CN102517644A - Cocoon cooking method for preparing high-quality grade-6A raw silk - Google Patents
Cocoon cooking method for preparing high-quality grade-6A raw silk Download PDFInfo
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- CN102517644A CN102517644A CN2011103670001A CN201110367000A CN102517644A CN 102517644 A CN102517644 A CN 102517644A CN 2011103670001 A CN2011103670001 A CN 2011103670001A CN 201110367000 A CN201110367000 A CN 201110367000A CN 102517644 A CN102517644 A CN 102517644A
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- 238000010411 cooking Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 230000008595 infiltration Effects 0.000 claims abstract description 29
- 238000001764 infiltration Methods 0.000 claims abstract description 29
- 230000003204 osmotic effect Effects 0.000 claims description 29
- 239000002253 acid Substances 0.000 claims description 17
- 238000009835 boiling Methods 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 241000255789 Bombyx mori Species 0.000 abstract 6
- 230000002378 acidificating effect Effects 0.000 abstract 3
- 239000003292 glue Substances 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 206010018291 Gingival swelling Diseases 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- KNVAYBMMCPLDOZ-UHFFFAOYSA-N propan-2-yl 12-hydroxyoctadecanoate Chemical compound CCCCCCC(O)CCCCCCCCCCC(=O)OC(C)C KNVAYBMMCPLDOZ-UHFFFAOYSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The invention discloses a cocoon cooking method for preparing high-quality grade-6A raw silk, which comprises the following steps: firstly carrying out vacuum infiltration on a silkworm cocoon by utilizing alkaline ionized water with a pH value of 7.5-8.5, then impregnating the silkworm cocoon subjected to the vacuum infiltration by utilizing acidic ionized water with a pH value of 4.5-6.5, cooking the impregnated silkworm cocoon in a machine and adding a certain amount of acidic ionized water at the low-temperature infiltration part. Compared with the background art, the cocoon cooking method has the advantages that a water molecular cluster of the alkaline ionized water is small, the surface tension is small, the infiltration is strong, the water is easy to enter an adhesive part of silk glue, so that the infiltration on a cocoon shell is uniform to be beneficial to improving the clean index of the raw silk; and as the silkworm cocoon subjected to the vacuum infiltration is impregnated by utilizing the acidic ionized water, the surface of the silkworm cocoon subjected to the vacuum infiltration is converted from alkalescence to neutrality or weak acidity so as to be beneficial to reducing the silk glue melting loss on the outer layer of the silkworm cocoon, thereby the cohesion indicator of the raw silk is improved. The cocoon cooking method has the advantages of simplicity, environment friendliness and no pollution.
Description
Technical field
The present invention relates to a kind of cocoons-boiling method of raw silk, specifically relate to a kind of cocoons-boiling method for preparing elaboration 6A level raw silk.
Background technology
Silk silk fabric industry is that minority can be dominated one of strong industry of international market after the China's accession to WTO, and China's raw silk and greig output account for more than 70% and 45% of Gross World Product respectively, and export volume accounts for about 80% and 60% of international market volume of trade respectively.In the existing national standard, the highest ranking of raw silk is the 6A level, but in recent years, European client proposes to be higher than the control indexes requirement of our national standard highest ranking 6A level raw silk to the raw silk product.Such as: clean index 96 minutes, disconnect request 0 time, obvolvent index request 110 is inferior, and enterprise is with this raw silk called after elaboration 6A level raw silk that is higher than the highest ranking requirement.This technology trade requirement owing to surpassed the highest ranking of our national raw silk standard, has limited a lot of enterprise products and has exported to Europe, Japan, has had a strong impact on to produce the existence of the outlet silk type main enterprise that is.Therefore, how to research and develop and be higher than highest ranking 6A level raw silk (elaboration 6A level raw silk) among standard GB/T1797-2008 " raw silk ",, improve filature enterprise right of speech and pricing right at home and abroad for breaking the foreign technology trade measure, significant.
In all indexs of raw silk of elaboration 6A level, unapproachable index is mainly the clean index of raw silk and the obvolvent index of raw silk.And the clean index of raw silk receives outside the influence of the quality of raw material cocoon own, also with cocoon cooking process direct correlation is arranged, and further the research back finds that the vacuum infiltration process in the process of cocoon has tangible influence to clean index.But existing vacuum infiltration process to the deadlocked serious position osmosis of cocoon layer a little less than; The silk gum swelling capacity is little; Influence the raising of clean index; Therefore, existing silk reeling technology is difficult to reach the requirement of elaboration 6A level raw silk to clean index, how to improve clean index and has become one of bottleneck of preparation elaboration 6A level raw silk.And use chemical assistant often when improving clean index, other indexs such as that influence is separated is easypro, reel silk from cocoons folding, and also can bring environmental pollution to a certain degree.
The obvolvent index of raw silk is meant that mat silk gum is bonding and boundling becomes the silk of raw silk, stands the complexity that divides after the repeated friction, has reflected deadlocked firm degree between the silk that constitutes raw silk.The obvolvent index of raw silk is except outside the Pass itself having with the raw material cocoon, and same and cocoon cooking process has very big relation.Insufficient or the cocoon cooking silk gum of silk gum swelling dissolves and loses excessively in process of cocoon, all will influence the obvolvent index of raw silk.And conventional cocoon cooking process will reach the obvolvent index of elaboration 6A level raw silk, and certain degree of difficulty is arranged.Particularly clean index and obvolvent index reach the index request of elaboration 6A level raw silk simultaneously, and difficulty is bigger.
Summary of the invention
Problem to above-mentioned existence; The object of the present invention is to provide a kind of cocoons-boiling method for preparing elaboration 6A level raw silk; Be to break existing cocoon cooking silk reeling technology to be difficult to reach require this technical bottleneck of elaboration 6A level raw silk to cleaning, obvolvent index; Improve the cleaning of raw silk, the obvolvent index makes its desired value reach the index request of elaboration 6A level raw silk.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
1) adopting pH is that 7.5～8.5 alkali ion water (brine electrolysis) carries out vacuum infiltration to silk cocoon, and the infiltration temperature is normal temperature～40 ℃, and vacuum is 0.09 ~ 0.1 Mpa, and the speed of evacuation is 50-70 liter/second;
2) silk cocoon behind the vacuum infiltration being used pH is 4.5～6.5 acid ion water rettings 30～60 seconds; Yet the silk cocoon after will flooding moves into cocoon cooking machine; Get into the low temperature osmotic portion of cocoon cooking machine, cocoon cooking in the beginning machine, and to utilize pH be 4.5～6.5 the acid electrolyzed functional water part as the supplementing water of low temperature osmotic portion; The speed of splashing into is 5.0 liters/hour of 1 liter/h ~, with pH to 7.0 ~ 6.8 of the low temperature osmotic portion water that reduces cocoon cooking machine;
3) temperature of institute of low temperature osmotic portion water is 48 ~ 55 ℃, and high back was low before the temperature of cure bag adopted, and temperature is 100～96 ℃; 54～62 ℃ of vapo(u)rizing temperatures; 54～62 ℃ of middle coolant-temperature gages shake 48～56 ℃ of temperature, quiet 36～45 ℃ of the temperature of boiling; 25～35 ℃ of protection temperature, the cocoon cooking single-revolution time is 12 ~ 15 minutes.
4) through this cocoons-boiling method, quality index such as the cleaning of the raw silk for preparing, obvolvent surpass the raw silk of highest ranking 6A level index request among standard GB/T1797-2008 " raw silk ", solve the bottleneck problem of the 6A level raw silk that produces choice goods at present.
The present invention compared with prior art has following beneficial effect:
1) vacuum infiltration cocoon cooking institute water is the alkali ion water of pH value 7.5-8.5.This ionized water is alkalescent, and water clusters is little, and surface tension is little; Permeability is strong, and dissolving power is strong, gets into the deadlocked part of weight of silk gum easily; Thereby make the infiltration of cocoon layer even; Improved the swelling performance of cocoon layer silk gum, reduced of the influence of cocoon quality difference, helped improving the clean index of raw silk the filature quality.
2) in the ionized water generative process; Except alkali ion water; Also have acid ion, utilize the silk cocoon behind the acid ion water retting vacuum infiltration, make that the surface of silk cocoon changes into neutrality or faintly acid by alkalescent behind the vacuum infiltration; Help reducing the molten mistake of the outer field silk gum of silk cocoon in the process of cocoon, thereby improve the obvolvent index of raw silk.
3) solved in the prior art, clean index and obvolvent index are difficult to reach simultaneously the difficult problem of elaboration 6A level raw silk index request.
4) to be ordinary tap water get into effectively ionized groove through purifying the back to ionized water, makes water generates ionization and the alkali ion water and the acid electrolyzed functional water that make, and needed raw material is with low cost, and the preparation method is simple.
5) infiltration has solved because of the auxiliary agent improper use with not adding any chemical assistant in the ionized water, influences problems such as reel silk from cocoons folding and silk quality, has the characteristics of environmental protection.
The specific embodiment
Embodiment 1:
Select for use the Zhejiang Jiaxing flood to close cocoon station autumn cocoon in 2009, utilizing pH is 7.5 ionized water, carries out vacuum infiltration, and the infiltration temperature is a normal temperature, vacuum 0.09Mpa, and the speed of evacuation is 50 L/S; Utilize the acid water that takes place in the ion water generator, pH is 6.5, and the silk cocoon behind the vacuum infiltration is flooded; Dip time is 1 minute, and the silk cocoon behind the dipping is moved into cocoon cooking machine, gets into the low temperature osmotic portion of cocoon cooking machine; Cocoon cooking in the beginning machine inserts the acid electrolyzed functional water filling pipe in the low temperature osmotic portion of cocoon cooking machine, is that 6.5 acid electrolyzed functional water splashes into low temperature osmotic portion with pH; Part as low temperature osmotic portion supplementing water; The speed of splashing into is 1L/h, with the pH value of suitable reduction low temperature osmotic water, makes pH to 6.9 ~ 7.0 of low temperature osmotic portion water.The temperature of low temperature osmotic portion is 50 ℃, and the temperature of cure bag is 99～96 ℃, vapo(u)rizing temperature 54-56 ℃, and middle coolant-temperature gage 54-56 ℃, shake temperature 48-50 ℃, quietly boil temperature 36-39 ℃, 25-28 ℃ of protection temperature.The cocoon cooking single-revolution time is 12 minutes.Cooked cocoon reel silk from cocoons system 20/22D raw silk.Through check, the clean index of the raw silk that obtains is 98.65 minutes, reaches the requirement of elaboration 6A level raw silk to clean index, and the obvolvent index is 112 times, reaches the requirement of elaboration 6A level raw silk to the obvolvent index fully.
Embodiment 2:
Select Thousand-Island Lake, Zhejiang spring cocoon in 2009 for use, utilizing pH is 7.8 ionized water, carries out vacuum infiltration, and the infiltration temperature is a normal temperature, vacuum 0.096Mpa, and the speed of evacuation is 65 liters/second; Utilize the acid water that takes place in the ion water generator, pH is 5.8, and the silk cocoon behind the vacuum infiltration is flooded, and dip time is 30s.With the low temperature osmotic portion that gets into cocoon cooking machine; Cocoon cooking in the beginning machine, and, acid electrolyzed functional water is splashed into low temperature osmotic portion at the access acid electrolyzed functional water filling pipe of low temperature osmotic portion; Part as low temperature osmotic portion supplementing water; The speed of splashing into is 2.6 liters/hour, to reduce the pH value of low temperature osmotic water, makes pH to 6.9 ~ 7.0 of low temperature osmotic portion water.The temperature of low temperature osmotic portion is 50 ℃, and the temperature of cure bag is 99～96 ℃, 55～58 ℃ of vapo(u)rizing temperatures, and 56～58 ℃ of middle coolant-temperature gages shake 52～54 ℃ of temperature, quiet 40～43 ℃ of the temperature of boiling, 30-32 ℃ of protection temperature.The cocoon cooking single-revolution time is 13 minutes.Cooked cocoon reel silk from cocoons system 20/22D raw silk.Through check, the clean index of the raw silk that obtains is 98.15 minutes, reaches the requirement of elaboration 6A level raw silk to clean index, and the obvolvent index is 115 times, reaches the requirement of elaboration 6A level raw silk to the obvolvent index fully.
Embodiment 3:
Select for use the Zhejiang Jiaxing flood to close cocoon station spring cocoon in 2010, utilizing pH is 8.5 ionized water, carries out vacuum infiltration, infiltration temperature 40
oC, vacuum 0.1 Mpa, the speed of evacuation is 70 liters/second; Utilize the acid water that takes place in the ion water generator, pH is 4.5, and the silk cocoon behind the vacuum infiltration is flooded; Dip time is 1 minute, and the silk cocoon behind the dipping is moved into cocoon cooking machine, gets into the low temperature osmotic portion of cocoon cooking machine; Cocoon cooking in the beginning machine inserts the acid electrolyzed functional water filling pipe in the low temperature osmotic portion of cocoon cooking machine, is that 4.5 acid electrolyzed functional water splashes into low temperature osmotic portion with pH; Part as low temperature osmotic portion supplementing water; The speed of splashing into is 5.0 liters/hour, with the pH value of suitable reduction low temperature osmotic water, makes pH to 6.8 ~ 6.9 of low temperature osmotic portion water.The temperature of low temperature osmotic portion is 55 ℃, and the temperature of cure bag is 100～97 ℃, 60～62 ℃ of vapo(u)rizing temperatures, and 60～62 ℃ of middle coolant-temperature gages shake 54～56 ℃ of temperature, quiet 42～45 ℃ of the temperature of boiling, the protection temperature is less than 30～33 ℃.The cocoon cooking single-revolution time is 15 minutes.Cooked cocoon reel silk from cocoons system 20/22D raw silk.Through check, the clean index of the raw silk that obtains is 98.35 minutes, reaches the requirement of elaboration 6A level, and the obvolvent index is 115 times, reaches the requirement of elaboration 6A level raw silk to obvolvent fully.
Claims (2)
1. cocoons-boiling method for preparing elaboration 6A level raw silk is characterized in that:
1) adopting pH is that 7.5～8.5 alkali ion water carries out vacuum infiltration to silk cocoon, and the infiltration temperature is normal temperature～40 ℃, and vacuum is 0.09 ~ 0.1 Mpa, and the speed of evacuation is 50-70 liter/second;
2) silk cocoon behind the vacuum infiltration being used pH is 4.5～6.5 acid ion water rettings 30～60 seconds; Yet the silk cocoon after will flooding moves into cocoon cooking machine; Get into the low temperature osmotic portion of cocoon cooking machine, cocoon cooking in the beginning machine, and to utilize pH be 4.5～6.5 the acid electrolyzed functional water part as the supplementing water of low temperature osmotic portion; The speed of splashing into is 5 liters/hour of 1 liter/h ~, with pH to 7.0 ~ 6.8 of the low temperature osmotic portion water that reduces cocoon cooking machine;
3) temperature of institute of low temperature osmotic portion water is 48 ~ 55 ℃, and high back was low before the temperature of cure bag adopted, and temperature is 100～96 ℃; 54～62 ℃ of vapo(u)rizing temperatures; 54～62 ℃ of middle coolant-temperature gages shake 48～56 ℃ of temperature, quiet 36～45 ℃ of the temperature of boiling; 25～35 ℃ of protection temperature, the cocoon cooking single-revolution time is 12 ~ 15 minutes.
2. a kind of cocoons-boiling method for preparing elaboration 6A level raw silk according to claim 1 is characterized in that: the elaboration 6A level raw silk of preparation is meant that its quality index requires to surpass the raw silk of highest ranking 6A level index request among standard GB/T1797-2008 " raw silk ".
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205817A (en) * | 2013-02-28 | 2013-07-17 | 杭州金利丝业有限公司 | Silk producing method |
| CN103225112A (en) * | 2013-05-17 | 2013-07-31 | 安徽绩溪县花神丝绸有限公司 | Cleaning cocoon cooking method |
| CN103668475A (en) * | 2013-12-04 | 2014-03-26 | 华南农业大学 | Undried cocoon cooking method utilizing biomass boiler wastewater |
| CN103993362A (en) * | 2014-04-22 | 2014-08-20 | 安徽天锦丝业有限公司 | Waste silkworm silk reel-off process |
| CN105970303A (en) * | 2016-07-18 | 2016-09-28 | 上林县中兴丝业有限公司 | Method for increasing cohesive force of fresh cocoon filaments |
| CN106319756A (en) * | 2016-10-24 | 2017-01-11 | 苏州维度丝绸有限公司 | Production technology of silk quilt batting |
| CN106435761A (en) * | 2016-12-08 | 2017-02-22 | 广西凯喜雅丝绸有限公司 | Silkworm cocoon cooking method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205817A (en) * | 2013-02-28 | 2013-07-17 | 杭州金利丝业有限公司 | Silk producing method |
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| CN103225112A (en) * | 2013-05-17 | 2013-07-31 | 安徽绩溪县花神丝绸有限公司 | Cleaning cocoon cooking method |
| CN103225112B (en) * | 2013-05-17 | 2016-05-11 | 安徽绩溪县花神丝绸有限公司 | A kind of silk cocoon cocoons-boiling method cleaning |
| CN103668475A (en) * | 2013-12-04 | 2014-03-26 | 华南农业大学 | Undried cocoon cooking method utilizing biomass boiler wastewater |
| CN103668475B (en) * | 2013-12-04 | 2016-06-15 | 华南农业大学 | A kind of Undried cocoon cooking utilizing biomass boiler waste water |
| CN103993362A (en) * | 2014-04-22 | 2014-08-20 | 安徽天锦丝业有限公司 | Waste silkworm silk reel-off process |
| CN105970303A (en) * | 2016-07-18 | 2016-09-28 | 上林县中兴丝业有限公司 | Method for increasing cohesive force of fresh cocoon filaments |
| CN105970303B (en) * | 2016-07-18 | 2018-06-22 | 上林县中兴丝业有限公司 | A kind of method for improving fresh silk obvolvent |
| CN106319756A (en) * | 2016-10-24 | 2017-01-11 | 苏州维度丝绸有限公司 | Production technology of silk quilt batting |
| CN106435761A (en) * | 2016-12-08 | 2017-02-22 | 广西凯喜雅丝绸有限公司 | Silkworm cocoon cooking method |
| CN106435761B (en) * | 2016-12-08 | 2019-06-18 | 广西凯喜雅丝绸有限公司 | Silk cocoon cocoons-boiling method |
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