CN207671856U - A kind of microelectrolysis processing system of dyeing waste water - Google Patents
A kind of microelectrolysis processing system of dyeing waste water Download PDFInfo
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- CN207671856U CN207671856U CN201721128840.1U CN201721128840U CN207671856U CN 207671856 U CN207671856 U CN 207671856U CN 201721128840 U CN201721128840 U CN 201721128840U CN 207671856 U CN207671856 U CN 207671856U
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Abstract
The utility model belongs to chemical wastewater treatment field, more particularly to a kind of microelectrolysis processing system of dyeing waste water, the system comprises sequentially connected flotation tank, regulating reservoir, iron-carbon micro-electrolysis pond, primary sedimentation tank, anaerobic pond, anoxic pond, aerobic tank, intermediate pool, active carbon filters, the system also includes mud storage pools, the flotation tank, regulating reservoir, aerobic tank are connect by sludge lifting pump with mud storage pool, and plate and frame filter press is provided in the mud storage pool.Flotation tank is arranged in front end is to water suspended matter and is removed by the utility model, while carrying out Fe-C micro electrolysis reaction according to waste water characteristic, improves the biodegradability of waste water, and the pretreated effect of efficient hardening creates advantage for subsequent biochemical treatment；Diving mixer is added in anaerobic pond and improves waste water hydrolysis acidification degree, plate membrane is arranged in aerobic tank, is realized that HRT is detached with SRT, is promoted sludge loading, stablize biological treatment, stablizes effluent quality.
Description
Technical field
The utility model belongs to chemical wastewater treatment field, and in particular to a kind of microelectrolysis processing system of dyeing waste water.
Background technology
Textile printing and dyeing industry is that China's water consumption is larger, more one of the industrial department of waste discharge amount.According to incomplete system
Meter, domestic daily 300 ~ 4,000,000 tons of the waste discharge amount of printing and dyeing enterprise.Entrainment containing fibrous raw material itself in the waste water of discharge
Slurry used in object and process, postal agent, dyestuff and chemical assistant etc. have high biochemical oxygen demand (BOD), coloration height, pH
It is worth the features such as high, belongs to intractable industrial wastewater.
For carrying out the textile enterprise of reprocessing fiber production, production using the cotton produce leftover pieces based on denim
Technique is divided into the workshop sections such as pickling, alkali cleaning, drying, sorting, shredding, spinning.Indigo is mainly contained in pickling and the generation of alkali washing process section
The acid washing water and alkali-wash waste water of the pollutants such as indigo plant.Currently, the printing-dyeing waste water treatment process of this kind of textile enterprise generally uses " coagulation
Pretreatment+A2The group technology of/O biological treatments+coagulating treatment+air supporting+filtering ", but it is discharged COD after this processCrMatter
A concentration of 140 ~ 290mg/L is measured, coloration is 125 ~ 200 times, is unable to reach newest《Textile dyeing and finishing industrial water pollution object discharge mark
It is accurate》Requirement.
Utility model content
For problems of the prior art, a kind of efficient hardening pretreatment of the utility model offer is stablized at biochemistry
The microelectrolysis processing system of the dyeing waste water of reason, guarantee advanced treating effect.
Its technical solution is：
A kind of microelectrolysis processing system of dyeing waste water, the system comprises sequentially connected flotation tank, regulating reservoir, iron carbon
Micro cell, primary sedimentation tank, anaerobic pond, anoxic pond, aerobic tank, intermediate pool, active carbon filter are provided in the aerobic tank
Reflux pump, the reflux pump are connected to anoxic pond by mixed-liquor return pipe, sludge reflux pump are provided in the intermediate pool,
The sludge reflux pump is connect by mud return line with anaerobic pond, the system also includes mud storage pool, the flotation tank, adjusting
Pond, aerobic tank are connect by sludge lifting pump with mud storage pool, and plate and frame filter press is provided in the mud storage pool.
Further, the regulating reservoir, iron-carbon micro-electrolysis pond, be both provided with boring aeration pipe in aerobic tank.
Further, iron-carbon micro-electrolysis bottom of pond portion arranges boring aeration pipe, and supporting layer is arranged in upper layer, according to iron carbonaceous amount
Than 2:1 laying forms 2m thickness packed beds.
Further, more diving mixers are provided in the anaerobic pond.
Further, plate membrane is equipped in the aerobic tank.
When this system works：After each plant effluent is collected, it is pumped up to flotation tank, while sky is passed through into flotation tank
Gas carries out air-flotation process to waste water and removes suspended matter in water removal, and waste water residence time in flotation tank is 2h；Flotation tank water outlet pumps
It is promoted to regulating reservoir, waste water pre-acidified, regulating reservoir is interior to carry out boring aeration, waste water is stirred homogeneous, waste water stops in regulating reservoir
It is 36h to stay the time, and regulating reservoir discharges water to iron-carbon micro-electrolysis pond；Added into iron-carbon micro-electrolysis pond useless acid for adjusting pH value on a small quantity be 3 ~
4, iron-carbon micro-electrolysis is carried out, while iron-carbon micro-electrolysis bottom of pond portion carries out boring aeration, is formed using acidity in water and iron charcoal small
Primary battery carries out open loop, chain rupture, to improve waste water by micro-electrolysis reaction to being difficult to biodegradable pollutant in waste water
Biodegradability, waste water are 2.5h in the iron-carbon micro-electrolysis pond residence time；It is discharged later and adjusts pH value in outlet canal to after 8 ~ 9,
Aluminium polychloride, anionic polyacrylamide are added, primary sedimentation tank is flowed into after completing coagulation process by the hydraulic mixing of outlet canal；It is useless
Water precipitates 4 ~ 5h in primary sedimentation tank, and supernatant water outlet is promoted to by pump in anaerobic pond；
Waste water carries out anaerobic reaction in anaerobic pond, is equipped with more diving mixers in anaerobic pond, waste water is stirred evenly,
Promote waste water hydrolysis acidification in anaerobic pond, retention time of sewage 30h；Anaerobic pond overflow discharges water in anoxic pond, and waste water exists
Macromolecular organic granular is resolved into small molecule organic granular, retention time of sewage 4h by denitrogenation dephosphorizing in anoxic pond；Anoxic pond
It discharges water in aerobic tank, carries out aeration Aerobic Process for Treatment, arrange that plate membrane, aerobic tank utilize membrane bioreactor in aerobic tank
（MBR）Technology realizes that HRT is detached with SRT, promotes sludge concentration, stablizes biological treatment, effectively reduces water outlet SS concentration and improves
Sewage treatment load；Retention time of sewage is 19h, while in aerobic tank in backflow mixed liquor to anoxic pond, carries out denitrification work
With to waste water progress denitrogenation processing；
It is precipitated in aerobic tank water outlet overflow to intermediate pool, standard water discharge is discharged after precipitation, if water outlet is below standard
It is promoted in active carbon filter through pump, standard water discharge is discharged after activated carbon adsorption is filtered；Precipitating sludge in intermediate pool
It is back in anaerobic pond by sludge reflux pump promotion and supplements suspended sludge, microorganism in anaerobic pond is promoted to carry out anaerobic respiration；
The sludge that flotation tank, primary sedimentation tank and aerobic tank generate flows into sludge-tank, then through in sludge pumping to plate compression pond
After carrying out filter-press dehydration, the dry mud cake of generation is transported outward.
The beneficial effects of the utility model are：
（1）Flotation tank is arranged in front end is to water suspended matter and is removed by the utility model, while according to waste water spy
Point carries out Fe-C micro electrolysis reaction, and open loop, chain rupture are carried out to the pollutant of difficult for biological degradation in waste water, to improve waste water can
Biochemical, the pretreated effect of efficient hardening create advantage for subsequent biochemical treatment；
（2）The utility model adds diving mixer in anaerobic pond and improves waste water hydrolysis acidification degree, in aerobic tank
It arranges plate membrane, using membrane bioreactor MBR technology, realizes that HRT is detached with SRT, promote sludge loading, stablize at biology
Reason effectively reduces water outlet SS concentration and improves sewage treatment load, to effectively stabilize the effect of biochemical treatment, stablizes water outlet
Water quality；
（3）The appearance of the utility model unstable situation of system operation in order to prevent utilizes activated carbon adsorption filtering to ensure
Standard water discharge ensures advanced treating effect；
（4）It is discharged COD after the light electrolysis system processing of the utility modelCrMass concentration be 60 ~ 90mg/L, NH3-N matter
5 ~ 8mg/L of concentration is measured, meets the requirement of newest discharge standard, effluent color dilution is up to standard.
Description of the drawings
Fig. 1 is the microelectrolysis processing process flow chart of the utility model.
Specific implementation mode
As shown in Figure 1, a kind of microelectrolysis processing system of dyeing waste water, the system comprises sequentially connected flotation tank,
Regulating reservoir, iron-carbon micro-electrolysis pond, primary sedimentation tank, anaerobic pond, anoxic pond, aerobic tank, intermediate pool, active carbon filter are described good
Reflux pump is provided in oxygen pond, the reflux pump is connected to anoxic pond by mixed-liquor return pipe, is arranged in the intermediate pool
There are sludge reflux pump, the sludge reflux pump to be connect with anaerobic pond by mud return line, the system also includes mud storage pool, institutes
It states flotation tank, regulating reservoir, aerobic tank to connect with mud storage pool by sludge lifting pump, plate compression is provided in the mud storage pool
Machine.
The regulating reservoir, iron-carbon micro-electrolysis pond are both provided with boring aeration pipe in aerobic tank.
Iron-carbon micro-electrolysis bottom of pond portion arranges boring aeration pipe, and supporting layer is arranged in upper layer, according to iron carbon mass ratio 2:1 applies
If forming 2m thickness packed beds.
More diving mixers are provided in the anaerobic pond.
Plate membrane is equipped in the aerobic tank.
The microelectrolysis processing system of the dyeing waste water produces a desired effect to the removal rate of pollutant, CODCrWith
This two indexs of NH3-N take removal rate to respectively reach 95% and 83% or more.
Claims (5)
1. a kind of microelectrolysis processing system of dyeing waste water, which is characterized in that the system comprises sequentially connected flotation tank, tune
Pond, iron-carbon micro-electrolysis pond, primary sedimentation tank, anaerobic pond, anoxic pond, aerobic tank, intermediate pool, active carbon filter are saved, it is described aerobic
Reflux pump is provided in pond, the reflux pump is connected to anoxic pond by mixed-liquor return pipe, is provided in the intermediate pool
Sludge reflux pump, the sludge reflux pump are connect by mud return line with anaerobic pond, and the system also includes mud storage pools, described
Flotation tank, regulating reservoir, aerobic tank are connect by sludge lifting pump with mud storage pool, and plate and frame filter press is provided in the mud storage pool.
2. a kind of microelectrolysis processing system of dyeing waste water according to claim 1, which is characterized in that the regulating reservoir,
It is both provided with boring aeration pipe in iron-carbon micro-electrolysis pond, aerobic tank.
3. a kind of microelectrolysis processing system of dyeing waste water according to claim 1, which is characterized in that the micro- electricity of iron carbon
It solves bottom of pond portion and arranges that supporting layer is arranged in boring aeration pipe, upper layer, laying forms 2m thickness iron carbon filler beds.
4. a kind of microelectrolysis processing system of dyeing waste water according to claim 1, which is characterized in that in the anaerobic pond
It is provided with more diving mixers.
5. a kind of microelectrolysis processing system of dyeing waste water according to claim 1, which is characterized in that in the aerobic tank
Equipped with plate membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128840.1U CN207671856U (en) | 2017-09-05 | 2017-09-05 | A kind of microelectrolysis processing system of dyeing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128840.1U CN207671856U (en) | 2017-09-05 | 2017-09-05 | A kind of microelectrolysis processing system of dyeing waste water |
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| Publication Number | Publication Date |
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| CN207671856U true CN207671856U (en) | 2018-07-31 |
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| CN201721128840.1U Active CN207671856U (en) | 2017-09-05 | 2017-09-05 | A kind of microelectrolysis processing system of dyeing waste water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574403A (en) * | 2018-12-28 | 2019-04-05 | 新疆天蓝水清环境服务有限公司 | A kind for the treatment of process of dyeing synthetic wastewater |
| CN110776208A (en) * | 2019-11-21 | 2020-02-11 | 江苏蓝必盛化工环保股份有限公司 | Treatment process of mixed wastewater containing 2B oil, 2B acid and 4B acid |
| CN113698007A (en) * | 2021-08-16 | 2021-11-26 | 北京首都国际机场股份有限公司 | Sewage discharge purification system and method for temporary garbage storage area of garbage transfer station |
-
2017
- 2017-09-05 CN CN201721128840.1U patent/CN207671856U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574403A (en) * | 2018-12-28 | 2019-04-05 | 新疆天蓝水清环境服务有限公司 | A kind for the treatment of process of dyeing synthetic wastewater |
| CN110776208A (en) * | 2019-11-21 | 2020-02-11 | 江苏蓝必盛化工环保股份有限公司 | Treatment process of mixed wastewater containing 2B oil, 2B acid and 4B acid |
| CN113698007A (en) * | 2021-08-16 | 2021-11-26 | 北京首都国际机场股份有限公司 | Sewage discharge purification system and method for temporary garbage storage area of garbage transfer station |
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