CN110130025B - Single-side dyeing liquid feeding equipment and method for reactive dye of pure cotton massive fabric - Google Patents
Single-side dyeing liquid feeding equipment and method for reactive dye of pure cotton massive fabric Download PDFInfo
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- CN110130025B CN110130025B CN201910518585.9A CN201910518585A CN110130025B CN 110130025 B CN110130025 B CN 110130025B CN 201910518585 A CN201910518585 A CN 201910518585A CN 110130025 B CN110130025 B CN 110130025B
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- 239000004744 fabric Substances 0.000 title claims abstract description 72
- 238000004043 dyeing Methods 0.000 title claims abstract description 69
- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 34
- 229920000742 Cotton Polymers 0.000 title claims abstract description 29
- 239000000985 reactive dye Substances 0.000 title claims abstract description 21
- 239000000975 dye Substances 0.000 claims abstract description 76
- 238000004040 coloring Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 239000003513 alkali Substances 0.000 claims description 91
- 238000003825 pressing Methods 0.000 claims description 35
- 238000003860 storage Methods 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 14
- 238000007598 dipping method Methods 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 4
- 235000010413 sodium alginate Nutrition 0.000 claims description 4
- 229940005550 sodium alginate Drugs 0.000 claims description 4
- 239000000661 sodium alginate Substances 0.000 claims description 4
- 238000007603 infrared drying Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000007639 printing Methods 0.000 description 5
- 239000002759 woven fabric Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229920000433 Lyocell Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009980 pad dyeing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
- D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
- D06B19/0029—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/38—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
Abstract
The application discloses single-sided dyeing liquid feeding equipment for reactive dyes of pure cotton heavy fabrics, which comprises a dyeing mechanism, a drying mechanism and a color fixing mechanism which are sequentially arranged, wherein the dyeing mechanism comprises a dye vat, an extrusion rubber roller, a single-sided liquid feeding coloring roller and a rubber rotating roller which are arranged above the dye vat, a dye liquor conveying roller is arranged in the dye vat, the dye liquor conveying roller is connected with the single-sided liquid feeding coloring roller through a conveying belt, and two sides of the single-sided liquid feeding coloring roller are respectively tangential to the extrusion rubber roller and the rubber rotating roller. The application also discloses a method for dyeing the fabric by using the pure cotton massive fabric reactive dye single-side dyeing liquid feeding equipment. The device and the method solve the defects of high waste of double-sided dyeing dye, high water consumption for dyeing and washing and high steam consumption for drying of the heavy cotton fabric.
Description
Technical Field
The application relates to a single-side dyeing liquid feeding technology, in particular to a single-side dyeing liquid feeding device and a single-side dyeing liquid feeding method for reactive dyes of pure cotton massive fabrics.
Background
In the prior art, reactive dyes are used for dyeing cotton fabrics, and methods such as dip dyeing, pad dyeing and the like are generally adopted, and during dyeing, all the front and back surfaces of the fabrics are dyed so as to achieve the aim of leveling the opposite surfaces and the inside of the fibers. However, this method may cause a dye or an auxiliary agent to be present on the skin-contacting side of the wearer when the wearer wears the garment, so that the skin and the inner clothing may be stained due to discoloration, and even the human body may be damaged due to long-term exposure to the potentially harmful substances contained in the dye, such as carcinogens that may be contained after decomposition of the dye.
Chinese patent application (CN 01144297.2) discloses a production method for dyeing a single side of a dye for cotton knitted fabrics, and belongs to the technical field of textile printing and dyeing. Mainly comprises single-side dyeing process flows of pretreatment of grey cloth, single-side full-width ink printing, drying, steaming fixation, soap boiling and water washing. The single-sided full-width ink-jet printing process adopts a pattern-free net, namely, a cylinder or a plate of the cylinder or the plate is fully opened to ensure that color paste is printed on knitwear through the pattern-free net when ink is printed; or the color paste is fully printed or coated on the knitwear by adopting a non-pattern roller or using a coating machine.
Chinese patent application (CN 201310509039.1) discloses a process method for single-sided dyeing of denim fabric, and belongs to the technical field of denim fabric production. The method comprises the following steps: firstly, pre-treating woven fabrics such as pure cotton, tencel, elastic and the like; secondly, full-width single-sided dyeing is carried out, if jean clothing fabric with worn feeling is to be produced, single-sided coating can be carried out for painting, and the produced clothing can achieve ideal jean effect after washing. The method solves the ecological problems of jean cloth and leisure cloth, and can achieve small batch and multiple colors. The product has full color on the front surface and rich and varied colors, and can be completely comparable with the traditional yarn-dyed jean.
Chinese patent application (CN 201610193897.3) discloses a single-sided dyeing apparatus and method for woven fabrics, the apparatus sequentially comprises at least three rotating rolls, a coloring roll, cheng Yechi, a drying apparatus, a cleaning tank, an oven and a winding roll, and the rotating rolls are sequentially a first rotating roll, a second rotating roll and a third rotating roll; the second rotating roller and the coloring roller are arranged up and down, a gap is reserved between the second rotating roller and the coloring roller, and the gap is smaller than the thickness of the woven fabric; the liquid containing tank is filled with dye liquor, and the coloring roller is partially immersed in the dye liquor; the pretreated woven fabric is firstly conveyed to the second rotary roller through the first rotary roller and passes through the gap between the second rotary roller and the coloring roller; then, the waste water is conveyed to the drying device through the third rotary roller; and finally sequentially passing through the cleaning tank and the oven, and winding on the winding roller.
Disclosure of Invention
The application aims to provide a single-side dyeing liquid feeding device and method for reactive dye of pure cotton massive fabric, which are used for solving the problems in the prior art.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a pure cotton thick heavy fabric reactive dye single face dyeing feed liquor equipment, includes dyeing mechanism, stoving mechanism and the fixation mechanism that sets gradually, dyeing mechanism includes the dye vat and sets up extrusion rubber roller, single face of dye vat top give liquid roller and rubber and change the roller, the dye vat in be provided with dye liquor transfer roller, dye liquor transfer roller pass through the conveyer belt and be connected with single face and give liquid roller, single face give liquid roller's both sides respectively with extrusion rubber roller and rubber and change the tangent setting of roller.
As a further scheme of the application: the extrusion rubber roller and the rubber rotating roller rotate anticlockwise, and the single-sided liquid feeding and coloring roller rotates clockwise.
As still further aspects of the application: the drying mechanism comprises a first cylinder roller and a second cylinder roller, wherein the first cylinder roller and the second cylinder roller are tangentially arranged, and the heights of the first cylinder roller and the second cylinder roller are consistent.
As still further aspects of the application: the first cylinder roller rotates clockwise, and the second cylinder roller rotates anticlockwise.
As still further aspects of the application: the color fixing mechanism comprises an alkali liquor storage tank, and an alkali liquor immersing and pressing roller and an alkali liquor pressing roller which are arranged above the alkali liquor storage tank, wherein the alkali liquor immersing and pressing roller is connected with the alkali liquor conveying roller through an alkali liquor conveying belt, and the alkali liquor conveying roller is positioned in the alkali liquor storage tank.
As still further aspects of the application: the central axes of the alkali liquor immersing and pressing roller and the alkali liquor pressing roller are positioned in the same vertical plane, the alkali liquor pressing roller is positioned above the alkali liquor immersing and pressing roller, the alkali liquor immersing and pressing roller rotates clockwise, and the alkali liquor pressing roller rotates anticlockwise.
The application also provides another technical scheme: the method for dyeing the single side of the cotton fabric by using the single-side dyeing liquid feeding equipment for the reactive dye of the pure cotton massive fabric in any one of the technical schemes comprises the following steps:
s1, preparing a dye liquor and an alkali liquor, and respectively placing the dye liquor and the alkali liquor in a dye liquor storage tank and an alkali liquor storage tank;
s2, starting single-side dyeing liquid feeding equipment to dye the single side of the fabric, immersing the conveyor belt in the dye liquor, conveying the dye liquor in a dye liquor storage tank upwards through the dyeing conveyor belt, conveying the fabric to be dyed to an upper dyeing mechanism, controlling the uniform liquid carrying amount by utilizing the extrusion action between an extrusion rubber roller and a single-side liquid feeding coloring roller, transferring the dye liquor on the conveyor belt to the single side of the cotton fabric to be dyed in the process between the single-side liquid feeding coloring roller and a rubber rotating roller, and controlling the quantity of the dye liquor transferred to the fabric through the rolling pressure of the single-side liquid feeding coloring roller and the rubber rotating roller.
S3, drying, namely drying by using two cylinder rollers, wherein the dyed fabric in the S2 passes through the space between the first cylinder roller and the second cylinder roller, and the steam is introduced into the cylinder roller, so that the dyed fabric is quickly dried by using the heat generated by the steam.
S4, alkali liquor is used for fixation,
s5, drying and soaping, namely drying by using infrared drying equipment, and performing steam fixation, and then performing soaping to complete the whole dyeing process.
As still further aspects of the application: in the step S1, the dye liquor is prepared according to the following formula:
reactive dye: 10-30g/L;
sodium alginate: 1-2g/L;
penetrant JFC:1-2g/L;
the alkali liquor is prepared according to the following formula:
sodium hydroxide: 0.5-1g/L;
sodium carbonate: 2-5g/L.
As still further aspects of the application: in the step S2, the amount of the dye liquor transferred to the fabric is controlled to be 35-50% of the weight of the fabric.
As still further aspects of the application: the S3 is specifically that the dried fabric passes through a space between an alkali liquor dipping roller and an alkali liquor pressing roller in a color fixing mechanism, alkali liquor conveyed from an alkali liquor storage tank by a conveyor belt is transferred to one surface of the fabric to be dyed under the extrusion of the alkali liquor dipping roller and the alkali liquor pressing roller, and is uniformly rolled by the alkali liquor dipping roller and the alkali liquor pressing roller.
Compared with the prior art, the application has the beneficial effects that:
because only one side is dyed during printing and dyeing, a large amount of dye is saved, after alkali padding, the dye is in full contact with alkali due to low liquid carrying rate, covalent bonds are more easily formed, hydrolysis of the dye is reduced, the burden is reduced during subsequent washing, and meanwhile, because the dyed dye is relatively less, compared with the floating color, the fastness is improved. The application achieves the purposes of less dye, less auxiliary agent and less printing and dyeing wastewater, and meets the national requirements of energy conservation and emission reduction in the printing and dyeing industry.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a reactive dye single-side dyeing liquid feeding device for a pure cotton thick fabric.
In the figure: 1. extruding a rubber roller; 2. a single-sided liquid-feeding coloring roller; 3. a rubber roller; 4. a dye liquor transfer roll; 5. a dye vat; 6. a conveyor belt; 7. a first cylinder roller; 8. a second cylinder roller; 9. alkali liquor immersing and pressing roller; 10. an alkali liquor pressing roller; 11. an alkali liquor transfer roller; 12. an alkali liquor storage tank; 13. alkali liquor conveyer belt.
Detailed Description
For the purposes of promoting an understanding of the principles of the embodiments of the application, reference will now be made in detail to the drawings of embodiments of the application, including specific examples, it is to be understood that the application is illustrated in the drawings and that the specific features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
Referring to fig. 1, in an embodiment of the present application, a single-side dyeing and liquid-feeding device for reactive dye of a heavy pure cotton fabric includes a dyeing mechanism, a drying mechanism and a color fixing mechanism, which are sequentially arranged.
The dyeing mechanism comprises a dye vat 5, an extrusion rubber roller 1 arranged above the dye vat 5, a single-sided liquid feeding and coloring roller 2 and a rubber transfer roller 3, wherein a dye liquor conveying roller 4 is arranged in the dye vat 5, the dye liquor conveying roller 4 is connected with the single-sided liquid feeding and coloring roller 2 through a conveying belt 6, two sides of the single-sided liquid feeding and coloring roller 2 are respectively tangentially arranged with the extrusion rubber roller 1 and the rubber transfer roller 3, and the extrusion rubber roller 1 is used for controlling the amount of the dye liquor on the conveying belt passing through the surface of the single-sided liquid feeding and coloring roller 2 through extrusion. The extrusion rubber roller 1 and the rubber roller 3 rotate anticlockwise, the single-sided liquid-feeding coloring roller 2 rotates clockwise, and the dyed fabric is conveyed while being dyed. The conveyor belt is immersed in the dye liquor, and the conveyor belt is required to have certain hygroscopicity. The pressure between the extrusion rubber roller 1 and the single-side liquid-feeding coloring roller 2 and the pressure between the single-side liquid-feeding coloring roller 2 and the rubber roller 3 are controlled by an air compressor
When the cotton fabric to be dyed passes through the single-sided liquid feeding and coloring roller 2, the cotton fabric to be dyed is contacted with a dye liquor conveying belt, so that dye is transferred to one side of the fabric, and in addition, the dyeing amount of dye liquor is controlled by adjusting the extrusion force of the rubber rotating roller 3 and the single-sided liquid feeding and coloring roller 2.
The drying mechanism comprises a first cylinder roller 7 and a second cylinder roller 8, wherein the first cylinder roller 7 and the second cylinder roller 8 are tangentially arranged, the heights of the first cylinder roller 7 and the second cylinder roller 8 are consistent, dyed fabrics are finished, firstly, the dyed fabrics pass through the lower part of the first cylinder roller 7, then pass through the tangential position of the first cylinder roller 7 and the second cylinder roller 8, then pass through the upper part of the second cylinder roller 8, and enter the color fixing mechanism. The first cylinder roller 7 rotates clockwise, and the second cylinder roller 8 rotates anticlockwise.
The color fixing mechanism comprises an alkali liquor storage tank 12, and an alkali liquor immersing and pressing roller 9 and an alkali liquor pressing roller 10 which are arranged above the alkali liquor storage tank, wherein the alkali liquor immersing and pressing roller 9 is connected with the alkali liquor conveying roller 11 through an alkali liquor conveying belt 13, the alkali liquor conveying roller 11 is positioned in the alkali liquor storage tank 12, the central axes of the alkali liquor immersing and pressing roller 9 and the alkali liquor pressing roller 10 are positioned in a vertical plane, the alkali liquor pressing roller 10 is positioned above the alkali liquor immersing and pressing roller 9, the alkali liquor immersing and pressing roller 9 rotates clockwise, and the alkali liquor pressing roller 10 rotates anticlockwise.
When the fabric passes between the lye immersion roller 9 and the lye roller 10, the lye on the lye conveyor belt 13 is transferred to the side of the fabric to be dyed under the squeezing action of the lye roller 10.
A method for dyeing fabrics by using pure cotton massive fabric reactive dye single-side dyeing liquid feeding equipment comprises the following specific steps:
s1, preparing dye liquor and alkali liquor, and respectively placing the dye liquor and the alkali liquor in a dye liquor storage tank and an alkali liquor storage tank.
The dye liquor is prepared according to the following formula:
reactive dye 10-30g/L
Sodium alginate 1-2g/L
Penetrant JFC 1-2g/L
The alkali liquor is prepared according to the following formula:
sodium hydroxide 0.5-1g/L
Sodium carbonate 2-5g/L
S2, starting single-side dyeing liquid feeding equipment to dye the single side of the fabric, immersing a conveyor belt in the dye liquid, conveying the dye liquid in a dye liquid storage tank upwards through the dyeing conveyor belt, conveying the fabric to be dyed to an upper dyeing mechanism, controlling the uniform liquid feeding amount by utilizing the extrusion action between an extrusion rubber roller 1 and a single-side liquid feeding coloring roller 2, and transferring the dye liquid on the conveyor belt to the single side of the cotton fabric to be dyed in the process between the single-side liquid feeding coloring roller 2 and a rubber rotating roller 3, wherein the rolling pressure of the single-side liquid feeding coloring roller 2 and the rubber rotating roller 3 is used for transferring the dye liquid to the fabric to be dyed to 35% -50% of the fabric weight, and the rolling liquid rate is far lower than 90% -110% of that of a common dyeing method.
S3, drying, namely drying by using two cylinder rollers, wherein the dyed fabric in S2 passes through the space between the first cylinder roller 7 and the second cylinder roller 8, and the interior of the cylinder roller is filled with steam, and the dyed fabric is quickly dried by using the heat generated by the steam.
S4, alkali liquor fixation, namely transferring the dried fabric to the dyed surface of the fabric by using the alkali liquor conveyed from an alkali liquor storage tank by using a conveyor belt between an alkali liquor dipping roller 9 and an alkali liquor pressing roller 10 in a fixation mechanism under the extrusion of the alkali liquor dipping roller 9 and the alkali liquor pressing roller 10, and uniformly rolling by using the alkali liquor dipping roller 9 and the alkali liquor pressing roller 10.
S5, drying and soaping, namely drying by using infrared drying equipment, and performing steam fixation, and then performing soaping to complete the whole dyeing process.
By using the single-side dyeing liquid feeding device and the dyeing method, the obtained single-side dyed fabric has the following color fastness indexes after testing: the washing fastness is 4-5 grade, the rubbing fastness: wet rub grade 3-4, dry rub fastness: 4-5 stages. All achieve good color fastness levels.
The device and the method solve the defects of high waste of double-sided dyeing dye, high water consumption for dyeing and washing and high steam consumption for drying by using the single-sided coloring liquid feeding device and the method. The single-side dyeing and fixing equipment and the dyeing process for the pure cotton massive fabric are low in energy consumption and environment-friendly, and meanwhile, as the dye is dyed on one side of the fabric and only a part of the back surface is oozed, the hydrolyzed dye and the undyed reactive dye are seldom stained on the surface of the fiber, the washing and soaping pressure is reduced, the energy is saved, the environment is protected, and all color fastness is excellent. In the dyeing process, after the dye is used for dyeing one side of the fabric, as the amount of liquid carried in the dyeing control is small, the cylinder roller D, E can be used for drying, and meanwhile, due to the existence of sodium alginate, the dye is not easy to migrate in the drying process, so that the infrared pre-drying process in the traditional dyeing process is reduced, the process of violently drying by a drying cylinder is further reduced, the energy consumption is further reduced, and the dyeing process is more efficient and environment-friendly.
The foregoing description is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical solution of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (6)
1. The single-side dyeing liquid feeding device for the reactive dye of the pure cotton massive fabric comprises a dyeing mechanism, a drying mechanism and a color fixing mechanism which are sequentially arranged,
the dyeing mechanism comprises a dye vat (5) and an extrusion rubber roller (1), a single-side liquid feeding coloring roller (2) and a rubber rotating roller (3) which are arranged above the dye vat (5), wherein a dye liquor conveying roller (4) is arranged in the dye vat (5), the dye liquor conveying roller (4) is connected with the single-side liquid feeding coloring roller (2) through a conveying belt (6) with certain hygroscopicity, and two sides of the single-side liquid feeding coloring roller (2) are respectively tangential to the extrusion rubber roller (1) and the rubber rotating roller (3);
the drying mechanism comprises a first cylinder roller (7) and a second cylinder roller (8), wherein the first cylinder roller (7) and the second cylinder roller (8) are tangentially arranged, and the heights of the first cylinder roller (7) and the second cylinder roller (8) are consistent;
the color fixing mechanism comprises an alkali liquor storage tank (12), and an alkali liquor dipping roller (9) and an alkali liquor pressing roller (10) which are arranged above the alkali liquor storage tank, wherein the alkali liquor dipping roller (9) is connected with an alkali liquor conveying roller (11) through an alkali liquor conveying belt (13), and the alkali liquor conveying roller (11) is positioned in the alkali liquor storage tank (12); the central axes of the alkali liquor immersing and pressing roller (9) and the alkali liquor pressing roller (10) are positioned in the same vertical plane, and the alkali liquor pressing roller (10) is positioned above the alkali liquor immersing and pressing roller (9).
2. The single-sided dyeing liquid feeding device for the reactive dye of the pure cotton heavy fabric according to claim 1, wherein the extrusion rubber roller (1) and the rubber rotating roller (3) rotate anticlockwise, and the single-sided liquid feeding coloring roller (2) rotates clockwise.
3. The single-sided dyeing and liquid feeding device for the reactive dye of the pure cotton heavy fabric according to claim 1, wherein the first cylinder roller (7) rotates clockwise, and the second cylinder roller (8) rotates anticlockwise.
4. The single-sided dyeing and liquid feeding device for the reactive dye of the heavy pure cotton fabrics according to claim 1 is characterized in that the alkali liquor dipping roller (9) rotates clockwise, and the alkali liquor pressing roller (10) rotates anticlockwise.
5. A method for dyeing cotton fabric on one side by using the pure cotton massive fabric reactive dye single-side dyeing liquid feeding equipment as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
s1, preparing a dye liquor and an alkali liquor, and respectively placing the dye liquor and the alkali liquor in a dye liquor storage tank and an alkali liquor storage tank;
s2, starting single-side dyeing liquid feeding equipment to dye a single side of a fabric, immersing a conveyor belt in the dye liquid, conveying the dye liquid in a dye liquid storage tank upwards through the dye conveyor belt, conveying the fabric to be dyed to an upper dyeing mechanism, controlling the uniform liquid carrying amount by utilizing the extrusion action between an extrusion rubber roller (1) and a single-side liquid feeding coloring roller (2), and transferring the dye liquid on the conveyor belt to the single side of the cotton fabric to be dyed in the process between the single-side liquid feeding coloring roller (2) and a rubber rotating roller (3), wherein the amount of the dye liquid transferred to the fabric is controlled to be 35% -50% of the weight of the fabric through the single-side liquid feeding coloring roller (2) and the rubber rotating roller (3);
s3, drying, namely drying by using two cylinder rollers, wherein the dyed fabric in the S2 passes through a space between a first cylinder roller (7) and a second cylinder roller (8), steam is introduced into the cylinder rollers, and the dyed fabric is quickly dried by using heat generated by the steam;
s4, alkali liquor fixation, namely transferring the dried fabric to the dyed surface of the fabric through the space between an alkali liquor dipping roller (9) and an alkali liquor pressing roller (10) in a fixation mechanism and using a conveyor belt to convey the alkali liquor from an alkali liquor storage tank, and uniformly rolling the fabric through the alkali liquor dipping roller (9) and the alkali liquor pressing roller (10) under the extrusion of the alkali liquor dipping roller (9) and the alkali liquor pressing roller (10);
s5, drying and soaping, namely drying by using infrared drying equipment, and performing steam fixation, and then performing soaping to complete the whole dyeing process.
6. The method for dyeing single surface of cotton fabric according to claim 5, wherein in S1, the dye liquor is prepared according to the following formula:
reactive dye: 10-30g/L;
sodium alginate: 1-2g/L;
penetrant JFC:1-2g/L;
the alkali liquor is prepared according to the following formula:
sodium hydroxide: 0.5-1g/L;
sodium carbonate: 2-5g/L.
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| CN103498348A (en) * | 2013-09-25 | 2014-01-08 | 武汉纺织大学 | Salt-free low-alkali dyeing method for shortening dyeing time of reactive dye |
| CN105155301A (en) * | 2015-07-21 | 2015-12-16 | 东华大学 | Blended foamed dyeing liquor for cotton fabric and application thereof |
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