CN101245492A - Marijuana second hard fibre processing method - Google Patents
Marijuana second hard fibre processing method Download PDFInfo
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- CN101245492A CN101245492A CNA2008100106852A CN200810010685A CN101245492A CN 101245492 A CN101245492 A CN 101245492A CN A2008100106852 A CNA2008100106852 A CN A2008100106852A CN 200810010685 A CN200810010685 A CN 200810010685A CN 101245492 A CN101245492 A CN 101245492A
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Abstract
A processing method of a secondary category hemp crude fiber relates to a spinning treatment method of secondary category hemp crude fiber (that is, falling matters of hemp skin and stems separation). The existing method adopts an alkali cooking method, which can not get ideal effect, and the others comprise alkali and sodium sulfide method, while the discharged wastewater can pollute environment. The technique of the invention comprises pre-gluing treatment, chemical ungluing treatment and after-gluing treatment. The chemical ungluing treatment adopts softener to do softening treatment and to cultivate, and then carding is carried out and the process is finished. After being treated by the method of the invention, the hemp crude fiber of secondary category has great improvement in spinning property and dyeing property with perfect effect, which not only improves economic value of the secondary category crude fiber, but also has no pollution to environment for the produced wastewater is easy to be purified; therefore, the processing method of secondary category hemp crude fiber is an ideal treating method.
Description
Technical field
The present invention relates to a kind ofly for hemp two crude fibres, promptly hemp skin bar separates the method that junk is handled.Make handle the resulting fiber in back can with the cotton fiber blending, be used for producing thin special hemp/cotton blended yarn.
Background technology
Hemp is one of human textile fabric that utilizes the earliest, plants as far back as China seed.Along with the appearance of drugs hemp, people have entered dead state to the utilization of hemp.Enter after the nineties in 20th century, along with the raising of people's level of understanding with to the increase day by day of green textiles demand, hemp causes people's attention once more as a kind of ecological spinning raw material.Not only have air permeability and good, hygroscopicity and wet putting because contain the fabric of hemp, also have natural antibiotic health care, ultra-violet radiation resisting and noise reduction and inhale functions such as ripple.At present, separating hemp and also continuing to use original microbial degumming technology from big anesthesia stem, mainly is the natural method for making of macerating.After the hemp results, must through macerating wash, initial processing process such as decorticating.In the skin bar separation process of hemp, obtain two kinds of hemp fibre products, promptly scutchedhemp and hemp two are thick.Scutchedhemp can directly carry out wet spinning, contains more impurity such as waste of flax during hemp two is thick, and spinnability is very poor, through carrying out the dry method spinning after the necessary processing.
At present, the Degumming method of hemp is a lot, and as dodging quick-fried method etc., every kind of Degumming method all has its pluses and minuses as chemical degumming law, enzyme process, physical method.The waste water that most chemical Degumming method produced is difficult to handle, and causes seriously polluted to water quality; Enzymatic degumming is longer to the processing time of fiber, and economic benefit is lower; Physical method is undesirable to the removal effect of inoglia as dodging the exploding degumming method.In general, all there is certain problem in the processing method of existing hemp, and resulting hemp wiriness, division degree are low, coloring and spinnability are all low, the processing of later process is difficulty comparatively, can't produce thin special hemp/cotton blended yarn with the cotton fiber blending, can produce low-grade big ramie product.Therefore, need a technology that packages to handle hemp, improve its spinning property, produce high-grade big ramie product.
Summary of the invention
The purpose of this invention is to provide a kind of marijuana second hard fibre processing method, to solve the practical problem that existing method exists.Improve hemp two coarse-fibred spinning properties.
The present invention is achieved by following technical solution.Its processing step comprises the pre-treatment of coming unstuck, chemical Degumming processing and the post processing of coming unstuck.
1, the pre-treatment of coming unstuck
Hemp two crude fibres are cut off on fibre cutting machine, and on opener, carry out shredding and removal of impurities.Two crude fibres after the processing are bulk shape.Then, wash boiling fiber crops jar two interior crude fibres with hot water, wash time is 10～15 minutes, and water temperature is 80～100 ℃.Water consumption is calculated by bath raio 1: 8～15, and promptly the per kilogram fiber is with 8～15 kg of water.Treat after washing finishes washings to be put back to circulating water pool.
2, chemical Degumming is handled
Chemical Degumming is to adopt alkali to add the hydrogen peroxide solution single bath process.Carry out through the technology of alkali boiling again.With two crude fibres after the shredding removal of impurities pack into boil fiber crops jar in, utilize the high-temperature pressure dyeing jar to carry out chemical Degumming.
The preparation and the boiling of 2-1 degumming baths are come unstuck
Degumming baths, i.e. the auxiliary agent of cooking liquor employing is NaOH, hydrogen peroxide and sodium metasilicate.The water consumption of degumming baths is calculated by the bath raio 1: 8～15 of boiling fiber crops.Be 8～15 kilograms of per kilogram fiber waters.The consumption of NaOH is 4～15g/L, adds 4～15 gram NaOH in promptly every liter water.The consumption of hydrogen peroxide is 2～10g/L.The consumption of sodium metasilicate is 1～5g/L.In secondary jar, stir and get final product.Then the degumming baths for preparing is squeezed into and boiled fiber crops and jar fiber is carried out boiling.The temperature of boiling fiber crops is 120～150 ℃.Boiling the fiber crops time is 1～4 hour.After treating that boiling finishes, remove temperature drop earlier and press, will boil liquid again and put back to treatment tank.
The 2-2 processing of soaping
Fiber after boiling come unstuck is soaped, and the water consumption of soaping is calculated by bathing 1: 8～15.The consumption of its soap lye is 1～4g/L.The temperature of soaping is 50～100 ℃.Wash time is 10～30 minutes.The liquid of will soaping after soaping is put back to circulating water pool.
The 2-3 pH value is regulated
Fiber after soaping is carried out hot wash to pH value neutrality.
The 2-4 alkali boiling is handled
Carrying out alkali boiling after washing finishes handles.The auxiliary agent that alkali boiling adopts is a NaOH.Water consumption is calculated by bath raio 1: 8～15.The consumption of NaOH is 2～10g/L.The temperature of alkali boiling is 80～120 ℃.Refining time is 0.5～2 hour.Treat to remove again after refining finishes temperature drop and press, bleed off refined water to treatment tank.Carry out hot wash again to pH value neutrality.Thereby finish chemical Degumming.
3, the post processing of coming unstuck
The post processing of coming unstuck comprises soft treatment, three steps of health processing and mechanical carding.
The 3-1 soft treatment
The preparation of 3-1-1 soft treatment liquid
The auxiliary agent that adopts is softener DT-150A, and the consumption of DT150A is 2～8% of a hemp total fiber weight, and water consumption is calculated by bath raio 1: 8～15.Be 8～15 kilograms of per kilogram fiber waters.Stir and get final product.
The 3-1-2 impregnation process
In soft treatment liquid, dip time is 20～60 minutes with the fiber impregnation behind the chemical Degumming.
The 3-2 health is handled
Earlier the fiber after the soft treatment is dewatered, dries, the fiber after will drying again sprays health oil.The health oil that adopts is hemp finish FD-ZY05.
The preparation of 3-2-1 health treatment fluid
Healthy liquid is prepared in 1: 10～20 ratio, and promptly a hemp finish FD-ZY05 adds 10 to 20 parts water, and stirring gets final product.The consumption of health treatment fluid is 4～10% of a hemp weight.
3-2-2 sprays the health treatment fluid
The health treatment fluid is sprayed after on the fiber, leave standstill health.Conditioned time is 2～8 days.Fiber regain after the health requires to be controlled between 11.5～14%.
The 3-3 mechanical carding
Carding machine on the fiber after the health is carried out combing.
The inventive method is simple, and is easy to implement.Soap lye, NaOH, hydrogen peroxide and sodium metasilicate market related in the method are on sale.Softener DT-150A that relates to and hemp finish FD-ZY05 are provided by China Textile Science Inst..Adopt the inventive method can remove pectin, lignin and cured matter in the fiber more than 95%.Fiber after the processing is soft, more than the division Du Keda 2000Nm.Modal staple length is 35～40cm, has improved the spinnability and the stainability of fiber greatly.Two coarse-fibred economic worths have been improved effectively.In addition, the waste water that auxiliary agent produced that the present invention adopts can be purified at an easy rate, can reuse after the purification.Can not cause pollution because of discharging to environment.It is a kind of very good marijuana second hard fibre processing method.
The present invention does not have accompanying drawing
The specific embodiment
Hemp two crude fibres are cut off on fibre cutting machine, and the fibre length of cut-out is 70mm.Then the fiber that cuts off is put into the scutcher disk, carry out shredding and removal of impurities.Fiber after will handling is again packed into and is boiled fiber crops jar, every jar about 200 kilograms.The fiber crops jar that boils that fiber will be housed with crane hangs in high temperature-pressure dyeing machine.Then the hot water in the secondary jar is squeezed into and boiled the fiber crops jar.Fiber is washed.Wash time is 10 minutes.After the washing washings are put back to circulating water pool.NaOH, hydrogen peroxide and the sodium metasilicate for preparing in attached jar being boiled liquid squeezes into and boils fiber crops jar again.Seal.Heat to 130 ℃ to boiling liquid in the tank body then.Boiling the fiber crops time is 2 hours.The sodium hydrate content that boils in the liquid is 8g/L, and hydrogen peroxide content is 4g/L, and sodium metasilicate content is 2g/L.After fiber crops to be boiled finish waste liquid is put back to treatment tank.Then fiber in the jar is soaped.Soap solution is put into to boil and jar is got final product after attached jar prepares.The consumption of soap lye is 4g/L.The temperature of soaping is 80 ℃.Wash time is 20 minutes.Soap and finish back reusable heat water washing to pH value neutrality.Carrying out alkali boiling then handles.Will be in attached jar prepared sodium hydroxide solution squeeze into and boil fiber crops jar.Be warming up to 100 ℃ after sealing, refining time is 1 hour.After treating refining, remove the temperature drop pressure, waste liquid is put into treatment tank boiling the fiber crops jar.And then once soap.The consumption of soap lye is 1g/L, and water consumption is bath raio 1: 10.Carry out a hot wash after waiting to soap again to pH value neutrality.And then carry out cold water washing one time.Carry out soft treatment behind the cold water washing.The softener solution for preparing in attached jar squeezed into boil jar, in softener solution, dip time is 45 minutes with fiber impregnation.Softener is DT-150A, and the softener consumption is 4% of a hemp weight.Behind to be impregnated the finishing waste water is put into treatment tank.Fiber after will handling again carries out dewatered drying to be handled.Fiber after will drying again carries out health to be handled.Health is to spray hemp finish FD-ZY05 at fiber surface.Healthy liquid is prepared in 1: 15 ratio, and promptly a hemp finish FD-ZY05 adds 15 parts water, and stirring gets final product.The consumption of health treatment fluid is 6% of a fibre weight.Left standstill health at normal temperatures 5 days.Health is to regain 12%.Again with the fiber after the health through the carding machine combing, the packing get final product.
Claims (4)
1, a kind of marijuana second hard fibre processing method is characterized in that being made of the pre-treatment of coming unstuck, chemical Degumming processing and three steps of post processing of coming unstuck.
2, method according to claim 1, it is characterized in that the related pre-treatment of coming unstuck be with two crude fibres cut off, after shredding and the removal of impurities, fiber is carried out hot wash, wash time is 10～15 minutes, water temperature is 80～100 ℃, water consumption is calculated by bath raio 1: 8～15, and promptly the per kilogram fiber is with 8～15 kg of water.
3, method according to claim 1 is characterized in that the method for related chemical Degumming is:
The preparation of degumming baths
Degumming baths, the auxiliary agent that adopts is NaOH, hydrogen peroxide and sodium metasilicate, the water consumption of degumming baths is calculated by the bath raio 1: 8～15 of boiling fiber crops, the consumption of NaOH is 4～15g/L, be to add 4～15 gram NaOH in every liter water, the consumption of hydrogen peroxide is 2～10g/L, and the consumption of sodium metasilicate is 1～5g/L, in secondary jar, stir and get final product
Boiling is handled
The degumming baths for preparing squeezed into boil fiber crops and jar fiber is carried out boiling, the temperature of boiling fiber crops is 120～150 ℃, and boiling the fiber crops time is 1～4 hour,
The processing of soaping
The water consumption of soaping is calculated by bath raio 1: 8～15, and the consumption of its soap lye is 1～4g/L, and the temperature of soaping is 50～100 ℃, and wash time is 10～30 minutes,
PH value is regulated
Fiber after soaping is carried out hot wash to pH value neutrality,
Alkali boiling is handled
The auxiliary agent that alkali boiling adopts is a NaOH, and water consumption is calculated by bath raio 1: 8～15, and the consumption of NaOH is 2～10g/L, the temperature of alkali boiling is 80～120 ℃, refining time is 0.5～2 hour, treats to remove after refining finishes temperature drop again and presses, and carries out hot wash again to pH value neutrality.
4, method according to claim 1 is characterized in that the method for the related post processing of coming unstuck is:
The preparation of soft treatment liquid
Softener adopts DT-150A, and the consumption of DT-150A is 2～8% of a hemp total fiber weight, and water consumption is calculated by bath raio 1: 8～15, stir,
Impregnation process
In soft treatment liquid, dip time is 20～60 minutes with the fiber impregnation behind the chemical Degumming,
The preparation of health treatment fluid
Healthy liquid is prepared in 1: 10～20 ratio, and promptly a hemp finish FD-ZY05 adds 10 to 20 parts water, and stirring gets final product, and the consumption of health treatment fluid is 4～10% of a hemp weight,
Spray the health treatment fluid
The health treatment fluid is sprayed on fiber, leave standstill health, conditioned time is 2～8 days, and the fiber regain after the health requires to be controlled between 11.5～14%.
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| CNA2008100106852A CN101245492A (en) | 2008-03-15 | 2008-03-15 | Marijuana second hard fibre processing method |
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| CNA2008100106852A CN101245492A (en) | 2008-03-15 | 2008-03-15 | Marijuana second hard fibre processing method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550653B (en) * | 2009-05-16 | 2011-05-25 | 太原理工大学 | Hemp fiber degumming boiling-off additive and preparing method thereof |
| CN101550607B (en) * | 2009-05-16 | 2011-05-25 | 太原理工大学 | Hemp fiber degumming boiling-off additive, preparing method and application thereof |
| WO2011088750A1 (en) * | 2010-01-22 | 2011-07-28 | 汉麻产业投资控股有限公司 | Production line of hemp bast fiber |
| CN102174721A (en) * | 2011-03-21 | 2011-09-07 | 盐城悦弘织造有限公司 | Curing pretreatment method for improving spinnability of hemp fibrils |
| CN101735395B (en) * | 2009-12-24 | 2012-01-25 | 昆明理工大学 | Preparation method of water absorbing material of industrial hemp stalk core cellulose |
| CN101892581B (en) * | 2009-05-18 | 2012-04-04 | 佳木斯三和亚麻纺织有限责任公司 | Process for boiling and bleaching flax rove |
| CN102828254A (en) * | 2012-08-24 | 2012-12-19 | 营口市新艺纺织有限责任公司 | Processing method of secondary hemp fibers |
| CN102828255A (en) * | 2012-08-24 | 2012-12-19 | 营口市新艺纺织有限责任公司 | Processing method of long hemp |
| CN105442057A (en) * | 2015-11-11 | 2016-03-30 | 六安市华龙麻纺工艺制品有限公司 | Fluorescence processing method for preparing hemp fibers |
| CN108588853A (en) * | 2018-06-11 | 2018-09-28 | 傅作义 | A kind of numb processing technology of nourishing type length |
| CN108796627A (en) * | 2018-06-11 | 2018-11-13 | 傅作义 | A kind of cast tow boiling degumming processing technology |
| CN115386969A (en) * | 2022-09-16 | 2022-11-25 | 江南大学 | Method for degumming hemp fibers by using DES (DES-dimethyl-benzene) solvent in cooperation with alkali oxygen |
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2008
- 2008-03-15 CN CNA2008100106852A patent/CN101245492A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550653B (en) * | 2009-05-16 | 2011-05-25 | 太原理工大学 | Hemp fiber degumming boiling-off additive and preparing method thereof |
| CN101550607B (en) * | 2009-05-16 | 2011-05-25 | 太原理工大学 | Hemp fiber degumming boiling-off additive, preparing method and application thereof |
| CN101892581B (en) * | 2009-05-18 | 2012-04-04 | 佳木斯三和亚麻纺织有限责任公司 | Process for boiling and bleaching flax rove |
| CN101735395B (en) * | 2009-12-24 | 2012-01-25 | 昆明理工大学 | Preparation method of water absorbing material of industrial hemp stalk core cellulose |
| WO2011088750A1 (en) * | 2010-01-22 | 2011-07-28 | 汉麻产业投资控股有限公司 | Production line of hemp bast fiber |
| CN101851787B (en) * | 2010-01-22 | 2012-07-04 | 汉麻产业投资控股有限公司 | Bast fiber production line |
| US8650717B2 (en) | 2010-01-22 | 2014-02-18 | China-Hemp Industrial Investment Holdings Co., Ltd. | Processing line of bast fiber |
| CN102174721A (en) * | 2011-03-21 | 2011-09-07 | 盐城悦弘织造有限公司 | Curing pretreatment method for improving spinnability of hemp fibrils |
| CN102828255A (en) * | 2012-08-24 | 2012-12-19 | 营口市新艺纺织有限责任公司 | Processing method of long hemp |
| CN102828254A (en) * | 2012-08-24 | 2012-12-19 | 营口市新艺纺织有限责任公司 | Processing method of secondary hemp fibers |
| CN102828254B (en) * | 2012-08-24 | 2014-06-18 | 营口市新艺纺织有限责任公司 | Processing method of secondary hemp fibers |
| CN102828255B (en) * | 2012-08-24 | 2014-06-25 | 营口市新艺纺织有限责任公司 | Processing method of long hemp |
| CN105442057A (en) * | 2015-11-11 | 2016-03-30 | 六安市华龙麻纺工艺制品有限公司 | Fluorescence processing method for preparing hemp fibers |
| CN108588853A (en) * | 2018-06-11 | 2018-09-28 | 傅作义 | A kind of numb processing technology of nourishing type length |
| CN108796627A (en) * | 2018-06-11 | 2018-11-13 | 傅作义 | A kind of cast tow boiling degumming processing technology |
| CN115386969A (en) * | 2022-09-16 | 2022-11-25 | 江南大学 | Method for degumming hemp fibers by using DES (DES-dimethyl-benzene) solvent in cooperation with alkali oxygen |
| CN115386969B (en) * | 2022-09-16 | 2024-01-30 | 江南大学 | Method for degumming hemp fiber by DES solvent and alkali oxygen |
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