CN107724082A - A kind of destarch fabric production technology - Google Patents
A kind of destarch fabric production technology Download PDFInfo
- Publication number
- CN107724082A CN107724082A CN201711219320.6A CN201711219320A CN107724082A CN 107724082 A CN107724082 A CN 107724082A CN 201711219320 A CN201711219320 A CN 201711219320A CN 107724082 A CN107724082 A CN 107724082A
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- Prior art keywords
- pva
- salting
- production technology
- flocculant
- desizing
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- 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
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/14—De-sizing
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention provides a kind of destarch fabric production technology that can reduce discharging slurry, Resource recovery, comprises the following steps：Starching is carried out to yarn using the slurry containing PVA；Weave cotton cloth forming fabric using yarn；Desizing is carried out to fabric and collects desizing water；20 1h will be stood after desizing water filtration and take supernatant liquor；Concentration is carried out to clear liquid and forms PVA recovered liquids；The pH to 8.5 9.5 of PVA recovered liquids is adjusted, salting-out agents and flocculant are added into PVA recovered liquids makes PVA flocks；It is filtrated to get recovery PVA and filtrate；Cleaning is carried out to recovery PVA and removes the salting-out agents and flocculant of attachment, and slurry is made starching is carried out to yarn；The usage amount for carrying out reclaiming PVA to yarn in the slurry of starching is not more than the 25% of total PVA usage amounts.The technique of the present invention, by being reclaimed in weaving process to the PVA in slurry, is re-used in slashing operation, is realized the recycling for improving PVA, is reduced PVA discharge, realize PVA comprehensive utilization.
Description
Technical field
The present invention relates to a kind of fabric production technology, belong to textile technology field.
Background technology
Fabric is made into by warp and yarn, is produced broken end in weaving to prevent or reducing yarn, is improved operating efficiency,
Yarn is handled with slurry, increases intensity, turns into starching.
Material category used in warp sizing is a lot, can generally be divided into two major classes, one kind is sticker, another kind of to be
Auxiliary agent.
1st, sticker is a kind of material with adhesion strength, it be modulate slurries stock, thus also referred to as based on starch
Material.Main slurry (sticker) it is conventional have three major types, i.e., various starch（Cornstarch, wheaten starch and farina）；It is poly-
Vinyl alcohol, commonly referred to as PVA；Polyacrylic size.Main slurry requirement has preferable cohesive force with yarn, and can be in yarn table
Face forms thin film, to reach patch volt filoplume and wear-resisting purpose.
2nd, auxiliary agent be in order to improve the auxiliary material used in the deficiency of some performances of main slurry, it is big under general dosage, but plant
Class is many.Such as starch distintegrant, softening agent, smooth agent, plasticizer, antistatic additive.
In the prior art, after fabric has produced, printing and dyeing mill is directly fed, destarch is carried out to fabric by printing and dyeing mill, printed
Dye-works carries out destarch and problems be present：
Contain substantial amounts of slurry in destarch water, the discharge of slurry can cause the serious pollution of environment, and different producers of weaving cotton cloth makes
Paste composition differs, and causes destarch water constituent extremely complex, and the pulp-water composition per batch is also very different,
Cause the recovery of each composition in destarch water difficult, even if energy recovery section slurry, is also only used for other purposes, it is impossible to knitted with returning
Cloth.And the paste composition that uses of producer of weaving cotton cloth differs and also results in printing and dyeing mill and can not hold accurate desizing, therefore
Destarch effect can not precisely be held.After this recovery system, sewage discharge COD is by 14 500 original mg/L after tested
3 below 000mg/L are reduced to, greatly reduce sewage disposal burden, finally realize the purpose of inexpensive, green dyeing and finishing.
The content of the invention
The invention solves above-mentioned technical problem, there is provided a kind of to be easy to reclaim slurry, accurately hold destarch effect
Fabric production technology.
It is an object of the invention to provide a kind of fabric production technology, comprise the following steps：
Starching is carried out to yarn using the slurry containing PVA；
Weave cotton cloth forming fabric using yarn；
Desizing directly is carried out to fabric knitting factory.
Preferably, fabric production technology of the invention,
Desizing water is collected after desizing is carried out to fabric；
20min-1h will be stood after desizing water filtration and take supernatant liquor；
Concentration is carried out to clear liquid and forms PVA recovered liquids；
PH to the 8.5-9.5 of PVA recovered liquids is adjusted, salting-out agents and flocculant are added into PVA recovered liquids makes PVA flocks；
It is filtrated to get recovery PVA and filtrate；
Cleaning is carried out to recovery PVA and removes the salting-out agents and flocculant of attachment, and slurry is made starching is carried out to yarn；
The usage amount for carrying out reclaiming PVA to yarn in the slurry of starching is not more than the 25% of total PVA usage amounts.
Preferably, fabric production technology of the invention, the filtrate measure concentration and saltoutd for offer after being concentrated
Agent and flocculant, pH value is adjusted after concentration to 7-8.
Preferably, fabric production technology of the invention, take and the salting-out agents and flocks that cleaning removes attachment are carried out to recovery PVA
Cleaning fluid after agent is used to carry out desizing to fabric.
Preferably, fabric production technology of the invention, the salting-out agents are sodium sulphate, and the flocculant is borax, described
Salting-out agents and the mass ratio of flocculant are 8-12:1.
Preferably, fabric production technology of the invention, salting-out agents are added into PVA recovered liquids and the amount of flocculant is：Sulphur
Sour sodium 10-15g/L, borax 1-1.5g/L, reaction time 10-20min, reaction temperature t are 25-35 DEG C.
Preferably, fabric production technology of the invention, clear liquid is concentrated by the way of film dialysis, and PVA contains
Low solution is measured to be used to carry out desizing to fabric.
Preferably, fabric production technology of the invention, the filtrate are repeatedly used to carry out desizing until PVA concentration in filtrate
Higher than 4.5g/L.
Preferably, fabric production technology of the invention, PVA concentration is not less than 8g/L after being concentrated to clear liquid.
The beneficial effects of the invention are as follows：
1. the fabric production technology of the present invention, the i.e. progress destarch after weaving cotton cloth, because producer of weaving cotton cloth knows the slurry that uses oneself
Expect composition, and paste composition is highly stable, thus accurate desizing can be held, improve destarch effect.And various slurries
It is easy to reclaim and use in weaving process again.
2. the fabric production technology of the present invention, by being reclaimed to the PVA in slurry, slashing operation is arrived in re-using
In, the recycling for improving PVA is realized, PVA discharge is reduced, realizes PVA comprehensive utilization.While to yarn
The usage amount for reclaimed in the slurry of starching PVA is not more than the 25% of total PVA usage amounts, is mixed into 25% recovery in the slurry
PVA, the performance of starching can not be influenceed in the case where at utmost using recovery PVA.
3. the fabric production technology of the present invention, after filtrate is concentrated, improving the concentration of salting-out agents and flocculant, and return
Configuration salting-out agents and flocculant are back to, realize recycling for salting-out agents and flocculant, regulation pH value to 7-8 is for not shadow
Ring the use of salting-out agents and flocculant.
4. the fabric production technology of the present invention, after salting-out agents and the flocculant that cleaning removes attachment are carried out to recovery PVA
Salting-out agents and flocks agent concentration in cleaning fluid reduce, and return for carrying out desizing to fabric, hardly cause shadow to desizing
Ring, but realize the comprehensive utilization of water, while salting-out agents and flocculant can again be enriched with, make this part salting-out agents and flocks
Agent reaches recyclable value.
5. the fabric production technology of the present invention, the salting-out agents are sodium sulphate, the flocculant is borax, the salting-out agents
Mass ratio with flocculant is 8-12:1, salting-out agents are added into PVA recovered liquids and the amount of flocculant is：Sodium sulphate 10-15g/
L, borax 1-1.5g/L, reaction time 10-20min, reaction temperature t are 25-35 DEG C.The reaction condition is optimum reaction condition,
Can quick flocks while, the usage amount of salting-out agents and flocculant is reduced to floor level.
6. the fabric production technology of the present invention, clear liquid is concentrated by the way of film dialysis, and PVA contents are low
Solution is used to carry out desizing to fabric, with using water wisely, can realize the comprehensive utilization of water resource in this way.
7. the present invention fabric production technology, the filtrate repeatedly be used for carry out desizing until in filtrate PVA concentration be higher than
4.5g/L.Desizing is used as by the multiple return of filtrate, enrichment PVA can be made, improves the content of initial p VA before concentration, is reduced dense
Contracting required time and energy.
8. the fabric production technology of the present invention, PVA concentration is not less than 8g/L after being concentrated to clear liquid.Under the concentration
The recovering effect of saltouing of PVA concentration is best, and the PVA rate of recovery can reach more than 90%.
Embodiment
Embodiment 1
A kind of fabric production technology, comprises the following steps：
Starching is carried out to yarn using the slurry containing PVA；
Weave cotton cloth forming fabric using yarn；
Desizing directly is carried out to fabric knitting factory.
The fabric production technology of the present embodiment, destarch is carried out after weaving cotton cloth, because producer of weaving cotton cloth knows to use oneself
Paste composition, and paste composition is highly stable, thus can hold accurate desizing, improves destarch effect.It is and various
Slurry is easy to reclaim and use in weaving process again.
Embodiment 2
The present embodiment provides a kind of fabric production technology, comprises the following steps：
S1：Starching is carried out to yarn using the slurry containing PVA；
S2：Weave cotton cloth forming fabric using yarn；
S3：Desizing is carried out to fabric and collects desizing water；
S4：20-60min will be stood after desizing water filtration and take supernatant liquor（Starch is got rid of by filtering, takes supernatant liquor
It is to remove the high part of lower floor's starch concentration）, the filtrate is repeatedly used to carry out desizing until PVA in filtrate before standing
Concentration is higher than 4.5g/L；
S5：Concentration is carried out to clear liquid and forms PVA recovered liquids, clear liquid is concentrated by the way of film dialysis, PVA is dense after concentration
Degree be not less than 8g/L, and the low solution of PVA contents is used for fabric progress desizing；
S6：Using pH to the 8.5-9.5 of sodium carbonate regulation PVA recovered liquids, into PVA recovered liquids, addition salting-out agents and flocculant make
PVA flocks, salting-out agents are added into PVA recovered liquids and the amount of flocculant is：Sodium sulphate 10g/L, borax 1g/L, reaction time
10min, reaction temperature t are 25 DEG C；
S7：Be filtrated to get recovery PVA and filtrate, filtrate concentration is measured after being concentrated and using sulphur acid for adjusting pH value to 7-8 after
Salting-out agents and flocculant are provided for S6 steps；
S8：The salting-out agents that cleaning removes attachment are carried out to recovery PVA（Sodium sulphate）And flocculant（Borax）, and slurry is made to yarn
Line carries out starching, cleaning fluid（Waste liquid after cleaning）For carrying out desizing to fabric；
The usage amount for carrying out reclaiming PVA to yarn in the slurry of starching is not more than the 25% of total PVA usage amounts.
Embodiment 3
The present embodiment provides a kind of fabric production technology, comprises the following steps：
S1：Starching is carried out to yarn using the slurry containing PVA；
S2：Weave cotton cloth forming fabric using yarn；
S3：Desizing is carried out to fabric and collects desizing water；
S4：20-60min will be stood after desizing water filtration and take supernatant liquor（Starch is got rid of by filtering, takes supernatant liquor
It is to remove the high part of lower floor's starch concentration）, the filtrate is repeatedly used to carry out desizing until PVA in filtrate before standing
Concentration is higher than 4.5g/L；
S5：Concentration is carried out to clear liquid and forms PVA recovered liquids, clear liquid is concentrated by the way of film dialysis, PVA is dense after concentration
Degree be not less than 8g/L, and the low solution of PVA contents is used for fabric progress desizing；
S6：PH to the 8.5-9.5 of PVA recovered liquids is adjusted, salting-out agents and flocculant are added into PVA recovered liquids makes PVA flocks, to
Salting-out agents are added in PVA recovered liquids and the amount of flocculant is：Sodium sulphate 12g/L, borax 1.2g/L, reaction time 15min, reaction
Temperature t is 20 DEG C；
S7：It is filtrated to get recovery PVA and filtrate, filtrate measures concentration after being concentrated and adjusts pH value to being S6 steps after 7-8
Salting-out agents and flocculant are provided；
S8：The salting-out agents that cleaning removes attachment are carried out to recovery PVA（Sodium sulphate）And flocculant（Borax）, and slurry is made to yarn
Line carries out starching, cleaning fluid（Waste liquid after cleaning）For carrying out desizing to fabric；
The usage amount for carrying out reclaiming PVA to yarn in the slurry of starching is not more than the 25% of total PVA usage amounts.
Embodiment 4
The present embodiment provides a kind of fabric production technology, comprises the following steps：
S1：Starching is carried out to yarn using the slurry containing PVA；
S2：Weave cotton cloth forming fabric using yarn；
S3：Desizing is carried out to fabric and collects desizing water；
S4：20-60min will be stood after desizing water filtration and take supernatant liquor（Starch is got rid of by filtering, takes supernatant liquor
It is to remove the high part of lower floor's starch concentration）, the filtrate is repeatedly used to carry out desizing until PVA in filtrate before standing
Concentration is higher than 4.5g/L；
S5：Concentration is carried out to clear liquid and forms PVA recovered liquids, clear liquid is concentrated by the way of film dialysis, PVA is dense after concentration
Degree be not less than 8g/L, and the low solution of PVA contents is used for fabric progress desizing；
S6：PH to the 8.5-9.5 of PVA recovered liquids is adjusted, salting-out agents and flocculant are added into PVA recovered liquids makes PVA flocks, to
Salting-out agents are added in PVA recovered liquids and the amount of flocculant is：Sodium sulphate 15g/L, borax 1.5g/L, reaction time 20min, reaction
Temperature t is 35 DEG C；
S7：It is filtrated to get recovery PVA and filtrate, filtrate measures concentration after being concentrated and adjusts pH value to being S6 steps after 7-8
Salting-out agents and flocculant are provided；
S8：The salting-out agents that cleaning removes attachment are carried out to recovery PVA（Sodium sulphate）And flocculant（Borax）, and slurry is made to yarn
Line carries out starching, cleaning fluid（Waste liquid after cleaning）For carrying out desizing to fabric；
The usage amount for carrying out reclaiming PVA to yarn in the slurry of starching is not more than the 25% of total PVA usage amounts.
Salting-out agents can also use the inorganic salts of the Ith or the IIth race's metallic element in the periodic table of elements.
The fabric production technology of above-described embodiment has advantages below：
1. the fabric production technology of above-described embodiment, by being reclaimed to the PVA in slurry, slashing operation is arrived in re-using
In, the recycling for improving PVA is realized, PVA discharge is reduced, realizes PVA comprehensive utilization.While to yarn
The usage amount for reclaimed in the slurry of starching PVA is not more than the 25% of total PVA usage amounts, is mixed into 25% recovery in the slurry
PVA, the performance of starching can not be influenceed in the case where at utmost using recovery PVA.
2. the fabric production technology of above-described embodiment, after filtrate is concentrated, the concentration of salting-out agents and flocculant is improved,
And return for configuring salting-out agents and flocculant, realize recycling for salting-out agents and flocculant, regulation pH value to 7-8 be in order to
The use of salting-out agents and flocculant is not influenceed.
3. the fabric production technology of above-described embodiment, salting-out agents and flocculant that cleaning removes attachment are carried out to recovery PVA
Salting-out agents in cleaning fluid and flocks agent concentration afterwards reduce, and return for carrying out desizing to fabric, hardly desizing is made
Into influence, but realize the comprehensive utilization of water, while salting-out agents and flocculant can again be enriched with, make this part salting-out agents and
Flocculant reaches recyclable value.
4. the fabric production technology of above-described embodiment, the salting-out agents are sodium sulphate, and the flocculant is borax, the salt
The mass ratio for analysing agent and flocculant is 8-12:1, salting-out agents are added into PVA recovered liquids and the amount of flocculant is：Sodium sulphate 10-
15g/L, borax 1-1.5g/L, reaction time 10-20min, reaction temperature t are 25-35 DEG C.The reaction condition is peak optimization reaction bar
Part, can quick flocks while, the usage amount of salting-out agents and flocculant is reduced to floor level.
5. the fabric production technology of above-described embodiment, clear liquid is concentrated by the way of film dialysis, and PVA contents
Low solution is used to carry out desizing to fabric, with using water wisely, can realize the comprehensive utilization of water resource in this way.
6. the fabric production technology of above-described embodiment, the filtrate is repeatedly used to carry out desizing until PVA concentration in filtrate
Higher than 4.5g/L.Desizing is used as by the multiple return of filtrate, enrichment PVA can be made, improves the content of initial p VA before concentration, drop
Low concentration required time and energy.
7. the fabric production technology of above-described embodiment, PVA concentration is not less than 8g/L after being concentrated to clear liquid.Under the concentration
PVA concentration recovering effect of saltouing it is best, the PVA rate of recovery can reach more than 90%.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (9)
1. a kind of destarch fabric production technology, it is characterised in that comprise the following steps：
Starching is carried out to yarn using the slurry containing PVA；
Weave cotton cloth forming fabric using yarn；
Desizing directly is carried out to fabric knitting factory.
2. destarch fabric production technology according to claim 1, it is characterised in that
Desizing water is collected after desizing is carried out to fabric；
20min-1h will be stood after desizing water filtration and take supernatant liquor；
Concentration is carried out to clear liquid and forms PVA recovered liquids；
PH to the 8.5-9.5 of PVA recovered liquids is adjusted, salting-out agents and flocculant are added into PVA recovered liquids makes PVA flocks；
It is filtrated to get recovery PVA and filtrate；
Cleaning is carried out to recovery PVA and removes the salting-out agents and flocculant of attachment, and slurry is made starching is carried out to yarn；
The usage amount for carrying out reclaiming PVA to yarn in the slurry of starching is not more than the 25% of total PVA usage amounts.
3. destarch fabric production technology according to claim 1 or 2, it is characterised in that the filtrate is surveyed after being concentrated
Amount concentration simultaneously adjusts pH value to 7-8 for providing salting-out agents and flocculant, after concentration.
4. the destarch fabric production technology according to claim any one of 1-3, it is characterised in that take and carried out to recovery PVA
Cleaning fluid after the salting-out agents and flocculant of cleaning removal attachment is used to carry out desizing to fabric.
5. the destarch fabric production technology according to claim any one of 1-4, it is characterised in that the salting-out agents are sulfuric acid
Sodium, the flocculant are borax, and the mass ratio of the salting-out agents and flocculant is 8-12:1.
6. the destarch fabric production technology according to claim any one of 1-5, it is characterised in that add into PVA recovered liquids
The amount for entering salting-out agents and flocculant is：Sodium sulphate 10-15g/L, borax 1-1.5g/L, reaction time 10-20min, reaction temperature t
For 25-35 DEG C.
7. the destarch fabric production technology according to claim any one of 1-6, it is characterised in that by the way of film dialysis
Clear liquid is concentrated, and the low solution of PVA contents is used to carry out desizing to fabric.
8. the destarch fabric production technology according to claim any one of 1-7, it is characterised in that the filtrate is repeatedly used for
Carry out desizing until in filtrate PVA concentration be higher than 4.5g/L.
9. the destarch fabric production technology according to claim any one of 1-8, it is characterised in that after being concentrated to clear liquid
PVA concentration is not less than 8g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711219320.6A CN107724082A (en) | 2017-11-28 | 2017-11-28 | A kind of destarch fabric production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219320.6A CN107724082A (en) | 2017-11-28 | 2017-11-28 | A kind of destarch fabric production technology |
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| CN107724082A true CN107724082A (en) | 2018-02-23 |
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ID=61218708
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| CN201711219320.6A Pending CN107724082A (en) | 2017-11-28 | 2017-11-28 | A kind of destarch fabric production technology |
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| CN108797125A (en) * | 2018-06-28 | 2018-11-13 | 淮安市盛威织造有限公司 | A kind of method of spinning sizing agent recycling |
| CN109137505A (en) * | 2018-07-25 | 2019-01-04 | 安徽新生纺织有限公司 | A kind of method of spinning sizing agent recycling and reusing |
| JP2020116535A (en) * | 2019-01-25 | 2020-08-06 | 大研医器株式会社 | Waste liquid disposal composition and waste liquid disposal method |
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Application publication date: 20180223 |