CN101468862A - High purification treatment system for dyeing wastewater - Google Patents
High purification treatment system for dyeing wastewater Download PDFInfo
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- CN101468862A CN101468862A CNA2007103045428A CN200710304542A CN101468862A CN 101468862 A CN101468862 A CN 101468862A CN A2007103045428 A CNA2007103045428 A CN A2007103045428A CN 200710304542 A CN200710304542 A CN 200710304542A CN 101468862 A CN101468862 A CN 101468862A
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- purification treatment
- high purification
- dyeing wastewater
- catalytic oxidation
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Abstract
The invention relates to a system for treating dye printing wastewater with high purification degree. The system mainly comprises a hydrolysis acidification pool, an aerobic biological filter tank and photocatalytic oxidation purification equipment; the front of the hydrolysis acidification pool is sequentially provided with a primary precipitation pool, a pre-aeration adjusting pool and a grid; the rear of the hydrolysis acidification pool is connected with the aerobic biological filter tank; the rear of the aerobic biological filter tank is provided with a secondary precipitation pool; the photocatalytic oxidation purification equipment is provided with an upper transverse clapboard and a lower transverse clapboard for dividing the space of a tank into a middle part, an upper part and a lower part; the upper clapboard and the lower clapboard are orifice plates; the middle part of the space in a tank body is a fluidized bed chamber; the lower part is a mixing chamber; the upper part is a steady flow chamber; the fluidized bed chamber is provided with a plurality of ultraviolet lamps vertically extending; the insides of the ultraviolet lamps are filled with photocatalyst particles; the surfaces of the photocatalyst particles are distributed with photocatalyst; a water inlet pipe of the photocatalytic oxidation purification equipment is connected with the mixing chamber; the extending direction of the water inlet pipe is oblique or tangential; a water outlet pipe of the photocatalytic oxidation purification equipment is connected with the steady flow chamber; the extending direction of the water outlet pipe is radial; and the tank body is also provided with an ozone inlet pipe. The system has a reasonable structure and high purification depth; and the dye printing wastewater is treated to realize requirement of recycling.
Description
Invention field
The present invention relates to a kind of Waste Water Treatment of handling dyeing and printing sewage that is mainly used in, belong to the environmental protection field.
Background technology
Dyeing waste water contains COD, BOD and the colourity of higher concentration, and wherein colourity can reach 100-400 times, BOD
5Can reach 100-400mg/l, COD
CrCan reach 600-800mg/l, and biodegradability of organic matter wherein is poor, the quantity discharged instability adopts common biological treatment mode difficulty bigger.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of high purification treatment system for dyeing wastewater, the technical process collocation rationally, can eliminate the organic pollutant in the dyeing waste water effectively, and by electric biochemical processing device electrolysis treatment process and biological treatment process are integrated, not only bring into play electrolytic redoxomorphism, also improved the environment of biological treatment simultaneously, improve whole processing power and treatment effect, realized satisfied treatment effect.
The present invention realizes that the technical scheme of above-mentioned purpose is: a kind of high purification treatment system for dyeing wastewater, it is characterized in that it is mainly by hydrolysis acidification pool, aerobic biofilter and photochemical catalytic oxidation treating plant constitute, described hydrolysis acidification pool front sets gradually a heavy pond, preaeration equalizing tank and grid, the back connects described aerobic biofilter, described aerobic biofilter back is provided with second pond, described photochemical catalytic oxidation treating plant is provided with up and down, and two horizontal dividing plates are the middle part with space segmentation in the jar, the upper and lower, the described lower clapboard of going up is orifice plate, the spatial middle part is a fluid-bed chamber in the described tank body, the bottom is a mixing section, top is plenum chamber, described fluid-bed chamber is provided with the ultra-violet lamp of some vertical extensions, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe of this photochemical catalytic oxidation treating plant is connected in described mixing section, its bearing of trend is along oblique or tangential, the rising pipe of this photochemical catalytic oxidation treating plant is connected in described plenum chamber, its bearing of trend is for radially, and described tank body also is provided with into ozonizer.
Because the present invention has adopted rational processing step and processing unit, earlier unsettled draining is regulated, carrying out preaeration simultaneously in the process of regulating handles, improve its organic biodegradability by hydrolysis acidification pool, and carry out purifying treatment by photocatalytic oxidation device efficiently, organic pollutant content in the sewage after the processing reduces significantly, go out in the process at ozone and photochemical catalysis sample, the oxidized degraded under multiple Degradation of pollutent in the water also partly is converted into carbonic acid gas and water, and these effects comprise photocatalytic oxidation, the ozone oxidation effect, ozone/ultraviolet oxygenizement and the auxiliary photocatalysis of ozone etc.In photocatalytic process, add a spot of ozone and can improve the speed of photocatalysis degradation organic contaminant widely, thereby reduce the time of photocatalysis treatment significantly, significantly reduce light-catalysed cost; And ozone is under the effect of UV-light and photocatalyst, and the mass transfer in water is accelerated, and utilization ratio improves, the concentration of ozone reduces in the tail gas, reduce the harm of ozone gas, organic pollutant can be degraded or remove more, and the biodegradable performance of organic pollutant also is significantly improved simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of photochemical catalytic oxidation treating plant of the present invention.
Embodiment
Referring to Fig. 1, high purification treatment system for dyeing wastewater provided by the invention is mainly by the preaeration equalizing tank, one heavy pond, hydrolysis acidification pool, aerobic biofilter, second pond and photochemical catalytic oxidation treating plant constitute, described preaeration equalizing tank, one heavy pond, hydrolysis acidification pool, aerobic biofilter, second pond and electric bio-oxidation treating pond interconnect successively, described photochemical catalytic oxidation treating plant comprises housing, be provided with the space that constitutes water stream channel in its housing, be provided with biologic packing material in the space of described formation water stream channel, also be provided with some counter electrode, the bearing of trend of described electrode is vertical mutually with the bearing of trend of described water stream channel.
Described preaeration equalizing tank front can be provided with grid.
Inhomogeneous state of peak valley that described preaeration equalizing tank is mainly used in regulating pondage and the pH that regulates sewage when carrying out the adjusting of the homogeneous water yield, regulate the pH value of sewage by adding alkali, to guarantee carrying out smoothly of subsequent treatment process.
Can add the flocculation agent of ferrous sulfate as decoloring reaction to a heavy pond, decolorizing effect is the most obvious when pH is between 8.5-9, by the flocculation and the precipitation in a heavy pond, can remove the pollutents such as colourity, COD and SS of part in the water.
Described hydrolysis acidification pool be provided with mainly be because dyeing waste water in contain macromolecule organic than difficulty directly by aerobic degradation, in the acidication stage, degrade by anoxic, make larger molecular organics in the water be decomposed into the small organic molecule of easy biochemistry, thereby improve the biodegradability of waste water, guarantee follow-up biochemical treatment effect.
The impeller of diving under water at a high speed can be installed in the described hydrolysis acidification pool, guarantee that anaerobion can fully contact with waste water, evenly water quality.
Described aerobic biofilter can be equipped with biofilter material or the other biological filtrate that plastics are carrier, and the micro porous aeration head aeration is set at the bottom of the pond, the organism that aerobic bacteria can be accessed in the enough oxygen utilization waste water carries out metabolism, remove the pollution substance in the water, aeration also helps making pool inner water fully to contact with microorganism simultaneously.
Described second pond is provided with sludge return pipe and connects aerobic biofilter, keeps activated sludge concentration in the aerobic biofilter so that reflux by mud.
Referring to Fig. 2, photochemical catalytic oxidation treating plant of the present invention comprises housing 8, be provided with the space that constitutes water stream channel in its housing, be provided with biofilter material 5 in the space of described formation water stream channel, also be provided with some electrodes to being made of positive pole 7 and negative pole 6, the bearing of trend of described electrode is vertical mutually with the bearing of trend of described water stream channel.
The intravital space of described shell quilt is two water distribution boards 10 up and down, 4 are partitioned into hydroecium 11 from top to bottom successively, reaction chamber and intake chamber 3, the water-supplying chamber on top is provided with rising pipe 9, the intake chamber of bottom is provided with water inlet pipe 1, aerator 2 is installed in its bottom, the intravital reaction chamber of shell is equipped with biofilter material 5, and be provided with the positive and negative electrode of horizontal expansion, it can be the pair of electrodes that distributes up and down, the pair of electrodes that distributes about also can being, according to the intravital arrangement space of shell, when adopt vertical and about distribute three-dimensional distribution mode the time, described positive and negative electrode laterally and on vertical all should be alternately distributed, positive negative electricity interts between filtrate.
Skeleton in the described filtrate can be organic polymer filler, mineral filler or inertia embedding medium carriers such as sodium alginate, PVA.
Described filtrate can be piled up placement at reaction chamber, also can hang placement, and its stacking filling ratio in reaction chamber can be for 20%-95%.
Described case top can be provided with the anti-explosion alarming device.
The electrode that described positive and negative electrode can adopt carbon, iron, stainless steel, nickel porous,, platinum or germanium are made with catalytic activity.
Distance can be 20-500mm between the described adjacent positive and negative electrode.
The transverse shape of described housing can be circular, also can be rectangle.
Described housing can adopt vertical structure, and its water-in is positioned at the below, and current are bottom-up stream in housing, helps reducing flow resistance thus.
Described housing also can adopt horizontal type structure, and current are transverse flow in housing, and this mode helps forming long length.
Claims (10)
1. high purification treatment system for dyeing wastewater, it is characterized in that it is mainly by hydrolysis acidification pool, aerobic biofilter and photochemical catalytic oxidation treating plant constitute, described hydrolysis acidification pool front sets gradually a heavy pond, preaeration equalizing tank and grid, the back connects described aerobic biofilter, described aerobic biofilter back is provided with second pond, described photochemical catalytic oxidation treating plant is provided with up and down, and two horizontal dividing plates are the middle part with space segmentation in the jar, the upper and lower, the described lower clapboard of going up is orifice plate, the spatial middle part is a fluid-bed chamber in the described tank body, the bottom is a mixing section, top is plenum chamber, described fluid-bed chamber is provided with the ultra-violet lamp of some vertical extensions, in photocatalyst granular is housed, the surface of described photocatalyst granular is furnished with photocatalyst, the water inlet pipe of this photochemical catalytic oxidation treating plant is connected in described mixing section, its bearing of trend is along oblique or tangential, the rising pipe of this photochemical catalytic oxidation treating plant is connected in described plenum chamber, its bearing of trend is for radially, and described tank body also is provided with into ozonizer.
2. high purification treatment system for dyeing wastewater as claimed in claim 1 is characterized in that described preaeration equalizing tank front is provided with grid, and the impeller of diving under water at a high speed is installed in the described hydrolysis acidification pool.
3. high purification treatment system for dyeing wastewater as claimed in claim 1, it is characterized in that described aerobic biofilter is equipped with biofilter material or the other biological filtrate that plastics are carrier, and the micro porous aeration head aeration is set at the bottom of the pond, described second pond is provided with sludge return pipe and connects aerobic biofilter.
4. high purification treatment system for dyeing wastewater as claimed in claim 1 is characterized in that the described photochemical catalytic oxidation treating plant of described photochemical catalytic oxidation treating plant is a round can, and described upper spacer is the aperture orifice plate, and described lower clapboard is the macropore orifice plate.
5. as claim 1,2,3 or 4 described high purification treatment system for dyeing wastewater, it is characterized in that in the bearing of trend of described ultraviolet lamp tube be above-below direction
6. high purification treatment system for dyeing wastewater as claimed in claim 5 is characterized in that described ultraviolet lamp is installed on jar inwall.
7. high purification treatment system for dyeing wastewater as claimed in claim 6 is characterized in that described ultraviolet lamp tube outside is with silica tube.
8. high purification treatment system for dyeing wastewater as claimed in claim 7 is characterized in that describedly advancing ozonizer and independently being provided with.
9. high purification treatment system for dyeing wastewater as claimed in claim 8 is characterized in that described ozonizer and described water inlet pipe adopt same pipe.
10. high purification treatment system for dyeing wastewater as claimed in claim 9 is characterized in that described ozonizer connects the ozone gas output tube of ozonizer or is dissolved with the water delivery pipe of ozone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103045428A CN101468862A (en) | 2007-12-28 | 2007-12-28 | High purification treatment system for dyeing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103045428A CN101468862A (en) | 2007-12-28 | 2007-12-28 | High purification treatment system for dyeing wastewater |
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| Publication Number | Publication Date |
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| CN101468862A true CN101468862A (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103045428A Pending CN101468862A (en) | 2007-12-28 | 2007-12-28 | High purification treatment system for dyeing wastewater |
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| CN (1) | CN101468862A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874982A (en) * | 2012-10-11 | 2013-01-16 | 北京科技大学 | System and method for co-processing printing and dyeing wastewater via ultraviolet/pure oxygen micro bubbles |
| CN104891752A (en) * | 2015-06-22 | 2015-09-09 | 张萍 | Resourceful treatment method of wastewater |
| CN105000763A (en) * | 2015-06-22 | 2015-10-28 | 张萍 | Overall treatment method for sludge |
| CN106116063A (en) * | 2016-08-29 | 2016-11-16 | 武汉东川自来水科技开发有限公司 | The processing system of a kind of animal serum class pharmacy sewage and processing method |
| CN106892539A (en) * | 2017-03-22 | 2017-06-27 | 岳阳泰天环保科技有限公司 | The processing method and processing unit of high concentration saliferous high chroma sewage high |
| CN107902838A (en) * | 2017-11-23 | 2018-04-13 | 沈阳环境科学研究院 | A kind of processing method of cold drink production waste water |
| CN108191164A (en) * | 2018-01-30 | 2018-06-22 | 芜湖富春染织股份有限公司 | A kind of dyeing and weaving wastewater treatment decoloring process |
| CN109665672A (en) * | 2019-01-25 | 2019-04-23 | 黑龙江大学 | A kind of device and Groundwater Treatment Methodss for strengthening total nitrogen in removal low temperature underground water |
| CN110143706A (en) * | 2019-06-18 | 2019-08-20 | 中南大学 | A kind of sewage disposal system of modified carbon cloth electro-catalysis persulfate, ozone |
| CN113666579A (en) * | 2021-09-06 | 2021-11-19 | 常州嘉博染织有限公司 | Sewage treatment device and control method thereof |
-
2007
- 2007-12-28 CN CNA2007103045428A patent/CN101468862A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874982A (en) * | 2012-10-11 | 2013-01-16 | 北京科技大学 | System and method for co-processing printing and dyeing wastewater via ultraviolet/pure oxygen micro bubbles |
| CN104891752A (en) * | 2015-06-22 | 2015-09-09 | 张萍 | Resourceful treatment method of wastewater |
| CN105000763A (en) * | 2015-06-22 | 2015-10-28 | 张萍 | Overall treatment method for sludge |
| CN106116063A (en) * | 2016-08-29 | 2016-11-16 | 武汉东川自来水科技开发有限公司 | The processing system of a kind of animal serum class pharmacy sewage and processing method |
| CN106116063B (en) * | 2016-08-29 | 2023-10-17 | 武汉汇中大川自动控制设备有限公司 | Treatment system and treatment method for animal serum pharmaceutical wastewater |
| CN106892539B (en) * | 2017-03-22 | 2020-01-07 | 岳阳泰天环保科技有限公司 | Treatment method and treatment device for high-concentration high-salt-content high-chroma sewage |
| CN106892539A (en) * | 2017-03-22 | 2017-06-27 | 岳阳泰天环保科技有限公司 | The processing method and processing unit of high concentration saliferous high chroma sewage high |
| CN107902838A (en) * | 2017-11-23 | 2018-04-13 | 沈阳环境科学研究院 | A kind of processing method of cold drink production waste water |
| CN108191164A (en) * | 2018-01-30 | 2018-06-22 | 芜湖富春染织股份有限公司 | A kind of dyeing and weaving wastewater treatment decoloring process |
| CN109665672A (en) * | 2019-01-25 | 2019-04-23 | 黑龙江大学 | A kind of device and Groundwater Treatment Methodss for strengthening total nitrogen in removal low temperature underground water |
| CN109665672B (en) * | 2019-01-25 | 2021-11-05 | 黑龙江大学 | Device for removing total nitrogen in low-temperature underground water in enhanced mode and underground water treatment method |
| CN110143706A (en) * | 2019-06-18 | 2019-08-20 | 中南大学 | A kind of sewage disposal system of modified carbon cloth electro-catalysis persulfate, ozone |
| CN113666579A (en) * | 2021-09-06 | 2021-11-19 | 常州嘉博染织有限公司 | Sewage treatment device and control method thereof |
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Open date: 20090701 |