CN209307181U - A kind of processing unit of blanket dyeing wastewater - Google Patents
A kind of processing unit of blanket dyeing wastewater Download PDFInfo
- Publication number
- CN209307181U CN209307181U CN201822205657.8U CN201822205657U CN209307181U CN 209307181 U CN209307181 U CN 209307181U CN 201822205657 U CN201822205657 U CN 201822205657U CN 209307181 U CN209307181 U CN 209307181U
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- tank
- dyeing wastewater
- processing unit
- waste water
- blanket
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Abstract
The utility model discloses a kind of processing units of blanket dyeing wastewater, including through the sequentially connected conditioning tank of pipeline, reaction tank, primary sedimentation tank, anaerobism distribution reservoir, anaerobic tower, A/O reactor, secondary settling tank and clear water reserviors, the primary sedimentation tank is connected to sludge concentration tank through spoil disposal pipeline, the secondary settling tank is respectively connected to the anaerobic tower, A/O reactor through sludge return pipe, and the secondary settling tank is connected to the sludge concentration tank through spoil disposal pipeline.Organic pollutant in blanket dyeing wastewater more can thoroughly be degraded, and the ammonia nitrogen in waste water is completely removed by blanket dyeing wastewater processing unit provided by the utility model, the chroma in waste water handled is lower than 80 times, concentration of suspension is low, and water outlet is limpid, reaches discharge standard.
Description
Technical field
The utility model relates to sewage treatment equipment technical field, in particular to the processing of a kind of blanket dyeing wastewater fills
It sets.
Background technique
Blanket dyeing wastewater be woollen blanket is dyed, waste water caused by stamp in the production process of woollen blanket, and
The general designation of other waste water generated before and after dyeing front and back, stamp.Blanket dyeing wastewater big, concentration of suspension with waste water water
High, the features such as coloration is high, and contain a large amount of dyestuffs and a variety of dyeing assistants difficult to degrade in waste water, it is difficult to it handles.With Jiangsu
For certain textile mills, producing COD (COD) in waste water is 2000~5000mg/L (average out to 3500mg/L), pH value
6.5~7.0, ammonia nitrogen is 90~110mg/L (average out to 100mg/L), and suspended matter is mostly villus, fiber impurity etc., color in waste water
Degree is up to 5000 times or more and has grease.
One of an important factor for processing qualified discharge of blanket dyeing wastewater is puzzlement majority enterprise, can waste water stablize place
Reason and qualified discharge have become restriction enterprise and continue the big bottleneck of booming one.At traditional printing-dyeing waste water treatment process
The water quality discharged after reason can not stably reaching standard, easily environment is had a huge impact.
Utility model content
The purpose of the utility model is to solve the deficiencies of the prior art, and provides a kind of blanket dyeing wastewater processing dress
Set, the effective solution intractable problem of blanket dyeing wastewater can by the organic pollutant in blanket dyeing wastewater more
Thoroughly degradation, and the ammonia nitrogen in waste water is completely removed, the chroma in waste water handled is lower than 80 times, and concentration of suspension is low, out
Water is limpid, reaches discharge standard.And the sludge output of entire technique is small, effectively reduces investment and the running cost of enterprise's Treatment of Sludge
With system has many advantages, such as that power consumption is low, operating cost is low, operational administrative is simple, stable.
In order to solve the problems in the prior art, technical solution provided by the utility model is:
A kind of processing unit of blanket dyeing wastewater comprising through the sequentially connected conditioning tank of pipeline, reaction tank, just heavy
Pond, anaerobism distribution reservoir, anaerobic tower, A/O reactor, secondary settling tank and clear water reserviors, the primary sedimentation tank are connected to sludge through spoil disposal pipeline
Concentration basin, the secondary settling tank are respectively connected to the anaerobic tower, A/O reactor through sludge return pipe, and the secondary settling tank is through arranging
Mud pipeline is connected to the sludge concentration tank.
It further, further include accident pool to receive improper waste water, the accident pool is connected to the tune through pipeline
Pond is saved, elevator pump is equipped between the accident pool and the conditioning tank.
Further, the upstream of the conditioning tank water inlet end is equipped with fine fack.
Further, divide between the conditioning tank and the reaction tank, before the anaerobism distribution reservoir and the anaerobic tower
It She You not elevator pump.
Further, flocculant and coagulant are added in the reaction tank.
Further, the flocculant is PAC, and the coagulant is PAM.
Further, heat source is added in the anaerobism distribution reservoir, the temperature for controlling technique waste water is 30~37 DEG C.
Further, the heat source is steam.
Further, alkali is added in the A/O reactor water inlet, and control pH is 7~7.5.
Further, in the secondary settling tank sludge 85% be back to the A/O reactor, sludge 13% in the secondary settling tank
It is back to that the anaerobic tower, sludge 2% is discharged into the sludge concentration tank in the secondary settling tank.
Compared with prior art, the utility model has the advantages that:
Using the technical solution of the utility model, for COD (COD) concentration height of blanket dyeing wastewater, suspension
The feature that object (SS) concentration is high, coloration is high enters conditioning tank after technique waste water is first passed through fine fack removal batting, floating material,
Handled by reaction tank-primary sedimentation tank, then successively via one anaerobic tower-A/O reactor of anaerobism distribution reservoir-secondary settling tank by
It is discharged after grade processing by clear water reserviors, the utility model can drop the COD in blanket dyeing wastewater from 2000~5000mg/L
Down to 160mg/L hereinafter, COD removal rate is 95% or more, by the ammonia nitrogen in waste water from 90~110mg/L be reduced to 1mg/L with
Under, 99% or more ammonia nitrogen removal frank, while the coloration in waste water can be reduced within 80 times, and there is no secondary pollution, effectively
Solve the problems, such as that blanket dyeing wastewater is intractable；Water outlet can achieve " textile dyeing and finishing industrial water pollution object discharge standard "
(GB4287-2012) discharge standard (COD≤200mg/L, ammonia nitrogen≤15mg/L) is connect among the table 2 in；And the production of entire technique
Mud amount is small, effectively reduces the investment and operating cost of Treatment of Sludge, with power consumption is low, operating cost is low, operational administrative
Simply, the advantages that stable.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, and the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of the processing device embodiment of blanket dyeing wastewater of the utility model.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The utility model and be not limited to limitation the scope of the utility model.Implementation condition used in the examples can be according to specific producer
Condition do further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
It is the structural schematic diagram of the embodiments of the present invention referring to Fig. 1, a kind of blanket dyeing wastewater processing dress is provided
It sets, including sinks through the sequentially connected conditioning tank of pipeline, reaction tank, primary sedimentation tank, anaerobism distribution reservoir, anaerobic tower, A/O reactor, two
Pond and hydrophilic pond, primary sedimentation tank are connected to sludge concentration tank through spoil disposal pipeline, and secondary settling tank is separately connected and extremely through sludge return pipe
Anaerobic tower, A/O reactor, secondary settling tank also pass through spoil disposal pipeline and are connected to sludge concentration tank.
In order to receive improper waste water, it is additionally provided with accident pool, is equipped with fine fack, accident pool in the upstream of conditioning tank water inlet end
It is connected to conditioning tank through pipeline, workshop blanket dyeing wastewater removes batting, floating material through fine fack, if technique waste water is normal useless
Water then from conditioning tank regulating water quality water is flow to, flows automatically if technique waste water is improper waste water into accident pool, in accident pool
It is pumped into conditioning tank again after temporary processing.
Using above-mentioned blanket dyeing wastewater processing unit processing method the following steps are included:
(1) woollen blanket waste water flows automatically after collecting removes batting, floating material by fine fack, then sentences to woollen blanket waste water
Not, if technique waste water is that (i.e. the COD of technique waste water is no more than 5000mg/L and ammonia nitrogen concentration is not more than for normal wastewater
110mg/L) then flow automatically into conditioning tank, if technique waste water is that (i.e. the COD of technique waste water is greater than improper waste water
5000mg/L or ammonia nitrogen concentration are greater than 110mg/L) then flow automatically into accident pool, it is pumped into adjusting again after the temporary processing of accident pool
Enter before conditioning tank in pond, such as this example COD in technique waste water be 3500mg/L, ammonia nitrogen concentration 100mg/L,
Waste water is equipped with aeration stirring in conditioning tank regulating water quality water, conditioning tank, and homogeneous waste water is avoided that waste water because of oiliness mistake
It is high and gathered rich in fine particles such as villus, slurries and generate a large amount of cake mass, to reduce the influence to subsequent step；
(2) flocculant (PAC) and mixed will be added through conditioning tank treated technique waste water is pumped into reaction tank, in reaction tank
Solidifying agent (PAM) removes the fine particles such as villus, the slurry in waste water, and concentration of suspension is in reduction waste water to reduce to subsequent step
Influence.
(3) by treated in reacted pond, technique waste water gravity flow enters primary sedimentation tank carries out mud-water separation, and precipitating water outlet generates
Materialized mud be discharged into sludge concentration tank.Behind the reacted pond of technique waste water and primary sedimentation tank processing, having in waste water is mainly eliminated
Machine nitrogen, dyestuff, auxiliary agent, slurry and grease etc., wherein COD concentration drops to 1500mg/L by 3500mg/L, and removal rate is higher than
57%, ammonia nitrogen concentration drops to 80mg/L by 100mg/L, and removal rate is higher than 20%, and coloration is reduced to 100 times from 5000 times or so
Below；Every m31.03kg PAC powder and 0.017kg PAM powder is added in the control of waste water reaction pond, and the materialized mud of generation passes through
Moisture content is 70% after plate and frame filter press filters pressing, and materialized mud yield is that 1000 tons of waste water generation materialized muds of every processing are 4.4
Ton；Comparison uses reaction tank and flotation tank, and COD concentration drops to 2500mg/L by 3500mg/L, and removal rate is 30% or so, ammonia
Nitrogen concentration does not remove, and coloration is up to 5000 times or more and is reduced to 200 times hereinafter, materialized mud yield is that 1000 tons of every processing is useless
Aquatic biological sludge is 6.6 tons.Primary sedimentation tank is higher than the removal rate of flotation tank COD, ammonia nitrogen and coloration, and sludge yield is lower,
Primary sedimentation tank compares flotation tank in process route, it is easier to realize the up to standard of COD, ammonia nitrogen and coloration, operation is simpler, operation is more steady
Determine, sludge yield is lower, operating cost is less.
(4) steam will be added and heated as heat source, control through primary sedimentation tank treated technique waste water is discharged into anaerobism distribution reservoir
The temperature of technique waste water is 30~37 DEG C；
(5) will through anaerobism distribution reservoir treated technique waste water is pumped into anaerobic tower, opened in anaerobic tower in circulation, Waste
Water carries out anaerobic reaction in anaerobic tower, and macromolecule contaminant in waste water is made to become small molecule contaminants, pollutant change difficult to degrade
At degradable pollutant, and organic matter can remove in anaerobic hydrolysis tower basin.Through anaerobic tower treated waste water, water outlet
COD concentration is less than 1000mg/L, and anaerobic tower is greater than 33% to the removal rate of COD.；
(6) first pH value of waste water will be adjusted through the anaerobic tower treated technique waste water overflow to A/O reactor
Whole, alkali, every m is added in A/O reactor water inlet30.34kg sheet NaOH amount is added in waste water control, adjust pH value of waste water 7.0~
7.5, to meet the needs of autotrophic bacterium nitrification is to basicity under oxygen supply condition, meanwhile, A/O reactor outlet mixed liquor is flowed back
To front end water inlet, to meet under anoxia condition heterotrophic bacteria denitrification to NO3 -Demand.A/O reactor is to technique waste water
Aerobic biological process is carried out, A/O reactor is operated by the way of A/O, and leading portion anoxic section and back segment aerobic section are connected on one
It rises, A sections of DO are not more than 0.2mg/L, and O sections of DO are 2~4mg/L.In anoxic section heterotroph by starch, fiber, the carbon water in sewage
The suspended contaminants such as compound and dissolved organic matter are hydrolyzed to organic acid, so that larger molecular organics is decomposed into small molecule organic
Object, insoluble organic matter are converted to dissolved organic matter, carry out when these products through anaerobic hydrolysis enter A/O reactor
When oxygen processing, the biodegradability of sewage and the efficiency of oxygen can be improved；In anoxic section, heterotroph is by pollutants such as protein, fat
Carry out ammonification (amino in N or amino acid in organic chain) free ammonia (NH out4 +), under sufficient oxygen supply condition, autotrophic bacterium
Nitrification is by NH3-N(NH4 +) it is oxidized to NO3 -, under anoxic conditions, the denitrification of heterotrophic bacteria is by NO3 -It is reduced to molecule
State nitrogen (N2), the ecological circulation of C, N and O are completed, realizes the innoxious and up to standard processing of sewage.Therefore, it is reacted by the A/O
Organic matter is largely degraded after device processing.Waste water COD concentration after the A/O reactor for treatment is less than 160mg/L, goes
Except rate is higher than 84%, ammonia nitrogen concentration is less than 1mg/L, and removal rate is higher than 98%；If sheet NaOH amount is not added, pH value of waste water can be low
In 7.0, the concentration of ammonia nitrogen can be higher than 20mg/L, cause ammonia nitrogen exceeded；
(7) water outlet of A/O reactor is subjected to mud-water separation from secondary settling tank is flow to, the sludge 85% of secondary settling tank is back to A/
O reactor, 13% is back to anaerobic tower, and excess sludge 2% is discharged into sludge concentration tank, wherein the sludge being back in anaerobic tower can
Anaerobic digestion is carried out, excess sludge is greatly reduced, and the excess sludge of generation moisture content after plate and frame filter press filters pressing is
70%, excess sludge yield is that 1000 tons of waste water generation excess sludges of every processing are 0.1 ton；
(8) secondary clarifier effluent is discharged into clear water reserviors, then the row through clear water reserviors less than 80 times by effluent color dilution after secondary settling tank clarification
Put mouth discharge.
Raw water is after the processing of reaction tank-primary sedimentation tank, and suspended matter removal effect is fairly obvious in technique waste water, is subsequent
Processing lighten the load so that anaerobic tower and A/O reactor treatment effeciency with higher, and prevent equipment, pipeline
Blocking.After the pretreatment of reaction tank-primary sedimentation tank, the COD of technique waste water can be reduced to 1500mg/L from 3500mg/L hereinafter,
Removal rate has reached 57% or more, and ammonia nitrogen can be reduced to 80mg/L from 100mg/L hereinafter, removal rate has reached 20% or more, color
Degree is reduced to 100 times or less from 5000 times or so.Technique waste water is after anaerobic tower, and the COD of technique waste water is from 1500mg/L
It is reduced to 1000mg/L, COD removal rate reaches 33%.By A/O reactor and secondary settling tank treated technique waste water, COD
Concentration is also greatly lowered, and wherein COD concentration from 1000mg/L is reduced to 160mg/L hereinafter, removal efficiency is 84% or more, ammonia
Nitrogen concentration is reduced to 1mg/L hereinafter, removal efficiency is 98% or more from 80mg/L.Discharge index has reached " textile dyeing and finishing work
Industry pollution discharge standard " discharge standard is connect among table 2 in (GB 4287-2012).
In this example, the conditioning tank residence time is 48 hours, and the accident pool residence time is 24 hours, and the reaction tank reaction time is
20~30min, primary sedimentation tank surface loading are 0.49m3/(m2H), the sedimentation time is 5 hours, and the anaerobic tower residence time is 48 small
When, A/O reactor residence time is 48 hours, and secondary settling tank surface loading is 0.37m3/(m2H), the sedimentation time is 8 hours, dirty
Mud thickener concentration time is 12 hours.
Examples detailed above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with technique
People is can to understand the content of the utility model and implement accordingly, is not limited the protection scope of the present invention.It is all
According to the spirit of the present invention substantially equivalent transformation that is done or modification, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of processing unit of blanket dyeing wastewater, it is characterised in that: including through the sequentially connected conditioning tank of pipeline, reaction
Pond, primary sedimentation tank, anaerobism distribution reservoir, anaerobic tower, A/O reactor, secondary settling tank and clear water reserviors, the primary sedimentation tank are connected through spoil disposal pipeline
To sludge concentration tank, the secondary settling tank is respectively connected to the anaerobic tower, A/O reactor through sludge return pipe, and described two is heavy
Pond is connected to the sludge concentration tank through spoil disposal pipeline.
2. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: further include accident pool to connect
Receive improper waste water, the accident pool is connected to the conditioning tank through pipeline, is equipped between the accident pool and the conditioning tank
Elevator pump.
3. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: the conditioning tank water inlet end
Upstream is equipped with fine fack.
4. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: the conditioning tank and described anti-
Between Ying Chi, elevator pump is respectively equipped with before the anaerobism distribution reservoir and the anaerobic tower.
5. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: wadding is added in the reaction tank
Solidifying agent and coagulant.
6. the processing unit of blanket dyeing wastewater according to claim 5, it is characterised in that: the flocculant is PAC, institute
Stating coagulant is PAM.
7. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: add in the anaerobism distribution reservoir
Enter heat source, the temperature for controlling technique waste water is 30~37 DEG C.
8. the processing unit of blanket dyeing wastewater according to claim 7, it is characterised in that: the heat source is steam.
9. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: the A/O reactor water inlet
Alkali is added in mouth, and control pH is 7~7.5.
10. the processing unit of blanket dyeing wastewater according to claim 1, it is characterised in that: sludge in the secondary settling tank
85% be back to the A/O reactor, in the secondary settling tank sludge 13% be back to the anaerobic tower, sludge in the secondary settling tank
2% is discharged into the sludge concentration tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205657.8U CN209307181U (en) | 2018-12-26 | 2018-12-26 | A kind of processing unit of blanket dyeing wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205657.8U CN209307181U (en) | 2018-12-26 | 2018-12-26 | A kind of processing unit of blanket dyeing wastewater |
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| Publication Number | Publication Date |
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| CN209307181U true CN209307181U (en) | 2019-08-27 |
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|---|---|---|---|
| CN201822205657.8U Expired - Fee Related CN209307181U (en) | 2018-12-26 | 2018-12-26 | A kind of processing unit of blanket dyeing wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368951A (en) * | 2018-12-26 | 2019-02-22 | 苏州苏沃特环境科技有限公司 | A kind of processing unit and method of blanket dyeing wastewater |
-
2018
- 2018-12-26 CN CN201822205657.8U patent/CN209307181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368951A (en) * | 2018-12-26 | 2019-02-22 | 苏州苏沃特环境科技有限公司 | A kind of processing unit and method of blanket dyeing wastewater |
| CN109368951B (en) * | 2018-12-26 | 2023-12-05 | 苏州苏沃特环境科技股份有限公司 | Blanket printing and dyeing wastewater treatment device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20211226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |