CN105565601A - Diverse printing and dyeing wastewater processing system - Google Patents
Diverse printing and dyeing wastewater processing system Download PDFInfo
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- CN105565601A CN105565601A CN201610011183.6A CN201610011183A CN105565601A CN 105565601 A CN105565601 A CN 105565601A CN 201610011183 A CN201610011183 A CN 201610011183A CN 105565601 A CN105565601 A CN 105565601A
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/5281—Installations for water purification using chemical 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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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
- C02F3/02—Aerobic processes
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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
- C02F3/28—Anaerobic digestion processes
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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
- C02F7/00—Aeration of stretches of water
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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)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a diverse printing and dyeing wastewater processing system. The system comprises the following units, which are connected in sequence: an aeration adjusting tank, a first air floatation tank, an agent adding tank, a primary settling tank, an alkali adjusting tank, a hydrolysis tank, a biochemical tank, a final settling tank, and a water reusing and discharging tank and also comprises a secondary settling tank, a cracking reactor, and a second air floatation tank, wherein the biochemical tank is connected to the secondary settling tank, the secondary settling tank is connected to the cracking reactor, the cracking reactor is connected to the second air floatation tank, and the second air floatation tank is connected to the final settling tank. The provided system has the advantages that the final wastewater is little, most wastewater and sludge can be recovered, the discharge is reduced, and the energy is saved.
Description
Technical field
The present invention relates to a kind of Waste Water Treatment, particularly relate to a species diversity printing and dyeing wastewater treatment system.
Background technology
Dyeing waste water refers to cotton, hair, the natural fibers such as chemical fibre and chemical fibre textile product are in drift refining, dyeing, the waste water produced in stamp and arrangement process, dyeing is industrial wastewater discharge rich and influential family, it is large that dyeing waste water has the water yield, organic pollutant content is high, colourity is dark, alkalescence is large, the features such as change of water quality, belong to unmanageable trade effluent, the dyestuff of printing and dyeing industry owing to using, auxiliary agent is different, the dyeing waste water of each factory discharge is mainly dyeing waste-water and washes and part alkali decrement waste water, it is typical dyeing waste water advanced treatment project, its Central Plains water COD is about 2000mg/L, BOD is about 500mg/L, B/C about 0.25.Rule of thumb analyze, COD composition is wherein mainly dye molecule and middle high molecular chemical fibre slurry, because this type of molecular weight of material is higher, cannot be removed by biochemical mode, so cause this waste water B/C lower, belongs to the dyeing waste water of more difficult biochemistry.Therefore a kind of Waste Water Treatment that can process this kind of composition diversity dyeing waste water is badly in need of.
Summary of the invention
The invention provides a species diversity printing and dyeing wastewater treatment system, solve above-mentioned Problems existing.
The present invention is realized by following technical scheme:
One species diversity printing and dyeing wastewater treatment system, comprise connect successively aerating regulation pond, the first air flotation pool, dosing pond, preliminary sedimentation tank, alkali tune pond, hydrolytic tank, biochemistry pool, final deposition pool and reuse discharge pond, it is characterized in that, also comprise second pond, cracking reactor and the second air flotation pool, described biochemistry pool connects second pond, second pond connects cracking reactor, and cracking reactor connects the second air flotation pool, and the second air flotation pool connects final deposition pool.
An above-mentioned species diversity printing and dyeing wastewater treatment system, is characterized in that, described first air flotation pool and dosing pond include the chemicals feeder for adding medicament; Described alkali tune pond includes and adds alkali machine for what add alkali lye, pipeline between described cracking reactor and the second air flotation pool is also provided with and adds alkali machine for what add alkali lye, the acid adding machine for adding acid solution is provided with between described cracking reactor and second pond, described cracking reactor comprises the catalytic machine for adding catalyzer and the acid adding machine for adding acid solution, and described second air flotation pool includes the PAM adding machine for adding polyacrylamide.
An above-mentioned species diversity printing and dyeing wastewater treatment system, it is characterized in that, also comprise cracking gas blower, biochemistry pool gas blower and hydrolytic tank gas blower, described cracking gas blower connects cracking reactor, described biochemistry pool gas blower connects biochemistry pool, and described hydrolytic tank gas blower connects aerating regulation pond and hydrolytic tank respectively.
An above-mentioned species diversity printing and dyeing wastewater treatment system, is characterized in that, also comprise sludge sump and pressure mud machine, described first air flotation pool, preliminary sedimentation tank, second pond are all connected sludge sump with the sewage draining exit of the second air flotation pool, and described sludge sump connects pressure mud machine.
An above-mentioned species diversity printing and dyeing wastewater treatment system, is characterized in that, also comprise sandfiltration pot, and the sewage draining exit in described reuse discharge pond connects sandfiltration pot.
Beneficial effect of the present invention is: have employed after native system processes dyeing and printing sewage, the final waste water not only produced is few, and can carry out recycling for most waste water and mud, reaches the effect of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Referring to Fig. 1, one species diversity printing and dyeing wastewater treatment system, comprise connect successively aerating regulation pond 110, first air flotation pool 120, dosing pond 130, preliminary sedimentation tank 140, alkali tune pond 150, hydrolytic tank 160, biochemistry pool 170, final deposition pool 180 and reuse discharge pond 190, also comprise second pond 210, cracking reactor 220 and the second air flotation pool 230, biochemistry pool 170 connects second pond 210, second pond 210 connects cracking reactor 220, cracking reactor 220 connects the second air flotation pool 230, second air flotation pool 230 and connects final deposition pool 180.
First air flotation pool 120 and dosing pond 130 include the chemicals feeder 121 for adding medicament; Alkali tune pond 150 includes and adds alkali machine 151 for what add alkali lye, pipeline between cracking reactor 220 and the second air flotation pool 230 is also provided with and adds alkali machine 231 for what add alkali lye, the acid adding machine 221 for adding acid solution is provided with between cracking reactor 220 and second pond 210, cracking reactor 220 comprises the catalytic machine 223 for adding catalyzer and acid adding machine 222, second air flotation pool 230 for adding acid solution and includes PAM adding machine 232 for adding polyacrylamide.
Also comprise cracking gas blower 310, biochemistry pool gas blower 320 and hydrolytic tank gas blower 330, cracking gas blower 310 connects cracking reactor 220, biochemistry pool gas blower 320 connects biochemistry pool 170, and hydrolytic tank gas blower 330 connects aerating regulation pond 110 and hydrolytic tank 160 respectively.
Also comprise sludge sump 410 and press mud machine 420, first air flotation pool 120, preliminary sedimentation tank 140, second pond 210 to be all connected sludge sump 410 with the sewage draining exit of the second air flotation pool 230, sludge sump 410 connects pressure mud machine 420.
Also comprise sandfiltration pot 500, the sewage draining exit in reuse discharge pond 190 connects sandfiltration pot 500.
And wherein, first air flotation pool 120 and the second air flotation pool 230 adopt air-flotation process method to carry out air-flotation process, air-flotation process method is exactly logical people's air in waste water, and separate out from water with micro-bubble form and become carrier, the pollution substances such as the oil in water emulsion in waste water, small suspended particle are made to stick on bubble, float to the water surface with bubble, form foam one gas, water, particle (oil) three-phase mixture, the object reaching separating impurity by collection foam or scum silica frost, purify liquid waste.Flotation process be mainly used to process in waste water by natural subsidence or floating be difficult to the oil in water emulsion removed or relative density close to 1 small suspended particle.
Because the precipitator method in water-purifying process are continued to use for many years, people select By Bubble-floating Method naturally will compare with the precipitator method.In fact, two kinds of methods differ from one another, and its technical economical analysis is as follows:
Should dissolved air flotation be adopted for light easily floating impurity; The precipitator method should be adopted for closely knit heavy impurity.Usually the flco by being formed after dispensing, hybrid reaction, when ascent rate is faster than precipitation, then selects By Bubble-floating Method as well.Because By Bubble-floating Method floor space little (being only 1/8 1 1/2 of the precipitator method), pool volume is little (being only the 1/8-1/4 of the precipitator method) also, after process, effluent quality is good, not only turbidity and SS is low but also dissolved oxygen is high, the mud that the scum silica frost water ratio of discharge is discharged well below the precipitator method.General sludge volume is than being 1/10-1/2, and this had both brought larger convenience to the further treatment and disposal of mud, again saved expense.Some waste water, simultaneously containing the impurity that can sink, can float, is used alone air supporting or sedimentation effect is all undesirable.Now precipitation can be combined with air supporting, play respective advantage, not only can improve treatment effect, and reduce investment outlay and working cost.
Production practice show, air flotation pool not only except look, go turbid on be better than settling tank, and all show extremely unique advantage reducing the COD of polluted water, xylogen and extract in oxygen etc., its cost is also low than horizontal sedimentation tank, tube settler, waterpower or mechanical accelerating purifying pool, and its working cost is also lower slightly.
What hydrolytic tank 160 adopted is that hydrolysis acidification method is hydrolyzed, and hydrolysis acidification method is a kind of method between aerobic and anaerobic treatment method, and other process combination can reduce processing cost and improves processing efficiency.Acidication technique is different from the hydrolysis acid-producing bacteria speed of growth according to methanogen, anaerobic treatment is controlled in shorter anaerobic treatment first and second stage in reaction times, namely be dissolved organic matter by insoluble hydrolysis of organic matter under a large amount of hydrolytic bacteria, the effect of acidifying bacterium, the macromolecular substance of difficult for biological degradation is converted into the process of the small-molecule substance of readily biodegradable, thus improve the biodegradability of waste water, for subsequent disposal establishes good basis.
Hydrolysis refer to organism enter microorganism cells before, the biochemical reaction that carries out outside born of the same parents.Microorganism completes biocatalytic reaction by the release outer free enzyme of born of the same parents or the immobilized enzyme be connected on mantle.
Acidifying is the fermenting process of a quasi-representative, the meta-bolites mainly various organic acid of microorganism.
From mechanism, hydrolysis and acidifying are two stages of anaerobic digestion process, but the processing intent of different technique acidications is different.Hydrolysis object in acidication-aerobic biological treatment process mainly changes the non-solubility organism in original waste water into dissolved organic matter, particularly trade effluent, mainly the organism of wherein difficult for biological degradation is changed into the organism of readily biodegradable, improve the biodegradability of waste water, be beneficial to follow-up aerobic treatment.Consider the energy consumption problem of follow-up aerobic treatment, hydrolysis is mainly used in the pre-treatment of lower concentration used water difficult to degradate.
The ultimate principle of cracking reactor 220 is: based on the band theory of N-type semiconductor, makes a kind of sensitization oxidation style of sensitizing agent with N-type semiconductor.When sensitizing agent energy is greater than energy gap, electronics is excited, and forbidden band of jumping over enters conduction band, then in valence band, produce corresponding electron-hole, thus initiation reaction.Catalytic oxidation in the aqueous solution, at the electronics mainly water molecules that semiconductor surface loses, water molecules produces the extremely strong hydroxyl radical free radical OH of oxidation capacity after a series of change, is oxidized various organism, and to make it mineralising be CO
2
Cracking process general dynamics equation describes:
R---speed of reaction;
Ce---reactant concn; K---apparent adsorption equilibrium constant;
H---betide the reaction-rate constant of sensitizing agent surfactivity position.
If add H
2o
2, KBrO
3deng strong oxidizer, electron-hole compound can be suppressed, can oxidation rate be improved.Your genus highly active or metal oxide are supported to specific catalyst surface, as Ag, Au, Pt, Pd etc., the electronics in semiconductor tape can be eliminated, be conducive to excitation electron and externally move, effectively prevent electron-hole simple composite, Pt/TiO
2catalyzed degradation organism speed 4.5 ~ 6 times can be improved, pt is downloaded to TiO
2the activity of degraded dichlorobenzene improves 30%, but the carrying capacity such as Pt, Pd are too much, then may serve as the deathnium of electron-hole, reduces TiO
2catalytic, both there were certain metal or the best carrying capacity of metal oxide in often kind of semiconductor catalyst face.
Catalyzed oxidation take N-type semiconductor as catalyzer, various catalyst activity order: TiO
2>ZnO>WO
3.TiO
2be conventional catalyzer, mainly contain anatase titanium dioxide and rutile-type crystal formation.TiO
2chemical property, photochemistry property is very stable, nontoxic inexpensive, ample supply and prompt delivery.TiO
2be a kind of conductor oxidate, it has and is full of the valence band of electronics and the conduction band of electron deficiency, and the hole that energy level excited state valence band stays is oxidizing, and the electronics tool reductibility on conduction band, degradation product is at TiO
2surface occurs after redox, and valence band is got back electronics, electronics generation transition in valence band, therefore by used TiO
2by reduction, reuse, do not affect its catalysis domestic animal alive.At present we when many printing and dyeing enterprises carry out production application achieve good effect, water outlet COD Absorbable organic halogens is at about 30mg/L
The feature of cracking reactor 220
1: treatment system has larger handiness, to adapt to the change of waste water quality, the water yield
2: management and maintenance is convenient, avoid producing secondary pollution.
3: level of automation is high, VXI system bus control simulations.
4: floor space is little.
5: mud generation is little.
6: non-secondary pollution, after wastewater treatment, water quality is as clear as crystal, COD
cr, BOD
5average index is low.
The workflow in water route under working order:
Workshop Production waste water enters aerating regulation pond 110, is promoted to the first air flotation pool 120 through pump.First air flotation pool 120 water outlet drains into dosing pond 130 and preliminary sedimentation tank 140, and supernatants after precipitation enters alkali tune pond 150, then squeezes into hydrolytic tank 160 by pump, is improved the biodegradability of waste water by acidication effect.Acidication water outlet enters biochemistry pool 170, and biochemistry pool 170 water outlet enters second pond 210, and sludge reflux is to biochemistry pool 170 after precipitation for second pond 210, and supernatant liquor enters cracking reactor 220.Cracking reactor 220 water outlet enters the second air flotation pool 230, second air flotation pool 230 water outlet and enters final deposition pool 180, and the water in reuse discharge pond 190 can be extracted from final deposition pool 180 by pump, and all the other drain into discharge outlet qualified discharge.
The workflow of road:
The mud of the first air flotation pool 120, second air flotation pool 230, preliminary sedimentation tank 140 and second pond 210 drains into sludge sump 410 respectively, then carries out processed (utilizing pressure mud room) with pumping into pressure mud machine 420.
Gas circuit explanation
The air feed of cracking reactor 220 is provided by cracking gas blower 310, and the air feed of biochemistry pool 170 is provided by biochemistry pool gas blower 320, and the air feed of hydrolytic tank 160 and adjustment aeration tank 110 is provided by hydrolytic tank gas blower 330.
Beneficial effect of the present invention is: have employed after native system processes dyeing and printing sewage, the final waste water not only produced is few, and can carry out recycling for most waste water and mud, reaches the effect of energy-saving and emission-reduction.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification sheets; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (5)
1. a species diversity printing and dyeing wastewater treatment system, comprise connect successively aerating regulation pond, the first air flotation pool, dosing pond, preliminary sedimentation tank, alkali tune pond, hydrolytic tank, biochemistry pool, final deposition pool and reuse discharge pond, it is characterized in that, also comprise second pond, cracking reactor and the second air flotation pool, described biochemistry pool connects second pond, second pond connects cracking reactor, and cracking reactor connects the second air flotation pool, and the second air flotation pool connects final deposition pool.
2. a species diversity printing and dyeing wastewater treatment system as claimed in claim 1, is characterized in that, described first air flotation pool and dosing pond include the chemicals feeder for adding medicament; Described alkali tune pond includes and adds alkali machine for what add alkali lye, pipeline between described cracking reactor and the second air flotation pool is also provided with and adds alkali machine for what add alkali lye, the acid adding machine for adding acid solution is provided with between described cracking reactor and second pond, described cracking reactor comprises the catalytic machine for adding catalyzer and the acid adding machine for adding acid solution, and described second air flotation pool includes the PAM adding machine for adding polyacrylamide.
3. a species diversity printing and dyeing wastewater treatment system as claimed in claim 1 or 2, it is characterized in that, also comprise cracking gas blower, biochemistry pool gas blower and hydrolytic tank gas blower, described cracking gas blower connects cracking reactor, described biochemistry pool gas blower connects biochemistry pool, and described hydrolytic tank gas blower connects aerating regulation pond and hydrolytic tank respectively.
4. a species diversity printing and dyeing wastewater treatment system as claimed in claim 3, it is characterized in that, also comprise sludge sump and pressure mud machine, described first air flotation pool, preliminary sedimentation tank, second pond are all connected sludge sump with the sewage draining exit of the second air flotation pool, and described sludge sump connects pressure mud machine.
5. a species diversity printing and dyeing wastewater treatment system as claimed in claim 4, is characterized in that, also comprise sandfiltration pot, and the sewage draining exit in described reuse discharge pond connects sandfiltration pot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610011183.6A CN105565601A (en) | 2016-01-07 | 2016-01-07 | Diverse printing and dyeing wastewater processing system |
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|---|---|---|---|
| CN201610011183.6A CN105565601A (en) | 2016-01-07 | 2016-01-07 | Diverse printing and dyeing wastewater processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275842A (en) * | 2018-02-26 | 2018-07-13 | 张家港普坤毛纺织染有限公司 | A kind of dyeing and printing sewage water treatment device and its processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145965A (en) * | 2011-04-18 | 2011-08-10 | 李斌 | Textile dyeing wastewater advanced treatment recycling technology |
| CN104355478A (en) * | 2014-10-14 | 2015-02-18 | 浙江钱江纺织印染有限公司 | Printing and dyeing sewage treatment system |
| CN205313328U (en) * | 2016-01-07 | 2016-06-15 | 嘉兴瑞奕环保科技有限公司 | Variety printing and dyeing wastewater's wind path processing system |
| CN205368044U (en) * | 2016-01-07 | 2016-07-06 | 嘉兴瑞奕环保科技有限公司 | Variety printing and dyeing wastewater processing system |
-
2016
- 2016-01-07 CN CN201610011183.6A patent/CN105565601A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145965A (en) * | 2011-04-18 | 2011-08-10 | 李斌 | Textile dyeing wastewater advanced treatment recycling technology |
| CN104355478A (en) * | 2014-10-14 | 2015-02-18 | 浙江钱江纺织印染有限公司 | Printing and dyeing sewage treatment system |
| CN205313328U (en) * | 2016-01-07 | 2016-06-15 | 嘉兴瑞奕环保科技有限公司 | Variety printing and dyeing wastewater's wind path processing system |
| CN205368044U (en) * | 2016-01-07 | 2016-07-06 | 嘉兴瑞奕环保科技有限公司 | Variety printing and dyeing wastewater processing system |
Non-Patent Citations (1)
| Title |
|---|
| 郑刚等: "印染废水的光催化处理的研究", 《第11届长三角科技论坛环境保护分论坛暨上海市环境科学学会第18届学术年会论文集》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275842A (en) * | 2018-02-26 | 2018-07-13 | 张家港普坤毛纺织染有限公司 | A kind of dyeing and printing sewage water treatment device and its processing method |
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Application publication date: 20160511 |