
Description
Technical field
The utility model relates to a kind of combination oxidation furnaces.
Background technology
The source of organic waste water is very extensive, the organic waste water concentration height that industries such as food, fermentation, chemical industry, process hides, pharmacy, papermaking are got rid of, and the water yield is big, havoc environment.And traditional high concentrated organic wastewater is administered to handle and is usually existed defectives such as hazardous and noxious substances is many, salt is more, biodegradability is poor, COD concentration height.The processing of high concentrated organic wastewater generally need be carried out pre-treatment, and pretreated purpose mainly is to reduce its toxicity, improves its biochemical, and the certain COD of oxidation, makes water adapt to follow-up biochemical treatment system.The general at present pretreatment process that adopts has methods such as extraction, membrane sepn, catalyzed oxidation, wet oxidation, dioxide peroxide oxidation, ozone oxidation; But various pretreatment processs more or less is subjected to the running cost height, technology is difficult to the restriction of all kinds of problems such as industrialization, cost of investment height.
Micro electrolysis tech is as a kind of novel pre-treatment process, can destroy the long-chain organism and the long-chain organism is decomposed into the short chain organism, extensively applied in the pre-treatment of various organic wastewaters.Because its processing cost is low, meet treatment of wastes with processes of wastes against one another principle, this technology is promoted significantly, but there is problem such as harden easily in this technology in practice.
Fenton's reaction is an oxidizing reaction system of utilizing molysite and hydrogen peroxide to form, it mainly is to utilize the OH base (hydroxyl) that produces in molysite and the hydrogen peroxide reaction process, its can the oxidation overwhelming majority organism, because the reaction effect oxidisability of Fenton reagent is strong, in the pre-treatment of high concentrated organic wastewater, also obtain more extensively using, but, restricted it and promoted greatly because its running cost is too high.
The utility model content
The purpose of this utility model provides a kind of combination oxidation furnaces, utilize micro electrolysis tech in conjunction with the means of Fenton's reaction as pre-treating high concentration organic waste water, can effectively reduce organic waste water concentration, improve the biodegradability of water body, and can be with minimum running cost, reach the highest treatment effect, existing high concentrated organic wastewater pre-treatment cost is higher to overcome, technology is difficult to industrialized defective.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of combination oxidation furnaces comprises micro-electrolysis reactor and Fenton reactor, and described micro-electrolysis reactor outside is provided with charging bole and discharge opening, and micro-electrolysis reactor inside is provided with the packing area; Bottom, described packing area is provided with the filler back up pad, and the filler back up pad connects the back flushing interface; Micro-electrolysis reactor is connected with Fenton reactor; Described Fenton reactor inside is provided with Fenton's reaction pre-treatment district, Fenton's reaction district and Fenton's reaction terminator; Inside, described Fenton's reaction pre-treatment district is provided with aerating system, and inside, Fenton's reaction district is provided with the Fenton rapid reaction zone and Fenton's reaction is slowly distinguished, and Fenton's reaction terminator and Fenton rapid reaction zone inside are equipped with anticorrosion stirrer; The exhalant region lower end is provided with total water outlet.
The beneficial effects of the utility model are: utilize micro electrolysis tech in conjunction with the means of Fenton's reaction as pre-treating high concentration organic waste water, to reducing organic concentration, the biodegradability that improves water body has unusual effect, and can reach the highest treatment effect with minimum running cost.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the principle of work synoptic diagram of the described combination oxidation furnaces of the utility model embodiment;
Fig. 2 is the micro-electrolysis reactor internal structure synoptic diagram of the described combination oxidation furnaces of the utility model embodiment;
Fig. 3 is the Fenton reactor internal structure synoptic diagram of the described combination oxidation furnaces of the utility model embodiment.
Among the figure:
1, micro-electrolysis reactor; 2, Fenton reactor; 3, charging bole; 4, discharge opening; 5, back flushing interface; 6, packing area; 7, filler back up pad; 8, Fenton's reaction pre-treatment district; 9, aerating system; 10, Fenton's reaction district; 11, Fenton rapid reaction zone; 12, Fenton's reaction is slowly distinguished; 13, anticorrosion stirrer; 14, Fenton's reaction terminator; 15, exhalant region; 16, total water outlet.
Embodiment
Combination oxidation furnaces shown in Figure 1 is combined by micro-electrolysis reactor 1 and Fenton reactor 2.Micro-electrolysis reactor 1 is a circular configuration, adopts carbon steel material to be made, and its inside is provided with packing area 6, outer setting discharge opening 4 and charging bole 3.Fenton reactor 2 is a square structure, adopts carbon steel material to be made, and it is divided into three parts and forms: Fenton's reaction pre-treatment district 8 is primarily aimed to handle after little electrolysis and contains more molysite in the water body; Fenton's reaction district 10 is main reaction region of Fenton's reaction; Fenton's reaction terminator 14, the termination and the post precipitation that are primarily aimed at Fenton's reaction are handled.
As shown in Figure 2, micro-electrolysis reactor is full of filler in the 1 inner packing area 6 that is provided with, filler back up pad 7 by the bottom supports filler, 6 outsides, packing area are provided with urceolus, after after current are from top to bottom through packing area 6 reaction, passing through urceolus from bottom to top again, reach water outlet and realize that draining arrives Fenton reactor 2; Packing area 6 is connected with charging bole 3 with external discharge opening 4 respectively, to be convenient for changing filler.Described filler adopts gac, iron powder, copper (as catalyzer) to form through high temperature hole sintering according to a certain percentage, behind high temperature sintering, the filler internal voids is many, and outside formation is irregularly shaped, the galvanic cell activity that makes whole filler form is stronger, and the problem that hardens do not occur.The back flushing interface 5 of micro-electrolysis reactor 1 outer setting is used to wash the impurity of filling surface.
Micro-electrolysis reactor 1 utilizes micro-electrolysis stuffing under acidic conditions, forms a large amount of galvanic cells in water body, and the free H base that galvanic cell produces can carry out oxygenizement to the pollutent of water body; Simultaneously little electrolysis produces a large amount of ferrous ions, the glue pterophorid matter in the sewage that can flocculate, and as the necessary reagent of follow-up Fenton's reaction.
As shown in Figure 3, Fenton reactor 2 is made up of 5 parts: Fenton's reaction pre-treatment district 8, be set to the upper end water inlet, and the bottom water outlet is provided with aerating system 9 in the bottom, be intended to the excessive Fe that will produce in the microelectrolysis process
2+Transform into Fe
3+, be beneficial to follow-up Fenton's reaction; Fenton rapid reaction zone 11 is set to the lower end water inlet, and the upper end water outlet is provided with anticorrosion stirrer 13 in reaction zone, be intended to quicken H
2O
2With Fe
2+Speed of reaction, local area is the main reaction region of Fenton oxidation; Fenton's reaction is district 12 slowly, is set to the upper end water inlet, and the lower end water outlet is provided with local area and is intended to oxygenant residual in the Fenton oxidation further oxidation of organic compounds in local area; Fenton's reaction terminator 14 is set to the lower end water inlet, the upper end water outlet, and local area utilizes H by adding bases
2O
2Decomposition under alkaline condition stops Fenton's reaction, simultaneously Fe
2+Under alkaline condition, form flocs unit; The carrying out of anticorrosion stirrer 13 end of boosts reaction is set in local area; Exhalant region 15 is provided with upper end water inlet, and the lower end water outlet is provided with the PH monitoring instrument in local area, and the pH value of monitoring water outlet makes the pH value of water outlet can be up to standard, and exhalant region 15 is connected with total water outlet 16 of system.
Acid waste water is through being intake by the micro-electrolysis reactor upper end, and after 6 reactions of packing area, current rise to water outlet from micro-electrolysis reactor 1 urceolus water outlet; The micro-electrolysis reactor water outlet directly is connected with Fenton reactor 2, thereby enters pre-treatment district 8 in the Fenton reactor 2, realizes the post precipitation of unnecessary iron ion in the pre-treatment district, and current flow into Fenton rapid reaction zone 11 from bottom to top, here by adding H
2O
2The ferrous ion residual with little electrolysis forms Fenton reagent, carries out oxidizing reaction; Current from up to down flow into slowly district 12 of Fenton's reaction again, and here organism obtains further oxidation; The bottom-up inflow Fenton's reaction of current terminator 14 makes Fenton's reaction be stopped by adding input alkali adjusting PH here; Current flow into exhalant region 15 from top to bottom, at exhalant region 15 pH value that the PH monitoring instrument is controlled water outlet are set, and the total water outlet 16 of system is arranged on the lower end of exhalant region 15, and total water outlet 16 is realized the sewage after the emission treatment.
Utilize micro electrolysis tech in conjunction with the means of Fenton's reaction as pre-treating high concentration organic waste water, for reducing organic concentration, the biodegradability that improves water body has unusual effect, especially for high organic concentration, low chain molecule thing organism, be difficult to biodegradable treatment of Organic Wastewater important use value and promotional value arranged.The utility model can reach the highest processing efficiency and the most perfect treatment effect with minimum cost.
Claims (1)
1. one kind is made up oxidation furnaces, comprise micro-electrolysis reactor (1) and Fenton reactor (2), it is characterized in that: described micro-electrolysis reactor (1) outside is provided with charging bole (3) and discharge opening (4), and micro-electrolysis reactor (1) inside is provided with packing area (6); Bottom, described packing area (6) is provided with filler back up pad (7), and filler back up pad (7) connects back flushing interface (5); Micro-electrolysis reactor (1) is connected with Fenton reactor (2); Described Fenton reactor (2) inside is provided with Fenton's reaction pre-treatment district (8), Fenton's reaction district (10) and Fenton's reaction terminator (14); Inside, described Fenton's reaction pre-treatment district (8) is provided with aerating system (9), inside, Fenton's reaction district (10) is provided with Fenton rapid reaction zone (11) and Fenton's reaction is slowly distinguished (12), and Fenton's reaction terminator (14) and Fenton rapid reaction zone (11) inside are equipped with anticorrosion stirrer (13); Exhalant region (15) lower end is provided with total water outlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205296860U CN201785275U (en) | 2010-09-15 | 2010-09-15 | Combined oxidation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205296860U CN201785275U (en) | 2010-09-15 | 2010-09-15 | Combined oxidation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201785275U true CN201785275U (en) | 2011-04-06 |
Family
ID=43817250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205296860U Expired - Fee Related CN201785275U (en) | 2010-09-15 | 2010-09-15 | Combined oxidation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201785275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539293A (en) * | 2013-09-25 | 2014-01-29 | 安徽省绿巨人环境技术有限公司 | High-efficiency iron carbon-Fenton combined reactor for high-concentration organic wastewater pretreatment |
| CN107804909A (en) * | 2017-11-27 | 2018-03-16 | 江苏宜裕环保科技有限公司 | A kind of multi-cartridge Fenton's reaction tower |
| CN108911285A (en) * | 2018-06-13 | 2018-11-30 | 龚璐 | A kind of river sewage quick treatment device and method |
-
2010
- 2010-09-15 CN CN2010205296860U patent/CN201785275U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539293A (en) * | 2013-09-25 | 2014-01-29 | 安徽省绿巨人环境技术有限公司 | High-efficiency iron carbon-Fenton combined reactor for high-concentration organic wastewater pretreatment |
| CN107804909A (en) * | 2017-11-27 | 2018-03-16 | 江苏宜裕环保科技有限公司 | A kind of multi-cartridge Fenton's reaction tower |
| CN108911285A (en) * | 2018-06-13 | 2018-11-30 | 龚璐 | A kind of river sewage quick treatment device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20120915 |