CN207108641U - A kind of cyclic utilization system of reactive dyeing raffinate - Google Patents
A kind of cyclic utilization system of reactive dyeing raffinate Download PDFInfo
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- CN207108641U CN207108641U CN201720803754.XU CN201720803754U CN207108641U CN 207108641 U CN207108641 U CN 207108641U CN 201720803754 U CN201720803754 U CN 201720803754U CN 207108641 U CN207108641 U CN 207108641U
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Abstract
It the utility model is related to a kind of cyclic utilization system of reactive dyeing raffinate, raffinate is collected acid-regulating tank and is connected with static mixer, net extractant storage tank is connected with static mixer, air compressor is connected with static mixer, static mixer is connected with tangential nozzle, the top of three-phase cyclone knockout drum is connected with color oil collecting tank, the bottom of three-phase cyclone knockout drum is connected with air supporting oil-water separation column, the top of air supporting oil-water separation column is connected with color oil collecting tank, secondary air-floatation oil-water separation column is connected with salting liquid collecting tank, salting liquid collecting tank is connected with dye vat, dye vat is connected with collecting acid-regulating tank with raffinate respectively, color oil collecting tank is connected with back extraction mixer/separator, alkali liquid tank is connected with back extraction mixer/separator, back extraction mixer/separator is connected with net extractant storage tank, back extraction mixer/separator is connected with evaporator.The utility model enables the residual night of high salinity to recycle, and avoids a large amount of discharges of salt, had both reduced the pollution to environment, and reduced cost again.
Description
Technical field
A kind of cyclic utilization system of reactive dyeing raffinate is the utility model is related to, belongs to dyeing residual liquid treatment technology
Field.
Background technology
With the development of science and technology, also more and more higher, the environmental law newly revised clearly limit salt for requirement of the people to environment
Discharge, therefore, promote weaving so whole industrial manufacture process and pollutant abatement technology progress it is imperative, how to solve activity
High salt high chroma caused by dyeing course discharges, and is to place industry urgent problem to be solved.
Vital staining be reactive dye molecule in containing chemically active group, can be in aqueous with cotton, hair etc.
Fiber-reactive is formed and built together, and has higher washable fastness, but reactive dye are not high by A Se general utilizations, can produce
A large amount of coloured sewage, and in order to suppress the electric charge of fiber surface, considerable amount of electrolyte need to be consumed during reactive dyeing, made
Chlorine ion concentration is higher into waste water.
In the dyeing course of reality, reactive dye can react with cotton makes dyestuff anchor on fiber (fixation), simultaneously
Dyestuff can also react with water and fail (hydrolysis), and the degree of fixation of usual reactive dyeing is 70% or so of dye dosage, institute
Higher with the concentration of dyestuff, its hydrolysis ratio is bigger, lower with respect to degree of fixation, so the colourity of dyeing residual liquid is high, and is not easy
Biodegradation, great difficulty is brought to sewage disposal.Salt must be added during vital staining and promotees dye, to improve dyestuff
Upper dye amount, these salt are lossless in dyeing, directly all discharged from sewage after dyeing, cause seriously to endanger to soil and ecology
Evil.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of utilization process of reactive dyeing raffinate and is
System, the utility model is first using three-phase cyclone extraction and separation technology, polar organic matter of the technology based on reversible reaction
Chemical extraction separation method, water and salt, and two systems of extractant are formd in the processing procedure to dyeing residual night, in this reality
Interacted with Three phase eddy flow extraction equipment, extract the hydrolised dye dyed in residual night to continuity, so as to
The residual night of high salinity is recycled, avoid a large amount of discharges of salt, both reduced the pollution to environment, and reduced into again
This.The technical solution of the utility model is as follows：
A kind of utilization process of reactive dyeing raffinate, is comprised the following steps that：
Reactive dyeing raffinate is collected in acid-regulating tank A or B by raffinate to flow out, and injects in static mixer, meanwhile, extraction
Agent (organic phase) by net extractant storage tank inject static mixer in, to from static mixer flow out two-phase liquid in be passed through by
The compressed air of air compressor discharge, is sent into three-phase cyclone knockout drum, is discharged from three-phase cyclone knockout drum top containing dyestuff
Color is oily, is sent into color oil collecting tank, and three-phase cyclone knockout drum bottom discharges the aqueous phase after extraction, contains on a small quantity organic in aqueous phase
Phase, then aqueous phase is by one-level air supporting oil-water separation column and secondary air-floatation oil-water separation column, by secondary air-floatation oil-water separation column
The high level salt solution of delivery port outflow is substantially free of organic phase, and high level salt solution enters salting liquid collecting tank C or salting liquid collecting tank D；
High level salt solution pH is adjusted in salting liquid collecting tank C and salting liquid collecting tank D to neutrality, high level salt solution is sent into and contaminated
Cylinder, while clear water is added into dye vat, dyeing residual liquid is formed after reactive dyeing in dye vat；
The alkaline solution in color oil and alkali liquid tank in color oil collecting tank is sent into fully mixed in back extraction mixer/separator simultaneously
After conjunction, the static absolute oil isolated delivers to net extractant storage tank, is recycled as decolouring with extractant, the dyestuff containing high concentration
Alkaline solution is discharged by back extraction mixer/separator, is sent into evaporator.
Further on the basis of above-mentioned technical proposal, what is flowed out from static mixer is passed through the two-phase of compressed air
Liquid is pumped into three-phase cyclone knockout drum by tangential inlet.
In the utility model, the pH of reactive dyeing raffinate is 1-3, and the temperature in three-phase cyclone knockout drum is 30-35
DEG C, the volume ratio of reactive dyeing raffinate and extractant is 10-30: 1.Preferably, when handling on a large scale, effect is considered
And cost, the pH of reactive dyeing raffinate elect 3 as；Temperature in three-phase cyclone knockout drum is 30 DEG C；Reactive dyeing is residual
The volume ratio of liquid and extractant is 30: 1
In the utility model, the cyclic utilization system of reactive dyeing raffinate, including raffinate collect acid-regulating tank A, raffinate
Acid-regulating tank B to be collected to be connected with static mixer by pipeline respectively, net extractant storage tank is connected by pipeline with static mixer,
Air compressor is connected by the liquid outlet of pipeline and static mixer, and the liquid outlet of static mixer is with being arranged at three-phase cyclone
The tangential nozzle connection of input liquid of knockout drum bottom, the top of three-phase cyclone knockout drum are connected with color oil collecting tank by pipeline,
The lower part outlet of three-phase cyclone knockout drum is connected by pipeline with the middle part of one-level air supporting oil-water separation column, three-phase cyclone knockout drum
Lower part outlet position be less than three-phase cyclone knockout drum lower inlet, the bottom of one-level air supporting oil-water separation column passes through pipeline
It is connected with secondary air-floatation oil-water separation column, the top of one-level air supporting oil-water separation column and secondary air-floatation oil-water separation column is oily with color
Collecting tank is connected by pipeline, and the bottom of secondary air-floatation oil-water separation column is received by pipeline and salting liquid collecting tank C or salting liquid
Collect tank D connections, salting liquid collecting tank C or salting liquid collecting tank D be connected by pipeline with dye vat, dye vat by pipeline and respectively with
Raffinate is collected acid-regulating tank A and connected with raffinate collection acid-regulating tank B, and color oil collecting tank is by pipeline with being stripped the first of mixer/separator
Entrance is connected, and alkali liquid tank is connected by pipeline with being stripped the second entrance of mixer/separator, and be stripped mixer/separator first goes out
Mouth is connected with net extractant storage tank, and the second outlet for being stripped mixer/separator is connected with evaporator.
Further, the three-phase cyclone knockout drum includes main tank body and inner canister, and the input tangential nozzle of liquid passes through main tank body
For lower openings in inner canister, interior tank top is provided with flare openings；The height of the main tank body be 2.5 meters, a diameter of 1.2 meters,
The height of interior tank is 1.75 meters, and a diameter of 0.65 meter of interior tank, the vertical height of flare openings is 0.25 meter；
Further, the flare openings end is provided with ring baffle；The baffle plate is parallel with interior pot bottom；The gear
The interior warp of plate is 0.65 meter；The angle of the baffle plate and flare openings wall is 30 degree.
The utility model has advantages below compared with prior art：
(1) recycling of dyeing residual liquid salt and water is realized, solves the high chroma of reactive dyeing, high salinity is given up
Water process problem, breach the limitation that ecological environment develops to the existing reactive dyeing mode of production；
(2) recycling of salt and water in dyeing residual liquid has been achieved at low cost, while has removed more than 95% hydrolysis dye
Pollutant, the extractants used such as material being capable of recycling utilizations；
(3) original dyeing mode of production is not changed, at low cost high chroma difficult to deal with, high salinity dye
Color raffinate is the resource that can be recycled, and significantly reduces existing sewerage intractability；
(4) the residual night containing high salinity recycles after enabling decolouring, avoids a large amount of discharges of salt.
Brief description of the drawings
Fig. 1 is the utility model utilization process flow chart；
Fig. 2 is three-phase cyclone knockout drum structural representation；
Symbol description：
1. raffinate collects acid-regulating tank A, 2. raffinates collection acid-regulating tank B, 3. static mixers, 4. net extractant storage tanks, 5. skies
Air compressor, 6. three-phase cyclone knockout drums, the tangential nozzle of 7. input liquid, 8. color oil collecting tanks, 9. one-level air supporting water-oil separatings
Post, 10. secondary air-floatation oil-water separation columns, 11. salting liquid collecting tank C, 12. salting liquid collecting tank D, 13. main tank bodies, in 14.
Tank, 15. flare openings, 16. dye vats, 17. back extraction mixer/separators, 18. alkali liquid tanks, 19. evaporators, 20. baffle plates.
Embodiment
The utility model is further described with reference to specific embodiment, and the advantages of the utility model and feature will be with
Description and it is apparent.But embodiment is only exemplary, does not form any restrictions to the scope of the utility model.Ability
Field technique personnel should be understood that can be to the utility model technical side under without departing from spirit and scope of the present utility model
The details and form of case are modified or replaced, but these modifications and replacement are each fallen within the scope of protection of the utility model.
A kind of utilization process of reactive dyeing raffinate of embodiment 1
As shown in figure 1, comprise the following steps that：
Reactive dyeing raffinate is collected in acid-regulating tank A1 or B2 by raffinate to flow out, and injects in static mixer 3, meanwhile,
Extractant (organic phase) is injected in static mixer 3 by net extractant storage tank 4, to the outflow two-phase liquid from static mixer 3
In be passed through the compressed air discharged by air compressor 5, be passed through the two-phase liquid of compressed air and three-phase rotation be pumped into by tangential inlet
Flow separation tank 6, the color oil containing dyestuff is discharged from the top of three-phase cyclone knockout drum 6, is sent into color oil collecting tank 8, three-phase cyclone separation
The aqueous phase after extraction is discharged in the bottom of tank 6, contains a small amount of organic phase in aqueous phase, then aqueous phase passes through one-level air supporting oil-water separation column
9 and secondary air-floatation oil-water separation column 10, by secondary air-floatation oil-water separation column 10 the high level salt solution of delivery port outflow is substantially free of
Organic phase, high level salt solution enter salting liquid collecting tank C11 or salting liquid collecting tank D12；
High level salt solution pH is adjusted in salting liquid collecting tank C 11 and salting liquid collecting tank D 12 to neutrality, by high level salt solution
Dye vat 16 is sent into, while clear water is added into dye vat 16, dyeing residual liquid is formed after reactive dyeing in dye vat；
The alkaline solution in color oil and alkali liquid tank 18 in color oil collecting tank 8 is sent into back extraction mixer/separator 17 simultaneously to be filled
After dividing mixing, the static absolute oil isolated delivers to net extractant storage tank 4, is recycled as decolouring with extractant, containing high concentration
The alkaline solution of dyestuff is discharged by back extraction mixer/separator 17, is sent into evaporator 19.
A kind of utilization process of reactive dyeing raffinate of embodiment 2
On the basis of embodiment 1, the pH of reactive dyeing raffinate is 3, and the temperature in three-phase cyclone knockout drum 6 is
30 DEG C, the volume ratio of reactive dyeing raffinate and extractant is 30: 1.
The cyclic utilization system of the reactive dyeing raffinate of embodiment 3
As depicted in figs. 1 and 2, the decolouring system of reactive dyeing raffinate, including raffinate collects acid-regulating tank A1, raffinate is received
Collection acid-regulating tank B2 is connected by pipeline with static mixer 3 respectively, and net extractant storage tank 4 is connected by pipeline and static mixer 3
Connect, air compressor 5 is connected by pipeline with the liquid outlet of static mixer 3, and the liquid outlet of static mixer 3 is with being arranged at
The tangential nozzle 7 of input liquid of the bottom of three-phase cyclone knockout drum 6 connects, and the top of three-phase cyclone knockout drum 6 and color oil collecting tank 8 are logical
Pipeline connection is crossed, the lower part outlet of three-phase cyclone knockout drum 6 is connected by pipeline with the middle part of one-level air supporting oil-water separation column 9,
The position of the lower part outlet of three-phase cyclone knockout drum 6 is less than the lower inlet of three-phase cyclone knockout drum 6, one-level air supporting water-oil separating
The bottom of post 9 is connected by pipeline with secondary air-floatation oil-water separation column 10, one-level air supporting oil-water separation column 9 and secondary air-floatation profit
The top of splitter 10 is connected with color oil collecting tank 8 by pipeline, and the bottom of secondary air-floatation oil-water separation column 10 passes through pipeline
It is connected with salting liquid collecting tank C11 or salting liquid collecting tank D12, salting liquid collecting tank C 11 or salting liquid collecting tank D 12 are logical
Cross pipeline to be connected with dye vat 16, dye vat 16 is by pipeline with collecting acid-regulating tank A 1 and raffinate collection acid-regulating tank B 2 with raffinate respectively
Connection, color oil collecting tank 8 are connected by pipeline with being stripped the first entrance of mixer/separator 17, and alkali liquid tank 18 is by pipeline and instead
Extract the second entrance connection of mixer/separator 17, the first outlet of back extraction mixer/separator 17 is connected with net extractant storage tank 4, instead
The second outlet of extraction mixer/separator 17 is connected with evaporator 19；
The three-phase cyclone knockout drum 6 includes main tank body 13 and inner canister 14, and the tangential nozzle 7 of input liquid is passed through under main tank body 13
Portion is opened in inner canister 14, and the top of inner canister 14 is provided with flare openings 15, and the height of main tank body is 2.5 meters, a diameter of 1.2 meters,
The height of interior tank is 1.75 meters, and a diameter of 0.65 meter of interior tank, the vertical height of flare openings is 0.25 meter.
The cyclic utilization system of the reactive dyeing raffinate of embodiment 4
On the basis of embodiment 3, as illustrated in fig. 1 and 2, the end of flare openings 15 is provided with ring baffle 20；Institute
It is parallel with the bottom of inner canister 14 to state baffle plate 20；The interior warp of the baffle plate 20 is 0.65 meter；The baffle plate 20 and the wall of flare openings 15
Angle be 30 degree.
Claims (7)
1. a kind of cyclic utilization system of reactive dyeing raffinate, it is characterised in that cyclic utilization system is collected including raffinate
Acid-regulating tank A, raffinate collect acid-regulating tank B be connected respectively by pipeline with static mixer, net extractant storage tank by pipeline with it is quiet
State blender connect, air compressor by the liquid outlet of pipeline and static mixer connect, the liquid outlet of static mixer with
It is arranged at the tangential nozzle connection of input liquid of three-phase cyclone knockout drum bottom, top and the color oil collecting tank of three-phase cyclone knockout drum
Being connected by pipeline, the lower part outlet of three-phase cyclone knockout drum is connected by pipeline with the middle part of one-level air supporting oil-water separation column,
The position of the lower part outlet of three-phase cyclone knockout drum is less than the lower inlet of three-phase cyclone knockout drum, one-level air supporting oil-water separation column
Bottom be connected by pipeline with secondary air-floatation oil-water separation column, one-level air supporting oil-water separation column and secondary air-floatation oil-water separation column
Top be connected with color oil collecting tank by pipeline, the bottom of secondary air-floatation oil-water separation column passes through pipeline and collected with salting liquid
Tank C or the D connections of salting liquid collecting tank, salting liquid collecting tank C or salting liquid collecting tank D are connected by pipeline with dye vat, and dye vat leads to
Cross pipeline and collect acid-regulating tank B with collecting acid-regulating tank A and raffinate with raffinate respectively and be connected, color oil collecting tank is mixed with back extraction by pipeline
The first entrance connection of separator is closed, alkali liquid tank is connected by pipeline with being stripped the second entrance of mixer/separator, back extraction mixing
The first outlet of separator is connected with net extractant storage tank, and the second outlet for being stripped mixer/separator is connected with evaporator.
2. cyclic utilization system according to claim 1, it is characterised in that the three-phase cyclone knockout drum includes main tank body
And inner canister, for the tangential nozzle of input liquid through main tank body lower openings in inner canister, interior tank top is provided with flare openings.
3. cyclic utilization system according to claim 2, it is characterised in that the height of the main tank body is 2.5 meters, diameter
For 1.2 meters, the height of interior tank is 1.75 meters, a diameter of 0.65 meter of interior tank, and the vertical height of flare openings is
0.25 meter.
4. cyclic utilization system according to claim 3, it is characterised in that the flare openings end is provided with annular and kept off
Plate.
5. cyclic utilization system according to claim 4, the baffle plate is parallel with interior pot bottom.
6. cyclic utilization system according to claim 5, the interior warp of the baffle plate is 0.65 meter.
7. cyclic utilization system according to claim 6, the angle of the baffle plate and flare openings wall is 30 degree.
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| CN201720803754.XU CN207108641U (en) | 2017-07-05 | 2017-07-05 | A kind of cyclic utilization system of reactive dyeing raffinate |
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| CN201720803754.XU CN207108641U (en) | 2017-07-05 | 2017-07-05 | A kind of cyclic utilization system of reactive dyeing raffinate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235594A (en) * | 2017-07-05 | 2017-10-10 | 山东如意科技集团有限公司 | A kind of utilization process and system of reactive dyeing raffinate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235594A (en) * | 2017-07-05 | 2017-10-10 | 山东如意科技集团有限公司 | A kind of utilization process and system of reactive dyeing raffinate |
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Effective date of registration: 20211215 Granted publication date: 20180316 |