CN208949091U - A kind of total system of textile manufacturing waste water - Google Patents
A kind of total system of textile manufacturing waste water Download PDFInfo
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- CN208949091U CN208949091U CN201821472889.3U CN201821472889U CN208949091U CN 208949091 U CN208949091 U CN 208949091U CN 201821472889 U CN201821472889 U CN 201821472889U CN 208949091 U CN208949091 U CN 208949091U
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Abstract
The utility model discloses a kind of total systems of textile manufacturing waste water, belong to textile waste processing technology field.The system comprises household waste water collecting pond, sizing wastewater pretreatment workshop section, dyeing waste water pretreatment workshop section, loom Wastewater Pretreatment workshop section and integrated treatment workshop sections.The characteristics of system provided by the utility model has comprehensively considered various waste water and treating capacity respectively pre-process three kinds of waste water, there are two types of for composite waste with sanitary wastewater in three kinds of waste water, do not handle the sanitary wastewater for being easiest to processing individually；Through this system, treated that waste water meets national grade one discharge standard, and small to machine utilization, can be substantially reduced back washing strength and extend backwashing period.COD value through this system treated waste water is between 20-35mg/L, BOD5Between 5-10mg/L, ammonia nitrogen < 8mg/L, P < 0.4mg/L, pH6-8 meet national grade one discharge standard.
Description
Technical field
The utility model belongs to textile waste processing technology field, in particular to a kind of integrated treatment of textile manufacturing waste water
System.
Background technique
There are plurality of textile printing and dyeing enterprises in China, and dyeing waste water is processing cotton, fiber crops, chemical fibre and its blended production
The waste water of printing and dyeing mill's discharge based on product, wastewater in textile printing and dyeing industry coloration is deep, alkalinity is big, organic pollutant content is high, water quality
Variation is big, constituent is complicated；Containing additional in dirt, grease, salt and the process on textile fabric in waste water
The pollutants such as various slurries, dyestuff, surfactant, auxiliary agent, soda acid, COD the and BOD content in waste water are high；The coloration of waste water
Etc. indexs generally far above discharge standard, discharge amount is big, and concentration is high, difficult to degrade, and it is very big to deal with difficulty.
Waste water can be all discharged in each process of weaving, and such as printing and dyeing, sizing, drying and woven fabric (water-jet loom) can generate greatly
Waste water is measured, the complicated component of each waste water, parameter difference is larger and water difference is larger.By taking our company as an example, such as sizing wastewater
COD is 600-2000mg/L, BOD 150-350mg/L, pH value 6-9, treating capacity 5-15m3/d；The COD of dyeing waste water is
800-1500mg/L, BOD 300-500mg/L, pH value 9-11, treating capacity 300m3/ d or more；The COD of loom waste water is
300-600mg/L, BOD 80-250mg/L, pH value 6-9, treating capacity 40-100m3/d；The COD of sanitary wastewater is 100-
700mg/L, BOD 60-300mg/L, pH value 6-9, treating capacity 50-200m3/d.Specifically, with sanitary wastewater most benefit
Reason, followed by loom waste water, then be sizing wastewater, most intractable is dyeing waste water.Containing the chemistry dye such as PAV in dyeing waste water
Material, sizing wastewater is starch-containing, PVA(such as 1799,205), and QB(such as 918,818) etc. LMA(such as 96,98), loom waste water, which contains, to be gathered
Vinyl alcohol, acrylic size and esterification starch etc., sanitary sewage contain rainwater, flushing water, sanitary wastewater and kitchen waste water etc., at
Divide complexity.
Currently, textile waste processing technique has physico-chemical process, biochemical method, electrochemical process, chemical method and photochemical method etc., wherein
Based on biochemical method, some is also connected in series by chemical method；Though various treatment process have their own characteristics each to textile printing and dyeing wastewater processing,
But there is also certain limitations.According to the water quality characteristics of textile printing and dyeing wastewater, need to solve textile waste during the treatment
The problems such as the basicity of water, not easily biological-degradable or the extremely slow organic matter of biodegradation rate；Processing method is with biological treatment
Based on method, while necessary pretreatment and physical chemistry depth logos need to be aided with.Pretreatment mainly has: adjusting (water quality and quantity
Homogenizing), neutralize, grid filtering, sedimentation etc..Common materializing strategy technique is mainly coagulant sedimentation and mixed condensed gas flotation process.This
Outside, electrolysis method, biological activated carbon method and chemical oxidization method etc. are also used for sometimes in textile waste processing.Biological treatment is main
For aerobic method, currently used active sludge, biological contact oxidation process, biological rotating disk and tower biological filter etc..To mention
The biodegradability of high waste water, anoxic, anaerobic technique have also been applied in textile waste processing.
Such as application No. is a kind of processing method of wastewater in textile printing and dyeing industry of the patent disclosure of CN200910136664 .X,
The method includes the steps as follows: A pre-processes high chroma dyeing stoste: by high chroma dyeing stoste injection color reaction
Then pond adds flocculant FeCl3, dosage is that 200-400mg/L high chroma dyes stoste, residence time 5-7h；B homogeneous
Change processing: the product of step A, other waste water and waste liquids and the outer organic wastewater that draws are put into conditioning tank, residence time 7-9h；C is raw
Change processing: the water outlet of conditioning tank sequentially enters hydrolysis acidification pool, aerobic tank and sedimentation basin, and sewage is in this stage residence time
45-50h；Flocculation treatment after D: flocculant FeSO is added into the water outlet of step C4Flocculation treatment after progress；After processing, it is discharged
Water quality meets the I grade standard of GB4287-92 " textile dyeing and finishing industrial water pollution object discharge standard " table 3.
Such as application No. is the patents of CN200510092957 .8 to disclose the work of a kind of processing of textile printing and dyeing wastewater and reuse
Skill includes the following steps: pre-treatment, and conditioning tank enters level-one flotation tank by elevator pump in textile waste, by adjusting air bearing
The reflux ratio in pond and dissolved-air pressure further remove the impurity such as lint in waste water, and increase the dissolved oxygen content in waste water；
Biochemical treatment is carried out later, using domestication, after carrier type thermopnore composite membrane mud reactor after biofilm is to level-one air-flotation process
Waste water carry out the aerobic decomposition of organic matter, by stirring, aeration so that the dissolved oxygen in waste water is maintained at proper level, this process
In so that the organic matter in waste water is obtained most degradation, subsequently into activated sludge tank, further organic matter is carried out
Waste water, is most introduced sedimentation basin after biological decomposition afterwards by oxygen solution, and the active sludge biological that wastewater sedimentation is got off flows back into CBR
In reaction tank, sedimentation basin water outlet reaches discharge standard；Post-processing, second pond supernatant are discharged to secondary air-floatation pond, pass through adjusting
The reflux ratio and dissolved-air pressure of flotation tank further remove useless impurities in water and suspended particulate substance and colloid, guarantee wastewater effluent
Water quality indicator, then waste water is introduced in ozone oxidation pond again, will be difficult in biological treatment process by the strong oxidizing property of ozone
It is further degraded with the organic matter of explanation, and using the decoloration performance of ozone, guarantees the coloration of water outlet.The patent can handle
Pollution concentration is high, and coloration is high, the unstable textile printing and dyeing wastewater of water quality.
Reach national second level row after the processing technique of existing textile waste usually mixes various waste water, then after simple process
Standard (COD < 100, BOD < 30) is put to discharge afterwards.But it has been found that every kind of waste water has the characteristics that respective, such as knit
Machine waste water does not need that grid filtration, dyeing waste water flocculating result are bad, sizing wastewater amount is few but not easy to handle etc.；Meanwhile respectively
Complicated component in kind waste water, directly mixing may will do it complicated chemical reaction, may generate toxicant (ordinary circumstance
Under, the raw material used considers environmental protection and removal factor, but mixed environmentally friendly and go with other waste water there is no considering
Except factor), it is not easy to remove, it is also possible to impact the strain of subsequent processing.In addition, the prior art treated waste water water
Matter is general, water quality may be kept not up to standard since environment influences (such as temperature), can not recycled.
Utility model content
To solve the above-mentioned problems, one of the purpose of this utility model is to provide a kind of integrated treatment of textile manufacturing waste water
Method, this method combine the specific and yield factors of various waste water itself, first respectively processing, then integrated treatment, respectively when processing
Treating capacity and processing have been comprehensively considered when main component being decomposed, and COD and BOD is effectively reduced, while respectively being handled
Difficulty uses specific processing mode；Integrated treatment makes waste water can reach national grade one discharge standard.The mesh of the utility model
Two be the wastewater comprehensive treatment system provided using preceding method, be adapted to the treating capacity of various waste water, and reduce
It backwashes difficulty and extends the period.The technical solution is as follows:
The utility model embodiment additionally provides a kind of total system of textile manufacturing waste water, which includes life
Wastewater collection pond, sizing wastewater pretreatment workshop section, dyeing waste water pretreatment workshop section, loom Wastewater Pretreatment workshop section and integrated treatment
Workshop section；Sizing wastewater pretreatment workshop section includes being mixed by the sequentially connected sizing wastewater collecting pit of pipeline, sizing wastewater
Pond, sizing wastewater conditioning tank, sizing wastewater sedimentation basin, sizing wastewater hydrolysis acidification pool and biological aerated filter, the sizing are useless
Water mixing pit is connect with household waste water collecting pond by pipeline and is equipped with grid in it；The dyeing waste water pre-processes workshop section
Pass through the sequentially connected dyeing waste water collecting pit of pipeline, dyeing waste water mixing pit, decolorizing reaction tank, pH conditioning tank, dyeing waste water
Hydrolysis acidification pool and aeration tank, the dyeing waste water mixing pit are connect with household waste water collecting pond by pipeline and are equipped with lattice in it
Grid；Loom Wastewater Pretreatment workshop section include by the sequentially connected loom wastewater collection pond of pipeline, loom wastewater equalization pond,
Loom effluent settling chamber and micro-electrolysis reactor；The integrated treatment workshop section includes the first intermediate pool, level-one contact-oxidation pool, two
Grade contact-oxidation pool, the second intermediate pool, biological carbon pond, comprehensive adjustment pond, comprehensive sedimentation basin, third intermediate pool, filter and clear
The import in pond, first intermediate pool is connect by pipeline with aeration tank and biological aerated filter, first intermediate pool
Outlet, the import of level-one contact-oxidation pool, two-stage biological contact oxidation pond and the second intermediate pool are sequentially connected by pipeline, micro- electricity
Solution reactor is connect by pipeline with the import of the second intermediate pool, outlet, the biological carbon pond, comprehensive adjustment of second intermediate pool
Pond, comprehensive sedimentation basin, third intermediate pool, filter and clear water reserviors are sequentially connected by pipeline.
Technical solution provided by the embodiment of the utility model has the benefit that that treated is useless through the utility model
Water COD value is between 20-35mg/L, and for BOD between 5-10mg/L, ammonia nitrogen < 8mg/L, P < 0.4mg/L, pH6-8 meet state
Family's first discharge standard.
Detailed description of the invention
Fig. 1 is the functional block diagram of the total system of textile manufacturing waste water provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of biological aerated filter provided by the embodiment of the utility model；
Fig. 3 is the flow chart of Treatment of Sludge.
In figure: 1 filter tank ontology, 2 water inlets, 3 backwash water inlets, 4 air inlets, 5 water outlets, 6 filtrates intercept orifice plate, 7
Horse hair rope layer, 8 clay ceramic grain filter layers, 9 hollow plastic ball layers, 10 volcanic rock filter material layers, 11 pebble layers, 12 support orifice plates.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Embodiment 1
Referring to Fig. 1, embodiment 1 provides a kind of integrated conduct method of textile manufacturing waste water, and this method includes following step
It is rapid:
1, sizing wastewater pre-processes
101 sizing wastewaters premixing: by sizing wastewater and sanitary wastewater 1:5- by volume in sizing wastewater mixing pit
10(usually requires the viscosity for COD being reduced to 1000mg/L or less to reduce waste water, to guarantee subsequent biological aerated filter just
Often run and extend flushing cycle) it mixes and grid is used (to send after the completion of mixing for 15-30mm) removal floating material in grid gap
Step 102.Sizing wastewater and sanitary wastewater all have more floating material and need to carry out grid processing.
The flocculation of 102 sizing wastewaters: acid adding (hydrochloric acid or sulfuric acid etc.) is by mixed waste water in sizing wastewater conditioning tank
PH value is adjusted to 3.5-5.0, adds flocculant poly aluminium chloride and ferric sulfate, and the dosage of aluminium polychloride is 20-45mg/L waste water,
The dosage of ferric sulfate is 10-20mg/L waste water, and flocculation time 0.5-3.0h is sunk in sizing wastewater settling tank after flocculation
Drop, supernatant send step 103.Consider that sizing wastewater has very big viscosity in the step, by using aluminium polychloride and sulphur
Sour iron is used cooperatively and increases dosage, and the viscosity of waste water can be made to be substantially reduced.
103 sizing wastewater hydrolysis acidifications: using hydrolysis acidification to the waste water after flocculation in sizing wastewater hydrolysis acidification pool
It is handled, hydraulic loading 5-10m3/(m2* d), residence time 3-5 hours, step 104 is sent after the completion of processing.The step is adopted
It is handled, is removed largely to the harmful organic matter of bacterium in order to which step 104 is handled with conventional anaerobic hydrolysis-acidification.
104 aeration filtrations: the waste water after hydrolysis acidification is handled using biological aerated filter, hydraulic loading 7.5-
14.0m3/(m2* d), filtering velocity is 0.5-1.5 m/h, gas-water ratio 2.5-4.0:1.Wherein, clay is equipped in biological aerated filter
The volume ratio of ceramic grain filter (upper) and volcanic rock filtrate (under), volcanic rock filtrate and clay ceramic grain filter is 1.5-2.5:1,
Step 4 is sent after the completion of processing.In the step, consider that the treating capacity of waste water is not very greatly, then preferably still to locate using treatment effect
The general biological aerated filter of reason amount is handled.There is no use the common defluent biofilter of waste water (no for this step
Aeration), and using waste water to upstream and by the way of being aerated.Waste water keeps gas distribution, water distribution uniform to upstream；According to flow down,
The SS then retained is concentrated mainly on the top of filtrate, and runing time one is long, will appear negative head phenomenon in filter tank, causes channel,
This point can be avoided using to upstream；Using to upstream, the SS for being trapped in bottom can be brought into filter in bubble uphill process
Pond middle and upper part increases the dirty rate of receiving of filtrate, extends backwash interval time.Can produce more biomembranes can supplement step simultaneously
Strain needed for rapid 401.
2, dyeing waste water pre-processes
201 dyeing waste waters premixing: in dyeing waste water mixing pit by dyeing waste water and remaining sanitary wastewater (if there is just
Add, does not just have to add, sanitary wastewater has residue under normal conditions, then can reduce the concentration of dyeing waste water in order to subsequent place
Reason) it mixes and grid is used (to send step 202 after the completion of mixing for 15-30mm) removal floating material in grid gap.Dyeing waste water with
Sanitary wastewater all has more floating material and needs to carry out grid processing.It is found by the applicant that dyeing waste water uses flocculating effect one
As, then without flocculation treatment in this method.
202 decolorations: it is passed through chlorine in the waste water in decolorizing reaction tank upon mixing and carries out decolorization, dosage is according to reality
Border situation is adjusted, and then extends duration of ventilation for bright red equal dark dyes, waits light colored dyes then to reduce ventilation for yellowish
Time, being usually subject to becomes light color for waste water, and step 203 is sent after the completion of processing；Certainly hypochlorous acid, oxidation can also be used in decoloration
The oxidants such as chlorine and sodium hypochlorite, but considering cost and effect, the present embodiment use chlorine.
203 tune pH value: sour (hydrochloric acid or sulfuric acid) is added in pH conditioning tank and adjusts the pH value of the waste water after decoloration to 6-9
In order to hydrolysis acidification processing, step 204 is sent after the completion of adjustment；
204 dyeing waste water hydrolysis acidifications: in dyeing waste water hydrolysis acidification pool using hydrolysis acidification to adjustment pH value after
Waste water is handled, hydraulic loading 20-35m3/(m2* d), residence time 4-6 hours, step 205 is sent after the completion of processing.
205 aerations: the waste water after hydrolysis acidification is handled using aeration tank, hydraulic loading 25-35m3/(m2* d),
Gas-water ratio is 20-25:1, is handled time 2-4 hours, and processing is completed to send step 4.
Since the treating capacity of dyeing waste water is very big, handled so being all made of processing pond；Pass through anaerobic hydrolysis-acidification
With aeration to remove most of organic matter, color is very shallow after visually handling.
3, loom Wastewater Pretreatment
301 loom waste water flocculatings: acid adding (hydrochloric acid or sulfuric acid etc.) adjusts the pH value of waste water in Yu Zhiji wastewater equalization pond
To 4.0-5.0, add flocculant poly aluminium chloride, the dosage of aluminium polychloride is 15-25mg/L waste water, flocculation time 0.5-
2.0h is settled in loom effluent settling chamber after flocculation, and supernatant send step 302.Since the COD value of loom waste water is lower
And substantially without floating material, then do not need to be mixed with sanitary wastewater without grid processing in the utility model yet.
302 loom waste water light electrolysis: the waste water after flocculation is handled using micro-electrolysis reactor, residence time 4-
6h, micro-electrolysis reactor is interior to be equipped with iron filings, coke and active carbon, and it is usually 5-10 mg/L that the dosage of iron filings, which is greater than 4mg/L() it is useless
Water, the mass ratio of iron filings, coke and active carbon are 4-6:1:0.2-0.4, step 5 are sent after the completion of processing, after handling a period of time
Supplement iron filings.Loom waste water is due to concentration low (content of organics is usually 1-3%), ingredient relatively single (1-3 kind component), place
Reason amount is small, then this patent uses micro-electrolysis reactor (treating capacity is small, and processing speed is slow) and handled, high treating effect, and
It is flux matched with handling, and the period backwashed is longer.
Abovementioned steps 1-3 is not to be numbered according to actual order, can be adjusted as needed, and actual conditions are same
Shi Jinhang is carried out according to production plan.
4, catalytic oxidation
401 level-one catalytic oxidations: the waste water of step 104 and the waste water of step 205 are mixed and in level-one contact-oxidation pool
Middle carry out catalytic oxidation, gas-water ratio 16-22:1 are handled time 4-7 hours, and processing is completed to send step 402.In this step may be used
The a large amount of biomembranes generated using biological aerated filter (activity is high).
402 two-stage biological contact oxidations: carrying out catalytic oxidation for the waste water after level-one catalytic oxidation in two-stage biological contact oxidation pond,
Gas-water ratio is 12-16:1, is handled time 1.5-2.5 hours, and processing is completed to send step 5；The step can utilize level-one catalytic oxidation
Biomembrane (relative to level-one catalytic oxidation have stronger adaptability) for waste water carry out deep contact oxidation,
5, biological carbon pond is handled
The processing of 501 up-flow biological carbon ponds: the waste water of the waste water of step 302 and step 402 is mixed and uses up-flow
Biological carbon pond is handled, filtering velocity 2-5m/h, gas-water ratio 4.0-6.5:1, and step 502 is sent after the completion of processing.
502 drop streaming biological carbon ponds processing: by treated in up-flow biological carbon pond waste water using drop streaming biological carbon pond
It is handled, filtering velocity 2-5m/h, gas-water ratio 4.0-5.5:1, step 6 is sent after the completion of processing.
Step 5, it is combined biological synthesis processing that useless Organic substance in water can be made to decompose substantially with filtering by physical absorption, makes to give up
Water is substantially colorless.
6, comprehensive flocculation
In comprehensive adjustment pond in treated in biological carbon pond waste water plus flocculant poly aluminium chloride, aluminium polychloride
Dosage is 10-20mg/L waste water, and flocculation time 0.5-1.5h is settled in comprehensive sedimentation basin after flocculation, and supernatant send step
Rapid 7.The step can be such that product clarifies substantially and slightly reduce COD and BOD, while can also reduce the back washing strength of step 7
With extension backwashing period.
7, it filters
The waste water after comprehensive flocculation is handled using filter, obtains clear water after the completion of processing, clear water discharge or
It recycles.Filter includes one of graphite filter, quartz filter and diatomaceous earth filter etc. or a variety of series connection.Its
Processing method is similar with conventional method.Filter can make product clear, and slightly reduce COD and BOD.
Wherein, the COD of the sizing wastewater in the utility model is 600-2000mg/L, BOD 150-350mg/L；Printing and dyeing
The COD of waste water is 800-1500mg/L, BOD 300-500mg/L；The COD of loom waste water (water-jet loom) is 300-600mg/
L, BOD 80-250mg/L；The COD of sanitary wastewater is 100-700mg/L, BOD 60-300mg/L, the life in the present embodiment
Waste water can refer to the sanitary wastewater on conventional meaning, and weaving plant area can also be referred to except sizing wastewater, dyeing waste water and loom waste water
Other waste water in addition, as drying condensation water, flushing water, humidification system waste water, rainwater, emergency water, lavatory waste water, kitchen are useless
Water and other waste water relevant to production of living.
Wherein, (such as gravity concentration is concentrated in the sludge generated using sludge-tank collection step 102, step 301 and step 6
Pond) or it is dehydrated (such as filter press), the liquid separated send step 401 to be handled, and the solid separated is sent with qualification
Processed in units.
Wherein, the iron filings in micro-electrolysis reactor pass through second using the dirt, greasy dirt and the oxide layer that preceding need cleaning surface
Alcohol impregnates to degrease (as impregnated 5-20min), removal dirt and ethyl alcohol is washed by clear water, by impregnating hydrochloric acid (as used
The salt acid soak 5-30min of 0.5-2.0mol/L) remove removing oxide layer；When coke is using preceding needing to impregnate 48h or more using waste water
Its suction-operated saturation, the waste water used are step 301 treated waste water.
The COD value of waste water after treated by the present method is between 20-35mg/L, and BOD is between 5-10mg/L, ammonia nitrogen <
8mg/L, P < 0.4mg/L, pH6-8, meet national grade one discharge standard.In addition, being computed this method and conventional method (country
Secondary discharge standard) processing cost almost (be 2.7-3.2 yuan/ton, including energy cost, cost of labor, reagent cost
And equipment depreciation, but need bigger equipment investment and land occupation), but each equipment all has lesser back washing strength and longer
Backwashing period, in a disguised form reduce costs and reduce labor intensity, backwash cost can reduce 0.2-0.3 yuan/ton, with
The production capacity of this factory, can save ten thousand yuan of 6-8 every year, and the water of processing such as fruit part recycles, can save 100,000 yuan/year of water rate with
On.
Embodiment 2
The embodiment is specifically handled the waste water of this factory using the method for embodiment 1, is handled the time 2017 9
Month.The index of the waste water of processing are as follows: the COD of sizing wastewater is 1435mg/L, and BOD 251mg/L, pH value 7.4, treating capacity is
10.7m3/d；The COD of dyeing waste water is 1140mg/L, BOD 359mg/L, pH value 10.3, treating capacity 570m3/d；Loom
The COD of waste water is 545mg/L, BOD 175mg/L, pH value 7.2, treating capacity 84m3/d；The COD of sanitary wastewater is
551mg/L, BOD 173mg/L, pH value 6.8, treating capacity 182m3/d.Sizing wastewater and the domestic water of 8 times of volumes are mixed
It closes, obtained waste water COD is 602mg/L, BOD 184mg/L, pH value 7.1, treating capacity 90m3/d；Dyeing waste water and surplus
Remaining sanitary wastewater mixing, obtained waste water COD are 924mg/L, BOD 327mg/L, pH value 9.8, treating capacity 670m3/
d。
Result that treated are as follows: it is that 64.3%), BOD is that the COD through step 1 treated waste water, which is 215mg/L(removal rate,
63mg/L(removal rate 65.8%), viscosity is very low；COD through step 2 treated waste water is that 241mg/L(removal rate is
73.9%), BOD is 123mg/L(removal rate 62.4%), substantially without color；COD through step 3 treated waste water is 147mg/L
(removal rate 73.0%), BOD are 89mg/L(removal rate 49.1%), handling through 2 steps can reach preferable treatment effect；Step
The COD and BOD of 1-3 treated waste water are close, and the COD of mixed waste water is in 220mg/L or so, and BOD is on the left side 100mg/L
The right side, without obvious chemical reaction when visually mixing, not heat release does not generate offscum, does not generate precipitating, color is without significant change.Through
The COD of step 4-7 treated waste water is 32.7mg/L, BOD 8.3mg/L, ammonia nitrogen 5.8mg/L, P 0.2mg/L, coloration
40 times of <.
Embodiment 3
Referring to Fig. 1, embodiment 3 provides a kind of total system of textile manufacturing waste water, which includes that life is useless
Water collecting pit, sizing wastewater pretreatment workshop section, dyeing waste water pretreatment workshop section, loom Wastewater Pretreatment workshop section and General Office's science and engineering
Section etc..
Wherein, referring to Fig. 1, sizing wastewater pre-process workshop section include by the sequentially connected sizing wastewater collecting pit of pipeline,
Sizing wastewater mixing pit, sizing wastewater conditioning tank, sizing wastewater sedimentation basin, sizing wastewater hydrolysis acidification pool and biological aerated filter
Connect by pipeline with household waste water collecting pond Deng, sizing wastewater mixing pit and it is interior equipped with grid and blender.
Wherein, referring to Fig. 1, dyeing waste water pre-process workshop section include by the sequentially connected dyeing waste water collecting pit of pipeline,
Dyeing waste water mixing pit, decolorizing reaction tank, pH conditioning tank, dyeing waste water hydrolysis acidification pool and aeration tank etc., dyeing waste water mixing
Pond is connect with household waste water collecting pond by pipeline and is equipped with grid and blender in it.
Wherein, referring to Fig. 1, loom Wastewater Pretreatment workshop section include by the sequentially connected loom wastewater collection pond of pipeline,
Loom wastewater equalization pond, loom effluent settling chamber and micro-electrolysis reactor etc..
Wherein, referring to Fig. 1, integrated treatment workshop section includes the first intermediate pool, level-one contact-oxidation pool, two-stage biological contact oxidation
Pond, the second intermediate pool, biological carbon pond, comprehensive adjustment pond, comprehensive sedimentation basin, third intermediate pool, filter and clear water reserviors etc., first
The import of intermediate pool is connect by pipeline with aeration tank and biological aerated filter, the outlet of the first intermediate pool, level-one catalytic oxidation
The import in pond, two-stage biological contact oxidation pond and the second intermediate pool is sequentially connected by pipeline, and micro-electrolysis reactor passes through pipeline and the
The imports of two intermediate pools connects, the outlet of the second intermediate pool, biological carbon pond, comprehensive adjustment pond, comprehensive sedimentation basin, among third
Pond, filter and clear water reserviors are sequentially connected by pipeline.
Pump, valve and/or flowmeter etc. is arranged in above-mentioned each structure on pipeline as needed.Between certain aforementioned each structure
Irrigation canals and ditches can be used as needed to be attached instead of pipeline.
Specifically, referring to fig. 2, the biological aerated filter in the utility model embodiment includes vertically arranged filter tank ontology
1, the water inlet 2 of 1 bottom of filter tank ontology and backwash water inlet 3, the air inlet 4 of 1 lower part of filter tank ontology, 1 top of filter tank ontology
Water outlet 5 and the filtrate that is from top to bottom sequentially arranged in filter tank ontology 1 intercept orifice plate 6, horse hair rope layer 7, clay ceramic grain filter
Layer 8, hollow plastic ball layer 9, volcanic rock filter material layer 10, pebble layer 11 and support orifice plate 12 etc..Wherein, filter tank ontology 1 can be with
The cylinder-like structure built up for stainless steel or concrete.Filtrate intercepts orifice plate 6 and support orifice plate 12 is horizontally fixed on filter
On pond ontology 1, it is evenly equipped with hole thereon, it is desirable that gas and waste water energy pass through, and filtrate cannot pass through.Filtrate intercepts orifice plate 6 for preventing
Only filtrate flows out.The effect of horse hair rope layer 7 first is that compressing (cannot too tight) filtrate and can make filtrate that can move upwards, second is that making
Water outlet uniformly, guarantees that waste water comes into full contact with filtrate；Hollow plastic ball layer 9 fills structure by hollow polyhedral or hollow ball shape filler
At；It makes water flow to changing, filter material layer is avoided integrally to be compacted as anti-clogging layer, and voidage reduces；Clay is set to make pottery simultaneously
Grain filter material layer 8 and volcanic rock filter material layer 10 separate；Also make smoothed between clay ceramic grain filter layer 8 and volcanic rock filter material layer 10
It crosses.It is made of pebble layer 11 filling of the cobblestone of 15-25mm size, is played support filter material layer and is conducive to filter tank inner ventilation
Effect.Clay ceramic grain filter layer 8 and volcanic rock filter material layer 10 play physical filtering and biomembrane bedding, pass through two kinds of filtrates
Cooperation, can all have biggish removal rate to N and P, while be conducive to falling off and generating for biomembrane, anti-relative to a kind of filtrate
Flushing cycle extends at least 1.5 times, and washing time reduces 20-30%, also reduces rinse water.The air inlet being connect with air inlet 4
Distributor pipe protrudes into pebble layer 11, and air inlet 4 is connect by pipeline with air blower.Wherein, a height of 10- of the layer of horse hair rope layer 7
20cm, a height of 50-75cm of layer of clay ceramic grain filter layer 8, a height of 20-30cm of the layer of hollow plastic ball layer 9, volcanic rock filter material layer
The a height of 80-100cm of 10 layer, a height of 15-30cm of the layer of pebble layer 11.Further, the filter of clay ceramic grain filter layer 8 is constituted
The bulk density of material is 0.25-0.35g/cm3, porosity 50-60%；The accumulation for constituting the filtrate of volcanic rock filter material layer 10 is close
Degree is 0.25-0.35g/cm3, porosity 50-60%.
Wherein, the micro-electrolysis reactor in the present embodiment is filled with iron filings, coke and active carbon, iron filings, coke and activity
The mass ratio of charcoal is 4-6:1:0.2-0.4, having a size of φ 0.2-0.5m, length 2-5m.
Further, biological aerated filter and the settable circulation of micro-electrolysis reactor.
Wherein, the biological carbon pond in the present embodiment includes concatenated up-flow biological carbon pond and drop streaming biological carbon pond, is risen
Streaming biological carbon pond is connect by pipeline with the second intermediate pool, and drop streaming biological carbon pond is connect by pipeline with comprehensive adjustment pond.
Wherein, in the sizing wastewater hydrolysis acidification pool in the present embodiment and dyeing waste water hydrolysis acidification pool (the high 3m or more in pond)
It is equipped with the YDT elastic solid filler of 1.5-2.5m high, bottom is equipped with blender.
Wherein, the first intermediate pool in the present embodiment, the second intermediate pool and third intermediate pool work as a buffer, in can set
Set blender.
Specifically, the loom effluent settling chamber in the present embodiment is ramp type sedimentation basin (flow is smaller), and sizing wastewater is heavy
Shallow lake pond is vertical sedimentation basin (flow is moderate), and comprehensive sedimentation basin is rectangular sedimentation tank (flow is very big).
Further, referring to Fig. 3, the total system of textile manufacturing waste water provided in this embodiment further includes sludge-tank
The import of (for collecting sludge) and sludge condensation structure (concentration basin or filter press etc.), sludge-tank passes through pipeline and sizing wastewater
Sedimentation basin, loom effluent settling chamber are connected with comprehensive sedimentation basin, and the outlet of sludge-tank is connect by pipeline with sludge condensation structure,
The liquid outlet of sludge condensation structure is connect by pipeline with the first intermediate pool.
Wherein, the filter in the present embodiment includes in graphite filter, quartz filter and diatomaceous earth filter etc.
One or more series connection.
Wherein, " first " in the present embodiment, " second " and " third " only play differentiation without other Special Significances.
The characteristics of system provided by the utility model has comprehensively considered various waste water and treating capacity, respectively to three kinds of waste water into
Row pretreatment, there are two types of for the composite waste with sanitary wastewater in three kinds of waste water, not individually to the sanitary wastewater for being easiest to processing
It is handled；Through this system, treated that waste water meets national grade one discharge standard, and small to machine utilization, can be substantially reduced anti-
Backwash rate and extension backwashing period.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of total system of textile manufacturing waste water, which is characterized in that the system comprises household waste water collecting ponds, slurry
Yarn Wastewater Pretreatment workshop section, dyeing waste water pretreatment workshop section, loom Wastewater Pretreatment workshop section and integrated treatment workshop section；
Sizing wastewater pretreatment workshop section includes being mixed by the sequentially connected sizing wastewater collecting pit of pipeline, sizing wastewater
Pond, sizing wastewater conditioning tank, sizing wastewater sedimentation basin, sizing wastewater hydrolysis acidification pool and biological aerated filter, the sizing are useless
Water mixing pit is connect with household waste water collecting pond by pipeline and is equipped with grid in it；
Dyeing waste water pretreatment workshop section includes being mixed by the sequentially connected dyeing waste water collecting pit of pipeline, dyeing waste water
Pond, decolorizing reaction tank, pH conditioning tank, dyeing waste water hydrolysis acidification pool and aeration tank, the dyeing waste water mixing pit pass through pipeline
It is connect with household waste water collecting pond and is equipped with grid in it；
Loom Wastewater Pretreatment workshop section includes being adjusted by the sequentially connected loom wastewater collection pond of pipeline, loom waste water
Pond, loom effluent settling chamber and micro-electrolysis reactor；
The integrated treatment workshop section include the first intermediate pool, level-one contact-oxidation pool, two-stage biological contact oxidation pond, the second intermediate pool,
Biological carbon pond, comprehensive adjustment pond, comprehensive sedimentation basin, third intermediate pool, filter and clear water reserviors, the import of first intermediate pool
It is connect by pipeline with aeration tank and biological aerated filter, the outlet of first intermediate pool, level-one contact-oxidation pool, second level connect
The import of touching oxidation pond and the second intermediate pool is sequentially connected by pipeline, and the micro-electrolysis reactor passes through among pipeline and second
The import in pond connects, the outlet of second intermediate pool, biological carbon pond, comprehensive adjustment pond, comprehensive sedimentation basin, third intermediate pool,
Filter and clear water reserviors are sequentially connected by pipeline.
2. the total system of textile manufacturing waste water according to claim 1, which is characterized in that the aeration and biological filter
Pond includes vertically arranged filter tank ontology (1), the water inlet (2) of filter tank ontology (1) bottom and backwash water inlet (3), filter tank
The air inlet (4) of ontology (1) lower part, the water outlet (5) on filter tank ontology (1) top and from top to bottom it is sequentially arranged in filter tank ontology
(1) filtrate in intercepts orifice plate (6), horse hair rope layer (7), clay ceramic grain filter layer (8), hollow plastic ball layer (9), volcanic rock filter
The bed of material (10), pebble layer (11) and support orifice plate (12), the air inlet distributor pipe connecting with the air inlet (4) protrude into cobblestone
In layer (11), the air inlet (4) is connect by pipeline with air blower, a height of 10-20cm of layer of the horse hair rope layer (7), institute
State layer a height of 50-75cm of clay ceramic grain filter layer (8), a height of 20-30cm of layer of the hollow plastic ball layer (9), the fire
The layer a height of 80-100cm, a height of 15-30cm of layer of the pebble layer (11) of mountain rock filter material layer (10)；Constitute the filter of clay haydite
The porosity of the filtrate of the bed of material (8) is 50-60%；The porosity for constituting the filtrate of volcanic rock filter material layer (10) is 50-60%.
3. the total system of textile manufacturing waste water according to claim 1, which is characterized in that the biological carbon Chi Bao
Concatenated up-flow biological carbon pond and drop streaming biological carbon pond are included, up-flow biological carbon pond passes through pipeline and the second intermediate pool
Connection, the drop streaming biological carbon pond are connect by pipeline with comprehensive adjustment pond.
4. the total system of textile manufacturing waste water according to claim 1, which is characterized in that the sizing wastewater water
The YDT elastic solid filler of 1.5-2.5m high is equipped in solution acidification pool and dyeing waste water hydrolysis acidification pool, bottom is equipped with and stirs
Mix device.
5. the total system of textile manufacturing waste water according to claim 1, which is characterized in that the loom waste water is heavy
Shallow lake pond is ramp type sedimentation basin, and the sizing wastewater sedimentation basin is vertical sedimentation basin, and the comprehensive sedimentation basin is heavy for flat flow
Shallow lake pond.
6. the total system of textile manufacturing waste water according to claim 1, which is characterized in that the system also includes
The import of sludge-tank and sludge condensation structure, the sludge-tank passes through pipeline and sizing wastewater sedimentation basin, loom effluent settling chamber
It is connected with comprehensive sedimentation basin, the outlet of the sludge-tank is connect by pipeline with sludge condensation structure, the sludge condensation structure
Liquid outlet connect with the first intermediate pool by pipeline.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862942A (en) * | 2018-09-10 | 2018-11-23 | 湖北丰帛纺织有限公司 | A kind of integrated conduct method and system of textile manufacturing waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862942A (en) * | 2018-09-10 | 2018-11-23 | 湖北丰帛纺织有限公司 | A kind of integrated conduct method and system of textile manufacturing waste water |
| CN108862942B (en) * | 2018-09-10 | 2024-02-27 | 广州成达环保设备工程有限公司 | Comprehensive treatment method and system for textile production wastewater |
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