CN201250138Y - Ozone iron-zinc bed catalyzing device for wastewater treatment - Google Patents
Ozone iron-zinc bed catalyzing device for wastewater treatment Download PDFInfo
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- CN201250138Y CN201250138Y CNU2008201626309U CN200820162630U CN201250138Y CN 201250138 Y CN201250138 Y CN 201250138Y CN U2008201626309 U CNU2008201626309 U CN U2008201626309U CN 200820162630 U CN200820162630 U CN 200820162630U CN 201250138 Y CN201250138 Y CN 201250138Y
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Abstract
The utility model discloses an ozone catalysis iron-zinc bed device for wastewater treatment, which comprises a main body; the main body is divided into an outlet cavity, an inlet cavity and a middle cavity by grills; an inlet cavity pipe of the main body is connected with a water inlet pipe and an ozone generator; the middle cavity is filled with metal filler; the outlet cavity is provided with a water outlet pipe and a return pipe; the other end of the return pipe is connected with a circulating water pump; the other end of the circulating water pump is communicated with the inlet cavity pipe; the ozone catalysis iron-zinc bed device has the advantages of strong operability of the operation process, high automation degree, convenient management, quite low operation cost, the adoption of a method for catalyzing iron/zinc with ozone, stable treatment effect, and quite strong decomposition capability to the residual heterocycle organic matter in printing and dyeing wastewater.
Description
Technical field
The utility model relates to technical field of sewage treatment, particularly is used for the ozone iron zinc catalysis bed apparatus of wastewater treatment.
Background technology
The dyeing waste water amount is big, and pollution load is heavy, and dyeing waste water is through after the conventional second-stage treatment, and the water outlet COD that water outlet can reach " integrated wastewater discharge standard " GB8978-1996 regulation is lower than the emission request of 100mg/L.Along with the growing tension of water resources, dyeing waste water further carries out advanced treatment through after the second-stage treatment, is back to after the water water quality standard in the printing and dyeing industry production in reaching, and will have huge economy and society benefit.But dyeing waste water is easy to biodegradable organism approach exhaustion through after the second-stage treatment in the waste water, mainly be the organism of macromole difficult degradation among the residual COD, has caused very big difficulty for further advanced treatment.Practice shows, adopts general biological process, and is not good for the residual COD treatment effect of this part as activated sludge process or biomembrance process, is difficult to reach the required middle water water quality requirement of enterprise, and simple chemical agent flocculence also is difficult to play positive effect.Adopt chemical oxidization method, as Fenton reagent etc., can play the oxidation removal effect to residual difficult degradation COD, but running cost is too high, enterprise can't bear.
The main device patent of dyeing waste water advanced treatment and middle water reuse has at present:
1, be that (notification number: CN2538789Y): this device is the little electrolytic waste water treatment equipment of a kind of dynamic reinforcement, adopts electrochemical method that waste water is handled for the Chinese utility model patent " dynamically strengthening little electrolytic waste water treatment equipment " of ZL02205209.7 as the patent No..Device main body is the rotating cylinder of a horizontal positioned, dividing plate in the rotating cylinder is mutually compound with noble electrode, the noble electrode that graphite cake is formed is equidistant to be assigned on the positioning strip of dividing plate, and by copper conductor connection back caterpillar cylindrical shell, outside the device cylindrical shell, regularly be communicated with the fixed electrode holder, strengthen the microelectrolysis process of iron-carbon bed by carbon brush.This device is applicable to handling textile printing and dyeing wastewater and waste water from dyestuff, the wastewater from chemical industry that is difficult to biochemical degradation, pharmacy waste water, food fermentation waste water, oily(waste)water, wastewater from car washers etc. such as sanitary sewage, hair, cotton, fiber crops, chemical fibre.。
2, be 200710008643.0 Chinese patent application patent " a kind of treatment method of printing and dying wastewater " (notification number: CN101041532A): provide a kind of and combine with dyeing waste water conventional processing technology, the advanced treatment method for printing and dyeing wastewater of water reuse during water outlet reaches as number of patent application based on membrane technique based on membrane technique.The concrete implementation step of this method is: comprehensive wastewater is regulated pH and COD value, comprehensive wastewater is pumped into flocculation jar to add a flocculation agent and pumps into the flocculating settling container and get clear liquor, clear liquor pumps into membrane bioreactor to carry out biochemical treatment and gets dialyzate, dialyzate pumps into the reverse osmosis isolation system to carry out reverse osmosis isolation and gets the reuse of reverse osmosis dialyzate, concentrated solution flows into the oxidation adsorption tank and handles, and concentrated solution passes back into the flocculating settling treatment process to carry out the secondary flocculating settling and handle and reach the secondary discharge standard discharging.The discharging of reverse osmosis dialyzate eligible, the failure adds the Cl02 oxidation and regulates pH through the charcoal absorption processing and with alkali lye, precipitates in storagetank.Reverse osmosis waste water discharges after the conformance with standard after testing.
3, as number of patent application be 200710067593.3 Chinese patent application patent " the polyester piece good dyeing and finishing wastewater is handled and recycling method " (notification number: CN101041538A): present method with the polyester piece good dyeing and finishing wastewater by ternary compound inorganic high molecular flocculant and the common flocculation treatment of natural polymer composite flocculation agent, pass through filtering technique again, and in conjunction with biological treatment and ozone sterilization processing, the middle water that obtains mixes with clear water, selectively is back to the polyester piece good dyeing and finishing course of processing.This method can be removed colourity and COD value in the dyeing waste water fast, and running cost is lower, and the reuse ratio is higher.
4, as number of patent application be 03139857.X Chinese patent application patent " dyeing waste water deep purifying reclamation set and method " (notification number: CN1569694 A): this device includes except that equalizing tank, anaerobic pond, aerobic aeration pond and settling tank, also have additional the ClO2 oxidation pond, the dispensing coagulation basin, biological activated carbon filter and fiber ball filter.The treatment process that adopts biochemistry and materialization to combine, wherein remove most COD and pollutents such as N, P by biochemical treatment, utilize the ClO2 oxidation, decompose remaining hardly degraded organic substance and dyestuff, filtration through offer medicine coagulating sedimentation and biological activated carbon, fibrous nodules further purifies water outlet again, makes dyeing waste water reach technology reuse water quality requirement.Its purification efficiency height, stable effluent quality, construction investment is few, working cost is low, be easy to apply.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of reliable, simple operation, treatment effect to reach the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment of convenient management well.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment, comprise body, this body is divided into outlet cavity, import cavity and middle chamber through the grid body, and the import cavity pipeline of body is connected with water inlet pipe and ozonizer; Be filled with metallic stuffing in the middle chamber; Outlet is equipped with rising pipe and return line on the cavity, and the other end of return line is connected with water circulating pump, and the other end of this water circulating pump and import cavity pipeline connection mutually.
The measure of taking also comprises:
First kind of technical scheme of above-mentioned metallic stuffing is: above-mentioned metallic stuffing is the iron-based filler.
Second kind of technical scheme of above-mentioned metallic stuffing is: above-mentioned metallic stuffing is the zinc-base filler.
The third technical scheme of above-mentioned metallic stuffing is: above-mentioned metallic stuffing is the mixture of iron-based filler and zinc-base filler.
Above-mentioned iron-based filler is electroplate with the copper metallic object of one deck at least in appearance, and correspondingly, above-mentioned zinc-base filler also is electroplate with the copper metallic object of one deck at least in appearance.
The filling density range of above-mentioned metallic stuffing is 0.6 ton every cube to 1 ton every cube.
Compared with prior art, the utility model comprises body, and this body is divided into outlet cavity, import cavity and middle chamber through the grid body, and the import cavity pipeline of body is connected with water inlet pipe and ozonizer; Be filled with metallic stuffing in the middle chamber; Outlet is equipped with rising pipe and return line on the cavity, and the other end of return line is connected with water circulating pump, and the other end of this water circulating pump and import cavity pipeline connection mutually.Advantage of the present utility model is: operational process is workable, the level of automation height, and convenient management, running cost is lower; Adopt the method for ozone catalytic iron/zinc, treatment effect is stable, and heterocyclic organism residual in the dyeing waste water is had stronger capacity of decomposition.
Description of drawings
Fig. 1 is the assembling synoptic diagram of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment as shown in Figure 1, figure grade explanation: water inlet pipe 1, outlet cavity 1a, import cavity 1b, middle chamber 1c, ozonizer 2, water circulating pump 3, grid body 4, metallic stuffing 5, rising pipe 6, return line 7, body 8.
The utility model embodiment one, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment, comprise body 8, this body 8 is divided into outlet cavity 1a, import cavity 1b and middle chamber 1c through grid body 4, and the import cavity 1b pipeline of body 8 is connected with water inlet pipe 1 and ozonizer 2; Be filled with metallic stuffing 5 in the middle chamber 1c; Be equipped with rising pipe 6 and return line 7 on the outlet cavity 1a, the other end of this return line 7 is connected with water circulating pump 3, and the other end of this water circulating pump 3 and import cavity 1b pipeline connection mutually.
The utility model embodiment two, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment, comprise body 8, this body 8 is divided into outlet cavity 1a, import cavity 1b and middle chamber 1c through grid body 4, and the import cavity 1b pipeline of body 8 is connected with water inlet pipe 1 and ozonizer 2; Be filled with metallic stuffing 5 in the middle chamber 1c; Be equipped with rising pipe 6 and return line 7 on the outlet cavity 1a, the other end of this return line 7 is connected with water circulating pump 3, and the other end of this water circulating pump 3 and import cavity 1b pipeline connection mutually.
The utility model embodiment three, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment, comprise body 8, this body 8 is divided into outlet cavity 1a, import cavity 1b and middle chamber 1c through grid body 4, and the import cavity 1b pipeline of body 8 is connected with water inlet pipe 1 and ozonizer 2; Be filled with metallic stuffing 5 in the middle chamber 1c; Be equipped with rising pipe 6 and return line 7 on the outlet cavity 1a, the other end of this return line 7 is connected with water circulating pump 3, and the other end of this water circulating pump 3 and import cavity 1b pipeline connection mutually.
The principle of work of the utility model embodiment is as follows:
Dyeing waste water is through after the conventional secondary biochemical treatment, and generally its COD is controlled in 100mg/L to the 200mg/L scope, and this type of waste water can adopt present technique to carry out advanced treatment.With iron or zinc-base material, also can adopt wood shavings or sheet material earlier, place saturated CuSO4 solution about 2 hours, iron or zinc-base material surface can plate the layer of copper material, and form metallic stuffing 5.Fixed bed is made in the metallic stuffing 5 of plating copper powder, and the filling density of metallic stuffing 5 in the fixed bed is controlled at 0.6 ton/m3 to 1.0 ton/m3.
Be equipped with ozonizer 2, in the operational process, add a certain amount of ozone in waste water, general concentration is controlled at 50mg/L to 150mg/L.When the waste water that is dissolved with ozone is flowed through fixed bed, form ozone catalytic iron/zinc bed, a series of catalyzed chemical reactions can take place, heterocyclic macromole hardly degraded organic substances such as anthraquinone residual in the dyeing waste water are destroyed and Degradation.This device implementation method is simple, obvious processing effect.
At first, iron or zinc-base material can react with the copper generation galvanic cell that its surface is coated with, dissolving to a certain degree takes place in iron or zinc-base material, be accompanied by the transfer process of electronics, under the katalysis of copper, organism will become electron acceptor(EA), and the electron-withdrawing group in the larger molecular organics of a part of heterocyclic, azo class adds the electronics reaction, thereby make the complicated molecule structure take place to destroy and variation, be split into small molecules and be easy to follow-up biodegradable small molecules.And dissolved iron ion or zine ion will play throwing out to organism again, also help the removal effect of larger molecular organics.
Secondly, ozone forms the OH molecular chain and has stronger oxygenizement in water, in water, have under the situation of Fe2+/Zn2+, can form the oxidising process that is similar to Fenton reagent, it is stronger in the water oxygen voltinism, can directly produce strong oxidation to organism, make larger molecular organics be decomposed into small organic molecule, the direct oxidation of part small organic molecule is CO2 and H2O.
In addition, copper in this system not only as the negative electrode of Cu-Fe/Zn galvanic cell, and in the complex reaction system that OH molecular chain, Fe → Fe2+ → Fe3+, Zn → Zn2+, O3, organism are formed, play the effect of important catalyzed reaction, can add the fast response electronic transfer process greatly, heterocyclic residual in the dyeing waste water, azo type organic are effectively destroyed and decompose, guarantee the removal effect of following adopted aeration and biological filter method.
The utility model is intended to develop a kind of with low cost, effective advanced treatment apparatus for printing and dyeing wastewater, ozone catalytic iron/zinc bed has been proposed, effectively destroy heterocyclic, azo class hardly degraded organic substance molecular structure in the dyeing waste water, improve biodegradability, it is follow-up or connect biological treatments such as BAF and make water outlet reach water water quality standard in the printing and dyeing enterprise, break through the technical bottleneck in dyeing waste water advanced treatment and middle water reuse field, technical show-how and popularization are carried out in water reuse field in dyeing waste water.
Advantage of the present utility model is: operational process is workable, the level of automation height, and convenient management, running cost is lower; Adopt the method for ozone catalytic iron/zinc, treatment effect is stable, and heterocyclic organism residual in the dyeing waste water is had stronger capacity of decomposition.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (6)
1, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment, comprise body (8), described body (8) is divided into outlet cavity (1a), import cavity (1b) and middle chamber (1c) through grid body (4), it is characterized in that: import cavity (1b) pipeline of described body (8) is connected with water inlet pipe (1) and ozonizer (2), is filled with metallic stuffing (5) in the middle chamber (1c); Be equipped with rising pipe (6) and return line (7) in outlet cavity (1a), the other end of described return line (7) is connected with water circulating pump (3), and the other end of this water circulating pump (3) and import cavity (1b) pipeline connection mutually.
2, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment according to claim 1 is characterized in that: described metallic stuffing (5) is the iron-based filler.
3, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment according to claim 1 is characterized in that: described metallic stuffing (5) is the zinc-base filler.
4, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment according to claim 1 is characterized in that: described metallic stuffing (5) is the mixture of iron-based filler and zinc-base filler.
5, according to the described ozone iron zinc catalysis bed apparatus that is used for wastewater treatment of the arbitrary claim of claim 2 to 4, it is characterized in that: described iron-based filler is electroplate with the copper metallic object of one deck at least in appearance, correspondingly, described zinc-base filler also is electroplate with the copper metallic object of one deck at least in appearance.
6, the ozone iron zinc catalysis bed apparatus that is used for wastewater treatment according to claim 5 is characterized in that: the filling density range of described metallic stuffing (5) is 0.6 ton every cube to 1 ton every cube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201626309U CN201250138Y (en) | 2008-08-07 | 2008-08-07 | Ozone iron-zinc bed catalyzing device for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201626309U CN201250138Y (en) | 2008-08-07 | 2008-08-07 | Ozone iron-zinc bed catalyzing device for wastewater treatment |
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| Publication Number | Publication Date |
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| CN201250138Y true CN201250138Y (en) | 2009-06-03 |
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| CNU2008201626309U Expired - Fee Related CN201250138Y (en) | 2008-08-07 | 2008-08-07 | Ozone iron-zinc bed catalyzing device for wastewater treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502997A (en) * | 2011-11-18 | 2012-06-20 | 北京桑德环境工程有限公司 | Pure coke wastewater treatment equipment, system and method |
| CN106396077A (en) * | 2016-11-07 | 2017-02-15 | 同济大学 | Iron-based catalyst unitized packing for catalyzing ozonation |
-
2008
- 2008-08-07 CN CNU2008201626309U patent/CN201250138Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502997A (en) * | 2011-11-18 | 2012-06-20 | 北京桑德环境工程有限公司 | Pure coke wastewater treatment equipment, system and method |
| CN102502997B (en) * | 2011-11-18 | 2013-08-14 | 北京桑德环境工程有限公司 | Pure coke wastewater treatment equipment, system and method |
| CN106396077A (en) * | 2016-11-07 | 2017-02-15 | 同济大学 | Iron-based catalyst unitized packing for catalyzing ozonation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Yongfeng Environmental Protection Engineering Technology Co., Ltd. Assignor: Shi Yongfeng Contract record no.: 2010330001313 Denomination of utility model: Ozone iron-zinc bed catalyzing device for wastewater treatment Granted publication date: 20090603 License type: Exclusive License Record date: 20100712 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20120807 |