CN1757822A - Paper pulp production technology of physical degradation combined with biological degradation - Google Patents
Paper pulp production technology of physical degradation combined with biological degradation Download PDFInfo
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- CN1757822A CN1757822A CN 200410050556 CN200410050556A CN1757822A CN 1757822 A CN1757822 A CN 1757822A CN 200410050556 CN200410050556 CN 200410050556 CN 200410050556 A CN200410050556 A CN 200410050556A CN 1757822 A CN1757822 A CN 1757822A
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Abstract
A technology for producing paper pulp by the combination of the physical decomposing to destroy the adhesion between lignins with the bio-degradating to separate and soften the fiber structure includes such steps as cutting raw materials, washing cracking, high-pressure puffing, loosening, bio-degradating, puffing again, grinding pulp, screening, bleaching and extrusion drying. Its advantages are low cost and no pollution.
Description
Technical field
The present invention relates to a kind of technology of making paper pulp, particularly relate to physics and crack the paper pulp manufacturing technique technology that combines with biodegradation.
Background technology
Paper is one of China's four inventions, is the magnificent culture in ancient times that the Chinese nation takes pride in, and paper is the instrument of popularization and transmission of culture and knowledge information, and is closely bound up with everyone life.According to the statistics made by the departments concerned, the output of China's paper in 2002 and cardboard is 3,780 ten thousand tons, and consumption figure is 4,332 ten thousand tons, accounts for the second place of the world.The consumption of paper reaches more than 30 kilogram for each person every year per capita, at present world every year per capita the consumption of paper reach 51.8 kilograms.Whole world paper and cardboard year output reach 32,116 ten thousand tons.Predict the annual consumption figure of China's paper in 2010 and cardboard and will reach 7000～8,000 ten thousand tons, occupy first place in the world.
Papermaking will be made paper pulp earlier, and the production technology of the making paper pulp that the whole world is traditional mainly is to adopt " alkaline process " and " sulphite process " of chemistry.Utilize these chemical agents to corrode lignin in the plant, so produce the sewage of the discharging that much exceeds standard in the production process, contain poisonous and harmful substances such as a large amount of suspended matters, COD, BOD, pigment (black liquor), soda acid in the sewage, handle the sewage of making the paper pulp discharging well, reach national specified discharge standard, its cost is very high, then to lose by market price paper mill, therefore a lot of paper mills are only done simple process to the sewage of making paper pulp and are just emitted, and the pollution of domestic a lot of rivers and lakes mostly is that basin area paper mill blowdown causes.Chinese paper industry quantity of wastewater effluent in 2003 reaches 35.3 billion cubic meters according to statistics, accounts for national total amount of sewage discharge 18.2%, and the COD discharge capacity is 287.7 ten thousand tons, accounts for 40.8% of national COD discharging, and existent environment of people and health are brought great threat.What State Bureau of Environmental Protection was once continuous all the year round gives a warning to each paper mill, but remains incessant after repeated prohibition because of the economic dispatch a variety of causes eventually.Therefore cause having to a lot of middle and small scale paper plant closed and forbid producing.Make paper pulp with chemical method and not only cause severe contamination, it also is the industry of a highly energy-consuming, the present 1 ton of paper pulp of every production of China (dry pulp) on average consumes 1.55～1.7 tons in coal, power consumption 700～800 degree, 100～140 tons of water consumptions, under the situation that whole world coal, electricity, water etc. are becoming tight basic energy resource day, traditional making paper pulp causes the drawback of huge power consumption particularly outstanding.Because world market is more and more huger to the paper demand, bring very good business opportunity to paper industry, but, therefore must there be a kind of brand-new paper technology pollution-free, low power consuming to replace traditional paper technology as early as possible because traditional chemical is made the requirement that paper pulp can not satisfy environmental protection and social sustainable development.
This shows that the technology problem that above-mentioned relevant tradition is made paper pulp needs to be resolved hurrily.
In order to solve the manufacture craft problem of above-mentioned paper pulp, Chinese scholars expert seeks solution invariably painstakingly with relevant paper manufacturer, begin from the eighties in 20th century, Chinese scholars proposed the idea that the related application microbial degradation method is made paper pulp once, the big energy research of the brainstrust input of many R﹠D institutions and universities and colleges seek can the degrading plant lignin biological inoculum, think that all utilizing the whiterot fungi that belongs to Basidiomycetes in the fungi to come xylogen degradation is direction, because whiterot fungi unique microorganism that is occurring in nature with independent degrading plant cell wall lignin composition, but whiterot fungi has multiple, different bacterial classifications is to the degradation capability difference of different plant lignins, and whiterot fungi a part of cellulose of in to the plant lignin degradation, also will degrading, this has brought certain negative effect to biodegradation, it is slow that the lignin degradation enzyme that whiterot fungi is secreted in growth course produces bacteria growing, the enlarged culture difficulty, the medium of cultivating breeding is required comparatively harsh, this has just brought a series of obstacle to suitability for industrialized production, all rests on and seeks to realize breeding fast and culture medium is required on the looser bacterial strain so be engaged in the scholars of this respect research.Therefore, present also nobody in the world can use biodegradation method to realize the free of contamination paper pulp manufacturing technique of heavy industrialization.
In addition; the macromolecular structure of plant lignin is very complicated; biological nature is stable; it is the product that plant tissue is evolved; lignin plays cementation in plant cellulose and hemicellulose histocyte; have the function that strengthens a plant straw intensity, play the effect of protective plant fibrocyte, so lignin is than cellulose and more difficult degradation of hemicellulose.
In view of the existing difficult problem of above-mentioned existing making paper pulp, the inventor is engaged on the biodegradation application technology working practice experiential basis for many years in summary, through repetition test for many years, repeatedly in the root of seeking various phenomenons, various phenomenons and the problem dissolving in the process of the test one by one repeatedly to be occurred, finally put into practice out the feasible physics of a cover and crack the paper pulp manufacture craft technology that combines with biodegradation: realize biodegradable purpose, at first will be by ways such as genetic transformation and mutagenesis and hybridization, cultivate the many and high dissociant (MSHM) of vigor of the fast secretion lignin degradation enzyme of some breedings, but we must science, realistic clear: good again bacterial classification all is limited to the degradation capability of plant lignin, 100% lignin has all been degraded at short notice, this just requires us to take other means to assist the degraded of microorganism to the plant lignin, provide the condition of being more convenient for for biological fungi: at first by cracking to the attack of plant lignin, high pressure swelling, means such as discongest realize that physics cracks fibre of plant cell tissue structure, the complementary combinations technology of utilizing this physical method to combine with biological method, just can realize the whole world with the dealer dream of pollution-free, low energy consumption, low-cost, the purpose of high-quality manufacturing paper pulp.This is the Chinese nation's another great contribution to paper industry after Cai Lun.
Summary of the invention
The purpose of this invention is to provide a kind of physics and crack the paper pulp manufacturing technique technology that combines with biodegradation.Traditional fabrication paper pulp is applied chemistry process for producing technology, produces large amount of sewage, serious environment pollution, and all purified treatment incurs great expense, and improves the paper pulp cost, but also will expend the energy in short supply such as a large amount of water, coal, electricity.Production process of the present invention need not the agent of any Acidity of Aikalinity chemicals, and is pollution-free, conserve water, consumptive material is low, low energy consumption, and cost reduces more than 50%, the pulp quality of being produced is good, does not have any chemical toxicant, can be used to make food wrapper or the cigarette silk is dosed material.Have very high economic benefit and social benefit.Be the high science and technology of the environmental protection and the ecological balance, filled up the blank on the pollution-free paper pulp manufacturing technology in the whole world.
Purpose of the present invention and solve its technical problem underlying and adopt following technical measures to realize.
The physics that proposes according to the present invention cracks the paper pulp manufacturing technique technology that combines with biodegradation, is the physical method group technology complementary mutually with biological method.Be by cracking, high pressure swelling, physics such as discongest and crack the cohesive force that means are destroyed the lignin between processed plant fiber cells institutional framework earlier, utilize fungi microbe degrading plant lignin again, realize that string is decomposed to break away from and the purpose of softening fibre tissue.Specifically be by blank cleaning, cracking, high pressure swelling, discongest, making that biodegradation, secondary puffing, defibrination, screening, several roads processing technology program of bleaching, extracting realize paper pulp.Above-mentioned paper pulp raw material comprises timber and non-wood plant.
Purpose of the present invention and solve its technical problem underlying and can also be applied to the following technical measures to achieve further.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, wherein said blank matting, when being raw material with timber, wood cutting to be become wood chip, will be when being raw material with the full-length of careless straw cuttolength with careless straw, again wood chip or careless straw are put into service sink and clean, the impurity such as earth, stone, metal material or plastics that are mingled with in removing.Cleaning process also can be finished in the cleaning equipment of special use.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, wherein said cracking operation, be mechanical processing tools such as to tear and make wood chip or careless straw be cracked into wood wool or grass silk, and knaur and grass joint are all pulverized into fine strip shape by rolling, push, rubbing with the hands.This is seriously damaged with regard to the mechanics of biological tissue that makes plant and loosens, and above-mentioned mechanical lysis process is difficult for processing under raw material very dry status, can make the string fracture broken.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, wherein said high pressure swelling operation, be that last process is cracked into the wood wool of strand shape or grass silk in water is encased in a high-pressure chamber, after the sealing hydraulic pressure in the storehouse is brought up to more than the 10Mpa, voltage stabilizing 10 minutes, the moment release makes between the tissue of string to change by expanded because of huge pressure, be torn fluffyly between fiber, this just makes fibre of plant organize further and is destroyed.High pressure swelling also can adopt the gas pressure means of steam to realize.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, the wherein said operation of discongesting, be that last process is installed to special-purpose thin cutting in the equipment by expanded plant strand with water, it is rectangular that this equipment can be cut into thinner filament along machine direction uniformly by expanded plant strand.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, and wherein said biodegradation operation is the plant filament bar biodegrade that last process is discongested.To drop into different bacterial classifications to dissimilar plants, to being that the biodegradation technology of main bacterium can adopt following implementation method: at first will spray uniformly to have and enrich culture of strains liquid to the plant filament to use aerobic bacteria, or the plant filament poured in the bacterial classification liquid pool, after the stirring dipping is good, pull auxilliary uniformly being put on the bed that ferments out, the fermentation bed is a conveyor type, the transmission interlock line that is combined into that tens fermentation head of a bed tail overlap joints are arranged, move forward a berth with the auxilliary plant filament of putting on every bed every day, and these plant filaments move to the process that just can finish whole fermentative degradation lignin in tens day time of last berth from first berth.The conveyer belt of fermentation bed is the porous net bed with the nylon wire braiding, has good ventilating air permeability, will evenly spray the nutrient solution that has novel bacterial every day to the plant filament on the fermentation bed, indoorly want sunny but must avoid ultraviolet direct irradiation, the fermentation bed will constantly rouse growth temperature and the humidity of advancing new wind but will keeping adapting to mushroom and enzyme down, this operation also can adopt packs the plant filament in the mesh bag into, overturning every day mesh bag realize to ventilate, these mesh bags can also be hung up guarantee ventilated.But no matter how, all essential breeding growth that guarantees that the bacterial strain on the plant filament is vigorous guarantees sunlight, guarantees humidity and temperature, guarantees to ventilate and send the oxygen amount.
To being the method that the biodegradation technology of main bacterium can adopt fermentation vat: the plant filament is poured in the fermentation vat to use anaerobic bacteria, contained abundant degradation bacteria strains in the water in the pond, water will flood the plant filament, to keep the stable adaptation fungi and the breeding growth temperature of enzyme in the pond, forbid sometimes hot and sometimes cold.Generally be no more than the degradation process that just can realize the plant lignin in 10 days.Two kinds of above-mentioned biodegradation methods all are to make up the degraded of finishing jointly the plant lignin by multiple fungi.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, and wherein said secondary puffing operation is that the string strand that last process had been degraded by biological bacterium is put into water filling pressurization in the high-pressure chamber once more.Pressure reaches more than the 10Mpa, voltage stabilizing 10 minutes, moment release.The plant strand since by fungi with all strippings and being decomposed of the lignin between the fibr tissue, the adhesion between the fiber is weakened greatly, through such high pressure swelling, just all separate more fluffy and approximate cotton-shaped between the fiber.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, wherein said defibrination operation, be with last process by expanded and fluffy string that become is worn into paper pulp with fiberizer, the number of times of defibrination can be determined according to different plants with by the fiber situation after expanded.But can not too lacking of string mill is broken.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, wherein said screening operation, be that the paper pulp that last process grinds is sieved with pulp screen, thick slag in the paper pulp and tiny separation of particles are gone out, stay standard compliant fiber suede.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, and wherein said bleaching process is the operation of being done when having higher whiteness to require to paper pulp.Bleaching has two kinds of methods, and a kind of is bio-bleaching, and paper pulp is immersed in the bio-bleaching pond, utilizes the pigment on the bio-enzyme degradation paper pulp fiber, and a kind of is to bleach with oxonium ion.These two kinds of methods are all pollution-free.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, the wherein said operation of extracting is that the paper pulp of last process production is extracted with the machine of extracting, and gets rid of moisture, form moisture content and be lower than 35% half-dried paper pulp cake or piece, so that packing or transportation.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, and the front and back of wherein said ten road manufacturing procedures order can be done in production practices and suitably adjust a bit, and especially multi-processing is several times repeatedly for some operations of cracking of physics.
The present invention compares with existing various chemical paper pulp making technology methods, has fairly obvious superiority, production process of the present invention need not any chemicals agent, and is pollution-free, conserve water, consumptive material is low, low energy consumption, cost reduces more than 50%, and the pulp quality of being produced is good, do not have any chemical toxicant, can be used to make food wrapper or the cigarette silk is dosed material.Have very high economic benefit and social benefit.Be the high science and technology of the environmental protection and the ecological balance, filled up the blank of the whole world on paper pulp making history.
In sum, physics of the present invention cracks the paper pulp manufacturing technique technology that combines with biodegradation, have above-mentioned many advantages and practical value, and in the processing of like product, have no precedent identical or similar technology and deliver and used, no matter it all is a revolution to traditional paper pulp processing technology and process technology on machining process and process technology, and have environmental protection and practical effect, have significant technological progress really and make paper pulp manufacture craft technology produce the leap of a matter.It really is the new invention of a novelty, advanced person, practicality.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can implement according to the content of specification, below with most preferred embodiment of the present invention describe in detail as after.
The specific embodiment
Below physics that foundation the present invention is proposed crack its specific embodiment of paper pulp manufacturing technique technology, requirement, feature and the effect thereof that combine with biodegradation, detailed description as after.
Physics of the present invention cracks the paper pulp manufacturing technique technology that combines with biodegradation, and its main production process is: blank cleaning, cracking, high pressure swelling, discongest, biodegradation, secondary puffing, defibrination, screening, operation such as bleach, extract.Operate in regular turn by this operation and can guarantee to produce qualified paper pulp.
Above-mentioned blank matting is that material of vegetable origin is cut into the specification of being convenient to process.Should be before the blank with the timber peeling, should be with contaminant removals such as the metal in the careless straw, stone, plastics.Timber should cut into wood chip, and wood chip length is 15～25mm, thick 3～5mm, and wide 5～15mm is for well; The non-wood plant of grass straw class should be cut into long 50～100mm full-length.Again the wood chip that cuts or careless straw are immersed in the water and clean, remove its silt particle dust.Make its road manufacturing procedure that enters down as clean as a penny.
Above-mentioned cracking operation, be with various corresponding special equipments with wood chip or careless straw, to its rolling repeatedly, rub with the hands and squeeze, comb tears, the string institutional framework of processed wood chip or careless straw is stressed splits, rubbed with the hands the wood wool bar or the careless strand that are torn into to comparatively soft, can obviously find out on these strands has a lot of string silk hairs stretching, this has just realized the purpose of cracking, adhesiving force destruction between originally very solid string tissue is fallen, and hardwood joint that some biologies are difficult to decompose and hard grass joint all roll pulverizing and dispose, and this is to cracking the first time of organization structure of the plant.
Above-mentioned high pressure swelling operation, be that the plant strand that last process is cleaved is encased in the special-purpose high-pressure chamber, with water pump the high-pressure chamber water filling is pressurizeed, pressure will reach more than the 10Mpa, voltage stabilizing 10 minutes makes the molecule of water under high pressure get in the middle of each fibr tissue of plant moment pressure release again, it is expanded and torn that explosion will take place between string, separated the opening of most of string and the fluffy situation of filament occurs.This just forms profound destruction to organization structure of the plant.High pressure swelling can also make that the biological cere (especially careless straw) of plant surface is destroyed to be fallen, even some lignin has cracked at physics and comes off in the process and float in the water.High pressure swelling also can be realized with the gas pressure means of high steam, but air pressure does not have water pressure safety in the operation, and air pressure is more quite a lot of than the effect of hydraulic pressure, and the hydraulic pressure cost is low.
The above-mentioned operation of discongesting, be by expanded some fluffy wood wool bar or careless strand with last process, being encased in special-purpose discongesting in the equipment processes, this equipment can be done the plant strand further along the fibre length direction and cut, be cut into diameter and width uniformly all less than the filament bar of 0.5mm, this just makes the fibre of plant tissue cracked more completely, for carrying out the all-out attack degraded to string, next step biological fungi provides condition very easily, because interfibrous lignin has all been torn and untied and come out, the bacterium enzyme is breeding and xylogen degradation on fiber surface directly.
Above-mentioned biodegradation operation; it is the very thin plant filament biodegrade that will crack; the biological inoculum of selecting for use is a whiterot fungi; bacterial classifications such as Phanerochaete chrysosporium are wherein cultivated several dissociants (mshm) that make new advances through genetic transformation; these variation growth reproduction speeds are fast, and the lignin degradation enzyme activity of secretion is strong, and bacterial classification requires to require not harsh with environmental condition to the medium of growth; more easily solve, therefore can realize large-scale production.To drop into different bacterial classifications to dissimilar plants, to being that the biodegradation technology of main bacterium can adopt following implementation method: at first will spray uniformly to have and enrich culture of strains liquid to the plant filament to use aerobic bacteria, or the plant filament poured in the bacterial classification liquid pool, pull auxilliary being put on the fermentation bed through stirring dipping out after good, average shop 100～150mm is thick, the fermentation bed is a conveyor type, the transmission interlock line that is combined into that tens fermentation head of a bed tail overlap joints are arranged, move forward a berth with the auxilliary plant filament of putting on every bed every day, and these plant filaments move to the process that just can finish whole fermentative degradation lignin in tens day time of last berth from first berth.The conveyer belt of fermentation bed is the porous net bed with the nylon wire braiding, has good ventilating air permeability, will evenly spray the nutrient solution that has novel bacterial every day to the plant filament on the fermentation bed, indoorly want sunny but must avoid ultraviolet direct irradiation, the fermentation bed will constantly rouse growth temperature and the humidity of advancing new wind but will keeping adapting to mushroom and enzyme down, this operation also can adopt packs the plant filament in the mesh bag into, overturning every day mesh bag realize to ventilate, these mesh bags can also be hung up guarantee ventilated.But no matter how, all essential breeding growth that guarantees that the bacterial strain on the plant filament is vigorous guarantees sunlight, guarantees humidity and temperature, guarantees to ventilate and send the oxygen amount.
To being the method that the biodegradation technology of main bacterium can adopt fermentation vat: the plant filament is poured in the fermentation vat to use anaerobic bacteria, contained abundant degradation bacteria strains in the water in the pond, water will flood the plant filament, to keep the stable adaptation fungi and the breeding growth temperature of enzyme in the pond, forbid sometimes hot and sometimes cold.Generally be no more than the degradation process that just can realize the plant lignin in 10 days.Two kinds of above-mentioned biodegradation methods all are to make up the degraded of finishing jointly the plant lignin by multiple fungi.
Above-mentioned secondary puffing operation is that the string strand that last process had been degraded by biological bacterium is put into water filling pressurization in the high-pressure chamber once more.Pressure reaches more than the 10Mpa, voltage stabilizing 10 minutes, moment release.The plant strand since by fungi with all strippings and being decomposed of the lignin between the fibr tissue, the adhesion between the fiber is weakened greatly, through such high pressure swelling, just all separate more fluffy and approximate cotton-shaped between the fiber.
Above-mentioned defibrination operation, be with last process by expanded and fluffy string that become is worn into paper pulp with fiberizer, the number of times of defibrination can be determined according to different plants with by the fiber situation after expanded.But can not too lacking of string mill is broken.
Aforesaid physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, wherein said screening operation, be that the paper pulp that last process grinds is sieved with pulp screen, thick slag in the paper pulp and tiny separation of particles are gone out, stay standard compliant fiber suede.
Above-mentioned bleaching process is the operation of being done when having higher whiteness to require to paper pulp.Bleaching has two kinds of methods, and a kind of is bio-bleaching, and paper pulp is immersed in the bio-bleaching pond, utilizes the pigment on the bio-enzyme degradation paper pulp fiber, and a kind of is to bleach with oxonium ion.These two kinds of methods are all pollution-free.
The above-mentioned operation of extracting is that the paper pulp of last process production is extracted with the machine of extracting, and gets rid of moisture, forms moisture content and is lower than 35% half-dried paper pulp cake or piece, so that packing or transportation.
Ten above-mentioned road manufacturing procedures, in production practices, can do suitable adjustment in proper order to the front and back of manufacturing procedure, especially each operation of cracking of physics according to different plant material characteristics, as cracking, high pressure swelling with operation such as discongest, combination multi-processing that can be repeatedly several times.
The physics that the present invention proposes cracks the paper pulp manufacturing technique technology that combines with biodegradation, be the physical method group technology complementary mutually with biological method, be by cracking, high pressure swelling, the cohesive force that means are destroyed the lignin between the string institutional framework earlier such as discongest, utilize the lignin of fungi microbe degrading plant fiber appearance again, realize that string is decomposed fully to break away from and the purpose of softening fibre.Specifically be by blank cleaning, cracking, high pressure swelling, discongest, making that biodegradation, secondary puffing, defibrination, several roads processing technology program of sieving, extracting realize paper pulp.
The physics of the present invention that above-mentioned processing technology program like this constitutes cracks the paper pulp manufacturing technique technology that combines with biodegradation, all has many saving graces concerning technical staff of the same trade now, and the progressive that possesses skills really.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any type of restriction, any those skilled in the art may utilize the technology contents of above-mentioned prompting to be changed or increase and decrease several roads manufacturing procedure, or be modified to the equivalent embodiment of equivalent variations, but every do not break away from physics of the present invention crack with the substance of the complementary mutually combined production process scheme of biodegradation or according to technical spirit of the present invention to any modification equivalent variations and modification that above embodiment made, all still belong in the scope of technical solution of the present invention.
Claims (10)
1, a kind of physics cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that the group technology that physical method is complementary mutually with biological method.Be by cracking, high pressure swelling, physics such as discongest and crack the cohesive force that means are destroyed the lignin between processed plant fiber cells institutional framework earlier, utilize fungi microbe degrading plant lignin again, realize that string is decomposed to break away from and the purpose of softening fibre tissue.Specifically be by blank cleaning, cracking, high pressure swelling, discongest, making that biodegradation, secondary puffing, defibrination, screening, several roads processing technology program of bleaching, extracting realize paper pulp.Above-mentioned paper pulp raw material comprises timber and non-wood plant.
2, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said cracking operation, be mechanical processing tools such as to tear and make wood chip or careless straw be cracked into wood wool or grass silk, and knaur and grass joint are all pulverized into fine strip shape by rolling, push, rubbing with the hands.This is seriously damaged with regard to the mechanics of biological tissue that makes plant and loosens, and above-mentioned mechanical lysis process is difficult for processing under raw material very dry status, can make the string fracture broken.
3, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said high pressure swelling operation, be that last process is cracked into the wood wool of strand shape or grass silk in water is encased in a high-pressure chamber, after the sealing hydraulic pressure in the storehouse is brought up to more than the 10Mpa, voltage stabilizing 10 minutes, the moment release, make between the tissue of string and change by expanded because of huge pressure, be torn fluffyly between fiber, this just makes fibre of plant organize further and is destroyed.High pressure swelling also can adopt the gas pressure means of steam to realize.
4, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that the wherein said operation of discongesting, be that last process is installed to special-purpose thin cutting in the equipment by expanded plant strand with water, it is rectangular that this equipment can be cut into thinner filament along machine direction uniformly by expanded plant strand.
5, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said biodegradation operation, is the plant filament bar biodegrade that last process is discongested.To drop into different bacterial classifications to dissimilar plants, to being that the biodegradation technology of main bacterium can adopt following implementation method: at first will spray uniformly to have and enrich culture of strains liquid to the plant filament to use aerobic bacteria, or the plant filament poured in the bacterial classification liquid pool, after the stirring dipping is good, pull auxilliary uniformly being put on the bed that ferments out, the fermentation bed is a conveyor type, the transmission interlock line that is combined into that tens fermentation head of a bed tail overlap joints are arranged, move forward a berth with the auxilliary plant filament of putting on every bed every day, and these plant filaments move to the process that just can finish whole fermentative degradation lignin in tens day time of last berth from first berth.The conveyer belt of fermentation bed is the porous net bed with the nylon wire braiding, has good ventilating air permeability, will evenly spray the nutrient solution that has novel bacterial every day to the plant filament on the fermentation bed, indoorly want sunny but must avoid ultraviolet direct irradiation, the fermentation bed will constantly rouse growth temperature and the humidity of advancing new wind but will keeping adapting to mushroom and enzyme down, this operation also can adopt packs the plant filament in the mesh bag into, overturning every day mesh bag realize to ventilate, these mesh bags can also be hung up guarantee ventilated.But no matter how, all essential breeding growth that guarantees that the bacterial strain on the plant filament is vigorous guarantees sunlight, guarantees humidity and temperature, guarantees to ventilate and send the oxygen amount.To being the method that the biodegradation technology of main bacterium can adopt fermentation vat: the plant filament is poured in the fermentation vat to use anaerobic bacteria, contained abundant degradation bacteria strains in the water in the pond, water will flood the plant filament, to keep the stable adaptation fungi and the breeding growth temperature of enzyme in the pond, forbid sometimes hot and sometimes cold.Generally be no more than the degradation process that just can realize the plant lignin in 10 days.Two kinds of above-mentioned biodegradation methods all are to make up the degraded of finishing jointly the plant lignin by multiple fungi.
6, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said secondary puffing operation, is that the string strand that last process had been degraded by biological bacterium is put into water filling pressurization in the high-pressure chamber once more.Pressure reaches more than the 10Mpa, voltage stabilizing 10 minutes, moment release.The plant strand since by fungi with all strippings and being decomposed of the lignin between the fibr tissue, the adhesion between the fiber is weakened greatly, through such high pressure swelling, just all separate more fluffy and approximate cotton-shaped between the fiber.
7, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said defibrination operation, be with last process by expanded and fluffy string that become is worn into paper pulp with fiberizer, the number of times of defibrination can be determined according to different plants with by the fiber situation after expanded.But can not too lacking of string mill is broken.
8, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said screening operation, be that the paper pulp that last process grinds is sieved with pulp screen, thick slag in the paper pulp and tiny separation of particles are gone out, stay standard compliant fiber suede.
9, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, it is characterized in that wherein said bleaching process, is the operation of being done when having higher whiteness to require to paper pulp.Bleaching has two kinds of methods, and a kind of is bio-bleaching, and paper pulp is immersed in the bio-bleaching pond, utilizes the pigment on the bio-enzyme degradation paper pulp fiber, and a kind of is to bleach with oxonium ion.These two kinds of methods are all pollution-free.Paper pulp after the bleaching is extracted through extracting machine, as the paper pulp finished product packing.
10, physics according to claim 1 cracks the paper pulp manufacturing technique technology that combines with biodegradation, the front and back order that it is characterized in that wherein said ten road manufacturing procedures can be done in production practices and suitably adjust a bit, and especially multi-processing is several times repeatedly for some operations of cracking of physics.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792980A (en) * | 2010-04-13 | 2010-08-04 | 王福喜 | Mechanical pulping method for biological bacteria liquid |
| CN101307159B (en) * | 2007-05-18 | 2011-06-15 | 杜昱光 | Process for preparing fibre with high adsorption capacity by using stalk as raw material |
| CN102234948A (en) * | 2010-04-27 | 2011-11-09 | 中国科学院过程工程研究所 | Method for removing lignin by combined treatment of straws and laccase |
| CN107083711A (en) * | 2017-02-04 | 2017-08-22 | 深圳市龙城生物科技股份有限公司 | A kind of biological complex enzyme and its method for stalk papermaking |
-
2004
- 2004-10-07 CN CNB2004100505568A patent/CN100494562C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307159B (en) * | 2007-05-18 | 2011-06-15 | 杜昱光 | Process for preparing fibre with high adsorption capacity by using stalk as raw material |
| CN101792980A (en) * | 2010-04-13 | 2010-08-04 | 王福喜 | Mechanical pulping method for biological bacteria liquid |
| CN102234948A (en) * | 2010-04-27 | 2011-11-09 | 中国科学院过程工程研究所 | Method for removing lignin by combined treatment of straws and laccase |
| CN107083711A (en) * | 2017-02-04 | 2017-08-22 | 深圳市龙城生物科技股份有限公司 | A kind of biological complex enzyme and its method for stalk papermaking |
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|---|---|
| CN100494562C (en) | 2009-06-03 |
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