CN106835818B - A kind of paper pulp and preparation method thereof - Google Patents
A kind of paper pulp and preparation method thereof Download PDFInfo
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- CN106835818B CN106835818B CN201710056849.4A CN201710056849A CN106835818B CN 106835818 B CN106835818 B CN 106835818B CN 201710056849 A CN201710056849 A CN 201710056849A CN 106835818 B CN106835818 B CN 106835818B
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- Prior art keywords
- pulp
- tobacco
- paper
- reconstituted tobacco
- fiber slurry
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Classifications
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
Abstract
The present invention relates to a kind of paper pulp and preparation method thereof, it includes: tobacco pulp, plus fiber slurry and filler, based on the weight of over dry substance, the weight ratio of tobacco pulp, plus fiber slurry and filler is 38~46:15~20:18~22, such as 38~40:16~18:19~21；Based on the weight of over dry substance, plus fiber slurry contains 40~60% softwood pulps, 20~40% bamboo pulps, 20~30% dissolving pulps.The reconstituted tobacco chip base water absorption rate with higher being prepared with the paper pulp and good tensile strength.
Description
Technical field
The invention belongs to Field of Tobacco, and in particular to a kind of paper pulp and preparation method thereof.
Background technique
Reconstituted tobacoo is to pass through the reconstituted tobacco that is prepared by recombinant by offal, offal etc., at low cost, fillibility is good,
The advantages that releasing content of coke tar is few.
The main production of reconstituted tobacco (also referred to as reconstituted tobacoo) has paper process, thick slurry method and a roll-in method, it is domestic with
Based on paper process.Fig. 1 is the method flow diagram that paper process prepares reconstituted tobacco, as shown in Figure 1, paper process prepares reconstituted tobacco
Method generally includes:
A) flooding tobacco is used, is separated by solid-liquid separation after extraction, obtains tobacco extract and tobacco solid content；
B) by tobacco solid content defibrination, tobacco pulp is obtained；
C) it is starched using commercially available wood pulp as plus fiber；
D) tobacco pulp, plus fiber slurry and filler are mixed with slurry；
E) gained paper pulp is manufactured paper with pulp with paper machine after will be with slurry, obtains reconstituted tobacco chip base；
F) reconstituted tobacco chip base is coated with coating fluid (tobacco extract after concentrated allotment), it is thin obtains tobacco
Piece.
Summary of the invention
Inventors have found that reconstituted tobacco chip base in the prior art haves the shortcomings that water absorption rate is poor, this leads to reconstituted tobacco
Chip base be coated with absorbability it is poor, be coated with after there are uneven colors after white core, coating it is even, spreading rate does not reach requirement the deficiencies of.
Inventor has invented a kind of paper pulp, the reconstituted tobacco chip base water absorption rate with higher that is prepared using the paper pulp and good
Good tensile strength.
It is an object of the present invention to provide a kind of paper pulp, and it is yet a further object of the present invention to provide a kind of paper pulp
Preparation method, yet another object of the invention is that a kind of reconstituted tobacco chip base is provided, yet another object of the invention is that mentioning
For a kind of preparation method of reconstituted tobacco chip base, yet another object of the invention is that a kind of reconstituted tobacco is provided, it is of the invention
Another is designed to provide a kind of pipe tobacco, yet another object of the invention is that providing a kind of cigarette.
First aspect present invention provides a kind of paper pulp, it includes:
Tobacco pulp, plus fiber slurry and filler, based on the weight of over dry substance, tobacco pulp, plus fiber slurry and filler
Weight ratio is 38~46:15~20:18~22, such as 38~40:16~18:19~21；
Based on the weight of over dry substance, plus fiber slurry containing 40~60% softwood pulps, 20~40% bamboo pulps and 20~
30% dissolving pulp.
Second aspect of the present invention provides a kind of preparation method of paper pulp, including tobacco pulp, plus fiber slurry and filler are mixed
The step of conjunction；
Based on the weight of over dry substance, tobacco pulp, plus fiber slurry and filler weight ratio be 38~46:15~
20:18~22, such as 38~40:16~18:19~21；
Based on the weight of over dry substance, plus fiber slurry containing 40~60% softwood pulps, 20~40% bamboo pulps and 20~
30% dissolving pulp.
In one embodiment, the method for the paper pulp of any one of present invention or any one, the paper pulp have with next
Item or multinomial feature:
Preferably, the beating degree of the paper pulp is 20~30 ° of SR, such as 23~27 ° of SR；
Preferably, the weight in wet base of the paper pulp is 2~4g, such as 2.8~3.2g；
Preferably, the concentration of the paper pulp is 3~5wt%, such as 3~4wt%, then such as 4~5wt%；
Preferably, the first-pass retention of the paper pulp is 63~73%, such as 64~70%.
In one embodiment, the method for the paper pulp of any one of present invention or any one, the tobacco pulp have following
One or more features:
Preferably, the concentration of the tobacco pulp is 2~4%, such as 3~4%；
Preferably, the beating degree of the tobacco pulp is 25~35 ° of SR, such as 28~32 ° of SR；
Preferably, the weight in wet base of the tobacco pulp is 2~5g, such as 3~4g.
In one embodiment, the method for the paper pulp of any one of present invention or any one, the plus fiber slurry have
One or more features below:
Preferably, the concentration of the plus fiber slurry is 2~4%, such as 3~4%.
Preferably, the beating degree of the plus fiber slurry is 20~30 ° of SR, such as 22~28 ° of SR；
Preferably, the weight in wet base of the plus fiber slurry is 8~11g, such as 9~10g.
In one embodiment, the method for the paper pulp of any one of present invention or any one, the filler include calcium carbonate,
Such as powdered whiting and/or precipitated calcium carbonate；
Preferably, the filler is the suspension of precipitated calcium carbonate in water, and the content of precipitated calcium carbonate is 15~25%.
In one embodiment, the method for the paper pulp of any one of present invention or any one, the dissolving pulp have following
One or more features:
Preferably, the fibre length of the dissolving pulp is 600~1200 μm, such as 900~1100 μm
Preferably, the fiber width of the dissolving pulp is 15~27 μm, such as 22~27 μm
Preferably, the fibre coarseness of the dissolving pulp is 0.06~0.2mg/m, such as 0.13~0.2mg/m.
In one embodiment, the method for the paper pulp of any one of present invention or any one, the preparation method of paper pulp include
Following one or more steps:
Obtain tobacco pulp；
Such as will be separated by solid-liquid separation after tobacco material flooding, take solid content, through in defibering, pulp washing, defibrination a step or
Multistep obtains tobacco pulp；
Obtain plus fiber slurry；
Such as by bamboo pulp paddle board, softwood pulp paddle board and dissolving pulp paddle board, through the step in waterpower size degradation, defibrination, mixing
Or multistep, obtain plus fiber slurry；
Tobacco pulp, plus fiber slurry are mixed with filler；
Such as based on wet weight, tobacco pulp, plus fiber and filler are mixed by 11~13:4.5~5:1.
Third aspect present invention provides a kind of preparation method of reconstituted tobacco chip base, including by paper pulp any one of of the invention
The step of manufacturing paper with pulp into paper.
Preferably, during manufacturing paper with pulp, the pressure of squeezing is 0.3~0.4MPa, such as 0.36MPa；
Preferably, during manufacturing paper with pulp, the pressure of carrying roller is 0.3~0.4MPa, such as 0.39MPa；
Preferably, quantification of 60~70g/m of reconstituted tobacco chip base2, such as 62~65g/m2。
Fourth aspect present invention provides a kind of reconstituted tobacco chip base, is made of paper pulp any one of of the invention；
Preferably, quantification of 60~70g/m2, such as 62~65g/m2。
Preferably, be averaged capillary imbibition height are as follows: 17~21mm/10min, such as 18~21mm/10min, then for example
19~21mm/10min.
Preferably, tensile strength is 0.18~0.26KN/m, such as 0.2~0.26KN/m, then such as 0.22~
0.25KN/m。
Fifth aspect present invention provides a kind of reconstituted tobacco, is obtained by reconstituted tobacco chip base preparation any one of of the invention
?；
Preferably, the water content of the reconstituted tobacco is 11~12wt%.
Sixth aspect present invention provides a kind of pipe tobacco, is made by reconstituted tobacco any one of of the invention.
Seventh aspect present invention provides a kind of cigarette, and it includes pipe tobaccos any one of of the invention.
In one embodiment, the paper pulp of any one of present invention is prepared by method any one of of the invention.
In one embodiment, the paper pulp that any one of present invention method obtains is paper pulp of the invention.
In one embodiment, the concentration of slurry (such as tobacco pulp, plus fiber slurry, paper pulp) refers to: complete in slurry
The weight of portion's dry matter accounts for the percentage of slurry total weight.
The longitudinal direction of paper refers to: paper is in the preparation along paper machine operation direction；The transverse direction of paper refers to: paper web banner, namely hangs down
Directly in the direction of paper machine operation.
Unless stated otherwise, the percentage in embodiment is weight percentage.
Embodiment the utility model has the advantages that
One or more embodiments have it is following one or more the utility model has the advantages that
(1) the reconstituted tobacco chip base water absorption rate with higher of one or more embodiments, i.e., higher coating absorb
Rate；
(2) the paper pulp first-pass retention with higher of one or more embodiments；
(3) the reconstituted tobacco chip base of one or more embodiments and reconstituted tobacco have good tensile strength；
(4) gained reconstituted tobacco uniform color after the reconstituted tobacco chip base coating of one or more embodiments, without Bai Xin.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted a limitation of the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram that paper process prepares reconstituted tobacco.
Specific embodiment
It will refer to specific embodiments of the present invention in detail now.The example of specific embodiment is illustrated in the drawings.To the greatest extent
Pipe combines these specific embodiments description present invention, it is appreciated that being not intended to limit the invention to these specific embodiment parties
Case.On the contrary, these embodiments are intended to cover may include substitution in the spirit and range being defined by the claims, change
Change or equivalent embodiments.In the following description, elaborate a large amount of details in order to provide complete understanding of the present invention.
The present invention can be carried out in the case where not partly or entirely these details.In other cases, in order not to making this hair
It is bright unnecessarily to obscure, it is not described in well known technological operation.
Embodiment 1
1, tobacco pulp is obtained
It after 1a) extracting offal and tobacco leaf with hot water respectively, is separated by solid-liquid separation, obtains offal solid content and tobacco leaf solid content,
Offal solid content is mixed with tobacco leaf solid content by oven dry weight ratio 3:2, tobacco solid content is obtained；
1b) by tobacco solid content single-plate paste mill (Hunan is honest, YC600 series) defibering, 8-10 ° of beating degree is obtained
SR, the slurry of weight in wet base 7-11g；
1c) slurry is mixed with water after defibering, using drainage spiral (Kunming Xubang Mechanism Co., Ltd., GLC400 type) and is squeezed
Dry machine (Zibo all-pass, ZJS400 type) carries out three-level pulp washing to slurry to step 1b), obtains the slurry of 79~83wt% of moisture；
One of middle concentrated jordaning low dense defibrination with together with successively 1d) is carried out with slurry of the fiberizer to step 1c), obtains tobacco
Slurry, the beating degree of tobacco pulp is 28~32 ° of SR, weight in wet base is 3~4g, concentration 3.5wt%.
2, plus fiber slurry is obtained
Pulpboard commercially available from 2a), comprising: bamboo pulp plate (Hefei Jian Hua Trade Co., Ltd.), needlebush pulpboard (Shanghai only Hai Shiye
Co., Ltd, Lebistes reticulatus board), dissolution pulpboard (Ke board COSMO)；
2b) bamboo pulp plate and needle paddle board are mixed by oven dry weight ratio 5:3, after waterpower size degradation, with disc mill, (Hunan is honest
JM520) defibrination, being configured to concentration is 3.5% bamboo pulp-softwood pulp mixed slurry；
After will 2c) dissolving pulpboard waterpower size degradation, with disc mill (the honest JM520 in Hunan) not feed defibrination, it is configured to concentration
For 3.5% dissolution slurry.
Using the fiber parameters of Morfi fibre analyser (the silent winged generation of match) analysis Ke's board dissolving pulp, the results show that its fiber
Length is about 1024 μm, fiber width is about 25.1 μm, fibre coarseness is about 0.159mg/m.
2d) bamboo pulp-softwood pulp mixed slurry is mixed with dissolution slurry, so that wherein softwood pulp, bamboo pulp and dissolution
The ratio between oven dry weight of slurry is 5:3:2, obtains plus fiber slurry.
The beating degree of plus fiber slurry is 22-28 ° of SR, weight in wet base 9-10g, concentration 3.5%.
3, filler is obtained
Filler is precipitated calcium carbonate suspension, the concentration 20wt% of precipitated calcium carbonate.
4, tobacco pulp, plus fiber slurry and precipitated calcium carbonate suspension is mixed by 11:4.8:1 weight ratio (wet weight ratio)
It closes, carries out a refining defibrination (the good NB-00 in Liaoyang river), paper pulp needed for obtaining.
In the paper pulp, based on the weight of over dry substance, tobacco pulp, plus fiber slurry and filler the ratio between about 38.5:
16.8:20。
The beating degree of the paper pulp is 25 ± 2 ° of SR, and weight in wet base is 3.0 ± 0.2g, and concentration is 4.5 weight %.
5, the paper pulp of step 4) is manufactured paper with pulp into paper with paper machine (Shandong Hai Tian), obtains reconstituted tobacco chip base；During manufacturing paper with pulp,
Paper pulp online concentration is 0.7~0.8%, and squeeze pressure 0.36MPa, carrying roller pressure is 0.39MPa.Obtain embodiment 1 again
Tobacco leaf chip base is made, the quantification of 62-65g of the reconstituted tobacco chip base.
6, it is configured to coating fluid (density 1.190g/mL) using tobacco extract and base-material, with coating machine (Kunming rising sun nation machine
Tool Co., Ltd, BC28A type) the reconstituted tobacco chip base of embodiment 1 is coated, spreading rate 34.5-36.5%, it obtains again
Make the quantification of 90-100g/m of tobacco leaf2, moisture content is 11~12wt%.The reconstituted tobacco appearance luster of embodiment 1 uniformly, without white
Core.
Embodiment 2
Step is with embodiment 1, in addition in step 2: the ratio between oven dry weight of softwood pulp, bamboo pulp and dissolving pulp is 5:2:3.
Obtain the reconstituted tobacco chip base and reconstituted tobacco of embodiment 2.
The reconstituted tobacco appearance luster of embodiment 2 uniformly, without Bai Xin.
Embodiment 3
Step is with embodiment 1, in addition in step 2: dissolving pulp is using Ruian board paddle board (limited public affairs of easy international trade in Qingdao
Department), and the ratio between oven dry weight of softwood pulp, bamboo pulp and dissolving pulp is 5:2.5:2.5.
Used the fiber parameters of Morfi fibre analyser (the silent winged generation of match) analysis Ruian board dissolving pulp, fibre length
It is about 755 μm, fiber width is about 16.3 μm, and fibre coarseness is about 0.0803mg/m.
Obtain the reconstituted tobacco chip base and reconstituted tobacco of embodiment 3.
The reconstituted tobacco appearance luster of embodiment 3 uniformly, without Bai Xin.
Comparative example 1
Step is with embodiment 1, in addition in step 2: only containing bamboo pulp and softwood pulp, bamboo pulp and needle in plus fiber slurry
The ratio between oven dry weight of wood pulp is 1:1.
Obtain the reconstituted tobacco chip base and reconstituted tobacco of comparative example 1.
The reconstituted tobacco of comparative example 1: color is more uniform, there is slightly white core, if improving spreading rate, color evenness is deteriorated,
Bai Xin increases.
Analysis detection:
Dissolving pulp involved in Examples 1 to 3 and comparative example 1, paper pulp and reconstituted tobacco chip base and reconstituted tobacco are carried out
Analysis, analysis detection result are as shown in table 1 below.
Each index analysis method is as follows:
I) water absorption rate measures as follows: measurement (gram column of GB/T 461.1-2002 paper and cardboard capillary imbibition height
Nurse method).
Mean water absorption rate=(lateral water absorption rate+longitudinal direction water absorption rate) ÷ 2
Ii) first-pass retention measures as follows: in step 5), calculating the first-pass retention of paper pulp, initial journey is kept
Rate=(paper pulp online concentration-white water consistency)/paper pulp online concentration.
Iii) tensile strength measures as follows:
Instrument: electronic paper tensile testing machine
Determination step:
1) power on by power switch, testing machine is made to preheat 30min.
2) adjust electronic paper tensile testing machine detection folder away from be 100mm, tensile speed be 20mm/min ± 5mm/
Min should make 2-3 sample before formal experiment, guarantee sample fracture in (20 ± 3) s.
3) sample of step 2) (15 × 300mm of size) is placed in parallel in upper and lower folder, it is believed that after parallel, by upper folder
It tightens, fixed screw is pressed from both sides in release, take a reconstituted tobacco to be placed in lower folder, slight tension is given with hand, sample is straightened,
Then lower folder is tightened, starts to detect.
4) horizontal and vertical at least 10 effective testing results be should ensure that.Away from being broken within clamping opening 10mm, all read
It should scrap.
5) tensile strength is indicated with the arithmetic mean of instantaneous value of 10 valid data, as a result takes two effective digitals.
6) sample tensile strength unit is KN/m.
Mean tensile strength=(cross direction tensile strength+machine direction tensile strength) ÷ 2
Table 1
The longitudinal direction of paper refers to: paper is in the preparation along paper machine operation direction；The transverse direction of paper refers to: paper web banner, namely hangs down
Directly in the direction of paper machine operation.
As shown in Table 1, Examples 1 to 3 prepares reconstituted tobacco chip base and reconstruction using the plus fiber slurry containing dissolving pulp
Tobacco leaf has the advantages that compared with comparative example 1
(1) relative to the reconstituted tobacco chip base of comparative example 1, the water absorption rate of the reconstituted tobacco chip base of Examples 1 to 3 is mentioned
Height, mean water absorption rate have been respectively increased 21%, 17% and 5%；
(2) for the reconstituted tobacco chip base of comparative example 1, the average phase tensile strength of the reconstituted tobacco chip base of Examples 1 to 3
It decreases, but remains at 0.18KN/m or more, can satisfy production requirement；The reconstituted tobacco chip base of embodiment 1 is averaged
Tensile strength is 0.25KN/m, is not declined substantially, and machine direction tensile strength is even higher than comparative example 1；
(3) reconstituted tobacco relative to comparative example 1, the reconstituted tobacco color of Examples 1 to 3 is more evenly and without Bai Xin；
(4) paper pulp relative to comparative example 1, the paper pulp of Examples 1 to 3 first-pass retention when manufacturing paper with pulp are higher.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (30)
1. a kind of preparation method of reconstituted tobacco chip base, includes the steps that paper pulp manufacturing paper with pulp into paper；
The paper pulp includes:
Tobacco pulp, plus fiber slurry and filler, based on the weight of over dry substance, the weight of tobacco pulp, plus fiber slurry and filler
Than for 38~46:15~20:18~22；
Based on the weight of over dry substance, plus fiber slurry contains 40~60% softwood pulps, 20~40% bamboo pulps and 20~30%
Dissolving pulp；
The tobacco pulp has the feature that
The concentration of the tobacco pulp is 2~4%；
The beating degree of the tobacco pulp is 25~35 ° of SR；
The weight in wet base of the tobacco pulp is 2~5g；
The plus fiber slurry has the feature that
The concentration of the plus fiber slurry is 2~4%；
The beating degree of the plus fiber slurry is 20~30 ° of SR；
The weight in wet base of the plus fiber slurry is 8~11g；
The dissolving pulp has the feature that
The fibre length of the dissolving pulp is 600~1200 μm；
The fiber width of the dissolving pulp is 15~27 μm；
The fibre coarseness of the dissolving pulp is 0.06~0.2mg/m.
2. according to the method described in claim 1, it is characterized in that following one or more:
The beating degree of the paper pulp is 20~30 ° of SR；
The weight in wet base of the paper pulp is 2~4g；
The concentration of the paper pulp is 3~5wt%；
The first-pass retention of the paper pulp is 63~73%.
3. according to the method described in claim 1, it is characterized in that following one or more:
During manufacturing paper with pulp, the pressure of squeezing is 0.3~0.4MPa；
During manufacturing paper with pulp, the pressure of carrying roller is 0.3~0.4MPa.
4. according to the method described in claim 1, quantification of 60~70 g/m of reconstituted tobacco chip base2。
5. according to the method described in claim 1, quantification of 62~65g/m of reconstituted tobacco chip base2。
6. according to the method described in claim 1, tobacco pulp, plus fiber are starched and the weight of filler based on the weight of over dry substance
Amount is than being 38~40:16~18:19~21.
7. according to the method described in claim 1, the paper pulp has following one or more features:
The beating degree of the paper pulp is 23~27 ° of SR；
The weight in wet base of the paper pulp is 2.8~3.2g；
The concentration of the paper pulp is 3~4wt% or 4~5wt%；
The first-pass retention of the paper pulp is 64~70%.
8. according to the method described in claim 1, the concentration of the tobacco pulp is 3~4%；
9. according to the method described in claim 1, the beating degree of the tobacco pulp is 28~32 ° of SR；
10. according to the method described in claim 1, the weight in wet base of the tobacco pulp is 3~4g.
11. according to the method described in claim 1, plus fiber slurry has following one or more features:
The concentration of the plus fiber slurry is 3~4%；
The beating degree of the plus fiber slurry is 22~28 ° of SR；
The weight in wet base of the plus fiber slurry is 9~10g.
12. according to the method described in claim 1, the filler includes calcium carbonate.
13. according to the method for claim 11, the filler includes powdered whiting and/or precipitated calcium carbonate.
14. according to the method for claim 11, the filler is the suspension of precipitated calcium carbonate in water, precipitated calcium carbonate
Content be 15~25%.
15. according to the method described in claim 1, the fibre length of the dissolving pulp is 900~1100 μm.
16. according to the method described in claim 1, the dissolving pulp has following one or more features:
The fiber width of the dissolving pulp is 22~27 μm；
The fibre coarseness of the dissolving pulp is 0.13~0.2mg/m.
17. according to the method described in claim 1, the preparation method of paper pulp includes following one or more steps:
A) tobacco pulp is obtained；
It will be separated by solid-liquid separation after tobacco material flooding, take solid content, through the one or more steps in defibering, pulp washing, defibrination, obtained
Tobacco pulp；
B) plus fiber slurry is obtained；
Bamboo pulp pulpboard, softwood pulp pulpboard and dissolving pulp pulpboard are obtained through the one or more steps in waterpower size degradation, defibrination, mixing
Obtain plus fiber slurry；
C) tobacco pulp, plus fiber slurry are mixed with filler.
18. a kind of reconstituted tobacco chip base is made of the method for any one of claim 1~17.
19. reconstituted tobacco chip base according to claim 18, quantification of 60~70g/m2。
20. reconstituted tobacco chip base according to claim 18, quantification of 62~65g/m2。
21. reconstituted tobacco chip base according to claim 18, be averaged capillary imbibition height are as follows: 17~21mm/10min.
22. reconstituted tobacco chip base according to claim 18, be averaged capillary imbibition height are as follows: 18~21mm/10min.
23. reconstituted tobacco chip base according to claim 18, be averaged capillary imbibition height are as follows: 19~21mm/10min.
24. reconstituted tobacco chip base according to claim 18, tensile strength is 0.18~0.26kN/m.
25. reconstituted tobacco chip base according to claim 18, tensile strength is 0.2~0.26kN/m.
26. reconstituted tobacco chip base according to claim 18, tensile strength is 0.22~0.25kN/m.
27. a kind of reconstituted tobacco is prepared by the reconstituted tobacco chip base of claim 18.
28. reconstituted tobacco according to claim 27, the water content of the reconstituted tobacco is 11~12wt%.
29. a kind of pipe tobacco is made by the reconstituted tobacco of claim 28.
30. a kind of cigarette, it includes the pipe tobaccos of claim 29.
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| CN107476120A (en) * | 2017-06-30 | 2017-12-15 | 安徽中亚纸业有限公司 | A kind of modified pulp |
| CN108236126B (en) * | 2018-01-09 | 2020-10-23 | 福建金闽再造烟叶发展有限公司 | Pulping process, prepared pulp and application thereof |
| CN112471578B (en) * | 2020-11-27 | 2022-10-21 | 云南中烟工业有限责任公司 | Preparation method of reconstituted tobacco carrier |
| CN115644488A (en) * | 2022-11-07 | 2023-01-31 | 上海烟草集团有限责任公司 | Preparation method of reconstituted tobacco |
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