CN109231733A - Dyeing and printing sewage processing system - Google Patents

Dyeing and printing sewage processing system Download PDF

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Publication number
CN109231733A
CN109231733A CN201811421432.4A CN201811421432A CN109231733A CN 109231733 A CN109231733 A CN 109231733A CN 201811421432 A CN201811421432 A CN 201811421432A CN 109231733 A CN109231733 A CN 109231733A
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China
Prior art keywords
unit
tank
decolorization
sterilization
group
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CN201811421432.4A
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Chinese (zh)
Inventor
陈卫红
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Chen Weihong
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Foshan Lulian Biological Technology Co Ltd
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Priority to CN201811421432.4A priority Critical patent/CN109231733A/en
Publication of CN109231733A publication Critical patent/CN109231733A/en
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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
    • 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
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • 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
    • C02F2101/308—Dyes; Colorants; Fluorescent agents
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • 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
    • C02F3/02—Aerobic processes
    • 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
    • C02F3/28—Anaerobic digestion processes
    • 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
    • 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
    • C02F3/301—Aerobic and anaerobic treatment in the same reactor

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

本发明属于工业废水处理技术领域，涉及一种印染污水处理系统。本发明的印染污水处理系统，包括依次连接的过滤单元、脱色单元、除味单元、厌氧单元、好氧单元、杀菌净化单元和清水贮存/回用单元；脱色单元包括至少两个脱色罐组，两个脱色罐组之间设置有暂水池，暂水池内设有氧曝气单元和厌氧沉降单元；脱色罐内设置有用于脱色的生物填料；除味单元包括至少一个除味罐组，除味罐内设置有用于除味的生物填料；杀菌净化单元包括至少一个杀菌净化罐组，杀菌净化罐内设置有用于杀菌净化的填料。本发明可以有效降低印染废水中的污染物含量，处理后的废水能够达到工业回用水国家标准，并且处理成本低，节省了投资成本，处理能力强。

The invention belongs to the technical field of industrial wastewater treatment, and relates to a printing and dyeing wastewater treatment system. The printing and dyeing sewage treatment system of the present invention includes a filter unit, a decolorization unit, a deodorization unit, an anaerobic unit, an aerobic unit, a sterilization purification unit and a clean water storage/reuse unit connected in sequence; the decolorization unit includes at least two decolorization tank groups , a temporary water tank is arranged between the two decolorization tank groups, and an oxygen aeration unit and an anaerobic sedimentation unit are arranged in the temporary water tank; biological fillers for decolorization are arranged in the decolorization tank; the deodorization unit includes at least one deodorization tank group, The deodorization tank is provided with biological fillers for deodorization; the sterilization and purification unit includes at least one sterilization and purification tank group, and the sterilization and purification tank is provided with fillers for sterilization and purification. The invention can effectively reduce the pollutant content in the printing and dyeing wastewater, the treated wastewater can reach the national standard for industrial reuse water, and the treatment cost is low, the investment cost is saved, and the treatment capacity is strong.

Description

Dyeing and printing sewage processing system
Technical field
The invention belongs to industrial waste water treatments, in particular to a kind of dyeing and printing sewage processing system.
Background technique
Printing and dyeing enterprise is industrial wastewater discharge rich and influential family, dyeing waste water complicated components, often containing there are many dyestuffs, a large amount of organic Object, coloration, sulfide and part of auxiliary etc., have that water is big, organic pollutant content is high, coloration is deep, alkalinity is big, degradability Difference, the features such as change of water quality is big, belong to intractable industrial wastewater.It is shown through investigation, textile printing and dyeing industry discharge of wastewater Amount accounts for 11% or so of national wastewater discharge, discharges 20~2,300,000,000 tons of waste water every year；COD annual emissions 24~300,000 ton, Full industrial trade accounting 9%, is number two；Every 100 meters of fabrics of processing will generate 3~5 tons of wastewater flow rate；The per day waste water of printing and dyeing mill Treating capacity is more than 2000 tons.The untreated discharge of these waste water will certainly cause ambient enviroment seriously to pollute.
Common printing and dyeing processing mode mainly includes physico-chemical process and biochemical method two major classes, and wherein physico-chemical process is that flocculant is added Or coagulant carries out precipitating or air bearing, removes pollutant therein, since dosing is costly, removal pollutant is not thorough, sludge Discharge amount is big and difficult, can generate certain secondary pollution, not be used alone generally.And biochemical method is the work using microorganism With make organic matter degradation in waste water, absorption and remove, since the organic matter of a large amount of difficult for biological degradation in recent years enters dyeing waste water In, so that traditional biochemical method treatment process is by serious challenge.
Since traditional printing and dyeing wastewater treatment system exists, decoloration is difficult, total nitrogen is exceeded, treated, and waste water is difficult to reach back With standard, processing capacity is limited and cost of investment is big, solid waste is difficult, takes up a large area the disadvantages of high with processing cost.Cause This, it is desirable to a kind of economical and effective new printing and dyeing wastewater treatment system is provided, with one at least solving the above problems It is a.
In consideration of it, the present invention is specifically proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of dyeing and printing sewage processing systems, can be effectively reduced containing for dirty water pollutant Amount, so that treated, sewage meets reuse standard, and processing cost is low, saves cost of investment, improves processing capacity.
To achieve the above object, the technical solution adopted by the present invention are as follows:
According to an aspect of the present invention, the present invention provides a kind of dyeing and printing sewage processing system, including sequentially connected mistake Filter unit, decoloration unit, taste removal unit, anaerobic unit, aerobic unit, bactericidal purifying unit and clear water storage/reuse unit；
The decoloration unit includes at least two bleacher groups, is provided with temporary pond, institute between two bleacher groups It states and is equipped with oxygen aeration unit and anaerobism sedimentation unit in temporary pond；It is provided in the bleacher group and is filled out for the biology of decoloration Material；
The taste removal unit includes at least one taste removal tank group, is provided in the taste removal tank group and fills out for the biology of taste removal Material；
The bactericidal purifying unit includes at least one bactericidal purifying tank group, is provided with and is used in the bactericidal purifying tank group The filler of bactericidal purifying.
As further preferred technical solution, the filter element includes filter vat and/or bag filter；
Preferably, the filter element includes the filter vat and bag filter being connected；
Preferably, be provided in the filter vat mesh number be 400~600 mesh stainless steel grenadine, preferably 450~500 Mesh；
Preferably, water pump is provided on the pipeline that the filter element is connected with decoloration unit.
As further preferred technical solution, the decoloration unit includes 2~4 bleacher groups, preferably includes 3 decolorations Tank group is followed successively by the first bleacher group, the second bleacher group and third bleacher group；
Preferably, the temporary pond is provided between the first bleacher group and the second bleacher group, described second is de- It is connected in parallel or is connected in series between color tank group and third bleacher group；
Preferably, each bleacher group includes at least two bleachers for being connected in series or being in parallel；
Preferably, on the pipeline that the bleacher group is connect with temporary pond, the pipe of two neighboring bleacher group connection Road is provided with water pump and/or force (forcing) pump.
As further preferred technical solution, multiple vertical clapboards in stagger are provided in the temporary pond, Aerobic aeration unit and anaerobism sedimentation unit are divided into temporary pond by multiple vertical clapboards；
Preferably, the aerobic aeration unit accounts for the 1/2~2/3 of temporary pond volume, and preferably 2/3；
And/or the anaerobism sedimentation unit accounts for the 1/3~1/2 of temporary pond volume, preferably 1/3.
As further preferred technical solution, each taste removal tank group include at least two be connected in series or be in parallel remove Taste tank；
And/or each bactericidal purifying tank group includes at least two bactericidal purifying tanks for being connected in series or being in parallel；
Preferably, force (forcing) pump is provided between the two neighboring taste removal tank；
Preferably, force (forcing) pump is provided between the two neighboring bactericidal purifying tank.
As further preferred technical solution, sedimentation unit is additionally provided between the aerobic unit and bactericidal purifying unit With clear water unit；
Preferably, the anaerobic unit, aerobic unit, sedimentation unit and clear water unit be the anaerobic pond being sequentially communicated, it is good Oxygen pond, settling tank and clear water reserviors.
As further preferred technical solution, it is provided with rotary shaft in the bleacher, is provided with and stirs in the rotary shaft Mix blade；
And/or incoming air conduit is provided with above the bleacher, blower connection is provided with below the bleacher Pipe；
And/or the bleacher interior lower end is provided with electric heating tube.
As further preferred technical solution, the taste removal tank inner upper end is provided with liquid distributor, the liquid distributor with remove The water inlet line of taste tank connects；
Preferably, the liquid distributor includes spray tube；
Preferably, the grenadine that mesh number is 200~600 mesh, preferably 300~500 mesh are provided in the taste removal tank.
As further preferred technical solution, the bactericidal purifying tank is provided with multiple water outlets, the water outlet setting Top, middle part and/or lower part on the outside of the bactericidal purifying tank.
As further preferred technical solution, the biologic packing material for decoloration includes decoloration filler body and is attached to Microorganism in filler body of decolourizing；
Preferably, the decoloration filler body includes at least one of bentonite, coal dust or coal ash powder；
And/or the biologic packing material for taste removal includes odor-reducing filler ontology and is attached on odor-reducing filler ontology Microorganism；
Preferably, at least one of the odor-reducing filler ontology packet bamboo powder, sawdust powder or bark fines；
And/or the filler for bactericidal purifying includes at least one of diatomite, clay or coal dust.
Compared with prior art, the beneficial effects of the present invention are:
1, dyeing and printing sewage processing system provided by the invention, using be sequentially connected the filter element connect, decoloration unit, taste removal Unit, anaerobic unit, aerobic unit, bactericidal purifying unit handle dyeing waste water, can greatly improve water outlet quality, drop Reduction process cost, processing capacity is strong, will not cause secondary pollution to water body in treatment process；Waste water after processed by the invention The indexs stably reaching standard such as COD, SS, ammonia nitrogen, water outlet is Ke Xunhuanliyong, and treated, and waste water can reach man of industrial reuse land that abounds in rivers and lakes mark The zero-emission of dyeing waste water may be implemented substantially, and then municipal wastewater processing load can be effectively relieved for standard.
2, in processing system of the invention, decoloration unit, taste removal unit and bactericidal purifying unit, above-mentioned each unit are provided with It is middle to have loaded the biologic packing material for decoloration respectively for the biologic packing material of taste removal and for the filler of bactericidal purifying, so not Only there is preferable treatment effect, more effectively complicated component, the dyeing waste water that coloration is big, pollution concentration is high can be taken off Color, taste removal and removal pollutant therein, and secondary pollution can be reduced, sludge discharge is reduced, operating cost, tool are reduced There are preferable environmental benefit and higher economic benefit.
3, processing system simple structure and reasonable design of the present invention, operational management are easy, easy to implement, and processing cost is low, fortune Row is reliable and stable, can save space, reduces occupied area, provides low cost, efficiently to the processing of dyeing waste water Rate, high treating effect, stable solution route, application easy to spread.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is dyeing and printing sewage processing system structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is temporary pool construction schematic diagram provided in an embodiment of the present invention；
Fig. 3 is bleacher structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is taste removal jar structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is anaerobic unit provided in an embodiment of the present invention, aerobic unit, sedimentation unit and the signal of clear water cellular construction Figure；
Fig. 6 is bactericidal purifying jar structure schematic diagram provided in an embodiment of the present invention.
Icon: 1- filter element；2- the first bleacher group；3- the second bleacher group；4- third bleacher group；5- Temporary pond；6- taste removal tank group；7- anaerobic pond；8- aerobic tank；9- settling tank；10- clear water reserviors；11- bactericidal purifying tank group； 12- clear water storage/reuse unit；The first water pump of 13-；The second water pump of 14-；15- third water pump；The first force (forcing) pump of 16-； The second force (forcing) pump of 17-；18- third force (forcing) pump；The 4th force (forcing) pump of 19-；201- rotary shaft；202- stirring blade；203- Incoming air conduit；204- pressure gauge；205- water inlet pipe；206- suction fan connecting tube；207- hot wind connecting tube；208- goes out Water pipe；209- electric heating tube；501- vertical clapboard；The aerobic aeration unit of 502-；503- anaerobism sedimentation unit；504- row Dirty mouth；601- liquid distributor；602- water inlet line；603- grenadine；111- water inlet；112- water outlet.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiments and examples, but this field skill Art personnel will be understood that following embodiments and embodiment are merely to illustrate the present invention, and are not construed as limiting model of the invention It encloses.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts Every other embodiment, shall fall within the protection scope of the present invention.The person that is not specified actual conditions, according to normal conditions or manufacturer builds The condition of view carries out.
According to an aspect of the present invention, a kind of dyeing and printing sewage processing system is provided at least one embodiment, including Sequentially connected filter element, decoloration unit, taste removal unit, anaerobic unit, aerobic unit, bactericidal purifying unit and clear water storage Deposit/reuse unit；
The decoloration unit includes at least two bleacher groups, is provided with temporary pond, institute between two bleacher groups It states and is equipped with oxygen aeration unit and anaerobism sedimentation unit in temporary pond；The biologic packing material for decoloration is provided in the bleacher；
The taste removal unit includes at least one taste removal tank group, is provided in the taste removal tank and fills out for the biology of taste removal Material；
The bactericidal purifying unit includes at least one bactericidal purifying tank group, is provided in the bactericidal purifying tank for killing The filler of bacterium purification.
In view of dyeing waste water there are complicated component, coloration is deep, difficult the features such as, existing printing and dyeing wastewater treatment system is deposited Waste water after treatment is difficult to reach the standard of treated waste water direct reuse, and processing capacity is limited, cost of investment is big, place Manage it is at high cost, be easy to produce the problem of secondary pollution.The invention provides a kind of novel treatment of dyeing wastewater system System reduces investment, processing cost to reach, improves processing capacity, and treated, and waste water meets reuse standard directly to carry out The purpose recycled, and the particular technique means for realizing the purpose are had found, water outlet is greatly improved with these technological means Quality reduces processing cost, improves processing capacity, realizes the indexs stably reaching standards such as COD, SS, the ammonia nitrogen of treated waste water, full Sufficient industrial reuse water national standard, is discharged recyclable technical effect.
Further say, dyeing and printing sewage processing system provided by the invention, using be sequentially connected the filter element connect, decoloration Unit, taste removal unit, anaerobic unit, aerobic unit, bactericidal purifying unit and clear water storage/reuse unit carry out dyeing waste water It handles, has loaded in decoloration unit, taste removal unit and bactericidal purifying unit therein and be used for for the biologic packing material of decoloration respectively The biologic packing material of taste removal and filler for bactericidal purifying, and be also provided in decoloration unit comprising aerobic aeration unit It with the temporary pond of anaerobism sedimentation unit, can preferably decolourize to dyeing and printing sewage, it is difficult to alleviate existing dyeing sewage decoloration The problem of.Mutual restriction and collocation between mutual cooperation, support and connection relationship that the present invention passes through above-mentioned each unit, can The treatment effect of dyeing and printing sewage is greatly improved, it can be more effectively to complicated component, the dyeing waste water that coloration is big, pollution concentration is high It is decolourized, taste removal and removal pollutant therein etc., and secondary pollution can be reduced, reduced sludge discharge, save money Source reduces operating cost, has preferable environmental benefit and higher economic benefit.Meanwhile the Processing System Design rationally, Operational management is easy, easy to implement, and processing cost is low, stable and reliable operation, can save space, reduces occupied area, to printing and dyeing The processing of industry waste water provides a low cost, high efficiency, high treating effect, stable solution route.
The continual and steady processing dyeing waste water of processing system energy of the invention, stablizes the indexs such as COD, SS, total nitrogen, ammonia nitrogen Up to standard, treated, and waste water can reach industrial reuse water national standard, municipal wastewater processing load can be effectively relieved, and can have The existing decoloration of the traditional dyeing waste water of effect alleviation is difficult, total nitrogen is exceeded, treated, and waste water is largely difficult to reach industrial reuse Water national standard, cost of investment are big, take up a large area, the problem that solid waste is difficult, processing cost is high.
It is demonstrated experimentally that above-mentioned dyeing and printing sewage processing system, cost of sewage disposal per ton is than traditional sewage treatmentmethod section 1/3 is saved, the saving of water resource is at least up to 80%, and the production capacity of printing and dyeing mill can be made to improve at least 5 times.Treated, and COD of sewage is dense Degree in 35~50mg/L, ammonia nitrogen concentration in 1.0mg/L hereinafter, total nitrogen concentration in 0.8mg/L hereinafter, total phosphorus concentration is in 0.2mg/L Hereinafter, SS is in concentration in 0.2mg/L or less.
It should be noted that above-mentioned " clear water storage/reuse unit " representative is that the unit can be used as clear water storage list Member can be used as clear water reuse unit, it can uses, can also be stored for printing and dyeing mill's production cycle as reuse clear water unit Or other purposes are used as by other processing.
In a preferred embodiment, the filter element includes filter vat and/or bag filter；
Preferably, the filter element includes the filter vat and bag filter being connected；
Preferably, be provided in the filter vat mesh number be 400~600 mesh stainless steel grenadine, preferably 450~500 Mesh；
Preferably, water pump is provided on the pipeline that the filter element is connected with decoloration unit.
According to the present invention, dyeing and printing sewage to be processed initially enters in filter element, is filtered, and passes through filter element The part large granular impurity that can be removed in sewage, cloth hair, the end of a thread, Soft flocks, cloth waste material etc. are set, subsequent processing list is more convenient The operation of member.
The present invention is not particularly limited the specific structure and form of filter element, as long as not producing to the purpose of the present invention Raw limitation.
Preferably, filter element uses the combination of filter vat, bag filter or filter vat and bag filter；More preferably , filter element is in such a way that filter vat and bag filter are combined.
Further, it is arranged in filter vat in the top of bag filter (alternatively referred to as Bag filter machine), in filter vat Inside stainless steel grenadine is set, the mesh number of grenadine is 400~600 mesh, preferably 450~500 mesh, further preferably 500 Mesh；The lower end of filter vat is taper, and the bottom end of taper is connect by pipeline with bag filter, the water outlet connection of bag filter To decoloration unit.It is provided with water pump on the pipeline that bag filter is connect with decoloration unit, it will be in filter by water pump Water is pumped into decoloration unit.
In a preferred embodiment, the decoloration unit includes 2~4 bleacher groups, preferably includes 3 decolorations Tank group is followed successively by the first bleacher group, the second bleacher group and third bleacher group；
Preferably, the temporary pond is provided between the first bleacher group and the second bleacher group, described second is de- It is connected in parallel or is connected in series between color tank group and third bleacher group；
Preferably, each bleacher group includes at least two bleachers for being connected in series or being in parallel；
Preferably, on the pipeline that the bleacher group is connect with temporary pond, the pipe of two neighboring bleacher group connection Road is provided with water pump and/or force (forcing) pump.
It should be understood that the present invention quantity, the quantity of bleacher of bleacher group are not done it is specifically limited, as long as not Limitation is generated to the purpose of the present invention.Such as the quantity of bleacher group can be 2,3,4,5 or more, each The quantity for the bleacher that bleacher group is included can be 2,3,4 etc..
Preferably, decoloration unit includes 3 bleacher groups, each bleacher group includes 2 bleachers.
Further, temporary pond is set between the first bleacher group and the second bleacher group, the second bleacher group of institute and It is connected in parallel or is connected in series between third bleacher group.It is understood that the present invention is set between the first two bleacher group Temporary pond is set, remaining bleacher group, which can be connected in series, also can be connected in parallel, or can be with when there are more bleacher groups By the way of series connection and combination in parallel；Multistage decoloration can be carried out when series connection, further deepen decolorization effect, and When connection connection can will one group therein as spare, to ensure repairing, overhauling or when filler processing, device can With the operation of continuous-stable, production efficiency is improved.It is preferably used between bleacher in each tank group and each tank group of the invention Be be connected in series mode.And between each tank group, water pump or force (forcing) pump are set between tank group and temporary pond etc., utilize water pump Or force (forcing) pump carries out sewage transport, structure is simple, and rationally, occupied area is small, high-efficient, stable and reliable operation for design.
In a preferred embodiment, multiple vertical clapboards in stagger are provided in the temporary pond, Aerobic aeration unit and anaerobism sedimentation unit are divided into temporary pond by multiple vertical clapboards；
Preferably, the aerobic aeration unit accounts for the 1/2~2/3 of temporary pond volume, and preferably 2/3；
And/or the anaerobism sedimentation unit accounts for the 1/3~1/2 of temporary pond volume, preferably 1/3.
The present invention is provided with a temporary pond between two bleacher groups, is provided with multiple vertical clapboards in temporary pond, Aerobic aeration unit and anaerobism sedimentation unit are divided into temporary pond, in this way, first carrying out into the sewage in temporary pond aerobic thin Bacterium Air Exposure, then Anaerobic Treatment is carried out, it is then settled, is discharged, the organic matter for being easy degradation in sewage can be removed, such as Cellulose etc., can also remove the organic pollutants such as benzene, phenol, reduce the concentration of the oil pollutant in sewage, reduce total nitrogen, The content of ammonia nitrogen etc., the temporary pond are arranged between two groups of bleacher groups the pollutant that can not only remove in sewage, can also increase Strong decolorizing effect.
Optionally, which is provided with sewage draining exit.
Optionally, the vertical clapboard in temporary pond can partially be arranged to the grenadine of 400~600 mesh, such as the net of 500 mesh Yarn.From pond import to export direction, the height of vertical clapboard is successively reduced, and water flow flows to anaerobism sedimentation from aerobic aeration unit Unit.
It should be understood that the present invention is for the quantity of vertical clapboard, aerobic aeration and anaerobism sedimentation unit in temporary pond Volume ratio do not do it is specifically limited, as long as not to the purpose of the present invention generate limitation.Such as it can be set three vertically Partition can be set two, four etc..Preferably, the volume of aerobic aeration unit accounts for 2/3 or so of temporary pond volume, anaerobism The volume of sedimentation unit accounts for 1/3 or so of temporary pond volume, and the treatment effect of dirty water pollutant can be enhanced in this way, and design is closed Reason.
Further, in the preferred embodiment of the present invention, it is single to initially enter filtering to dyeing and printing sewage to be processed Be filtered in member, subsequently into preliminary decolorization is carried out in the first bleacher group, enter back into temporary pond carry out it is aerobic Air Exposure and anaerobism settlement treatment, the water after sedimentation sequentially enter in the second bleacher group and third bleacher group and carry out depth Decolorization, so as to more effectively reduce content of organics, benzene and phenol etc. that degradation is easy in sewage content, with And the content of some greases etc., the color in sewage is more effectively removed, the problem of decolorizing printing and dyeing waste water hardly possible is alleviated.
In a preferred embodiment, each taste removal tank group include at least two be connected in series or be in parallel remove Taste tank；
And/or each bactericidal purifying tank group includes at least two bactericidal purifying tanks for being connected in series or being in parallel；
Preferably, force (forcing) pump is provided between the two neighboring taste removal tank；
Preferably, force (forcing) pump is provided between the two neighboring bactericidal purifying tank.
It is understood that the taste removal tank in taste removal tank group can be connected in parallel and can also be connected in series, likewise, sterilization Bactericidal purifying tank in purification pot can be connected in parallel and can also be connected in series, and preferably be connected in series.For the number of taste removal tank Amount and bactericidal purifying tank quantity do not do it is specifically limited, such as can be two, three, four etc., preferably two.And Force (forcing) pump or other kinds of water-delivery pump are set between each tank.
It needs, the biologic packing material loaded in every group of two taste removal tanks can be the same or different, preferably It is different.Filler in every group of two bactericidal purifying tanks can be the same or different, preferably different.Likewise, every group two The biologic packing material loaded in bleacher can be the same or different, preferably different.
According to the present invention, through bleacher group, treated that waste water has reduced most COD, ammonia nitrogen, total nitrogen, total phosphorus etc. Content, further, bleacher group downstream be arranged taste removal tank group, remove the taste of waste water, can also further decrease COD, Ammonia nitrogen, total nitrogen, total phosphorus equal size are further arranged bactericidal purifying tank group in taste removal tank group downstream, carry out waste water into one The bactericidal purifying of step is handled so that COD, ammonia nitrogen, total nitrogen, the total phosphorus etc. of water outlet reach discharge standard, carry out qualified discharge or into Row reuse.
In a preferred embodiment, sedimentation unit is additionally provided between the aerobic unit and bactericidal purifying unit With clear water unit；
Preferably, the anaerobic unit, aerobic unit, sedimentation unit and clear water unit be the anaerobic pond being sequentially communicated, it is good Oxygen pond, settling tank and clear water reserviors.
According to the present invention, in a preferred embodiment, which includes: that sequentially connected filtering is single Member, decoloration unit, taste removal unit, anaerobic unit, aerobic unit, sedimentation unit, clear water unit, bactericidal purifying unit and clear water storage Deposit/reuse unit.Wherein, anaerobic unit, aerobic unit, sedimentation unit and clear water unit can be respectively anaerobic pond, aerobic tank, Further a big pond can be arranged in anaerobic pond, aerobic tank, settling tank and clear water reserviors by settling tank and clear water reserviors In, multiple partitions or barriers are set in the pond to be divided into anaerobic pond, aerobic tank, settling tank and clear water reserviors.
Optionally, the volume of anaerobic pond and the volume of aerobic tank are greater than the volume of settling tank and clear water reserviors.Such as anaerobic pond Volume and the volume of aerobic tank can be 1.5~4 times, preferably 2~3 times of settling tank and clear water reserviors volume.
Optionally, the spaced apart filtering sponge of multiple groups, web plate or sponge filler are set in anaerobic pond；
And/or the spaced apart filtering sponge of multiple groups, web plate or sponge filler are set in aerobic tank.
It is understood that the specific structure of anaerobic pond and aerobic tank of the invention does not do specifically limited, ability can be used The common structure type in domain, such as some sponge foams are installed in anaerobic pond and aerobic tank.
In the preferred embodiment of the present invention, dyeing and printing sewage to be processed is initially entered in filter element and was carried out Filter, subsequently into preliminary decolorization is carried out in the first bleacher group, enter back into temporary pond carry out aerobic Air Exposure and Anaerobism settlement treatment, the water after sedimentation sequentially enter at the decoloration for carrying out depth in the second bleacher group and third bleacher group Reason；Sewage after decolorization, which enters in taste removal tank group, to carry out taste removal processing and further decreases the COD concentration in sewage, ammonia Nitrogen concentration and SS concentration etc.；Through taste removal, treated that sewage enters anaerobic pond, aerobic tank, settling tank and clear water reserviors, clear water reserviors Water outlet, which enters, carries out bactericidal purifying processing in bactericidal purifying group, and further decreases the COD concentration in sewage, ammonia nitrogen concentration, SS Concentration, total nitrogen concentration and total phosphorus concentration etc., so that water outlet reaches industrial reuse water national standard.
In a preferred embodiment, it is provided with rotary shaft in the bleacher, is provided with and stirs in the rotary shaft Mix blade；
And/or incoming air conduit is provided with above the bleacher, blower connection is provided with below the bleacher Pipe；
And/or the bleacher interior lower end is provided with electric heating tube.
In a preferred embodiment, the taste removal tank inner upper end is provided with liquid distributor, the liquid distributor with remove The water inlet line of taste tank connects；
Preferably, the liquid distributor includes spray tube；
Preferably, the grenadine that mesh number is 200~600 mesh, preferably 300~500 mesh are provided in the taste removal tank.
In a preferred embodiment, the bactericidal purifying tank is provided with multiple water outlets, the water outlet setting Top, middle part and/or lower part on the outside of the bactericidal purifying tank.
It should be noted that the present invention does not do special limit for the specific structure of bleacher, taste removal tank and bactericidal purifying tank System, as long as not generating limitation to the purpose of the present invention.Preferably, the structure of bleacher, taste removal tank and bactericidal purifying tank is each It is not identical.
Further, bleacher is provided with stirring and heating element, and bleacher is also connected with incoming air conduit and connects with blower Pipe, fan connecting tube includes suction fan connecting tube and hot gas blast pipe (alternatively referred to as hot wind connecting tube).The mesh being arranged in this way , when clearing up bleacher, since the cleaning cycle of bleacher is shorter, by the life in bleacher by way of heating Microorganism in object filler is removed, and facilitates operation, and treatment effeciency is high, effect is good, improves production efficiency.
Taste removal tank is provided with liquid distributor and grenadine, and the upper end of tank interior is arranged in liquid distributor, and connect with water inlet line, It can make sewage is uniform and stable to enter to inside taste removal tank；The specific constructive form of liquid distributor is not done it is specifically limited, can Using the structure type of liquid distributor commonly used in the art.In the inside of taste removal tank, the lower section setting biologic packing material of liquid distributor and net Yarn, the mesh number of grenadine are the grenadine of 200~600 mesh, preferably 300~500 mesh, further preferably 400 mesh.
Common cylindrical tank structure can be used in bactericidal purifying tank, can be set outside tank body several outlet pipelines or Water outlet, to increase water outlet efficiency.
In a preferred embodiment, the biologic packing material for decoloration includes decoloration filler body and is attached to Microorganism in filler body of decolourizing；
Preferably, the decoloration filler body includes at least one of bentonite, coal dust or coal ash powder；
And/or the biologic packing material for taste removal includes odor-reducing filler ontology and is attached on odor-reducing filler ontology Microorganism；
Preferably, at least one of the odor-reducing filler ontology packet bamboo powder, sawdust powder or bark fines；
And/or the filler for bactericidal purifying includes at least one of diatomite, clay or coal dust.
It should be noted that the present invention for for decoloration biologic packing material, for the biologic packing material of taste removal and for killing Bacterium purification filler concrete type do not do it is specifically limited, as long as not to the purpose of the present invention generate limitation.For attachment Microorganism in filler body is not cooked specifically limited yet, and various microbe stuffings commonly used in the art can be used, such as various use In decoloration or bacterium, the fungi of taste removal etc., concrete type is that those skilled in the art can learn, the present invention is herein not It is described in detail again.
Preferably, decoloration filler body includes one of bentonite, coal dust or coal ash powder etc. or a variety of；Wherein, coal dust Granularity with coal ash powder is in 1.5mm or less.One of odor-reducing filler ontology packet bamboo powder, sawdust powder or bark fines etc. are more Kind, it is preferred to use be various trees or bamboo sawdust.Filler for bactericidal purifying includes in diatomite, clay or coal dust It is one or more, it is preferred to use diatomite, the granularity of coal dust is in 1.5mm or less.
It should be understood that the content being not described in detail in the explanation of above-mentioned processing system, is those skilled in the art Commonly used equipment, structure or the substance being readily apparent that, therefore can be omitted detailed description thereof.
Combined with specific embodiments below and attached drawing, the invention will be further described.
Embodiment 1
As shown in figs 1 to 6, a kind of dyeing and printing sewage processing system, including sequentially connected filter element 1, decoloration unit, Taste removal unit, anaerobic unit, aerobic unit, sedimentation unit, clear water unit, bactericidal purifying unit and clear water storage/reuse unit 12。
Wherein, filter element 1 includes the filter vat and bag filter being connected, and bag filter is arranged in filter vat Stainless steel grenadine is arranged in the inside of filter vat in top, and the mesh number of grenadine is 400~600 mesh, such as can be 500 mesh, filtering The lower end of bucket is taper, and the bottom end of taper is connect by pipeline with bag filter, and the water outlet of bag filter is connected to decoloration Unit.It is provided with the first water pump 13 on the pipeline that bag filter is connect with decoloration unit, it will filtering by the first water pump 13 Water in device is pumped into decoloration unit.
Decoloration unit includes three bleacher groups, is followed successively by the first bleacher group 2, the second bleacher group 3 and third decoloration Tank group 4 is provided with temporary pond 5, the second bleacher group 3 and third bleacher between first bleacher group 2 and the second bleacher group 3 It is connected in series between group 4；Each bleacher group includes two bleachers.On the pipeline that temporary pond 5 is connect with the second bleacher group 3 It is provided with the second water pump 14, the first force (forcing) pump 16 is provided on the pipeline that the second bleacher group 3 is connect with third bleacher group 4, The second force (forcing) pump 17 is provided on the pipeline that third bleacher group 4 is connect with taste removal tank group 6.
Referring to Fig. 2, multiple vertical clapboards 501 in stagger, multiple vertical clapboards 501 are provided in temporary pond 5 Aerobic aeration unit 502 and anaerobism sedimentation unit 503 are divided into temporary pond 5；Wherein, aerobic aeration unit 502 accounts for temporary pond 5 2/3 or so of volume, anaerobism sedimentation unit 503 account for 1/3 or so of temporary 5 volume of pond.Temporary pond 5 is provided with sewage draining exit 504.Temporarily Vertical clapboard 501 in pond 5 can partially be arranged to the grenadine of 400~600 mesh, such as the grenadine of 500 mesh.From temporary pond 5 Import to export direction, the height of vertical clapboard 501 successively reduces, and water flow flows to anaerobism sedimentation list from aerobic aeration unit 502 Member 503.
Referring to Fig. 3, it is provided with rotary shaft 201 in bleacher, stirring blade 202 is provided in rotary shaft 201；Bleacher Top is provided with incoming air conduit 203, and incoming air conduit 203 is connect with pressure gauge 204；Water inlet pipe is additionally provided with above bleacher 205, water inlet pipe 205 is connect with suction fan connecting tube 206；Hot wind connecting tube 207, hot wind connection are provided with below bleacher Pipe 207 is connect with outlet pipe 208；Bleacher interior lower end is provided with electric heating tube 209.
Taste removal unit includes at least one taste removal tank group 6, and each taste removal tank group 6 includes two taste removal tanks being connected in series；Phase Third force (forcing) pump 18 is provided between adjacent two taste removal tanks.
Referring to Fig. 4, taste removal tank inner upper end is provided with liquid distributor 601, the water inlet line 602 of liquid distributor 601 and taste removal tank Connection；Liquid distributor 601 includes spray tube；The grenadine 603 that mesh number is 200~600 mesh, such as 400 purposes are provided in taste removal tank Grenadine 603.
Referring to Fig. 5, anaerobic unit, aerobic unit, sedimentation unit and clear water unit be the anaerobic pond 7 being sequentially communicated, aerobic Pond 8, settling tank 9 and clear water reserviors 10.The volume of anaerobic pond 7 and aerobic tank 8 is greater than the volume of settling tank 9 and clear water reserviors 10.Clear water Third water pump 15 is provided on the pipeline that pond 10 is connect with bactericidal purifying tank group 11.
Bactericidal purifying unit includes at least one bactericidal purifying tank group 11, and each bactericidal purifying tank group 11 includes two and mutually goes here and there The bactericidal purifying tank of connection；The 4th force (forcing) pump 19 is provided between two neighboring bactericidal purifying tank.
Referring to Fig. 6, water inlet 111 is set in the upper end of bactericidal purifying tank, can be set in the side of bactericidal purifying tank more A water outlet 112.
In the present embodiment, filling is used for the biologic packing material of decoloration, uses respectively in bleacher, taste removal tank and bactericidal purifying tank Biologic packing material in taste removal and the filler for bactericidal purifying.
Application examples
Above-mentioned dyeing and printing sewage processing system is applied in the large-scale printing and dyeing mill's printing and dyeing workshop in Foshan, which generates Dyeing and printing sewage raw water, and the results are shown in Table 1 for the water quality water quality detection through processing system of the invention treated sewage.
The water quality detection result before and after the processing of table 1
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1.一种印染污水处理系统，其特征在于，包括依次连接的过滤单元、脱色单元、除味单元、厌氧单元、好氧单元、杀菌净化单元和清水贮存/回用单元；1. a printing and dyeing sewage treatment system, is characterized in that, comprises filter unit, decolorization unit, deodorization unit, anaerobic unit, aerobic unit, sterilization purification unit and clear water storage/reuse unit connected successively; 所述脱色单元包括至少两个脱色罐组，两个所述脱色罐组之间设置有暂水池，所述暂水池内设有氧曝气单元和厌氧沉降单元；所述脱色罐组内设置有用于脱色的生物填料；The decolorization unit includes at least two decolorization tank groups, a temporary water pool is arranged between the two decolorization tank groups, and an oxygen aeration unit and an anaerobic sedimentation unit are arranged in the temporary water tank; the decolorization tank group is provided with There are biological fillers for decolorization; 所述除味单元包括至少一个除味罐组，所述除味罐组内设置有用于除味的生物填料；The deodorization unit includes at least one deodorization tank group, and the deodorization tank group is provided with biological filler for deodorization; 所述杀菌净化单元包括至少一个杀菌净化罐组，所述杀菌净化罐组内设置有用于杀菌净化的填料。The sterilization and purification unit includes at least one sterilization and purification tank group, and a filler for sterilization and purification is arranged in the sterilization and purification tank group. 2.根据权利要求1所述的印染污水处理系统，其特征在于，所述过滤单元包括过滤桶和/或袋式过滤器；2. The printing and dyeing sewage treatment system according to claim 1, wherein the filter unit comprises a filter barrel and/or a bag filter; 优选地，所述过滤单元包括相连通的过滤桶和袋式过滤器；Preferably, the filter unit includes a filter barrel and a bag filter that are communicated with each other; 优选地，所述过滤桶内设置有目数为400～600目的不锈钢网纱，优选为450～500目；Preferably, the filter barrel is provided with stainless steel mesh with a mesh number of 400-600 mesh, preferably 450-500 mesh; 优选地，所述过滤单元和脱色单元连接的管路上设置有水泵。Preferably, a water pump is provided on the pipeline connecting the filter unit and the decolorization unit. 3.根据权利要求1所述的印染污水处理系统，其特征在于，所述脱色单元包括2～4个脱色罐组，优选包括3个脱色罐组，依次为第一脱色罐组、第二脱色罐组和第三脱色罐组；3. The printing and dyeing sewage treatment system according to claim 1, wherein the decolorization unit comprises 2 to 4 decolorization tank groups, preferably 3 decolorization tank groups, which are the first decolorization tank group and the second decolorization tank group in sequence. Tank group and third decolorization tank group; 优选地，所述第一脱色罐组和第二脱色罐组之间设置有所述暂水池，所述第二脱色罐组和第三脱色罐组之间并联连接或串联连接；Preferably, the temporary pool is provided between the first decolorization tank group and the second decolorization tank group, and the second decolorization tank group and the third decolorization tank group are connected in parallel or in series; 优选地，每个所述脱色罐组包括至少两个相串联或相并联的脱色罐；Preferably, each of the decolorizing tank groups includes at least two decolorizing tanks connected in series or in parallel; 优选地，所述脱色罐组与暂水池连接的管路上、相邻两个所述脱色罐组连接的管路上设置有水泵和/或加压泵。Preferably, a water pump and/or a pressurizing pump are provided on the pipeline connecting the decolorizing tank group with the temporary water tank, and on the pipeline connecting two adjacent decolorizing tank groups. 4.根据权利要求1所述的印染污水处理系统，其特征在于，所述暂水池内设置有呈阶梯式布置的多个竖直隔板，多个竖直隔板将暂水池区分为有氧曝气单元和厌氧沉降单元；4 . The printing and dyeing sewage treatment system according to claim 1 , wherein a plurality of vertical partitions arranged in a stepped arrangement are arranged in the temporary pool, and the plurality of vertical partitions divide the temporary pool into aerobic Aeration unit and anaerobic settling unit; 优选地，所述有氧曝气单元占暂水池体积的1/2～2/3，优选为2/3；Preferably, the aerobic aeration unit accounts for 1/2 to 2/3 of the volume of the temporary pool, preferably 2/3; 和/或，所述厌氧沉降单元占暂水池体积的1/3～1/2，优选为1/3。And/or, the anaerobic sedimentation unit accounts for 1/3 to 1/2 of the volume of the temporary water tank, preferably 1/3. 5.根据权利要求1所述的印染污水处理系统，其特征在于，每个所述除味罐组包括至少两个相串联或相并联的除味罐；5. The printing and dyeing sewage treatment system according to claim 1, wherein each of the deodorizing tank groups comprises at least two deodorizing tanks in series or in parallel; 和/或，每个所述杀菌净化罐组包括至少两个相串联或相并联的杀菌净化罐；And/or, each of the sterilization and purification tank groups includes at least two sterilization and purification tanks in series or in parallel; 优选地，相邻两个所述除味罐之间设置有加压泵；Preferably, a pressurized pump is arranged between two adjacent deodorant tanks; 优选地，相邻两个所述杀菌净化罐之间设置有加压泵。Preferably, a pressurizing pump is arranged between two adjacent sterilization and purification tanks. 6.根据权利要求1所述的印染污水处理系统，其特征在于，所述好氧单元与杀菌净化单元之间还设置有沉降单元和清水单元；6. The printing and dyeing sewage treatment system according to claim 1, wherein a sedimentation unit and a clean water unit are also provided between the aerobic unit and the sterilization and purification unit; 优选地，所述厌氧单元、好氧单元、沉降单元和清水单元为依次连通的厌氧池、好氧池、沉降池和清水池。Preferably, the anaerobic unit, the aerobic unit, the sedimentation unit and the clean water unit are an anaerobic tank, an aerobic tank, a sedimentation tank and a clean water tank which are connected in sequence. 7.根据权利要求1～6任一项所述的印染污水处理系统，其特征在于，脱色罐内设置有旋转轴，所述旋转轴上设置有搅拌叶片；7. The printing and dyeing sewage treatment system according to any one of claims 1 to 6, wherein a rotating shaft is arranged in the decolorizing tank, and a stirring blade is arranged on the rotating shaft; 和/或，脱色罐的上方设置有进空气管，脱色罐的下方设置有风机连接管；And/or, an air inlet pipe is arranged above the decolorization tank, and a fan connection pipe is arranged below the decolorization tank; 和/或，脱色罐内部下端设置有电加热管。And/or, an electric heating tube is arranged inside the lower end of the decolorizing tank. 8.根据权利要求1～6任一项所述的印染污水处理系统，其特征在于，除味罐内部上端设置有布液器，所述布液器与除味罐的进水管道连接；8. The printing and dyeing sewage treatment system according to any one of claims 1 to 6, wherein a liquid distributor is arranged on the inner upper end of the deodorization tank, and the liquid distributor is connected to the water inlet pipe of the deodorization tank; 优选地，所述布液器包括喷淋管；Preferably, the liquid distributor includes a spray pipe; 优选地，除味罐内设置有目数为200～600目的网纱，优选为300～500目。Preferably, the deodorant tank is provided with a mesh of 200-600 mesh, preferably 300-500 mesh. 9.根据权利要求1～6任一项所述的印染污水处理系统，其特征在于，杀菌净化罐设置有多个出水口，所述出水口设置在杀菌净化罐外侧的上部、中部和/或下部。9. The printing and dyeing sewage treatment system according to any one of claims 1 to 6, wherein the sterilization and purification tank is provided with a plurality of water outlets, and the water outlets are arranged on the upper part, the middle part and/or the outer side of the sterilization and purification tank. lower part. 10.根据权利要求1～6任一项所述的印染污水处理系统，其特征在于，所述用于脱色的生物填料包括脱色填料本体和附着在脱色填料本体上的微生物；10. The printing and dyeing sewage treatment system according to any one of claims 1 to 6, wherein the biological filler for decolorization comprises a decolorization filler body and microorganisms attached to the decolorization filler body; 优选地，所述脱色填料本体包括膨润土、煤粉或煤灰粉中的至少一种；Preferably, the decolorizing filler body comprises at least one of bentonite, coal powder or coal ash powder; 和/或，所述用于除味的生物填料包括除味填料本体和附着在除味填料本体上的微生物；And/or, the biological filler for deodorizing includes a deodorizing filler body and a microorganism attached to the deodorizing filler body; 优选地，所述除味填料本体包竹屑粉、锯末粉或树皮粉末中的至少一种；Preferably, the deodorant filler body is packaged with at least one of bamboo dust powder, sawdust powder or bark powder; 和/或，所述用于杀菌净化的填料包括硅藻土、粘土或煤粉中的至少一种。And/or, the filler for sterilization and purification includes at least one of diatomaceous earth, clay or coal powder.
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