CN203048643U - Catalyzed oxidation inertness electrode plate, compound electrode and device for processing high-COD (Chemical Oxygen Demand) sewage - Google Patents
Catalyzed oxidation inertness electrode plate, compound electrode and device for processing high-COD (Chemical Oxygen Demand) sewage Download PDFInfo
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- CN203048643U CN203048643U CN 201220642778 CN201220642778U CN203048643U CN 203048643 U CN203048643 U CN 203048643U CN 201220642778 CN201220642778 CN 201220642778 CN 201220642778 U CN201220642778 U CN 201220642778U CN 203048643 U CN203048643 U CN 203048643U
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- catalyzed oxidation
- plate
- sewage
- electrode
- battery lead
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Abstract
The utility model relates to a catalyzed oxidation inertness electrode plate, compound electrode and device for processing high-COD (Chemical Oxygen Demand) sewage. Circulation parts and turbulence parts are distributed on the electrode plate, wherein the circulation parts are used for the circulation of sewage in the electrode plate, and the turbulence parts cover the circulation parts and used for forming water turbulence. According to the utility model, the catalyzed oxidation compound electrode formed by the catalyzed oxidization inertness electrode plate provided with the circulation parts and the turbulence parts is adopted, and a water channel is additionally arranged, so that the mutual action is enhanced, the water turbulence is strengthened, the generation of hydroxyl radicals is promoted, and further, the electrochemical reaction efficiency is improved.
Description
Technical field
The utility model relates to a kind of catalyzed oxidation battery lead plate, compound electrode and device of handling high COD sewage, and particularly a kind of catalyzed oxidation noble electrode plate, compound electrode and device of handling high COD sewage belongs to environment-friendly water-saving emission-reduction technology field.
Background technology
The water pollution mainly is to be caused by the pollutent that mankind's activity produces, and it comprises industrial pollution source, agricultural pollution source and domestic pollution source three parts.Along with developing rapidly of industry, kind and the quantity of waste water rapidly increase, and is also extensive and serious day by day to the pollution of water body, threatens human beings'health and safety.Trade effluent is the waste water of discharging in the Industrial processes, comprises technological process water, machinery equipment water coolant, fume washing water, equipment and place washing water etc.Because industrial type is various, and every kind of industry is made up of multistage technology, thus the wastewater property difference that produces, complicated component, character is changeable.
Chemical oxygen demand (COD) (COD) is under certain conditions, and when adopting certain strong oxidizer to handle water sample, the amount of the oxygenant that consumes is what a index of reducing substances in the expression water.Reducing substances in the sewage has various organism, nitrite, sulfide, ferrous salt etc., but main be organism.Therefore, often as weighing what index of organic content in the water, COD is more big, illustrates that water body is subjected to organic pollution more serious again for COD.
It is to remove the wherein most economical effective means of organism that biochemical process is handled trade effluent, and biochemical process mainly relies on the metabolism of microorganism that the organism in the sewage is converted into self cellular material and simple compounds, the process that water quality is purified.At present, the domestic reverse osmosis of wide-scale adoption (RO, reverse osmosis) technology is carried out advanced desalination processing reuse to the trade effluent through biochemical treatment, the COD concentration of handling in the dense water in back is 3-4 times that intakes, be called high COD sewage, substantially exceed the emission standard of national industrial sewage, thereby must handle again the dense water of RO, to reach emission standard or to satisfy the reuse requirement.
And the water inlet of RO system is handled the water outlet of trade effluent system from biochemical process, complicated component, and the main component of contained COD is the hardly-biodegradable material, content is general＜60mg/L, therefore the contained COD of the dense water of RO is at 150-180mg/L, and salt concentration is higher, especially Cl-.Therefore, make that the dense water treatment difficulty of RO system is very big, therefore the processing to reverse osmosis concentrated water has become two membrane process in the bottleneck problem in reusing sewage field.
Existing electrocatalysis oxidation apparatus adopts plate parallel pole, and the form degraded high COD sewage that adds micro-electrolysis stuffing arranged between positive/negative plate, but, these filler selection exist following problem: if adopt electric conductor (or semi-conductor) then form short circuit between positive/negative plate, reduce current efficiency greatly; If select the non-conductor filler for use then can't play the effectiveness that produces hydroxyl radical free radical.
Therefore, how developing a kind of device that can efficiently produce noble electrode plate, the compound electrode of hydroxyl radical free radical and use this battery lead plate is the technical barrier that needs to be resolved hurrily in this area.The use of described catalyzed oxidation noble electrode plate can improve to handle the dense water treatment efficiency of high COD sewage device greatly.
The utility model content
At the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of catalyzed oxidation battery lead plate of handling high COD sewage.Described catalyzed oxidation battery lead plate can efficiently produce hydroxyl radical free radical, improves the efficient of handling high COD sewage.
Lay on the catalyzed oxidation battery lead plate of processing high COD sewage described in the utility model and be used for sewage at the flow component that circulates between battery lead plate and the turbulent flow parts that are used to form the current turbulent flow that cover on the flow component.The effect of described flow component is to increase sewage the flowing of battery lead plate two interpolars, and promotes the carrying out of catalytic oxidation.The effect of described turbulent flow parts is the turbulent flows that increase sewage, and then makes sewage more abundant with contacting of battery lead plate, promotes the reaction efficiency of catalytic oxidation.
The water that can make the battery lead plate both sides that any those skilled in the art can the expect parts of circulation mutually all can be used as flow component described in the utility model, and typical but non-limiting example has through hole or pipeline etc.Consider that sewage circulates in flow component, circulation path is oversize, and insolubles precipitates easily, so the utility model is selected through hole for use.Those skilled in the art also are easy to expect, the cross-sectional shape of described through hole is arbitrarily, can be square, circular, trilateral, pentagon, hexagon, the shape of a hoof, ellipse or Polygons etc., even can be pentagram, quincunx etc.
As a kind of embodiment of the present utility model, described flow component is out the through hole on battery lead plate; Described turbulent flow parts are the catch that covers on the through hole outside, and described catch has the first end that links to each other with battery lead plate and away from the second end of battery lead plate; Described the second end extends to the water inlet direction of sewage.
In this embodiment, flow component is through hole, has to clean convenient, as to be difficult for deposition insolubles advantage; The turbulent flow parts are the catch that covers on the through hole outside, can block flowing to the current parallel with battery lead plate originally, form turbulent flow, make sewage by flow component from an effluent of battery lead plate to opposite side, increase its flowing between battery lead plate.
In another kind of embodiment of the present utility model, the cross section of described through hole is preferably horse-hof shape, and described catch is extended to form by the curved edge of the horse-hof shape of through hole.Described horse-hof shape through hole and form a kind of structure that is similar to the wiping silk hole on the family expenses Shreder jointly by the catch that the curved edge of horse-hof shape through hole extends to form, those skilled in the art can understand by reference to the accompanying drawings that (Fig. 1 is the front view of present embodiment, Fig. 2 is the left view of present embodiment, and Fig. 3 is the sectional view of present embodiment A-A direction).Described horse-hof shape through hole and can be formed by punch ram by the catch that the curved edge of horse-hof shape through hole extends to form, technology is very simple, is to well known to a person skilled in the art a kind of machining process.
Certainly, hole described in the utility model is the through hole of the arbitrary shape (cross-sectional shape) that can expect arbitrarily of art technology, for example can be square, circular, trilateral, pentagon, hexagon, the shape of a hoof, ellipse or Polygons etc., even can be pentagram, quincunx etc.; The described catch that covers on the through hole outside also can be other by being fixed on the structure on the battery lead plate, and for example the shape of catch can be semisphere, truncated cone-shaped, taper shape, pyrometric cone etc.
The shape of described catch can match with the shape of single hole, and for example when through hole was trilateral, catch can be pyrometric cone, and opening is to the water inlet direction of battery lead plate; When through hole was circle, catch can be semisphere etc.Described catch can be extended by the part edge of through hole and forms, one side for example can extend into straight plate or arch sheet away from the water inlet direction by trapezoidal hole; Perhaps by trapezoidal hole away from water inlet one side of direction and the catch that two adjacent limits extend to form truncated cone-shaped thereof etc.
The shape of described catch and the shape of through hole can independently be selected, and namely manhole can be joined a rectangle baffle plate, the trilateral through hole can be joined conical baffle plate etc.The position of described catch can be extended to form by the edge at the edge of through hole, also can be fixed on separately on the battery lead plate near through hole, and fixed form can be draw-in groove, bonding etc.
The vertical range of the second end of catch described in the utility model and adjacent iron pole plate is 1/7 ~ 1/4 of iron pole plate and noble electrode distance between plates, for example 1/6.8,1/6.5,1/6.2,1/5.7,1/5.1,1/4.9,1/4.3,1/4.1 etc.
Preferably, in the embodiment of the present utility model, described catch is preferably flat board or arch bent plate.
Preferably, described baffle plate is positioned at the same side of battery lead plate.
Two of the purpose of this utility model provides a kind of catalyzed oxidation compound electrode of handling high COD sewage, described compound electrode is combined at interval by the described catalyzed oxidation noble electrode of one of ferroelectric pole plate and the utility model plate, the described catalyzed oxidation battery lead plate direct supply that is connected in parallel.
The principle of work of the catalytic oxidation compound electrode of the processing difficult degradation COD sewage that two of the utility model purpose provides is:
Utilize electrocatalysis and electric flocculation technique principle, by to catalytic oxidation compound electrode applying direct current, and regulate pH value by medicine system, make a large amount of ferrous ion Fe of its electrolysis generation
2+, as the source of electricity flocculation flocculation agent; The noble electrode of catalytic oxidation combined electrode structure surface produces a large amount of HO simultaneously, and can make difficult degradation COD is CO at its surface catalyzed oxidation
2And H
2O; The catalytic oxidation compound electrode utilizes multiple electrochemical actions such as electricity flocculation, catalytic oxidation, can better remove difficult degradation COD.
RH+HO·→R·+H
2O
R·+Fe
3+→R
++Fe
2+
R
++O
2→ROO
+→CO
2+H
2O
In the above-mentioned serial reaction, hydroxyl radical free radical HO and organism RH reaction generate radical R, and the further oxidation of R generates CO
2And H
2O, thus the COD of waste water is reduced greatly.
Three of the purpose of this utility model is to provide a kind of catalytic oxidizing equipment of handling high COD sewage, press the flow direction of sewage, comprise electrocatalytic reaction district, depositing separation area and water outlet collecting region successively, described electrocatalytic reaction district is connected with medicine system, two described catalyzed oxidation compound electrodes of installing the utility model purpose in the described electrocatalytic reaction district, described catalyzed oxidation compound electrode connects direct supply.
Compared with prior art, the utlity model has following beneficial effect:
(1) because the oxygenizement of hydroxyl radical free radical is in-situ oxidation, thereby require preferably directly to contact with electrode anode plate surface through the waste water that contains COD between positive/negative plate, do not produce a direct end from pole plate and penetrate into the other end, thereby improve processing efficiency greatly.
The utility model has increased water stream channel by adding flow component at the noble electrode plate, has strengthened the exchange of sewage at two interpolars, and the interaction of sewage and battery lead plate is strengthened; Simultaneously add the turbulent flow parts at the noble electrode plate, increased the disturbance to the sewage current, improved the efficient of electrochemical reaction.
(2) through after the processing of device described in the utility model, indexs such as difficult degradation COD, colourity are reduced in the RO concentrated solution, and condition of water quality improves, and handle directly reuse after qualified discharge or the continuation desalination of water outlet.
Description of drawings
Fig. 1 is the front view of embodiment 1 described catalyzed oxidation noble electrode plate;
Fig. 2 is the left view of embodiment 1 described catalyzed oxidation noble electrode plate;
Fig. 3 is the sectional view of embodiment 1 described catalyzed oxidation noble electrode plate A-A direction;
Fig. 4 is the decomposition texture synoptic diagram of embodiment 2 described catalyzed oxidation noble electrode plates;
Fig. 5 is the structural representation of embodiment 2 described catalyzed oxidation noble electrode plates;
Fig. 6 is the front view of embodiment 2 described catalyzed oxidation noble electrode plates;
Fig. 7 is the structural representation of embodiment 3 described catalyzed oxidation compound electrodes;
Fig. 8 is the structural representation of the catalytic oxidizing equipment of embodiment 4 described processing high COD sewages;
Wherein, 101-through hole; The 201-catch; The first end of 201-catch; The second end of 203-catch; 301-noble electrode plate; 302-iron pole plate;
The 2101-through hole; The 2201-catch; The first end of 201-catch; The second end of 203-catch;
1-catalyzed oxidation compound electrode; 2-electrocatalytic reaction district, 3-depositing separation area; 4-water outlet collecting region; The 5-medicine system; The 6-direct supply;
Wherein, the A direction among Fig. 7 is the water inlet direction of catalyzed oxidation compound electrode, and B is that current are through the direction of catalyzed oxidation noble electrode plate;
The water inlet direction of the catalytic oxidizing equipment of C direction-processing high COD sewage among Fig. 8, the water outlet direction of the catalytic oxidizing equipment of D direction-processing high COD sewage.
Embodiment
For ease of understanding the utility model, it is as follows that the utility model is enumerated embodiment.Those skilled in the art should understand that described embodiment helps to understand the utility model, should not be considered as concrete restriction of the present utility model.
Embodiment 1
A kind of catalyzed oxidation noble electrode plate of handling high COD sewage adopts punch press to go out horse-hof shape through hole 101 at described battery lead plate, forms in the process of horse-hof shape through hole the catch 201 that formation naturally is extended to form by the curved edge of the horse-hof shape of through hole.Described horse-hof shape through hole and form a kind of structure that is similar to the wiping silk hole on the family expenses Shreder jointly by the catch that the curved edge of horse-hof shape through hole extends to form, (Fig. 1 is the front view of the described catalyzed oxidation noble electrode of present embodiment plate specifically as shown in Figure 1, Fig. 2 is the left view of the described catalyzed oxidation noble electrode of present embodiment plate, and Fig. 3 is the sectional view of the described catalyzed oxidation noble electrode of present embodiment plate A-A direction);
Wherein, catch 102 has the first end 202 that links to each other with battery lead plate and away from the second end 203 of battery lead plate, described the second end 203 is 1/6 of adjacent electrode distance between plates with the vertical range of battery lead plate.
Embodiment 2
A kind of catalyzed oxidation noble electrode plate of handling high COD sewage, open hole 2101 at described battery lead plate, the through hole outside is covered with catch 2201, described catch 2201 is bonded on the battery lead plate, its decomposition texture is (Fig. 4 is the decomposition texture synoptic diagram of the described catalyzed oxidation noble electrode of present embodiment plate, and Fig. 5 is the structural representation of the described catalyzed oxidation noble electrode of present embodiment plate) specifically as shown in Figure 4;
Wherein, catch 2201 has the first end 2202 that links to each other with battery lead plate and away from the second end 2203 of battery lead plate, described the second end 2203 is 1/7 ~ 1/4 of adjacent electrode distance between plates with the vertical range of battery lead plate.
The cross-sectional shape of wherein said through hole 2101 can be arbitrarily, can be square, circular, trilateral, pentagon, hexagon, the shape of a hoof, ellipse or Polygons etc., even can be pentagram, quincunx etc. (Fig. 6 is to be the front view of the catalyzed oxidation noble electrode plate that obtains of example with the circular port).
Embodiment 3
A kind of catalyzed oxidation compound electrode of handling high COD sewage, described compound electrode is combined at interval by ferroelectric pole plate 302 and embodiment 1 or embodiment 2 described catalyzed oxidation noble electrode plates 301, the described catalyzed oxidation battery lead plate direct supply that is connected in parallel, the installation direction unanimity of the turbulent flow parts of described catalyzed oxidation battery lead plate 301, (Fig. 7 is the structural representation of the described catalyzed oxidation compound electrode of present embodiment) specifically as shown in Figure 7.
Embodiment 4
A kind of catalytic oxidizing equipment of handling high COD sewage, press the flow direction of sewage, comprise electrocatalytic reaction district 2, depositing separation area 3 and water outlet collecting region 4 successively, described electrocatalytic reaction district 2 is connected with medicine system 5, be equiped with embodiment 3 described catalyzed oxidation compound electrodes 1 in the described electrocatalytic reaction district 2, described catalyzed oxidation compound electrode 1 connects direct supply 6 concrete structures (Fig. 8 is the structural representation of the described catalytic oxidizing equipment of present embodiment) as shown in Figure 8.
In the catalytic oxidizing equipment of described processing high COD sewage, employing is equipped with the catalyzed oxidation compound electrode of the catalyzed oxidation inertia pole plate composition in crescent moon hole, increased water stream channel, strengthened interaction, increased the current disturbance, promote the generation of hydroxyl radical free radical, thereby improved the efficient of electrochemical reaction.
Because COD kind difference in the processed water, the catalytic oxidizing equipment of the processing high COD sewage that employing embodiment 4 provides is handled high COD sewage, and its effect has improved about 15% ~ 35% than the inertia pole plate for dull and stereotyped high COD sewage treatment unit.
Applicant's statement, the utility model illustrates detailed process equipment of the present utility model and technical process by above-described embodiment, but the utility model is not limited to above-mentioned detailed process equipment and technical process, does not mean that namely the utility model must rely on above-mentioned detailed process equipment and technical process could be implemented.The person of ordinary skill in the field should understand; to any improvement of the present utility model; to the interpolation of the equivalence replacement of each raw material of the utility model product and ancillary component, the selection of concrete mode etc., all drop within protection domain of the present utility model and the open scope.
Claims (8)
1. catalyzed oxidation noble electrode plate of handling high COD sewage, it is characterized in that, laying is used for sewage at the flow component that circulates between battery lead plate and the turbulent flow parts that are used to form the current turbulent flow that cover on the flow component on the described battery lead plate, and described flow component is out the through hole (101) on battery lead plate; Described turbulent flow parts are for covering on the catch (201) outside the through hole (101), and described catch (201) has the first end (202) that links to each other with battery lead plate and away from the second end (203) of battery lead plate; Described the second end (203) extends to the water inlet direction of sewage.
2. catalyzed oxidation noble electrode plate as claimed in claim 1 is characterized in that, the cross section of described through hole (101) is horse-hof shape, and described catch (201) is extended to form by the curved edge of through hole (101) horse-hof shape.
3. catalyzed oxidation noble electrode plate as claimed in claim 1 is characterized in that, described catch (201) is flat board or arch bent plate.
4. as the described catalyzed oxidation noble electrode of one of claim 1-3 plate, it is characterized in that described the second end (203) is 1/7～1/4 of adjacent electrode distance between plates with the vertical range of battery lead plate.
5. as the described catalyzed oxidation noble electrode of one of claim 1-3 plate, it is characterized in that described catch (201) all is positioned at the same side of battery lead plate.
6. catalyzed oxidation compound electrode of handling high COD sewage, it is characterized in that, described compound electrode is combined at interval by one of ferroelectric pole plate (302) and claim 1-5 described catalyzed oxidation noble electrode plate (301), the described catalyzed oxidation battery lead plate direct supply that is connected in parallel.
7. catalyzed oxidation compound electrode as claimed in claim 6 is characterized in that, the installation direction unanimity of the turbulent flow parts of described catalyzed oxidation battery lead plate (301).
8. catalytic oxidizing equipment of handling high COD sewage, press the flow direction of sewage, comprise electrocatalytic reaction district (2), depositing separation area (3) and water outlet collecting region (4) successively, described electrocatalytic reaction district (2) is connected with medicine system (5), it is characterized in that, be equiped with claim 6 or 7 described catalyzed oxidation compound electrodes (1) in the described electrocatalytic reaction district (2), described catalyzed oxidation compound electrode (1) connects direct supply (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642778 CN203048643U (en) | 2012-11-28 | 2012-11-28 | Catalyzed oxidation inertness electrode plate, compound electrode and device for processing high-COD (Chemical Oxygen Demand) sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642778 CN203048643U (en) | 2012-11-28 | 2012-11-28 | Catalyzed oxidation inertness electrode plate, compound electrode and device for processing high-COD (Chemical Oxygen Demand) sewage |
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| Publication Number | Publication Date |
|---|---|
| CN203048643U true CN203048643U (en) | 2013-07-10 |
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| CN 201220642778 Expired - Lifetime CN203048643U (en) | 2012-11-28 | 2012-11-28 | Catalyzed oxidation inertness electrode plate, compound electrode and device for processing high-COD (Chemical Oxygen Demand) sewage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891610A (en) * | 2015-05-25 | 2015-09-09 | 北京华瑞创源环保科技有限公司 | Heterotopic electro-flocculation device and method |
| CN104944534A (en) * | 2015-05-25 | 2015-09-30 | 北京华瑞创源环保科技有限公司 | Wastewater electrooxidation device using hollow electrode plates |
| CN107986402A (en) * | 2018-01-02 | 2018-05-04 | 绍兴市海清环保科技有限公司 | Dyeing waste water highly effective reaction device |
| CN111960510A (en) * | 2020-07-29 | 2020-11-20 | 上海电力大学 | Battery pole piece fixing device and using method thereof |
-
2012
- 2012-11-28 CN CN 201220642778 patent/CN203048643U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891610A (en) * | 2015-05-25 | 2015-09-09 | 北京华瑞创源环保科技有限公司 | Heterotopic electro-flocculation device and method |
| CN104944534A (en) * | 2015-05-25 | 2015-09-30 | 北京华瑞创源环保科技有限公司 | Wastewater electrooxidation device using hollow electrode plates |
| CN104944534B (en) * | 2015-05-25 | 2017-05-31 | 中大立信（北京）技术发展有限公司 | A kind of Wastewater by Electric oxidation unit of use hollow electrode plate |
| CN107986402A (en) * | 2018-01-02 | 2018-05-04 | 绍兴市海清环保科技有限公司 | Dyeing waste water highly effective reaction device |
| CN107986402B (en) * | 2018-01-02 | 2023-05-12 | 浙江海印数码科技有限公司 | High-efficient reaction unit of printing and dyeing wastewater |
| CN111960510A (en) * | 2020-07-29 | 2020-11-20 | 上海电力大学 | Battery pole piece fixing device and using method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 101300 4th floor, building 12, yard 13, Mintai Road, Beiwu Town, Shunyi District, Beijing Patentee after: BEIJING JINGRUN ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 100085, Ka Wah building, 3 East Road, Beijing, Haidian District, D812 Patentee before: BEIJING JINGRUN NEW TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |