CN206219367U - A kind of processing unit of yarn-dyed fabric yarn dyeing waste water - Google Patents
A kind of processing unit of yarn-dyed fabric yarn dyeing waste water Download PDFInfo
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- CN206219367U CN206219367U CN201621261415.5U CN201621261415U CN206219367U CN 206219367 U CN206219367 U CN 206219367U CN 201621261415 U CN201621261415 U CN 201621261415U CN 206219367 U CN206219367 U CN 206219367U
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Abstract
The utility model discloses a kind of processing unit of yarn-dyed fabric yarn dyeing waste water, it includes self-cleaning filter, regulating reservoir, heterogeneous Fenton oxidation pond, flotation tank, dual membrane system, MVR systems；Self-cleaning filter therein is connected with regulating reservoir import, outlet of regulating reservoir is connected with heterogeneous Fenton oxidation pond import, the outlet of heterogeneous Fenton oxidation pond is connected with flotation tank import, and flotation tank outlet is connected with dual membrane system, and flotation tank is connected with plate and frame filter press simultaneously；The dual membrane system is made up of CMF and RO, and CMF produces the mouth of a river and is connected with RO imports, and RO concentrated water spouts are connected with MVR systems.Experimental result shows：The yarn dyeing waste water of package unit recyclable more than 90%, salinity can be removed effectively in waste water, salt rejection rate>The distillate that 99%, RO product water and MVR systems are produced can be back to each production link and use, and substitute new water consumption, and the yield of pollutant is controlled from source, fully demonstrate the theory of clean manufacturing.
Description
Technical field
The utility model belongs to textile printing and dyeing industry wastewater treatment and resource reclaim field, and in particular to a kind of yarn-dyed fabric dye
The treatment of yarn waste water high-efficiency and the device of online recycling resource product.
Background technology
The yarn-dyed fabric production process operation such as including desizing, mercerising, yarn dyeing.Wherein, yarn dyeing waste water results from yarn-dyed fabric production
During yarn dyeing operation, water is larger.Because different fibrous raw material and product needed use different dyestuffs, auxiliary agent and dye
Color method, the dye uptake for adding various dyestuffs is different different with the concentration of dye liquor, makes dyeing waste-water change of water quality very big, wherein containing
There are slurry, dyestuff, auxiliary agent, surfactant etc., typically in strong basicity, colourity is very high, and COD is much higher compared with BOD, biodegradability
It is poor, belong to organic wastewater with difficult degradation thereby.Simultaneously Na is added in yarn dyeing operation2SO4And Na2CO3, yarn dyeing waste water presentation saliferous high
Feature.
At present, the waste water of yarn-dyed fabric manufacturing enterprise is based on the discharge of each operation concentration, end treatment.Desizing in desizing operation
Waste water contains substantial amounts of polyvinyl alcohol（PVA）, spent lye contains substantial amounts of NaOH, yarn dyeing in yarn dyeing operation in mercerizing process
Waste water contains substantial amounts of Na2SO4、Na2CO3And hardly degraded organic substance, cause that comprehensive wastewater water removal is big, beyond colourity depth, hardly possible drop
Solution organic matter and salt content are also very high, focus on that difficulty is larger, and conventional two stage treatment technique cannot be removed effectively in waste water
Hardly degraded organic substance and salinity, salt content high can also produce harmful effect to biochemical treatment system, or even make system crash.
Single treatment technology or simple integrated technology are unable to reach discharge standard, and complicated handling process is faced with floor space again
Greatly, capital construction and operating cost problem high, the textile printing and dyeing enterprises of middle and small scale are at all powerless to be undertaken.Meanwhile, in waste water some
Recyclable resource is not utilized effectively, and causes enterprise product cost to increase, and economic benefit declines, so as to influence enterprise to control
Manage the enthusiasm and initiative of pollution.
The content of the invention
The purpose of this utility model be for yarn-dyed fabric production wastewater treatment difficulty it is big, be difficult to qualified discharge, handling
With a series of high problems, a kind of yarn-dyed fabric yarn dyeing waste water high-efficiency treatment and online recycling method and device are proposed, yarn dyeing is given up
Water is individually processed, and resource reclaims anhydrous sodium sulfate therein, can effectively reduce hardly degraded organic substance in comprehensive wastewater and
The content of salinity, and the utilization rate of raw material is improve, the yield of pollutant is controlled from source, fully demonstrate clear
The theory of clean production.
To achieve the above object, the utility model discloses following technical scheme：
A kind of processing unit of yarn-dyed fabric yarn dyeing waste water, it is characterised in that it include self-cleaning filter, regulating reservoir, it is non-
Phase Fenton oxidation pond, flotation tank, dual membrane system, MVR systems；Self-cleaning filter therein 1 is connected with the import of regulating reservoir 2,
Outlet of regulating reservoir is connected with heterogeneous Fenton oxidation pond import 3, and heterogeneous Fenton oxidation pond is exported and the import phase of flotation tank 4
Connection, flotation tank outlet is connected with dual membrane system, and the outlet of flotation tank scum silica frost is connected with plate and frame filter press simultaneously；The dual membrane system
It is made up of CMF5 and RO6, CMF produces the mouth of a river and is connected with RO imports, and RO concentrated water spouts are connected with MVR systems 7.
The utility model further discloses yarn-dyed fabric yarn dyeing wastewater treatment with online recycling method in removal yarn-dyed fabric
Application in yarn dyeing waste water in terms of hardly degraded organic substance and salinity.Experimental result shows：The dye of package unit recyclable more than 90%
Yarn waste water, the salinity in waste water can be removed effectively, salt rejection rate>99%, RO produce water and the distillate of MVR systems generation can
It is back to each production link to use, substitutes new water consumption.
The utility model more detailed description is as follows：
A kind for the treatment of of yarn-dyed fabric yarn dyeing waste water high-efficiency and online recycling device, including self-cleaning filter, regulating reservoir, it is non-
Phase Fenton oxidation pond, flotation tank, dual membrane system（Micro-filtration CMF+ reverse osmosis (RO)s）, function of mechanical steam recompression（MVR）System, uses
It is sequentially connected composition；
The self-cleaning filter is filtered to cloth hair, particulate matter, flco in yarn dyeing waste water etc., and water outlet enters regulation
Pond；
The regulating reservoir carries out homogeneity to the water quality and water of yarn dyeing waste water, adds in pH adjusting agent sulfuric acid and pH value,
Make the Na in waste water simultaneously2CO3It is changed into Na2SO4, the water outlet of regulating reservoir enters heterogeneous Fenton oxidation pond；
The heterogeneous Fenton oxidation pond is decolourized and is removed part hardly degraded organic substance to waste water, and water outlet enters gas
Floating pond；Add NaOH that pH value of waste water is adjusted into neutrality in the flotation tank, the flco and suspension gone in water removal are acted on by air supporting
Particle, it is ensured that water outlet clear, air supporting produces scum silica frost to be transported outward into mud cake after being dehydrated through plate and frame filter press, and air supporting water outlet enters double
Membranous system；
The dual membrane system is made up of CMF and RO, and CMF is the pretreating process of RO, and CMF produces water and enters RO, RO concentrated waters
Into MVR systems, RO produces Water circulation in production；The MVR systems are evaporated crystallization to waste water, Na in waste water2SO4Purified,
Concentration, crystallization, dry, as anhydrous sodium sulfate, can be as being sold outside resource product or be back to production process, distillate
It is back to production.
A kind of yarn-dyed fabric yarn dyeing waste water high-efficiency treatment and online recycling method, it is characterised in that carried out by the steps：
（1）Self-cleaning filter is filtered to the cloth hair in yarn dyeing waste water, particulate matter, flco, reduces turbidity, purified water
Matter and protection system other equipment normal work；
（2）Regulating reservoir carries out homogeneity to the water quality and water of yarn dyeing waste water, according to Na in yarn dyeing waste water2CO3Content add
Enter sulfuric acid, make Na in waste water2CO3It is completely transformed into Na2SO4And continuously add sulphur acid for adjusting pH value to be suitable to Fenton reaction
PH value range 5 ~ 6；
（3）New ternary carried-type active Pd/carbon catalyst CuO-MnO is filled with heterogeneous Fenton oxidation pond2-
ZnO/AC, total obturator accumulated amount is the 1/3 ~ 1/2 of heterogeneous Fenton oxidation pond dischargeable capacity, while to heterogeneous Fenton oxygen
30% hydrogen peroxide is added in change pond, 30% hydrogen peroxide dosage is 0.1-0.5kg/ tons of water, the active ingredient H in hydrogen peroxide2O2With
CuO-MnO2- ZnO/AC catalyst constitutes heterogeneous Fenton oxidation system, and yarn dyeing waste water is decolourized by oxidation
And part hardly degraded organic substance is removed, water outlet is in faint yellow；
The ternary carried-type active Pd/carbon catalyst CuO-MnO2- ZnO/AC uses commercially available column-shaped active carbon, with 5 %'s
The NaOH solution of salt acid soak 24 h, 5 % soaks 24 h, is washed to neutrality, as carrier after 120 DEG C of drying are activated, adopts
It is prepared from infusion process.Cu load capacity is 1% ~ 5%（Mass ratio）, Mn load capacity is 1% ~ 5%（Mass ratio）, Zn load capacity is
0.1%~1%（Mass ratio）；
（4）In flotation tank add NaOH pH value of waste water is adjusted to 7 ~ 8, by air supporting act on go water removal in flco and
Suspended particulate, it is ensured that water outlet clear, the scum silica frost that air supporting is produced is transported outward after being dehydrated through plate and frame filter press into mud cake；
（5）CMF removes suspended particulate, colloid, larger molecular organicses, it is ensured that the SDI values of water outlet are small as the pretreatment of RO
In 3, the inflow requirement of RO is reached；
（6）RO systems use seawater film, realize the concentration to yarn dyeing waste water, are follow-up MVR techniques reduction influent load, single
Root film salt rejection rate is more than 99.5%；
（7）MVR is concentrated by evaporation unit includes solidifying water- to-water heat exchanger, MVR evaporators, centrifuge and drier, controls inlet flow-patterm
It is 7 ~ 8, SS to be worth<10mg/L, MVR vapo(u)rization system salt separate temperature control at 60 ~ 70 DEG C, by Na in RO concentrated waters2SO4Purification, it is dense
Contracting, crystallization, dry, be converted into solid forms anhydrous sodium sulfate, can be as being sold outside resource product or be back to production work
Sequence, evaporates the distillate for producing and is back to production process.
The positive effect that the processing unit of yarn-dyed fabric yarn dyeing waste water disclosed in the utility model has compared with prior art
It is really：
（1）Efficient process and the regeneration of yarn dyeing waste water can be realized by group technology, in reducing comprehensive wastewater
The content of hardly degraded organic substance and salinity, and then reduce the pollutional load and difficulty of governance of comprehensive wastewater, it is ensured that it is comprehensive useless
The qualified discharge of water；
（2）Online recycling and recycling are carried out to the value component anhydrous sodium sulfate in yarn dyeing waste water, from source
The yield of pollutant is controlled, is saved material to greatest extent, reduce the production cost and pollution treatment expense of enterprise；
（3）The new ternary carried-type active Pd/carbon catalyst CuO-MnO of filling in heterogeneous Fenton oxidation pond2-ZnO/
AC, has complementary advantages between each catalyst component, with synergy, realizes the efficient removal difficult degradation under high salt conditions organic
Thing.
Brief description of the drawings
Fig. 1 is the process chart of a kind of yarn-dyed fabric yarn dyeing waste water high-efficiency treatment of the utility model and online recycling method；
Fig. 2 is present apparatus planar structure schematic diagram；
Label in figure：1 self-cleaning filter；2 regulating reservoirs；3 heterogeneous Fenton oxidation ponds；4 flotation tanks；5 CMF；
6 RO；7 MVR.
Specific embodiment
The utility model is described below by specific embodiment.Unless stated otherwise, it is used in the utility model
Technological means is method known in those skilled in the art.In addition, embodiment be interpreted as it is illustrative, it is and unrestricted
Scope of the present utility model, spirit and scope of the present utility model is limited only by the claims that follow.For people in the art
For member, on the premise of without departing substantially from the utility model spirit and scope, to material component and consumption in these embodiments
The various changes or change for carrying out fall within protection domain of the present utility model.CMF（Continuous Microfiltration film）、RO（Reverse osmosis membrane）、
MVR（Function of mechanical steam recompression）All it is known, by commercially available.
Embodiment 1
A kind of processing unit of yarn-dyed fabric yarn dyeing waste water, it is characterised in that it include self-cleaning filter, regulating reservoir, it is non-
Phase Fenton oxidation pond, flotation tank, dual membrane system, MVR systems；Self-cleaning filter therein is connected with regulating reservoir import, adjusts
The outlet of section pond is connected with heterogeneous Fenton oxidation pond import, and the outlet of heterogeneous Fenton oxidation pond is connected with flotation tank import
Connect, flotation tank outlet is connected with dual membrane system, the outlet of flotation tank scum silica frost is connected with plate and frame filter press simultaneously；The dual membrane system by
CMF and RO is constituted, and CMF produces the mouth of a river and is connected with RO imports, and RO concentrated water spouts are connected with MVR systems.
Embodiment 2
A kind of yarn-dyed fabric yarn dyeing waste water high-efficiency treatment and online recycling method：
（1）Self-cleaning filter is filtered to the cloth hair in yarn dyeing waste water, particulate matter, flco, reduces turbidity, purified water
Matter and protection system other equipment normal work；
（2）Regulating reservoir carries out homogeneity to the water quality and water of yarn dyeing waste water, according to Na in yarn dyeing waste water2CO3Content add
Enter sulfuric acid, make Na in waste water2CO3It is completely transformed into Na2SO4And continuously add sulphur acid for adjusting pH value to be suitable to Fenton reaction
PH value range 5；
（3）New ternary carried-type active Pd/carbon catalyst CuO-MnO is filled with heterogeneous Fenton oxidation pond2-
ZnO/AC, total obturator accumulated amount is the 1/3 of heterogeneous Fenton oxidation pond dischargeable capacity, while to heterogeneous Fenton oxidation pond
30% hydrogen peroxide of middle addition, hydrogen peroxide dosage is 0.3kg/ tons of water, the active ingredient H in hydrogen peroxide2O2With CuO-MnO2-ZnO/
AC catalyst constitutes heterogeneous Fenton oxidation system, and the difficult drop in part is decolourized to yarn dyeing waste water and removed by oxidation
Solution organic matter, water outlet is in faint yellow；
The ternary carried-type active Pd/carbon catalyst CuO-MnO2- ZnO/AC uses commercially available column-shaped active carbon, with 5 %'s
The NaOH solution of salt acid soak 24 h, 5 % soaks 24 h, is washed to neutrality, as carrier after 120 DEG C of drying are activated, adopts
It is prepared from infusion process.Cu load capacity is 3%（Mass ratio）, Mn load capacity is 3%（Mass ratio）, Zn load capacity is 0.5%（Matter
Amount ratio）.
（4）In flotation tank add NaOH pH value of waste water is adjusted to 7 ~ 8, by air supporting act on go water removal in flco and
Suspended particulate, it is ensured that water outlet clear, the scum silica frost that air supporting is produced is transported outward after being dehydrated through plate and frame filter press into mud cake；
（5）CMF removes suspended particulate, colloid, larger molecular organicses, it is ensured that the SDI of water outlet as the pretreating process of RO
Value is less than 3, reaches the inflow requirement of RO；
（6）RO systems use seawater film, realize the concentration to yarn dyeing waste water, are follow-up MVR techniques reduction influent load, single
Root film salt rejection rate is more than 99.5%；
（7）MVR is concentrated by evaporation unit includes solidifying water- to-water heat exchanger, MVR evaporators, centrifuge and drier, controls inlet flow-patterm
It is 7 ~ 8, SS to be worth<10mg/L, MVR vapo(u)rization system salt separate temperature control at 60 DEG C, by Na in RO concentrated waters2SO4Purification, concentration, knot
It is brilliant, dry, solid forms anhydrous sodium sulfate is converted into, can be steamed as being sold outside resource product or being back to production process
Send out the distillate for producing and be back to production process.
Embodiment 3
Practical situations explanation
Northern certain enterprises, yarn dyeing operation wastewater discharge is 200m3/ d, Na2SO4Concentration is 3.5%, Na2CO3Concentration
It is that 1.2%, COD is 1200 ~ 1300mg/L, SS is 10 ~ 100 mg/L, and colourity is 50 ~ 10000 times, and pH is 9-11.
According to the utility model provide yarn-dyed fabric yarn dyeing waste water high-efficiency treatment with online recycling method and device at
Reason.
Cloth hair, particulate matter, flco in yarn dyeing waste water etc. is filtered by self-cleaning filter 1, water outlet enters adjusts
Section pond 2；Regulating reservoir 2 carries out homogeneity to the water quality and water of yarn dyeing waste water, adds sulphur acid for adjusting pH value to 5 ~ 6, regulating reservoir
Water outlet enters heterogeneous Fenton oxidation pond 3；New ternary carried active carbon is filled with heterogeneous Fenton oxidation pond 3
Catalyst CuO-MnO2- ZnO/AC, total obturator accumulated amount is the 1/2 of heterogeneous Fenton oxidation pond dischargeable capacity, 30% dioxygen
Water dosage is 0.5kg/ tons of water, and the residence time in the pond is 2h, and water outlet enters flotation tank 4；NaOH is added in flotation tank 4 will give up
Water pH value is adjusted to 7 ~ 8, and the scum silica frost that air supporting is produced is transported outward after being dehydrated through plate and frame filter press into mud cake, and air supporting water outlet enters CMF 5；
CMF 5 produces water and enters RO 6；After RO 6 is concentrated to CMF product water, concentrated water enters MVR 7；MVR 7 control water inlet pH value be 7 ~
8, SS<10mg/L, MVR vapo(u)rization system salt separate temperature control at 60 ~ 70 DEG C, and anhydrous slufuric acid is generated after evaporation, crystallization, drying
Sodium.
Operation result shows that the yarn dyeing waste water of package unit recyclable more than 90% reclaims water average day for 172.6m3/
d.Salinity in waste water is effectively removed, salt rejection rate>99%, RO produce water and the distillate of MVR systems generation and can be back to respectively
Production link is used, and substitutes new water consumption.
Press《Industrial anhydrous sodium sulfate》Standard requirement and the analysis method specified to the nothing that reclaims
Aqueous sodium persulfate quality is analyzed, and analysis result is as above shown.ReferenceSpecified in anhydrous sodium sulfate quality
Standard, the anhydrous sodium sulfate of recovery can reach national three class standards Grade A level.During operation, average day reclaims anhydrous slufuric acid
SodiumBy unit priceDaily 0.25 ten thousand yuan of extra earning.
Claims (2)
1. a kind of processing unit of yarn-dyed fabric yarn dyeing waste water, it is characterised in that it includes self-cleaning filter, regulating reservoir, heterogeneous
Fenton oxidation pond, flotation tank, dual membrane system, MVR systems；Self-cleaning filter therein（1）With regulating reservoir（2）Import phase
Even, outlet of regulating reservoir and heterogeneous Fenton oxidation pond（3）Import is connected, and heterogeneous Fenton oxidation pond is exported and flotation tank
（4）Import is connected, and flotation tank outlet is connected with dual membrane system, and the outlet of flotation tank scum silica frost is connected with plate and frame filter press simultaneously；Institute
Dual membrane system is stated by CMF（5）And RO（6）Composition, CMF produces the mouth of a river and is connected with RO imports, RO concentrated water spouts and MVR systems（7）
It is connected.
2. a kind of processing unit of yarn-dyed fabric yarn dyeing waste water according to claim 1, it is characterised in that heterogeneous Fenton
Oxidation pond（3）It is interior filled with new ternary carried-type active Pd/carbon catalyst CuO-MnO2-ZnO/AC。
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| CN201621261415.5U CN206219367U (en) | 2016-11-24 | 2016-11-24 | A kind of processing unit of yarn-dyed fabric yarn dyeing waste water |
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| CN201621261415.5U CN206219367U (en) | 2016-11-24 | 2016-11-24 | A kind of processing unit of yarn-dyed fabric yarn dyeing waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911279A (en) * | 2018-09-20 | 2018-11-30 | 江苏沃尔特环保有限公司 | Efficient antisiludging Fenton's reaction device |
| CN110386690A (en) * | 2019-07-19 | 2019-10-29 | 北京朗新明环保科技有限公司南京分公司 | A kind of spraying pre-treatment Wastewater zero-discharge treatment system |
-
2016
- 2016-11-24 CN CN201621261415.5U patent/CN206219367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911279A (en) * | 2018-09-20 | 2018-11-30 | 江苏沃尔特环保有限公司 | Efficient antisiludging Fenton's reaction device |
| CN110386690A (en) * | 2019-07-19 | 2019-10-29 | 北京朗新明环保科技有限公司南京分公司 | A kind of spraying pre-treatment Wastewater zero-discharge treatment system |
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