CN103420451A - Electrochemical multiple oxidization sewage treatment equipment - Google Patents
Electrochemical multiple oxidization sewage treatment equipment Download PDFInfo
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- CN103420451A CN103420451A CN2012105078910A CN201210507891A CN103420451A CN 103420451 A CN103420451 A CN 103420451A CN 2012105078910 A CN2012105078910 A CN 2012105078910A CN 201210507891 A CN201210507891 A CN 201210507891A CN 103420451 A CN103420451 A CN 103420451A
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Abstract
The invention relates to electrochemical multiple oxidization sewage treatment equipment which comprises an outer ring battery system, a central battery system, a micropore conduit and a slag scraping device, wherein a neutral solution is electrolyzed by the electrodes of the central battery system to generate ozone; water is electrolyzed by the electrodes of the outer ring battery system to generate hydroxyl free radical (.OH); ozone and hydroxyl free radical can fast oxidize organic materials, which are difficult to degrade, in water; the electrolysis reaction of the electrodes of the outer ring battery system can further directly remove several organic materials and salt which are difficult to degrade in sewage; gas generated during the electrochemical oxidization of the outer ring battery system can generate micro-bubbles after being dissolved in water; the micro-bubbles can adhere to fine suspension particles and oily matters in sewage, and be scraped by the slag scraping device. According to the equipment, as electrochemical decontamination and high-level oxidation decontamination are combined, salt, organic materials, suspended matters, bacteria and other ingredients in sewage can be removed simultaneously. Therefore, the treatment speed is high, the cost is low, and the equipment can further be used in pretreatment and deep purification treatment of sewage.
Description
Technical field
The invention belongs to environmental protection and field of energy-saving technology, relate to a kind of sewage disposal device, particularly the multiple oxidized wastewater treatment equipment of a kind of electrochemistry.
Background technology
Along with China's industrial expansion, the quantity discharged of industrial sewage increases day by day.Industrial sewage is mainly derived from the production process of the industries such as dyestuff, medicine, agricultural chemicals, chemical industry, and its composition is very complicated, comprises salinity, organism, suspended substance and bacterium etc., wherein take the organism of high density as main.These poisonous and hazardous organism comprise phenol, many chloronitrobenzenes, triazine material, benzotriazole etc., their concentration in sewage is high, toxicity is large, chemical oxygen demand (COD) is high, be difficult to be degraded by common micro-organisms, so pollution level is large, time length is long, intractability is high, is focus and difficult point in water prevention and cure of pollution, and it administers the pay attention to day by day that research has caused domestic and international expert.If these sewage do not add processing directly to environmental emission, certainly will cause serious environmental disaster.
The organic treatment process of sewage middle and high concentration has physical treatment, chemical treatment and biological treatment etc. at present.But these treatment processs are single, the treatment scheme complexity, processing cost is high, and can not be simultaneously except the multiple poisonous and harmful element in decontaminated water, and treatment effect is not good.
Summary of the invention
The present invention is directed to the deficiency of existing industrial sewage process method, provide a kind of electrochemistry multiple oxidized wastewater treatment equipment, comprise the outer shroud battery system and be positioned at the middle central battery system of outer shroud battery system, the two separates by the synthetic materials dividing plate, it is characterized in that: the outer shroud battery system is comprised of outer ring electrode anode, outer ring electrode negative electrode, they are metal electrode, and the electrolytic solution of outer shroud battery system is sewage; The central battery system is comprised of central electrode anode, central electrode negative electrode and the barrier film between the two; The central electrode anode is metal electrode, and the central electrode negative electrode is Graphite Electrodes, and the electrolytic solution of central battery system is neutral salt solution; Electrode anode chamber centered by between central electrode anode and barrier film, by the central electrode anolyte header tank of anolyte cooling tube and the side of the being located thereon gas-liquid separator of holding concurrently, be connected, between central electrode anode and central battery system inwall centered by the electrode anode cooling room; Electrode cathode chamber centered by between central electrode negative electrode and barrier film, by the central electrode anolyte header tank of catholyte cooling tube and the side of the being located thereon gas-liquid separator of holding concurrently, be connected, between central electrode negative electrode and central battery system inwall centered by the electrode cathode cooling room; The header tank gas-liquid separator top of holding concurrently has at least a micropore conduit to stretch in outer shroud battery system electrolytic solution.
In addition, in the multiple oxidized wastewater treatment equipment of a kind of electrochemistry of the present invention, described outer ring electrode anode is ti-supported lead dioxide electric, and the outer ring electrode negative electrode is stainless steel.Described central electrode anode is the iron-based plumbic oxide, and surface coverage has the wetting ability pore membrane.Described neutral salt solution is neutral NaCl watery solution.Described diaphragm material is micropore ceramics.The top of described outer shroud battery system also has slag scraper.
The invention has the beneficial effects as follows:
Because the present invention is by outer shroud battery system, central battery system, micropore conduit and slag scraper coupling, electrochemical decontamination and advanced oxidation decontamination are combined, so this equipment can be simultaneously except the compositions such as salinity, organism, suspended substance and bacterium in decontaminated water, not only processing speed is fast, cost is low, and can also process for pre-treatment and the deep purifying of sewage, be a kind of multi-functional sewage disposal device that integrates.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the multiple oxidized wastewater treatment equipment of a kind of high-efficiency electrochemical of the present invention is further described
The sectional view of the multiple oxidized wastewater treatment equipment of a kind of high-efficiency electrochemical that Fig. 1 is embodiment one.
Embodiment
Below in conjunction with accompanying drawing, example of the present invention is described in detail
Mainly contain the compositions such as salinity, organism, suspended substance and bacterium in sewage, conventional sewage water treatment method is more single, can not remove mentioned component simultaneously.In order to overcome this defect, the present invention has designed the battery system of two couplings, electrochemical decontamination and advanced oxidation decontamination is combined, thereby improved clean effect, has improved detersive efficiency, has reduced the decontamination cost.
Decontamination principle of the present invention is as described below:
The present invention comprises outer shroud battery system, central battery system, micropore conduit and four functional devices of slag scraper, and wherein, central battery system electrolysis can produce ozone (O
3), can be diffused in sewage by the micropore conduit.The outer shroud battery system all adopts metal electrode, and the electric field that metal electrode produces can direct oxidation water or hydroxide ion, thereby produces hydroxyl radical free radical (OH).Ozone and hydroxyl radical free radical are all extremely strong oxygenants, can Quick Oxidation water in the organism of difficult degradation, making its mineralising is carbonate, they are more thorough to the oxidation of organic pollutant, efficiency is higher, and does not produce secondary pollutant during oxidation.In addition, the adsorption on outer ring electrode surface and ozone act on simultaneously and can produce good sterilization effect.In addition, redox reaction can occur on the outer ring electrode surface and be removed in the organism of the salt ion in sewage and difficult degradation.Finally, after the gas that outer shroud battery system electrochemical oxidation produces is water-soluble, can form microbubble, can adhere to tiny suspended particle and oily matter in sewage, form floating flocs float to the water surface, thereby struck off by slag scraper.
Electrochemical decontamination refers to that the organism of difficult degradation is in electrode surface generation redox reaction, can reach the effect of desalination simultaneously.The advanced oxidation decontamination refers to oxygenant hydroxyl radical free radical (OH) and the ozone (O that utilizes electrochemical reaction to produce
3) degradation of contaminant.Therefore, the present invention combines electrochemical decontamination and advanced oxidation decontamination, can be simultaneously except the compositions such as salinity, organism, suspended substance and bacterium in decontaminated water, and not only processing speed is fast, and cost is low, and can also process for pre-treatment and the deep purifying of sewage.
Embodiment
In the present embodiment, in order to guarantee that the compositions such as salinity, organism, suspended substance and bacterium in sewage are removed simultaneously, therefore adopted following structure:
The sectional view of the multiple oxidized wastewater treatment equipment of a kind of high-efficiency electrochemical that Fig. 1 is embodiment one.
As shown in Figure 1, the multiple oxidized wastewater treatment equipment of a kind of electrochemistry of embodiment one, comprise outer shroud battery system 16 and be positioned at the central battery system 17 in the middle of outer shroud battery system 16, and the two 16,17 separates by the synthetic materials dividing plate.Outer shroud battery system 16 is comprised of outer ring electrode anode 13, outer ring electrode negative electrode 14, and wherein, outer ring electrode anode 13 is ti-supported lead dioxide electric, and outer ring electrode negative electrode 14 is stainless steel, and the electrolytic solution of outer shroud battery system 16 is sewage.Central battery system 17 is comprised of central electrode anode 1, central electrode negative electrode 7 and the barrier film between the two 6; Central electrode anode 1 is the iron-based plumbic oxide, and central electrode negative electrode 7 is Graphite Electrodes, and the electrolytic solution of central battery system 17 is neutral NaCl watery solution.The surface of central electrode anode 1 also is coated with the wetting ability pore membrane, is convenient to electrode, with the electrolytic solution contact, electrolytic reaction occurs.Barrier film 6 materials are micropore ceramics, play negative and positive long-pending between the effect of proton exchange.
In addition, electrode anode chamber 2 centered by between central electrode anode 1 and barrier film 6, by anolyte cooling tube 4 and the central electrode anolyte header tank that is positioned at its 2 top gas-liquid separator 5 of holding concurrently, be connected, this header tank hold concurrently gas-liquid separator 5 can centered by electrode anode chamber 2 electrolytic solution is provided, the ozone that simultaneously can produce electrode reaction carry out gas-liquid separation.Electrode cathode chamber 8 centered by between central electrode negative electrode 7 and barrier film 6, by catholyte cooling tube 10 and the central electrode anolyte header tank that is positioned at its 8 top gas-liquid separator 11 of holding concurrently, be connected, this header tank hold concurrently gas-liquid separator 11 can centered by electrode cathode chamber 8 electrolytic solution is provided, the ozone that simultaneously can produce electrode reaction carry out gas-liquid separation.Electrode anode cooling room 3 centered by between central electrode anode 1 and central battery system 17 inwalls, electrode cathode cooling room 9 centered by between central electrode negative electrode 7 and central battery system 17 inwalls, these two cooling rooms 3,9 all adopt water-cooling system, the effect of battery system 17 coolings centered by playing.
In addition, central battery system 17 tops have two micropore conduits 12 to stretch in outer shroud battery system 16 electrolytic solution, the ozone produced during the 17 generating electrodes reaction of central battery system can be diffused in sewage by this micropore conduit 12, thereby plays sterilization and oxygenizement.Electrochemical oxidation occurs in outer shroud battery system 16, its 16 gas produced is soluble in water can form microbubble, can adhere to tiny suspended particle and oily matter in sewage, form floating flocs float to the water surface, thereby the slag scraper 15 that is positioned at the top of outer shroud battery system 18 strikes off.
As preferred version of the present invention, all right attached pressure pump of central battery system 17, by the pressurization of pump, can make ozone more easily be dissolved in organic sewage, thereby increase the ozone concn in sewage, plays better oxidation effectiveness.。
Further, the multiple oxidized wastewater treatment equipment of a kind of electrochemistry of the present invention can reduce pretreated technique for the pre-treatment of high concentration organic sewage, reduces the burden of subsequent treatment process.On the other hand, the present invention also can be used for the deep purifying of sewage and processes, and makes the water outlet better effects if.
Claims (7)
1. the multiple oxidized wastewater treatment equipment of electrochemistry, comprise outer shroud battery system (16) and be positioned at the middle central battery system (17) of outer shroud battery system (16), the two (16,17) separate by the synthetic materials dividing plate, it is characterized in that: outer shroud battery system (16) is comprised of outer ring electrode anode (13), outer ring electrode negative electrode (14), their (13,14) are metal electrode, and the electrolytic solution of outer shroud battery system (16) is sewage; Central battery system (17) is comprised of central electrode anode (1), central electrode negative electrode (7) and the barrier film between the two (6); Central electrode anode (1) is metal electrode, and central electrode negative electrode (7) is Graphite Electrodes, and the electrolytic solution of central battery system (17) is neutral salt solution; Electrode anode chamber (2) centered by between central electrode anode (1) and barrier film (6), by anolyte cooling tube (4) and the central electrode anolyte header tank that is positioned at its (2) tops gas-liquid separator (5) of holding concurrently, be connected, between central electrode anode (1) and central battery system (17) inwall centered by electrode anode cooling room (3); Electrode cathode chamber (8) centered by between central electrode negative electrode (7) and barrier film (6), by catholyte cooling tube (10) and the central electrode anolyte header tank that is positioned at its (8) tops gas-liquid separator (11) of holding concurrently, be connected, between central electrode negative electrode (7) and central battery system (17) inwall centered by electrode cathode cooling room (9); Header tank gas-liquid separator (5, the 11) top of holding concurrently has at least a micropore conduit (12) to stretch in outer shroud battery system (16) electrolytic solution.
2. the multiple oxidized wastewater treatment equipment of a kind of electrochemistry according to claim 1, it is characterized in that: outer ring electrode anode (13) is ti-supported lead dioxide electric, and outer ring electrode negative electrode (14) is stainless steel.
3. the multiple oxidized wastewater treatment equipment of a kind of electrochemistry according to claim 1, it is characterized in that: central electrode anode (1) is the iron-based plumbic oxide.
4. the multiple oxidized wastewater treatment equipment of a kind of electrochemistry according to claim 1, it is characterized in that: central electrode anode (1) surface coverage has the wetting ability pore membrane.
5. the multiple oxidized wastewater treatment equipment of a kind of electrochemistry according to claim 1, it is characterized in that: neutral salt solution is neutral NaCl watery solution.
6. the multiple oxidized wastewater treatment equipment of a kind of electrochemistry according to claim 1, it is characterized in that: barrier film (6) material is micropore ceramics.
7. the multiple oxidized wastewater treatment equipment of a kind of electrochemistry according to claim 1, it is characterized in that: the top of outer shroud battery system (18) also has slag scraper (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210507891.0A CN103420451B (en) | 2012-11-30 | 2012-11-30 | Electrochemical multiple oxidization sewage treatment equipment |
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| CN201210507891.0A CN103420451B (en) | 2012-11-30 | 2012-11-30 | Electrochemical multiple oxidization sewage treatment equipment |
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| CN103420451A true CN103420451A (en) | 2013-12-04 |
| CN103420451B CN103420451B (en) | 2014-11-05 |
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| CN201210507891.0A Expired - Fee Related CN103420451B (en) | 2012-11-30 | 2012-11-30 | Electrochemical multiple oxidization sewage treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326530A (en) * | 2014-11-06 | 2015-02-04 | 清华大学 | Device and method for performing oxidation treatment on sewage by cooperating pipeline type electric catalysis with ozone |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04219192A (en) * | 1990-09-03 | 1992-08-10 | Konica Corp | Treatment of water to be treated |
| KR20010108879A (en) * | 2000-06-01 | 2001-12-08 | 김경근 | Electrolyzed water generators |
| JP2002102853A (en) * | 2000-09-29 | 2002-04-09 | Matsushita Electric Ind Co Ltd | Electrolytic water generator |
| CN2876077Y (en) * | 2005-12-05 | 2007-03-07 | 上海第二工业大学 | Small size disinfectant water producing device |
| CN102205996A (en) * | 2010-03-30 | 2011-10-05 | 北京理工大学 | Chambered electrolysis wastewater device and application thereof |
| JP2013019036A (en) * | 2011-07-13 | 2013-01-31 | Jws Tecnica Kk | Electrolytic bath, and electrolytic apparatus therewith |
-
2012
- 2012-11-30 CN CN201210507891.0A patent/CN103420451B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04219192A (en) * | 1990-09-03 | 1992-08-10 | Konica Corp | Treatment of water to be treated |
| KR20010108879A (en) * | 2000-06-01 | 2001-12-08 | 김경근 | Electrolyzed water generators |
| JP2002102853A (en) * | 2000-09-29 | 2002-04-09 | Matsushita Electric Ind Co Ltd | Electrolytic water generator |
| CN2876077Y (en) * | 2005-12-05 | 2007-03-07 | 上海第二工业大学 | Small size disinfectant water producing device |
| CN102205996A (en) * | 2010-03-30 | 2011-10-05 | 北京理工大学 | Chambered electrolysis wastewater device and application thereof |
| JP2013019036A (en) * | 2011-07-13 | 2013-01-31 | Jws Tecnica Kk | Electrolytic bath, and electrolytic apparatus therewith |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326530A (en) * | 2014-11-06 | 2015-02-04 | 清华大学 | Device and method for performing oxidation treatment on sewage by cooperating pipeline type electric catalysis with ozone |
| CN104326530B (en) * | 2014-11-06 | 2016-05-11 | 清华大学 | The device and method of a kind of duct type electro-catalysis and ozone cooperative oxidation sewage treatment |
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| CN103420451B (en) | 2014-11-05 |
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Inventor after: Yi Xuenong Inventor after: Zhou Weibo Inventor after: Wang Yulin Inventor after: Duan Xiaolong Inventor after: Song Taoli Inventor after: Jin Xin Inventor before: Yi Xuenong Inventor before: Duan Xiaolong Inventor before: Song Taoli Inventor before: Zhou Weibo Inventor before: Jin Xin |
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Free format text: CORRECT: INVENTOR; FROM: YI XUENONG DUAN XIAOLONG SONG TAOLI ZHOU WEIBO JIN XIN TO: YI XUENONG ZHOU WEIBO WANG YULIN DUAN XIAOLONG SONG TAOLI JIN XIN |
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