CN201990576U - Dyeing waste water treatment system - Google Patents
Dyeing waste water treatment system Download PDFInfo
- Publication number
- CN201990576U CN201990576U CN2011200274249U CN201120027424U CN201990576U CN 201990576 U CN201990576 U CN 201990576U CN 2011200274249 U CN2011200274249 U CN 2011200274249U CN 201120027424 U CN201120027424 U CN 201120027424U CN 201990576 U CN201990576 U CN 201990576U
- Authority
- CN
- China
- Prior art keywords
- tank
- treatment
- water
- sludge
- pool
- Prior art date
Links
- 238000004043 dyeing Methods 0.000 title claims abstract description 16
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 16
- 239000011901 water Substances 0.000 claims abstract description 37
- 239000002351 wastewater Substances 0.000 claims abstract description 24
- 239000010802 sludge Substances 0.000 claims abstract description 22
- 238000006460 hydrolysis reactions Methods 0.000 claims abstract description 12
- 230000020477 pH reduction Effects 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 11
- 238000007254 oxidation reactions Methods 0.000 claims abstract description 11
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 10
- 238000007781 pre-processing Methods 0.000 claims description 8
- 238000009287 sand filtration Methods 0.000 claims description 8
- 239000007789 gases Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 230000001112 coagulant Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 abstract description 16
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound 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[N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 abstract description 5
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Abstract
Description
Technical field
The utility model relates to trade effluent multiple-stage treatment technical field, relates in particular to a kind of printing and dyeing wastewater treatment system.
Background technology
Dyeing is the water rich and influential family, also be the blowdown rich and influential family, printing and dyeing enterprise generally all has Sewage treatment systems, existing Sewage treatment systems mainly adopts physico-chemical pretreatment technology, the treated tube drainage of directly receiving after up to standard of sewage, as shown in Figure 1, enter municipal sewage treatment pipe network or directly enter surface water body.But because existing system does not carry out biochemical treatment, ammonia nitrogen exceeds standard, and consider the shortage day by day and the severe contamination of water resources, therefore no matter from the angle of enterprise cost still from the development angle of social enviroment protection, all be necessary dyeing waste water is carried out being back to production after the advanced treatment.
The utility model content
The utility model is exactly to provide a kind of printing and dyeing wastewater treatment system for the problem that solves above-mentioned prior art existence, dyeing waste water can most of reuse after advanced treatment to production plant, all the other dense water are then received the tube drainage standard according to the locality can directly receive tube drainage.
The purpose of this utility model is achieved through the following technical solutions:
A kind of printing and dyeing wastewater treatment system, comprise comprehensive wastewater preprocessing system, degree of depth recycling processing system and sludge treating system, described sludge treating system comprises sludge sump, and described comprehensive wastewater preprocessing system comprises equalizing tank, coagulative precipitation tank, blowoff basin, biological hydrolysis acidification pool, aerobic contact oxidation pond, radial-flow second pond and the intermediate pool that connects successively; Described degree of depth recycling processing system comprises automatic back-washing formula sand filtration system, adding pressure type ultrafiltration membrane system, RO film system (the integrated film processing system of RO reverse osmosis) and the RO reuse pool that connects successively; The sludge outlet of described radial-flow second pond is communicated with sludge sump; The water outlet of described intermediate pool is communicated with automatic back-washing formula sand filtration system.
Described equalizing tank Inner Front End is provided with grille well.
Be provided with the diving mixing and stirring system that prevents sludgd deposition in the described biological hydrolysis acidification pool.
On described biological hydrolysis acidification pool, the aerobic contact oxidation pond gas sampling treatment system is set.
Compared with prior art, the utlity model has following beneficial effect:
1, adopting (acidication) A/(aerobic contact oxidation more targetedly) O technology handles, and solves the ammonia nitrogen problem that exceeds standard;
2, degree of depth reuse water quality requirement particularly index such as colourity, total hardness reach the effluent quality standard;
3, the national energy-saving and emission-reduction of response are called, and have bigger environmental benefit, and the degree of depth recycling processing system reuse water yield is big, can save effluent charge and charge for water; Can save water resources by the deep water reuse, simultaneously annually reduce discharging COD, and ammonia nitrogen can qualified discharge;
4, processing efficiency height, construction investment is low, and working cost is low, and floor space is low, and Waste Water Treatment is stable, and is safe and reliable, flexible operation;
5, deal carefully with the mud that produces in the wastewater treatment process, avoid producing secondary pollution;
6, to the waste gas that produces in the wastewater treatment process, sound pollution etc., take the effectively preventing measure, reduce its influence surrounding enviroment.
Description of drawings
Fig. 1 is the schematic flow sheet of existing Waste Water Treatment;
Fig. 2 is the schematic flow sheet of the utility model one embodiment.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 2, a kind of printing and dyeing wastewater treatment system is divided into three parts, comprises comprehensive wastewater preprocessing system, degree of depth recycling processing system and sludge treating system.
1, comprehensive wastewater preprocessing system
The comprehensive wastewater preprocessing system at first carries out pre-treatment by pH regulator and coagulating sedimentation, adopt " acidication and biological contact oxidation process " secondary biochemical combined treatment process then, (COD ≦ 100mg/L), last second pond water outlet enters advanced treatment system to primary standard with wastewater treatment.
The comprehensive wastewater preprocessing system comprises equalizing tank 1, coagulative precipitation tank 2, blowoff basin 3, biological hydrolysis acidification pool 4, aerobic contact oxidation pond 5, radial-flow second pond 6 and the intermediate pool 7 that connects successively.
Comprehensive wastewater at first enters equalizing tank after collecting, the pond Inner Front End is provided with grille well 8, removes materials such as fiber, rubbish.Equalizing tank helps even water quality and quantity, guarantees subsequent disposal stability.Evenly the waste water behind the water quality and quantity carries out pH regulator, carries out coagulating by dosing coagulant, flocculation agent etc., removes partial organic substances, reduces follow-up biochemical treatment load and difficulty, and the flat flow preliminary sedimentation tank is set, and carries out precipitating action.
Pretreated waste water is squeezed into the biological hydrolysis acidification pool by blowoff basin, establish the contact filler in the biological hydrolysis acidification pool, to adhere to the heterotrophism aerobic-anaerobic microbe, reach the acidication stage, and be provided with the diving mixing and stirring system, prevent sludgd deposition, also help the abundant contact reacts of waste water and mud.Under double oxygen bacterium effect, making polymer and complicated organic matter degradation in the waste water is small molecules, simple organism, improves the biodegradability of waste water, improves follow-up aerobic biochemical treatment condition, and dyestuff is also had decolorization preferably.Simultaneously, follow-up aerobic mixed solution and second pond mud are refluxed, (dissolved oxygen is less than 0.5mg/L) carries out the denitrification biological denitrogenation effect under the oxygen condition of holding concurrently, and reduces the ammonia-nitrogen content in the waste water.
The acidication water outlet inserts the aerobic contact oxidation pond, carry out aeration (dissolved oxygen is about 1-2mg/L) by gas blower, utilize the microorganism (aerobic bacteria) that is in the pond under the suspended state that the organic pollutant in the waste water is adsorbed, decomposes, thereby reach the purpose of removing organic pollutant, purifying water.Aerobic Pond is provided with vortex shedding flow meter, can save working cost according to variable frequency control air quantity size.The water outlet of aerobic contact oxidation pond flows into the radial-flow second pond and carries out mud-water separation, and its water outlet is treated degree of depth Treatment for Reuse from flowing to intermediate pool.
In comprehensive wastewater pre-treatment process, can produce pollutions such as waste gas, noise, surrounding enviroment there is bigger influence, therefore increase the control of control of Sewage treatment systems waste gas and Sewage treatment systems sound pollution.
In the operation of sewage disposal system process, because the metabolism of microorganism can produce a certain amount of peculiar smell waste gas, pollute the ambient atmosphere environment, therefore, biochemical reaction tank (biological hydrolysis acidification pool, aerobic contact oxidation pond) is added cover plate, set up gas sampling treatment system 9, the gas with foreign flavor that produces in the biochemical system is taked to discharge after the centralized collection, to reduce pollution the ambient atmosphere environment.
In the biochemical treatment system operational process, need gas blower that air constantly is provided, produce bigger sound pollution, therefore the living environment that the influence periphery is lived, add silencing hood to gas blower, Ventilator Room adopted measures such as soundproof wall, soundproof window, reduces noise effect.
2, degree of depth recycling processing system
The waste water of intermediate pool is proceeded degree of depth Treatment for Reuse, degree of depth recycling processing system adopts two membrane treatment process technology of cleaning sand filtration and " the integrated film of adding pressure type UF ultra-filtration membrane and reverse osmosis (RO) " automatically to carry out degree of depth Treatment for Reuse, makes reuse water reach senior quality of reused water requirement.The reuse of advanced treatment and reclamation water is to production plant, and the membrane separation concentrated water of all the other degree of depth is received tube drainage according to grade III Standard.If emission standard improves, then membrane separation concentrated water can increase treatment facility in addition to be handled.
Degree of depth recycling processing system comprises automatic back-washing formula sand filtration system 10, adding pressure type ultrafiltration membrane system 11, RO film system (the integrated film processing system of RO reverse osmosis) 12 and the RO reuse pool 13 that connects successively;
Degree of depth recycling processing system is to be former water with biochemical second pond water outlet, is promoted through pump by intermediate pool and enters advanced treatment system, and the water outlet of intermediate pool is communicated with automatic back-washing formula sand filtration system.For guaranteeing the steady running of follow-up pair of film system, increase automatic back-washing formula sand filtration system at leading portion, materials such as the suspended substance in the further removal waste water, colloid, its water outlet enters the adding pressure type ultrafiltration membrane system by secondary filter again and removes bacterium, virus, organism and colourity etc. in the waste water, improve the integrated film processing system influent quality of follow-up RO reverse osmosis, prolong its work-ing life, guarantee overall depth reuse technology operation stability.The ultrafiltration membrane system water outlet enters the integrated film of RO reverse osmosis system, by the concentrating of RO film, interception capacity desalination, purifying effluent quality, for dyeing, the higher workshop section's reuse of stamp water water quality requirement.Film system dope reaches three grades and receives the tube drainage standard and can directly receive tube drainage.If emission standard improves, then membrane separation concentrated water can increase treatment facility in addition to be handled.
3, sludge treating system
Sludge treating system comprises sludge sump 14, the sludge outlet of radial-flow second pond is communicated with sludge sump, the radial-flow second pond produces mud and all inserts sludge sump, mud after the decrement is sent into the concentrated one pressure filter of belt by the mortar pump effect and is carried out processed, mud outward transport after the processing is handled, filtrate is inserted hydrolysis acidification pool, avoids producing secondary pollution.
More than disclosed only be several specific embodiments of the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200274249U CN201990576U (en) | 2011-01-27 | 2011-01-27 | Dyeing waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200274249U CN201990576U (en) | 2011-01-27 | 2011-01-27 | Dyeing waste water treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN201990576U true CN201990576U (en) | 2011-09-28 |
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Family Applications (1)
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| CN2011200274249U CN201990576U (en) | 2011-01-27 | 2011-01-27 | Dyeing waste water treatment system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633404A (en) * | 2012-03-16 | 2012-08-15 | 山东天畅环保工程有限公司 | Treatment process for comprehensive wastewater |
| CN103011529A (en) * | 2012-12-07 | 2013-04-03 | 常州大学 | Industrial wastewater treatment technology |
| CN103523988A (en) * | 2013-09-27 | 2014-01-22 | 昆山培新服装有限公司 | Printing and dyeing wastewater treatment process |
| CN104591478A (en) * | 2014-12-22 | 2015-05-06 | 福建宇邦纺织科技有限公司 | Method for recycling full chemical fiber dyeing wastewater after treatment |
| CN105110560A (en) * | 2015-08-27 | 2015-12-02 | 常州大学 | Zero-discharge dyeing wastewater treatment system |
| CN106245259A (en) * | 2016-08-27 | 2016-12-21 | 杭州大地印染有限公司 | Knitting fabric environment-friendly production process and cleaning system thereof |
| WO2019196057A1 (en) * | 2018-04-12 | 2019-10-17 | 苏州荣能环保科技有限公司 | Environmentally friendly mixed wastewater treatment system |
-
2011
- 2011-01-27 CN CN2011200274249U patent/CN201990576U/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633404A (en) * | 2012-03-16 | 2012-08-15 | 山东天畅环保工程有限公司 | Treatment process for comprehensive wastewater |
| CN103011529A (en) * | 2012-12-07 | 2013-04-03 | 常州大学 | Industrial wastewater treatment technology |
| CN103523988A (en) * | 2013-09-27 | 2014-01-22 | 昆山培新服装有限公司 | Printing and dyeing wastewater treatment process |
| CN104591478A (en) * | 2014-12-22 | 2015-05-06 | 福建宇邦纺织科技有限公司 | Method for recycling full chemical fiber dyeing wastewater after treatment |
| CN105110560A (en) * | 2015-08-27 | 2015-12-02 | 常州大学 | Zero-discharge dyeing wastewater treatment system |
| CN106245259A (en) * | 2016-08-27 | 2016-12-21 | 杭州大地印染有限公司 | Knitting fabric environment-friendly production process and cleaning system thereof |
| WO2019196057A1 (en) * | 2018-04-12 | 2019-10-17 | 苏州荣能环保科技有限公司 | Environmentally friendly mixed wastewater treatment system |
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