阅读说明：本技术 牛奶纤维长丝植物染色方法 (Plant dyeing method for milk fiber filament ) 是由 卓宝松 皇甫铭立 于 2021-10-21 设计创作，主要内容包括：牛奶纤维长丝植物染色方法是纤维染色技术,它解决了目前植物染色间断生产的技术难题。本发明的目的是这样实现的,其染色原理是：植物色素与蛋白质有良好的亲和性,色牢度高；先进的设备让纤维和染液同步的、连续的、小批量的投入到染色机中,使纤维能够充分的、均匀的吸收色素,做到染色均匀、无色差；染色方法包括水洗工段、预媒染工段、染色工段、氧化工段、固色工段、固色后水洗工段步骤；并由引丝机、前水洗槽、预媒染机、染色机、氧化机、固色机、水洗槽等形成连续生产线。(The plant dyeing method for milk fiber filament is a fiber dyeing technology, and solves the technical problem of discontinuous production of the existing plant dyeing. The aim of the invention is realized by the following steps: the plant pigment has good affinity with protein and high color fastness; the advanced equipment enables the fiber and the dye liquor to be synchronously, continuously and in small batch to be put into the dyeing machine, so that the fiber can fully and uniformly absorb the pigment, and the dyeing is uniform and has no color difference; the dyeing method comprises the steps of a washing working section, a pre-mordant dyeing working section, a dyeing working section, an oxidation working section, a color fixing working section and a washing working section after color fixing; and a continuous production line is formed by a thread leading machine, a front rinsing bath, a pre-mordanting machine, a dyeing machine, an oxidation machine, a color fixing machine, a rinsing bath and the like.)

1. The plant dyeing method of the milk fiber filament comprises the steps of a washing working section, a pre-mordant dyeing working section, a dyeing working section, an oxidation working section, a color fixing working section and a washing working section after color fixing; and a continuous production line is formed by a thread leading machine, a front rinsing bath, a pre-mordanting machine, a dyeing machine, an oxidation machine, a color fixing machine, a rinsing bath and the like, and is characterized in that: a first water washing section: introducing the milk fiber filament tows into a washing tank by a filament guiding machine for washing, and washing the fibers to achieve smooth surfaces and no dirt; then entering a pre-mordant dyeing machine;

the second step is a pre-mordant dyeing section: the filament bundle enters a pre-mordant dyeing machine, and meanwhile, a pre-mordant dyeing solution is fed, the weight ratio of the pre-mordant dyeing solution to the filament bundle is 10:1, and the temperature of the heat preservation water in a casing of the mordant dyeing machine is set as the temperature of the mordant dyeing solution required by the pre-mordant dyeing process. Controlling the temperature to be 60-80 ℃ and the working time to be 20 minutes;

a third step of a dyeing section: after the tows leave the pre-mordanting machine, the tows enter a dyeing machine, and meanwhile, the tows are sent into a dyeing liquid, the ratio of the number of the dyeing liquid to the dry weight of the tows is 10:1, and the temperature of the heat preservation water in a sleeve of the dyeing machine is set as the temperature of the dyeing liquid required by the dyeing process; controlling the temperature to be 60-80 ℃ and the working time to be 40 minutes;

the fourth step is pigment oxidation section: part of the plants need to be oxidized after dyeing, after the tows come out of the dyeing machine, an air oxidation machine is carried out, and the flow of air on the surfaces of the tows is accelerated by a fan;

a fifth color fixation section: the fiber is discharged from the dyeing machine and enters a color fixing machine, and meanwhile, color fixing liquid is fed, the temperature of the color fixing liquid is controlled to be 60-80 ℃, and the working time is 10 minutes;

and a sixth step of washing section after color fixation: the color-fixed fiber enters a washing tank, and the surface floating color is washed off; the rinsing bath adopts a horizontal bath;

seventh step, tow post-treatment: and (3) washing the dyed tows, and treating the tows by applying the processes of oiling, curling, drying and cutting off the milk fibers to obtain finished products.

2. The parameters related to the plant dyeing method of the milk fiber filament are characterized in that: tow speed (cm/min) = dyeing pipeline length ÷ dyeing time required by the process; dyeing liquid flow (L/min) = dyeing pipeline section area multiplied by tow speed; tow cross-sectional area (cm 2) = dyed pipe cross-sectional area ÷ bath ratio; capacity (G/min) = cross-sectional area of tows x tow speed x fiber volume weight; preparing a dyeing solution: selecting three dyeing liquid tanks, wherein one tank supplies liquid to a dyeing production line, the other tank recovers the residual liquid on the dyeing line, and the other tank prepares a new dyeing liquid for recycling; the water temperature in the pipeline is added: and carrying out mordant dyeing liquid, dyeing liquid and fixing liquid temperature of the dyeing process.

Technical Field

The invention relates to a fiber dyeing technology, in particular to a plant dyeing method for milk fiber filaments.

Background

Plant dyeing is a traditional dyeing method, is healthy and environment-friendly, but has the problems of complex procedure, serious fiber damage, large color difference, low color fastness, high dyeing cost and the like due to the original and simple production process and the basic short fiber dyeing, and the progress of the industrial process is slow. In recent years, although large amounts of manpower and material resources are invested in various large textile research institutions and various techniques for plant dyeing are actively explored, the industrialization is still slow due to the limitations of dyeing methods and equipment.

Disclosure of Invention

The invention aims to provide a method for dyeing milk fiber filament plants at one time, which solves the technical problem of discontinuous production of plant dyeing at present. The aim of the invention is realized by the following steps: the plant pigment has good affinity with protein and high color fastness; the advanced equipment enables the fiber and the dye liquor to be synchronously, continuously and in small batch to be put into the dyeing machine, so that the fiber can fully and uniformly absorb the pigment, and the dyeing is uniform and has no color difference.

The dyeing method comprises the steps of a washing working section, a pre-mordant dyeing working section, a dyeing working section, an oxidation working section, a color fixing working section and a washing working section after color fixing; and a continuous production line is formed by a thread leading machine, a front rinsing bath, a pre-mordanting machine, a dyeing machine, an oxidation machine, a color fixing machine, a rinsing bath and the like. The method comprises the following specific steps:

a first water washing section: introducing the milk fiber filament tows into a washing tank by a filament guiding machine for washing, and washing the fibers to achieve smooth surfaces and no dirt; and then entering a pre-mordant dyeing machine.

The second step is a pre-mordant dyeing section: the filament bundle enters a pre-mordant dyeing machine, and meanwhile, a pre-mordant dyeing solution is fed, the weight ratio of the pre-mordant dyeing solution to the filament bundle is 10:1, and the temperature of the heat preservation water in a casing of the mordant dyeing machine is set as the temperature of the mordant dyeing solution required by the pre-mordant dyeing process. The temperature is controlled to be 60-80 ℃, and the working time is 20 minutes.

A third step of a dyeing section: and (3) after the tows leave the pre-mordanting machine, feeding the tows into a dyeing machine, and simultaneously feeding dyeing liquid into the dyeing machine, wherein the ratio of the quantity of the dyeing liquid to the dry weight of the tows is 10: 1. Setting the temperature of the heat preservation water in the sleeve of the dyeing machine as the temperature of the dye liquor required by the dyeing process; the temperature is controlled to be 60-80 ℃, and the working time is 40 minutes.

The fourth step is pigment oxidation section: part of the plants need to be oxidized when being dyed, and after the tows come out of the dyeing machine, the tows are subjected to an air oxidation machine, and the flow of air on the surfaces of the tows is accelerated by a fan.

A fifth color fixation section: and (3) the fiber enters a color fixing machine after exiting the dyeing machine, and is simultaneously fed with color fixing liquid, wherein the temperature of the color fixing liquid is controlled at 60-80 ℃, and the working time is 10 minutes.

And a sixth step of washing section after color fixation: the color-fixed fiber enters a washing tank, and the surface floating color is washed off; the rinsing bath adopts a horizontal bath.

Seventh step, tow post-treatment: and (3) washing the dyed tows, and treating the tows by applying the processes of oiling, curling, drying and cutting off the milk fibers to obtain finished products.

The significance of the invention is as follows: the method has the advantages of continuous production, high yield and easy industrialization; secondly, the water consumption is reduced by 70 percent; thirdly, the method uses a novel dyeing device, can continuously finish the fiber dyeing at one time, keeps the same proportion of the fiber and the dye liquor all the time, ensures the dye liquor and the fiber to be fully and uniformly contacted, and has the advantages of uniform dyeing, no color difference and high color fastness; fourthly, the production process is simplified, the degree of mechanization is high, and the labor intensity is reduced; fifthly, the fiber is not damaged; sixthly, the dyeing cost is reduced by 60 percent compared with other processes.

The parameters involved in the process of the invention are as follows:

1. tow speed (cm/min) = dyeing pipeline length ÷ dyeing time required by the process;

2. dyeing liquid flow (L/min) = dyeing pipeline section area multiplied by tow speed;

3. tow cross-sectional area (cm 2) = dyed pipe cross-sectional area ÷ bath ratio;

4. capacity (G/min) = cross-sectional area of tows x tow speed x fiber volume weight;

5. preparing a dyeing solution: selecting three dyeing liquid tanks, wherein one tank supplies liquid to a dyeing production line, the other tank recovers the residual liquid on the dyeing line, and the other tank prepares a new dyeing liquid for recycling;

6. the water temperature in the pipeline is added: and carrying out mordant dyeing liquid, dyeing liquid and fixing liquid temperature of the dyeing process.

Drawings

FIG. 1 is a process flow diagram of a plant dyeing method for milk fiber filaments.

Detailed Description

The plant dyeing method of the milk fiber filaments comprises the steps of a washing working section, a pre-mordant dyeing working section, a dyeing working section, an oxidation working section, a color fixing working section, a washing working section after color fixing and the like; and a continuous production line formed by a thread leading machine, a front rinsing bath, a pre-mordanting machine, a dyeing machine, an oxidation machine, a color fixing machine, a rinsing bath and the like comprises the following specific steps:

a first water washing section: introducing the milk fiber filament tows into a washing tank by a filament guiding machine for washing, and washing the fibers to achieve smooth surfaces and no dirt; and then entering a pre-mordant dyeing machine.

The second step is a pre-mordant dyeing section: the filament bundle enters a pre-mordant dyeing machine, and meanwhile, a pre-mordant dyeing solution is fed, the weight ratio of the pre-mordant dyeing solution to the filament bundle is 10:1, and the temperature of the heat preservation water in a casing of the mordant dyeing machine is set as the temperature of the mordant dyeing solution required by the pre-mordant dyeing process. The temperature is controlled to be 60-80 ℃, and the working time is 20 minutes.

A third step of a dyeing section: and (3) after the tows leave the pre-mordanting machine, feeding the tows into a dyeing machine, and simultaneously feeding dyeing liquid into the dyeing machine, wherein the ratio of the quantity of the dyeing liquid to the dry weight of the tows is 10: 1. Setting the temperature of the heat preservation water in the sleeve of the dyeing machine as the temperature of the dye liquor required by the dyeing process; the temperature is controlled to be 60-80 ℃, and the working time is 40 minutes.

The fourth step is pigment oxidation section: part of the plants need to be oxidized when being dyed, and after the tows come out of the dyeing machine, the tows are subjected to an air oxidation machine, and the flow of air on the surfaces of the tows is accelerated by a fan.

A fifth color fixation section: and (3) the fiber enters a color fixing machine after exiting the dyeing machine, and is simultaneously fed with color fixing liquid, wherein the temperature of the color fixing liquid is controlled at 60-80 ℃, and the working time is 10 minutes.

And a sixth step of washing section after color fixation: the color-fixed fiber enters a washing tank, and the surface floating color is washed off; the rinsing bath adopts a horizontal bath.

Seventh step, tow post-treatment: and (3) washing the dyed tows, and treating the tows by applying the processes of oiling, curling, drying and cutting off the milk fibers to obtain finished products.

Example 2, the parameters involved in the process of the invention are:

1. tow speed (cm/min) = dyeing pipeline length ÷ dyeing time required by the process;

2. dyeing liquid flow (L/min) = dyeing pipeline section area multiplied by tow speed;

3. tow cross-sectional area (cm 2) = dyed pipe cross-sectional area ÷ bath ratio;

4. capacity (G/min) = cross-sectional area of tows x tow speed x fiber volume weight;

5. preparing a dyeing solution: selecting three dyeing liquid tanks, wherein one tank supplies liquid to a dyeing production line, the other tank recovers the residual liquid on the dyeing line, and the other tank prepares a new dyeing liquid for recycling;

6. the water temperature in the pipeline is added: and carrying out mordant dyeing liquid, dyeing liquid and fixing liquid temperature of the dyeing process.