CN207062059U - A kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC) - Google Patents
A kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC) Download PDFInfo
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- CN207062059U CN207062059U CN201720736099.0U CN201720736099U CN207062059U CN 207062059 U CN207062059 U CN 207062059U CN 201720736099 U CN201720736099 U CN 201720736099U CN 207062059 U CN207062059 U CN 207062059U
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- oxidation pond
- packing layer
- sewage
- water distributor
- coc
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Abstract
The utility model discloses a kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC), including stair oxidation pond and secondary oxidation pond, stair oxidation pond includes the cylindrical sleeve of cylindrical reactive agent and coaxial sleeve in reactive agent, Fenton oxidation area is formed between reactive agent and cylindrical sleeve, is iron-carbon micro-electrolysis area in cylindrical sleeve；Top is provided with ultraviolet lamp tube in secondary oxidation pond, ozonation aerated pipe is provided with secondary oxidation pond at ultraviolet lamp tube lower section, one-level packing layer, two level packing layer and three-level packing layer are interval with successively from top to bottom at the lower section of ozonation aerated pipe in secondary oxidation pond；The second water distributor is provided with the lower section of three-level packing layer in secondary oxidation pond, the second water distributor connects with the first outlet pipe.The utility model sets two-stage oxidation pond to carry out multi-stage oxidizing processing to sewage, so as to carry out oxidation Decomposition to most pollutant in sewage, reduces COD of sewage concentration, is advantageous to the progress of subsequent bio reaction.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular to a kind of special oxidation of sewage of high chemical oxygen consumption (COC)
Processing unit.
Background technology
With the fast development of social economy, the value volume and range of product into the pollutant in water also sharply increases therewith, right
Water body causes serious pollution, and the waste water of especially high chemical oxygen consumption (COC), its COD concentration can typically reach mg/L up to ten thousand, to me
The valuable water resource of state causes serious threat.Because the usual biodegradability of the waste water of these high chemical oxygen consumption (COC)s is poor, using normal
The bioremediation of rule is difficult to be processed to up to standard, and conventional physics, chemical method are also difficult to meet that its purification requires, this
Would have to consider other processing methods.
High-level oxidation technology, i.e. AOPs technologies are water treatment technologies emerging in recent years, due to the degraded tool to pollutant
There are high efficiency, generality and completeness, it has also become the hot subject of domestic and international water process research field.High-level oxidation technology is main
It is that the extremely strong free radical of a large amount of activity is produced by physical and chemical processes such as light, sound, electricity, magnetic, recycles the Strong oxdiative of free radical
Property come the method for water pollutant of degrading, and pollutant is finally oxidized and is decomposed into CO2、H2O and beneficial to subsequent bio reaction
Micromolecular compound.
According to the mode and the difference of reaction condition for producing free radical, high-level oxidation technology can be divided into photochemical oxidation, sound
Chemical oxidation, ozone oxidation, electrochemical oxidation, Fenton oxidation etc., although AOPs technologies have multinomial advantage, at present in state
It is interior it is widely used be still traditional water technology, such as：Activated sludge process, biomembrance process.Main reason is that AOPs technologies
The exploration time it is still short, basic theory is not also very perfect, along with actual contaminated system complexity is various so that AOPs technologies without
Solved the problems, such as by many require study in theoretical research or practical application all be present.In addition at this stage sewage plant substantially with
Based on I and II processing, AOPs technologies are mainly used in tertiary treatment, i.e. advanced treating, and processing cost is high, reaction condition
Harsh, reactor complexity, oxidant and catalyst consumption amount big city make AOPs technologies deviate practical application.But with country
To increasingly strict and Treated sewage reusing the pressing needs of water standard, conventional biochemical method and physico-chemical process are extremely difficult to above-mentioned want
Ask, thus bring opportunity for AOPs technologies.How to realize the integrated application of AOPs technologies in actual applications is to be badly in need of solution
Certainly the problem of.
Utility model content
The purpose of this utility model is to provide a kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC), solves existing
Have that the usual biodegradability of waste water of high chemical oxygen consumption (COC) in technology is poor, the bioremediation using routine is difficult to be processed to reach
Mark, and conventional physics, chemical method are also difficult to meet the problem of its purification requires.
The utility model provides a kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC), including stair oxidation pond
And secondary oxidation pond, the stair oxidation pond include cylindrical reactive agent and coaxial sleeve in the reactive agent
Cylindrical sleeve, Fenton oxidation area is formed between the reactive agent and the cylindrical sleeve, is in the cylindrical sleeve
Iron-carbon micro-electrolysis area；
The upper end of the reactive agent side is provided with drug tube, and the upper end with respect to opposite side is provided with the first outlet pipe, bottom
The first water inlet pipe is additionally provided with, filter plate, and the filter plate position are provided with cylindrical sleeve top in the reactive agent
In the lower section of first outlet pipe；The bottom of the cylindrical sleeve is provided with the first water distributor, first water distributor and institute
The connection of the first water inlet pipe is stated, iron-carbon micro-electrolysis layer is provided with the top of first water distributor in the cylindrical sleeve；
The secondary oxidation pond is connected by first outlet pipe with the stair oxidation pond, in the secondary oxidation pond
Top is provided with ultraviolet lamp tube, and ozonation aerated pipe is provided with the lower section of the ultraviolet lamp tube in the secondary oxidation pond, described
Ozonation aerated pipe is through the secondary oxidation pond and is connected with the ozone generator outside secondary oxidation pond, the two level oxygen
Change pond in be located at the ozonation aerated pipe lower section at be interval with successively from top to bottom one-level packing layer, two level packing layer and
Three-level packing layer, the diatomite layer filled with load heterogeneous oxidization iron catalyst in the one-level packing layer, the two level packing layer
In filled with the diatomite layer for loading homogeneous iron ion catalyst, filled with load TiO in the three-level packing layer2、V2O5Powder
Diatomite layer；In the secondary oxidation pond the second water distributor, second cloth are provided with the lower section of the three-level packing layer
Water pipe is connected with first outlet pipe, and second is additionally provided with the side wall relative with first outlet pipe of the secondary oxidation pond
Outlet pipe, and second outlet pipe is between the ultraviolet lamp tube and the ozonation aerated pipe.
Preferably, pH detectors are provided with the stair oxidation pond.
Preferably, the homogeneous iron ion catalyst includes the iron ion of divalence or trivalent.
Preferably, the bottom in the secondary oxidation pond is provided with discharge pipeline.
Preferably, first water distributor, be provided with multiple spray heads on second water distributor.
Compared with prior art, the beneficial effects of the utility model are：
1) the utility model sets stair oxidation pond to handle sewage, and sets iron carbon micro- in stair oxidation pond
Electrolysis zone and Fenton oxidation area carry out two-stage oxidation processing to sewage, have both improved sewage oxidation treatment effeciency, and have also used iron
Reaction reagent of the ferrous ion caused by carbon micro-electrolysis as Fenton oxidation, has greatly saved cost.
2) the utility model sets secondary oxidation pond to handle sewage, utilization ozone and ultraviolet secondary oxidation pond in
Line, catalytic are combined, and sewage is handled by level Four oxidation reaction, and the water outlet COD contents after processing are low, Neng Gouman
The requirement of sufficient subsequent biological treatment and qualified discharge.
Brief description of the drawings
Fig. 1 is the structural representation of the sewage Special oxidation treatment device of high chemical oxygen consumption (COC) provided by the utility model.
Description of reference numerals：
1- reactive agents, 2- cylindrical sleeves, 3- drug tubes, the outlet pipes of 4- first, the water inlet pipes of 5- first, 6- filter plates, 7-
First water distributor, 8- iron-carbon micro-electrolysis layers, 9- ultraviolet lamp tubes, the ozonation aerated pipes of 10-, 11- ozone generators, 12- one-level fillers
Layer, 13- two level packing layers, 14- three-level packing layers, the water distributors of 15- second, the outlet pipes of 16- second, 17- discharge pipelines.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by embodiment.
A kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC), it is specific as shown in figure 1, including stair oxidation pond with
And secondary oxidation pond, stair oxidation pond include the cylindrical shroud of cylindrical reactive agent 1 and coaxial sleeve in reactive agent 1
Cylinder 2, Fenton oxidation area is formed between reactive agent 1 and cylindrical sleeve 2, is iron-carbon micro-electrolysis area in cylindrical sleeve 2；Cylinder
The bottom of shape sleeve 2 is provided with the first water distributor 7, and the first water distributor 7 connects with the first water inlet pipe 5, and the first water inlet pipe 5 will be high chemical
The sewage of oxygen demand is inputted in the first water distributor 7, using the multiple spray heads set on the first water distributor 7 by high chemical oxygen consumption (COC)
Sewage be uniformly sprayed onto in cylindrical sleeve 2 in the iron-carbon micro-electrolysis layer 8 at the top of the first water distributor 7, sewage is in iron
Anti- raw redox reaction and the attached collection of electricity in carbon micro-electrolysis layer 8, so as to be CO by pollutant oxidation Decomposition2、H2O and after being beneficial to
The micromolecular compound of continuous biological respinse, concrete principle are as follows：The main component of iron-carbon micro-electrolysis layer 8 is iron and carbon, due to Fe
1.2V difference in Electrode Potential between C be present, thus countless micro cell systems can be formed, an electricity is formed in its action space
, anode reaction generates substantial amounts of Fe2+Into waste water, cathode reaction produces [H] and [O] of a large amount of nascent states, in slant acidity
Under the conditions of, with many components in waste water redox reaction can occur for these active components, make macromolecular that chain rupture drop occur
Solution, so as to eliminate organic matter, improves the biochemical degree of waste water.
It should be noted that the utility model uses the first water distributor 7, and intake from the lower section of iron-carbon micro-electrolysis layer 8, from
And iron-carbon micro-electrolysis layer 8 is kept loose fluidized state, its consolidation is avoided, is advantageous to the progress of micro-electrolysis reaction, and
The mode of lower section water inlet can extend residence time of the sewage in iron-carbon micro-electrolysis area, be advantageous to improve the oxidation efficiency of sewage.
Explanation is needed further exist for, iron-carbon micro-electrolysis reaction needs to carry out in acid condition, can be with operating process
From the drug tube 3 that the side upper end of reactive agent 1 is set toward adding acid solution in stair oxidation pond, and using being provided with stair oxidation pond
PH detectors control pH value of sewage water, are at optimum reaction condition.
The reaction upward overflow of water outlet of iron-carbon micro-electrolysis area enters Fenton oxidation area, is set from the side upper end of reactive agent 1
Drug tube 3 is toward Fenton reagent is added in Fenton oxidation area, because the water outlet of iron-carbon micro-electrolysis area can carry substantial amounts of Fe2+, therefore, only
Need to add H in toward Fenton oxidation area202With appropriate acid solution, Fenton reagent is broken to the structure of dirty water pollutant
It is bad, it is gradually degraded as the organic matter of harmless low molecule amount, be finally degraded to CO2、H2O and other mineral salts.In acid bar
(general pH under part<3.5) Fe, is utilized2+As H2O2Catalyst, generation have very Strong oxdiative electrically and reactivity it is very high
Hydroxyl radical free radical, hydroxyl radical free radical generate organic free radical with hardly degraded organic substance in aqueous, destroy its structure, finally
Oxidation Decomposition.
Filter plate 6 is provided with the top of cylindrical sleeve 2 in reactive agent 1, filter plate 6 was carried out to the water outlet of stair oxidation pond
Filter, iron carbon flow is avoided to lose.
After the sewage of high chemical oxygen consumption (COC) is handled through stair oxidation pond, wherein COD contents can obtain very big degraded, be
COD is set further to reduce, to meet the requirement of subsequent biological treatment or qualified discharge, the water outlet of stair oxidation pond goes successively to two
Level oxidation pond carries out oxidative degradation.Secondary oxidation pond is connected by the first outlet pipe 4 with stair oxidation pond, the bottom in secondary oxidation pond
End is provided with the second water distributor 15, and the second water distributor 15 connects with the first outlet pipe 4, and the second water distributor 15 is provided with multiple sprays
The water outlet of stair oxidation pond is uniformly sprayed onto in three-level packing layer 14 by head, spray head, filled with load in three-level packing layer 14
TiO2、V2O5The diatomite layer of powder, the TiO of load2、V2O5Powder can catalysis ozone produce the higher hydrogen-oxygen of reduction potential from
By base, so as to wastewater efficient oxidative degradation；The water outlet of three-level packing layer 14 continuation is up, and into two level packing layer 13, two level is filled out
The iron ion of the diatomite layer of iron ion filled with load divalence or trivalent in the bed of material 13, divalence or trivalent continues catalysis ozone
The higher hydroxyl free radical of reduction potential is produced to wastewater efficient oxidative degradation；The water outlet of two level packing layer 13 continues up, entrance
One-level packing layer 12, the diatomite layer filled with load heterogeneous oxidization iron catalyst in one-level packing layer 12, heterogeneous oxidization iron enter one
Walk catalysis ozone and produce the higher hydroxyl free radical of reduction potential to wastewater efficient oxidative degradation；The water outlet of one-level packing layer 12 continues
It is up, in the presence of the ultraviolet lamp tube 9 that finally top is set in secondary oxidation pond, utilize ultraviolet light caused by ultraviolet lamp tube 9
It is used cooperatively with ozone, efficient oxidation Decomposition is carried out to the pollutant in sewage.
It should be noted that ozone has extremely strong oxidability (its reduction potential is 2.07V), and easily by purple in water
Outside line, the catalysis of catalyst produce the higher hydroxyl free radical (its reduction potential is 2.80V) of reduction potential, therefore, ozone with
In catalyst and ultraviolet lamp tube 9 in packing layers at different levels under the synergy of ultraviolet light, multistage oxygen is carried out to dirty water pollutant
Change, so that COD is reduced to a smaller scope, be advantageous to subsequent biological treatment or qualified discharge.
The side wall relative with the first outlet pipe 4 is provided with the second outlet pipe 16 on secondary oxidation pond, by secondary oxidation pond
Sewage after processing excludes to carry out subsequent operation through the second outlet pipe 16.
Preferably, the bottom in the secondary oxidation pond is provided with discharge pipeline 17.
Discharge pipeline 17 can periodically exclude the solid pollutant of secondary oxidation bottom of pond savings.
Disclosed above is only specific embodiment of the utility model, and still, the utility model embodiment is not limited to
This, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC), it is characterised in that including stair oxidation pond and two
Level oxidation pond, the stair oxidation pond include cylindrical reactive agent (1) and coaxial sleeve in the reactive agent (1)
Cylindrical sleeve (2), Fenton oxidation area, the cylinder are formed between the reactive agent (1) and the cylindrical sleeve (2)
It is iron-carbon micro-electrolysis area in sleeve (2)；
The upper end of reactive agent (1) side is provided with drug tube (3), and the upper end with respect to opposite side is provided with the first outlet pipe (4),
Bottom is additionally provided with the first water inlet pipe (5), and filter plate is provided with the cylindrical sleeve (2) top in the reactive agent (1)
(6), and the filter plate (6) is located at the lower section of first outlet pipe (4)；The bottom of the cylindrical sleeve (2) is provided with first
Water distributor (7), first water distributor (7) connect with first water inlet pipe (5), are located at institute in the cylindrical sleeve (2)
State and iron-carbon micro-electrolysis layer (8) is provided with the top of the first water distributor (7)；
The secondary oxidation pond is connected by first outlet pipe (4) with the stair oxidation pond, in the secondary oxidation pond
Top is provided with ultraviolet lamp tube (9), and ozonation aerated pipe is provided with the lower section of the ultraviolet lamp tube (9) in the secondary oxidation pond
(10), and the ozonation aerated pipe (10) is sent out through the secondary oxidation pond and with the ozone outside the secondary oxidation pond
Raw device (11) is connected, and interval is set successively from top to bottom at the lower section of the ozonation aerated pipe (10) in the secondary oxidation pond
There are one-level packing layer (12), two level packing layer (13) and three-level packing layer (14), be filled with the one-level packing layer (12)
The diatomite layer of heterogeneous oxidization iron catalyst is loaded, the silicon for loading homogeneous iron ion catalyst is filled with the two level packing layer (13)
Diatomaceous earth layer, filled with load TiO in the three-level packing layer (14)2、V2O5The diatomite layer of powder；In the secondary oxidation pond
The second water distributor (15), second water distributor (15) and described first are provided with the lower section of the three-level packing layer (14)
Outlet pipe (4) connects, and the secondary oxidation pond in the relative side wall of first outlet pipe (4) with being additionally provided with the second outlet pipe
(16), and second outlet pipe (16) is between the ultraviolet lamp tube (9) and the ozonation aerated pipe (10).
2. the sewage Special oxidation treatment device of high chemical oxygen consumption (COC) according to claim 1, it is characterised in that described one
PH detectors are provided with level oxidation pond.
3. the sewage Special oxidation treatment device of high chemical oxygen consumption (COC) according to claim 1, it is characterised in that described equal
Phase iron ion catalyst includes the iron ion of divalence or trivalent.
4. the sewage Special oxidation treatment device of high chemical oxygen consumption (COC) according to claim 1, it is characterised in that described two
The bottom of level oxidation pond is provided with discharge pipeline (17).
5. the sewage Special oxidation treatment device of high chemical oxygen consumption (COC) according to claim 1, it is characterised in that described
Multiple spray heads are provided with one water distributor (7), second water distributor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720736099.0U CN207062059U (en) | 2017-06-22 | 2017-06-22 | A kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720736099.0U CN207062059U (en) | 2017-06-22 | 2017-06-22 | A kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC) |
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| Publication Number | Publication Date |
|---|---|
| CN207062059U true CN207062059U (en) | 2018-03-02 |
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ID=61509449
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720736099.0U Expired - Fee Related CN207062059U (en) | 2017-06-22 | 2017-06-22 | A kind of sewage Special oxidation treatment device of high chemical oxygen consumption (COC) |
Country Status (1)
| Country | Link |
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| CN (1) | CN207062059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502840A (en) * | 2018-11-19 | 2019-03-22 | 江苏全给净化科技有限公司 | A kind of pretreatment unit of industrial wastewater |
| CN110508113A (en) * | 2019-10-24 | 2019-11-29 | 山东润扬环保设备有限公司 | The system and technique of micro-nano oxygen bubbles collaboration iron ion processing organic exhaust gas |
| CN111847791A (en) * | 2020-07-29 | 2020-10-30 | 中生源(海南)生态环境发展有限公司 | Deep well ecological pond |
-
2017
- 2017-06-22 CN CN201720736099.0U patent/CN207062059U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502840A (en) * | 2018-11-19 | 2019-03-22 | 江苏全给净化科技有限公司 | A kind of pretreatment unit of industrial wastewater |
| CN110508113A (en) * | 2019-10-24 | 2019-11-29 | 山东润扬环保设备有限公司 | The system and technique of micro-nano oxygen bubbles collaboration iron ion processing organic exhaust gas |
| CN110508113B (en) * | 2019-10-24 | 2020-02-04 | 山东润扬环保设备有限公司 | System and process for treating organic waste gas by micro-nano oxygen bubbles in cooperation with iron ions |
| CN111847791A (en) * | 2020-07-29 | 2020-10-30 | 中生源(海南)生态环境发展有限公司 | Deep well ecological pond |
| CN111847791B (en) * | 2020-07-29 | 2023-03-10 | 中生源(海南)生态环境发展有限公司 | Deep well ecological pond |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20190622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |