CN102524933B

CN102524933B - A kind of reconstituted tobacco flat turn type is continuously washed, is extracted, digesting combination, coupling chemical industry skill and equipment

Info

Publication number: CN102524933B
Application number: CN201210008208.9A
Authority: CN
Inventors: 孙先玉; 孙博
Original assignee: Institute of Chemical Industry of Forest Products of CAF
Current assignee: Institute of Chemical Industry of Forest Products of CAF
Priority date: 2012-01-12
Filing date: 2012-01-12
Publication date: 2019-06-25
Anticipated expiration: 2032-01-12
Also published as: CN102524933A

Abstract

The present invention relates to a kind of reconstituted tobacco flat turn types continuously to wash, extract, digests combination, coupling chemical industry skill and equipment, in particular with low, the abandoned tobacco raw material that cannot be directly used to cigarette products production, is continuously washed, extracted using a kind of reconstituted tobacco flat turn type, digesting continuous feed liquor, charging, washing, pre-soaking, extraction, enzymatic hydrolysis, drain, separation of solid and liquid discharging operation that combination, coupling chemical industry skill and equipment realize offal material or tobacco leaf fragment.This technique is compared with existing production technology, reconstituted tobacco offal material may be implemented, the combination of tobacco fragment material, couplingization continuous charging, feed liquor, washing, pre-soaking, extraction, enzymatic hydrolysis, drain, the operation such as separation of solid and liquid, this save traditional handicraft interval, the extraction of two to three heavy steps, it is separated by solid-liquid separation operation, technique and its equipment, simplify reconstituted tobacco production technology, equipment, operation and process, and this process does not generate reconstituted tobacco production waste water, sewage, environmental protection, low-carbon, energy conservation, it is advantageously implemented the combination of reconstituted tobacco modularization formulation product, chemical industry skill is coupled to apply and production.

Description

A kind of reconstituted tobacco flat turn type is continuously washed, is extracted, digesting combination, coupling chemical industry skill With equipment

Technical field:

The present invention relates to a kind of reconstituted tobacco flat turn types continuously to wash, extract, digests combination, coupling chemical industry skill and equipment, Belong to reconstituted tobacco processing technique field.

Background technique:

Papermaking-method reconstituted tobaccos are using low, the abandoned tobacco raw material that cannot be directly used to cigarette products, by extracting, making Slurry, substrate manufacture paper with pulp, be coated with, drying, cutting, the techniques such as flavoring and be made.

Reconstituted tobacco originates from the 1950s.The beginning of the fifties, AM General machines corporation developed roll-in reconstruction cigarette Leaf.The end of the fifties, the U.S. took the lead in developing papermaking-method reconstituted tobaccos, subsequent paper process according to the principle combination Chemical Engineering Technology of papermaking Reconstituted tobacoo has obtained rapid popularization and application in American-European countries and countries in the world production of cigarettes.Most of tobaccos are public in the world Department, the especially tobacco company of US and European, including Philips Molex Inc. and British American Tobacco all use papermaking Method produces reconstituted tobacco.Austrian papermaking-method reconstituted tobaccos are also referred to as a step papermaking-method reconstituted tobaccos.

The production of the reconstituted tobacco in China is started late.The mid-1970s country establishes a collection of rod platen press reconstituted tobacco Manufacturer or workshop.Nineteen eighty-two completes the development and trial production of first tobacco leaf reproduced by means of rolling 90kg/h production line.1993 Year~introduction Liao Liangtiao Switzerland " TMCI " company thick slurry method reconstituted tobacco production line in 1994.The twentieth century beginning of the eighties to 80 years For mid-term, several enterprises attempt exploitation papermaking-method reconstituted tobaccos production technology equipment.

The primary raw material of production reconstituted tobacco is tobacco waste and broken offal and its stalk label, stalk end.Compared with Tobacco Leaves, offal Substance contains the compound of the macromolecules such as cellulose, hemicellulose, lignin, and smoke is thin, and nicotine content is low, miscellaneous gas, Xylon gas' weight, flue gas is coarse, and total reducing sugar, the nicotine of reconstituted tobacco are all lower, and protein content is higher, adds again in process A large amount of adhesive is added, therefore, reconstituted tobacco has biggish irritation, miscellaneous gas and xylon gas when burning and sucking, and strength is small, bitter Peppery stagnant tongue, pleasant impression owe comfortable.

China's tobacco business generallys use extract of the water as solvent extraction tobacco, since the ingredient to extraction does not select It is insufficient, thick to also result in suction taste wherein containing some substances for being unsuitable for cigarette odor-absorbing while increasing cigarette perfume for the separation of selecting property The side effects such as rough sense and dry sensation increase, cause cigarette quality to decline.As it can be seen that the control to tobacco reconstituted tobacco chemical component, Actually to the control of the basis of tobacco extract coating fluid.That is, tobacco extract this Studies of The Aromatic Substances component It extracts and its technique is particularly important.

Chloride ion is typically considered the unfavorable ingredient of chlorine in tobacco leaf.Its content is higher in reconstituted tobacco will seriously affect The flammability of tobacco leaf, and then influence fragrance and smoking quality and its safety of cigarette.The concentration of chlorine in tobacco leaf determines cigarette The production quantity of chloralkane in gas.Chloromethane is considered as a kind of suspicious animal carcinogenic substance.Generally take ion-exchange The chloride ion in tobacco extract can be removed, but because of extracting solution complicated component, treating capacity is again big, needs to be diluted with a large amount of water Extract, while immense pressure is produced to subsequent concentration, and the regeneration period of resin is excessively frequent, causes cost violent Increase.

Reconstituted tobacco technology is one of the core technology of Modern cigarette industry industry, and reconstituted tobacco functional material chemical constituent weight Group, assembling and the empty technology of tune are the core of core technology again.Papermaking-method reconstituted tobaccos are right with its distinctive performance and fine quality Improve cigarette product structure, improve tobacco leaf effective rate of utilization, cuts down the consumption of raw materials and reduce cigarette finished product tar content, production peace Holotype cigarette improves cigarette flavor, smell, improves cigarette product class, reduces product cost, improves cigarette product market competition Ability and Business Economic Benefit are that other reconstituted tobaccos are incomparable.

In view of reconstituted tobacco technique to the control of soluble component, chemical component in tobacco i.e. to the basis of coating fluid Control problem, the present invention passes through with tobacco leaf obtained or offal extraction or extracting solution or tobacco leaf, offal mixing extraction or extracting solution Cross the chemical constituent conversion of its chemical kitchen, UF membrane or the modularizations such as concentration or post separation preparation process and selective conversion Or certain components or group in reduction or removing tobacco leaf, offal extraction or extracting solution or tobacco leaf, offal extraction or extraction mixed liquor Divide group, such as modularization converts or reduces or removes tobacco leaf, offal extraction or extracting solution or tobacco leaf, offal mix extraction or extracting solution In protein, pectin, chlorine, nicotine, nitrous amine salt, nitrate etc., and then realize reconstituted tobacco coating fluid chemical constituent or Compatibility, recombination or the assembling and regulation of component group and the quality for subtracting burnt drop evil and raising reconstituted tobacco.

The present invention provides a kind of reconstituted tobacco flat turn types continuously to wash, extracts, digests combination, coupling chemical industry skill and set It is standby, the technology content and level, product variety and class of China's reconstituted tobacco intensive processing are improved, renewable resource is improved The synthesis of tobacco waste resource, Processes For Effective Conversion meet the increase of the market demand and economic benefit.

A kind of reconstituted tobacco flat turn type of the present invention is continuously washed, is extracted, digesting combination, coupling chemical industry skill and set It is standby, it is former using a kind of reconstituted tobacco tobacco in particular with low, the abandoned tobacco raw material that cannot be directly used to cigarette products production Material flat turn type continuously wash, extract, digest combination, couple chemical industry skill and equipment realization offal material or tobacco leaf fragment it is continuous into Liquid, washing, pre-soaking, extraction, enzymatic hydrolysis, drain, is separated by solid-liquid separation discharging operation at charging.This technique compared with existing production technology, Reconstituted tobacco offal material, the combination of tobacco fragment material, couplingization continuous charging, feed liquor, washing, pre-soaking, extraction, enzyme may be implemented The operation such as solution, drain, separation of solid and liquid this saves traditional handicraft interval, the extraction of two to three heavy steps, separation of solid and liquid behaviour Work, technique and its equipment, simplify reconstituted tobacco production technology, equipment, operation and process, and this process does not generate reconstruction Tobacco production waste water, sewage, environmental protection, low-carbon, energy conservation are advantageously implemented the modularization technique of reconstituted tobacco modularization formulation product Production application, and then realize the integrated and innovation of the combination of reconstituted tobacco leaching liquor, couplingization industrialization processing technology.

The integrated and innovation that reconstituted tobacco leaching liquor processing technology is effectively realized with combination, couplingization technology is a height Results new technology.

Basic principle of the invention:

Papermaking-method reconstituted tobaccos are to utilize low, the abandoned tobacco that cannot be directly used to cigarette products using paper process principle Raw material, manufacture paper with pulp, be coated with by extraction, slurrying, substrate, drying, cutting, the techniques such as flavoring and be made.Reconstituted tobacco flat turn type connects The mass transfer diffusion principle that the principle of continuous extraction is extracted based on tobacco material.It is continuous using a kind of reconstituted tobacco tobacco material flat turn type Washing, extraction, enzymatic hydrolysis combination, coupling chemical industry skill and equipment realize the continuous feed liquor of offal material or tobacco leaf fragment, charging, washing, Pre-soaking, enzymatic hydrolysis, drain, is separated by solid-liquid separation discharging operation at extraction.

Chlorine, dust in tobacco have flame retardant efficiency, are harmful elements, influence the burning of tobacco.Chlorine, ash in offal Dust content is higher, and is mainly distributed on offal material epidermis portion, can remove most of chlorine by the stalk technique of washing before stalk material extraction Ion, dust.

In offal, tobacco leaf fragment material leaching process by addition auxiliary agent protease or compound protease, cellulase or Neutral cellulase, zytase, pectase or compound pectinase, amylase or composite alpha-amylase, carbohydrase, lignoenzyme etc. It is raw that the enzymatic treatment of the components such as partially protein, pectin, cellulose, starch and component group substance in offal material may be implemented in enzyme preparation Change conversion.This can be effectively reduced the components such as protein, pectin, cellulose, starch in offal material and component group substance Content improves the miscellaneous gas of reconstituted tobacco product and pleasant impression, improves the quality of reconstituted tobacco, as protease can effectively convert offal leaching The protein being dissolved in extract, soluble sugar reduce, and acid ingredient increases, and protein and amino acid are converted, sugar/alkali Than tending to more rationally with sugar/nitrogen ratio；Cellulase can effectively convert the cellulose being dissolved in offal leaching liquor, increase solvable Property sugar；Pectase can effectively convert the pectin being dissolved in offal leaching liquor, and amino acid is converted, these small molecules turn Compound matter is all conducive to the raising of reconstituted tobacco quality；It can obviously be gone using lignin degradation microorganism and lignin-degrading enzymes Except the xylon gas of offal, irritation, Filling power, this can satisfy the addition requirement of medium-to-high grade cigarette.

Summary of the invention:

1, a kind of reconstituted tobacco flat turn type is continuously washed, is extracted, digesting combination, coupling chemical industry skill and equipment, especially sharp With low, the abandoned tobacco raw material that cannot be directly used to cigarette products production, is continuously washed, soaked using a kind of reconstituted tobacco flat turn type Mention, digest combination, coupling chemical industry skill and equipment realize the continuous charging of offal material or tobacco leaf fragment, feed liquor, washing, pre-soaking, Extraction, drain, is separated by solid-liquid separation discharging operation at enzymatic hydrolysis.Reconstituted tobacco offal may be implemented compared with existing production technology in this technique The behaviour such as material, the combination of tobacco fragment material, couplingization continuous charging, feed liquor, washing, pre-soaking, extraction, enzymatic hydrolysis, drain, separation of solid and liquid Make, this saves traditional handicraft interval, the extraction of two to three heavy steps, separation of solid and liquid operation, technique and its equipment, simplify Reconstituted tobacco production technology, equipment, operation and process, and this process do not generate reconstituted tobacco production waste water, sewage, ring Guarantor, low-carbon, energy conservation are advantageously implemented the modularization technique production application of reconstituted tobacco modularization formulation product.It is characterized in that The following steps are included:

The first step, raw material composition: by reconstituted tobacco target product technique requirement compatibility raw material, by offal mixture and tobacco leaf Fragment mixture composition.Offal mixture can be made of mixings such as short stalk, offals；Tobacco leaf fragment mixture can be broken by tobacco leaf The mixings such as piece, offal, cigarette stick crushed material composition.Offal mixture: tobacco leaf fragment mixture=3~5: 7~5.Moisture content of the raw material 8%~15%.

Washing, pre-soaking, extraction, the enzymatic hydrolysis combination, couplingization preparation process of offal material: second step presses reconstituted tobacco mesh Product Process requirement is marked, is measured, the offal mixture of compatibility is washed, pre-soaking, extraction, enzymatic hydrolysis, feed liquid separation.Wash stalk It is intended to dechlorination, dedusting, except part NO3-N and NO2-N.It washes stalk material technology controlling and process: washing stalk solvent: soft water, wash stalk water temperature: 30 ~40 DEG C, washing time 30~50 seconds；Extracting technology is continuously extracted using flat turn type, extraction solvent be soft water or deionized water or 10%~80% methanol or 10%~80% ethanol water soft water, 1: 4~8, extraction temperature controls the control of extraction solid-to-liquid ratio At 50~90 DEG C, extraction time 8~12 hours, liquid coefficient 4~5 out；(by total feed, single tank drain meter or press combined feed Amount, total drain meter), spraying intensity 150kg/m².min, the extraction of head step offal, enzymolysis liquid total solid content 4%, Baume degrees are 3~5 ° of Be ', total solid substance soluble matter extract content >=85%, total solid substance feeding quantity sucrose extraction 20%~35%, offal material moisture content 15.75%~17.23%, 16.29% is taken, bulk density 302kg/m³, offal material water absorption rate 79%；Offal bed depth≤890mm； The additional amount for digesting enzyme preparation is the 0.05%~5% of tobacco stalk quality, and 20~70 DEG C of hydrolysis temperature, enzymolysis time is 1~15h, The pH value of enzymatic hydrolysis is 3~7, and pH value can be adjusted by the way that citric acid etc. is added, 10~60rmp of mixing speed.Protease enzyme Additive amount 0.1%~2% is solved, hydrolysis temperature is 50~60 DEG C, pH value 3.0~5.5；Cellulase degradation additive amount 0.5%~ 2%, pH value 4.0~5.5,45~50 DEG C of hydrolysis temperature；Pectase controlled enzymatic hydrolysis additive amount 0.5%~2%, pH value 3.5~ 5.5, hydrolysis temperature is 50~60 DEG C.After extracting, having digested, the continuous solid-liquid of flat turn type point of offal extraction, enzymatic hydrolysis feed liquid is carried out From.Washing, pre-soaking, extraction, enzymatic hydrolysis combination, the couplingization operation of offal material continuously wash stalk, extraction, enzymatic hydrolysis in flat turn type together It is completed in combination, coupler.The continuous phase analysis of thus obtained offal material flat turn type send defibering, defibrination process, and is connected by flat turn type Continue and washes stalk, extraction, the extraction that enzymatic hydrolysis combines, coupler is isolated, enzymolysis liquid by plate compression or centrifugal sedimentation separation or sink After drop separation or tubular filter separation and its combination of the above purification process, it can individually be concentrated or be soaked with tobacco leaf fragment It mentions, digest refined liquid mixing concentration.Extraction, enzymolysis liquid containing 10%~80% methanol or 10%~80% ethyl alcohol soft water solution Concentration, it is necessary first to first recycle methanol or ethyl alcohol, be then concentrated under reduced pressure again.Final concentrate Baume degrees is 25~30 ° of Be ', Total solid content 40%~50%.Concentrator can be using liter film or falling liquid film or short tube decompression evaporator, vacuum degree 0.090 ~0.095MPa.

Third step, reconstituted tobacco offal material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler:

Its basic structure composition: material turns round lattice 20 (20 × 18 °=360 °)；Wash stalk solution lattice 1 (2 × 18 °= 36 °), extraction, enzymatic hydrolysis solution lattice 8 (13 × 18 °=234 °), extraction, enzymatic hydrolysis solution drip-dry, extraction solvent liquid feeding lattice 1 (2 × 18 °=36 °), deslagging discharges lattice 1 (2 × 18 °=36 °).

20 dynamic materials turn round lattice function division are as follows: stalk, spray extraction enzymatic hydrolysis, drip-dry, four functions of slagging tap are washed in charging Zoning.I.e. 2 × 18 ° (feed, wash stalk)+14 × 18 ° (extraction, enzymatic hydrolysis)+2 × 18 ° of (drip-dry)+2 × 18 ° of lattice of (slagging tap)=20.

And 20 quiescent solutions, out slag charge lattice function division are as follows: wash stalk solution, spray extraction enzymatic hydrolysis, drip-dry solvent, slag tap Four function zonings.I.e. 2 × 18 ° (feed, wash stalk)+14 × 18 °+2 × 18 ° of (extraction, enzymatic hydrolysis)+2 × 18 ° of (drip-dry) (slagging tap) =20 lattice.

Consider that the corresponding relationship that the materials revolution lattice such as stalk, extraction enzymatic hydrolysis, drip-dry are washed with charging and factor can be by solution lattice It is divided into: 2 × 18 ° of the 1st liquid zone Qu Gewei Xi Geng (stalk lattice region is washed in corresponding charging)=1 lattice (36 °/lattice) can be set；2nd area's lattice For spray classification extraction, 14 × 18 ° of enzymatic hydrolysis area (spray extraction, enzymatic hydrolysis lattice region)=9 lattice (28 °/lattice) can be divided equally；Third area Lattice are extraction, enzymolysis liquid drip-dry, 2 × 18 ° of extraction solvent liquid feeding area (drip-dry, extraction solvent liquid feeding lattice region)=can set 1 lattice (36 °/lattice).

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Deslagging discharging lattice account for two equal portions material lattice: 2 × 18 °.

Rotational material lattice extract 12~16 hours offal gyration periods/circle, practical 14 × 18 ° of lattice number of spray, therefore reality extracts Time=14 × (12~16)/20=(8.4~11.2) hour.

Reconstituted tobacco offal material flat turn type is continuously washed, is extracted, digesting combination, coupler rotational material lattice, solution lattice technique Size can choose are as follows: rotational material lattice: d2000~D6100 × 1400 (20 lattice) solution lattice: d1800~D6100 × 1800 (11 Lattice)

Spray pump selection submerged pump, material 1cr18ni9Ti, quantity 9~11 (extraction)+1 (turning liquid), lift 10m, Flow 9m³/hr；The explosion-proof 4 grades of motor of adapted 1.1kw, 1380 turns/min.

Reconstituted tobacco offal material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler configuration ancillary equipment have extraction Solvent head tank, charging discharging, slags tap and closes auger, the extraction of head step, enzymolysis liquid combination filter, head at extraction solvent preheater Step liquid storage tank, head step liquid delivery pump, reconstituted tobacco offal material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler returned cold Condenser, drag conveyor etc..

Tobacco leaf fragment pre-soaking, extraction, enzymatic hydrolysis combination, couplingization preparation process: 4th step presses reconstituted tobacco target product Technique requirement, the tobacco leaf fragment mixture through metering, compatibility carry out pre-soaking, extraction, enzymatic hydrolysis, feed liquid separation.Presoak, extract, Enzymolysis process is continuously presoaked using flat turn type, is extracted and enzymatic hydrolysis.Extraction solvent is soft water or deionized water or 10~80% methanol Or 10~80 ethanol water soft water, pre-soaking solid-to-liquid ratio 1: 3~5, the control of pre-soaking temperature is at 40~60 DEG C, the pre-soaking time 20~30min；Solid-to-liquid ratio control is extracted 1: 5~10, extraction temperature is controlled at 60~90 DEG C, extraction time 7~10 hours, out Liquid coefficient 4~5；(by total feed, single tank drain meter or pressing total feed, total drain meter), spraying intensity 150kg/ m².min, the extraction of head step tobacco leaf fragment, enzymolysis liquid total solid content 4%, Baume degrees are 3~5 ° of Be ', the extracting of total solid substance soluble matter Rate >=90%, total solid substance feeding quantity sucrose extraction 20%~35%, tobacco leaf powder moisture content is based on 17.58%；Loose bulk density 249.6~ 396kg/m³, jolt ramming, which is held, expects 280~472.8kg/m³, tobacco material water absorption rate 71%；Tobacco leaf bed depth≤890mm；The enzyme system of enzymatic hydrolysis The additional amount of agent is the 0.05%~5% of tobacco leaf fragment quality, and 20~70 DEG C of hydrolysis temperature, enzymolysis time is 1~16h, enzymatic hydrolysis PH value be 3~7, pH value can be adjusted by the way that citric acid etc. is added, 10~60rmp of mixing speed.Protease hydrolyzed adds Dosage 0.1%~2%, hydrolysis temperature are 50~60 DEG C, pH value 3.0~5.5；Cellulase degradation additive amount 0.5%~2%, PH value 4.0~5.5,45~50 DEG C of hydrolysis temperature；Pectase controlled enzymatic hydrolysis additive amount 0.5%~2%, pH value 3.5~5.5, Hydrolysis temperature is 50~60 DEG C.After extracting, having digested, offal extraction is carried out, the flat turn type of enzymatic hydrolysis feed liquid is continuously separated by solid-liquid separation.Cigarette The preimpregnation of leaf fragment material, extraction, enzymatic hydrolysis combination, couplingization, which operate, continuously to be presoaked in flat turn type together, extracts, digesting combination, coupling It is completed in clutch.The thus obtained continuous phase analysis of tobacco leaf fragment flat turn type send defibrination process to mix defibrination with offal phase analysis, and by Flat turn type is continuously presoaked, is extracted, digesting combination, the extraction that coupler is isolated, enzymolysis liquid by plate compression or centrifugal sedimentation After separation or sedimentation separation or tubular filter separation and its combination of the above purification process, can individually it be concentrated or and cigarette The extraction of stalk material, enzymatic hydrolysis refined liquid mixing concentration.Extraction, enzyme containing 10%~80% methanol or 10%~80 ethyl alcohol soft water solution Solve the concentration of liquid, it is necessary first to first recycle methanol or ethyl alcohol, then be concentrated under reduced pressure again.Final concentrate Baume degrees is 25~30 ° Be ', total solid content 40%~50%.Concentrator can use liter film or falling liquid film or short tube decompression evaporator, vacuum degree be 0.090~0.095MPa.

5th step, reconstituted tobacco tobacco leaf fragment material flat turn type are continuously presoaked, are extracted, digesting combination, coupler:

Its basic structure composition: material turns round lattice 20 (20 × 18 °=360 °)；Charging, predip solution lattice 1 (2 × 18 °=36 °), extraction, enzymatic hydrolysis solution lattice 8 (13 × 18 °=270 °), extraction, enzymatic hydrolysis solution drip-dry, extraction solvent liquid feeding lattice 1 A (3 × 18 °=54 °), deslagging discharge lattice 1 (2 × 18 °=36 °).

20 dynamic tobacco leaf fragment material turn round lattice function division are as follows: charging preimpregnation, spray extraction, drip-dry, four function of slagging tap It can zoning.I.e. 2 × 18 ° (charging+preimpregnation)+3 × 18 ° of+13 × 18 ° (extraction+enzymatic hydrolysis)+2 × 18 ° of (drip-dry+solvent) (slagging tap) =20 lattice.

And 20 quiescent solutions, out slag charge lattice function division are as follows: charging preimpregnation, spray extraction digest, drip-dry solvent, slag tap Four function zonings.I.e. 2 × 18 ° (charging, preimpregnation)+13 × 18 °+3 × 18 ° of (extraction, enzymatic hydrolysis) (drip-dry, solvent)+2 × 18 ° The lattice of (slagging tap)=20.

Consider solution lattice can be divided into the corresponding relationship of the materials such as charging, extraction, drip-dry revolution lattice and factor: the 1st Area's lattice are that head walks 4 × 18 ° of liquid zone (corresponding charging, preimpregnation and the first extraction lattice region)=can set 2 lattice (36 °/lattice)；2nd area Lattice are spray classification extraction, digest 10 × 18 ° of area's (spraying extraction, enzymatic hydrolysis lattice region)=can divide 8 lattice (22.5 °/lattice) equally；The Three area's lattice are extraction, enzymolysis liquid drip-dry, 3 × 18 ° of extraction solvent liquid feeding area (drip-dry, extraction solvent liquid feeding lattice region)=can put down Divide 2 lattice (27 °/lattice).

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Rotational material lattice extract 12~18 hours tobacco leaf fragment gyration periods/circle, and practical spray extraction lattice number is 10~12 lattice, Therefore practical extraction time=(10~12) × (12~18)/20=(6~9)~(7.2~10.8) hour.As appropriate increase is arranged It applies, extraction time can be increased.One step of leaching is proposed as head step liquid can set preimpregnation, is thus increased extraction time 0.6~1.2 hour.

Reconstituted tobacco tobacco leaf fragment material flat turn type is continuously washed, is extracted, digesting combination, coupler rotational material lattice, solution lattice Process can choose are as follows: rotational material lattice: d2000~D7000 × 1400 (20 lattice)；Solution lattice: d1800~D7100 × 1800 (12 lattice).

Reconstituted tobacco tobacco leaf fragment material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler configuration ancillary equipment have Extraction solvent head tank, charging discharging, slags tap and closes auger, the extraction of head step, enzymolysis liquid combination filtering at extraction solvent preheater Device, head step liquid storage tank, head step liquid delivery pump, reconstituted tobacco tobacco leaf fragment material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupling Clutch reflux condenser, drag conveyor etc..

6th step, defibering and defibrination

The purpose of offal defibering is intended to make to be impregnated offal wire-dividing broom purification, the cutting, conquassation, distortion that heated profit rises, softens, Make offal crude fibre.After the completion of stalk material impregnates, that is, carry out the defibering operation for impregnating raw material.Beating degree after stalk material defibering are as follows: 10~15 ° of SR.

Stalk material after defibering is uniformly mixed with soaked tobacco leaf fragment, is carried out the highly concentrated mill defibrination of level-one and is extracted, defibrination is dense Degree: 16%~20%, beating degree: 20%~24%；

Defibrination feed liquid after the highly concentrated mill defibrination of level-one extracts, series hybrid carry out second of defibrination operation, and second level is high Dense mill refining concentration control exists: 12%~16%, beating degree: 25%~29%；

Second level mixer mill slurry liquid goes out to grind through inclined screw press master or flat spin press master or horizontal spiral separator first separation Slurries and defibrination material.Filtrate crosses 100~120 mesh screens or filter cloth, can also be used as and extracts offal, cigarette broken extraction or extraction Solvent recovery uses.

The mixing refining concentration designed after raw material soaking is 20%~25%.Mixing refining concentration can control 25%~ In the range of 12%, insufficient water, which can supplement, is added subsequent pulp washing process water.

Moisture content of the raw material is 8%~15%, and the moisture content 12% of raw material is taken to calculate.

Defibering uses defibering technique and its equipment；Defibrination uses high consistency refining technique and its equipment.

7th step, storage slurry, with slurry, refining after defibrination pulp washing

The purpose of storage slurry is further intended to make slurry mixture uniformly, and then the moisture content and beating degree of equlibrated slurry.

Wood pulp cellulose additional amount 5%~10%；

Wet pulp concentration is generally in 15%~25% (mass dryness fraction).

Storage slurry concentration control about 8%~12% after defibrination pulp washing, taking 10% is calculated value.

Slurry concentration control with slurry is 3.5%.

The solid material separated from extracter is sent in beater to be beaten again, and it is 10 millis that average length, which is made, Rice, sectional area 1.3mm²Fibre stuff.Being then sent through in jordan makes fiber be made fine, and will be starched with the recycle-water of paper machine Material is diluted to 1% concentration, then is sent in the batcher of paper machine with pump.

Refining beating degree is controlled in 27 ± 2 ° of SR, slurry concentration 3.5%.

2.5%, refining pulp concentration is controlled 0.8%~1.0% for refining storage slurry concentration control.

8th step, recombination

Slurry is sent to after batcher and web (chip base) is made with fourdrinier paper machine, by the vacuum dehydration at paper machine rear portion Device makes the water content 90% or so of chip base.Water content drops to 70% or so after roll-in, then passes through drying cylinder and does Dry roller drying makes water content be reduced to 30%.At this moment chip base is arrived into concentrate dip-coating (or returning spray) with the method for dip-coating or spraying On, at this moment the moisture content of chip base is about 45%.It is used in most of about 80% recycling of water that paper machine filters out on the net, remaining 20% moisture discharges after sewage treatment.

Substrate controls moisture 16%~18%, and substrate quantifies 65 ± 2g/m²。

9th step, substrate coating

Substrate coating fluid total solid substance concentration 40%~50%, substrate coating fluid quantifies 38~40~45g/m²；Chip moisture 16%~18%, thin slice quantifies 105~110g/m²。

Tenth step, it is dry in blocks

Wet reconstituted tobacoo is admitted to the hot air tunnel formula drying machine specially designed, and in exit, the moisture content of thin slice is 17% ~20%.Then threshing machine is used, thin slice is shredded into unsetting fragment, being re-fed into a cylindrical drier makes containing for thin slice Water rate reaches 10%~15%, thereafter according to needing that a flavoring cylinder can be set, carries out flavoring to thin slice.

Detailed description of the invention:

Fig. 1 is the flow chart of reconstituted tobacco embodiment of the present invention.

Fig. 2 is that reconstituted tobacco flat turn type of the present invention is continuously washed, extracted, digesting combination, coupler.

Specific embodiment:

Embodiment 1:

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Tobacco leaf fragment pre-soaking, extraction, enzymatic hydrolysis combination, couplingization preparation process: 4th step presses reconstituted tobacco target product Technique requirement, the tobacco leaf fragment mixture through metering, compatibility carry out pre-soaking, extraction, enzymatic hydrolysis, feed liquid separation.Presoak, extract, Enzymolysis process is continuously presoaked using flat turn type, is extracted and enzymatic hydrolysis.Extraction solvent is soft water or deionized water or 10%~80% first Alcohol or 10%~80% ethanol water soft water, pre-soaking solid-to-liquid ratio 1: 3~5, pre-soaking temperature control the preimpregnation at 40~60 DEG C Steep 20~30min of time；Solid-to-liquid ratio control is extracted 1: 5~10, extraction temperature control is at 60~90 DEG C, extraction time 7~10 Hour, liquid coefficient 4~5 out；(by total feed, single tank drain meter or pressing total feed, total drain meter), spraying intensity 150kg/m².min, the extraction of head step tobacco leaf fragment, enzymolysis liquid total solid content 4%, Baume degrees is 3~5 ° of Be ', and total solid substance is solvable Object extract content >=90%, total solid substance feeding quantity sucrose extraction 20%~35%, tobacco leaf powder moisture content is based on 17.58%；Loose bulk density 249.6~396kg/m³, jolt ramming, which is held, expects 280~472.8kg/m³, tobacco material water absorption rate 71%；Tobacco leaf bed depth≤890mm； Digest enzyme preparation additional amount be tobacco leaf fragment quality 0.05%~5%, 20~70 DEG C of hydrolysis temperature, enzymolysis time be 1~ 16h, the pH value of enzymatic hydrolysis are 3~7, and pH value can be adjusted by the way that citric acid etc. is added, 10~60rmp of mixing speed.Albumen Enzyme digests additive amount 0.1%~2%, and hydrolysis temperature is 50~60 DEG C, pH value 3.0~5.5；Cellulase degradation additive amount 0.5%~2%, pH value 4.0~5.5,45~50 DEG C of hydrolysis temperature；Pectase controlled enzymatic hydrolysis additive amount 0.5%~2%, pH value 3.5~5.5, hydrolysis temperature is 50~60 DEG C.After extracting, having digested, progress offal extraction, the flat turn type for digesting feed liquid are continuous It is separated by solid-liquid separation.The preimpregnation of tobacco leaf fragment material, extraction, enzymatic hydrolysis combination, couplingization operate continuously presoak in flat turn type, extract together, It is completed in enzymatic hydrolysis combination, coupler.The thus obtained continuous phase analysis of tobacco leaf fragment flat turn type send defibrination process and offal phase analysis mixed Defibrination is closed, and continuously presoaked, extract by flat turn type, digesting combination, the extraction that coupler is isolated, enzymolysis liquid by plate compression It, can be independent or after centrifugal sedimentation separation or sedimentation separation or tubular filter separation and its combination of the above purification process Concentration mixes concentration with the extraction of offal material, enzymatic hydrolysis refined liquid.Contain 10%~80% methanol or 10%~80% ethyl alcohol soft water The extraction of solution, the concentration of enzymolysis liquid, it is necessary first to first recycle methanol or ethyl alcohol, then be concentrated under reduced pressure again.Final concentration fluid wave U.S. degree is 25~30 ° of Be ', total solid content 40%~50%.Concentrator can be steamed using liter film or the decompression of falling liquid film or short tube Device is sent out, vacuum degree is 0.090~0.095MPa.

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

6th step, defibering and defibrination

Stalk material after defibering is uniformly mixed with soaked tobacco leaf fragment, is carried out the highly concentrated mill defibrination of level-one and is extracted, defibrination is dense Degree: 1%6~20%, beating degree: 20%~24%；

Wood pulp cellulose additional amount 5%~10%；

Wet pulp concentration is generally in 15%~25% (mass dryness fraction).

Slurry concentration control with slurry is 3.5%.

8th step, recombination

Substrate controls moisture 16%~18%, and substrate quantifies 65 ± 2g/m²。

9th step, substrate coating

Tenth step, it is dry in blocks

Embodiment 2: a kind of washing of offal material, pre-soaking, extraction, enzymatic hydrolysis combination, couplingization preparation process

Offal mixture can be made of mixings such as short stalk, offals, moisture content of the raw material 8%~15%.By reconstituted tobacco mesh Product Process requirement is marked, is measured, the offal mixture of compatibility is washed, pre-soaking, extraction, enzymatic hydrolysis, feed liquid separation.Wash stalk It is intended to dechlorination, dedusting, except part NO3-N and NO2-N.It washes stalk material technology controlling and process: washing stalk solvent: soft water, wash stalk water temperature: 30 ~40 DEG C, washing time 30~50 seconds；Extracting technology is continuously extracted using flat turn type, extraction solvent be soft water or deionized water or 10%~80% methanol or 10%~80% ethanol water soft water, 1: 4~8, extraction temperature controls the control of extraction solid-to-liquid ratio At 50~90 DEG C, extraction time 8~12 hours, liquid coefficient 4~5 out；(by total feed, single tank drain meter or press combined feed Amount, total drain meter), spraying intensity 150kg/m².min, the extraction of head step offal, enzymolysis liquid total solid content 4%, Baume degrees are 3~5 ° of Be ', total solid substance soluble matter extract content >=85%, total solid substance feeding quantity sucrose extraction 20%~35%, offal material moisture content 8%~15%, bulk density 302kg/m³, offal material water absorption rate 79%；Offal bed depth≤890mm；Digest the addition of enzyme preparation Amount is the 0.05%~5% of tobacco stalk quality, and 20~70 DEG C of hydrolysis temperature, enzymolysis time is 1~15h, and the pH value of enzymatic hydrolysis is 3~7, Its pH value can be adjusted by the way that citric acid etc. is added, 10~60rmp of mixing speed.Protease hydrolyzed additive amount 0.1%~ 2%, hydrolysis temperature is 50~60 DEG C, pH value 3.0~5.5；Cellulase degradation additive amount 0.5%~2%, pH value 4.0~ 5.5,45~50 DEG C of hydrolysis temperature；Pectase controlled enzymatic hydrolysis additive amount 0.5%~2%, pH value are in 3.5~5.5, hydrolysis temperature 50~60 DEG C.After extracting, having digested, offal extraction is carried out, the flat turn type of enzymatic hydrolysis feed liquid is continuously separated by solid-liquid separation.The water of offal material It washes, pre-soaking, extraction, enzymatic hydrolysis combination, couplingization operation continuously wash stalk, extraction in flat turn type together, digest and combine, in coupler It completes.The continuous phase analysis of thus obtained offal material flat turn type send defibering, defibrination process, and continuously washes stalk, extraction, enzyme by flat turn type Combination, the extraction that coupler is isolated, enzymolysis liquid are solved by plate compression or centrifugal sedimentation separation or sedimentation separation or tubular type mistake After filter separation and its combination of the above purification process, it can individually be concentrated or be extracted with tobacco leaf fragment, enzymatic hydrolysis refined liquid Mixing concentration.The concentration of extraction, enzymolysis liquid containing 10%~80% methanol or 10%~80% ethyl alcohol soft water solution, needs first Methanol or ethyl alcohol are first recycled, is then concentrated under reduced pressure again.Final concentrate Baume degrees is 25~30 ° of Be ', total solid content 40% ~50%.Concentrator can be using film or falling liquid film or short tube decompression evaporator be risen, and vacuum degree is 0.090~0.095MPa.

Embodiment 3: a kind of reconstituted tobacco offal material flat turn type continuously washes stalk, extraction, enzymatic hydrolysis combination, coupler

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Embodiment 4: a kind of preimpregnation of tobacco leaf fragment, extraction, enzymatic hydrolysis combination, couplingization preparation process

By reconstituted tobacco target product technique requirement, the tobacco leaf fragment mixture through metering, compatibility carries out pre-soaking, leaching It mentions, digest, feed liquid separation.Preimpregnation, extraction, enzymolysis process are continuously presoaked using flat turn type, are extracted and enzymatic hydrolysis.Extraction solvent is soft Water or deionized water or 10%~80% methanol or 10%~80% ethanol water soft water, pre-soaking solid-to-liquid ratio 1: 3~5, in advance Soaking temperature control is at 40~60 DEG C, 20~30min of pre-soaking time；Solid-to-liquid ratio control is extracted 1: 5~10, extraction temperature control It makes at 60~90 DEG C, extraction time 7~10 hours, out liquid coefficient 4~5；(by total feed, single tank drain meter or by always into Doses, total drain meter), spraying intensity 150kg/m².min, the extraction of head step tobacco leaf fragment, enzymolysis liquid total solid content 4%, wave U.S. degree is 3~5 ° of Be ', total solid substance soluble matter extract content >=90%, total solid substance feeding quantity sucrose extraction 20%~35%, tobacco leaf powder Moisture content is based on 17.58%；Loose 249.6~396kg/m of bulk density³, jolt ramming, which is held, expects 280~472.8kg/m³, tobacco material water absorption rate 71%；Tobacco leaf bed depth≤890mm；The additional amount for digesting enzyme preparation is the 0.05%~5% of tobacco leaf fragment quality, enzymatic hydrolysis temperature 20~70 DEG C of degree, enzymolysis time are 1~16h, and the pH value of enzymatic hydrolysis is 3~7, and pH value can be adjusted by the way that citric acid etc. is added Section, 10~60rmp of mixing speed.Protease hydrolyzed additive amount 0.1%~2%, hydrolysis temperature are 50~60 DEG C, pH value 3.0~ 5.5；Cellulase degradation additive amount 0.5%~2%, pH value 4.0~5.5,45~50 DEG C of hydrolysis temperature；Pectase controlled enzymatic hydrolysis Additive amount 0.5%~2%, for pH value 3.5~5.5, hydrolysis temperature is 50~60 DEG C.After extracting, having digested, offal leaching is carried out The flat turn type for proposing, digesting feed liquid is continuously separated by solid-liquid separation.The preimpregnation of tobacco leaf fragment material, extraction, enzymatic hydrolysis combination, couplingization operate together It continuously presoaks in flat turn type, extract, digest combination, completing in coupler.The thus obtained continuous phase analysis of tobacco leaf fragment flat turn type Send defibrination process to mix defibrination with offal phase analysis, and continuously presoaked, extract by flat turn type, digesting combination, coupler is isolated Extraction, enzymolysis liquid are by plate compression or centrifugal sedimentation separation or sedimentation separation or tubular filter separation and its combination of the above purification After process for refining processing, it can individually be concentrated or mix concentration with the extraction of offal material, enzymatic hydrolysis refined liquid.Contain 10~80% methanol Or 10~80 extractions of ethyl alcohol soft water solution, the concentration of enzymolysis liquid, it is necessary first to first recycle methanol or ethyl alcohol, then depressurize again dense Contracting.Final concentrate Baume degrees is 25~30 ° of Be ', total solid content 40%~50%.Concentrator can be using liter film or drop Film or short tube decompression evaporator, vacuum degree are 0.090~0.095MPa.

Embodiment 5: a kind of reconstituted tobacco tobacco leaf fragment material flat turn type is continuously presoaked, is extracted, digesting combination, coupler

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Reconstituted tobacco processes main technique quality control index:

Claims

1. a kind of reconstituted tobacco flat turn type is continuously washed, is extracted, digesting combination, coupling chemical industry skill, it is characterised in that including following Step:

The first step, raw material composition: by reconstituted tobacco target product technique requirement compatibility raw material, by offal mixture and tobacco leaf fragment Mixture composition；Tobacco leaf fragment mixture is made of tobacco leaf fragment, offal, the mixing of cigarette stick crushed material；Offal mixture: tobacco leaf is broken Piece mixture=3~5: 7~5；Moisture content of the raw material 8%~15%；

Washing, pre-soaking, extraction, the enzymatic hydrolysis combination, couplingization preparation process of offal material: second step is produced by reconstituted tobacco target The requirement of product technique is washed the offal mixture through metering, compatibility, pre-soaking, extraction, enzymatic hydrolysis, feed liquid separation；Stalk is washed to remove Chlorine, removes part NO3-N and NO2-N at dedusting；It washes stalk material technology controlling and process: washing stalk solvent: soft water, wash stalk water temperature: 30~40 DEG C, washing time 30~50 seconds；Extracting technology is continuously extracted using flat turn type, and extraction solvent is soft water or 10%~80% methanol Or 10%~80% ethanol water soft water, for the control of extraction solid-to-liquid ratio 1: 4~8, extraction temperature controls the extraction at 50~90 DEG C Time 8~12 hours, liquid coefficient 4~5 out；By total feed, single tank drain meter or total feed, total drain meter are pressed, spray Drench intensity 150kg/m².min, the extraction of head step offal, enzymolysis liquid total solid content 4%, Baume degrees is 3~5 ° of Be ', and total solid substance can Molten object sucrose extraction >=85%, total solid substance feeding quantity sucrose extraction 20%~35%, offal material moisture content 15.75%~17.23% hold Weight 302kg/m³, offal material water absorption rate 79%；Offal bed depth≤890mm；Digest the additional amount of enzyme preparation protease hydrolyzed It is the 0.1%~2% of tobacco stalk quality, the additional amount of enzymatic hydrolysis enzyme preparation cellulase degradation is the 0.5~2% of tobacco stalk quality, enzyme The additional amount for solving enzyme preparation pectase controlled enzymatic hydrolysis is the 0.5%~2% of tobacco stalk quality, 20~70 DEG C of hydrolysis temperature, when enzymatic hydrolysis Between be 1~15h, the pH value of enzymatic hydrolysis is 3~7, and pH value is adjusted by the way that citric acid is added, 10~60rmp of mixing speed；Leaching After mentioning, having digested, offal extraction is carried out, the flat turn type of enzymatic hydrolysis feed liquid is continuously separated by solid-liquid separation；Washing, pre-soaking, the leaching of offal material It mentions, digest combination, couplingization operation and continuously wash stalk in flat turn type together, extraction, enzymatic hydrolysis combination, complete in coupler；Thus To the continuous phase analysis of offal material flat turn type send defibering, defibrination process, and stalk, extraction, enzymatic hydrolysis combination, coupling are continuously washed by flat turn type Extraction that device is isolated, enzymolysis liquid by plate compression or centrifugal sedimentation separation or sedimentation separation or tubular filter separation and its with After upper combination purification process for refining processing, individually it is concentrated or mixes concentration with tobacco leaf fragment extraction, enzymatic hydrolysis refined liquid；Containing 10~ The extraction of 80% methanol or 10%~80% ethyl alcohol soft water solution, the concentration of enzymolysis liquid, it is necessary first to methanol or ethyl alcohol are first recycled, Then it is concentrated under reduced pressure again；Final concentrate Baume degrees is 25~30 ° of Be ', total solid content 40%~50%；Concentrator is adopted With liter film or falling liquid film or short tube decompression evaporator, vacuum degree is 0.090~0.095MPa；

" reconstituted tobacco offal material flat turn type continuously washes stalk, extraction, enzymatic hydrolysis combination, coupler " used in step 2, it is basic Structure composition: material turns round lattice and is divided into 20 material revolution lattice by a circumference, wherein washing stalk accounts for 2 material revolution lattice, Extraction, enzymatic hydrolysis account for 13 material revolution lattice, and extraction, enzymatic hydrolysis solution drip-dry, extraction solvent liquid feeding account for 3 material revolution lattice, deslagging Discharging accounts for 2 material revolution lattice；

20 dynamic material revolution lattice are divided by function: stalk, spray extraction enzymatic hydrolysis, drip-dry, four functional areas of slagging tap are washed in charging It draws；

Correspond to material revolution lattice quiescent solution, go out slag charge lattice also by a circumference be divided into 20 solution, go out slag charge Lattice, wherein feeding, washing stalk and account for 2 solution lattice, extraction, enzymatic hydrolysis account for 14 solution lattice, and drip-dry accounts for 2 solution lattice, and slagging tap accounts for 2 and go out Slag charge lattice；

20 quiescent solutions, slag charge lattice are divided by function out: being washed stalk solution, spray extraction enzymatic hydrolysis, drip-dry solvent, slagged tap four Function zoning；

Solution lattice are divided into order to wash stalk, extraction enzymatic hydrolysis, the corresponding relationship of drip-dry material revolution lattice and factor with charging: the 1st The liquid zone Qu Gewei Xi Geng, the 2nd area's lattice are spray classification extraction, enzymatic hydrolysis area, and the 3rd area's lattice are extraction, enzymolysis liquid drip-dry, extraction solvent Liquid feeding area；

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Deslagging discharging lattice account for two equal portions material lattice: 2 × 18 °；

Rotational material lattice extract 12~16 hours offal gyration periods/circle, practical 14 × 18 ° of lattice number of spray, and practical extraction time is 8.4~11.2 hours；

Reconstituted tobacco offal material flat turn type is continuously washed, is extracted, digesting combination, coupler rotational material lattice, solution lattice process Selection are as follows: rotational material lattice: d2000~D6100 × 1400, respectively 20 lattice；Solution lattice: d1800~D6100 × 1800 are divided into 11 Lattice；

Spray pump selects submerged pump, material 1cr18ni9Ti, wherein extraction pump 9~11, turns liquid pump 1, lift 10m, flow 9m³/hr；The explosion-proof 4 grades of motor of adapted 1.1kw, 1380 turns/min；

Reconstituted tobacco offal material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler configuration ancillary equipment have extraction solvent Head tank, charging discharging, slags tap and closes auger, the extraction of head step, enzymolysis liquid combination filter, head step liquid at extraction solvent preheater Storage tank, head step liquid delivery pump, reconstituted tobacco offal material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler reflux condensation mode Device, drag conveyor；

Tobacco leaf fragment pre-soaking, extraction, enzymatic hydrolysis combination, couplingization preparation process: third step presses reconstituted tobacco target product technique It is required that by pre-soaking, extraction, enzymatic hydrolysis, feed liquid separation is carried out through the tobacco leaf fragment mixture of metering, compatibility；Preimpregnation, extraction, enzyme Solution technique is continuously presoaked using flat turn type, is extracted and enzymatic hydrolysis；Extraction solvent be soft water or 10%~80% methanol or 10%~ 80% ethanol water soft water, pre-soaking solid-to-liquid ratio 1: 3~5, the control of pre-soaking temperature at 40~60 DEG C, the pre-soaking time 20~ 30min；Solid-to-liquid ratio control is extracted 1: 5~10, extraction temperature is controlled at 60~90 DEG C, extraction time 7~10 hours, out liquid system Number 4~5；By total feed, single tank drain meter or press total feed, total drain meter, spraying intensity 150kg/m².min, head Walk tobacco leaf fragment extraction, enzymolysis liquid total solid content 4%, Baume degrees be 3~5 ° of Be ', total solid substance soluble matter sucrose extraction >=90%, Total solid substance feeding quantity sucrose extraction 20%~35%；Loose 249.6~396kg/m of bulk density³, jolt ramming, which is held, expects 280~472.8kg/m³, cigarette Leaf material water absorption rate 71%；Tobacco leaf bed depth≤890mm；The additional amount for digesting enzyme preparation protease hydrolyzed is tobacco leaf fragment quality 0.1%~2%, enzymatic hydrolysis enzyme preparation cellulase degradation additional amount be tobacco leaf fragment quality 0.5~2%, digest enzyme system The additional amount of agent pectase controlled enzymatic hydrolysis be tobacco leaf fragment quality 0.5%~2%, 20~70 DEG C of hydrolysis temperature, enzymolysis time For 1~16h, the pH value of enzymatic hydrolysis is 3~7, and pH value is adjusted by the way that citric acid is added, 10~60rmp of mixing speed；Extraction, After having digested, the extraction of tobacco leaf fragment material is carried out, the flat turn type of enzymatic hydrolysis feed liquid is continuously separated by solid-liquid separation；Preimpregnation, the leaching of tobacco leaf fragment material It mentions, digest combination, couplingization operation is continuously presoaked in flat turn type together, extracted, is digested combination, is completed in coupler；Thus To the continuous phase analysis of tobacco leaf fragment flat turn type send defibrination process to mix defibrination with offal phase analysis, and continuously presoaked, soak by flat turn type It mentions, digest combination, the extraction that coupler is isolated, enzymolysis liquid by plate compression or centrifugal sedimentation separation or sedimentation separation or pipe Formula be separated by filtration and its combination of the above purification process after, individually concentration or mixed with the extraction of offal material, enzymatic hydrolysis refined liquid Close concentration；The concentration of extraction, enzymolysis liquid containing 10%~80% methanol or 10%~80% ethyl alcohol soft water solution, it is necessary first to Methanol or ethyl alcohol are first recycled, is then concentrated under reduced pressure again；Final concentrate Baume degrees is 25~30 ° of Be ', total solid content 40%~ 50%；Concentrator is 0.090~0.095Mpa using film or falling liquid film or short tube decompression evaporator, vacuum degree is risen；

" reconstituted tobacco tobacco leaf fragment material flat turn type is continuously presoaked, is extracted, digesting combination, coupler " used in step 3, Basic structure composition: material turns round lattice and is divided into 20 material revolution lattice by a circumference, wherein charging, preimpregnation account for 2 objects Material revolution lattice, extraction, enzymatic hydrolysis account for 13 material revolution lattice, and extraction, enzymatic hydrolysis solution drip-dry, extraction solvent liquid feeding account for 3 materials and return Turn lattice, deslagging discharging accounts for 2 material revolution lattice；

20 dynamic tobacco leaf fragment material revolution lattice are divided by function: charging preimpregnation, is slagged tap four at spray extraction enzymatic hydrolysis, drip-dry Function zoning；

Correspond to dynamic material revolution lattice quiescent solution, go out slag charge lattice also by a circumference be divided into 20 solution, go out Slag charge lattice, wherein charging, preimpregnation account for 2 solution lattice, extraction, enzymatic hydrolysis account for 13 solution lattice, and drip-dry, solvent account for 3 solution lattice, out Slag accounts for 2 and goes out slag charge lattice；

20 quiescent solutions, slag charge lattice are divided by function out: charging preimpregnation, drip-dry solvent, is slagged tap four at spray extraction enzymatic hydrolysis Function zoning；

In order to be divided into solution lattice with charging, extraction, the corresponding relationship of drip-dry material revolution lattice and factor: the 1st area's lattice are head Liquid zone is walked, the 2nd area's lattice are spray classification extraction, enzymatic hydrolysis area, and third area lattice are extraction, enzymolysis liquid drip-dry, extraction solvent liquid feeding area；

Circulating pump 9~11, spray tube 8~10, upper solvent pump 2~4；

Rotational material lattice extract tobacco leaf fragment gyration period every circle 12~18 hours, and practical spray extraction lattice number is 10~12 lattice, real Border extraction time is 6~10.8 hours；Or suitably increase measure, increase extraction time；Or head step liquid sets preimpregnation, thus increases leaching Mention the time 0.6~1.2 hour；

Reconstituted tobacco tobacco leaf fragment material flat turn type is continuously washed, is extracted, digesting combination, coupler rotational material lattice, solution lattice technique Size selection are as follows: rotational material lattice: d2000~D7000 × 1400, respectively 20 lattice；Solution lattice: d1800~D7100 × 1800, point At 12 lattice；

Reconstituted tobacco tobacco leaf fragment material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler configuration ancillary equipment have extraction Solvent head tank, charging discharging, slags tap and closes auger, the extraction of head step, enzymolysis liquid combination filter, head at extraction solvent preheater Step liquid storage tank, head step liquid delivery pump, reconstituted tobacco tobacco leaf fragment material flat turn type continuously wash stalk, extraction, enzymatic hydrolysis combination, coupler time Flow condenser, drag conveyor；

4th step, defibering and defibrination

Offal defibering makes to be impregnated offal wire-dividing broom purification, the cutting, conquassation, distortion that heated profit rises, softens, and makes offal crude fibre Change；After the completion of stalk material impregnates, that is, carry out the defibering operation for impregnating raw material；Beating degree after stalk material defibering are as follows: 10~15 ° of SR；

Stalk material after defibering is uniformly mixed with soaked tobacco leaf fragment, is carried out the highly concentrated mill defibrination of level-one and is extracted, refining concentration: 16%~20%, beating degree: 20%~24%；

Defibrination feed liquid after the highly concentrated mill defibrination of level-one extracts, series hybrid carry out second of defibrination extraction, the highly concentrated mill of second level Refining concentration control exists: 12%~16%, beating degree: 25%~29%；

Second level mixer mill slurry liquid goes out grinding slurry through inclined screw press master or flat spin press master or horizontal spiral separator first separation With defibrination material；Filtrate crosses 100~120 mesh screens or filter cloth；

Concentration is 20%~25% before the mixing defibrination designed after raw material soaking；Concentration control is 25%~12% after mixing defibrination In the range of, subsequent pulp washing process water is added in insufficient water supplement；

Moisture content of the raw material is 8%~15%；

Defibering uses defibering technique and its equipment；Defibrination uses high consistency refining technique and its equipment；

5th step, storage slurry, with slurry, refining after defibrination pulp washing

Storage slurry further makes slurry mixture uniformly, and then the moisture content and beating degree of equlibrated slurry；

Wood pulp cellulose additional amount 5%~10%；

Wet pulp concentration is in 15%~25% (mass dryness fraction)；

Storage slurry concentration after defibrination pulp washing is 8%~12%；

Slurry concentration control with slurry is 3.5%；

The solid material separated from extracter is sent in beater to be beaten again, and it is 10 millimeters that average length, which is made, is cut Area is 1.3mm²Fibre stuff；Being then sent through in jordan makes fiber be made fine, and with the recycle-water of paper machine that slurry is dilute It releases to 1% concentration, then is sent in the batcher of paper machine with pump；

Refining beating degree is controlled in 27 ± 2 ° of SR, slurry concentration 3.5%；

2.5%, refining pulp concentration is controlled 0.8%~1.0% for refining storage slurry concentration control；

6th step, recombination

Slurry is sent to after batcher and web substrate is made with fourdrinier paper machine, by the vacuum dewatering plant at paper machine rear portion, Make the water content 90% or so of substrate；Water content drops to 70% or so after roll-in, then passes through drying cylinder and dryer roll Drying makes water content be reduced to 30%；At this moment with the method for dip-coating or spraying by concentrate dip-coating or return be sprayed on substrate, at this moment The moisture content of substrate is 45% or so；It is used in the recycling of water 80% that paper machine filters out on the net, remaining 20% moisture is through sewage It is discharged after processing；

Substrate controls moisture 16%~18%, and substrate quantifies 65 ± 2g/m²；

7th step, substrate coating

Substrate coating fluid total solid substance concentration 40%~50%, substrate coating fluid quantifies 38~45g/m²；Chip moisture 16%~ 18%, thin slice quantifies 105~110g/m²；

8th step, it is dry in blocks

Wet reconstituted tobacoo is admitted to the hot air tunnel formula drying machine specially designed, in exit the moisture content of thin slice be 17%~ 20%；Then threshing machine is used, thin slice is shredded into unsetting fragment, being re-fed into a cylindrical drier makes the aqueous of thin slice Rate reaches 10%~15%, hereafter or as needed sets a flavoring cylinder, carries out flavoring to thin slice.