CN103288238A - System for pure and impure printing and dyeing wastewater separation and wastewater recycling treatment - Google Patents
System for pure and impure printing and dyeing wastewater separation and wastewater recycling treatment Download PDFInfo
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- CN103288238A CN103288238A CN201310211759XA CN201310211759A CN103288238A CN 103288238 A CN103288238 A CN 103288238A CN 201310211759X A CN201310211759X A CN 201310211759XA CN 201310211759 A CN201310211759 A CN 201310211759A CN 103288238 A CN103288238 A CN 103288238A
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Abstract
The invention provides a system for pure and impure printing and dyeing wastewater separation and wastewater recycling treatment. The system comprises a discharge pipeline for discharging printing and dyeing wastewater generated from printing and dyeing equipment, wherein the discharging pipeline comprises a low-concentration discharging tube for discharging low-concentration wastewater and a high-concentration discharging tube for discharging high-concentration wastewater; a control valve I is arranged on the low-concentration discharging tube; and a control valve II is arranged on the high-concentration discharging tube. By utilizing the system, low-concentration printing and dyeing wastewater and high-concentration printing and dyeing wastewater can be separated and respectively treated, so that the treatment cost is saved, the energy is saved, and the environment is protected.
Description
Technical field
The present invention relates to the treatment of dyeing wastewater field, be specifically related to the pure and impure separation of a kind of dyeing waste water and waste water recycling treatment system.
Background technology
China's dyeing is water consumption, power consumption, blowdown rich and influential family.Aspect water and energy consumption, and abroad to compare, printing and dyeing enterprise unit product water withdrawal is 2～3 times of developed country, energy-output ratio then is about 3 times, and the link energy consumption of printing and dyeing usually will account for more than 30% of textile product chain energy consumption; Aspect pollutant emission, the dyeing waste water total emission volumn is the 5th of each industrial sector total emission volumn of the whole nation, and gross contamination emission (in the COD value) is positioned at the 6th, and the average reclamation rate of its waste water has only 7%.In addition, have only minority enterprise to adopt the heat recovery technology at present, most of enterprise hot waste gas, thermal wastewater directly discharge, and device control does not have energy saver, and printing and dyeing sludge is not effectively addressed mostly, and the task that industry energy conservation reduces discharging is very arduous.At present, environmental problems such as printing and dyeing enterprise water, draining highlight day by day, and China's many dyeings developed regions environmental capacity is very limited, and printing and dyeing enterprise will reach that volume increase does not increase dirt or the dirty target that reduces, and has only the employing energy-conserving and emission-cutting technology, realizes cleaner production.
By the detection to efflux wastewater water quality in the different operations of enterprise, the result shows, washing in overflow water operation and the follow-up washing step after the textile dyeing, efflux wastewater COD is lower than 30mg/L, colourity is lower than 5 times, suitable with water intaking water quality, and existing printing and dyeing enterprise is that directly being higher than 30mg/L, colourity with COD mixes discharge greater than 5 times the high-concentration printing and dyeing wastewater that effluxes with it, workload and the processing cost of wastewater treatment have not only been increased, and cause the wasting of resources, run counter to advocating of energy-conserving and environment-protective theory.
Summary of the invention
Technical problem to be solved by this invention is to provide the pure and impure separation of a kind of dyeing waste water and waste water recycling treatment system, the dyeing waste water of lower concentration and the dyeing waste water of high density can be shunted and is handled respectively, can save processing cost, energy-conserving and environment-protective.
For solving above-mentioned existing technical problem, the present invention adopts following scheme: the pure and impure separation of dyeing waste water and waste water recycling treatment system, the discharge pipe line that comprises the dyeing waste water that produces for the discharging dyeing apparatus, discharge pipe line comprises for the lower concentration water shoot of exhausting low-concentration waste water with for the high density water shoot that discharges high-concentration waste water, the lower concentration water shoot is provided with the control valve I, and the high density water shoot is provided with the control valve II.
As preferably, control valve I and control valve II are by electric control system controls work.
As preferably, the lower concentration water shoot is communicated to sewage purifier, and sewage purifier is communicated to that settling tank, settling tank are communicated to filter plant, filter plant is communicated to ion-exchanger, and ion-exchanger is communicated to watering equipment.
As preferably, the high density water shoot is communicated to anaerobic reactor, and anaerobic reactor is communicated to the coagulation decoloration pond, and the coagulation decoloration pond is communicated to suspending biological filter, suspending biological filter is communicated to filtering system, and filtering system is communicated to watering equipment.
Beneficial effect:
The pure and impure separation of the dyeing waste water that the present invention adopts technique scheme to provide and waste water recycling treatment system can be shunted the dyeing waste water of lower concentration and the dyeing waste water of high density and handle respectively, can save processing cost, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, the pure and impure separation of dyeing waste water and waste water recycling treatment system, the discharge pipe line that comprises the dyeing waste water that produces for the discharging dyeing apparatus, discharge pipe line comprises for the lower concentration water shoot 1 of exhausting low-concentration waste water with for the high density water shoot 2 that discharges high-concentration waste water, lower concentration water shoot 1 is provided with control valve I 3, and high density water shoot 2 is provided with control valve II 4.Control valve I 3 and control valve II 4 are by electrical control system 5 control work, and control valve I 3 and control valve II 4 can adopt magnetic valve.Operator rule of thumb or by test set such as water quality detection instrument, COD determinator etc. detect the waste strength that dyeing apparatus is discharged, open corresponding control valve I 3 or control valve II 4 according to detected result control electrical control system 5, dyeing waste water flows out through corresponding pipeline.
Lower concentration water shoot 1 is communicated to sewage purifier 6, sewage purifier 6 is communicated to settling tank 7, be provided with switch-valve between sewage purifier 6 and the settling tank 7, settling tank 7 is communicated to filter plant 8, be provided with switch-valve between settling tank 7 and the filter plant 8, filter plant 8 is communicated to ion-exchanger 9, is provided with switch-valve between filter plant 8 and the ion-exchanger 9, and ion-exchanger 9 is communicated to watering equipment.The lower concentration dyeing waste water flow to settling tank 7 precipitation after lower concentration water shoot 1 flow to sewage purifier 6 purifying treatment, equipment 8 as filter screen, accurate filter etc. filter calcium ion, magnesium ion in a back ion interchanger 9 removal water after filtration again, is conducted to watering equipment after producing softening water.
High density water shoot 2 is communicated to anaerobic reactor 10, and anaerobic reactor 10 is communicated to coagulation decoloration pond 11, and coagulation decoloration pond 11 is communicated to suspending biological filter 12, suspending biological filter 12 is communicated to filtering system 13, and filtering system 13 is communicated to watering equipment.Filtering system 13 comprises ultrafiltration apparatus and low worry equipment.
High-concentration printing and dyeing wastewater advanced treatment and recovering process flow are: high-concentration printing and dyeing wastewater waste water carries out anaerobic treatment through efficient anaerobic reactor, the preferred anaerobic baffled reactor of anaerobic reactor, the combination bio-carrier is installed on the top of anaerobic baffled reactor, granular bio-carrier is added in the bottom, the anaerobic sludge interception can be retained in each reaction chamber, and the granular sludge that forms forms the bulking sludge bed with ascending current in reactor, keep a large amount of mud to obtain muddy water contact conditions preferably simultaneously, increase substantially the organic pollutant removal rate and improve the biodegradability of waste water, its colourity, the COD clearance all reaches more than 50%, and the anaerobism effect is strengthened; Carry out coagulation decoloration again handles and the suspending biological filter filtration treatment through the coagulation decoloration pond, the coagulate decolourant that coagulation decoloration uses, be by in the process of synthetic Dyhard RU 100 formaldehyde condensation resins, a certain amount of metal inorganic salt and starch or starch derivative induce one, guanidine resinoid graft copolymerization with condensation, to increase molecular mass and cationic degree, the good decolorizing effect of this efficient organic coagulate decolourant treatment of dyeing and printing, solid-liquid separation is fast, sludge output is few, its COD, the clearance of colourity is respectively more than 65% and 96%, and the more traditional coagulating agent of mud generation significantly reduces; Suspending biological filter is in the BAF(BAF) the basis utilize the particulate filler research and development of different specific weight to form, the advantage of its existing BAF is difficult for again stopping up.Because filler is swelling state in water, biomass accompanying on the filler is bigger, and activity is higher, can strengthen the removal of organic pollutant, especially the waste water to low pollution load has high processing efficiency, waste water COD can be down to below the 40mg/L, for waste water recycling is laid a good foundation; Adopt little flocculation one ultra-filtration membrane pretreatment technology again, to reduce turbidity of wastewater, colourity and organic contamination substrate concentration to greatest extent, improve and advance the requirement of film water matter; Adopt low pressure NF membrane separation technique to remove inorganic salt and remaining organism at last, realize the recycle of waste water at low cost.The depth type filtration unit of little flocculation one ultrafiltration before as film separation unit can be down to water pollutant extremely lowly, guarantees the influent quality of film separation unit, prolongs film work-ing life, reduces the loss of film material as far as possible.Waste water is after aforementioned processing, and wherein Pollutant levels are very low, selects for use suitable low pressure NF film as the waste water recycling terminal unit, be used for removing inorganic salt and remaining organism, make it can satisfy the printing and dyeing technology water requirement, obtain big membrane flux again as far as possible, reduce working cost and investment.
Claims (4)
1. the pure and impure separation of dyeing waste water and waste water recycling treatment system, the discharge pipe line that comprises the dyeing waste water that produces for the discharging dyeing apparatus, it is characterized in that: described discharge pipe line comprises for the lower concentration water shoot (1) of exhausting low-concentration waste water with for the high density water shoot (2) that discharges high-concentration waste water, described lower concentration water shoot (1) is provided with control valve I (3), and described high density water shoot (2) is provided with control valve II (4).
2. the pure and impure separation of dyeing waste water according to claim 1 and waste water recycling treatment system, it is characterized in that: described control valve I (3) and control valve II (4) are by electrical control system (5) control work.
3. the pure and impure separation of dyeing waste water according to claim 1 and 2 and waste water recycling treatment system, it is characterized in that: described lower concentration water shoot (1) is communicated to sewage purifier (6), described sewage purifier (6) is communicated to that settling tank (7), described settling tank (7) are communicated to filter plant (8), described filter plant (8) is communicated to ion-exchanger (9), and described ion-exchanger (9) is communicated to watering equipment.
4. the pure and impure separation of dyeing waste water according to claim 1 and 2 and waste water recycling treatment system, it is characterized in that: described high density water shoot (2) is communicated to anaerobic reactor (10), described anaerobic reactor (10) is communicated to coagulation decoloration pond (11), described coagulation decoloration pond (11) is communicated to suspending biological filter (12), described suspending biological filter (12) is communicated to filtering system (13), and described filtering system (13) is communicated to watering equipment.
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| CN201310211759.XA CN103288238B (en) | 2013-05-30 | 2013-05-30 | System for pure and impure printing and dyeing wastewater separation and wastewater recycling treatment |
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| CN201310211759.XA CN103288238B (en) | 2013-05-30 | 2013-05-30 | System for pure and impure printing and dyeing wastewater separation and wastewater recycling treatment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014496A (en) * | 2014-06-04 | 2014-09-03 | 深圳市华星光电技术有限公司 | Liquid drainage method and device for washing chamber |
| CN108373240A (en) * | 2018-04-11 | 2018-08-07 | 东华大学 | A kind of cotton dyeing waste water dual treatment and the integrated technique of reuse |
| CN108545885A (en) * | 2018-04-11 | 2018-09-18 | 东华大学 | A kind of cylinder yarn dyeing waste water dual treatment and the integrated technique of reuse |
| CN108751527A (en) * | 2018-08-22 | 2018-11-06 | 杭州开源环保工程有限公司 | A kind of combined type high-recovery processing system |
| CN108996811A (en) * | 2018-07-17 | 2018-12-14 | 浙江弘盛纺织科技有限公司 | A kind of printing-dying wastewater recycling method |
| CN110467315A (en) * | 2019-08-19 | 2019-11-19 | 常熟市福亿印花炼染有限公司 | A kind for the treatment of process of efficient dyeing waste water |
| CN111039517A (en) * | 2019-12-31 | 2020-04-21 | 台州市环美环保工程技术有限公司 | Treatment process of printing and dyeing wastewater |
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| CN102399040A (en) * | 2010-09-10 | 2012-04-04 | 沈阳工业大学 | Process for comprehensively treating sulfur dye waste water |
| CN203392946U (en) * | 2013-05-30 | 2014-01-15 | 浙江莱美纺织印染科技有限公司 | Treatment system for separating clean and turbid printing and dyeing wastewaters and recycling wastewaters |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014496A (en) * | 2014-06-04 | 2014-09-03 | 深圳市华星光电技术有限公司 | Liquid drainage method and device for washing chamber |
| CN108373240A (en) * | 2018-04-11 | 2018-08-07 | 东华大学 | A kind of cotton dyeing waste water dual treatment and the integrated technique of reuse |
| CN108545885A (en) * | 2018-04-11 | 2018-09-18 | 东华大学 | A kind of cylinder yarn dyeing waste water dual treatment and the integrated technique of reuse |
| CN108545885B (en) * | 2018-04-11 | 2021-01-12 | 东华大学 | Quality-based treatment and recycling integrated process for cone yarn printing and dyeing wastewater |
| CN108996811A (en) * | 2018-07-17 | 2018-12-14 | 浙江弘盛纺织科技有限公司 | A kind of printing-dying wastewater recycling method |
| CN108751527A (en) * | 2018-08-22 | 2018-11-06 | 杭州开源环保工程有限公司 | A kind of combined type high-recovery processing system |
| CN110467315A (en) * | 2019-08-19 | 2019-11-19 | 常熟市福亿印花炼染有限公司 | A kind for the treatment of process of efficient dyeing waste water |
| CN111039517A (en) * | 2019-12-31 | 2020-04-21 | 台州市环美环保工程技术有限公司 | Treatment process of printing and dyeing wastewater |
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| CN103288238B (en) | 2014-10-08 |
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Address after: 313109 Zhejiang city of Huzhou province Changxing County Jia Pu Industrial Park No. 9 Zhejiang Lummy textile printing and Dyeing Technology Co. Ltd. Patentee after: LAIMEI TECHNOLOGY CO.,LTD. Address before: 313109 Zhejiang city of Huzhou province Changxing County Jia Pu Industrial Park No. 9 Zhejiang Lummy textile printing and Dyeing Technology Co. Ltd. Patentee before: ZHEJIANG LAIMEI TEXTILE PRINTING AND DYEING TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cleaning and turbidity separation and wastewater reuse treatment system for printing and dyeing wastewater Effective date of registration: 20221013 Granted publication date: 20141008 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: LAIMEI TECHNOLOGY CO.,LTD. Registration number: Y2022980018200 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |