CN206089364U - Divide matter reposition of redundant personnel printing and dyeing wastewater processing system - Google Patents
Divide matter reposition of redundant personnel printing and dyeing wastewater processing system Download PDFInfo
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- CN206089364U CN206089364U CN201621089746.5U CN201621089746U CN206089364U CN 206089364 U CN206089364 U CN 206089364U CN 201621089746 U CN201621089746 U CN 201621089746U CN 206089364 U CN206089364 U CN 206089364U
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Abstract
The utility model discloses a divide matter reposition of redundant personnel printing and dyeing wastewater processing system, system including the second grid canal, the second equalizing basin that adopt useless water piping connection in proper order, mix the pond, just sink pond, the 2nd hydrolysis -acidification pool, bio -contact oxidation tank and two sink ponds, the system is still through useless water piping connection between the first grid canal, first equalizing basin, a hydrolysis -acidification pool and the UASB anaerobism reaction tank that adopt useless water piping connection in proper order and UASB anaerobism reaction tank and second equalizing basin, mud in the two heavy ponds flows last realization of return sludge pond, sludge tihckener and sludge dewatering device in proper order through the sludge pipe and transports outward the landfill or burn. Printing and dyeing wastewater processing method based on this system is handled the waste water of high concentration earlier, and waste water is handled together with other comprehensive waste water again after handling, divides matter reposition of redundant personnel operation, and ability lowering system construction cost and working costs just can satisfy the waste water treatment requirement.
Description
Technical field
The utility model is related to Technology of Sewage field, more particularly to a kind of sub-prime shunting printing and dyeing wastewater treatment system.
Background technology
Four operations of dyeing and printing process will discharge waste water, pretreatment stage (including desizing, boiling-off, bleach, singe, silk
The operations such as light) desized wastewater, boiled-off waste water, bleaching effluent and mercerizing waste water are discharged, dyeing process discharges dyeing waste-water, washing
Operation discharges printing waste water and soap lye waste water, and arranging process then discharges arrangement waste water.
According to CODcrJust, dyeing waste water can be divided into high-concentration waste water and (give up including desized wastewater, boiled-off waste water and bleaching
Water, CODer：12000mg/L～15000mg/L) comprehensive wastewater (mercerizing waste water, dyeing waste-water, printing waste water and arrangement waste water,
CODcr：2000mg/L～2500mg/L), the ratio substantially 1: 3 of the water yield of high-concentration waste water and comprehensive wastewater.
Its water quality characteristicses property difference of printing and dyeing each operation discharge waste water is larger：
(1) desized wastewater
Desizing is that the slurry of institute's band on fabric is stripped into (be hydrolyzed or enzyme is decomposed into water-soluble analyte) with chemical agent,
The partial impurities of fiber itself are also removed simultaneously.Desized wastewater is organic wastewater, containing slurry degradation thing, Soft flocks, enzyme etc., is given up
In alkalescence, pH value is 12 or so, COD to watercrContent is very high.When using PVA or CMC chemical sizwes, the BOD of waste water5Decline,
But CODcrVery high, waste water is more difficult.
(2) boiled-off waste water
Boiling-off is with the aqueous solution of caustic soda and surfactant etc., in high temperature (120 DEG C) and alkaline (pH=10-13) condition
Under, the impurity such as boiling-off, grease, wax, the pectin contained by removal fiber are carried out to bafta, to ensure to bleach the processing with dyeing and finishing
Quality.The boiled-off waste water water yield is big, and water temperature is high, in dark brown and strong basicity (being about 0.3% containing alkali concn).Contain in boiled-off waste water
The materials such as cellulose, tartaric acid, wax, grease, alkali, surfactant, nitrogen-containing compound, its BOD5And CODcrValue is higher (per liter
Up to thousands of milligrams), pollutant levels are high.
(3) bleaching effluent
Bleaching process is usually to remove fiber surface and inside with oxidants such as sodium hypochlorite, hydrogen peroxide, sodium chlorites
Impurity.The characteristics of bleaching effluent is that the water yield is big, and pollution level is lighter, BOD5And CODcrIt is relatively low, category relatively cleaning waste water, after process
It is recyclable.
(4) mercerizing waste water
Mercerising is that fabric is being carried out into solution process in soda lye, to improve the tensile strength of fiber, is increased
The lustrous surface of fiber, reduces the potential shrinkage factor of fabric and improves the affinity to dyestuff.Mercerizing waste water alkalescence relatively (contains by force
NaOH3%-5% or so), most printing and dyeing mills reclaim NaOH by being concentrated by evaporation, so mercerizing waste water is typically seldom discharged, pass through
Technique repeatedly uses the waste water of final discharge still in strong basicity, BOD5、CODcrIt is higher with SS values.
(5) dyeing waste-water
The major pollutants of dyeing waste-water are dyestuff and auxiliary agent.Because different fibrous raw materials and product needed use difference
Dyestuff, auxiliary agent and colouring method, the dye uptake for adding various dyestuffs is different, and dye liquor species is different with concentration, makes dyeing waste-water
Change of water quality is very big.Dyeing waste-water is typically in strong basicity, and the water yield is larger, and slurry, dyestuff, auxiliary agent, surfactant are contained in water quality
Deng chroma in waste water may be up to thousand of times, CODcrCompared with BOD5It is much higher, CODCrGenerally greater than 1000mg/L, BOD5/CODCrIt is general little
In 0.2, biodegradability is poor.
(6) printing waste water
Printing waste water mostly come from color matching size mixing, the flushing waste water of printing roller, Screen Printing, and stamp post processing
When soap, washing waste water.Due to the amount of slurry in print paste more than amount of dye a few to tens of times, therefore in printing waste water except dye
Outside material, auxiliary agent, also containing a large amount of slurries, BOD5And CODcrIt is all higher.Printing waste water amount is larger, and pollutant levels are higher, works as print
There is chromium trioxide to produce when during engraved roll plating cylinder using potassium bichromate, cylinder stripping chromium.These waste water toxic agents containing chromium will individually be located
Reason.
(7) waste water is arranged
The waste water water yield is arranged less, wherein containing Soft flocks, resin, finish, slurry, surfactant, formaldehyde etc..Arrange
Waste water quantity very little, affects also little to the water quality and quantity of full factory's composite waste.
At this stage most for the treatment of of dyeing wastewater modes are all after seven kinds of waste water synthesis, to calculate composite waste by more than
Water quality and quantity, then the design of sewage treatment process is carried out, so whole waste water quality complicated component, intractability is big, runs into
This and cost of investment are high, lack of targeted.In order to the hard-degraded substances such as PVA, CMC in composite waste are thoroughly degraded, typically must
Corresponding Advanced Oxidation Technics in Dealing must be added, investment and operating cost are higher, are unfavorable for engineer applied, while bringing to user
Larger financial burden.
Utility model content
The purpose of this utility model is overcoming the defect of prior art, there is provided a kind of sub-prime shunts printing and dyeing wastewater treatment system
And the processing method of dyeing waste water is carried out using the system, the system is first pre-processed to the waste water of high concentration, pretreatment
Waste water afterwards is handled together again with other comprehensive wastewaters, sub-prime triage operator, can reduce system Construction expense and operating cost, and
Disclosure satisfy that wastewater treatment is required.
The utility model is using technical scheme：
A kind of sub-prime shunts printing and dyeing wastewater treatment system, it is characterised in that including the second lattice for adopting waste pipe connection successively
Grid canal, the second regulating reservoir, mixing pit, preliminary sedimentation tank, the second hydrolysis acidification pool, biological contact oxidation pond and second pond, system is also wrapped
Include successively using the first grid canal of waste pipe connection, the first regulating reservoir, the first hydrolysis acidification pool and UASB anaerobic reation pools and
Connected by waste pipe between UASB anaerobic reation pools and the second regulating reservoir, the first acid solution storage tank passes through chemical feed pipe and described first
Regulating reservoir connects, and the second acid solution storage tank is connected by chemical feed pipe with second regulating reservoir, and medicament storage tank and adjuvant storage tank are distinguished
It is connected with the mixing pit by chemical feed pipe, air blast is connected by air hose with the biological contact oxidation pond, high-concentration waste
Water first passed through and converge and through bio-contact oxidation with the comprehensive wastewater for flowing into the second regulating reservoir after UASB anaerobic reation pools are processed
Pond processes and qualified discharge is finally realized from second pond, and the sludge in the second pond flows successively sludge reflux by sludge pipe
In pond and sludge concentration tank, Jing sludge dehydration devices processed finally realizes outward transport landfill or burns that the UASB anaerobism is anti-
Effluent part in Ying Chi can be back in the first hydrolysis acidification pool by waste pipe, the part in first hydrolysis acidification pool
Waste water can be back in the first regulating reservoir by waste pipe, and the partial sludge in the sludge reflux pond is back to by sludge pipe
In second hydrolysis acidification pool and biological contact oxidation pond, the sludge in second hydrolysis acidification pool and biological contact oxidation pond is also
Internal circulation flow is carried out by sludge pipe, the sludge in the preliminary sedimentation tank and the second hydrolysis acidification pool is by sludge pipe stream to sludge
In concentration basin.
Further, first regulating reservoir and the second regulating reservoir include elevator pump, boring aeration pipe and blower fan, and first adjusts
Section pond and the second regulating reservoir adopt underground type reinforced concrete structure, boring aeration pipe to be arranged on bottom of pond.
Further, first hydrolysis acidification pool and the second hydrolysis acidification pool include submersible agitator, reflux pump, chemical industry
Centrifugal pump and hydroformylation fibre synthetic fibre soft-filler, the first hydrolysis acidification pool and the second hydrolysis acidification pool adopt semi-underground type armored concrete
Structure, is hung with hydroformylation fibre synthetic fibre flexible filler in pond, and submersible agitator is arranged on bottom of pond portion.
Further, the UASB anaerobic reation pools adopt concrete masonry units, and unit volume load is 4～15kgCOD/
m3·d。
Further, an anoxic biological contact oxidation pond is provided with the wastewater inlet end of the biological contact oxidation pond,
Waste water is first passed through after anoxic biological contact oxidation pond is processed and flowed into again in biological contact oxidation pond, the biological contact oxidation pond
Sludge concentration is 2500mg/L～5000mg/L, 0.5～1kgBOD of sludge loading5/(m3Filler d), available depth 5m.
Further, the preliminary sedimentation tank and second pond are half ground type reinforced concrete structure, and bottom of pond is provided with scraping and sucking machine
And sludge pump.
Further, the sludge reflux pond includes sludge circulation pump and sludge pump, and the sludge dehydration device is folded spiral shell
Formula sludge dewatering equipment, plate and frame sludge dewatering equipment or belt filter press etc..
Further, it is additionally provided with cooling tower between the preliminary sedimentation tank and the second hydrolysis acidification pool.
A kind of sub-prime shunts treatment method of printing and dying wastewater, use above sub-prime shunting printing and dyeing wastewater treatment system, comprising with
Lower step：
(S1) high-concentration waste water is entered in the first grid canal by high head gravity flow, intercepts the crude fibre in high-concentration waste water and big
Grain material；
(S2) high-concentration waste water in previous step is from flowing in the first regulating reservoir, using blower fan and boring aeration pipe to the
Air is blown in one regulating reservoir, pre-exposure gas disposal is carried out to high-concentration waste water, the partial vulcanization thing in stripping high-concentration waste water；Together
When the first acid solution storage tank to the first regulating reservoir add acid solution, using air agitation, water quality is carried out to high-concentration waste water and the water yield is equal
Change is processed；Moreover, the first hydrolysis acidification pool is back to the high-concentration waste water of the first regulating reservoir and adds high-concentration waste water to carry out with new
Mixing, controls the pH value of new high-concentration waste water, reduces acid solution consumption, the first hydrolysis acidification pool return of waste water than control 50%～
150%；High-concentration waste water 6～12h of hydraulic detention time in the first regulating reservoir；
(S3) high-concentration waste water in previous step is evacuated in the first hydrolysis acidification pool using chemical centrifugal pump, diving is stirred
Mix device to be stirred waste water in pond, the organic matter of indissoluble is decomposed into dissolved organic matter in waste water, macromolecular substances are resolved into
Small-molecule substance；UASB anaerobic reation pools are back in the first hydrolysis acidification pool and mix with the new waste water for adding, and control wastewater pH
Value, UASB anaerobic reation pools return of waste water is than control 50%～200%；High-concentration waste water waterpower in the first hydrolysis acidification pool
12～20h of the time of staying；
(S4) waste water in previous step is evacuated to by UASB anaerobic reation pools using elevator pump, using the micro- life of anaerobism in pond
Thing carries out biochemical treatment, and the organic matter in waste water is decomposed, UASB anaerobic reation pool 1～3d of hydraulic detention time, surface
Hydraulic load is controlled in 0.1～2.0m3/(m2·h)；
(S5) waste water in previous step is entered in the second regulating reservoir by high head gravity flow, and with through the second grid canal thick fibre is separated
The comprehensive wastewater mixing of peacekeeping large particulate matter, is blown into air, to comprehensive using blower fan and boring aeration pipe into the second regulating reservoir
Closing waste water carries out pre-exposure gas disposal, the partial vulcanization thing in stripping comprehensive wastewater；Simultaneously the second acid solution storage tank is to the second regulating reservoir
Acid solution is added, using air agitation, water quality is carried out to comprehensive wastewater and water yield homogenizing is processed；Comprehensive wastewater is in the second regulating reservoir
8～12h of hydraulic detention time；
(S6) waste water in previous step is evacuated to into mixing pit, the sewage treatment drug in medicament storage tank and adjuvant storage tank and
Auxiliary flocculant PAM is added in mixing pit and is uniformly dispersed, comprehensive wastewater 3～10min of the time of staying in mixing pit；
(S7) waste water in previous step flows into preliminary sedimentation tank certainly, the suspended state and colloidal state organic matter in comprehensive wastewater
React with sewage treatment drug and auxiliary flocculant PAM, flocculent deposit is formed in precipitation, the part coloring matter in waste water
It is divested, separates with waste water；2～4h of retention time of sewage, 0.8～1m of surface loading3/(m2·h)；
(S8) the waste water supernatant liquor in previous step proceeds hydrolysis acidification anti-from flowing in the second hydrolysis acidification pool
Should；The time of staying of the waste water in the second hydrolysis acidification pool is 12～20h；
(S9) from flowing in biological contact oxidation pond, air blast is blown into air into pond to the waste water in previous step, utilizes
Organic matter in waste water is carried out oxidation Decomposition by aerobic microbiological, and the time of staying 15 of the waste water in biological contact oxidation pond～
24h；
(S10) waste water in previous step carries out mud-water separation, supernatant qualified discharge, sludge from flowing in second pond
Sludge reflux pond is imported, partial sludge is back in the second hydrolysis acidification pool and biological contact oxidation pond, the second hydrolysis acidification pool
With the sludge that itself is produced in biological contact oxidation pond also in interior circulation, and waste water is processed using the microorganism for carrying,
The sludge accumulation that preliminary sedimentation tank and the second hydrolysis acidification pool are produced to sludge concentration tank is interior after sludge dehydration device processed,
Final outward transport landfill is burned, second pond 0.6～0.8m of surface loading3/(m2H), weir load is less than 1.7L/ms.
Further, the water yield ratio of high-concentration waste water and comprehensive wastewater is 1: 3.
The beneficial effects of the utility model are：
High-concentration waste water Jing the first grid canals, leach and enter after the large particulate matters such as crude fibre the first regulating reservoir.First
In regulating reservoir, acid solution is added to carry out pH value regulation so as to reach suitable acid-base value, be then transferred into the first hydrolysis acidification pool
It is interior.Macromolecular substances are resolved into small-molecule substance by the first hydrolysis acidification pool, improve biodegradability so that after sewage is more suitable for
Continuous process.First hydrolysis acidification pool water outlet enters UASB anaerobic reation pools, the special domestication in UASB anaerobic reation pools
After removing the anaerobic bacteria of PVA, CMC, PVA, the CMC and other organic matters that can preferably degrade in dyeing waste water is conducive to follow-up
PROCESS FOR TREATMENT.Sewage into UASB anaerobic reation pools enters back into the second regulating reservoir through process, mixed with other comprehensive wastewaters
Close, so as to reduce the concentration of overall sewage.
Waste water in second regulating reservoir, adds acid solution to adjust pH value so as to reach suitable acid-base value.Then through being lifted
Pump is promoted to mixing pit and adds composite drug and PAM that the SS in sewage and part coloring matter Jing physical reactions and flocculation sink
Form sediment, remove in preliminary sedimentation tank most of.The supernatant of preliminary sedimentation tank enters the second hydrolysis acidification pool, and macromolecular substances are resolved into into little point
Sub- material, improves biodegradability.It is higher in view of summer water temperature, cooling is increased between preliminary sedimentation tank and the second hydrolysis acidification pool
Tower, it is ensured that subordinate's water temperature is controlled within 40 DEG C, does not affect the microorganism in follow-up biochemical system.Second hydrolysis acidification pool
Water outlet is introduced into anoxic biological contact chamber and carries out aerobic treatment subsequently into biological contact oxidation pond.In anoxic biological
The ammonia nitrogen in waste water is removed in pond, there is the activated sludge for dyeing waste water domestication the inside in biological contact oxidation pond, greatly
Partial solubility COD pollutants are removed in pond.Biological contact oxidation pond water outlet enters second pond, secondary clarifier effluent monitoring
Discharge after up to standard.
A sludge Jing sludge refluxes pond part for second pond is back to the second hydrolysis acidification pool and biological by sludge pump
Oxidation pond, another part excess sludge is delivered to sludge concentration tank by sludge pump.Preliminary sedimentation tank and the first hydrolysis acidification pool, the second water
Also Jing sludge pumps are delivered to sludge concentration tank to the sludge that solution acidification pool is produced, and the sludge in sludge concentration tank is delivered to sludge dewatering
Processed is carried out in machine.
The system that the utility model is related to first is pre-processed to the waste water of high concentration, and waste water is comprehensive at other after pretreatment
Close waste water to handle together, sub-prime triage operator, system Construction expense and operating cost can be reduced, and disclosure satisfy that wastewater treatment will
Ask.
Description of the drawings
Fig. 1 is the structural representation of the utility model printing and dyeing wastewater treatment system.
Specific embodiment
In order that the advantage of the purpose of this utility model and technical scheme becomes more apparent, below in conjunction with accompanying drawing and reality
Example, is further elaborated to the utility model.
As shown in Figure 1, a kind of sub-prime shunts printing and dyeing wastewater treatment system, it is characterised in that including successively using waste pipe
Second grid canal 6, the second regulating reservoir 7, mixing pit 8, preliminary sedimentation tank 9, second hydrolysis acidification pool 10, bio-contact oxidation of 20 connections
Pond 11 and second pond 12, system is also included successively using the first grid canal 1, the first regulating reservoir 2, first water of the connection of waste pipe 20
Connected by waste pipe 20 between solution acidification pool 3 and UASB anaerobic reation pools 4 and the regulating reservoir 7 of UASB anaerobic reation pools 4 and second,
First acid solution storage tank 5 is connected by chemical feed pipe 21 with first regulating reservoir 2, and the second acid solution storage tank 16 is by chemical feed pipe 21 and institute
State the second regulating reservoir 7 to connect, medicament storage tank 18 and adjuvant storage tank 19 are connected respectively by chemical feed pipe 21 with the mixing pit 8, drum
Blower fan 17 is connected by air hose 22 with the biological contact oxidation pond 11, and high-concentration waste water first passes through UASB anaerobic reation pools 4
Converge and process finally from second pond 12 through biological contact oxidation pond 11 with the comprehensive wastewater for flowing into the second regulating reservoir 7 after process
Place realizes qualified discharge, and the sludge in the second pond 12 is flowed successively to sludge reflux pond 13 and sludge condensation by sludge pipe 23
In pond 14, the processed of Jing sludge dehydration devices 15 is finally realized outward transport landfill or is burned, in the UASB anaerobic reation pools 4
Effluent part can be back to the effluent part in the first hydrolysis acidification pool 3, in first hydrolysis acidification pool 3 by waste pipe 20
Can be back in the first regulating reservoir 2 by waste pipe 20, the partial sludge in the sludge reflux pond 13 is by sludge pipe 23 times
Flow in the second hydrolysis acidification pool 10 and biological contact oxidation pond 11, second hydrolysis acidification pool 10 and biological contact oxidation pond
Sludge in 11 also carries out internal circulation flow, the sludge in the hydrolysis acidification pool 10 of the preliminary sedimentation tank 9 and second by sludge pipe 23
By the stream of sludge pipe 23 in sludge concentration tank 14.The regulating reservoir 7 of first regulating reservoir 2 and second includes that elevator pump, perforation expose
Tracheae and blower fan, the first regulating reservoir 2 and the second regulating reservoir 7 adopt underground type reinforced concrete structure, boring aeration pipe to be arranged on
Bottom of pond.The hydrolysis acidification pool 10 of first hydrolysis acidification pool 3 and second include submersible agitator, reflux pump, chemical centrifugal pump and
Hydroformylation fibre synthetic fibre soft-filler, the first hydrolysis acidification pool 3 and the second hydrolysis acidification pool 10 adopt semi-underground type reinforced concrete structure,
Hydroformylation fibre synthetic fibre flexible filler is hung with pond, submersible agitator is arranged on bottom of pond portion.The UASB anaerobic reactions adopt coagulation
Soil is built by laying bricks or stones, and unit volume load is 4～15kgCOD/m3·d.It is provided with the wastewater inlet end of the biological contact oxidation pond 11
One anoxic biological contact oxidation pond, waste water is first passed through after anoxic biological contact oxidation pond is processed and flows into biological contact oxidation pond again
In 11, the sludge concentration of the biological contact oxidation pond 11 is 2500mg/L～5000mg/L, sludge loading 0.5～1 this BOD5/
m3Filler d, available depth 5m.The preliminary sedimentation tank 9 and second pond 12 are half ground type reinforced concrete structure, and bottom of pond is provided with scrapes
Suction dredge and sludge pump.The sludge reflux pond 13 includes agitator and sludge pump, and the sludge dehydration device 15 is folded spiral shell formula
Sludge dewatering equipment either plate and frame sludge dewatering equipment or belt filter press etc..In the hydrolysis acidification pool of the preliminary sedimentation tank 9 and second
Cooling tower 24 is additionally provided between 10.
A kind of sub-prime shunts treatment method of printing and dying wastewater, and using one of the above sub-prime printing and dyeing wastewater treatment system, bag are shunted
Containing following steps：
(S1) high-concentration waste water is entered in the first grid canal 1 by high head gravity flow, intercepts crude fibre in high-concentration waste water and big
Particulate matter；
(S2) high-concentration waste water in previous step is from flowing in the first regulating reservoir 2, using blower fan and boring aeration pipe to
Air is blown in first regulating reservoir 2, pre-exposure gas disposal, the partial vulcanization in stripping high-concentration waste water are carried out to high-concentration waste water
Thing；Simultaneously the first acid solution storage tank 5 adds acid solution to the first regulating reservoir 2, using air agitation, high-concentration waste water is carried out water quality and
The process of water yield homogenizing；Moreover, the first hydrolysis acidification pool 3 is back to the high-concentration waste water of the first regulating reservoir 2 and adds high concentration with new
Waste water is mixed, and controls the pH value of new high-concentration waste water, reduces acid solution consumption, and the return of waste water of the first hydrolysis acidification pool 3 is than control
System is 50%～150%；High-concentration waste water 6～12h of hydraulic detention time in the first regulating reservoir 2；
(S3) high-concentration waste water in previous step is evacuated in the first hydrolysis acidification pool 3 using chemical centrifugal pump, is dived under water
Agitator is stirred to waste water in pond, and the organic matter of indissoluble is decomposed into dissolved organic matter in waste water, and macromolecular substances decompose
Into small-molecule substance；UASB anaerobic reation pools 4 are back in the first hydrolysis acidification pool 3 and mix with the new waste water for adding, and control is useless
Water pH value, the return of waste water of UASB anaerobic reation pools 4 is than control 50%～200%；High-concentration waste water is in the first hydrolysis acidification pool 3
Middle 12～20h of hydraulic detention time；
(S4) waste water in previous step is evacuated to by UASB anaerobic reation pools 4 using elevator pump, it is micro- using the anaerobism in pond
Biology carries out biochemical treatment, and the organic matter in waste water is decomposed, the 1～3d of hydraulic detention time of UASB anaerobic reation pools 4, table
Face hydraulic load is controlled in 0.1～2.0m3/m2·h；
(S5) waste water in previous step is entered in the second regulating reservoir 7 by high head gravity flow, and is separated slightly through the second grid canal 6
The comprehensive wastewater mixing of fiber and large particulate matter, air is blown into using blower fan and boring aeration pipe into the second regulating reservoir 7, right
Comprehensive wastewater carries out pre-exposure gas disposal, the partial vulcanization thing in stripping comprehensive wastewater；Simultaneously the second acid solution storage tank 16 is adjusted to second
Section pond 7 adds acid solution, using air agitation, water quality is carried out to comprehensive wastewater and water yield homogenizing is processed；Comprehensive wastewater is adjusted second
8～12h of hydraulic detention time in section pond 7；
(S6) waste water in previous step is evacuated to into mixing pit 8, the sewage disposal in medicament storage tank 18 and adjuvant storage tank 19
Medicament and auxiliary flocculant PAM are added in mixing pit 8 and are uniformly dispersed, comprehensive wastewater in mixing pit 8 time of staying 3～
10min；
(S7) waste water in previous step is organic from preliminary sedimentation tank 9, the suspended state and colloidal state in comprehensive wastewater is flowed into
Thing reacts with sewage treatment drug and auxiliary flocculant PAM, and flocculent deposit is formed in precipitation, the part coloring matter in waste water
Also it is divested, separates with waste water；2～4h of retention time of sewage, 0.8～1m of surface loading3/m2·h；
(S8) the waste water supernatant liquor in previous step proceeds hydrolysis acidification from flowing in the second hydrolysis acidification pool 10
Reaction；The time of staying of the waste water in the second hydrolysis acidification pool 10 is 12～20h；
(S9) from flowing in biological contact oxidation pond 11, air blast 17 is blown into air to the waste water in previous step into pond,
The organic matter in waste water is carried out into oxidation Decomposition, the time of staying of the waste water in biological contact oxidation pond 11 using aerobic microbiological
15～24h；
(S10) waste water in previous step carries out mud-water separation, standard emission of clear, sludge from flowing in second pond 12
Sludge reflux pond 13 is imported, partial sludge is back in the second hydrolysis acidification pool 10 and biological contact oxidation pond 11, the second hydrolysis
The sludge that itself is produced in acidification pool 10 and biological contact oxidation pond 11 utilizes the microorganism for carrying to waste water also in interior circulation
Processed, through sludge dewatering in the sludge accumulation that 9 and second hydrolysis acidification pool of preliminary sedimentation tank 10 is produced to sludge concentration tank 14
After the processed of equipment 15, final outward transport is filled or burned, the 0.6～0.8m of surface loading of second pond 123/m2H, weir load
Less than 1.7L/ms.
Disposal effect of dyeing wastewater using the system is as follows：
High-concentration waste water influent COD cr：15000mg/L；
The ratio of the water yield of high-concentration waste water and comprehensive wastewater is substantially：1∶3
With COD after the high-concentration waste water and comprehensive wastewater synthesis for having processedcr：2124.38mg/L
Operating cost can be reduced Jing after process above process, it is ensured that final outflow water emission compliance.
Claims (8)
1. a kind of sub-prime shunts printing and dyeing wastewater treatment system, it is characterised in that including adopt waste pipe (20) to connect successively second
Grid canal (6), the second regulating reservoir (7), mixing pit (8), preliminary sedimentation tank (9), the second hydrolysis acidification pool (10), biological contact oxidation pond
(11) and second pond (12), system is also included successively using the first grid canal (1), first regulating reservoir of waste pipe (20) connection
(2), the first hydrolysis acidification pool (3) and UASB anaerobic reation pools (4) and UASB anaerobic reation pools (4) and the second regulating reservoir (7) it
Between connected by waste pipe (20), the first acid solution storage tank (5) is connected by chemical feed pipe (21) with first regulating reservoir (2), the
Two acid solution storage tanks (16) are connected by chemical feed pipe (21) with second regulating reservoir (7), medicament storage tank (18) and adjuvant storage tank
(19) it is connected with the mixing pit (8) by chemical feed pipe (21) respectively, air blast (17) is by air hose (22) and the biology
Contact-oxidation pool (11) connect, high-concentration waste water first pass through UASB anaerobic reation pools (4) process after with flow into the second regulating reservoir (7)
Comprehensive wastewater converge and through biological contact oxidation pond (11) process finally realize qualified discharge from from second pond (12), it is described
Sludge in second pond (12) is flowed successively in sludge reflux pond (13) and sludge concentration tank (14) by sludge pipe (23), and Jing is dirty
Mud dehydration device (15) processed finally realizes outward transport landfill or burns that the part in the UASB anaerobic reation pools (4) is given up
Water can be back in the first hydrolysis acidification pool (3) by waste pipe (20), the effluent part in first hydrolysis acidification pool (3)
Can be back in the first regulating reservoir (2) by waste pipe (20), the partial sludge in the sludge reflux pond (13) passes through sludge
It is interior that pipe (23) is back to the second hydrolysis acidification pool (10) and biological contact oxidation pond (11), second hydrolysis acidification pool (10) and
Sludge in biological contact oxidation pond (11) also carries out internal circulation flow, the preliminary sedimentation tank (9) and second by sludge pipe (23)
Sludge in hydrolysis acidification pool (10) is by sludge pipe (23) stream in sludge concentration tank (14).
2. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：Described first is adjusted
Pond (2) and the second regulating reservoir (7) include elevator pump, boring aeration pipe and blower fan, the first regulating reservoir (2) and the second regulating reservoir (7)
Using underground type reinforced concrete structure, boring aeration pipe is arranged on bottom of pond.
3. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：First hydrolysis
Fine synthetic fibre is soft fills out including submersible agitator, reflux pump, chemical centrifugal pump and hydroformylation for acidification pool (3) and the second hydrolysis acidification pool (10)
Material, the first hydrolysis acidification pool (3) and the second hydrolysis acidification pool (10) are hung using semi-underground type reinforced concrete structure in pond
There is hydroformylation fibre synthetic fibre flexible filler, submersible agitator is arranged on bottom of pond portion.
4. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：The UASB anaerobism
Reaction tank (4) adopts concrete masonry units, and unit volume load is 4～15kgCOD/m3·d。
5. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：Connect in the biology
The wastewater inlet end of tactile oxidation pond (11) is provided with an anoxic biological contact oxidation pond, and waste water first passes through anoxic bio-contact oxidation
Pond flows into again in biological contact oxidation pond (11) after processing, and the sludge concentration of the biological contact oxidation pond (11) is 2500mg/L
～5000mg/L, 0.5～1kgBOD of sludge loading5/(m3Filler d), available depth 5m.
6. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：The preliminary sedimentation tank
(9) and second pond (12) is half ground type reinforced concrete structure, bottom of pond is provided with suction mud scraper and sludge pump.
7. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：The sludge reflux
Pond (13) is including sludge circulation pump and sludge pump；The sludge dehydration device (15) is Stacked sludge dewatering machine, plate and frame dirty
Mud dewaterer or belt filter press.
8. a kind of sub-prime according to claim 1 shunts printing and dyeing wastewater treatment system, it is characterised in that：In the preliminary sedimentation tank
(9) cooling tower (24) is additionally provided with and the second hydrolysis acidification pool (10) between.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495392A (en) * | 2016-09-29 | 2017-03-15 | 绵阳市科学城红杉科技有限责任公司 | A kind of sub-prime shunting printing and dyeing wastewater treatment system and method |
| CN110015810A (en) * | 2019-04-01 | 2019-07-16 | 江苏道明化学有限公司 | A kind of method of novel precipitating discharge of wastewater |
| CN110255729A (en) * | 2019-07-02 | 2019-09-20 | 山东宾利环保科技有限公司 | The closed circulation Zero discharging system and technique of zero discharge of a kind of waste water and application |
| CN110642430A (en) * | 2019-10-31 | 2020-01-03 | 重庆雅丽洁环保产业发展有限公司 | Treatment process of chromium-containing wastewater |
-
2016
- 2016-09-29 CN CN201621089746.5U patent/CN206089364U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106495392A (en) * | 2016-09-29 | 2017-03-15 | 绵阳市科学城红杉科技有限责任公司 | A kind of sub-prime shunting printing and dyeing wastewater treatment system and method |
| CN110015810A (en) * | 2019-04-01 | 2019-07-16 | 江苏道明化学有限公司 | A kind of method of novel precipitating discharge of wastewater |
| CN110255729A (en) * | 2019-07-02 | 2019-09-20 | 山东宾利环保科技有限公司 | The closed circulation Zero discharging system and technique of zero discharge of a kind of waste water and application |
| CN110642430A (en) * | 2019-10-31 | 2020-01-03 | 重庆雅丽洁环保产业发展有限公司 | Treatment process of chromium-containing wastewater |
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