CN106045101A - Pickling liquor waste water circulating reuse treatment device used in hair product industry and operating method thereof - Google Patents
Pickling liquor waste water circulating reuse treatment device used in hair product industry and operating method thereof Download PDFInfo
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- CN106045101A CN106045101A CN201610372033.8A CN201610372033A CN106045101A CN 106045101 A CN106045101 A CN 106045101A CN 201610372033 A CN201610372033 A CN 201610372033A CN 106045101 A CN106045101 A CN 106045101A
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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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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Abstract
The invention discloses a pickling liquor waste water circulating reuse treatment device used in the hair product industry and an operating method thereof and belongs to the technical field of pickling liquor waste water treatment. According to the technical scheme, the pickling liquor waste water circulating reuse treatment device used in the hair product industry is characterized by comprising an acid pickling waste liquor pool, a flushing waste water pool, a pickling liquor waste water pool, a regulation pool, a screen filtering device, a liquor storage tank, a booster pump, a self-cleaning filter, an anti-bacterial modified photocatalytic ultra-filtration membrane device, an acid liquor storage tank and a flushing liquor storage tank. By adopting a regulation tank sediment-screen filtration-self-cleaning filtration-anti-bacterial modified photocatalytic ultra-filtration integrated process, it is achieved that the pickling liquor waste water can be reused after being subjected to in-situ water quality improvement, the repeated utilization rate of pickling liquor is 60% or above, fresh water consumption and acid consumption are reduced, the product quality is ensured, the operating cost is reduced, and environmental protection pressure is decreased.
Description
Technical field
The invention belongs to pickling liquid technical field of waste water processing, be specifically related to a kind of hair product industry pickling liquid waste water circulation
Recycling and processing equipment and operation method thereof.
Background technology
Employing substantial amounts of chemical agent in the wig course of processing, these chemical component are complicated and of a great variety.At present
Most of wig manufacturers often do not carry out effective purified treatment to the waste water produced in production process and are just discharged,
And the most of compositions effect toxic to aqueous bio in these waste discharges, serious environment pollution.For hair product industry
The discharge of waste water intermittence, acid-base value change greatly, high chroma and complicated component, ammonia-nitrogen content height, carbon-nitrogen ratio is low, biodegradability is poor,
Water quality and quantity stability is low and water temperature high, from reducing water consumption production process, improving raw materials for production utilization rate, reinforcement
In-process waste water quality promotes and reclamation rate and realize several aspects such as inter process waste water step reuse and carry out water-saving and emission-reducing and grind
Study carefully, be the water saving that target carries out in hair product industry production process with " few input-many reuses-few discharge " (two few principles more than)
Emission-reduction technology research is highly important.The generation of hair product industry waste water essentially from pickling, neutralize, rinse, rinse, boil
Only, dye and postprocessing working procedures, as shown in Figure 1.
Owing to adding a large amount of NaClO, (dense) H during pickling zone2SO4、H2O2With sodium pyrophosphate etc., simultaneously human body
Hair can come off hair jelly, oils and fats, glue protein and vitamin etc. in the course of processing, therefore pickling liquid complicated component and biodegradability
Difference, the toxic effect possible to microorganism of some material, the growth of suppression microorganism.Directly rinse with clear water after peracid, waste water
Generation amount is big, and data shows, pickling zone pickling liquid (including acid waste liquid and flushing waste water) draining accounts for hair products waste liquid and always arranges
The ratio of putting is 12.2%, and in the existing pickling zone of hair product industry, crosses acid waste liquid and use waste emission after first use,
While consuming great lot of water resources and chemicals production raw material, discharge the waste water of a large amount of severe chemical contamination again, or contain
The solid waste sent out based on broken wool.Washing ring is saved faucet and is directly rinsed, and water resources consumption amount is big, waste water generation amount
Greatly, wastewater utilization is not accounted for.This is for water resource area the most in short supply, while industrial economy develops, but
Result in consuming excessively and wasting of resource, environment is heavily contaminated, so that industrial development is lost reserve strength and is difficult to continue.
Paddle according to the existing production technology of hair product industry, relate to dirty Current Situation diagnostic result, particularly pickling zone in pickling liquid give up
The discharge characteristics of water, integrated based on antibacterial Modified Membrane technology, build the hair product industry leaching ensured under product quality premise
Acid solution water quality promotes and reuse technology technical scheme in situ, has highly important economic benefit and environmental benefit.Sending out at present
Arts, retrieves the pertinent literature less than pickling liquid Recycle Technology of Waste Water in relevant data document.Publication No.
The patent of CN103663752A discloses a kind of fur pickling liquid Circulation reusing and treating device and technique, proposes pickling liquid pump and enters useless
The filtration system of liquid circulating processor, first leaches impurity such as the fur bits in waste liquid, and after filter, waste liquid flows into reserving liquid tank, and part is useless
Liquid mixes with molten gas, then distributes through water distribution system, flows into another paddle-tumble, and air supporting scrapes slag with paddle-tumble stirring paddle after completing, and removes useless
Oils and fats in water, the remaining impurity such as macerating enzyme and float, the pickling liquid after testing, after modulation is for the leaching of next group fur
Acid.This technique has the zero-emission that can realize pickling liquid, reduces the consumption of material, and ensures the advantages such as product quality.If but
When the method processes hair product industry pickling liquid, mechanism is difficult to constituting colourity, CODCr, ammonia nitrogen and BOD5Grain in main source
The impurity such as the Organic substance of footpath≤0.45 μm, microorganism and antibacterial realize effectively removing, thus cause water in hair products pickling liquid
After reuse, it is impossible to realize ensureing the purpose of product quality.The process technique of the waste water of China's hair products production at present has coagulation-gas
Floating-HA-SBR Process (SBR)-filtration-Ozonation, coagulating sedimentation-hydrolysis acidification-biological
Oxidation-sand filtration method and hydrolysis acidification-bio-contact oxidation-coagulation-air floatation.But above-mentioned PROCESS FOR TREATMENT effect undulatory property is big, change
Learn additive amount of medicament greatly and directly to discharge after processing, do not meet cleaning production requirement.
Summary of the invention
The present invention solves in existing hair product industry pickling liquid waste water discarded after pickling liquid first use, both wasted production
Raw material, again to problems such as environment have a negative impact, it is provided that a kind of hair product industry pickling liquid waste water circulation Treatment for Reuse dress
Putting and operation method, it uses regulating reservoir precipitation-screen filtration-self-cleaning filtering-antibacterial integrated work of modified photocatalytic ultrafiltration
Skill, it is achieved pickling liquid waste water gets final product reuse, pickling liquid recycling rate of waterused >=60% after original position water quality promotes, and reduces fresh water
Consumption and the consumption of acid material, and ensure product quality.
The present invention solves that above-mentioned technical problem adopts the following technical scheme that, a kind of hair product industry pickling liquid waste water circulation
Recycling and processing equipment, it is characterised in that include pickle liquor pond, flushing waste water pond, pickling liquid wastewater disposal basin, regulating reservoir, screen filtration
Device, reserving liquid tank, booster pump, self-cleaning filter, antibacterial modified photocatalytic ultra-filtration membrane device, excessively acid solution reserving liquid tank and flushing liquor
Reserving liquid tank, wherein the inlet in pickle liquor pond is connected with the liquid outlet of pickling machine, the inlet in flushing waste water pond and flushing
The liquid outlet of device is connected, the liquid outlet in pickle liquor pond and the liquid outlet in flushing waste water pond respectively with pickling liquid wastewater disposal basin
Inlet is connected, and the liquid outlet of pickling liquid wastewater disposal basin is connected with the inlet of regulating reservoir, the liquid outlet of regulating reservoir and screening
The mouth at night that enters of defecator is connected, and the liquid outlet of screening defecator is connected with the inlet of reserving liquid tank, going out of reserving liquid tank
Liquid mouth is connected with the inlet of self-cleaning filter by booster pump, and the liquid outlet of self-cleaning filter is urged with antibacterial modified light
Change ultra-filtration membrane device inlet be connected, the liquid outlet of antibacterial modified photocatalytic ultra-filtration membrane device respectively with cross acid solution reserving liquid tank
Inlet be connected with the inlet of flushing liquor reserving liquid tank, cross acid solution reserving liquid tank liquid outlet be connected with the inlet of pickling machine
Connecing, this is crossed acid solution reserving liquid tank and is connected with pickling drug reservoir tank by dosing pump, the liquid outlet of flushing liquor reserving liquid tank and flushing
The inlet of device is connected, and this flushing liquor reserving liquid tank is connected with clear water reserviors by water pump.
Further preferably, described screen filtration device is sequentially provided with water-locator from top to bottom, turns brush and drag for mao machine and curved surface
Screen cloth, water-locator is connected with the inlet of screen filtration device, turns brush and drags for the brooming radian of mao machine and the radian of curved surface screen cloth
Consistent, the opening diameter of curved surface screen cloth is 1-3mm, and percent opening is 5%-20%.
Further preferably, described self-cleaning filter is the stacked self-cleaning filter filtering card≤20 μm, its
Material is acidproof plastics, and this stacked self-cleaning filter is for removing the suspended particulate substance colloid of particle diameter >=20 μm in water inlet.
Further preferably, the described antibacterial modified photocatalytic ultrafilter membrane in antibacterial modified photocatalytic ultra-filtration membrane device is to adopt
By the unsymmetric structure hollow fiber ultrafiltration membrane of biocidal property nano material Ag-carried nanometer titanium dioxide Yu polyacrylonitrile blended synthesis,
Nano material Ag-carried nanometer titanium dioxide is uniformly distributed in ultrafilter membrane.
The operation method of hair product industry pickling liquid waste water circulation recycling and processing equipment of the present invention, it is characterised in that
Carrying out practically process is:
Step (1), tiles the raw material hair growth promoting in hair growth promoting processing unit (plant) and puts into pickling machine, be soaked in 2-5min in pickling liquid,
Peracid is placed in flusher and rinses with clear water, and the pickle liquor that pickling machine produces enters pickle liquor pond, and flusher produces
Raw flushing waste water enters flushing waste water pond, the pickle liquor in pickle liquor pond and the flushing waste water in flushing waste water pond and enters
In pickling liquid wastewater disposal basin；
Step (2), the pickling liquid waste water in pickling liquid wastewater disposal basin enters regulating reservoir by cornerwise inlet method, and pickling liquid gives up
The water time of staying in regulating reservoir is 3-24h, and for precipitating the residue in pickling liquid waste water, the regulating reservoir water outlet after clarification is led to
Cross water pump and entered screen filtration device by the water-locator on screen filtration device top, for filter oils and fats in regulating reservoir water outlet and
Hair slag class float, after filter, waste water enters reserving liquid tank；
Step (3), after the filter in reserving liquid tank, the intensified pump of waste water enters self-cleaning filter, the filtering table of this self-cleaning filter
Face≤20 μm, for removing the suspended particulate substance colloid of particle diameter >=20 μm in water inlet；
Step (4), self-cleaning filter water outlet enters antibacterial modified photocatalytic ultra-filtration membrane device, this antibacterial modified photocatalytic ultrafiltration
Film device uses cross-flow operation mode, and operation pressure is 0.05-0.12MPa, film permeant flux >=100L/ (m2H), antibacterial change
Property photocatalysis ultra-filtration membrane device in antibacterial modified photocatalytic ultrafilter membrane be use biocidal property nano material silver-carrying nano titanium dioxide
Titanium and the unsymmetric structure hollow fiber ultrafiltration membrane of polyacrylonitrile blended synthesis, nano material Ag-carried nanometer titanium dioxide uniformly divides
Being distributed in ultrafilter membrane, the molecule that retains of antibacterial modified photocatalytic ultrafilter membrane is >=10000 dalton, is used for removing cleaned filter
Float, antibacterial and macromolecule Organic substance in water outlet, the effluent color dilution of antibacterial modified photocatalytic ultrafilter membrane < 5.0, turbidity <
0.1NTU；
Step (5), the antibacterial a part of water outlet of modified photocatalytic ultra-filtration membrane device entered in acid solution reserving liquid tank, and passed through dosing pump
As the peracid step feedwater of pickling workshop section after directly or mixing with pickling liquid after adding pickling medicament adjusting, send out for next batch
The pickling of goods processes, and antibacterial modified photocatalytic ultra-filtration membrane device another part water outlet enters flushing liquor reserving liquid tank, and passes through water
Pump feeds water as pickling workshop section rinsing step, for next batch after directly or mixing with clear water flushing liquor after adding clear water regulation
The flushing of hair products processes, and flushing liquor reserving liquid tank flushing process remaining liq enters lower one treatment process and processes.
Further preferably, described pickling liquid waste water comes from animal hair or chemical fibre carries out sending out of wig processing and makes
Product pickling zone, specifically includes the pickle liquor of peracid step and the flushing waste water of rinsing step, the colourity of pickling liquid waste water and
PH value is respectively 5-100 and 1.0-4.0, float, COD in pickling liquid waste waterCr, ammonia nitrogen and BOD5Content be respectively 10-
500mg/L, 100-2000mg/L, 5-100mg/L and 5-500mg/L, BOD5/CODCrFor 0.05-0.3.
Further preferably, the water inlet bacterial concentration of described antibacterial modified photocatalytic ultra-filtration membrane device is 103-106CFU/
ML, bacteriostasis rate >=50% of antibacterial modified photocatalytic ultrafilter membrane, to COD in water inletCr、BOD5, the clearance of colourity and float divides
Not >=80%, >=80%, >=90% and >=90%, water outlet pH is 1-4.Described antibacterial modified photocatalytic ultrafilter membrane carries out bacteriostasis property
During test, selecting gram negative bacteria escherichia coli is indicator strain, the film being cut into 5mm disk is added bacterial concentration and is
106In the bacteria suspension of CFU/mL, after (200r/min) cultivates 18h at 37 DEG C in shaking table, use stepwise dilution method dilution 101-
106Times, and carry out count plate by flat band method.Bacteriostasis rate computing formula is:, wherein Y is that film is to greatly
The bacteriostasis rate of enterobacteria, %；WtFor being not added with the blank product flat-plate bacterial colony number of membrane sample；QtFor laboratory sample flat-plate bacterial colony number.
Further preferably, the single loop of described hair product industry pickling liquid waste water circulation recycling and processing equipment was run
Recycling rate of waterused >=60% of journey leaching acid solution.
The present invention compared with prior art has the advantages that
1, reducing the impact on environment, conventional processes needs to add a large amount of acidic chemical in prepared by the pickling liquid of every batch
Reagent (such as hypochlorous acid, sulphuric acid etc.), and final with concentrated water discharge, no matter which kind of emission scenary, the most all can produce environment
Raw adverse effect, after using hyperfiltration technique, acid adding amount will be greatly reduced, thus alleviate ambient pressure；
2, cost reduces, and pickling liquid makes water totle drilling cost respectively by antibacterial modified photocatalytic device for ultrafiltration membrane depreciation cost, the electricity charge, medicament
Cleaning charge use, labour cost and plant maintenance expense composition, general expenses cost is respectively≤0.487 yuan/m3,≤0.066 yuan/m3、
0≤.058 unit/m3,≤0.125 yuan/m3With≤0.731 yuan/m3, pickling liquid makes water totle drilling cost≤1.47 yuan/m3；
3, the hair product industry pickling liquid waste water circulation reuse treatment process of the present invention, promotes through original position water quality pickling liquid waste water
Rear reuse, can realize recycling rate of waterused >=60% of pickling liquid, effectively saves fresh water consumption, reduces the discharge of pollutant, reduces
The consumption of material, and ensure product quality；
4, the main body of hair product industry pickling liquid waste water circulation recycling and processing equipment of the present invention and corollary equipment compact conformation, function
Complete, easily operate maintenance, arrangement mode can be with flexible combination, and described antibacterial modified photocatalytic ultra-filtration membrane device may replace tradition
Processing the multiple steps in technique, space availability ratio is high, compared with conventional processes, can save the space of about 50%, and grasp
Make simple and reliable process, convenient management.
Accompanying drawing explanation
Fig. 1 is the process chart of prior art；
Fig. 2 is the process chart of the present invention.
In figure: 1, hair growth promoting processing unit (plant), 2, pickling machine, 3, pickle liquor pond, 4, flusher, 5, flushing waste water pond, 6,
Pickling liquid wastewater disposal basin, 7, regulating reservoir, 8, screen filtration device, 9, reserving liquid tank, 10, booster pump, 11, self-cleaning filter, 12, press down
Bacterium modified photocatalytic ultra-filtration membrane device, 13, cross acid solution reserving liquid tank, 14, flushing liquor reserving liquid tank.
Detailed description of the invention
By the following examples the foregoing of the present invention is described in further details, but this should be interpreted as this
The scope inventing above-mentioned theme is only limitted to below example, and all technology realized based on foregoing of the present invention belong to this
Bright scope.
As in figure 2 it is shown, the hair product industry pickling liquid waste water circulation recycling and processing equipment of the present invention includes pickle liquor pond
3, flushing waste water pond 5, pickling liquid wastewater disposal basin 6, regulating reservoir 7, screen filtration device 8, reserving liquid tank 9, booster pump 10, self-cleaning filtering
Device 11, antibacterial modified photocatalytic ultra-filtration membrane device 12, excessively acid solution reserving liquid tank 13 and flushing liquor reserving liquid tank 14, hair growth promoting processing unit (plant) 1
Being connected with pickling machine 2, for raw material hair growth promoting being transported in pickling machine 2, the inlet in pickle liquor pond 3 goes out with pickling machine 2
Liquid mouth is connected, and the inlet in flushing waste water pond 5 is connected with the liquid outlet of flusher 4, the liquid outlet in pickle liquor pond 3 and
The liquid outlet in flushing waste water pond 5 inlet with pickling liquid wastewater disposal basin 6 respectively is connected, the liquid outlet of pickling liquid wastewater disposal basin 6 with
The inlet of regulating reservoir 7 is connected, and the liquid outlet of regulating reservoir 7 is connected with the mouth at night that enters of screening defecator 8, and dress is filtered in screening
Putting the liquid outlet of 8 to be connected with the inlet of reserving liquid tank 9, the liquid outlet of reserving liquid tank 9 passes through booster pump 10 and self-cleaning filter
The inlet of 11 is connected, the inlet phase of the liquid outlet of self-cleaning filter 11 and antibacterial modified photocatalytic ultra-filtration membrane device 12
Connecting, the liquid outlet of antibacterial modified photocatalytic ultra-filtration membrane device 12 stores up with the inlet and flushing liquor crossing acid solution reserving liquid tank 13 respectively
The inlet of liquid case 14 is connected, and the liquid outlet crossing acid solution reserving liquid tank 13 is connected with the inlet of pickling machine 2, and this crosses acid solution storage
Liquid case 13 is connected with pickling drug reservoir tank by dosing pump, and the liquid outlet of flushing liquor reserving liquid tank 14 enters with flusher 4
Liquid mouth is connected, and this flushing liquor reserving liquid tank 14 is connected with clear water reserviors by water pump.Wherein screen filtration device 8 depends on from top to bottom
Secondary being provided with water-locator, turn brush and drag for mao machine and curved surface screen cloth, water-locator is connected with the inlet of screen filtration device 8, turns brush and drags for
The brooming radian of hair machine is consistent with the radian of curved surface screen cloth, and the opening diameter of curved surface screen cloth is 1-3mm, and percent opening is 5%-
20%；Self-cleaning filter 11 is the stacked self-cleaning filter filtering card≤20 μm, and its material is acidproof plastics, and this is folded
Chip self-cleaning filter is for removing the suspended particulate substance colloid of particle diameter >=20 μm in water inlet；Antibacterial modified photocatalytic ultrafilter membrane
Antibacterial modified photocatalytic ultrafilter membrane in device 12 is to use biocidal property nano material Ag-carried nanometer titanium dioxide and polyacrylonitrile
The unsymmetric structure hollow fiber ultrafiltration membrane of synthesis is blended, and nano material Ag-carried nanometer titanium dioxide is uniformly distributed in ultrafilter membrane
In.
Embodiment 1
Raw material hair growth promoting tiling is put into pickling machine, and at 200L pickling liquid, (effective ingredient is H2SO4, HClO) in pickling processes
5min, rinses with 2 tons of clear water after peracid, and producing acid waste liquid and pH value excessively that pH value is 2.0 respectively is the flushing waste water of 3.5, mixed
Being the pickling liquid waste water 2.2 tons that pH value is 2.5 after conjunction, account for the 12.2% of this batch hair product waste water total release, pickling liquid gives up
Colourity in water is 44.6, float, CODCr, ammonia nitrogen and BOD5Content be respectively 168mg/L, 507mg/L, 25mg/L and
38.5mg/L, BOD5/CODCrIt is 0.08.Pickling liquid waste water uses after precipitating 24h in cornerwise water intake mode entrance regulating reservoir
The screen filtration device that entrance curved surface screen cloth opening diameter is 1.5mm, percent opening is 20%, subsequently into reserving liquid tank more intensified
Pump sequentially enters and filters self-cleaning filter that card is 8 μm and containing the antibacterial modified light of the polyacrylonitrile of Ag-carried nanometer titanium dioxide
Catalysis ultra-filtration membrane device, in self-cleaning filter water outlet, the concentration of antibacterial is 5 × 104CFU/m, antibacterial modified photocatalytic ultrafilter membrane
Device uses cross-flow operation condition, and producing Water Sproading rate is 90%, and operation pressure is 0.08Mpa, and the bacteriostasis rate of ultrafilter membrane is 56.4%,
Permeant flux is 238L/ (m2H), to the COD in water inletCr、BOD5, the clearance of colourity and float be respectively 86.7%,
89.5%, 95.4% and 98.5%, and the pH value of ultra-filtration water is still about 2.5, is held essentially constant, the colourity producing water is 2.1,
Float, CODCrAnd BOD5Content is respectively 2.5mg/L, 67mg/L and 4.1mg/L.
0.2 ton of ultrafiltration is produced water and was entered acid solution reserving liquid tank, when interpolation pickling medicine to pH value is 1.8, uses as pickling liquid
Pickling in next batch hair products processes；When 2.0 tons of ultrafiltration product water interpolation clear water to pH value are 3.0, it is used for as flushing liquor
The flushing of next batch hair products processes, and ensures product quality, and flushing liquor reserving liquid tank flushing process remaining liq enters next
Road treatment process processes.It is 1.16 yuan/ton that whole link pickling liquid makes water totle drilling cost.
Embodiment 2
Raw material hair growth promoting tiling is put into pickling machine, and at 200L pickling liquid, (effective ingredient is H2SO4, HClO) in pickling processes
3min, rinses with 2 tons of clear water after peracid, and producing acid waste liquid and pH value excessively that pH value is 2.4 respectively is the flushing waste water of 4.0, mixed
It is the pickling liquid waste water 2.2 tons that pH value is 3.0 after conjunction, accounts for the 8% of this batch hair product waste water total release, pickling liquid waste water
Colourity be 80, float, CODCr, ammonia nitrogen and BOD5Content be respectively 136mg/L, 1449mg/L, 25mg/L and 57.3mg/
L, BOD5/CODCrIt is 0.04.Pickling liquid waste water uses cornerwise water intake mode to enter curved surface sieve after entering regulating reservoir precipitation 10h
The screen filtration device that net opening diameter is 3mm, percent opening is 5%, subsequently into reserving liquid tank, more intensified pump sequentially entered
Filter disc face is the self-cleaning filter of 10 μm and containing the polyacrylonitrile antibacterial modified photocatalytic ultrafilter membrane of Ag-carried nanometer titanium dioxide
Device, it is 8.5 × 10 that self-cleaning filter produces the concentration of antibacterial in water5CFU/mL, the polypropylene containing Ag-carried nanometer titanium dioxide
Nitrile antibacterial modified photocatalytic ultra-filtration membrane device uses cross-flow operation condition, and producing Water Sproading rate is 90%, and operation pressure is 0.09Mpa,
The bacteriostasis rate of ultrafilter membrane is 51.2%, and permeant flux is 217L/ (m2H), to the COD in water inletCr、BOD5, colourity and float
Clearance be respectively 81.4%, 83.6%, 94.1% and 98.3%, and the pH value of ultra-filtration water is still about 3.0, basic keeps not
Becoming, the colourity producing water is 4.7, float, CODCrAnd BOD5Content is respectively 2.3mg/L, 270mg/L and 9.4mg/L.
0.2 ton of ultrafiltration is produced water and was entered acid solution reserving liquid tank, when interpolation pickling medicine to pH value is 1.8, uses as pickling liquid
Pickling in next batch hair products processes；When 2.0 tons of ultrafiltration product water interpolation clear water to pH value are 3.5, it is used for as flushing liquor
The flushing of next batch hair products processes, and ensures product quality, and flushing liquor reserving liquid tank flushing process remaining liq enters next
Road treatment process processes.It is 1.47 yuan/ton that whole link pickling liquid makes water totle drilling cost.
Embodiment above describes the ultimate principle of the present invention, principal character and advantage, the technical staff of the industry should
Understanding, the present invention is not restricted to the described embodiments, and the simply explanation present invention's described in above-described embodiment and description is former
Reason, under the scope without departing from the principle of the invention, the present invention also has various changes and modifications, and these changes and improvements each fall within
In the scope of protection of the invention.
Claims (8)
1. a hair product industry pickling liquid waste water circulation recycling and processing equipment, it is characterised in that include pickle liquor pond, flushing
Wastewater disposal basin, pickling liquid wastewater disposal basin, regulating reservoir, screen filtration device, reserving liquid tank, booster pump, self-cleaning filter, antibacterial modified light
Catalysis ultra-filtration membrane device, cross acid solution reserving liquid tank and flushing liquor reserving liquid tank, wherein the going out of the inlet in pickle liquor pond and pickling machine
Liquid mouth is connected, and the inlet in flushing waste water pond is connected with the liquid outlet of flusher, the liquid outlet in pickle liquor pond and punching
Wash the liquid outlet of the wastewater disposal basin inlet respectively with pickling liquid wastewater disposal basin to be connected, the liquid outlet of pickling liquid wastewater disposal basin and regulating reservoir
Inlet be connected, the liquid outlet of regulating reservoir with screening defecator the mouth at night that enters be connected, screening defecator go out liquid
Mouth is connected with the inlet of reserving liquid tank, and the liquid outlet of reserving liquid tank is connected with the inlet of self-cleaning filter by booster pump
Connecing, the liquid outlet of self-cleaning filter is connected with the inlet of antibacterial modified photocatalytic ultra-filtration membrane device, and antibacterial modified light is urged
The liquid outlet changing ultra-filtration membrane device is connected with the inlet of acid solution reserving liquid tank excessively and the inlet of flushing liquor reserving liquid tank respectively, mistake
The liquid outlet of acid solution reserving liquid tank is connected with the inlet of pickling machine, and this is crossed acid solution reserving liquid tank and is stored up with pickling medicine by dosing pump
Medicinal cupping is connected, and the liquid outlet of flushing liquor reserving liquid tank is connected with the inlet of flusher, and this flushing liquor reserving liquid tank passes through water
Pump is connected with clear water reserviors.
Hair product industry pickling liquid waste water circulation recycling and processing equipment the most according to claim 1, it is characterised in that: described
Screen filtration device be sequentially provided with water-locator from top to bottom, turn brush and drag for mao machine and curved surface screen cloth, water-locator fills with screen filtration
The inlet put is connected, and the brooming radian that turn brush drags for mao machine is consistent with the radian of curved surface screen cloth, and the perforate of curved surface screen cloth is straight
Footpath is 1-3mm, and percent opening is 5%-20%.
Hair product industry pickling liquid waste water circulation recycling and processing equipment the most according to claim 1, it is characterised in that: described
Self-cleaning filter be the stacked self-cleaning filter filtering card≤20 μm, its material is acidproof plastics, and this is stacked
Self-cleaning filter is for removing the suspended particulate substance colloid of particle diameter >=20 μm in water inlet.
Hair product industry pickling liquid waste water circulation recycling and processing equipment the most according to claim 1, it is characterised in that: described
Antibacterial modified photocatalytic ultra-filtration membrane device in antibacterial modified photocatalytic ultrafilter membrane be use biocidal property nano material carry silver receive
Rice titanium dioxide and the unsymmetric structure hollow fiber ultrafiltration membrane of polyacrylonitrile blended synthesis, nano material silver-carrying nano titanium dioxide
Titanium is uniformly distributed in ultrafilter membrane.
5. an operation method for the hair product industry pickling liquid waste water circulation recycling and processing equipment described in claim 1, it is special
Levy and be that carrying out practically process is:
Step (1), tiles the raw material hair growth promoting in hair growth promoting processing unit (plant) and puts into pickling machine, be soaked in 2-5min in pickling liquid,
Peracid is placed in flusher and rinses with clear water, and the pickle liquor that pickling machine produces enters pickle liquor pond, and flusher produces
Raw flushing waste water enters flushing waste water pond, the pickle liquor in pickle liquor pond and the flushing waste water in flushing waste water pond and enters
In pickling liquid wastewater disposal basin；
Step (2), the pickling liquid waste water in pickling liquid wastewater disposal basin enters regulating reservoir by cornerwise inlet method, and pickling liquid gives up
The water time of staying in regulating reservoir is 3-24h, and for precipitating the residue in pickling liquid waste water, the regulating reservoir water outlet after clarification is led to
Cross water pump and entered screen filtration device by the water-locator on screen filtration device top, for filter oils and fats in regulating reservoir water outlet and
Hair slag class float, after filter, waste water enters reserving liquid tank；
Step (3), after the filter in reserving liquid tank, the intensified pump of waste water enters self-cleaning filter, the filtering table of this self-cleaning filter
Face≤20 μm, for removing the suspended particulate substance colloid of particle diameter >=20 μm in water inlet；
Step (4), self-cleaning filter water outlet enters antibacterial modified photocatalytic ultra-filtration membrane device, this antibacterial modified photocatalytic ultrafiltration
Film device uses cross-flow operation mode, and operation pressure is 0.05-0.12MPa, film permeant flux >=100L/ (m2H), antibacterial change
Property photocatalysis ultra-filtration membrane device in antibacterial modified photocatalytic ultrafilter membrane be use biocidal property nano material silver-carrying nano titanium dioxide
Titanium and the unsymmetric structure hollow fiber ultrafiltration membrane of polyacrylonitrile blended synthesis, nano material Ag-carried nanometer titanium dioxide uniformly divides
Being distributed in ultrafilter membrane, the molecule that retains of antibacterial modified photocatalytic ultrafilter membrane is >=10000 dalton, is used for removing cleaned filter
Float, antibacterial and macromolecule Organic substance in water outlet, the effluent color dilution of antibacterial modified photocatalytic ultrafilter membrane < 5.0, turbidity <
0.1NTU；
Step (5), the antibacterial a part of water outlet of modified photocatalytic ultra-filtration membrane device entered in acid solution reserving liquid tank, and passed through dosing pump
As the peracid step feedwater of pickling workshop section after directly or mixing with pickling liquid after adding pickling medicament adjusting, send out for next batch
The pickling of goods processes, and antibacterial modified photocatalytic ultra-filtration membrane device another part water outlet enters flushing liquor reserving liquid tank, and passes through water
Pump feeds water as pickling workshop section rinsing step, for next batch after directly or mixing with clear water flushing liquor after adding clear water regulation
The flushing of hair products processes, and flushing liquor reserving liquid tank flushing process remaining liq enters lower one treatment process and processes.
The operation method of hair product industry pickling liquid waste water circulation recycling and processing equipment the most according to claim 5, it is special
Levy and be: described pickling liquid waste water comes from animal hair or chemical fibre carries out the hair products pickling zone of wig processing,
Specifically including the pickle liquor of peracid step and the flushing waste water of rinsing step, colourity and the pH value of pickling liquid waste water are respectively 5-
100 and 1.0-4.0, float, COD in pickling liquid waste waterCr, ammonia nitrogen and BOD5Content be respectively 10-500mg/L, 100-
2000mg/L, 5-100mg/L and 5-500mg/L, BOD5/CODCrFor 0.05-0.3.
The operation method of hair product industry pickling liquid waste water circulation recycling and processing equipment the most according to claim 5, it is special
Levy and be: the water inlet bacterial concentration of described antibacterial modified photocatalytic ultra-filtration membrane device is 103-106CFU/mL, antibacterial modified light
Bacteriostasis rate >=50% of catalysis ultrafilter membrane, to COD in water inletCr、BOD5, colourity and float clearance respectively >=80%, >=
80%, >=90% and >=90%, water outlet pH are 1-4.
The operation method of hair product industry pickling liquid waste water circulation recycling and processing equipment the most according to claim 5, it is special
Levy and be: the weight of the single loop running pickling liquid of described hair product industry pickling liquid waste water circulation recycling and processing equipment
Multiple utilization rate >=60%.
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