CN104562801A - Foaming manner-based low liquid carrying rate and short flow type salt-free dyeing method for textile - Google Patents
Foaming manner-based low liquid carrying rate and short flow type salt-free dyeing method for textile Download PDFInfo
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- CN104562801A CN104562801A CN201410808013.1A CN201410808013A CN104562801A CN 104562801 A CN104562801 A CN 104562801A CN 201410808013 A CN201410808013 A CN 201410808013A CN 104562801 A CN104562801 A CN 104562801A
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Abstract
The invention belongs to the technical field of chemical engineering and particularly relates to a foaming manner-based low liquid carrying rate and short flow type salt-free dyeing method. The technological flow comprises the following steps: firstly, preparing a dye working solution; generating foams from the prepared dye working solution through a foam generator; applying the foams to a textile fabric to be dyed by a foam applying device; and after drying, carrying out color fixation, primary water washing, soaping and secondary water washing to obtain a dyed textile finished product. According to the foaming manner-based low liquid carrying rate and short flow salt-free dyeing method, the dyeing solution is used for generating the foams by the foam generator and 30% of water in a traditional dyeing process is replaced by air, so that the consumption of drying energy sources of a latter procedure is reduced; the dyeing solution is conveyed to the foam generator by a pipeline and acts on a textile; the content of the free water is controlled to 30%-35%; and in a unit product, the water can be saved by 30% and energy is saved by more than 40%.
Description
Technical field
The invention belongs to chemical technology field, be specifically related to a kind of low liquid carrying rate short route textiles salt-free dyeing method based on foam forms.
Background technology
The resource consumption of fabrics printing and dyeing process and pollutant emission become the ultimate challenge that dyeing faces, and the staining method that water is energy-conservation less becomes the theme of world's dyeing research.At present, the energy consumption of dyeing is substantially at 2.5-3.2 ton mark coal/ton fiber, and average out to 2.84 tons mark coal/ton fiber, the energy resource consumption of dyeing accounts for 58.7% of textile processing, is the energy-conservation emphasis of textile industry.A large amount of energy consumptions is needed in the staining method production process that textile fabric is traditional, but traditional dyeing equipment heat utilization rate is low, energy waste seriously causes production cost to rise, therefore textile industry adjustment and development planning propose energy-saving and emission-reduction and will obtain significant results, the whole industry realizes unit value added energy consumption and reduces by 5% every year, the reduction by 7% of water consumption, wastewater discharge reduces by more than 7% every year.
In prior art, conventional conventional dyeing process flow process is: prepare dyestuff working solution → padding machine and roll the material (speed of a motor vehicle 55 ms/min, pick-up 65%) → dry room to dry (80-100 DEG C 5 minutes) → pad fixation liquid (salt 200g/L, soda ash 20g/L, caustic soda 6g/L) → vapour steaming colour fixing (102 DEG C 60 seconds) → washing (50-60 DEG C 60 seconds) → soap (95 DEG C 60 seconds) → washing (40-50 DEG C 60 seconds) → dry (100 DEG C 3 minutes).The defect that this technological process mainly exists is: staining efficiency is low, and liquid carrying rate is high, and dyeing water consumption is high, and consume energy high, many with salt, whole technological process cost is high.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of low liquid carrying rate short route textiles salt-free dyeing method based on foam forms.
The present invention is realized by following technical scheme:
A kind of low liquid carrying rate short route textiles salt-free dyeing method based on foam forms, its technological process is as follows: first prepare dyestuff working solution, the dyestuff working solution of preparation is through foam maker foam generated, then be applied on textiles to be dyed through foam applying device, then carry out oven dry fixation, wash for the first time, soap, again wash post-drying, obtain textile dyeing finished product.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, the described formula preparing fuel work liquid is:
Dyestuff 0-75 g/L
Blowing agent TSZ 5g/L
Migration inhibitor V 10g/L
Fixation alkali 15g/L
Water 970-895 g/L;
Preparation method for: the dyestuff needed for needing to weigh according to the color of dyed shell fabrics, adds water and stirs, make dye solution for subsequent use, weigh and add blowing agent TSZ, migration inhibitor V, fixation alkali, make mixed dye working solution for subsequent use in material cylinder.
Described dyestuff and color-fixing agent alkali are the conventional dyestuff in fabrics printing and dyeing field and color-fixing agent alkali.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, described foam maker is dynamic foam generator, and our company's model used is 1.75M.
Foam maker is called for short foam maker, and foam maker is the core of all foam application devices.The present invention uses dynamic foaming device, is imported by air and fill in the device of dyestuff working solution and produce stable foam under pressure and high shear.Dynamic foaming device is made up of jointly container or mixing head, hydraulic pump, air meter and one group of device foam being sent to application point, and mixing head can pressure vessel and rotor, a stator form by one.Wherein, rotor is with radial direction or be axially installed in mixing head surface, and its gear edge is normally given advice, and rotates at the gear stator surface similar to it.Dyestuff working solution and air enter container after metering, and are determining the motion of the space between tooth and dynamic tooth, and acquisition density is that continue between 0.20-0.07g/cm, uniform foam.
Foam maker can according to the foam needing generation different produced.Apply system to foam, foam density is used for controlling liquid carrying rate, and reducing foam density will cause the minimizing of liquid carrying rate.To specific foam application system, fabric weight is depended in the selection of foam density, and fabric weight increases, and foam density also wants corresponding increase.Should low density foam be used to thin fabric, high-density foam is used to tight thick and heavy type fabric.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, described foam applying device is slit foam applying device, and our company's model used is 1.75M, and the parameter of described foam applying device is the speed of a motor vehicle 95 ms/min; The volume ratio of water and foam is 1:15, rotating speed 500r, band liquid measure 30%, fabric width 1.6 meters.
In foam applying device, foam is sent to foam liquid bath by the supply of foam maker continuous and quantitative, finally arrives in applicator slit.Applicator is formed in by stainless steel material the observation window having a transparent cellulose acetate material immediately below foam applying portion.The width of slit can regulate between 0.3mm to 25mm.The contact angle of slit inclined-plane and fabric is between 45 to 15, and in this case, shearing force is lather collapse.Foam is sent in foam tank and slit by pressure, is then applied on fabric through slit oneself with the angle of 15 to 25.The degree of foam penetration fabric is by slit Stress control.
Silt type foam applicator is a kind of particular design.It has the photoelectric sensor controlling to start sealing the margin, guarantees foam skewness on fabric width direction.Because fabric continues through foam applicator, thus ensure that along uniformity on fabric length direction.When with clothing in contact, be in metastable foam and vanish immediately.The liquid carrying rate of fabric by state modulator such as the flowing velocity of liquid, fabric speed and weight, and has nothing to do with foam density.The change of the fabric speed of service can adjust the size of foam applied amount automatically.
The dye liquor that foam applying device can control to be applied to textile fabric accounts for fabric proportion 30-35%, is less than 65% of traditional dyeing, the energy saving baking energy and use water gaging.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, the technological parameter of described fixation step is in steam box decatize, and 102 DEG C keep 60 seconds.The effect of fixation is: dyestuff by foam just attachment on the textile, by padding fixation liquid and at high temperature decatize, dyestuff and fiber pass through chemical bonds, thus stained with on the textile, by washing, wash away the dyestuff loose colour of the not upper dye of cloth cover, obtain fast colours fastness.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, described first washing process parameter is 50-60 DEG C of washing 60 seconds.The effect of washing is: wash away as upper dye, textiles is made to obtain fast colours fastness, water-washing step first to fourth lattice rinsing bowl intensification 56-60 DEG C, each rinsing bowl washes 15-20 second, and the 5th, the 6th, the 7th high temperature is soaped, be warmed up to 90-95 DEG C, soap 45-60 second, the 8th, the 9th Warm Wash 40-50 DEG C, the tenth lattice 40 DEG C Warm Wash, then dry, fixation terminates.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, described in technological parameter of soaping be 95 DEG C and soap 60 seconds, the lotion solvent of described soaping steps is that scholar CO Power liked by plug.
Above-mentioned based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, the described parameter of washing process is again 40-50 DEG C of washing 60 seconds, and baking step technological parameter is 100 DEG C dries 3 minutes.
The low liquid carrying rate short route textiles salt-free dyeing method based on foam forms of invention, can be used for the dyeing of all fibres cellulose fiber fabric.
Beneficial effect of the present invention is:
Adopt the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms of the present invention, dye liquor is made foam by foam maker, the moisture of in traditional dyeing process 30% is substituted by air, reduce the consumption of the oven dry energy of later process, by Cemented filling to foam applicator, act on textiles, control free moisture at 30-35%, realize unit product water saving 30%, energy-conservation more than 40%.
Of the present invention based in the low liquid carrying rate short route textiles salt-free dyeing method of foam forms, foam dyeing mode makes fabric fibre gap without free moisture, decreases dyestuff hydrolysis and migration, is conducive to quality-improving, and decrease oven dry or the required energy of decatize balance, energy-saving and emission-reduction.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, so that those skilled in the art more understands the present invention, but does not therefore limit the present invention.
Embodiment 1 based on the low liquid carrying rate short route thick pure cotton fabric C20X20 108,X58 57/8 inch of foam forms, textiles (textiles distance is preferably provided) salt-free dyeing
A kind of low liquid carrying rate short route thick pure cotton fabric C20X20 108,X58 57/8 inch of textiles salt-free dyeing method based on foam forms, technological process is as follows: first prepare dyestuff working solution, the dyestuff working solution of preparation is through foam maker foam generated, then be applied on textiles to be dyed through foam applying device, then carry out fixation, wash for the first time, soap, again wash post-drying;
The described formula preparing fuel work liquid is:
The dark blue 50g/L of dye activity
Blowing agent TSZ 5g/L
Migration inhibitor V 10g/L
Fixation alkali 15g/L
Water 920 g/L;
Preparation method for: the dyestuff needed for needing to weigh according to the color of dyed shell fabrics, adds water and stirs, make dye solution for subsequent use, weigh and add blowing agent TSZ, migration inhibitor V, fixation alkali, make mixed dye working solution for subsequent use in material cylinder.
Described foam maker is dynamic foam generator (model 1.75M).
Described foam applying device is slit foam applying device (model 1.75M), and the parameter of described foam applying device is the speed of a motor vehicle 95 ms/min; Steep than 1:15(water and foam volume ratio), rotating speed 500r, band liquid measure 30%, fabric width 1.6 meters.
The technological parameter of described fixation step is in steam box decatize, and 102 DEG C keep 60 seconds.
Described first washing process parameter is 50-60 DEG C of washing 60 seconds.
Described technological parameter of soaping is 95 DEG C and soaps 60 seconds, and the lotion solvent of described soaping steps is that scholar CO Power liked by plug.
The described parameter of washing process is again 40-50 DEG C of washing 60 seconds, and baking step technological parameter is 100 DEG C dries 3 minutes.
Comparative example 1 thick pure cotton fabric C20X20 108,X58 57/8 inch of textiles common dyeing
A kind of thick pure cotton fabric C20X20 108,X58 57/8 inch of textile dyeing method, technological process is as follows: prepare dyestuff working solution → padding machine and roll the material (speed of a motor vehicle 55 ms/min, pick-up 65%) → dry room to dry (80-100 DEG C 5 minutes) → pad fixation liquid (salt 200g/L, soda ash 20g/L, caustic soda 6g/L) → vapour steaming colour fixing (102 DEG C 60 seconds) → washing (50-60 DEG C 60 seconds) → soap (95 DEG C 60 seconds) → washing (40-50 DEG C 60 seconds) → dry (100 DEG C 3 minutes).
Contrast the leading indicator in embodiment 1 and comparative example dyeing course, Details as Follows:
Table 1 testing performance index
| Foam dyeing | Normal dyeing | Performance Ratio | |
| The speed of a motor vehicle | 95 ms/min | 55 ms/min | Raising efficiency 73% |
| Hundred meters of use water (ton) | 1.12 | 0.98 | Water saving 30% |
| Hundred meters with energy (signature coal ton) | 255 | 153 | Energy-conservation 40% |
| Use salt for hundred meters | 0 | 5KG | Joint salt 100% |
| COLOR FASTNESS does/wet-milling | 4/3 | 4/3 | Unanimously |
| The former change of COLOR FASTNESS/be stained with in vain | 4/3.5 | 4/3.5 | Unanimously |
Claims (8)
1. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms, it is characterized in that, its technological process is as follows: first prepare dyestuff working solution, the dyestuff working solution of preparation is by foam maker foam generated, then be applied on textile fabric to be dyed through foam applying device, carry out fixation after oven dry, wash for the first time, soap, again wash post-drying, obtain textile dyeing finished product.
2. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, it is characterized in that, the described formula preparing fuel work liquid is:
Dyestuff 0-75g/L
Blowing agent TSZ 5g/L
Migration inhibitor V 10g/L
Fixation alkali 15g/L
Water 895-970g/L;
Preparation method for: the dyestuff needed for needing to weigh according to the color of dyed shell fabrics, adds water and stirs, make dye solution for subsequent use, weigh and add blowing agent TSZ, migration inhibitor V, fixation alkali, make mixed dye working solution for subsequent use in material cylinder.
3. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, it is characterized in that, described foam maker is dynamic foam generator.
4. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, it is characterized in that, described foam applying device is slit foam applying device, and the parameter of described foam applying device is the speed of a motor vehicle 95 ms/min; The volume ratio of the foam of water and formation is 1:1, rotating speed 500r, band liquid measure 30%, fabric width 1.6 meters.
5. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, it is characterized in that, the technological parameter of described fixation step is in steam box decatize, and 102 DEG C keep 60 seconds.
6. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, is characterized in that, described first washing process parameter is 50-60 DEG C of washing 60 seconds.
7. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, is characterized in that, described in technological parameter of soaping be 95 DEG C and soap 60 seconds, the lotion used additives of described soaping steps likes scholar CO Powder for plug.
8. the low liquid carrying rate short route textiles salt-free dyeing method based on foam forms according to claim 1, is characterized in that, the described parameter of washing process is again 40-50 DEG C of washing 60 seconds, and baking step technological parameter is 100 DEG C dries 3 minutes.
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Cited By (2)
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| CN105133390A (en) * | 2015-10-14 | 2015-12-09 | 广东溢达纺织有限公司 | Novel dyeing method of reactive dyes |
| CN114657731A (en) * | 2022-04-20 | 2022-06-24 | 广东溢达纺织有限公司 | Foam dyeing method capable of dyeing uneven fashion effect and obtained ready-made clothes or fabric |
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Application publication date: 20150429 |