CN112342779A - Process for combining deoxidation and acidification in yarn barrel dyeing - Google Patents
Process for combining deoxidation and acidification in yarn barrel dyeing Download PDFInfo
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- CN112342779A CN112342779A CN202011255246.5A CN202011255246A CN112342779A CN 112342779 A CN112342779 A CN 112342779A CN 202011255246 A CN202011255246 A CN 202011255246A CN 112342779 A CN112342779 A CN 112342779A
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- water
- acidification
- draining
- dyeing
- washing
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004043 dyeing Methods 0.000 title claims abstract description 23
- 230000020477 pH reduction Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000005406 washing Methods 0.000 claims abstract description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002270 dispersing agent Substances 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 7
- 238000006392 deoxygenation reaction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 5
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000004061 bleaching Methods 0.000 abstract description 15
- 239000012752 auxiliary agent Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 7
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 102000016911 Deoxyribonucleases Human genes 0.000 description 2
- 108010053770 Deoxyribonucleases Proteins 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method 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
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/70—Multi-step processes
- D06L4/75—Multi-step processes combined with cleaning or washing
Abstract
The invention belongs to the technical field of yarn barrel dyeing, and particularly discloses a process for combining deoxidation and acidification in yarn barrel dyeing, which comprises the steps of adding an auxiliary agent for pretreatment, draining, hot washing at 80 ℃ of inlet water, draining, adding acid and an deoxyenzyme into the inlet water, draining, cold washing at normal temperature of the inlet water, and carrying out draining to a dyeing link, wherein the pH value of a solution is strictly controlled, and under the synergistic action of a stabilizer and a chelating dispersant, hydrogen peroxide is ensured to be slowly and stably decomposed in the solution before adding the deoxyenzyme, and the bleaching effect is continuously exerted, so that the acidification and the deoxyenzyme process are combined, the water consumption of washing for 2-3 times after the traditional acidification is saved, and the benefit of an enterprise is increased.
Description
Technical Field
The invention belongs to the technical field of yarn barrel dyeing, and particularly relates to a process for combining deoxidation and acidification in yarn barrel dyeing.
Background
In the yarn bobbin dyeing process, the PH value needs to be adjusted by adding acid, the decomposition speed of hydrogen peroxide in a solution cannot be effectively controlled due to no effective pretreatment measures in the conventional dyeing process, the subsequent deoxidation treatment is carried out after the acid is added and the water is fully washed for 2-3 times in the normal treatment process, the water consumption is increased rapidly due to the full washing in the dyeing process, and the wastewater can be discharged after further treatment, so that a large amount of water resources are wasted, and the economic burden is caused by treating the wastewater by enterprises.
Disclosure of Invention
The invention aims to provide a process for combining deoxidation and acidification in yarn barrel dyeing, which ensures that hydrogen peroxide is slowly and stably decomposed in a solution before adding deoxygenase under the synergistic action of a stabilizer-chelating dispersant by strictly controlling the pH value of the solution, and continuously plays a bleaching role, so that the acidification and deoxygenase processes are combined, the water consumption for 2-3 times of water washing after traditional acidification is saved, and the benefit of an enterprise is increased.
In order to achieve the purpose, the invention adopts the technical scheme that:
a combined deoxygenation and acidification process for bobbin dyeing comprising the steps of:
(1) pretreatment of a yarn drum: the yarn cylinder is placed in water, and the pump speed of the main pump is adjusted90%The pump speed refers to the water delivery speed of a water pump, the refining agent is added, the main pump is operated for 5min, the natural cotton wax on the fabric and the oil agent stained in the textile process are removed, the fabric obtains uniform whiteness and capillary effect, then the caustic soda is added for operation for 5min, the caustic soda is added for controlling the decomposition of hydrogen peroxide in the following oxygen bleaching process to avoid fiber damage, obtaining a good bleaching effect, then adding acid to adjust the pH value to 3.5-5, controlling the pH value of the bleaching solution, adding a stabilizer-chelating dispersant and uniformly mixing, adding the stabilizer-chelating dispersant under the condition of controlling the pH value of the bleaching solution, slowly and stably decomposing subsequent hydrogen peroxide, continuously playing a bleaching function, adding hydrogen peroxide to operate for 10min, then heating to 110 ℃, and preserving heat for 40min, so that the pre-treatment solution reaches an optimal state, and the effectiveness of combining the subsequent deoxidation and acid addition processes is facilitated;
(2) after the heat preservation of the step (1) is carried out for 40min, directly and slowly draining water, cooling the water at normal temperature after draining the water, heating the water to 80 ℃ for carrying out first water washing, and draining the water after the first water washing is finished;
(3) and (3) continuing to enter water after the water discharged in the step (2) is treated, keeping the water temperature at 30-40 ℃, adding hydrochloric acid, running for 20min, adding deoxyenzyme, removing residual oxygen in the bleaching solution, draining water after running for 20min, washing for the second time with normal-temperature water, and draining water, thus entering a dyeing link.
The refining agent in the step (1) is a TSC nonionic surfactant mixture, and the using amount is 0.15-0.5 g/l; the stabilizing agent-chelating dispersant is FD-S acrylic polymer, and the dosage of the FD-S acrylic polymer is 1-3 g/l.
Furthermore, the dosage of the hydrochloric acid in the step (3) is 0.5-1.5g/l, and the deoxygenation enzyme is DH-020 hydrogen peroxide removing enzyme, and the dosage is 0.15-0.5 g/l.
Further, the dosage of water entering and washing each time is as follows: 42-48 tons, the bath ratio is 1:7-1: 8.
the invention has the advantages that: according to the invention, the pH value of the solution is strictly controlled, and under the synergistic effect of the stabilizer and the chelating dispersant, the hydrogen peroxide is ensured to be slowly and stably decomposed in the solution before the deoxyribonuclease is added, so that the bleaching effect is continuously exerted, the acidification and the deoxyribonuclease process are combined, the water consumption for washing 2-3 times after the traditional acidification is saved, and the benefit of an enterprise is increased.
Detailed Description
Example 1
A combined deoxygenation and acidification process for bobbin dyeing comprising the steps of:
(1) pretreatment of a yarn drum: putting a yarn cylinder into water, adjusting the pump speed of a main pump to 90 percent, wherein the pump speed refers to the water delivery speed of a water pump, adding a refining agent TSC surfactant mixture, the non-ionic type is used in an amount of 0.2g/l, and operating for 5min to remove natural cotton wax on the fabric and oil agent stained in the spinning process, so that the fabric obtains uniform whiteness and capillary effect, then adding caustic soda and operating for 5min, wherein the caustic soda is used for controlling the decomposition of hydrogen peroxide in the subsequent oxygen bleaching process, avoiding fiber damage and obtaining good bleaching effect, then adding acid to adjust the pH to 3.5-5, controlling the pH value of bleaching solution, adding a stabilizer-chelating dispersant FD-S acrylic polymer and mixing uniformly, the dosage is 1.5g/l, and adding the stabilizer-chelating dispersant under the condition of controlling the pH value of the bleaching solution, so that the subsequent hydrogen peroxide obtains slow and stable decomposition, continuously playing a bleaching role, adding hydrogen peroxide, operating for 10min, heating to 110 ℃, and preserving heat for 40min to enable the pretreatment solution to reach an optimal state, so that the effectiveness of combining the subsequent deoxidation and acidification processes is facilitated;
(2) draining water after the temperature of the step (1) is kept for 40min, cooling water at normal temperature after draining water, heating to 80 ℃ for first washing, and draining water after the first washing is finished;
(3) and (3) continuing to enter water after the water discharged in the step (2) is treated, keeping the water temperature at 30-40 ℃, adding hydrochloric acid, running for 20min, adding deoxyenzyme, removing residual oxygen in the bleaching solution, running for 20min, draining, then washing for the second time with normal-temperature water, draining, and then entering a dyeing link, wherein the use amount of the hydrochloric acid is 1g/l, the deoxyenzyme is DH-020 hydrogen peroxide removing enzyme, the use amount of the deoxyenzyme is 0.15-0.5g/l, the use amounts of all the auxiliary agents are based on the use amount of water entering and washing each time, and the bath ratio is 1:7 and 42 tons of water.
Example 2
Example 2 differs from example 1 in that: the dosage of the refining agent is 0.15 g/l; the dosage of the stabilizer-chelating dispersant is 1g/l, the dosage of the hydrochloric acid is 0.5g/l, and the dosage of the deoxyenzyme is 0.15 g/l.
The dosage of water for each time of water entry and water washing is as follows, the bath ratio is 1: 8.
example 3
Example 3 differs from example 1 in that: the dosage of the refining agent is 0.5 g/l; the dosage of the stabilizer-chelating dispersant is 3g/l, the dosage of the hydrochloric acid is 1.5g/l, and the dosage of the deoxyenzyme is 0.5 g/l.
The dosage of water for each time of water entry and water washing is as follows, the bath ratio is 1: 8.
comparative example
Taking 600KG barrel sand as an example, the bath ratio is 1:7, and the key components are as follows: 0.15g/l of deoxidizer, actual addition amount: 630G, 1G/L hydrochloric acid, and the actual addition amount: 4200G, the conventional process is as follows: adding an auxiliary agent for pretreatment (110-40 min) -, draining water, feeding water and washing with cold water at normal temperature, draining water, feeding water and adding acid (regulating PH) -, draining water, hot washing (80-10 min) -, draining water, feeding water and washing with cold water at normal temperature, draining water, feeding cold water at normal temperature and adding an oxygen-removing enzyme, draining water, feeding water and washing with cold water at normal temperature, draining water and going to a dyeing link; the process of the application is as follows: adding an auxiliary agent for pretreatment (110-40 min) -, draining, feeding water, carrying out hot washing at 80 ℃, draining, feeding water, adding acid (regulating PH), adding deoxyenzyme, draining, feeding water, carrying out cold water washing at normal temperature, draining → proceeding to a dyeing link, saving water for 3 times of washing in the middle, and saving water for 3 times and totaling 12.6 tons of water.
Performance testing
The process of acid addition and deoxidation separation before the traditional dyeing process and the process of acid addition and deoxidation combination in the application are subjected to performance test by using the same additive amount of the auxiliary agents, wherein the additive amount of the auxiliary agents is as follows: 600KG barrel sand, bath ratio 1:7, key components: 0.15g/l of deoxidizer, actual addition amount: 630G, 1G/L hydrochloric acid, and the actual addition amount: 4200G.
According to the requirements of national standards, the performance test is carried out on the yarn bobbin prepared by the traditional process, and the measured data are shown in the following table 1:
merging experimental data before process
The various performance parameters of the package obtained according to the operating process of example 1 of the present application are shown in table 2:
Claims (4)
1. a combined deoxidation and acidification process for bobbin dyeing is characterized by comprising the following steps:
(1) pretreatment of a yarn drum: putting a bobbin in water, adjusting the pump speed of a main pump to 90%, adding a refining agent, running the main pump for 5min, then adding a caustic soda main pump, running for 5min, then adding acid to adjust the pH to 3.5-5, adding a stabilizer-chelating dispersant, uniformly mixing, adding hydrogen peroxide, running for 10min, heating to 110 ℃, and keeping the temperature for 40 min;
(2) after the heat preservation of the step (1) is carried out for 40min, directly draining water, cooling water at normal temperature after draining water, heating to 80 ℃ for carrying out first water washing, and draining water after the first water washing is finished;
(3) and (3) continuing to enter water after the water drainage treatment in the step (2), keeping the water temperature at 30-40 ℃, adding hydrochloric acid, running for 20min, then adding deoxyenzyme, running for 20min, draining water, then washing for the second time with normal-temperature water, draining water, and entering a dyeing link.
2. The process for combined deoxygenation and acidification in bobbin dyeing according to claim 1, wherein: the refining agent in the step (1) is a non-ionic surfactant mixture, and the using amount is 0.15-0.5 g/l; the stabilizer-chelating dispersant is an acrylic polymer, and the dosage of the acrylic polymer is 1-3 g/l.
3. The process for combined deoxygenation and acidification in cone dyeing of claim 2, wherein: the dosage of the hydrochloric acid in the step (3) is 0.5-1.5g/l, and the dosage of the deoxyenzyme is 0.15-0.5 g/l.
4. The process for combined deoxygenation and acidification in cone dyeing of claim 3, wherein: the dosage of water for each time of water feeding and water washing is 1:7-1: 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255246.5A CN112342779A (en) | 2020-11-11 | 2020-11-11 | Process for combining deoxidation and acidification in yarn barrel dyeing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255246.5A CN112342779A (en) | 2020-11-11 | 2020-11-11 | Process for combining deoxidation and acidification in yarn barrel dyeing |
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| Publication Number | Publication Date |
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| CN112342779A true CN112342779A (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011255246.5A Pending CN112342779A (en) | 2020-11-11 | 2020-11-11 | Process for combining deoxidation and acidification in yarn barrel dyeing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197223A (en) * | 2022-02-08 | 2022-03-18 | 青岛华绵水洗制衣有限公司 | Dyeing treatment process suitable for single jersey |
| CN116253421A (en) * | 2022-11-29 | 2023-06-13 | 嘉兴沃特泰科环保科技股份有限公司 | Hydrogen peroxide remover for water treatment, preparation method and application |
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| CN110055758A (en) * | 2019-04-04 | 2019-07-26 | 愉悦家纺有限公司 | Method for sizing and device in a kind of flax cylinder |
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2020
- 2020-11-11 CN CN202011255246.5A patent/CN112342779A/en active Pending
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| JP2003336180A (en) * | 2002-05-13 | 2003-11-28 | Ipposha Oil Ind Co Ltd | Method for scouring, bleaching and dyeing fiber by one bath |
| CN101265658A (en) * | 2008-05-07 | 2008-09-17 | 江苏华佳丝绸有限公司 | Pure cotton fabric bleaching process |
| CN102733166A (en) * | 2012-07-19 | 2012-10-17 | 天津田歌纺织有限公司 | Low-temperature pre-treatment process of cellulose fiber and cheese made of blend fiber of cellulose fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114197223A (en) * | 2022-02-08 | 2022-03-18 | 青岛华绵水洗制衣有限公司 | Dyeing treatment process suitable for single jersey |
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| CN116253421A (en) * | 2022-11-29 | 2023-06-13 | 嘉兴沃特泰科环保科技股份有限公司 | Hydrogen peroxide remover for water treatment, preparation method and application |
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Application publication date: 20210209 |