CN110129380A - Utilize the method for stalk production biomass fuel, corrugated paper, organic fertilizer - Google Patents
Utilize the method for stalk production biomass fuel, corrugated paper, organic fertilizer Download PDFInfo
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- CN110129380A CN110129380A CN201910440029.4A CN201910440029A CN110129380A CN 110129380 A CN110129380 A CN 110129380A CN 201910440029 A CN201910440029 A CN 201910440029A CN 110129380 A CN110129380 A CN 110129380A
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- water
- concentration
- fiber
- stalk
- corrugated paper
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/006—Waste from chemical processing of material, e.g. diestillation, roasting, cooking
- C05F5/008—Waste from biochemical processing of material, e.g. fermentation, breweries
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
- C12P5/023—Methane
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
- C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
- C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/36—Explosive disintegration by sudden pressure reduction
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P2201/00—Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis
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- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The method that the present invention relates to the use of stalk production biomass fuel, corrugated paper, organic fertilizer, including straw cutting, dry method and water film dedusting, hot-water extraction wash desanding, continuously cooking hydrolysis, spurt reception, multi-stage countercurrent washing, high consistency refining, fiber classification processing, long fibre concentration, long fibre maturation process, long fibre defibrination, long fibre production corrugated paper；And staple fiber concentration, fiber enzymatic hydrolysis and fermentation fine crushing distillation produce cellulosic ethanol, useless wine with dregs separation utilizes.The present invention realizes the high-valued comprehensive utilization of stalk material each component, and waste water COD biodegradability is good, and without inorganic salt accumulation, it is natural gas that process hc effluent, which produces biogas and purifies, recycles after low density wastewater processing, water system closed circulation, wastewater zero discharge；Fibre fractionation large specific surface area fine crushing, enzymolysis efficiency are high；Long fiber fraction production corrugated paper intensity is high, high-quality, can drop the cost of cellulosic ethanol；Bio-natural gas, biomass granule fuel can reduce the use of fossil fuel.
Description
Technical field
The invention belongs to biomass material technical field of comprehensive utilization, and in particular to a kind of to produce biomass fuel using stalk
The method of material, corrugated paper, organic fertilizer.
Background technique
China's timber resources lacks, and the dunnage papers primary raw material such as corrugated paper is to recycle useless boxboard, and main source has
Domestic reclaimed waste paper and imported waste paper.
2017,47,200,000 tons of dunnage papers total output of China's corrugation boxboard etc., Zhan Zhongguo papermaking overall productivity 11130
The 42% of ten thousand tons of scale of constructions；China is the first big country of world's waste paper importation, 25,720,000 tons of imported waste paper in 2017；The 20% of paper product
More than, it is lost with export of goods and one-time consumption with paper；Separately there is about 20% or so to store as book information etc., state
Interior waste paper yield alreadys exceed 50,000,000 tons, close to the recycling limit；Especially dunnage paper (litter decoration) product, due to more
Secondary recycling cycling and reutilization, leads to fibre strength, yield decline, and fiber quality worse and worse, causes the dosage of chemical assistant to increase
Add, sewage treatment expense increases；Import OCC(can only be leaned on to give up boxboard) addition of Lai Zengjia fresh fiber, it is strong to improve fiber
Degree and yield.
In history, the dunnage papers such as the corrugation boxboard in China from slurrying produce, mainly using straw as raw material, make
With semichemical method, alkali chemical is added and carries out pulping by cooking, due to seriously polluted, backward in technique, inefficiency, from previous generation
It records the nineties, all gradually shuts down；The dunnage papers enterprises such as the corrugation boxboard of present production run, it is most of using domestic
Reclaimed waste paper and imported waste paper are raw material；The big waste paper importation source of the first of China is the U.S., due to limiting inlet etc., is led
Nearly 2 years raw materials big ups and downs as roller-coaster with finished product market are caused, the sound development of entire industry has been seriously affected.
China is surplus in commodity trade big country, that is to say, that exports object amount is much larger than imported goods object amount, this is resulted in greatly
Amount industrial packaging object is exported with export goods, so that industrial packaging fibrous raw material is constantly in total amount only reduces state, more
The acute shortage of fibrous raw material.
Fibrous raw material lacks, and will be the long-term pain spot in China, solves the self-produced fibres of dunnage papers such as China's corrugation boxboard
Slurry is tieed up, the heavy dependence to imported waste paper can be reduced, reduce the cost of entire industry, with great strategic importance and long-range
Economic significance.
The component of gramineae stalk raw material, ash content 2.5-6%, straw can achieve 16%；Cold water extract 2.5-8%；
Hot water extract boils the substance lost after 180min up to 13-29%(straw sample in distilled water, mainly water-soluble sugar,
The polysaccharose substances such as vegetable soda, cyclitol, tannin, pigment and colloid, mucus, starch, pectic substance, more lactose, it is most of to have
There is good biodegradability)；1% sodium hydroxide extract 27-40%, wheat straw and straw can achieve 45-48%(straw sample
Boil the substance lost after 60min in 1% sodium hydroxide solution, mainly part low-molecular weight lignin, pentosan, hexosan,
Resin acid and uronic acid etc.)；Pentosan (mainly arabinose and xylose) 18-26%；Cellulose 36-44%；Content of lignin
14-23%, and range of molecular weight distributions is wide, average molecular weight is about 8000-10000, wherein 20000 or more about 5%, 10000
Account for about 75% below, content of phenolic hydroxyl groups is higher in structural unit, and there are about the phenolic structure of 35-45%, other acidic-groups are also wooden
Material is more；The hemicellulose of stalk material is mainly the complex polysaccharide polymerization of 4-O- methyl glucose uronic acid, arabinose, xylose
Object.
The component of broad-leaved wood raw material, ash content 0.2-0.7%；Cold water extract 1-1.7%；Hot water extract 1.6-3.5%；
1% sodium hydroxide extract 17-22%；Pentosan (mainly xylose) 21-29%；Cellulose 49-55%；Lignin 18-23% is put down
Average molecular weight is about 16000-20000, wherein 20000 or more about 24%, 10000 or less account for about 43%, only about 20-30%'s
Phenolic structural unit；Hemicellulose is mainly the complex polysaccharide polymer of 4-O- methyl glucose uronic acid and xylose.
From the point of view of fibre morphology, gramineae stalk raw fibre average length 1.3-2.0mm, length-width ratio 110-174；
By taking broad-leaved wood Fast growth poplar as an example, average fiber length 0.8-1.3mm, length-width ratio 40-64；Only from the point of view of fibre morphology, stalk
Fiber is better than fast-growing broad-leaved wood.
Chemical pulp is during the cooking process, it is desirable that removing lignin as far as possible retains cellulose and hemicellulose；Corrugated paper slurry
Manufacturing method and use purpose, be different from chemical pulp, it is desirable that retaining cellulose and while hemicellulose, also wanting reserve
Quality is to keep the intensity and yield of paper pulp, with indexs such as the stiffness, the ring crush intensities that improve corrugated paper；Lignin is thin as plant
The filler of glue and cell wall between born of the same parents makes plant have rigidity, and wood lignin average molecular weight is stalk object
Twice of material is starched using same process technology using the corrugated paper that timber is produced as raw material, and intensity index will be much better than stalk original
Expect the paper pulp of production, this is one of the main reasons.
As straw raw material, corrugated paper slurry is produced, if the chemicals such as sodium hydroxide are added, most of 1% hydrogen-oxygen
Cooking liquor will be entered by changing sodium extract component, most in higher content of ashes, mainly silicates inorganic matter also into
Enter cooking liquor, making cooking liquor, not only dissolved matter content is high, and viscosity is high, and drainability is poor, and slurry increases, and leads to waste strength
Lower and amount is big, since the biodegradability of alkaline bleach liquor degradation object is poor, general BOD5/ COD is no more than 0.35, belongs to difficult to degrade useless
Water, the investment of waste water disposal facility and operating cost are high, and be difficult to it is up to standard, this be also in history this large amount of class factory could not give birth to
The main reason for being stored to today.
There are also stalk material is handled by the way of steam blasting, used using defibrination as corrugation intermittent pulp proportioning, by
Moisten the process that rises in no adequately washing and fiber, blasting direction poor selectivity generates a large amount of fibre debris, largely spurts
The radial fragmentation fragment that shock wave smashes not is the axial tearing formed of rising from each profit of internal fiber, thus can not shape
At the fibrillating form based on longitudinal tear；Not making material microfibre, generation can be less with the site of Hydrogenbond,
It is said on stricti jurise, the material of this method production cannot can be regarded as paper pulp, technical characteristic needed for not having paper pulp, Wu Fadan
Solely using production paper, it is intended only as what ingredient used, or incorporation or the incorporation production paper product in chemical pulp in secondary stock；Match
The product entered has the fibers such as corrugated paper or cutlery box, service plate to suppress product；There are also a kind of method, be by stalk cutting dipping after,
Directly combine progress defibrination with high-density paste mill using high-density paste mill or twin-screw pulper, the quality of this product with it is above-mentioned
Mode is the same, and purposes and effect are also almost the same；Prepared " paper pulp " does not have the technical characteristic of paper pulp, is that can not produce watt
The paper products such as stupefied paper, it can only be used as a small amount of ingredient.
Also there is the method using high temperature and pressure (1.2-2.0Mpa, even higher) steam blasting stalk material, as production
The preprocessing means of cellulosic ethanol, too short high temperature high pressure process time prevent material from being heated evenly (plant and cannot
The water of convection current is all the non-conductor of heat), especially lignin sufficiently (cannot be had vitrifying characteristic, softened by thermal softening
Journey does not have critical point, i.e., increases with temperature more and more softer), increase the resistance for tearing plant cell from the inside；Do not fill
The preparatory washing and fiber profit divided is risen, and the axially tearing of internal fiber cannot be generated；Excessively high blowing down pressure generates too strong
Shock wave makes the material radial fragmentation of strip, is formed close to circular graininess fragment, and circle is same volume material
In, a kind of the smallest form of specific surface area, the material specific surface area that can not show a candle to fibrillating form is big, enzyme preparation can and rate just
Not high, hydrolysis result would not also be got well；Excessively high temperature, it may occur that excessive thermal chemical reaction, generation have enzymatic hydrolysis and fermentation
The derivative of inhibiting effect；
And straw hot-water extraction is washed, make can extract largely dissolve out, the material component after extracting concentrates on cellulose, half
Cellulose and lignin；Material porosity increases, and fiber profit rises more preferable；In the high-temperature water digestion process that chemicals is not added, by
It, can in acetic acid and alditol acidic group that the acidic-groups such as more phenolic hydroxyl group, the carboxyl contained and the hydrolysis of acetylation glycan generate
Cooking liquor ph value is set to be down to 2.0-5.0, reduced ph value makes hydrolysis of hemicellulose progress faster；What hemicellulose degradation generated
4-O- methyl glucose uronic acid, arabinose and xylose have a good biodegradability into cooking liquor, and natural gas
Main component is methane, and the approach that anaerobism generates methane is exactly that organic matter is first degraded to acetic acid, could be degraded to methane again；Removal
The material of most of hot-water extraction object, hemicellulose degradation product is relatively pure, can also carry out higher value application；Hemicellulose
A large amount of degradations, keep material porosity higher, be mainly cellulose and lignin in remaining ingredient, in thermophilic digestion prehydrolysis acid
Property under the conditions of, condensation reaction occurs for lignin, the cavity of generation simultaneously because the hemicellulose for having chemistry to be keyed largely is degraded
Effect, the space structure of lignin molecule and position will change and be displaced；And without chemistry between cellulose and lignin
Key connection, only hydrogen bond action, sufficiently moisten the fiber to rise, expand the hydrogen bond action distance of lignin and cellulose, reduce
This Hydrogen bonding forces, it is easier to spurt and defibrination external force under separate, generate be similar to chemical pulping boiling dissolve out
The effect of reactant；The profit that material porosity increase simultaneously also promotes fiber rise (profit rise occur mainly in cellulose nothing it is fixed
Type area), keep the amount of moisture of material institutional framework absorbed inside and distribution bigger, during spurting, the explosion of these moisture
Point is just more, and range is also big, and sufficient fiber profit rises, and declines the Hydrogen bonding forces between microfibre, flexibility increases, material
Fibre bundle is most of axially to be torn along unformed area fiber, and material specific surface area is substantially improved, enzymatic hydrolysis can and rate increase, improve
Enzymolysis efficiency；Slight fiber exposes a large amount of hydroxyl, a large amount of hydrogen bonding sites occurs, to improve fiber bonding strength wound
Condition is made；This is also and the fundamental difference of above-mentioned steam blasting material place.
α-glycosidic bond of the glucosyl group of cellulosic molecule, it is weaker to the resistance of acid, in acid, temperature appropriate and processing
Under time conditions, cellulose occurs that hydrocellulose, cellulose dextrin, oligosaccharide, fiber two can also be generated with hydrolysis
Sugar is finally hydrolyzed to glucose, also enters cooking liquor；The hydrolysis of cellulose is that depth profit rises and spurts tearing as a result, can also improve
Effect increases the specific surface area of material, provides more hydrogen bonding sites；In chemical pulp production, lignin is largely de-
It removes, fiber exposes substantially, to protect as far as possible, and this hydrolysis phenomena will be fought off.
As wood raw material, hemicellulose and content of lignin are close with stalk material, but the molecular weight of its lignin point
Cloth narrow range, average molecular weight are about 2 times of stalk；Content of ashes only have stalk less than 1/10th, heat
Water extract only has 1/10th of stalk to a quarter, and content of cellulose is higher by nearly 15%, so being able to produce out
The higher paper pulp of quality, and waste water is easily processed.
In the high-temperature water digestion process that chemicals is not added, with the reduction of ph value, lignin is condensed between each other
Reaction, becomes the bigger lignin of molecular weight, and structure and chemical property are more stable；For chemical pulping, this is least
Wish generation, but produce corrugated paper slurry, the rigid of raw material but can be improved, and then improve the stiffness of corrugated paper, ring
The important indicators such as Compressive Strength, promote product quality；The lignin that property tends towards stability after condensation, to the adsorption energy of cellulase
Power decline, also can be improved enzymolysis efficiency.
One of the target of cellulosic ethanol stalk pretreatment is to try to reduce the size of enzymatic hydrolysis material, increases specific surface area,
Substantially be improve material cellulose Unit Weight specific surface area, improve enzyme preparation to cellulose can and rate, improve enzymatic hydrolysis
Effect；In stalk material enzymolysis process, since the fibre material fine crushing that earlier material contains is more, enzymatic hydrolysis rate is fast, efficiency
Height, with the consumption of fiber fine crushing, coarse proportion of fibers is higher and higher, and specific surface area is smaller, enzyme preparation can and rate it is lower,
In addition the barrier of exposed lignin and suction-operated, enzymolysis efficiency gradually decrease after cellulase hydrolysis；Fibre fractionation fine crushing is suitble to
It is used as enzymatic hydrolysis material, specific area is big, and enzymolysis efficiency is high；Long fiber fraction length is big, and stiffness and intensity are high, can produce quality
Preferable corrugated paper.
In stalk material treatment process, water film dedusting circulated sprinkling water, hot-water extraction washing water are mainly water-soluble
The polysaccharose substances such as sugar, vegetable soda, cyclitol, tannin, pigment and colloid, mucus, starch, pectic substance, more lactose, it is most of
With good biodegradability, practical the amount of dissolution about 5-15%；Multi-stage countercurrent washing water, mainly hemicellulose degradation object 4-
O- methyl glucose uronic acid, arabinose and xylose, there are also some low molecular weight hydrotropes, organic acid and colloid substances, it may have
Good biodegradability；Useless mash is distilled, dissolubility carbohydrate is mainly contained, there is preferable biodegradability；With
Upper waste water, BOD5/ COD ratio about 0.6-0.85 has good biodegradability (traditional pulping and paper-making industry waste water BOD5/
For COD ratio generally less than 0.35), producing biogas into Anaerobic Treatment and purify is natural gas；Bio-natural gas be also China energetically
The industry of development is encouraged, it can be preferential grid-connected into city gas pipeline system；Biomass material anaerobic methane production gas in liquid form,
Efficiency far is higher than the mode of stalk entirety producing methane through anaerobic fermentation.
Avicel cellulose and lignin mixture that useless wort sludge material does not digest mainly are distilled, wherein lignin about 60-
80% or so, avicel cellulose about 20-40% or so, ash content is mainly in combination in lignin；It can be directly used for production granular fuel,
Calorific value can reach 3500kcal/kg or more.
It is the nutrient source of organic agronomic crop containing a large amount of organic matter humic acid in rich soil, and humic acid mainly comes
The lignin that useless wort sludge material contains is distilled in natural lignin, this method, does not pass through the processing of inorganic chemical, substantially
The structure type for maintaining natural lignin, closer to the organic matter humic acid naturally occurred, can also with canebreak, detest
The mixed fermentations such as oxygen and aerobic sludge, air-flotation scum produce organic fertilizer.
Although distilling useless wort sludge material is subparticle shape shape, but have smaller volume and bigger compared to long fiber fraction
Specific surface area, surface have a large amount of hydroxyl, and the hydroxyl of existing cellulose also has the hydroxyl of lignin, have very strong hydrogen bond
Binding ability can also be directly incorporated into long fiber fraction production corrugated paper, the tightness and intensity of corrugated paper can be improved.
Small amounts calcium is only added before refining, for adjusting ph value, under conditions of the ph5.0-6.0 of enzymatic hydrolysis, dissolution
Calcium ion can be allowed to be passivated in conjunction with lignin, reduce to the ineffective adsorption of enzyme preparation；In other systems such as corrugated paper,
Ph value is improved to ph6.5-7.5, and calcium oxide meets water and generates calcium hydroxide, and solubility is lower, in Anaerobic Treatment, Aerobic Process for Treatment and hair
There is great amount of carbon dioxide generation during ferment, in water system, makes the most of precipitating wadding as calcium carbonate of the calcium ion of dissolution
It is solidifying, and separate outlet system；Calcium oxide is added after defibrination, primarily enters low density wastewater, enters Aerobic Process for Treatment in low density wastewater
Before, air bearing deliming facility is set, calcium ion flocculate precipitate in water removal is gone, by recycling deliming, reduces calcium ion in system
Fouling, and be lowered into anaerobic tower recirculated water calcium ion concentration, reduce the calcification of anaerobic activated sludge (containing a large amount of in waste paper
Calcareous filler effectively prevent the tired of calcareous dissolved matter in recirculated water using this method using waste paper as the corrugation paper plant of raw material
Product)；And the silt of finished product corrugated paper, granular fuel, organic fertilizer, discharge system can take away a part of inorganic salts, in system
The accumulation of dissolubility inorganic salts will not be generated；Waste water after Anaerobic Treatment, using Aerobic Process for Treatment, COD reach 300mg/L with
Under, after being mixed with low density wastewater, it is recycled in system inner sealing；Wherein fermentation mainly uses drying cylinder condensed water and supplement with water
Fresh water；Realize industrial water zero-emission.
In conclusion needing the method using stalk production biomass fuel, corrugated paper, organic fertilizer.
Summary of the invention
Technical problem to be solved by the invention is to provide utilize stalk production biomass fuel, corrugated paper, organic fertilizer
Method.
In order to solve the above technical problems, the technical scheme is that using stalk production biomass fuel, corrugated paper,
The method of organic fertilizer, including straw cutting, dry method and water film dedusting, hot-water extraction washing desanding, continuously cooking hydrolysis, spurt and connect
Receipts, multi-stage countercurrent washing, high consistency refining, fiber classification processing, long fibre concentration, long fibre maturation process, long fibre defibrination, length
Fiber produces corrugated paper step；And fiber concentration fine crushing, fiber enzymatic hydrolysis and fermentation fine crushing distillation production cellulosic ethanol, useless wort sludge
Material production granular fuel step；Be natural gas there are also high-concentration waste water Anaerobic Treatment, Aerobic Process for Treatment, sludge condensation, marsh gas purifying,
Canebreak produces organic fertilizer step, and wastewater treatment forms water seal closed loop system, i.e., the waste water that each link generates is by processing
It recycles again afterwards.
Straw cutting step specifically: stalk material is cut off, dry method dust machine is sent into, the dust and clast raised is drawn
Blower sucks water film dedusting step, stalk material shearing length 20-40mm, 85% or more qualification rate.
Dry method dust step specifically: the stalk material of cutting is loosely overturn in dry method dust machine, will be adhered on tablet
Silt sift out and discharge system, be then fed into extracting washing desanding step；The dust and clast raised sucks water by air-introduced machine
Film dust removal step.
Water film dedusting step specifically: the air-flow containing dust and clast that blower is sent, in spray water film and cyclone
Under the action of, cleaned air emptying, canebreak and sediment settlement get off, and filter out canebreak, isolate silt, cross drainage
It is recycled, until COD value reaches 3000mg/L or more, water treatment system is sent to mix with hc effluent, then produce into Anaerobic Treatment
Biogas simultaneously purifies as natural gas；Use washing water of the extracting washing desanding step cycle after as shower water, water temperature 40-70
℃；Canebreak is mainly leaf, marrow point, for producing organic fertilizer.
Hot-water extraction washs desanding step specifically: stalk material is sent into extracting washing desanding step, makes water-soluble substances
Dissolution, wash time 5-90min, 60-100 DEG C of water temperature, washing material content 2-15%(material-water ratio)；Washing water is recycled, until
COD value reaches 2500mg/L or more, send Water Membrane Dedusting System；COD value reaches 3000mg/L or more, send before anaerobic system with it is highly concentrated
Waste water mixing, and the silt in washing water is separated, transfer out system；Hot-water extraction washing keeps a large amount of water-soluble substances molten
Out, stalk material porosity increases, and hydrone is easier to penetrate into inside stalk material institutional framework.
Continuously cooking hydrolysing step specifically: stalk material feeds mass dryness fraction 40-50%, boiling material-water ratio 1:1-4, boiling temperature
143-191 DEG C, cooking pressure 0.3-1.2Mpa, digestion time 20-60min of degree directly spurts, and spurts frequency 10-16 times/min,
It sprays the duration 0.05-1 seconds every time, spurts material concentration 15-40%, pH value 2.0-5.0, chemicals is not added in digestion process；
Above data can be adjusted according to final fiber classification processing requirement, if you need to improve long fiber fraction ratio, then reduce boiling hydrolysis
Temperature and pressure, while boiling vessel material plug mass dryness fraction and tightness can be reduced, the rubbing also just reduced between the area Liao Sai material is made
With also reducing and spurt tearing strength, fibre length can be increased；If you need to improve fibre fractionation ratio fine crushing, then boiling is improved
Hydrolysis temperature and pressure, while boiling vessel material plug mass dryness fraction and tightness need to be improved, the dislocation also increased between the area Liao Sai material is torn
Effect is split, average fiber length can be reduced；If you need to increase gas production, boiling hydrolysis time can be extended, increase hemicellulose
Degradation product content improves the degradable COD content of countercurrent washing water.
Spurt receiving step specifically: receive the material that spurts with pressure, receive material concentration 15-40%；The spray
Journey is let off, the material of boiling hydrolytic process is exactly completed, is discharged by high-temperature high-pressure state into normal pressure reception device in the short time,
Hydrone and volatile component in material volatilize rapidly diffusion, and volume sharply expands, and convert heat into kinetic energy, generation is similar to
The effect of explosion, material, which contains moisture and the internal structure position of volatile component, becomes blow-up point, during spurting, these moisture
Material is crushed by son and volatile component from internal sharply vaporized expanding from internal lacerations.
Conventional boil pulping process makes the lignin dissolution for supporting material structural strength, and material institutional framework has been collapsed,
It is easily separated into slurry, so generally spurting using decrease temperature and pressure, rate is cut down to the pressure diffusion for spurting receiving step
Just do not specially require；Material structure intensity is not destroyed substantially in this method, is directly spurted using high pressure lower moment, and frequency is spurted
Rate is high, and it is few that single spurts inventory, and it is fast that pressure cuts down rate, and it is good that explosion tears effect, spurts and receives with conventional boil slurrying
Process has essential distinction.
Boiling hydrolyzes in treatment process, and since ph value is down to the acid range of ph2-5.0, hemicellulose is also largely degraded,
There are more gaps in material internal structure, and hydrone is to the infiltration of material deeper into the profit of fiber rises also more extensively, these infiltrations
Saturating hydrone and profit rises the hydrone of fiber, can all become blow-up point in spurting, generate from the fibrous inside of extensive multiple spot
Tearing, the profit of fiber rise and decline the Hydrogen bonding forces between microfibre, and rise in each profit and a little form burst point, a large amount of scripts
Fiber inside plant structure turns up the exposed surface as fibre material from internal lacerations, tears fibre bundle along axial direction
A large amount of slight fiber, material specific surface area out is split to be substantially improved, enzymatic hydrolysis can and rate increase, improve enzymolysis efficiency；It measures greatly
Existing slight fiber exposes a large amount of hydroxyl, generates a large amount of hydrogen bonding sites, is similar to mashing and acts on, fibre can be improved
Bond strength between dimension improves the binding force of corrugated paper.
Multi-stage countercurrent washing step specifically: from the material for spurting receiving step, washed by multi-stage countercurrent, by boiling
The dissolved and colloidal substances generated in hydrolytic process wash out, and main component is hemicellulose degradation object, low molecular weight dissolved matter, has
Machine acid and colloid substances etc., washing water send water treatment system to mix with low density wastewater and adjusts COD value, then produces biogas into Anaerobic Treatment；
It can also further purify or the high-valued product of fermenting and producing；For dehydration equipment inlet feed concentration dilution to 3-15%, exit concentration is dense
It is reduced to 15-35%, using 2 grades or more countercurrent washing regimes, washing water COD reaches 25000-90000mg/l.
It is handled by above steps, cellulose and lignin ratio are substantially improved in material component；And a large amount of fibers are in
Reveal fibrillating form；Lignin is condensed, and molecular weight increases, reactivity tends towards stability；Fibrillating is conducive to mention
Corrugated paper stiffness can be improved in high corrugated paper bond strength, lignin molecule amount increase；Meanwhile fibrillating increases cellulose
Specific surface area, the activity stabilized ineffective adsorption that can be reduced to enzyme preparation of lignin is remarkably improved enzymolysis efficiency.
High consistency refining step specifically: the material after washing, using 1 grade or more high consistency refining of connecting, defibrination input concentration
25-35%, 90-95 DEG C of temperature, beating degree 25-35oSR；Lime powder is added in refiner inlet, adjusts fiberizer outlet material
Ph value is to ph4.8-6.0.
The ph value that enzymatic hydrolysis needs is ph5-6.0, and the material ph value after washing is relatively low, and alkaline matter adjusting need to be added, be added
Lime powder generates organic acid calcium salt with organic acid reaction, or generates calcium hydroxide with reaction of moisture, and release heat, and one
It is that can soften lignin to improve refining effect；Second is that slurry is by wet-dry change purification, hot-water extraction washing, boiling hydrolysis and multistage
It washs, easily stripping material is largely separated in material, the more stable wood of property mainly after cellulose and pretreatment
Quality, and ph value is not higher than ph7.5, leachable is seldom；Third is that the calcium hydroxide solubility that calcium oxide reacts generation with water is lower,
And have great amount of carbon dioxide generation in Anaerobic Treatment, Aerobic Process for Treatment and fermentation process, in water system, keep the calcium ion of dissolution big
Flocculation sedimentation is got off as calcium carbonate for part, and separates outlet system by the air bearing deliming facility before Aerobic Process for Treatment, no
It will cause the accumulation of water system dissolubility calcium salt, water system influenced little；Fourth is that the meeting of lignin active group and calcium binding,
Make the reduction of lignin activity, reduce the absorption to enzyme preparation, improves enzymolysis efficiency；Fifth is that lime powder not influence process is added
Material concentration；It is extra calcareous to keep in corrugation sixth is that calcium compound is the common raw mineral materials additive of paper industry
In paper.
Fiber classification processing step specifically: the material after dilution high consistency refining, and fiber classification processing is carried out, it feeds dense
Degree is 1.0-3.5%；Long fiber fraction pulp concentration 1-6%；Fiber pulp concentration 0.5-3.5% fine crushing；Long fibre classification processing ratio
Example 0%-100%, fiber classification fine crushing handle ratio 100%-0%.
Long fibre is classified processing ratio 0%-100%, and fiber classification fine crushing handles ratio 100%-0%；It can exactly be done with 100%
For long fibre use, it is completely used for production corrugated paper；It can also be used with 100% as fiber fine crushing, be completely used for enzymatic hydrolysis and fermentation steaming
Evaporate production cellulosic ethanol.
Long fiber fraction produces corrugated paper, also includes the following specific steps:
Long fiber fraction concentration is concentrated into 25-35% by 1-6% dehydration；
It is heat aging to long fiber fraction progress, soften lignin, is convenient for subsequent defibrination, material concentration 25-35%, curing temperature
95-100 DEG C of degree, time 30-90min；
Material after curing carries out defibrination process, refining concentration 4-35%, defibrination beating degree 26-32oSR；Refiner inlet is added
Lime powder adjusts fiberizer outlet material ph value to ph6.5-7.5；
Corrugated paper is produced using the long fibre after defibrination.
Fibre fractionation concentration step fine crushing:
Fibre fractionation concentration fine crushing is concentrated into 15-40% by 0.5-3.5% dehydration.
Fibre fractionation enzymatic hydrolysis and fermentation distillation production cellulosic ethanol fine crushing and useless wort sludge material production granular fuel step are specific
Are as follows:
Fibre fractionation fine crushing is digested, is fermented, distilling production cellulosic ethanol, and dry matter content 15-40% is digested；Distillation is useless
Mash COD reaches 35000-60000mg/l, and sending anaerobic system to produce biogas and purify is natural gas；Distill useless wort sludge material production
Grain fuel, it can also be used to organic fertilizer is produced, long fiber fraction production corrugated paper can also be mixed, it can also be as lignin product
It sells.
Hc effluent Anaerobic Treatment, Aerobic Process for Treatment, water seal closed loop, marsh gas purifying are natural gas, the production such as canebreak
Organic fertilizer step specifically:
The multi-stage countercurrent washing water of water film dedusting circulated sprinkling water and stalk extracting washing water after being separated by solid-liquid separation, with high concentration
With the useless mash of distillation, mixing adjusts COD value, produces biogas into Anaerobic Treatment and purification is natural gas；The canebreak filtered out
With anaerobism, aerobic sludge, air-flotation scum, useless wort sludge material can also be added, for producing organic fertilizer；It is useless after Anaerobic Treatment
Water after COD reaches 300mg/L hereinafter, mixing with low density wastewater, is recycled using Aerobic Process for Treatment in system inner sealing；Its
Middle fermentation mainly uses drying cylinder condensed water and supplement fresh water with water；Industrial water zero-emission.
System water all passes through magnetization treatment, magnetic field strength 4000-8000GS；Water flow passes through time 0.5-10 seconds
Microbial activity can be improved using the water of magnetization treatment in clock, can improve enzymatic hydrolysis, fermentation, Anaerobic wastewater treatment, Aerobic Process for Treatment etc.
The functioning efficiency of microorganism.
The invention has the following advantages:
1, the washings that water film dedusting circulated sprinkling water and hot-water extraction washing water contain, mainly water-soluble sugar, vegetable soda,
The polysaccharose substances such as cyclitol, tannin, pigment and colloid, mucus, starch, pectic substance, more lactose, it is most of with good
Biodegradability, Actual laundering the amount of dissolution about 5-15%, it is easy to which degradation generates biogas；It, can be with after isolating these components
It improves the drainability of subsequent slurry, improve binding force, reduce steam and power consumption；Leaf, marrow point in straw, mainly
It is the parenchyma cell for storing nutriment, cellulose and content of lignin are less, and molecular weight is lower, degradation are easy, as plant
Clast is separated, and fermenting and producing organic fertilizer is suitable for.
2, hot-water extraction of the invention washing dissolves out the low molecular weight hydrotrope, increases material porosity, also improves
The profit of fiber rises effect, sufficiently the fiber that rises of water suction profit, substantially reduces the Hyarogen-bonding between microfibre, is spurting discharge
In the process, each point that fibrous absorbent profit rises can become blow-up point, and fibre bundle is easier to generate axial tearing from inside, also
It is fibrillating trend occur, while tearing lignin structure layer；Lignin be it is hydrophobic, can soften under high temperature, material tissue
Internal moisture can generate explosion tearing during spurting discharge to it；Make the cellulose specific surface area of material Unit Weight
Increase, that is, be conducive to enzymatic hydrolysis process, is also beneficial to form the intensity that more hydrogen bonds improve corrugated paper between fiber.
3, it is handled by leading portion of the present invention and the material of countercurrent washing, cellulose and lignin component ratio greatly improves,
Broad-leaved wood is alreadyd exceed, parenchyma cell substance therein or hot-water extraction object have fallen to lower than fast-growing broad-leaved wood；?
It is not added in the continuously cooking hydrolytic process of chemicals, what the carboxyl, phenolic structure and high temperature lower variation of stalk material itself generated
The acidic-groups such as carboxyl make cooking liquor ph value be down to 2.0-5.0, under high mild acidic conditions, the very high lignin of activity, and meeting
A large amount of condensation reaction occurs, increases lignin average molecular weight, and the lignin properties after condensation tend towards stability；It loses low
The material porosity of molecular weight component increases, and the exposed specific surface area of lignin expands, and more promotes the progress of condensation reaction, into
And improve the stiffness and intensity of corrugation paper pulp；Corrugated paper is different from chemical pulp with slurry, to retain lignin to keep pulp strength
And yield.
4, under high mild acidic conditions, lignin condensation, activity is reduced, to the adsorption capacity of enzyme preparation in enzymolysis process
It will also decrease, the enzymolysis efficiency of material can be improved.
5, fiber classification processing processing is carried out, long fiber fraction and fiber fine crushing are separated, fibre fractionation fine crushing is average outer
Shape size is small, large specific surface area, enzyme preparation can and rate it is high, hydrolysis result is good, can reduce cellulosic ethanol cost；Long fibre group
Divide specific surface area smaller, outer dimension is long, and crystalline fibers cellulose content is higher, and the accessibility of enzyme preparation is poor, but long fiber length
Greatly, stiffness and intensity are high, use as corrugation paper pulp, can produce the preferable high-strength corrugated paper of quality, improve long fiber fraction
Value.
6, content of phenolic hydroxyl groups is higher in straw lignin structural unit, and there are about the phenolic structure of 35-45%, other acidic groups
Group is also more, and activity is stronger, has strong sucking action to cation；Heavy metal cation in stalk replaces acidic groups
The hydrogen atom of group, is incorporated in lignin in the form of insoluble salt, is stablized in conjunction with chemistry of lignin's property of metal cation,
Including also very stable to acid, alkali and general oxidant, it is difficult to form the metal cation of free state, metal cation is by stable
It is incorporated in lignin；Metal cation can be also incorporated in lignin with complex form；Pass through energy enriching heavy metal element
Plant, heavy metal element is enriched in stalk, and by means of the present invention, useless wort sludge material will be distilled and also mix long fibre
Component produces corrugated paper, and the heavy metal element being enriched in final stalk is transferred in corrugated paper, with economically viable with lignin
The heavy metal element of contaminated land is transferred in industrial goods by mode, harmless treatment is realized, to repair the heavy metal-polluted of China
It contaminates soil and one feasible technique direction is provided.
7, wastewater zero discharge of the present invention, environmental-friendly, this is to individually produce cellulosic ethanol, natural by raw material of stalk
Any one of gas, corrugated paper, organic fertilizer product is all unable to reach.
8, of the invention to produce the method for biomass fuel, corrugated paper, organic fertilizer, it can be achieved that stalk material is each using stalk
The high-valued comprehensive utilization of component, environmental-friendly, spent process water resource utilization, and prepare large specific surface area, suitable for enzymatic hydrolysis
The corrugated paper of fibre fractionation and high quality fine crushing；The industrial packagings such as China's corrugation boxboard can be improved in promotion and application of the invention
The self-produced slurry ability of paper alleviates the problem that China's fibrous raw material lacks, and reduces the dependence to imported waste paper；Fibre fractionation fine crushing is used
In enzymatic hydrolysis system, enzymatic hydrolysis property is improved, reduces cellulase hydrolysis sugar making cost, to promote biomass comprehensive utilization technology
Development.
Detailed description of the invention
Fig. 1 is the flow diagram using the method for stalk production biomass fuel, corrugated paper, organic fertilizer.
Specific embodiment
The present invention is described further combined with specific embodiments below.
Embodiment 1
Utilize the method for stalk production biomass fuel, corrugated paper, organic fertilizer, comprising the following steps:
Stalk material is continuously introduced into straw cutting machine by belt conveyor, and stalk material is cut off, shearing length 20-40mm,
Qualification rate 85%；Dust removal machine is sent by belt conveyor again；Stalk material is loosely overturn in roll-type dust removal machine, will be on tablet
The silt of adherency sifts out, and is then sent into hot-water extraction by belt conveyor and washs desanding device, the dust raised and clast quilt
Air-introduced machine sucks Water Membrane Dedusting System, the air-flow containing dust and clast, in the effect of temperature 50 C spray water film and cyclone
Under, cleaned air emptying, canebreak and sediment settlement get off, filter out canebreak, isolate silt, canebreak is used for
Produce organic fertilizer；It is recycled to cross drainage, until COD reaches 3300mg/L, water treatment system is sent to mix with hc effluent, into detesting
It is natural gas that oxygen, which produces biogas and purifies,；
Material after dedusting is sent into hot-water extraction and washs desanding device, and wash time 10min washs 80 DEG C of water temperature, washing material
Content 3.5%(material-water ratio), until washing water COD circulation reaches 2500mg/L, the canebreak extracted in washing water is separated
For producing organic fertilizer；Washing water send Water Membrane Dedusting System to use as circulated sprinkling water；It isolates silt and transfers out system；
COD circulation reaches 3300mg/L, directly water treatment system is sent to mix with hc effluent；
Stalk material after extracting washing enters continuously cooking hydrolysis system, material plug screw machine material plug mass dryness fraction 50%, boiling temperature
185 DEG C, cooking pressure 1.0Mpa, digestion time 35min, boiling material-water ratio 1:1.5, bend pipe spraying device directly spurts, material
Fast decompression enters reception device, spurts 12 times/min of frequency, sprays the duration 0.1 second every time, spurts material mass dryness fraction
30%；
From the material for spurting receiving step, the liquid diluting deviate from using second level squeezing dehydration device is to concentration 10%, into one
Grade squeezing dehydration device, extrusion liquid enter collecting tank, exit concentration 35%, and the liquid deviate from using three-level squeezing dehydration device is dilute
Material is released to concentration 10%, into second level squeezing dehydration device, exit concentration 35%, using recycle-water diluted material to concentration 10%,
Into three-level squeezing dehydration device, exit concentration 35%；Collecting tank extrusion liquid COD about 30000-45000mg/l, send Anaerobic Treatment
It is preceding mixed with low density wastewater after enter back into anaerobic system；
Three stage countercurrents squeeze the material after washing, using 2 grades of series connection high consistency refinings, defibrination input concentration 35%, defibrination temperature 90
DEG C, defibrination beating degree 30oSR；Lime powder is added in refiner inlet, adjusts material ph value to ph4.8-5.5；Dilute defibrination
Material afterwards is sent into fiber classification processing unit and carries out classification processing, long fiber fraction pulp concentration 3.5-6% is kowtowed to concentration 2%
Solution degree 18-23oSR；Fiber pulp concentration 1.0-1.5%, beating degree 35-40oSR fine crushing；Fiber classification long, fine crushing handles ratio
Each 50%；
Long fiber fraction concentration is concentrated into 35% by 3.5-6% dehydration, is heated to 95 DEG C of temperature, maturation process 60min；Before curing
Lime powder is added in primary refiner import, adjusts outlet slurry ph value to ph6.5-7.5；It first carries out curing forward and backward 2 grades
High consistency refining, refining concentration 35%, then carry out the low dense defibrination of three-level, concentration 5%；Pulp beating degree 28-30oSR, send corrugated paper machine
Produce corrugated paper；
Fibre fractionation concentration fine crushing is concentrated into 30% by 1.0-1.5% dehydration, into enzymatic hydrolysis, fermentation, Distallation systm, produces cellulose
Ethyl alcohol；It distills useless mash COD and reaches 35000-50000mg/l, send Anaerobic Treatment；Distill useless wort sludge material 50% is used for production
Grain fuel；30% for producing organic fertilizer；20% sells as lignin；
The multi-stage countercurrent washing water of water film dedusting circulated sprinkling water and hot-water extraction washing water after being separated by solid-liquid separation, with high concentration
With the useless mash of distillation, mixing adjusts COD value, produces biogas into Anaerobic Treatment and purification is natural gas；The canebreak filtered out
With anaerobism, aerobic sludge, air-flotation scum, useless wort sludge material, for producing organic fertilizer；Waste water after Anaerobic Treatment, using good
Oxygen processing after COD reaches 300mg/L hereinafter, mixing with low density wastewater, is recycled in system inner sealing；Wherein water is used in fermentation
Mainly using drying cylinder condensed water and supplement fresh water；Industrial water zero-emission；
System water all passes through magnetization treatment, magnetic field strength 4000GS；Water flow passes through the time 3 seconds.
Embodiment 2
A kind of method that stalk comprehensive utilization produces alcohol fuel, natural gas, corrugated paper, organic fertilizer, granular fuel, including it is following
Step: stalk material is continuously introduced into straw cutting machine by belt conveyor, and stalk material is cut off, shearing length 20-40mm,
Qualification rate 90%；Dust removal machine is sent by belt conveyor again；Stalk material is loosely overturn in rotary drum dust removal machine, by tablet
The silt of upper adherency sifts out, and is then sent into hot-water extraction by belt conveyor and washs desanding device, the dust and clast raised
Water Membrane Dedusting System is sucked by air-introduced machine, the air-flow containing dust and clast, in the work of 55 DEG C of spray water films and cyclone of temperature
Under, cleaned air emptying, canebreak and sediment settlement get off, and filter out canebreak, isolate silt, and canebreak is used
In production organic fertilizer；It is recycled to cross drainage, until COD reaches 4500mg/L, send water process anaerobic methane production gas；
Material after dedusting is sent into hot-water extraction and washs desanding device, and wash time 60min washs 100 DEG C of water temperature, washing material
Content 10%(material-water ratio), until extracting washing water COD circulation reaches 3500mg/L, the canebreak in washing water is separated
For producing organic fertilizer；Washing water send Water Membrane Dedusting System to use as circulated sprinkling water；It isolates silt and transfers out system；
COD circulation reaches 4500mg/L, and water treatment system is sent to mix with hc effluent；
Stalk material after extracting washing enters continuously cooking hydrolysis system, material plug screw machine material plug mass dryness fraction 48%, boiling temperature
175 DEG C, cooking pressure 0.8Mpa, digestion time 40min, boiling material-water ratio 1:2, bend pipe spraying device directly spurts, and material is fast
Speed decompression enters reception device, spurts 15 times/min of frequency, sprays the duration 0.15 second every time, spurts material mass dryness fraction 25%；
From the material for spurting receiving step, the liquid diluting deviate from using second level squeezing dehydration device is to concentration 10%, into one
Grade squeezing dehydration device, extrusion liquid enter collecting tank, exit concentration 35%, and the liquid deviate from using three-level squeezing dehydration device is dilute
Material is released to concentration 10%, into second level squeezing dehydration device, exit concentration 35%, using recycle-water diluted material to concentration 10%,
Into three-level squeezing dehydration device, exit concentration 35%；Collecting tank extrusion liquid COD about 25000-40000mg/l, send Anaerobic Treatment；
Three stage countercurrents squeeze the material after washing, using 2 grades of series connection high consistency refinings, defibrination input concentration 35%, defibrination temperature 95
DEG C, defibrination beating degree 28oSR；Lime powder is added in refiner inlet, adjusts material ph value to ph4.8-5.5；Dilute defibrination
Material afterwards is sent into fiber classification processing unit and carries out classification processing, long fiber fraction pulp concentration 3.0-5% is kowtowed to concentration 2%
Solution degree 18-20oSR；Fiber pulp concentration 1.0-1.7%, beating degree 32-35oSR fine crushing；Long fiber fraction is classified ratio 60%, carefully
Debris component is classified ratio 40%；
Long fiber fraction concentration is concentrated into 35% by 3-5% dehydration, is heated to 95 DEG C of temperature, maturation process 90min；Carry out 3 grades of mills
Slurry processing, cures forward and backward progresss I and II high consistency refining, and primary refiner import is added lime powder, adjusting ph value to
Ph6.5-7.5, concentration 35%；The low dense defibrination of three-level, concentration 4.5% are carried out again；Pulp beating degree 28-30oSR send corrugated paper machine raw
Produce corrugated paper；
Fibre fractionation concentration fine crushing is concentrated into 25% by 1.0-1.7% dehydration, into enzymatic hydrolysis, fermentation, Distallation systm, produces cellulose
Ethyl alcohol；It distills useless mash COD and reaches 40000-50000mg/l, send Anaerobic Treatment；Distill useless wort sludge material all incorporation long fibre groups
Divide for producing corrugated paper；
The multi-stage countercurrent washing water of water film dedusting circulated sprinkling water and stalk extracting washing water after being separated by solid-liquid separation, with high concentration
With the useless mash of distillation, mixing adjusts COD value, produces biogas into Anaerobic Treatment and purification is natural gas；The canebreak filtered out
With anaerobism, aerobic sludge, air-flotation scum etc. for producing organic fertilizer；Waste water after Anaerobic Treatment, using Aerobic Process for Treatment,
After COD reaches 300mg/L hereinafter, mixing with low density wastewater, it is recycled in system inner sealing；Fermentation mainly uses drying cylinder with water
Condensed water and supplement fresh water；Industrial water zero-emission；
System water all passes through magnetization treatment, magnetic field strength 5000GS；Water flow passes through the time 2 seconds.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (5)
1. utilizing the method for stalk production biomass fuel, corrugated paper, organic fertilizer, which comprises the following steps: stalk
Cutting, dry method and water film dedusting, hot-water extraction washing desanding, continuously cooking hydrolyzes, spurts reception, multi-stage countercurrent washs, is highly concentrated
Defibrination, fiber classification processing, long fibre concentration, long fibre maturation process, long fibre defibrination, production corrugated paper；It further include fine crushing
Fiber concentration, enzymatic hydrolysis and fermentation distillation production cellulosic ethanol, useless wort sludge material produce granular fuel；Wherein, water film dedusting, hot water are taken out
Propose washing desanding, the waste water that multi-stage countercurrent washing step generates, there are also useless mash, after the mixing of waste water blending tank again through anaerobism at
It manages, Aerobic Process for Treatment, after sludge condensation, produces organic fertilizer with dry method and water film dedusting clast, the useless wort sludge material mixed fermentation in part；
It is natural gas that Anaerobic wastewater treatment, which generates biogas and then purifies,；Fiber concentration step, the low density wastewater warp for producing corrugated paper step
It after processing, mixes with the waste water after Aerobic Process for Treatment, is recycled in system inner sealing.
2. utilizing the method for stalk production biomass fuel, corrugated paper, organic fertilizer as described in claim 1, it is characterised in that:
Straw cutting step specifically:
Stalk material is cut off, dry method dust machine is sent into, the dust and clast raised sucks water film dedusting by air-introduced machine；
Dry method dust step specifically:
The stalk material of cutting, loosely overturns in dry method dust machine, the silt adhered on tablet is sifted out simultaneously discharge system, so
It is sent into hot-water extraction afterwards and washs desanding step；The dust and clast raised also sucks water film dedusting by air-introduced machine；
Water film dedusting step specifically:
The air-flow containing dust and clast that air-introduced machine is sent, under the action of spray water film and cyclone, cleaned air emptying,
Canebreak and sediment settlement get off, and filter out canebreak, isolate silt, drainage excessively is recycled, until COD value reaches
After certain numerical value, then sending Anaerobic Treatment to produce biogas and purify is natural gas, and canebreak is mainly leaf, marrow point, for producing
Organic fertilizer；
Hot-water extraction washs desanding step specifically:
Stalk material is sent into hot-water extraction and washs desanding step；Water-soluble substances are dissolved, and the silt in washing water is separated
Out, system is transferred out, extracting washing water is recycled to certain C OD value, canebreak is filtered out, for producing organic fertilizer
Material；Filtering water send system for anaerobic treatment and reuse to use to water film dedusting step as shower water respectively；
The use of the material after the attrition crushings such as bagasse, sweet sorghum stalk is raw material, hot-water extraction washing desanding can be directly entered
Step.
Continuously cooking hydrolysing step specifically:
The stalk material after desanding directly is washed to hot-water extraction and carries out boiling hydrolysis；
Spurt receiving step specifically:
It receives and spurts material with pressure；
Multi-stage countercurrent washing step specifically:
It from the material for spurting receiving step, is washed by multi-stage countercurrent, the dissolved and colloidal substances in digestion process is washed out,
Main component is hemicellulose degradation object, low molecular weight dissolved matter, colloid substances, lignin and organic acid etc., multi-stage countercurrent washing
It is natural gas that water, which send Anaerobic Treatment to produce biogas and purify,；
High consistency refining step specifically:
Material after washing carries out high consistency refining, and adjusts ph value；
Fiber classification processing step specifically:
Material after diluting high consistency refining using recycle-water, and carry out fiber classification processing；
Long fibre concentration step specifically:
Remove the moisture that long fiber fraction is extra after classification is handled, the water circulation use of removing；
Long fibre maturation process step specifically:
Long fibre is subjected to heating and softening processing；
Long fibre refining step specifically:
Defibrination process is carried out to the material after curing；
Long fibre produces corrugated paper step are as follows:
Corrugated paper is produced using the long fibre after defibrination；Drying cylinder condensed water in production process of corrugated paper is that clean steam is cold
Condensate collects and is used for fermentation system；
Fiber concentration step fine crushing specifically:
Remove the moisture that fibre fractionation fine crushing is extra after classification is handled, the water circulation use of removing；
Fiber enzymatic hydrolysis and fermentation distillation production cellulosic ethanol fine crushing, the wort sludge material that gives up produce granular fuel step specifically:
Fibre fractionation fine crushing after concentration is digested, is fermented, distilling production cellulosic ethanol, and useless wort sludge material can produce particle
Fuel, it can also be used to produce organic fertilizer, long fiber fraction can also be mixed for producing corrugated paper；
High-concentration waste water Anaerobic Treatment, Aerobic Process for Treatment, sludge condensation, water seal closed loop, marsh gas purifying are natural gas, canebreak
Produce organic fertilizer step specifically:
Hc effluent carries out Anaerobic Treatment, and producing biogas and purifying is natural gas；Waste water after Anaerobic Treatment, using aerobic
It handles, is recycled together with density wastewater low with part in system inner sealing；The thickened sludge of Anaerobic Treatment and Aerobic Process for Treatment, air bearing
Canebreak, useless wort sludge material also can be used in dross, produces organic fertilizer for mixed fermentation.
3. utilizing the method for stalk production biomass fuel, corrugated paper, organic fertilizer as claimed in claim 2, it is characterised in that:
In straw cutting step, stalk material shearing length 20-40mm, 85% or more qualification rate；
In water film dedusting step, use washing water of the extracting washing desanding step cycle after as shower water, water temperature 40-70
℃；Shower water is recycled, until COD reaches 3000mg/L or more, send water treatment system and multi-stage countercurrent washing water, useless mash
Equal hc effluents mixing adjusts COD value, enters back into anaerobic system；
In extracting washing desanding step, wash time 5-90min washs 60-100 DEG C of water temperature, washing material content 2-15%；It washes
Water recycling is washed, COD send Water Membrane Dedusting System to 2500mg/L or more is reached, uses as shower water；Reach 3000mg/L
More than, it send water treatment system to mix with hc effluent, enters back into anaerobic system；
In continuously cooking hydrolysing step, stalk material feeds mass dryness fraction 40-50%, boiling material-water ratio 1:1-4, boiling temperature 143-191
DEG C, cooking pressure 0.3-1.2Mpa, digestion time 20-60min directly spurt, and spurt frequency 10-16 times/min, spray every time
Duration 0.05-1 seconds, material concentration 15-40%, pH value 2.0-5.0 are spurted, chemicals is not added in boiling hydrolytic process；
It spurts in receiving step, receives material concentration 15-40%；
In multi-stage countercurrent washing step, dehydration equipment inlet feed concentration dilution to 3-15%, exit concentration 15-35%, using 2 grades
The above countercurrent washing regime, washing water COD reach 25000-90000mg/l, and water treatment system is sent to mix with low density wastewater, then into
Anaerobic system produces biogas；
In high consistency refining step, using 1 grade or more high consistency refining of connecting, defibrination input concentration 25-35%, defibrination temperature 90-95
DEG C, lime powder is added in defibrination beating degree 25-35oSR, defibrination machine inlet, adjusts outlet ph value to ph4.8-6.0；
In fiber classification processing step, input concentration 1.0-3.5%；Long fiber fraction pulp concentration 1-6%；Fiber pulp fine crushing
Concentration 0.5-3.5%；Long fibre is classified processing ratio 0%-100%, and fiber classification fine crushing handles ratio 100%-0%；100% as length
Fiber is in use, be completely used for production corrugated paper；100% produces as fiber fine crushing in use, being completely used for enzymatic hydrolysis and fermentation distillation
Cellulosic ethanol；
In long fibre concentration step, concentration is concentrated into 25-35% by 1-6% dehydration；
In long fibre maturation process step, material concentration 25-35%, 95-100 DEG C of curing temperature, time 30-90min；
In long fibre refining step, refining concentration 4-35%, defibrination beating degree 26-32oSR；The import of fiberizer is added before curing
Lime powder adjusts fiberizer and exports ph value to ph6.5-7.5.
4. the method according to claim 2 using stalk production biomass fuel, corrugated paper, organic fertilizer, feature exist
In: in the fiber concentration step fine crushing, concentration is concentrated into 15-40% by 0.5-3.5% dehydration；
It is fine crushing in the fiber enzymatic hydrolysis and fermentation fine crushing distillation production cellulosic ethanol and useless wort sludge material production granular fuel step
Fiber digests dry matter content 15-40%；It distills useless mash COD and reaches 35000-60000mg/l, send anaerobic system；Distill useless wine with dregs
Slag charge can be used for producing granular fuel, organic fertilizer, incorporation long fiber fraction production corrugated paper.
5. the method according to claim 2 using stalk production biomass fuel, corrugated paper, organic fertilizer, feature exist
In: the high-concentration waste water Anaerobic Treatment, Aerobic Process for Treatment, sludge condensation, water seal closed loop, marsh gas purifying are natural gas, plant
Object clast produces in organic fertilizer step, and water film dedusting circulated sprinkling water and stalk extracting washing water are after being separated by solid-liquid separation, washing
Water mixes with the multi-stage countercurrent washing water of high concentration and the useless mash of distillation and adjusts COD value, produces biogas into Anaerobic Treatment and purifies
For natural gas；Aerobic sludge, air-flotation scum, useless wort sludge material can also be added in the canebreak that filters out and anaerobism, for producing
Organic fertilizer；Waste water after Anaerobic Treatment, using Aerobic Process for Treatment, after COD reaches 300mg/L hereinafter, mixing with low density wastewater,
It is recycled in system inner sealing；Wherein fermentation mainly uses drying cylinder condensed water and supplement fresh water with water, and system water is whole
By magnetization treatment, magnetic field strength 4000-9000GS；Water flow passes through the time 0.5-10 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440029.4A CN110129380A (en) | 2019-05-24 | 2019-05-24 | Utilize the method for stalk production biomass fuel, corrugated paper, organic fertilizer |
Applications Claiming Priority (1)
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| CN112900131A (en) * | 2021-01-17 | 2021-06-04 | 江苏宇航板业有限公司 | Production process of high-performance paper pulp |
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| CN110886118A (en) * | 2019-12-05 | 2020-03-17 | 吴学军 | Method for separating lignin from papermaking straw |
| CN111996827A (en) * | 2020-09-03 | 2020-11-27 | 大禾(上海)环保科技有限公司 | Fulvic acid activity improving method for co-producing high-strength corrugated paper pulp |
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| CN113502674A (en) * | 2021-06-18 | 2021-10-15 | 辽宁禾芯环保科技有限公司 | Straw fiber dissociation agent and dry method straw fiber manufacturing method |
| CN113846504A (en) * | 2021-07-15 | 2021-12-28 | 齐鲁工业大学 | Method for preparing primary-color biomechanical pulp by treating reed with biological enzyme and fully utilizing byproducts |
| CN115029401A (en) * | 2022-06-23 | 2022-09-09 | 蚌埠星河秸秆生物科技有限公司 | Method for co-production of fulvic acid organic fertilizer by straw sugar production |
| CN115787331A (en) * | 2022-12-19 | 2023-03-14 | 江西省长盛农业发展有限公司 | Preparation method of full straw biochemical mechanical pulp |
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