CN110194565A - A kind of wastewater treatment equipment and method for apparel industry - Google Patents
A kind of wastewater treatment equipment and method for apparel industry Download PDFInfo
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- CN110194565A CN110194565A CN201910525357.4A CN201910525357A CN110194565A CN 110194565 A CN110194565 A CN 110194565A CN 201910525357 A CN201910525357 A CN 201910525357A CN 110194565 A CN110194565 A CN 110194565A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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Abstract
The present invention relates to wastewater treatment equipment technical fields, more particularly to a kind of wastewater treatment equipment and method for apparel industry, including cylinder slag remover, pretreatment reaction pond, pretreatment sedimentation basin, conditioning tank, anaerobic acidification pond, aerobic tank, first stage precipitation tank, coagulation reaction tank, second-level settling pond and clear water reserviors, the present invention is greatly improved the biodegradability of waste water using anaerobic acidification, improve the condition of subsequent biochemical processing, have processing capacity strong using aerobic process, effluent quality is excellent, the advantages that coefficient of oxygen utilization is high, and pollutants removal rate is high；For its organic removal rate up to 93.5% or more, removal efficiency has good dephosphorization and denitrification effect up to 97% or more.In addition, the wastewater treatment equipment equipment is few, maintenance is simple, and operating cost is low, and operational administrative is simple, easy to spread and use.
Description
Technical field
The present invention relates to wastewater treatment equipment technical field more particularly to a kind of wastewater treatment dresses for apparel industry
It sets and method.
Background technique
The waste water of existing apparel industry has persistent organic pollutants concentration height, coloration high, containing reactive dye, divides
The features such as dissipating the color additives such as a variety of dyestuffs and soda ash such as dyestuff.
Currently, the treatment process of bleaching and dyeing wastewater usually has Aerobic aeration, anaerobism that aerobic treatment method, materialization is added to add life
It is a variety of to change facture and biochemical plus materializing strategy etc., for being formed by dyeing waste water using reactive dye, makes good use of merely
The processing of oxygen biochemical method, is difficult to be processed to up to standard.And first materialization biochemical treatment process again, although can first be removed for theory
It removes a large amount of pollutants and greatly reduces subsequent biochemical structures, to reduce investment outlay, but be actually directed to changeable water quality, very
Difficulty selects a kind of medicament with extensive adaptability to obtain stable coagulation effect.The country is to reactive dye bleaching and dyeing wastewater at present
Directly dispensing coagulation and have stablize treatment effect case history it is actually rare, and because the pollutant concentration of raw wastewater height,
It is bound to cause the increase of dosage, the disposition of caused biggish medicament expense and huge chemical sludge.
In addition, biochemical treatment is due to technology maturation, operating cost is lower, operational administrative is simple, it has also become at present at waste water
The technique core of reason.Wherein earliest using traditional activated sludge process, but with the extensive use and skill in actual production
Continuous innovation in art improves, and especially in recent decades, is being furtherd investigate, is being inquired into its biological respinse and purification mechanism
On the basis of, activated sludge process biology, the theoretical side of kinetics and all obtained in process aspect it is long-range
Development.
Therefore, in order to solve the problems, such as it is above-mentioned deposit in the prior art, this application provides a kind of for apparel industry
Wastewater treatment equipment and method.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide one kind to have very high organic removal rate, has
Good dephosphorization and denitrification effect and good removal efficiency, operating cost is low, and operational administrative is simply directed to textile garment
The wastewater treatment equipment and method of factory.
To achieve the above object, the present invention provides a kind of wastewater treatment equipments for apparel industry, including cylinder
Slag remover, pretreatment reaction pond, pretreatment sedimentation basin, conditioning tank, anaerobic acidification pond, aerobic tank, first stage precipitation tank, coagulating
Pond, second-level settling pond and clear water reserviors, the cylinder slag remover are connect with pretreatment reaction pond, the pretreatment reaction pond and pre- place
Sedimentation basin connection is managed, the pretreatment sedimentation basin is connect with conditioning tank, and the conditioning tank is connect with anaerobic acidification pond, the anaerobism
Acidification pool is connect with aerobic tank, and the aerobic tank is connect with first stage precipitation tank, and the first stage precipitation tank is connect with coagulation reaction tank,
The coagulation reaction tank is connect with second-level settling pond, and the second-level settling pond is connect with clear water reserviors.
Preferably, the concentrated sulfuric acid is added in the conditioning tank.
Preferably, the leading portion of the aerobic tank is provided with stripping pond, and aeration mechanism, the aeration are equipped in the stripping pond
Mechanism is made of micro-hole aerator and roots blower.
Preferably, coagulant and flocculation aid are added in the coagulation reaction tank, the coagulant is aluminium polychloride, institute
Stating flocculation aid is polyacrylamide.
Preferably, drift ice is added in the clear water reserviors.
Preferably, the anaerobic acidification pond, aerobic tank and first stage precipitation tank are connect with sludge reflux pond.
Preferably, the anaerobic acidification pond is connect with sludge concentration tank, and the second-level settling pond passes through sludge-tank and sludge
Concentration basin connection.
Preferably, the sludge concentration tank is connect with collection mud sump, is connected between collection mud sump and the sludge dewatering.
The present invention also provides a kind of wastewater treatment methods for apparel industry, comprising the following steps:
The waste water that S1, apparel industry generate is promoted through pressure pipe to cylinder slag remover after pipeline is collected；
S2, waste water enter pretreatment reaction pond after cylinder slag remover；
S3, the waste water behind pretreatment reaction pond enter pretreatment sedimentation basin and carry out preformed precipitate；
S4, the waste water after pre-processing sedimentation basin enter conditioning tank, in conditioning tank added with the concentrated sulfuric acid to waste water into
Row neutralisation treatment；
S5, through neutralization after waste water anaerobic acidification pond is promoted to by pump again, for by waste water macromolecule organic,
Insoluble organic matter is resolved into the organic matter of small molecule by amphimicrobe；
S6, by treated in anaerobic acidification pond, waste water enters aerobic tank, for removing sulphide removal, the sulphur-containing exhaust gas of generation
Purified treatment is carried out after collection；
S7, enter first stage precipitation tank progress mud-water separation from the water that aerobic tank comes out；
S8, the waste water after first stage precipitation tank mud-water separation enter coagulation reaction tank, and use coagulant and flocculation aid
Adsorptivity further remove the coloration of waste water；
S9, the waste water after coagulating carry out mud-water separation in second-level settling pond, and supernatant is discharged into sand filter, second level
Sedimentation basin some residual sludge increases the sludge of two unit cells by pumping to anaerobic acidification pond and activated sludge reaction pond
Concentration；Remaining excess sludge is discharged into sludge-tank by fine pressure timing, and carries out thickening by pumping to sludge concentration tank；
S10, the clear liquid finally obtained from second-level settling pond are discharged to clear water reserviors, and a certain amount of drift ice is added in clear water reserviors,
Last decolorization is carried out to waste water, clean water is discharged into river artificial swamp, last qualified discharge after metering.
The invention has the following advantages: a kind of wastewater treatment equipment for apparel industry of the present invention,
Including cylinder slag remover, pretreatment reaction pond, pretreatment sedimentation basin, conditioning tank, anaerobic acidification pond, aerobic tank, first stage precipitation tank,
Coagulation reaction tank, second-level settling pond and clear water reserviors, the present invention are greatly improved the biodegradability of waste water using anaerobic acidification, improve
The condition of subsequent biochemical processing has processing capacity strong using aerobic process, and effluent quality is excellent, and coefficient of oxygen utilization is high, pollutant
The advantages that removal rate is high；Up to 93.5% or more, removal efficiency has good its organic removal rate up to 97% or more
Good dephosphorization and denitrification effect.In addition, the wastewater treatment equipment equipment is few, maintenance is simple, and operating cost is low, and operational administrative is simple,
Easy to spread and use.
Detailed description of the invention
Fig. 1 is block diagram of the invention；
Fig. 2 is process flow chart of the invention.
In figure: 1 cylinder slag remover, 2 pretreatment reaction ponds, 3 pretreatment sedimentation basins, 4 conditioning tanks, 5 anaerobic acidification ponds, 6 good
Oxygen pond, 7 first stage precipitation tanks, 8 coagulation reaction tanks, 9 second-level settling ponds, 10 clear water reserviors.
Specific embodiment
Referring to Fig. 1-Fig. 2 to a kind of wastewater treatment equipment and method for apparel industry of the present invention into
Row is described in detail.
As shown in Figure 1, the wastewater treatment equipment for apparel industry of the invention, including cylinder slag remover 1, pretreatment
Reaction tank 2, pretreatment sedimentation basin 3, conditioning tank 4, anaerobic acidification pond 5, aerobic tank 6, first stage precipitation tank 7, coagulation reaction tank 8, two
Grade sedimentation basin 9 and clear water reserviors 10, the cylinder slag remover 1 connects with pretreatment reaction pond 2, the pretreatment reaction pond 2 and in advance
Sedimentation basin 3 is handled to connect, the pretreatment sedimentation basin 3 is connect with conditioning tank 4, and the conditioning tank 4 is connect with anaerobic acidification pond 5,
The anaerobic acidification pond 5 is connect with aerobic tank 6, and the aerobic tank 6 is connect with first stage precipitation tank 7, the first stage precipitation tank 7 with it is mixed
Solidifying reaction tank 8 connects, and the coagulation reaction tank 8 is connect with second-level settling pond 9, and the second-level settling pond 9 is connect with clear water reserviors 10.
Wherein, the anaerobic acidification pond 5, aerobic tank 6 and first stage precipitation tank 7 are connect with sludge reflux pond；The anaerobic acidification pond 5 with
Sludge concentration tank connection, the second-level settling pond 9 are connect by sludge-tank with sludge concentration tank；The sludge concentration tank and collection mud
Pond connection, connects between collection mud sump and the sludge dewatering.
Specifically, the waste water that apparel industry generates is promoted through pressure pipe to cylinder slag remover, cylinder after pipeline is collected
Slag remover avoids water pump from blocking, waste water enters pretreatment after cylinder slag remover for removing the sundries such as waste water cloth hair, the end of a thread
Reaction tank.
Specifically, being added with the concentrated sulfuric acid in the conditioning tank 4, since waste water is in alkalinity, the bacterium of hydrolysis acidification pool is to pH
Value requires to be between 6.5~7.8, so waste water must be neutralized before entering anaerobic acidification pond, the present embodiment is used
The concentrated sulfuric acid is neutralized, and the concentrated sulfuric acid is added by metering pump and the automatic control of pH instrument.The effect of conditioning tank is the water for adjusting waste water
Matter water, since dyeing waste water discharge is very uneven, so needing the water quality of balanced waste water in favor of postorder processing.
Specifically, the waste water after neutralizing is promoted to anaerobic acidification pond by pump again, anaerobic acidification pond is biological treatment system
It unites the pretreatment facility of front, macromolecule organic, insoluble organic matter in waste water resolve into having for small molecule by amphimicrobe
The BOD5/CODCr ratio of machine object, waste water is improved, and is created condition for subsequent Aerobic biological process.In the present embodiment
In, water distribution is carried out using pulse water distributing device, the biologic packing material hung in waste water and anaerobic acidification pond is come into full contact with, is conducive to mention
The utilization rate in high anaerobic acidification pond.
Specifically, the leading portion of the aerobic tank 6 is provided with stripping pond, aeration mechanism, the exposure are equipped in the stripping pond
Mechanism of qi structure is made of micro-hole aerator and roots blower；In the present embodiment, waste water is carried out by high-intensitive blast aeration
Stripping processing carries out purified treatment after going sulphide removal, the sulphur-containing exhaust gas of generation to collect；Meanwhile aerobic is this process flow
Core, most organic pollutants is thoroughly decomposed herein in waste water, to guarantee waste water energy qualified discharge mark
It is quasi-.In waste water treatment engineering, the energy consumption of aerobic aeration system is the main composition of wastewater treatment energy consumption, therefore should be reasonably
Energy-efficient aerator is selected, unnecessary waste is avoided.Whether comprehensively consider operating cost, maintenance management and technology
The factors such as maturation, this present embodiment select tubulose variable microporous aerator.
Specifically, aerobic tank water outlet, which enters first stage precipitation tank, carries out mud-water separation, sludge settling is in the collection of first stage precipitation tank
Bucket, the processing of waste water further progress mud-water separation.
Specifically, being added with coagulant and flocculation aid in the coagulation reaction tank 8, the coagulant is aluminium polychloride,
The flocculation aid is polyacrylamide；In the present embodiment, waste water is further removed using the adsorptivity of coagulant and flocculation aid
Coloration.
Specifically, the waste water after coagulating carries out mud-water separation in second-level settling pond 9, supernatant is discharged into sand filtration
Pond；9 some residual sludge of second-level settling pond is by pumping to anaerobic acidification pond and activated sludge reaction pond to increase by two units
The sludge concentration in pond；Remaining excess sludge is discharged into sludge-tank by fine pressure timing, and dense to sludge concentration tank progress by pumping
Contracting dehydration.
Specifically, a certain amount of drift ice is added in the clear water reserviors 10, last decolorization, clean water are carried out to waste water
It is discharged into river artificial swamp, last qualified discharge after metering.
In addition, the anaerobism excess sludge of second-level settling pond is discharged into sludge-tank by fine pressure, dirt is then promoted to by sludge pump
Mud thickener carries out initial concentration, is taken off again by pumping to high plate frame filter press deep dehydration after the sludge after concentration is conditioned
Sludge after water, which is sent to Cogeneration Project, to centrally dispose.The supernatant of sludge concentration tank, the filtrate of filter press drain into and catchment
Pond is handled again.
As shown in Fig. 2, the wastewater treatment method for apparel industry of the invention, comprising the following steps:
The waste water that S1, apparel industry generate is promoted through pressure pipe to cylinder slag remover 1 after pipeline is collected；
S2, waste water enter pretreatment reaction pond 2 after cylinder slag remover 1；
S3, the waste water behind pretreatment reaction pond 2 enter pretreatment sedimentation basin 3 and carry out preformed precipitate；
S4, the waste water after pre-processing sedimentation basin 3 enter conditioning tank 4, added with the concentrated sulfuric acid to waste water in conditioning tank 4
It is neutralized；
S5, the waste water after neutralizing are promoted to anaerobic acidification pond 5 by pump again, for the macromolecule in waste water is organic
Object, insoluble organic matter are resolved into the organic matter of small molecule by amphimicrobe；
S6, by treated in anaerobic acidification pond 5, waste water enters aerobic tank 6, and for removing sulphide removal, the sulfur-bearing of generation is useless
Gas carries out purified treatment after collecting；
S7, enter the progress mud-water separation of first stage precipitation tank 7 from the water that aerobic tank 6 comes out；
S8, the waste water after 7 mud-water separation of first stage precipitation tank enter coagulation reaction tank 8, and using coagulant and help solidifying
The adsorptivity of agent further removes the coloration of waste water；
S9, the waste water after coagulating carry out mud-water separation in second-level settling pond 9, and supernatant is discharged into sand filter, and two
Grade 9 some residual sludge of sedimentation basin increases the dirt of two unit cells by pumping to anaerobic acidification pond and activated sludge reaction pond
Mud concentration；Remaining excess sludge is discharged into sludge-tank by fine pressure timing, and carries out thickening by pumping to sludge concentration tank；
S10, finally from the clear liquid that second-level settling pond 9 obtains clear water reserviors 10 are discharged to, are added in clear water reserviors 10 a certain amount of
Drift ice, last decolorization is carried out to waste water, and clean water is discharged into river artificial swamp, last qualified discharge after metering.
Simultaneously, it should be noted that it is the biochemistry for preferably adapting to hardly degraded organic substance in sewage in the present embodiment,
Comprehensive wastewater removal rate is improved, anaerobic acidification pond is set before biochemical treatment, sewage collecting conveying is comprehensively considered and point source is located in advance
On the one hand many factors of reason, anaerobic acidification pond achieve the purpose that buffer load impact, balanced water quality, the micro- life of another aspect anaerobism
Macromolecular organic pollutant degradation difficult to degrade is degradable small molecule organic pollutant by object, and it is biochemical to significantly improve waste water
Property, the anaerobic acidification pond residence time of the present embodiment is about 9 hours.
Waste water enters subsequent aerobic treatment process after anaerobic acidification, uses Aerobic Process for Treatment right and wrong in printing-dyeing waste water treatment process
Often it is necessary to, and one of most critical is determining reasonable gas-water ratio (i.e. dissolved oxygen content) in Aerobic Process for Treatment design, aerobic
In pond gas-water ratio it is reasonable whether, on the one hand to Aerobic Process for Treatment effect quality whether wastewater treatment effluent quality is reached in other words
Mark discharge plays a decisive role.If gas-water ratio is selected too much, cause microorganism autoxidation excessive velocities in aerobic tank, in water outlet
Sludge is frangible and is difficult to settle, and cannot reach discharge standard so as to cause final outflow water index；But the if mistake of gas-water ratio choosing
It is small, and it is not able to satisfy the needs that microorganism grows in aerobic tank, it also results in water outlet and is unable to qualified discharge.Lint knitting wool is bleachinged and dyeing
Waste water boils all small more of drift waste water COD cr, pH value, coloration compared with moving back for woven fabric, so the gas-water ratio of aerobic tank also accordingly subtracts
It is few, it is general to select 12~15:1 of gas-water ratio proper；The bleachinging and dyeing of knitted fabric, the high-temperature dyeing of cotton thread and cowboy rinsing are useless
Water, the gas-water ratio of aerobic tank generally select 10~12:1.With reference to the different gas-water ratio such as Deng Hanyong to dyeing waste water biochemistry at
The influence of effect is managed, under conditions of 10~15:1, COD, ammonia nitrogen, chromaticity index in waste water can be obtained effectively gas-water ratio
Control, wherein ammonia nitrogen stable water outlet can satisfy the requirement of discharge standard in 5.51~7.36mg/L；It is exposed simultaneously using micropore
The original perforated pipe aerating regulation system of gas system replacement, the transfer efficiency and dynamic efficiency of oxygen greatly improve, and reduce energy consumption, improve
Economic benefit.
In order to supplement the sludge quantity in anaerobic acidification pond, and is brought into using the returned sludge in aeration tank and is partly dissolved oxygen,
Increase the removal effect in anaerobic acidification pond, the present embodiment aerobic tank excess sludge is back to anaerobic acidification by sludge reflux pump
Pond when biochemical treatment mainly uses aerobic aeration technique, and requires to nitrify sewage or nitrified and when denitrification, because
The Nitrosomas of autotrophic type has the Specific incremental rate μ N of very little, and the heterotroph biofacies with removal carbon source is than a small quantity
Grade or more, it is therefore desirable to nitrification has longer sludge age or lower sludge negative than the system for removing carbon source BOD5 merely
Lotus, with this condition, with the extension of sewage disposal system sludge age, the removal rate of CODCr and BOD5 have raising by a relatively large margin,
It is not difficult to reach discharge standard requirement.
In addition, Anaerobic Treatment is the effect using anaerobic bacteria, the organic matter in sewage is removed.Anaerobic processes can be divided into hydrolysis
Hardly degraded organic substance can be resolved into easily biodegradable organics, by macromolecular by stage, acidification stage and methanation stage, anaerobic acidification
Organic matter degradation is at small organic molecule, and microorganism only has deliquescent small-molecule substance just can be direct the intake of organic matter
Into intracellular.Therefore, the product of anaerobic acidification provides advantage for microorganism panning organic matter, and anaerobic acidification can be significantly
The biodegradability of waste water is improved, the condition of subsequent biochemical processing is improved.
It has been investigated that anaerobic processes control can be born with relatively high in a short time in hydrolysis and acidification stage
Higher removal efficiency is obtained under lotus, and substantially improves and improve the biodegradability and dissolubility of waste water.And anaerobic acidification
Closed pond body is not needed, complicated three phase separator is not needed yet, is discharged the bad smell of typically no anaerobic fermentation, not yet
It will affect the environment of sewage treatment project.
Wherein, aerobic process uses modified form active sludge treatment process, and active sludge treatment process is using earliest
Most widely used biologic process for treating sewage technology in biochemical wastewater treatment technology and our times has processing capacity
By force, the advantages that effluent quality is excellent.
Activated sludge process is oxygenated and is stirred to sewage by aeration, makes activated sludge in suspended state, and with dirt
Water comes into full contact with, and using the pollutant in activated sludge absorption degradation sewage, and carries out itself metabolism, thus sewage obtains
Purification.The modified form activated sludge process that the engineering uses has the advantage that processing capacity is strong, and effluent quality is excellent；Oxygen
Utilization rate is higher, and pollutants removal rate is high；The exposure that each gallery is adjusted is required according to the oxygen demand of microbial degradation pollutant
Tolerance, i.e. saving operating cost achieve the purpose that optimize activated sludge process again；Equipment is few, and maintenance is simple.
In conclusion " anaerobic acidification+aerobic oxidation " technique be in this treatment of dyeing wastewater engineering it is practical, technology is
It is mature and feasible.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of wastewater treatment equipment for apparel industry, which is characterized in that anti-including cylinder slag remover (1), pretreatment
Ying Chi (2), pretreatment sedimentation basin (3), conditioning tank (4), anaerobic acidification pond (5), aerobic tank (6), first stage precipitation tank (7), coagulation
Reaction tank (8), second-level settling pond (9) and clear water reserviors (10), the cylinder slag remover (1) connect with pretreatment reaction pond (2), institute
It states pretreatment reaction pond (2) to connect with pretreatment sedimentation basin (3), the pretreatment sedimentation basin (3) connect with conditioning tank (4), institute
It states conditioning tank (4) to connect with anaerobic acidification pond (5), the anaerobic acidification pond (5) connect with aerobic tank (6), the aerobic tank (6)
Connect with first stage precipitation tank (7), the first stage precipitation tank (7) connect with coagulation reaction tank (8), the coagulation reaction tank (8) with
Second-level settling pond (9) connection, the second-level settling pond (9) connect with clear water reserviors (10).
2. a kind of wastewater treatment equipment for apparel industry according to claim 1, which is characterized in that the adjusting
The concentrated sulfuric acid is added in pond (10).
3. a kind of wastewater treatment equipment for apparel industry according to claim 2, which is characterized in that described aerobic
The leading portion in pond (6) is provided with stripping pond, aeration mechanism is equipped in the stripping pond, the aeration mechanism is by micro-hole aerator and sieve
Thatch blower composition.
4. a kind of wastewater treatment equipment for apparel industry according to claim 3, which is characterized in that the coagulation
Coagulant and flocculation aid are added in reaction tank (8), the coagulant is aluminium polychloride, and the flocculation aid is polyacrylamide
Amine.
5. a kind of wastewater treatment equipment for apparel industry according to claim 4, which is characterized in that the clear water
Drift ice is added in pond (10).
6. a kind of wastewater treatment equipment for apparel industry according to claim 5, which is characterized in that the anaerobism
Acidification pool (5), aerobic tank (6) and first stage precipitation tank (7) are connect with sludge reflux pond.
7. a kind of wastewater treatment equipment for apparel industry according to claim 6, which is characterized in that the anaerobism
Acidification pool (5) is connect with sludge concentration tank, and the second-level settling pond 9 is connect by sludge-tank with sludge concentration tank.
8. a kind of wastewater treatment equipment for apparel industry according to claim 7, which is characterized in that the sludge
Concentration basin is connect with collection mud sump, is connected between collection mud sump and the sludge dewatering.
9. a kind of wastewater treatment method for apparel industry, which comprises the following steps:
The waste water that S1, apparel industry generate is promoted through pressure pipe to cylinder slag remover (1) after pipeline is collected；
S2, waste water enter pretreatment reaction pond (2) after cylinder slag remover (1)；
S3, the waste water after pretreatment reaction pond (2) enter pretreatment sedimentation basin (3) and carry out preformed precipitate；
S4, the waste water after pre-processing sedimentation basin (3) enter conditioning tank (4), added with the concentrated sulfuric acid to useless in conditioning tank (4)
Water is neutralized；
S5, through neutralization after waste water anaerobic acidification pond (5) are promoted to by pump again, for by waste water macromolecule organic,
Insoluble organic matter is resolved into the organic matter of small molecule by amphimicrobe；
S6, by anaerobic acidification pond (5) treated, waste water enters aerobic tank (6), and for removing sulphide removal, the sulfur-bearing of generation is useless
Gas carries out purified treatment after collecting；
S7, enter first stage precipitation tank (7) progress mud-water separation from the water that aerobic tank (6) come out；
S8, the waste water after 7 mud-water separation of first stage precipitation tank enter coagulation reaction tank (8), and use coagulant and flocculation aid
Adsorptivity further remove the coloration of waste water；
S9, the waste water after coagulating carry out mud-water separation in second-level settling pond (9), and supernatant is discharged into sand filter, second level
Sedimentation basin (9) some residual sludge increases the dirt of two unit cells by pumping to anaerobic acidification pond and activated sludge reaction pond
Mud concentration；Remaining excess sludge is discharged into sludge-tank by fine pressure timing, and carries out thickening by pumping to sludge concentration tank；
S10, finally from the clear liquid that second-level settling pond (9) obtain clear water reserviors (10) are discharged to, be added in the clear water reserviors (10) a certain amount of
Drift ice, last decolorization is carried out to waste water, clean water is discharged into river artificial swamp, last qualified discharge after metering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525357.4A CN110194565A (en) | 2019-06-18 | 2019-06-18 | A kind of wastewater treatment equipment and method for apparel industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN111233254A (en) * | 2020-01-16 | 2020-06-05 | 深圳市蓝清环境科技工程有限公司 | Reinforced biological membrane wastewater treatment process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111233254A (en) * | 2020-01-16 | 2020-06-05 | 深圳市蓝清环境科技工程有限公司 | Reinforced biological membrane wastewater treatment process |
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