CN102747435A - Biological bacterial degumming method for raw hemp - Google Patents
Biological bacterial degumming method for raw hemp Download PDFInfo
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- CN102747435A CN102747435A CN2012101438885A CN201210143888A CN102747435A CN 102747435 A CN102747435 A CN 102747435A CN 2012101438885 A CN2012101438885 A CN 2012101438885A CN 201210143888 A CN201210143888 A CN 201210143888A CN 102747435 A CN102747435 A CN 102747435A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The present invention relates to a biological bacterial degumming method for raw hemp. The method is characterized by: carrying out losing, screening, and dust removing on a raw hemp raw material; adopting a potassium hydroxide aqueous solution with a weight percentage of 0.5-0.6 wt% to soak the material, such that the material quickly absorbs water and swells; conveying the swelling material to an extruder to carry out extruding draining; conveying the drained material to a biological bacteria liquid pool or a biological bacteria liquid tank to soak for 12 hours, wherein a temperature is controlled to 35-40 DEG C, stirring is performed every 5 hours, the biological bacteria liquid is a composite bacterial liquid comprising four different bacterial of white rot fungi, soft rot fungi, yeast and wood-rotting fungi; and conveying the soaked material to a washing pool to clean the bacteria liquid. The method of the present invention has the following advantages that: production cost is low; production process is simple; the method is convenient to popularize and apply; in the whole process, water can be recycled, and characteristics of water saving, electricity saving, high efficiency, and high cellulose yield are provided; and zero emission and no pollution can be achieved in industrial processing.
Description
Technical field
The present invention relates to a kind of raw ramie biological bacteria Degumming method, belong to biological bacteria degumming technical field in weaving, the paper industry.
Background technology
China is world flax spinning big country, comprises crudefiber crops such as ramie, flax, bluish dogbane, jute, hemp, about more than 40 ten thousand hectares of its cultivated area.Along with the raising of quality of life, people are uphold nature more, advocates " ecological textile ".The flax fibre textile raw material has won people's favor as garment material with its distinctive excellent properties.Yet the weaving process technology of fiber crops exists a lot of problems always, and wherein degumming tech and technology are maximum difficult problems.
Directly peel the numb skin that comes from the waste of flax and be called raw ramie, except that containing cellulose, also contain the composition of a certain amount of non-cellulose in the raw ramie, comprise that lignin, hemicellulose, wax matter, pectin and the part hydrotrope and ash grade.If make raw ramie have spinnability, must remove these non-cellulose compositions, obtain degummed ramie, promptly come unstuck.
Traditional Degumming method is the chemical steaming method, and in degumming tech and technology, it is through decomposing lignin and other non-fibre compositions under high temperature, high pressure, the high-alkali condition, to obtain cellulosic process.High temperature reaches 170-180 ℃, and it is very high to consume energy, and water consumption is big, and high-alkali (caustic soda) reaches 26-40%; And other number of chemical medicine, at high temperature react with lignin, generate a large amount of black liquor; Its shortcoming is the waste liquid serious environment pollution, the harm health of people, and the method technology is closed down and is forbidden.
According to the present situation of the present numb industry of China, mainly to occupy an leading position (just traditional method) in being applied to produce with chemical method, that is that all right is ripe for biological degumming technology, is in the exploratory stage, and present domestic bioanalysis usually time is more than 15 days.
Summary of the invention
It is low to the purpose of this invention is to provide production cost, and technology is simple, is convenient to application, application; In integrated artistic; Water can be accomplished to recycle, and water saving, economize on electricity, efficient, cellulose yield height can be accomplished zero-emission, free of contamination raw ramie biological bacteria Degumming method in industrialization processing.
Degumming method of the present invention is following:
1 raw material is discongested:
Exactly with raw ramie as: (phellem layer of exocuticle) discongested, removed the peel to crudefiber crop raw materials such as flax, jute, ramie, bluish dogbane, hemp.
2 screenings, dedusting:
With above-mentioned raw materials screen, dedusting, purpose is the foreign material of removing in the raw material,
As: plastic film, iron wire, stone, soil grade.Can use washing, jumping sieve, winnowing machine to accomplish, too many like sticking thing, increase washing step.
3 raw material swollens:
In the raw material input pod after the dedusting, add the potassium hydroxide aqueous solution of 0.5wt%～0.6wt%, solid-to-liquid ratio is 1: 7 by mass ratio, temperature is (normal pressure) more than 60 ℃, soaks 2h, makes its suction, swollen fast.
4 extruding, draining:
With the input of the raw material behind swollen extruder, the extruding draining makes the moisture of raw material be controlled at 28wt%～32wt%.
5 bacterium liquid soak:
With the mass transport behind the above-mentioned draining to the biological bacteria liquid pool or jar in; Soaked 12 hours, temperature is controlled between 35～40 ℃, stirs 1 time in per 5 hours; Wherein: the composite bacteria liquid that bacterium liquid adopts whiterot fungi, soft-rot fungi, saccharomycete, four different bacterial classifications of wooden rotten bacterium to form; Press mass ratio, whiterot fungi: soft-rot fungi: wooden rotten bacterium: saccharomycete=1: 1: 1: 2, the density of bacterium is not less than 6,000 ten thousand/milliliter.
6 raw materials clean:
Mass transport after the immersion of bacterium liquid is cleaned bacterium liquid in kitchen sink, the water after the washing is recovered to secondary use in the bacterium liquid fermentation vat.
7 chlorine-free bleachings, washing:
Material after the above-mentioned degraded completion is carried out 2 sections bleachings, washing then.According to the flax fibre purposes, can bleach, can not bleach yet.Chlorine-free bleaching technology is adopted in bleaching, and bleaching liquor can recycling, and liquids recovery is used to soak the swollen raw material, does not discharge.
8 washings, oven dry, warehouse-in:
With the material after the above-mentioned operation completion, the input kitchen sink cleans, and changes dryer then over to, oven dry.Packing is put in storage at last.
9 produce biogas:
With the muddy water behind dedusting, the swollen, enter flocculation in the sedimentation basin, deposition, the supernatant recycling is used to wash raw material.Fermentation methane in dope, the sediment input marsh gas fermentation pool, methane recovery is to the boiler room, and burning boiler is saved coal.
10 produce fertilizer:
Natural pond liquid, natural pond slag are the organic fertilizer of generally acknowledging, are used for farmland, forest land use after the processing granulation.
Material has obtained scientific and reasonable recycle, has fundamentally solved the come unstuck pollution problem of industry of crudefiber crop.
Advantage of the present invention is:
Raw ramie biological degumming method is a kind of biotechnology of innovation, and technology is simple, and flow process is smooth and easy, and is practical, helps applying.
Through raw materials such as flax, bluish dogbane, jute, ramie, hemp are come unstuck, lignin degrading, its effect is remarkable.Though usually time is longer; But save a large amount of equipment investments, only store the pond or jar get final product with large-scale, the raw material supplying of abundance is that serialization production and automatic operating are laid a good foundation; Production scale is changeable, is very energy-conservation, as to save money a crudefiber crop degumming technology.
Raw ramie after process the present invention is come unstuck not only can be used for weaving, and can be used for papermaking.
This technology is compared with conventional art, saves equipment investment 30%, and water saving 60% is energy-conservation 30%, improves cellulose yield 20%.
This technology is converted into biogas with refuse, and the methane recovery burning boiler is practiced thrift coal; Natural pond slag, natural pond liquid are converted into organic fertilizer; Water has obtained recycle, does not discharge.Energy-saving and environmental protection, economic circulation new model have efficiently really been accomplished.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Embodiment:
It is unified that raw materials such as flax, bluish dogbane, jute, ramie, hemp adopt the technological process of biological bacteria degumming method.Biological bacteria degumming technologies such as flax, bluish dogbane, jute, ramie, hemp are implemented to be undertaken by following method:
The first step: adopt fluffer to discongest, remove the peel raw materials such as flax, bluish dogbane, jute, ramie, hemp, length is not limit, and is convenient to operation and gets final product.
Second step: with above-mentioned raw materials screen, dedusting, remove the foreign material in the raw material.Earlier with foreign material such as the soil branch in the winnowing machine removal raw material, powder, Polypropylence Sheets.Remove foreign material such as iron wire, stone with jumping sieve again, last water washes down except that silicon-containing material and partial pigment.
The 3rd step: in the container that the input of the raw material after dedusting, the removal of impurities is bigger (or jar); Add the potassium hydroxide aqueous solution of 0.5wt%～0.6wt%, solid-to-liquid ratio is 1: 7 by mass ratio, and temperature is (normal pressure) more than 60 ℃; Soak 2h; Make its suction, swollen fast, liquid imports, and for next step bacterium liquid gets into advantage is provided.
The 4th step: with the input of the raw material behind swollen extruder, extruding, draining, moisture gets final product about 30wt%.
The 5th step: in the biological bacteria liquid pool, the bacterium liquid temp is controlled at 35～40 ℃ with above-mentioned mass transport, and the density of bacterium is not less than 6,000 ten thousand/milliliter, soaks 12 hours, stirs 1 time in per 5 hours.Soak time is pulled raw material out after accomplishing, extruding, draining.
The composition of bacterium liquid and proportioning: the composite bacteria liquid that bacterium liquid adopts four different bacterial classifications to form.Be respectively: whiterot fungi, soft-rot fungi, saccharomycete, wooden rotten bacterium, cultivate respectively, during use by whiterot fungi: soft-rot fungi: wooden rotten bacterium: saccharomycete :=1: 1: 1: 2 (mass ratio) is configured to degumming bacterium liquid and is used for production.Degumming degree with raw material become very soft into well, fibre bundle can be twisted into filiform with hand and get final product.
The 6th step: raw material cleans: the mass transport behind the drop bacterium liquid is cleaned bacterium liquid (the clear water washing does not add any medicine) in kitchen sink, water temperature is controlled between 35-40 ℃.
The 7th step: chlorine-free bleaching: the mass transport after the above-mentioned completion of coming unstuck in bleaching machine or Bellmer, is adopted chlorine-free bleaching technology bleaching (be maturation process at present, used hydrogen peroxide bleaching, can accomplish pollution-free).The 8th step: washing, oven dry, warehouse-in:
With the material after the above-mentioned operation completion, the input kitchen sink cleans, and changes dryer then over to, oven dry.Packing is put in storage at last.
The 9th step: produce biogas:, enter flocculation in the sedimentation basin, deposition with the muddy water behind dedusting, the swollen.The supernatant recycling is used to clean raw material.Produce biogas in dope, the sediment input marsh gas fermentation pool, methane recovery input boiler room, burning boiler is saved coal.Biogas, natural pond slag are the organic fertilizer of generally acknowledging, natural pond liquid is done liquid fertilizer, and the natural pond slag is done granulated fertilizer, are used for farmland, forest land use.
Refuse is converted into fertilizer, has realized the new model of material circulation, also accomplished pollution-free, zero-emission.
Through jute skin, jute angle material and flax have been done the lot of materials test, defibrination detects physical performance index, and its effect is very good.The feasibility of biological bacteria degumming technology is described with these data.Result such as following table:
Table 1 jute, flax pulp measuring physical properties result
Annotate: jute angle material is meant: leftover bits and pieces or numb head that the processing of jute skin is later belong to a kind of of waste material.
Bacterial classification source and cultivation:
The bacterial classification source:
The whiterot fungi bacterial classification: biological study is bought from Shanghai, has the function of lignin degrading.
Soft-rot fungi bacterial classification: buy from Institute of Microorganism, Academia Sinica, have the effect of softening lignin.
The rotten bacteria culture of wood: buy from Institute of Microorganism, Academia Sinica, have xylogen degradation, pectin and wax effect.
Saccharomycete bacterial classification: sale is all arranged on the market, have degraded sugar, pectin effect.
Spawn culture:
The cultivation of whiterot fungi: adopt sabouraud medium to cultivate (the open culture medium in market), first solid culture, Liquid Culture then.Liquid bacterium liquid just can be used to produce.
The cultivation of soft-rot fungi: the same.
The rotten bacteria culture media of wood: prescription: PDA culture medium (the open culture medium in market) also is a typical culture.
Culture medium after sterilization, temperature are inoculated on superclean bench after dropping to and solidifying below 30 ℃.On shaking table, cultivate or fermentation tank culture 36-48h then, temperature is set in 37 ℃.Then, be used for producing or testing.
Saccharomycete is cultivated: the buying finished product directly is used for producing in proportion.
Claims (2)
1. raw ramie biological bacteria Degumming method; It is characterized in that: with the raw ramie raw material discongest, screening, dedusting, in the raw material input pod after the dedusting, add the potassium hydroxide aqueous solution of 0.5wt%～0.6wt%; Solid-to-liquid ratio is 1: 7 by mass ratio; Temperature is soaked 2h more than 60 ℃, makes its suction, swollen fast; With the input of the raw material behind swollen extruder, the extruding draining makes the moisture of raw material be controlled at 28wt%～32wt%; With the mass transport behind the draining to the biological bacteria liquid pool or jar in; Soaked 12 hours, temperature is controlled between 35～40 ℃, stirs 1 time in per 5 hours; Wherein: the composite bacteria liquid that bacterium liquid adopts whiterot fungi, soft-rot fungi, saccharomycete, four different bacterial classifications of wooden rotten bacterium to form; Press mass ratio, whiterot fungi: soft-rot fungi: wooden rotten bacterium: saccharomycete=1: 1: 1: 2, the density of bacterium is not less than 6,000 ten thousand/milliliter; Mass transport after the immersion of bacterium liquid is cleaned bacterium liquid in kitchen sink.
2. raw ramie biological bacteria Degumming method according to claim 1 is characterized in that: the material after above-mentioned degraded is accomplished carries out 2 sections bleachings, washs then, dries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210143888.5A CN102747435B (en) | 2012-05-04 | 2012-05-04 | Biological bacterial degumming method for raw hemp |
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| CN102747435B CN102747435B (en) | 2014-06-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321078A (en) * | 2013-06-21 | 2013-09-25 | 十堰润龙实业有限公司 | Cellulose biological extraction method combining saccharomycetes separation technology with soft-rot fungi decomposition technology |
| CN105088359A (en) * | 2015-09-10 | 2015-11-25 | 齐齐哈尔大学 | Short-term flax retting degumming process |
| CN106521780A (en) * | 2016-12-30 | 2017-03-22 | 卢楚坚 | Linen containing olive extracting solution and preparing method thereof |
| CN108221431A (en) * | 2016-12-14 | 2018-06-29 | 康盛时代（北京）生物技术有限公司 | A kind of technique for crudefiber crop lignin of degrading and application thereof |
| CN108220181A (en) * | 2016-12-14 | 2018-06-29 | 康盛时代（北京）生物技术有限公司 | A kind of composite flora includes its composite bacteria agent and preparation method thereof and purposes |
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| CN1089669A (en) * | 1993-10-08 | 1994-07-20 | 泰安市大麻科学纺织科研所 | Enzymolysis method for degumming of hemp |
| CN101575739A (en) * | 2009-06-15 | 2009-11-11 | 大连工业大学 | Method for degumming ramie bast fiber microbe in solid state |
| CN101792980A (en) * | 2010-04-13 | 2010-08-04 | 王福喜 | Mechanical pulping method for biological bacteria liquid |
| CN102174399A (en) * | 2010-12-31 | 2011-09-07 | 广西赛尔纸业有限公司 | Method for preparing herbal biological fiber and biological paper pulp |
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2012
- 2012-05-04 CN CN201210143888.5A patent/CN102747435B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089669A (en) * | 1993-10-08 | 1994-07-20 | 泰安市大麻科学纺织科研所 | Enzymolysis method for degumming of hemp |
| CN101575739A (en) * | 2009-06-15 | 2009-11-11 | 大连工业大学 | Method for degumming ramie bast fiber microbe in solid state |
| CN101792980A (en) * | 2010-04-13 | 2010-08-04 | 王福喜 | Mechanical pulping method for biological bacteria liquid |
| CN102174399A (en) * | 2010-12-31 | 2011-09-07 | 广西赛尔纸业有限公司 | Method for preparing herbal biological fiber and biological paper pulp |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321078A (en) * | 2013-06-21 | 2013-09-25 | 十堰润龙实业有限公司 | Cellulose biological extraction method combining saccharomycetes separation technology with soft-rot fungi decomposition technology |
| CN105088359A (en) * | 2015-09-10 | 2015-11-25 | 齐齐哈尔大学 | Short-term flax retting degumming process |
| CN108221431A (en) * | 2016-12-14 | 2018-06-29 | 康盛时代（北京）生物技术有限公司 | A kind of technique for crudefiber crop lignin of degrading and application thereof |
| CN108220181A (en) * | 2016-12-14 | 2018-06-29 | 康盛时代（北京）生物技术有限公司 | A kind of composite flora includes its composite bacteria agent and preparation method thereof and purposes |
| CN106521780A (en) * | 2016-12-30 | 2017-03-22 | 卢楚坚 | Linen containing olive extracting solution and preparing method thereof |
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| CN102747435B (en) | 2014-06-04 |
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