CN103251125B - The manufacture method of the functional papermaking-method reconstituted tobaccos of a kind of high-quality - Google Patents
The manufacture method of the functional papermaking-method reconstituted tobaccos of a kind of high-quality Download PDFInfo
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- CN103251125B CN103251125B CN201310162275.0A CN201310162275A CN103251125B CN 103251125 B CN103251125 B CN 103251125B CN 201310162275 A CN201310162275 A CN 201310162275A CN 103251125 B CN103251125 B CN 103251125B
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Abstract
The present invention relates to a kind of manufacture method of high-quality functional reconstructions tobacco leaf product.The present invention is characterized in that comprising the steps: that tobacco waste extracts by a. in the hot water after abundant water infiltration, the mixture of each tobacco waste and water is entered press master shove respectively, carries out Separation of Solid and Liquid; B. crude extract body divided straight line to shake after sieve, sleeping spiral shell carry out Separation of Solid and Liquid, entered concentration systems and concentrated; C. the tobacco waste after press master shove and the mixture of water enter in tobacco pulp brown stock chest, add compound protease and lignoenzyme carries out cellulase treatment to tobacco pulp in brown stock chest or follow-up stock tank.The present invention optionally can reduce the content of harmful components precursor substance in the tobacco materials such as protein in reconstituted tobacco, amino acid, pectin, lignin, cellulose, reduces harmful components burst size when reconstituted tobacco burns.Do not cause zymoprotein in reconstituted tobacco finished product a large amount of residual while with enzyme degraded or with flocculant separate tobacco macromolecular substances.
Description
Technical field
The invention belongs to papermaking-method reconstituted tobaccos technical field, be specifically related to flocculant deep purifying process tobacco extraction liquid, and the manufacture method of a kind of high-quality functional reconstructions tobacco leaf product with cellulase treatment tobacco slurry.
Technical background
Papermaking-method reconstituted tobaccos utilizes the waste material such as offal, cigarette label, offal, fragment, discarded tobacco leaf produced in Cigarette processing process, tobacco soluble substance is extracted through extraction process, slag charge is as paper making raw material, through making beating, manufacture paper with pulp into paper substrate, then tobacco that is concentrated, that filled a prescription being extracted concentrate is applied on paper substrate, dries and tears up rear acquisition.
Papermaking-method reconstituted tobaccos is one of important formula in cigarette composition.Papermaking-method reconstituted tobaccos falls burnt effective auxiliary material as a kind of Harm reduction techniques, and mixing in cigarette composition joins usage ratio up to about 15%, effectively can reduce the hazard index of cigarette.Along with going deep into further of burnt requirement is fallen to Harm reduction techniques by State Bureau, one of lowering harm and decreasing coking technology industry science and technology key special subjects being also included into State Tobacco Monopoly Bureau's establishment of reconstituted tobacco.
Flue gas is the chemical system of constantly change and complexity thereof, and it is the tobacco product aerosol that tobacco imperfect combustion is formed in aspiration procedure.Chemical composition in flue gas is mainly derived from destructive distillation and the burning cracking of tobacco material chemical composition, and that is, a part derives from the direct transfer of tobacco components, and a part derives from pyrolysis synthesis.The cell membrane of tobacco cell is made up of cellulose, hemicellulose, lignin etc., and be filled with pectic substance between cell, a large amount of protoplasts is included in cell membrane.Lignin in plant tissue usually exists with chimeric form with other compositions, surrounds cellulose, cause baccy fiber in pulping process, be difficult to separation, pulping energy consumption be high, the slurry uniformity and wire-dividing broom purification degree bad.Show from existing result of study: the primary product of lignin cracking is phenol, cresols and other replace single phenols, be toxic compounds, produce xylon gas and excitant in combustion; Pectin is the carbohydrate of rich content in tobacco, and pectic substance can produce methyl alcohol, ethanol burning and sucking in process, and first (second) alcohol is further oxidized to the composition such as first (second) aldehyde, first (second) acid more not only can bring excitant to flue gas, and harmful.And higher pectic substance content also can cause tar content in cigarette to raise; Nitrogen-containing compound accounts for the 12%--25% of tobacco leaf dry weight, amounts to into nitrogen content and is about 2%-6%, and main nitrogen-containing compound is biological tobacco bases, protein and amino acid.Protein and amino acid directly burning can produce the smell burning feather, and several amino acids cracking produces excitant harmful components, is the main source of HCN in cigarette gas.
In the production technology of reconstituted tobacco, have and add enzyme preparation in the feed and become Small molecular to improve the method report of reconstituted tobacco suction quality tobacco macromolecules degradation, but by applying enzyme reaction degrading tobacco harmful substance precursor in the slurry and not yet having patent to report in the method extracting these 2 technology of line application flocculant separate tobacco harmful substance precursor and reduce harmful components burst size when reconstituted tobacco burns while utilizing biology enzyme to improve the physical property of reconstituted tobacco paper substrate; And add enzyme preparation in the feed tobacco macromolecules degradation is become Small molecular, zymoprotein will inevitably be caused cannot to be separated in tobacco extraction liquid, and zymoprotein itself also can cause the decline of reconstituted tobacco suction quality.
While not causing residual in reconstituted tobacco finished product of zymoprotein, how reduce again the content of harmful components precursor substance in the tobacco materials such as protein in reconstituted tobacco, amino acid, lignin, pectin, improve the physical property of reconstituted tobacco paper substrate, reducing harmful components burst size when reconstituted tobacco burns, is the technical barrier that reconstituted tobacco industry is badly in need of solving.
Summary of the invention
Object of the present invention is for problems of the prior art, do not cause zymoprotein in reconstituted tobacco finished product a large amount of residual while by enzyme degraded or the method with flocculant separate tobacco macromolecular substances; Optionally reduced the content of harmful components precursor substance in the tobacco materials such as protein in reconstituted tobacco, amino acid, pectin, lignin, cellulose by the method, reduce harmful components burst size when reconstituted tobacco burns.
Another object of the present invention, it is the degraded by partial lignin in tobacco slurry, baccy fiber element is easilier discharged from the confinement of lignin, obtain the reconstituted tobacco product that the physical indexs such as tensile strength, air permeability, thickness, Filling power are all improved, this reconstituted tobacco product is because of excellent physics filling capacity and fired state, be more prone to Thorough combustion, thus effectively reduce the burst size of harmful substance.
The present invention also aims to, provide a kind of have good machining property, there is low harmful substance burst size, the manufacture method of high-quality functional reconstructions tobacco leaf product that suction quality is excellent.
The present invention is achieved through the following technical solutions: a kind of manufacture method of high-quality functional reconstructions tobacco leaf product, is characterized in that comprising the steps:
A. tobacco waste is comprised offal, cigarette label, offal extract in the hot water after abundant water infiltration, the mixture of each tobacco waste and water is entered press master shove respectively, carries out Separation of Solid and Liquid;
B. crude extract body divided straight line to shake after sieve, sleeping spiral shell carry out Separation of Solid and Liquid, entered concentration systems and concentrated;
C. the tobacco waste after press master shove and the mixture of water enter in tobacco pulp brown stock chest, add compound protease and lignoenzyme carries out cellulase treatment to tobacco pulp in brown stock chest or follow-up stock tank.
The process conditions of described ferment treatment reaction are: tobacco slurry concentration is 2.5-4.9%, and temperature is 25-40 degrees Celsius, and pH value is 5.5-7.0, and the reaction time is 2-10 hours.
The adding proportion of described compound protease is 0.05-5.0%, and described lignoenzyme, adding proportion is 0.01-3.5%.
Crude extract body in stepb after straight line shakes sieve enters flocculation process module and carries out the large molecule flocculation treatment of the degree of depth, the liquid after the large molecule flocculation treatment of the degree of depth, then after entering a horizontal spiral discharge sedimentation centrifuge separation, enters concentration systems and concentrate.
Described flocculation process module comprises flocculation reaction technology and machinery centrifugal separation process.
In flocculation reaction technique, the order of addition of flocculant is for first to add liquid flocculant, etc. liquid flocculant stir in tobacco extraction liquid be evenly distributed after add solid-state flocculant again.
The flocculation reaction process conditions of described tobacco extraction liquid are: extract temperature is 15-55 degree, and the processing time is 5-50 minutes, and time of repose is 10-30 minutes.
Described liquid flocculant is food grade flocculant, is the compound of shitosan and seaweed extracted liquor, wherein liquid shitosan 50-80%, liquid seaweed extract 20-50%, and adding proportion is 0.1-0.8%; Described solid-state flocculant is made up of diatomite, zeolite and sepiolite, and wherein diatomite ratio is 20-50%, and zeolite ratio is 10-40, and sepiolite ratio is 10-70%, and adding proportion is 0.5-5.0%.
Described solid-state flocculant is porous material, and wherein diatomite particle diameter is 20-100 microns, and zeolite granular diameter is 10-40 microns, and sepiolite particle diameter is 2-20 microns.
Preparation principle of the present invention is: increase flocculation plant at reconstituted tobacco extraction line, tobacco extraction liquid, through flocculant process, removes the macromolecular substances such as protein, cellulose, pectin of the overwhelming majority; At reconstructed tobacco leaf slurry preparatory phase, carry out cellulase treatment, reduce the protein in baccy fiber and content of lignin, obtain the reconstituted tobacco paper substrate with good physical behavior compared with low-protein and lower content of lignin; There is not enzymatic reaction system and there is no the residual of external enzyme albumen in extraction line, and enzyme in slurry slurry enter online manufacture paper with pulp system time, most enzyme enters white-water system at wet end and press section and pulp separation.The protein of effective reduction reconstituted tobacco paper substrate and content of lignin, the only a few enzyme remained in paper substrate is being inactivated in the drying course of vat, compensating cylinder with reconstituted tobacco paper substrate.
Domestic tobacco sheets by paper making method raw material identity is poor, and source is complicated, and the macromolecular components such as its protein be rich in, starch, pectin, cellulose, hemicellulose, lignin are present in extract in a large number by extraction and shove operation; Separation of Solid and Liquid is prepared in extract process, and some fine solid particles unavoidably enter as dust, tiny slurry etc. or remain in extract.One or more effective flocculants are added in extract, can between soluble large molecule composition, play bridging action and flocculate into the very large molecule micelle of diameter, also solid phase particles diameter can be made to become large, and then greatly improve mechanical settling efficiency, effectively reduce being separated number of times.While purification tobacco extraction liquids, the macromolecular components such as protein, starch, pectin, cellulose, hemicellulose, lignin being unfavorable for thin slice production and quality is removed in the flocculation of composite good flocculant alternative.
Compared with prior art, the present invention has following advantage:
1. at reconstructed tobacco leaf slurry preparatory phase, carry out cellulase treatment, reduce the protein in baccy fiber and content of lignin, obtain the reconstituted tobacco paper substrate with good physical behavior compared with low-protein and lower content of lignin; This reconstituted tobacco product, because harmful substance precursor content is few, tissue looseness has excellent combustibility, compared with conventional products, effectively can reduce the burst size of harmful substance.
2. in the feed or add in extract enzyme preparation come tobacco macromolecules degradation is become Small molecular, zymoprotein will inevitably be caused cannot to be separated and to enter in reconstituted tobacco finished product in tobacco extraction liquid, and zymoprotein itself also can cause the decline of reconstituted tobacco suction quality.And enzyme in slurry slurry enter online manufacture paper with pulp system time, overwhelming majority enzyme enters white-water system at wet end and press section and pulp separation, substantially the residual of external enzyme albumen is not had in product, that is, the external enzyme albumen added in the slurry can not cause the decline of reconstituted tobacco suction quality.Compared with extraction line external enzyme reaction system, flocculant flocculation is used to be unfavorable for the tobacco macromolecular substances of suction quality and to make macromolecular substances be easy to be mechanically separated, flocculant is united by tobacco macromolecular substances and is isolated tobacco extraction liquid, also there is not the residual of external enzyme.
3. use biology enzyme especially lignoenzyme instead of cellulase improve the physical property of baccy fiber, effectively can retain baccy fiber element and not be destroyed, improve the evenness of pulp fiber, intensity and yield.This is favourable to the input and output rate of raising reconstituted tobacco.
4. technique flexible and convenient: add enzyme in the slurry and carry out degradation reaction, the reaction time can add different stock tanks to control with enzyme, adds the enzyme reaction time to shorten successively in brown stock chest, middle stock tank and pond with slurry.Because enzyme less residue in paper substrate also can be inactivated in the drying course of vat, compensating cylinder with reconstituted tobacco paper substrate, do not need to increase inactivating device yet.
5. being separated of the macromolecular substances such as protein, pectin in the degraded of protein and lignin and tobacco extraction liquid in slurry, effectively can reduce xylon gas, the excitant of reconstituted tobacco product, improve the suction quality of reconstituted tobacco product.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but this explanation does not limit content of the present invention.
Embodiment 1
The tobacco materials such as offal, cigarette label, offal, fragment, discarded tobacco leaf mix according to the ratio of 6:1:1:1:1, with the pretreatment 1 hour under 50 degrees celsius of 7 times of water, then tobacco composition and water are after press master shove, tobacco extraction liquid carries out process of sieving, after entering a horizontal spiral discharge sedimentation centrifuge separation more respectively, enter concentration systems and be concentrated into proportion 1.250.
Tobacco slurry after press master shove enters pulping system, and through high, medium and low dense defibrination, screening and with slurry, the beating degree of tobacco composite fibre is 35
0sR, concentration 3.0%.In slurrying and the process of manufacturing paper with pulp, in pond with slurry, add the wood-fibred slurry being equivalent to tobacco composite fibre slurry 10%, add the filler-calcium carbonate being equivalent to tobacco material slurry 8% at machine chest.Pulping enters the system of manufacturing paper with pulp of paper machine through high-order head box, through fourdrinier wire drainage, vacuum dehydration, squeezing and drying forming paper substrate.
Mixed concentrated liquid is carried out lotion formula and obtains lotion, shaping paper substrate is met by dip roller and lotion, controls dip-coating amount 38-40%, then through drying and tearing up, obtains the reconstituted tobacco of moisture at 11--13%.
Embodiment 2
The place different from embodiment 1 is: after tobacco extraction liquid sieves, and enters flocculation workshop section, liquid flocculation adding proportion 0.4%, and solid-state flocculant adding proportion 1%, the flocculant processing time is 20 minutes, flocculation temperature 35 degree, the 20 minutes standing sedimentation time after flocculation.Flocculation process module auto-controll operation.Tobacco liquid after flocculation treatment, after flow controller stability contorting goes out flow quantity, then enters horizontal spiral discharge sedimentation centrifuge separation.
In 30 minutes, collect the slag of horizontal spiral discharge sedimentation centrifuge slag outlet in the embodiment 1 and 2 of equal number and the tobacco extraction liquid of discharge opeing outlet respectively, detect data in table 1.Show that the extraction melt cinder content of embodiment 2 obviously declines from table 1, residue protein matter and pectin content are also significantly increased.In other words, after tobacco extraction liquid flocculation treatment, the large molecule such as more protein and pectin is had to be separated together with slag.
Table 1:
Embodiment 3
The place different from embodiment 1 is: enter pulping system at the tobacco slurry after press master shove, compound protease and lignoenzyme is added in tobacco pulp brown stock chest, wherein the adding proportion of compound protease is 1.5%, and the adding proportion of lignoenzyme is 1.0%.Slurry temperature controls at 30-40 degree, and pH value is 6.0, and the reaction time is 8 hours.
The reconstituted tobacco paper substrate of Example 1 and 3 carries out the mensuration of body paper air permeability respectively, and data are in table 2.Draw from table 2, the reconstituted tobacco paper substrate air permeability after cellulase treatment and tensile strength have obvious rising.
Table 2:
The reconstituted tobacco paper substrate of Example 1 and 3 carries out protein and cellulosic mensuration respectively, and data are in table 3.Draw from table 3, the reconstituted tobacco paper substrate protein after cellulase treatment and content of lignin obviously decline.
Table 3:
| Sample | Paper substrate protein content (%) | Paper substrate content of lignin (%) |
| Embodiment 1 | 4.5 | 4.2 |
| Embodiment 3 | 3.8 | 3.5 |
Embodiment 4
The place different from embodiment 2 is, pulping system is entered at the tobacco slurry after press master shove, in tobacco pulp brown stock chest, add compound protease and lignoenzyme, wherein the adding proportion of compound protease is 3.0%, and the adding proportion of lignoenzyme is 2.0%.Slurry temperature controls at 30-40 degree, and pH value is 6.0, and the reaction time is 8 hours.
The reconstituted tobacco finished product of Example 1,3 and 4 carries out the mensuration of Filling power, air permeability, burning velocity respectively, and data are in table 4.Draw from table 4, the reconstituted tobacco finished product Filling power after cellulase treatment, air permeability, burning velocity rise all to some extent.
Table 4:
The reconstituted tobacco finished product of Example 1,2,3 and 4, rolls into pure reconstituted tobacco cigarette after chopping respectively.Harmful components analysis is carried out to sample, analyzes data in table 5.Draw from table 5, reconstituted tobacco and the embodiment 1 of embodiment 2,3,4 compare, and harmful components (TPM, phenol, formaldehyde, HCN, tar, the CO etc.) data in fume indication have obvious decline.
Table 5:
The reconstituted tobacco finished product of Example 1,2,3 and 4, rolls into pure reconstituted tobacco cigarette after chopping respectively.Smoking result is in table 6.Table 6 data show, and embodiment 2, embodiment 3 embodiment 4 and embodiment 1 compare, and aroma quality and perfume quantity increase all to some extent, and assorted gas and excitant obviously reduce.
Table 6:
Claims (4)
1. a manufacture method for high-quality functional reconstructions tobacco leaf, is characterized in that comprising the steps:
A. tobacco waste is comprised offal, cigarette label, offal extract in the hot water after abundant water infiltration, the mixture of each tobacco waste and water is entered press master shove respectively, carries out Separation of Solid and Liquid;
B. the crude extract body of crude extract after straight line shakes sieve enters flocculation process module and carries out the large molecule flocculation treatment of the degree of depth, the liquid after the large molecule flocculation treatment of the degree of depth, then enters after a horizontal spiral discharge sedimentation centrifuge is separated, and enters concentration systems and concentrates; In flocculation reaction technique, the order of addition of flocculant is for first to add liquid flocculant, etc. liquid flocculant stir in tobacco extraction liquid be evenly distributed after add solid-state flocculant again;
C. the tobacco waste after press master shove and the mixture of water enter in tobacco pulp brown stock chest, compound protease is added and lignoenzyme carries out cellulase treatment to tobacco pulp in brown stock chest, the adding proportion of described compound protease accounts for 0.05-5.0% of tobacco slurry weight, and the adding proportion of described lignoenzyme accounts for 0.01-3.5% of slurry weight;
Described liquid flocculant is food grade flocculant, is the compound of shitosan and seaweed extracted liquor, wherein liquid shitosan 50-80%, liquid seaweed extract 20-50%, and the adding proportion of liquid flocculant accounts for 0.1-0.8% of extract weight; Described solid-state flocculant is made up of diatomite, zeolite and sepiolite, and wherein diatomite ratio is 20-50%, and zeolite ratio is 10-40%, and sepiolite ratio is 10-70%, and the adding proportion of solid-state flocculant accounts for 0.5-5.0% of extract weight;
The process conditions of described ferment treatment reaction are: tobacco slurry concentration is 2.5-4.9%, and temperature is 25-40 degrees Celsius, and pH value is 5.5-7.0, and the reaction time is 2-10 hours.
2. the manufacture method of a kind of high-quality functional reconstructions tobacco leaf according to claim 1, is characterized in that described flocculation process module comprises flocculation reaction technology and machinery centrifugal separation process.
3. the manufacture method of a kind of high-quality functional reconstructions tobacco leaf according to claim 2, it is characterized in that the flocculation reaction process conditions of described tobacco extraction liquid are: extract temperature is 15-55 degrees Celsius, processing time is 5-50 minutes, and time of repose is 10-30 minutes.
4. the manufacture method of a kind of high-quality functional reconstructions tobacco leaf according to claim 3, it is characterized in that described solid-state flocculant is porous material, wherein diatomite particle diameter is 20-100 microns, and zeolite granular diameter is 10-40 microns, and sepiolite particle diameter is 2-20 microns.
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| CN103564637A (en) * | 2013-11-03 | 2014-02-12 | 云南瑞升烟草技术（集团）有限公司 | Method for reducing smoke CO (carbon oxide) release amount of paper-making reconstituted tobaccos |
| CN103720029A (en) * | 2013-12-13 | 2014-04-16 | 云南中烟昆船瑞升科技有限公司 | Papermaking reconstituted tobacco extracting solution combination pre-treatment process |
| CN104172462B (en) * | 2014-08-13 | 2016-03-30 | 安徽中烟工业有限责任公司 | The purification process of stem extracting solution in a kind of papermaking-method reconstituted tobaccos |
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| CN104997152B (en) * | 2015-08-20 | 2017-03-22 | 湖北中烟工业有限责任公司 | Complex enzyme preparation for tobacco sheet and application of complex enzyme preparation |
| CN105852189B (en) * | 2016-05-31 | 2017-06-30 | 湖北中烟工业有限责任公司 | A kind of method that utilization waste/hypo-tobacco leaf prepares tobacco extract |
| CN105942573B (en) * | 2016-07-20 | 2017-12-05 | 湖北中烟工业有限责任公司 | A kind of method for improving reconstituted tobacco organoleptic quality |
| CN108323793B (en) * | 2018-02-11 | 2021-02-02 | 云南中烟工业有限责任公司 | Core base material for heating non-combustible cigarette and preparation method thereof |
| CN108968132B (en) * | 2018-10-09 | 2021-08-03 | 湖北中烟工业有限责任公司 | Preparation method of reconstituted tobacco coating liquid |
| CN113412958B (en) * | 2021-07-02 | 2023-03-03 | 贵州黄果树金叶科技有限公司 | Quality improving method of paper-making reconstituted tobacco water paste, tobacco water paste and application |
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