CN111789279B - Preparation method of tobacco leaf-imitated reconstituted tobacco - Google Patents
Preparation method of tobacco leaf-imitated reconstituted tobacco Download PDFInfo
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- CN111789279B CN111789279B CN202010719875.2A CN202010719875A CN111789279B CN 111789279 B CN111789279 B CN 111789279B CN 202010719875 A CN202010719875 A CN 202010719875A CN 111789279 B CN111789279 B CN 111789279B
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- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
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- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
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Abstract
The invention relates to a preparation method of a tobacco leaf-imitated reconstituted tobacco, which comprises the following steps: soaking plant materials in hot water, performing solid-liquid separation to obtain plant extract and plant fibers, filtering and concentrating the plant extract to obtain concentrated solution, adding perfume to prepare coating liquid, pulping the plant fibers to obtain plant pulp, blending the plant pulp with wood pulp to obtain pulp, forming the pulp on a net, sprinkling chopped hemp staple fibers in the forming process, drying, coating the coating liquid, drying, and slicing to obtain the finished product. The method is simple, convenient and feasible, the reconstituted tobacco produced by the method solves the problem that the surface of the cylinder adhered to the tobacco produced by the traditional method is smooth, the tobacco is convenient to slice in the tobacco slicing process, the slip sheet phenomenon in the slicing process is improved, the filament forming rate of the reconstituted tobacco is improved, meanwhile, the hemp threads form vein-like textures on the surface, the appearance of the hemp threads has higher similarity with the naturally grown tobacco, and the reconstituted tobacco is more easily accepted by consumers for the shape of the tobacco after being added into cigarettes.
Description
Technical Field
The invention belongs to the technical field of reconstituted tobacco, and particularly relates to a preparation method of tobacco-imitated reconstituted tobacco.
Background
The reconstituted tobacco is a tobacco material suitable for being added to cigarette sections in the cigarette production and processing process. At present, the reconstituted tobacco is generally produced by adopting a paper-making method production process in China, waste materials in the tobacco adding process, such as tobacco fragments, tobacco stems, tobacco powder and the like, are generally used, a solvent is adopted for soaking and extracting, then solid-liquid separation is carried out, liquid parts are concentrated into paste, then spices are added to prepare coating liquid, the separated solid parts are prepared into substrates by adopting a traditional paper-making method, then the coating liquid is coated on the substrates, dried and cut into sheets, and the sheets are also called as tobacco sheets.
The paper-making reconstituted tobacco in China has already formed a certain scale through the development of more than ten years, the use of the paper-making reconstituted tobacco in the cigarette industry is on the rise year by year, and the use of the reconstituted tobacco in a larger proportion is the industry development trend from the viewpoint of improving the utilization rate of raw materials and reducing the tar release amount of cigarettes. Due to the process limitation of the reconstituted tobacco produced by the paper-making method, after a substrate made of the pulp is transferred from a net part to a drying cylinder, the smoothness of the surface attached to the cylinder is higher after the substrate is subjected to squeezing dehydration and drying by the drying cylinder and the surface attached to the cylinder is subjected to the action of dry net pressure. When the reconstituted tobacco is used in the tobacco shred making process of a cigarette factory, the reconstituted tobacco is usually independently shredded as a raw material. When the smooth surfaces of the reconstituted tobacco are attached together and cut into shreds by the shredding machine, the friction force between the attached smooth surfaces is small, and a slip sheet is easy to form, so that part of the reconstituted tobacco is not cut into shreds, and the shredding rate is low. In recent years, in order to enrich the aroma type of reconstituted tobacco or improve the smoking quality, various natural plants are also applied to raw materials for producing the reconstituted tobacco, and the natural plants with short fibers are easier to cause the surface of a formed sheet to be smooth in the manufacturing process of a substrate. Therefore, a method for reducing the surface smoothness of the reconstituted tobacco needs to be found, and the shredding rate of the reconstituted tobacco after the plant raw materials are applied is improved.
At present, the phenomenon of slip sheets is fed back when domestic cigarette enterprises reproduce tobacco leaves by a paper-making method, so that the cut tobacco rate is reduced, and the loss is increased. Related researches are carried out to improve the smoothness of products by adopting an exogenous method through the innovation of a product processing method. An invention patent (publication No. CN 104432478B) applied by Wanghaya et al is a method for reducing smoothness of paper-making reconstituted tobacco, which is to flatly lay reconstituted tobacco products in a hot air drying box layer by layer, and dry the reconstituted tobacco products by a hot air drying method at 100 +/-1 ℃ until the moisture content is 7-8 percent, thereby realizing reduction of the smoothness of the paper-making reconstituted tobacco; the invention patent (grant publication number: CN103230088B) applied by the Zhou national seal et al is a method for reducing the difference between two sides of paper-making reconstituted tobacco, which humidifies the back side coating liquid by adopting a mode of spraying atomized tap water quantitatively on the back side of a coated substrate by an atomizing nozzle, increases the fluidity of the back side coating liquid of a sheet, promotes the back side coating liquid to further permeate to the front side, achieves the uniform coating weight of the front side and the back side, and eliminates the difference between two sides of the sheet.
The invention patent (granted publication No. CN102423124B) of Liyuanshi et al uses non-tobacco plants as raw materials, and makes solid-liquid separation after soaking in hot water, the extract is dissolved in ethanol and then concentrated by low-temperature sedimentation, and then the concentrated solution is coated on a substrate made of wood pulp to make tobacco sheet, and the plant fiber after solid-liquid separation is not further utilized.
Disclosure of Invention
The invention aims to provide a preparation method of reconstituted tobacco with imitated natural tobacco leaf shape, the reconstituted tobacco product produced by the method has low surface smoothness and high friction coefficient, and simultaneously has natural vein textures of the imitated tobacco leaf, and the product shape is closer to the physical appearance of the natural tobacco leaf compared with the traditional reconstituted tobacco leaf.
The technical scheme adopted by the invention is as follows:
a preparation method of a tobacco leaf-imitated reconstituted tobacco comprises the following steps:
(1) adding hot water of 60-70 ℃ into the plant raw materials for soaking, extracting for 2 times by adopting a continuous countercurrent extraction method, extracting for 30-40 min each time, and separating solid from liquid by adopting centrifugal separation to obtain plant extract and plant fibers;
(2) sequentially filtering the plant extracting solution obtained in the step (1) by using a 60-mesh screen and a 300-mesh screen to remove residual fine plant raw materials, concentrating the filtered plant extracting solution by adopting a vacuum reduced pressure concentration method at the temperature of 60-70 ℃ and the vacuum degree of 80-90 kPa to obtain a concentrated solution with the density of 1.10-1.20 g/ml, and adding 1-3% of perfume by mass to prepare a coating solution;
(3) adding the plant fiber obtained in the step (1) into normal temperature water to enable the concentration of the plant fiber to reach 3%, and pulping the plant fiber by using a disc grinder until the pulping degree is 25-30 DEG SR and the wet weight is 3.0-3.5 g;
(4) performing hydraulic pulping on the wood fibers, adjusting the concentration of the wood fibers to 3%, and performing low-concentration pulping to obtain wood pulp with the pulping degree of 30-40 DEG SR and the wet weight of 3.5-4.0 g;
(5) after being opened by a fiber opener, the hemp filaments are cut into hemp filament short fibers by a fiber cutting machine;
(6) dissolving the adhesion promoter into a solution with a certain concentration by using tap water, and swelling for 4 hours for later use;
(7) uniformly mixing the plant pulp prepared in the step (3) and the wood pulp prepared in the step (4) according to a certain proportion, adding a certain proportion of calcium carbonate as a filler to prepare a slurry, conveying the slurry to a head box by a fan pump, adding an adhesion promoter solution with 5% volume ratio of the upper slurry at the head box, and forming on a forming net of a fourdrinier;
(8) uniformly spraying the chopped flax fiber prepared in the step (5) on a formed paper base in a forming mesh vacuum water filtering box through a vibrating screen according to a certain proportion, drying the paper base to certain dryness through a drying cylinder after vacuum pressing, wherein the heating surface in contact with the drying cylinder is the paper base surface on which the flax fiber is distributed;
(9) and (3) coating the coating liquid prepared in the step (2) on the paper base prepared in the step (8), drying until the water content is 10-12%, and cutting into sheets with the length and the width of 30-40 mm to obtain finished products.
Preferably, in the step (1), the mass ratio of the plant raw materials to the hot water is 1: 4-7.
Preferably, in the step (1), the plant raw material is one or a mixture of more of tobacco stem, tobacco fragment, tobacco powder, lotus leaf and perilla leaf.
Preferably, in the step (5), the hemp fiber is one or a mixture of sisal fiber, abaca fiber and pineapple fiber.
Preferably, in the step (5), the length of the hemp short fiber is 15-30 mm.
Preferably, in the step (6), the adhesion promoter is a sodium alginate solution with a concentration of 0.05-0.1%.
Preferably, in the step (7), the relative proportion of the plant pulp to the wood pulp is 4-9: 1, the addition proportion of the calcium carbonate to the oven-dried pulp is 10-15%.
Preferably, in the step (8), the vacuum degree of the forming mesh vacuum water filtering box is 5-10 kpa, the vacuum degree of the vacuum pressing is 20-50 kpa, and the dryness after drying is 60-70%.
Preferably, in the step (8), the addition amount of the short hemp fiber sprayed on the formed paper base is 3-7% of the mass of the oven-dry pulp.
The invention also provides the tobacco sheet prepared by the preparation method.
Compared with the prior art, the invention has the following advantages:
(1) the method is simple, convenient and feasible, and the raw materials are all from plant fibers, so that the method is safe and reliable. The reconstituted tobacco produced by the method solves the problem that the surface of the sticking cylinder produced by the traditional method is smooth, is convenient for slicing in the tobacco shred making process of cigarettes, improves the slip sheet phenomenon in the slicing process and improves the tobacco shred forming rate of the reconstituted tobacco;
(2) the reconstituted tobacco produced by the method has the surface with natural vein-falling textures similar to tobacco leaves, has high similarity with the naturally-grown tobacco leaves in physical appearance, and is easier to accept the tobacco shred shapes by consumers when added and used in cigarettes.
Drawings
FIG. 1 is a schematic view of a process flow before and after forming a substrate according to the present invention;
in the figure, 1-a head box, 2-a forming net, 3-a vacuum water filtering box, 4-a vibrating screen, 5-a press roll and 6-a drying cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase.
Example 1
(1) Mixing tobacco stems and tobacco fragments into a plant raw material according to the mass ratio of 1:1, adding hot water of 60 ℃ of 5 times of the mass ratio for soaking, extracting for 2 times by adopting a continuous countercurrent extraction method, extracting for 30min each time, and separating solid from liquid by adopting a centrifugal separation method to obtain plant extracting solution and plant fibers;
(2) sequentially filtering the plant extracting solution obtained in the step (1) by using 60-mesh and 300-mesh filter screens to remove residual fine plant raw materials, concentrating the filtered plant extracting solution by using a vacuum reduced pressure concentration method at the temperature of 70 ℃ and the vacuum degree of 85kPa through a concentration pot to obtain concentrated solution with the density of 1.15g/ml, and adding 3% of cigarette flavor by mass to prepare coating liquid;
(3) adding the plant fiber obtained in the step (1) into normal temperature water to enable the concentration of the plant fiber to reach 3%, and pulping the plant fiber by using a disc grinder until the pulping degree is 30 DEG SR and the wet weight is 3.0 g;
(4) performing hydraulic pulping on the wood fiber, adjusting the concentration of the wood fiber to 3 percent, and performing low-concentration pulping to obtain wood pulp with the pulping degree of 35 DEG SR and the wet weight of 3.5 g;
(5) after the sisal fibers are opened by an opener, the sisal fibers are cut into fibers with the length of 15-25 mm by a fiber cutting machine;
(6) dissolving sodium alginate into 0.1% adhesion promoter solution with tap water, and swelling for 4 hr;
(7) mixing the plant pulp prepared in the step (3) and the wood pulp prepared in the step (4) according to the weight ratio of 9: 1, adding calcium carbonate which is 10 percent of the absolute dry pulp as a filling material to prepare a finished pulp, flushing the finished pulp to a head box, adding an adhesion promoter solution which is 5 percent of the volume of the upper pulp at the head box, and uniformly distributing the mixture to a forming net of a fourdrinier machine through a pulp flowing box to form;
(8) uniformly spraying the sisal fiber yarns prepared in the step (5) on the formed paper base by a vibrating screen according to a proportion of 5% after passing through a forming net vacuum water filtering box;
(9) and (2) after the formed paper base is subjected to vacuum squeezing by a squeezing roller, transferring the paper base to a drying cylinder for drying until the moisture content is about 25-35%, coating the coating liquid prepared in the step (1) on the paper base, drying until the moisture content is 10-12%, and cutting into sheet-shaped reconstituted tobacco finished products with the size of 30 x 30 mm.
Example 2
(1) Mixing folium Nelumbinis and folium Perillae at a mass ratio of 1:1 to obtain plant material, soaking in 6 times of 70 deg.C hot water, extracting for 40min for 2 times by continuous countercurrent extraction method, and performing solid-liquid separation by centrifugal separation to obtain plant extractive solution and plant fiber;
(2) sequentially filtering the plant extracting solution obtained in the step (1) by using 60-mesh and 300-mesh filter screens to remove residual fine plant raw materials, concentrating the filtered plant extracting solution by a vacuum reduced pressure concentration method at the temperature of 70 ℃ and the vacuum degree of 85kPa through a concentration pot to obtain concentrated solution with the density of 1.15g/ml, and adding 3% of tobacco flavor by mass to prepare coating liquid;
(3) adding the plant fiber obtained in the step (1) into normal temperature water to enable the concentration of the plant fiber to reach 3%, and pulping the plant fiber by using a disc grinder until the pulping degree is 28 DEG SR and the wet weight is 3.2 g;
(4) pulping the wood fiber by using hydraulic power, adjusting the concentration of the wood fiber to 3 percent, and pulping the wood fiber by using low concentration to obtain wood pulp with the pulping degree of 40 DEG SR and the wet weight of 3.0 g;
(5) after the abaca fiber is opened by an opener, the abaca fiber is cut into fiber filaments with the length of 20-30 mm by a fiber cutting machine; (6) dissolving sodium alginate into 0.08 percent of adhesion promoter solution by using tap water, and swelling for 4 hours for later use; (7) uniformly mixing the plant pulp prepared in the step (3) and the wood pulp prepared in the step (4) according to a ratio of 4:1, adding calcium carbonate which is 10% of the absolute dry pulp as a filling material to prepare a formed pulp, flushing the formed pulp to a head box, adding an adhesion promoter solution which is 5% of the volume of the upper pulp at the head box, and uniformly distributing the solution on a forming net of a fourdrinier machine through a pulp flowing box to form;
(8) uniformly spreading the abaca fiber filaments prepared in the step (5) on a formed paper base by a vibrating screen according to a proportion of 4% after the abaca fiber filaments are placed in a forming net vacuum water filtering box;
(9) and (2) after the formed paper base is subjected to vacuum squeezing by a squeezing roller, transferring the paper base to a drying cylinder for drying to a certain dryness, coating the coating liquid prepared in the step (1) on the paper base, drying to 10-12% of water, and cutting into sheet reconstituted tobacco finished products with the size of 30 x 30 mm.
Example 3
(1) Soaking folium Perillae as plant material in 60 deg.C hot water at a mass ratio of 1:7 times, extracting for 2 times by continuous countercurrent extraction method for 40min each time, and performing solid-liquid separation by centrifugal separation to obtain plant extractive solution and plant fiber;
(2) sequentially filtering the plant extracting solution obtained in the step (1) by using 60-mesh and 300-mesh filter screens to remove residual fine plant raw materials, concentrating the filtered plant extracting solution by using a vacuum reduced pressure concentration method at the temperature of 70 ℃ and the vacuum degree of 85kPa through a concentration pot to obtain concentrated solution with the density of 1.18g/ml, and adding 3% of cigarette flavor by mass to prepare coating liquid;
(3) adding the plant fiber obtained in the step (1) into normal temperature water to enable the concentration of the plant fiber to reach 3%, and pulping the plant fiber by using a disc grinder until the pulping degree is 25 DEG SR and the wet weight is 3.5 g;
(4) pulping the wood fiber by using hydraulic power, adjusting the concentration of the wood fiber to 3 percent, and pulping the wood fiber by using low concentration to obtain wood pulp with the beating degree of 30 DEG SR and the wet weight of 4.0 g;
(5) opening the pineapple fibers by an opener, and then cutting the pineapple fibers into fiber filaments with the length of 20-30 mm by a fiber cutting machine; (6) dissolving sodium alginate into 0.1% adhesion promoter solution with tap water, and swelling for 4 hr; (7) mixing the plant pulp prepared in the step (3) and the wood pulp prepared in the step (4) according to the ratio of 4:1, adding calcium carbonate with a proportion of 12 percent relative to the oven-dry pulp as a filling material to prepare a finished pulp, flushing the finished pulp to a head box, adding an adhesion promoter solution with a volume of 5 percent relative to the volume of the upper pulp at the head box, and uniformly distributing the solution on a forming net of a fourdrinier through a pulp flowing box to form;
(8) uniformly spraying the pineapple fiber filaments prepared in the step (5) on the formed paper base through a vibrating screen in a forming mesh vacuum water filtering box according to a proportion of 5%;
(9) and (2) after the formed paper base is subjected to vacuum squeezing by a squeezing roller, transferring the paper base to a drying cylinder for drying until the moisture content is 25-30%, coating the coating liquid prepared in the step (1) on the paper base, drying until the moisture content is 10-12%, and cutting into sheet-shaped reconstituted tobacco finished products with the size of 30 x 30 mm.
Example 4
(1) Mixing tobacco powder, lotus leaf and perilla leaf according to the proportion of 1: 1:1 as plant raw materials, adding 4 times of hot water at 65 ℃ by mass ratio, soaking, extracting for 2 times by adopting a continuous countercurrent extraction method, extracting for 40min each time, and performing solid-liquid separation by adopting a centrifugal separation method to obtain plant extract and plant fiber;
(2) sequentially filtering the plant extracting solution obtained in the step (1) by using 60-mesh and 300-mesh filter screens to remove residual fine plant raw materials, concentrating the filtered plant extracting solution by a vacuum reduced pressure concentration method at 65 ℃ and 90kPa in a concentration pot to obtain concentrated solution with the density of 1.15g/ml, and adding 3% of tobacco flavor by mass to prepare coating liquid;
(3) adding the plant fiber obtained in the step (1) into normal temperature water to enable the concentration of the plant fiber to reach 3%, and pulping the plant fiber by using a disc grinder until the pulping degree is 30 DEG SR and the wet weight is 3.2 g;
(4) performing hydraulic pulping on the wood fiber, adjusting the concentration of the wood fiber to 3 percent, and performing low-concentration pulping to obtain wood pulp with the pulping degree of 32 DEG SR and the wet weight of 3.6 g;
(5) after the sisal fibers and the abaca fibers are opened by an opener and blended according to the weight ratio of 1:1, the sisal fibers and the abaca fibers are cut into mixed fiber filaments with the length of 20-30 mm by a fiber cutting machine;
(6) dissolving sodium alginate into 0.08 percent of adhesion promoter solution by using tap water, and swelling for 4 hours for later use; (7) mixing the plant pulp prepared in the step (3) and the wood pulp prepared in the step (4) according to the ratio of 8: 1, adding calcium carbonate which is 10 percent of the absolute dry pulp as a filling material to prepare a finished pulp, flushing the finished pulp to a head box, adding an adhesion promoter solution which is 5 percent of the volume of the upper pulp at the head box, and uniformly distributing the mixture on a forming net of a fourdrinier machine through a pulp flowing box to form;
(8) uniformly spraying the mixed fiber yarn prepared in the step (5) on the formed paper base by a vibrating screen according to a proportion of 5% after the mixed fiber yarn is placed in a forming net vacuum water filtering box;
(9) and (2) after the formed paper base is subjected to vacuum squeezing by a squeezing roller, transferring the paper base to a drying cylinder for drying until the moisture content is 20-30%, coating the coating liquid prepared in the step (1) on the paper base, drying until the moisture content is 10-12%, and cutting into sheet reconstituted tobacco finished products with the size of 30 x 30 mm.
The following test is a comparison of the smoothness and friction coefficient before and after the reconstituted tobacco is subjected to the method of the invention;
1. test materials: the reconstituted tobacco used for the test is a comparison sample before and after the adhesion promoter and the hemp fiber are added on the same production line.
2. The test instrument: smoothness measuring instrument (TMI, usa), coefficient of friction instrument (electromechanical technologies, ltd, south-east china).
3. The determination method comprises the following steps:
the sampling method comprises the following steps: GB/T450-
Smoothness determination method: GB/T456-2002 "paper and cardboard smoothness determination (Baker method)
Method for measuring coefficient of friction: GB/T22895-2008 plane method for determining static and dynamic friction coefficients of paper and paperboard
4. Test results
Table 1 shows the comparison between the smoothness and the friction coefficient of the reconstituted tobacco before and after the method is adopted, and through the method, the smoothness of the reconstituted tobacco is reduced, and the friction coefficient is increased.
TABLE 1 comparison of smoothness and coefficient of friction between samples of examples 1-4 without adhesion promoter and hemp fiber and samples made according to the invention
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A preparation method of a tobacco leaf-imitated reconstituted tobacco is characterized by comprising the following steps:
(1) adding hot water of 60-70 ℃ into the plant raw materials for soaking, wherein the mass ratio of the plant raw materials to the hot water is 1: 4-7; extracting for 2 times by adopting a continuous countercurrent extraction method, extracting for 30-40 min each time, and performing solid-liquid separation by adopting centrifugal separation to obtain plant extract and plant fiber; the plant raw material is one or a mixture of more of tobacco stems, tobacco fragments, tobacco powder, lotus leaves and perilla leaves;
(2) sequentially filtering the plant extract obtained in the step (1) by using a 60-mesh screen and a 300-mesh screen to remove residual fine plant raw materials, concentrating the filtered plant extract into a concentrated solution with the density of 1.10-1.20 g/ml by adopting a vacuum reduced pressure concentration method under the conditions that the temperature is 60-70 ℃ and the vacuum degree is 80-90 KPa, and adding 1-3% of perfume according to the mass ratio to prepare a coating liquid;
(3) adding the plant fiber obtained in the step (1) into normal temperature water to enable the concentration of the plant fiber to reach 3%, and pulping the plant fiber by using a disc grinder until the pulping degree is 25-30 DEG SR and the wet weight is 3.0-3.5 g;
(4) performing hydraulic pulping on the wood fibers, adjusting the concentration of the wood fibers to 3%, and performing low-concentration pulping to obtain wood pulp with the pulping degree of 30-40 DEG SR and the wet weight of 3.5-4.0 g;
(5) after the hemp filaments are opened by a fiber opener, the hemp filaments are cut into hemp filament short fibers with the length of 15-30 mm by a fiber cutting machine;
(6) dissolving the adhesion promoter into a sodium alginate solution with the concentration of 0.05-0.1% by using tap water, and swelling for 4 hours for later use;
(7) and (3) mixing the plant pulp prepared in the step (3) with the wood pulp prepared in the step (4) according to the ratio of 4-9: 1, adding a certain proportion of calcium carbonate as a filler to prepare into slurry, wherein the adding proportion of the calcium carbonate to the oven-dry slurry is 10-15%; delivering the formed pulp to a high-position box by a fan pump, adding an adhesion promoter solution with 5% of pulp volume ratio on the high-position box, and forming on a forming net of a fourdrinier paper machine;
(8) uniformly spraying the hemp staple fibers prepared in the step (5) on a formed paper base in a forming mesh vacuum water filtering box through a vibrating screen according to a certain proportion, drying the paper base to certain dryness through a drying cylinder after vacuum pressing, wherein the heating surface in contact with the drying cylinder is the paper base surface on which the hemp staple fibers are distributed; the vacuum degree of the forming net vacuum water filtering box is 5-10 KPa, the vacuum degree of vacuum pressing is 20-50 KPa, the dryness after drying is 60-70%, and the addition amount of the hemp staple fibers sprayed on the formed paper base is 3-7% of the mass of the oven dry pulp;
(9) and (3) coating the coating liquid prepared in the step (2) on the paper base prepared in the step (8), drying until the water content is 10-12%, and cutting into sheets with the length and the width of 30-40 mm to obtain finished products.
2. The method for preparing the tobacco-like reconstituted tobacco according to claim 1, wherein the hemp thread in the step (5) is one or a mixture of sisal hemp fiber thread, abaca hemp fiber thread and pineapple fiber thread.
3. A reconstituted tobacco of a tobacco-imitating profile obtained by the production process according to any one of claims 1 to 2.
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1004842A (en) * | 1973-09-10 | 1977-02-08 | Olin Corporation | Tobacco substitute |
| CN102835731A (en) * | 2012-07-24 | 2012-12-26 | 云南瑞升烟草技术（集团）有限公司 | Paper-making method reconstituted tobacco with stripes or patterns |
| CN103082396A (en) * | 2013-03-05 | 2013-05-08 | 中国烟草总公司郑州烟草研究院 | Manufacturing technique of tobacco remaking with fold paper-making method |
| CN103469691A (en) * | 2013-09-06 | 2013-12-25 | 湖北中烟工业有限责任公司 | Preparation method of natural tobacco texture cigarette paper |
| CN104432478B (en) * | 2014-09-28 | 2016-04-27 | 云南中烟工业有限责任公司 | A kind of method reducing papermaking-method reconstituted tobaccos smoothness |
| CN107927898A (en) * | 2017-11-08 | 2018-04-20 | 湖北中烟工业有限责任公司 | A kind of compounded mix for improving reconstituted tobacco surface friction property and its application |
| CN107981405B (en) * | 2017-12-12 | 2020-03-10 | 湖北中烟工业有限责任公司 | Preparation method and application of cigarette without burning by heating |
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