CN205115109U - A multi -chambered multidimension electrocoagulation device for high ammonia -nitrogen concentration waste water - Google Patents
A multi -chambered multidimension electrocoagulation device for high ammonia -nitrogen concentration waste water Download PDFInfo
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- CN205115109U CN205115109U CN201520575983.1U CN201520575983U CN205115109U CN 205115109 U CN205115109 U CN 205115109U CN 201520575983 U CN201520575983 U CN 201520575983U CN 205115109 U CN205115109 U CN 205115109U
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Abstract
The utility model relates to a multi -chambered multidimension electrocoagulation device for high ammonia -nitrogen concentration waste water, multi -chambered multidimension electrocoagulation device includes and is provided with anode plate, negative plate, baffle, particle electrode, aeration district in electrocoagulation device shell, high -voltage pulse power, the shell, still be provided with auxiliary assembly on the shell, the composite catalyst coating is all taken to anode plate, negative plate, respectively with the high -voltage pulse power just, the negative pole links to each other. Multi -chambered multidimension electrocoagulation device utilizes the high -voltage pulse power as the device power to it has the particle electrode to fill between negative plate and anode plate, and not only the energy consumption can be reduced by a wide margin, but also electrode specific surface can be increased, increasing current efficiency, the small bubble that produces in the electrolytic process simultaneously still can play the air supporting effect, thereby has improved the treatment effect of device to waste water on the whole greatly. The device puts in order convenient operation, and current collection flocculation, electro -catalysis, air supporting technology are as an organic whole, and accessible multi -chambered realizes carrying out multilevel processing to waste water in succession.
Description
Technical field
The utility model relates to a kind of high ammonia-nitrogen wastewater treatment unit, is specifically related to a kind of multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater.
Background technology
In recent years; along with the reinforcement day by day of environmental protection work; in water body, the organic index-COD that represents obtains effective control substantially; but high ammonia-nitrogen wastewater qualified discharge is not but effectively controlled; undressed nitrogenous effluent discharges and causes great harm to environment; as easily caused lake eutrophication, marine red tide etc.Through preliminary search, the treatment process of current ammonia nitrogen waste water mainly contains blow-off method, chemical oxidation, biological denitrification process-nitrated/denitrification method; Blow-off method is by the ion state ammonium (NH in waste water
4 +), molecular state ammonia is converted into by adjust ph, the air be passed into subsequently or steam blowout, blow-off method generally adopts filler stripping tower, principal character is the packing layer of device certain altitude in tower, utilize the packed tower of high surface area fully to contact to reach air water, be beneficial to the mass transfer process between air water.The waste water of the industries such as steel-making, petrochemical complex, chemical fertilizer, organic chemical industry, the normal ammonia containing very high density, therefore conventional steam blow-off method process.Steam blow-off method is generally used for the pre-treatment of high-concentration ammonia nitrogenous wastewater, and this treatment technology efficiencies of nitrogen removal is better, but running cost is high, the perishable fouling of equipment, and easily causes secondary pollution.Chemical oxidation techniques mainly comprises break point chlorination method and catalytic wet air oxidation.Break point chlorination method is by adding enough chlorine to making NH in waste water
3-N is oxidized to the method for harmless nitrogen gas.Catalytic wet air oxidation is under certain temperature, pressure and catalyst action, through atmospheric oxidation, make the organism in sewage and ammonia respectively oxygen resolve into CO
2, N
2, H
2the innoxious substances such as O, thus the object reaching purification.Although chemical oxidization method is swift in response completely, required equipment investment is less, and working cost is very high, is not suitable for the process of big yield high-concentration ammonia nitrogenous wastewater.Nitrated/denitrification method be ammonia nitrogen in waste water under aerobic bacteria effect, final oxidation generates nitrate, and this process is called nitration reaction.Anti-nitration reaction refers under anaerobic, and denitrifying bacteria is by nitrate nitrogen (NO
3-) be reduced to nitrogen (N
2) process.Biological denitrification process working cost is low, be the denitride technology be most widely used at present, but the removal effect of biological denitrification process to ammonia nitrogen is limited, because high ammonia-nitrogen wastewater can produce toxic action to the microorganism in water, and the process of low concentration wastewater in being only applicable to.Therefore, a kind of new technical scheme of exigence solves the technical problem existed in prior art.
Utility model content
In order to solve above-mentioned Problems existing, the utility model discloses a kind of multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater, this device overall construction design is ingenious, easy to operate, multicell multidimensional electrocoagulation technology is utilized to carry out multidimensional cohesion and catalyzed oxidation to high ammonia-nitrogen wastewater, significantly reduce the Pollutant levels such as ammonia nitrogen, COD in waste water, reduce running cost simultaneously.
To achieve these goals, the technical solution of the utility model is as follows, for the multicell multidimensional electro-coagulation equipment of high ammonia-nitrogen wastewater, it is characterized in that, described multicell multidimensional electro-coagulation equipment comprises in electro-coagulation equipment shell, high-voltage pulse power source, shell and is provided with positive plate, negative plate, described shell is also provided with accessory part, and described positive plate, negative plate are connected with the positive and negative electrode of high-voltage pulse power source respectively by copper conductor.Be provided with dividing plate in described shell, whole electro-coagulation equipment is divided into multiple diversion chamber by described dividing plate, particle loaded electrode between described negative plate, positive plate, and the packing density of granule electrode is 10%, and particle diameter is 2 ~ 5mm.Granule electrode is filled with between negative plate and positive plate, increase electrode specific surface area, can current efficiency be improved, reduce energy consumption and cost for wastewater treatment, micro-bubble can be produced in simultaneous reactions process and play air supporting effect, thus improve the overall water treatment effect of device.Described outer casing bottom arranges aeration zone, not only can make granule electrode when plant running be suspended state to improve reaction effect, and can also alleviate pole plate pollute and granule electrode blocking.
Improve as one of the present utility model, described negative plate, positive plate take multistage alternating decoration form, polar plate spacing 2 ~ 3cm between described negative plate, positive plate, negative plate, positive plate replace the removal effect that decoration form can improve ammonia nitrogen, and the combination nearby of yin, yang pole plate can process waste water fast, fully, make the treatment effect of high ammonia-nitrogen wastewater more stable.
Improve as one of the present utility model, described negative plate is the iron plate of band composite catalyst coating, and described positive plate is the graphite cake of band composite catalyst coating.Described coating is the complex metal oxides of titaniferous, and main component is TiO
2, SnO
2, MnO
2, its mass ratio is 2:1:1.
Improve as one of the present utility model, described granule electrode material is made up of the haydite of waste iron filing, activated carbon granule and band catalyst coat, this technical scheme adopts the haydite of waste iron filing, activated carbon granule and band catalyst coat to purify high ammonia-nitrogen wastewater further as granule electrode, to the ammonia nitrogen in waste water, organism, colourity etc., there is very high removal effect, can more than 90% be reached to the clearance of ammonia nitrogen, can more than 75% be reached to the clearance of COD.
Improve as one of the present utility model, the coating of the haydite of described band catalyst coat is the complex metal oxides of titaniferous, and described complex metal oxides contains TiO
2, SnO
2, MnO
2, its volume ratio is 2:1:1, can give full play to the synergistic effect of catalyzer, and its cost is also comparatively cheap with this proportions catalyst coat.
Improve as one of the present utility model, bottom described multicell multidimensional electro-coagulation equipment, be provided with aeration zone, by aeration tube aeration in described aeration zone.
Improve as one of the present utility model, described accessory part is shore pipe, overflow weir.
Improve as one of the present utility model, described electro-coagulation equipment shell is made up of plastics, glass reinforced plastic, stainless steel or carbon steel.
Relative to prior art, advantage of the present utility model is as follows, 1) whole Technical Design is ingenious, compact construction, 2) this technical scheme current collection flocculation, electrocatalysis, air-float technology is integrated, treatment effect is obviously better than conventional single electrocoagulation, electrocatalysis, air supporting and electrolyzer, energy consumption is also lower, granule electrode is filled with between negative plate and positive plate, increase electrode specific surface area, current efficiency can be improved, reduce energy consumption and cost for wastewater treatment, micro-bubble can be produced in simultaneous reactions process and play air supporting effect, thus improve the overall water treatment effect of device, 3) this technical scheme adopts the haydite of waste iron filing, activated carbon granule and band catalyst coat as granule electrode, to the ammonia nitrogen in waste water, organism, colourity etc., there is very high removal effect, can more than 90% be reached to the clearance of ammonia nitrogen, can more than 75% be reached to the clearance of COD, adopt waste iron filing as some particles electrode, not only can realize the recycling of refuse, but also can reduce costs, adopt granulated active carbon as some particles particle, not only can utilize its porosity characteristic to increase the contact area with waste water, but also the effect of absorption and bio-carrier can be played, 4) device adopts high-voltage pulse power source, also the loss of iron pole plate can be considerably reduced while economize on electricity, plant automation degree is high, effective, instant effect, simple to operate, applied widely, do not affect by toxic substance in waste water, and plant running is stablized, cost is lower, long service life, maintenance are more convenient, 5) this technical scheme drying time shortens greatly, and working efficiency is high, easy to maintenance, and cost is lower, easy to utilize.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram;
In figure: 1 water inlet pipe, 2 negative plates, 3 positive plates, 4 high-voltage pulse power sources, 5 copper conductors, 6 shore pipes, 7 diversion chamber, 8 overflow weirs, 9 rising pipes, 10 device housings, 11 aeration tubes, 12 granule electrodes, 13 dividing plates.
Embodiment
In order to deepen, to understanding of the present utility model and understanding, below in conjunction with the drawings and specific embodiments, to illustrate the utility model further.
embodiment 1:
See Fig. 1, for the multicell multidimensional electro-coagulation equipment of high ammonia-nitrogen wastewater, described multicell multidimensional electro-coagulation equipment comprises electro-coagulation equipment shell 10, high-voltage pulse power source 4, positive plate 2 is provided with in shell, negative plate 3, diversion chamber 7, granule electrode 12, dividing plate 13, aeration zone, described shell is also provided with accessory part, described positive plate 2 is the graphite cake of band catalyst coat, described negative plate 3 is the iron plate of catalyst coat, respectively by copper conductor 5 and high-voltage pulse power source 4 just, negative pole is connected, granule electrode 12 is filled with between negative plate and positive plate, increase electrode specific surface area, current efficiency can be improved, reduce energy consumption and cost for wastewater treatment, micro-bubble can be produced in simultaneous reactions process and play air supporting effect, thus improve the overall water treatment effect of device.The packing density of described granule electrode is 10%, and particle diameter is 2 ~ 5mm, and material is made up of waste iron filing, activated carbon granule, and its mass ratio is 1:1.Described dividing plate is water tightness closure, dividing plate and both sides pool wall need encapsulation process, the effect that the series connection of multistage electrocoagulation is played by multiple diversion chamber is formed by dividing plate, the quantity of general device median septum is 6 ~ 12, specifically can require setting according to site space size, water treatment effect etc., dividing plate in Fig. 1 is 6, by aeration tube 11 aeration in described aeration zone.This technical scheme overall construction design is ingenious, compact, adopt high-voltage pulse power source, also the loss of iron pole plate can be considerably reduced while economize on electricity, plant automation degree is high, effective, instant effect, simple to operate, applied widely, do not affect by toxic substance in waste water, and plant running is stablized, and cost is lower, long service life, maintenance are more convenient.
embodiment 2:
See Fig. 1, improve as one of the present utility model, described negative plate, positive plate take multistage alternating decoration form, polar plate spacing 2 ~ 3cm between described negative plate 2, positive plate 3, in general device, yin, yang pole plate is set to 2 ~ 4 grades, every grade comprises 1 piece of negative plate and 1 piece of positive plate, and specifically can set according to waste water water yield size, the yin, yang pole plate in Fig. 1 is 2 grades.
embodiment 3:
See Fig. 1, improve as one of the present utility model, described negative plate is the iron plate of band composite catalyst coating, and described positive plate is the graphite cake of band composite catalyst coating.Described coating is the complex metal oxides of titaniferous, and its composition is TiO
2, SnO
2, MnO
2, mass ratio is 2:1:1.
embodiment 4:
See Fig. 1, improve as one of the present utility model, described granule electrode material is made up of the haydite of waste iron filing, activated carbon granule and band catalyst coat, its mass ratio is 2:2:1, this granule electrode can give full play to the combined reinforced catalysis of iron filings and catalyzer, and its cost is also comparatively cheap.This technical scheme adopts the haydite of waste iron filing, activated carbon granule and band catalyst coat as granule electrode, to the ammonia nitrogen in waste water, organism, colourity etc., there is very high removal effect, can more than 90% be reached to the clearance of ammonia nitrogen, can more than 75% be reached to the clearance of COD; Adopt waste iron filing as some particles electrode, not only can realize the recycling of refuse, but also can reduce costs; All the other structures are identical with embodiment 1 with advantage.
embodiment 5:
See Fig. 1, improve as one of the present utility model, the coating in the haydite of described band catalyst coat is the complex metal oxides of titaniferous, and described complex metal oxides comprises TiO
2, SnO
2, MnO
2, its mass ratio is 2:1:1, can give full play to the synergy of multiple catalysts with the oxygenant coating of this proportions on the one hand, and price is also comparatively cheap on the other hand.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:
See Fig. 1, improve as one of the present utility model, be provided with aeration zone bottom described multicell multidimensional electro-coagulation equipment, in described aeration zone, be provided with micro-hole aerator.In operational process by aeration make on the one hand granule electrode be suspended state to improve reaction effect, alleviate pole plate on the other hand and to pollute and granule electrode blocks.All the other structures are identical with embodiment 1 with advantage.
embodiment 7:
See Fig. 1, improve as one of the present utility model, described accessory part is one or two in shore pipe 6, overflow weir 8.All the other structures are identical with embodiment 1 with advantage.
embodiment 8:
See Fig. 1, improve as one of the present utility model, described electro-coagulation equipment shell is made up of plastics, glass reinforced plastic, stainless steel or carbon steel.All the other structures are identical with embodiment 1 with advantage.
principle of work:as shown in Figure 1, high ammonia-nitrogen wastewater enters after multicell multidimensional electro-coagulation equipment through water inlet pipe 1, first the voltage and current by regulating the knob on high-voltage pulse power source 4 to regulate electrocoagulation reaction needed, then negative plate 2, positive plate 3 and granule electrode 12 brine electrolysis under the effect of high-voltage pulse current produces HO and strong oxidizer, as ClO
-deng, and under containing the effect of titanium complex catalyst, catalyzed oxidation decomposition is carried out to pollutents such as the ammonia nitrogen in waste water, COD, macromole is broken into small molecules, the stream of electrons motion participated in again in water obtains electronics or loses electronics, bed electrolysis is made to produce electronic migration, form electrochemical reaction, finally produce coprecipitated precipitation with molysite again, electrolytic process middle-jiao yang, function of the spleen and stomach pole plate 3, negative plate 2 surface constantly produce oxygen and hydrogen simultaneously, form very little bubble, dispersity is high, can adhere to suspended solids in water and removing of floating as carrier.
High ammonia-nitrogen wastewater after catalytic electrolysis and aggregation is discharged by rising pipe 9 or carries out the biology in-depth process of next stage.Multicell multidimensional electro-coagulation equipment is provided with shore pipe 6, carries out regular spoil disposal, pollutes negative plate 2 and positive plate 3 to prevent silt particle and blocks granule electrode 12.
application example 1:
Table 1 is the process example of Shandong pharmacy waste water, reaction times 60min, and contained by the waste water before and after this device process, pollutent contrast is as follows:
application example 2:
Table 2 is process examples of Jiangsu pharmacy waste water, reaction times 60min, and contained by the waste water before and after this device process, pollutent contrast is as follows:
application example 3:
Table 3 is process examples of Anhui percolate, reaction times 60min, and contained by the waste water before and after this device process, pollutent contrast is as follows:
application example 4:
Table 4 is process examples of Anhui wastewater from chemical industry, reaction times 60min, and contained by the waste water before and after this device process, pollutent contrast is as follows:
Can find out, the content of the above-mentioned Wastewater Pollutant after this device process reduces greatly, and this apparatus design is reasonable, and can not produce secondary pollution in treating processes, cost is lower, is convenient to apply on a large scale.
At least one in technical characteristic described in embodiment 2,3,4,5,6,7,8 and embodiment 1 can also combine by the utility model, form new embodiment.
It should be noted that; above-described embodiment is only preferred embodiment of the present utility model; be not used for limiting protection domain of the present utility model, the equivalent replacement that the basis of technique scheme is made or substitute, all belong to protection domain of the present utility model.
Claims (7)
1. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater, it is characterized in that, described multicell multidimensional electro-coagulation equipment comprises in electro-coagulation equipment shell, high-voltage pulse power source, shell and is provided with positive plate, negative plate, described shell is also provided with accessory part, and described positive plate, negative plate are connected with the positive and negative electrode of high-voltage pulse power source respectively by copper conductor.
2. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater according to claim 1, it is characterized in that, be provided with dividing plate in described shell, whole electro-coagulation equipment is divided into multiple diversion chamber by described dividing plate.
3. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater according to claim 2, it is characterized in that, described negative plate, positive plate take multistage alternating decoration form, the polar plate spacing 2 ~ 3cm between described negative plate, positive plate.
4. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater according to claim 3, is characterized in that, particle loaded electrode between described negative plate, positive plate, and the packing density of granule electrode is 10%, and particle diameter is 2 ~ 5mm.
5. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater according to claim 4, is characterized in that, is provided with aeration zone bottom described multicell multidimensional electro-coagulation equipment, by aeration tube aeration in described aeration zone.
6. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater according to claim 5, is characterized in that, described accessory part is one or two in shore pipe, overflow weir.
7. the multicell multidimensional electro-coagulation equipment for high ammonia-nitrogen wastewater according to claim 6, it is characterized in that, described electro-coagulation equipment shell is made up of plastics, glass reinforced plastic, stainless steel or carbon steel.
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| CN201520575983.1U CN205115109U (en) | 2015-08-04 | 2015-08-04 | A multi -chambered multidimension electrocoagulation device for high ammonia -nitrogen concentration waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060419A (en) * | 2015-08-04 | 2015-11-18 | 南京中创水务集团股份有限公司 | Multi-chamber multidimensional electro-coagulation apparatus for high ammonia nitrogen wastewater |
| CN107176728A (en) * | 2017-07-19 | 2017-09-19 | 华北理工大学 | A kind of electrochemical oxidation process processing sewage device and the method that sewage is handled with it |
-
2015
- 2015-08-04 CN CN201520575983.1U patent/CN205115109U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060419A (en) * | 2015-08-04 | 2015-11-18 | 南京中创水务集团股份有限公司 | Multi-chamber multidimensional electro-coagulation apparatus for high ammonia nitrogen wastewater |
| CN107176728A (en) * | 2017-07-19 | 2017-09-19 | 华北理工大学 | A kind of electrochemical oxidation process processing sewage device and the method that sewage is handled with it |
| CN107176728B (en) * | 2017-07-19 | 2020-10-20 | 华北理工大学 | Device for treating sewage by electrochemical oxidation method and method for treating sewage by using device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20200804 |
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