WO2011127678A1 - 烟用薄片及其制备方法与卷烟 - Google Patents

烟用薄片及其制备方法与卷烟 Download PDF

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Publication number
WO2011127678A1
WO2011127678A1 PCT/CN2010/073560 CN2010073560W WO2011127678A1 WO 2011127678 A1 WO2011127678 A1 WO 2011127678A1 CN 2010073560 W CN2010073560 W CN 2010073560W WO 2011127678 A1 WO2011127678 A1 WO 2011127678A1
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WO
WIPO (PCT)
Prior art keywords
sheet
slurry
tobacco
agricultural
product
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Application number
PCT/CN2010/073560
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English (en)
French (fr)
Inventor
赵保军
方维远
李森盛
谢旭东
林芬芬
吴晓东
Original Assignee
厦门中海钓台生物工程有限公司
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Application filed by 厦门中海钓台生物工程有限公司 filed Critical 厦门中海钓台生物工程有限公司
Publication of WO2011127678A1 publication Critical patent/WO2011127678A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff
    • A24B13/02Flakes or shreds of tobacco
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10Chemical features of tobacco products or tobacco substitutes
    • A24B15/12Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/285Treatment of tobacco products or tobacco substitutes by chemical substances characterised by structural features, e.g. particle shape or size

Definitions

  • the invention relates to the technical field of cigarette processing, in particular to a sheet for tobacco, a preparation method thereof and a cigarette. Background technique
  • the additive is added directly to the filter material or to a binary (or multi-component) composite filter.
  • a binary (or multi-component) composite filter For example: adding an inorganic carrier or acetate fiber loaded with an ionic liquid to a cellulose acetate filter to form a binary composite nozzle, which can selectively reduce the phenol content in the cigarette smoke; for example:
  • the pore material is used as an additive material for cigarette filters to adsorb nitrosamines in cigarettes.
  • the solid additive is made into fine powder and added to the shredded tobacco to be fully stirred to be mixed, or the liquid (or suspension) additive is added to the shredded tobacco in the form of spray.
  • the purified, modified and composite submicron modified sepiolite composite additive is held into the tobacco, and its adsorption is used to adsorb harmful components in the cigarette.
  • the invention provides a flake sheet, wherein the flake sheet is added with a harm reducing additive, which can be directly added It is added to the tobacco, and can even be directly used for processing cigarettes, so that the harm-reducing component of the harm-reducing additive is effectively used in the cigarette by using the tobacco sheet as a carrier, thereby solving the problem that the dosage of the harm-reducing additive is unstable and harmless in the prior art.
  • the problem of limited effect is conducive to the protection of smokers.
  • the present invention still further provides a cigarette to which the above-mentioned tobacco sheet is added, which is advantageous for reducing the injury to a smoker.
  • the present invention also provides a method of preparing the above-mentioned tobacco sheet.
  • the present invention provides a flake sheet which is based on agricultural by-products by the following method, and the preparation method comprises the following steps:
  • the agricultural by-product is placed in water at 60-80 ° C for a soaking treatment for 20-30 minutes to obtain an agricultural by-product swell, or the agricultural by-product is placed in normal temperature water for 0.5- 6 hours of soaking treatment to obtain agricultural by-product swell;
  • the agricultural by-product swell is subjected to twisting to obtain crude fibers of agricultural by-products
  • the obtained crude agricultural by-product fiber is placed in water of 60-80 ° C for washing treatment for 20-30 minutes to obtain agricultural by-product fiber, or the agricultural by-product crude fiber is placed in normal temperature water for time. For 30-60 minutes of washing treatment to obtain agricultural by-product fibers;
  • the agricultural by-product fiber is subjected to refining treatment to prepare an agricultural by-product slurry
  • the agricultural by-product slurry is mixed with the reinforced pulp slurry obtained by the refining treatment to prepare a slurry, so that the content of the reinforcing fiber slurry in the slurry is 0-40 wt%;
  • the above method also includes a process of preparing a slurrying process and/or adding a harm reducing additive to the sheet-based coating process.
  • the harm reduction additive used in the present invention is a common additive commonly known in the cigarette industry, and the selection and addition amount of the specific kind can be determined according to the prior art. Generally, the mass percentage of the harm reduction additive and the tobacco sheet can be Determined to be 0.001 to 40%.
  • the present invention also provides a cigarette, the combustible portion of the cigarette comprising at least a tobacco sheet processed using the above-mentioned tobacco sheet.
  • the tobacco flake silk has a content of 3 to 100% of the mass of the flammable portion of the cigarette, and the rest is shredded tobacco.
  • Agricultural by-products include crop straw, roots, stems, tea leaves, and tea stems that provide fibrous tissue. And herbs, etc., have a very wide range of raw materials.
  • the tobacco sheet provided by the invention can be directly applied to cigarettes. Specifically, if necessary, the flakes and the flake sheets can be respectively shredded, and then mixed in a certain ratio, or the flakes and the flake sheet can be pressed. The ratios are mixed and shredded together, and then the mixed silk rolls are made into cigarettes.
  • the cigarette provided by the present invention can also be processed using only the above-mentioned tobacco sheet (the tobacco sheet has a silk content of 100%), i.e., a more fashionable safe and healthy type of cigarette.
  • the good burning property of the tobacco sheet can improve the burning speed of the cigarette, and reduce the release amount of harmful substances such as carbon monoxide generated during the combustion of the cigarette, thereby reducing the harm;
  • the harm reducing additive is added in the process of preparing the flake flakes, and the harm reducing additive is added to the cigarette by using the flake flakes as a carrier.
  • the harm reduction effect of cigarettes is further improved, and various defects of adding harm reduction additives in the production of cigarettes are overcome.
  • FIG. 1 is a flow chart of a method for preparing a sheet for tobacco according to a first embodiment of the present invention
  • FIG. 2 is a flow chart of a method for preparing a sheet for tobacco provided in Embodiment 2 of the present invention
  • FIG. 3 is a flow chart of a method for preparing a cigarette according to a fourth embodiment of the present invention. detailed description
  • the technical scheme of the invention provides a preparation method for preparing flake sheets and a papermaking process in the papermaking industry There are certain similarities, so it can be implemented with reference to or using related equipment in the papermaking process, but those skilled in the art should understand that the functions of various devices in the papermaking process and the position in the technical solution of the present invention can be based on Adaptation changes are made by different processing processes and processing conditions.
  • FIG. 1 is a flow chart of a method for preparing a sheet for tobacco according to a first embodiment of the present invention. As shown in FIG. 1, the method of the embodiment includes:
  • Step 11 placing the agricultural by-product in hot water of 60-80 ° C for 30-30 minutes soaking to obtain agricultural by-product swelling, or placing agricultural by-products in normal temperature water (in the present invention) Also known as room temperature water) immersion treatment for 0.5-6 hours to obtain agricultural by-product swell; specifically, the selected agricultural by-products can be immersed in hot water containing 60-80 ° C Soak for 20-30 minutes in the pool, or immerse the selected agricultural by-products in a soaking tank filled with room temperature water for 0.5-6 hours to swell the fibers in agricultural by-products.
  • the agricultural by-products selected include crop straw, roots, stems, tea leaves, tea stalks, and herbaceous plants which can provide fibrous tissue. This embodiment does not limit this, and preferably includes reducing harmful components in cigarette smoke. Agricultural by-product of matter.
  • the liquid used for soaking agricultural by-products in this embodiment is hot water or room temperature water
  • the solvent extraction and separation technology is usually used in the preparation process of the existing papermaking tobacco sheets, which is bound to introduce new chemistry.
  • the reagent causes the obtained tobacco sheet to contain chemical residues, and the application to the cigarette affects the smoking taste of the cigarette, and also affects the harm reduction effect of the tobacco sheet. Therefore, in order to ensure that the prepared tobacco sheet is used in cigarettes
  • the obtained harm reduction effect in this embodiment, uses hot water or room temperature water as a soaking solvent.
  • the solution of the present invention can also select water soaking materials higher than room temperature but not higher than 80 ° C, and determine the appropriate soaking time according to the water temperature.
  • Step 12 The agricultural by-product swell is subjected to silk reeling to obtain crude fiber of agricultural by-product; after the agricultural by-product is immersed, the fiber therein has been swollen, and then the already swollen agricultural by-product can be sent through the conveying device. Into the reeling machine for silk processing, for subsequent operations.
  • Step 13 The crude agricultural by-product fiber is placed in hot water of 60-80 ° C for 20-30 minutes to obtain agricultural by-product fiber, or the agricultural by-product crude fiber is placed in normal temperature water for time. For 30-60 minutes of washing treatment to obtain agricultural by-product fibers; Specifically, the crude agricultural by-product fiber may be sent to a washing tank containing hot water of 60-80 ° C for 20-30 minutes to obtain agricultural by-product fibers, or the crude agricultural by-product fiber may be sent.
  • the washing process is carried out for 30-60 minutes in a washing tank containing normal temperature water to obtain agricultural by-product fibers, the purpose of which is to remove the hetero cells and some water-soluble substances in the crude fiber of the agricultural by-product, such as nitrogen-containing compounds, Achieve the purpose of purifying agricultural by-product fibers.
  • step 13 60-80 ° C hot water or normal temperature water is used as the washing solvent, instead of using chemical reagents, in order to avoid introducing chemical agents into the flake flakes, and avoiding solvent residue in the product, It is ensured that the prepared tobacco sheet is applied to the smoking style of the cigarette and the harm reduction effect of the tobacco sheet, and the separation and removal of the solvent are not required, and the operation process is completed.
  • the present invention can also select water above room temperature but not higher than 80 ° C as a washing solvent, and determine an appropriate washing time according to the water temperature.
  • Step 14 The agricultural by-product fiber is subjected to refining treatment to prepare an agricultural by-product slurry; specifically, the agricultural by-product fiber can be sent to a refiner by a pump for refining treatment to prepare an agricultural by-product slurry.
  • Step 15 mixing the agricultural by-product slurry with the reinforced pulp slurry obtained by the refining treatment to prepare a slurry.
  • This step is used to prepare a reinforced fiber slurry for the purpose of enhancing the strength of the prepared tobacco sheet.
  • the addition of the reinforcing fibers is selective, depending on the strength of the finished sheet obtained. In the slurry formation, the reinforcing fiber is added in an amount of 0 to 40% by weight, and the addition amount is preferably 20 to 40% by weight.
  • This embodiment provides a process for preparing a reinforced fiber slurry: a fiberboard of a selected material (for example, a wood fiberboard) is sent to a pulper for pulping, and then the pulped fiber is sent to a refiner. Refining to obtain a reinforced fiber slurry which can be used in the present invention.
  • the preparation of the reinforced fiber slurry can be carried out by a pulping method in a papermaking process, and a fiberboard which can be used for cigarettes from a safe and sucking mouthfeel can be selected as a raw material, and thus this embodiment will not be described in detail.
  • the process of preparing the slurry comprises: firstly, the agricultural by-product slurry and the reinforcing fiber slurry can be fed into the batching tank through the conveying pipeline to be thoroughly mixed; then, the mixed agricultural by-product slurry and the reinforcing fiber slurry are mixed.
  • the material is sent to the flushing tank, and the filler (such as light calcium carbonate) is added and diluted with water to a preset concentration, wherein the preset concentration refers to the solid content of the slurry, which can be set according to specific needs; Then, the diluted and mixed agricultural by-product slurry and the reinforced fiber slurry are sent to the high-level tank through a slurry pump, and a retention aid (for example, guar gum) is added thereto and uniformly mixed to prepare Slurry, this step provides the slurry required for the subsequent papermaking process.
  • a retention aid for example, guar gum
  • the high-position box can play the role of stabilizing the slurry pressure;
  • the role of the retention aid is to increase the retention rate of the slurry into the net, enhance the water filtration, to facilitate the papermaking, reduce the fine fibers and filler in the white water, to alleviate The burden of wastewater treatment.
  • the retention aid should be a retention aid in accordance with the tobacco industry standard known in the art, and the present invention is not limited to the specific selection thereof, and the addition amount is a conventional addition amount of the retention aid.
  • the harm reducing additive may be added as needed to prepare the tobacco sheet containing the harm reducing additive, and in this embodiment, the harm reducing additive is added to the preparation slurry forming section as an optional adding force port. One of the locations.
  • step 16 the slurry is formed into a sheet base, and the sheet base is subjected to a first drying, coating and second drying treatment to obtain a sheet for tobacco to be applied to the cigarette.
  • This step is for copying the slurry into a sheet base, and drying the sheet base, for example, to obtain a sheet base having a water content of 15 to 30%.
  • Applying a coating liquid on the dried sheet base (the selection and use of the coating liquid are all handled according to conventional techniques in the cigarette manufacturing industry), and drying the coated sheet base again.
  • a sheet for smoking is obtained.
  • the sheet base can be dried to obtain a sheet of tobacco having a water content of 10 to 13% and having a thickness of 0.3 to 0.4 mm.
  • the drying treatment comprises directly drying the sheet base formed by the copying to remove most of the moisture in the sheet base, and then feeding the dried sheet base into the coating tank, The prepared coating liquid is coated on the sheet base in the cloth groove, and then the sheet base coated with the coating liquid is dried again to obtain a tobacco sheet conforming to the standard, for example, the water content is divided into 10 ⁇ 13% of tobacco sheets.
  • the present embodiment may include a process of adding a harm reducing additive in a coating section for making a sheet base as needed.
  • the technical solution of the present invention must select at least one of the above-mentioned pulping section and the coating and coating section to add a harm reducing additive to prepare a tobacco sheet containing the harm reducing additive.
  • the harm reduction additive may be any feasible substance which can be used for a cigarette product and has an adsorption effect on harmful components in the flue gas, such as zeolite, mesoporous material, cyclodextrin, etc., and the technical solution of the present invention does not limit this.
  • the preparation method of the tobacco sheet provided in the embodiment is prepared by using agricultural by-products as raw materials.
  • the prepared flake flakes can be directly applied to cigarettes. Specifically, the flakes and the flake flakes are respectively shredded, and then mixed in a certain ratio, or the flakes and the flake flakes are mixed in a certain ratio and then shredded together. Then, the mixed silk is rolled into a cigarette.
  • the burning speed of the cigarette can be increased, and the release amount of harmful substances such as CO generated during the combustion of the cigarette can be reduced, thereby reducing the harm.
  • the present invention prepares tobacco flakes using agricultural by-products as raw materials, and further utilizes the harmful substances contained in the agricultural by-products to further improve the harm reducing effect.
  • the harm reduction additive is added to the tobacco sheet of the embodiment, and the harm reduction effect of the tobacco sheet in the cigarette can be further improved by using the harm reduction additive; in addition, the tobacco sheet is used as a carrier to reduce the damage additive.
  • the method of adding the harm reducing additive directly to the cut tobacco or the filter can avoid various defects of the prior art, for example: there is no tar covering filter in the mainstream smoke to reduce the additive activity. The problem; there is no problem that the sprayed solid additive on the tobacco is easy to fall off, or the dose of the sprayed liquid additive is limited.
  • the technical solution of the present invention can apply the tobacco sheet containing the harm reduction additive to the cigarette, and can fully exert the action of the harm reduction substance contained in the agricultural by-product itself and the additive harm reduction additive while improving the burning speed of the cigarette.
  • Effectively reducing the content of harmful substances in the generated flue gas not only reducing the content of harmful substances in the mainstream smoke, and reducing the content of harmful substances in the sidestream flue gas, therefore, the smoke of the present technology is used.
  • the application of flakes to cigarettes will simultaneously reduce the harmful effects of mainstream smoke and sidestream smoke.
  • the present embodiment provides several embodiments for adding a harm reducing additive in the above steps 15 and 16, as follows:
  • One embodiment is: feeding the agricultural by-product slurry and the reinforcing fiber slurry into the batching tank for thorough mixing to obtain a mixed slurry; then feeding the mixed slurry into the flushing tank, adding a filler (such as light carbonic acid) Calcium) Add water-reducing additives when water is added for dilution.
  • a filler such as light carbonic acid
  • a detrimental additive such as a zeolite, dissolving or dispersing the debatation additive in water, and adding it to the slurry tank together with a filler such as light calcium carbonate; mixing the slurry, filler, and harm
  • the additive is uniformly mixed, it is sent to the high-level box through the slurry pump; the retention aid is added to the high-position box and mixed and hooked to obtain a slurry; then the slurry is sent to the forming wire for papermaking to form a sheet containing the harm-reducing additive.
  • the mixed slurry is pumped from the slurry tank into the high-position tank, and the retention aid (such as guar gum) is added to reduce the damage. additive.
  • the harm-damping additive is dissolved or dispersed in water, and added to the retention aid solution and mixed with the retention aid, and then added to the high-position box and mixed with the mixed slurry to obtain a slurry;
  • the slurry is processed by a forming wire to form a sheet base, and the sheet for the addition of the damage-reducing additive is subjected to the first drying, coating and the second drying treatment to prepare a tobacco sheet containing the harm reducing additive. .
  • Still another embodiment is: after the abatement additive is dissolved or dispersed in water, it is uniformly mixed with the coating liquid, and then the above mixture is applied onto a sheet base to prepare a sheet base having a harm reducing additive. Specifically, the coating liquid and the harm reducing additive are mixed, and the mixed solution is applied to the first dried sheet substrate (the sheet base may already contain the harm reducing additive), and then the coating is applied. The sheet base on which the harm reduction additive is applied is subjected to a second drying treatment to prepare a tobacco sheet containing the harm reduction additive which satisfies the requirements.
  • the addition of the harm reduction additive may adopt any of the above-mentioned addition methods. It can also be any combination of the above several addition methods.
  • the harm reducing additive is added at a plurality of positions, the content of the harm reducing additive in the tobacco sheet is the total content.
  • the solvent used in the dissolution or dispersion of the harm reducing additive in each embodiment of the present embodiment is water, but is not limited thereto. It is preferably water.
  • the additive amount of the harm reducing additive (for example, zeolite or cyclodextrin) in the flake sheet prepared according to the technical scheme of the present invention may range from 0.1 to 10% by mass of the flake sheet, but the embodiment is not limited.
  • the amount of harm reduction additive can be selected according to the actual situation.
  • Step 21 The agricultural by-product is placed in hot water of 60-80 ° C for 20-30 minutes to obtain agricultural by-product swelling, or the agricultural by-product is placed in normal temperature water for 0.5 time. -6 hours of soaking treatment to obtain agricultural by-product swell;
  • the amount of hot water or normal temperature water in the immersion treatment is preferably 10-15 times the weight of the agricultural by-product to more fully soak the agricultural by-products without wasting water resources.
  • Step 22 separating the agricultural by-product swelling from the soaked hot water or normal temperature water, and returning the separated hot water or normal temperature water to the soaking treatment process for recycling;
  • the separated hot water or normal temperature water is sent back to the immersion tank for recycling, thereby achieving the purpose of saving water resources.
  • the separated hot water or normal temperature water should not be recycled indefinitely, preferably 2-3 times, that is, when hot water or room temperature water is After recycling for 2-3 times, it can be discharged after treatment.
  • Step 23 the agricultural by-product swell is subjected to silk reeling to obtain agricultural by-product crude fiber;
  • Step 24 the agricultural by-product crude fiber is placed in hot water of 60-80 ° C for 20-30 minutes of washing Processing to obtain agricultural by-product fibers, or placing agricultural waste crude fibers in normal temperature water for a washing process of 30-60 minutes to obtain agricultural by-product fibers;
  • the amount of hot water or room temperature water in the washing treatment is preferably 10-15 times the weight of the crude by-product of the agricultural by-product, so as to pass the more sufficient crude agricultural by-products without wasting water resources.
  • the fibers are subjected to a washing treatment to remove the miscellaneous cells and partially water-soluble substances contained therein, such as nitrogen-containing compounds, for the purpose of purifying the agricultural by-product fibers.
  • Step 25 separating the agricultural by-product fiber from the washed hot water or the normal temperature water, and returning the separated hot water or the normal temperature water to the soaking treatment process for recycling;
  • Step 26 the agricultural by-product fiber is subjected to a first refining process to obtain a crude pulp
  • the agricultural by-product fiber can be sent to a high-concentration mill for refining by a pump, that is, the first refining treatment to obtain a coarse pulp.
  • Step 27 the second slurry is subjected to a second refining treatment to obtain a fine slurry, and the fine pulp is an agricultural by-product slurry; Specifically, the coarse pulp is further refined by feeding the double pulp, that is, the second refining treatment, to obtain a fine slurry, and the fine pulp is an agricultural by-product slurry.
  • Step 28 refining the reinforced fiberboard to prepare a reinforced fiber slurry
  • This step is used to prepare a reinforced fiber slurry for the purpose of enhancing the strength of the prepared tobacco sheet.
  • the addition of the reinforcing fibers is selective, depending on the strength requirements of the finished sheet. Due to the short fibers of the agricultural by-products and the high content of miscellaneous cells, the strength of the finished product is poor during the papermaking process. Therefore, depending on the type of agricultural by-product selected, it is necessary to add an appropriate amount of reinforcing fibers to most agricultural by-product slurries to increase the strength of the flakes.
  • the reinforcing fiber contributes to the preparation of a sheet for tobacco having a strength that meets the requirements of the cigarette processing technology.
  • the amount of the reinforcing fiber slurry to be added is generally controlled to be 0 to 40% by weight based on the total amount of the slurry, and the amount to be added is preferably 20 to 40% by weight.
  • the preparation process can be implemented by referring to the pulping process in the papermaking, and belongs to the prior art, and this embodiment is not discussed in detail.
  • Step 29 mixing the agricultural by-product slurry and the reinforcing fiber slurry to prepare a slurry, and adding a harm reducing additive as needed;
  • the agricultural by-product slurry and the reinforced fiber slurry can be fed into the batching tank through a conveying pipe to be thoroughly mixed to obtain a mixed slurry.
  • the mixed slurry is further fed into a flushing tank, and the filler is added and diluted with water to the desired concentration.
  • the obtained mixed slurry is pumped from the flushing tank into the high-position tank, and the retention aid is added to the high-position tank, and the mixture is uniformly mixed to prepare a slurry, which is prepared for the papermaking process.
  • the harm reducing additive may be added.
  • the harm reducing additive is dissolved or dispersed in water, mixed with the filler, and then added together in the mixed slurry.
  • Step 30 the pulp is formed into a sheet base, and the sheet base is subjected to the first drying, coating and the second drying treatment, and the harm reduction additive is added to the coating section of the sheet base as needed to prepare A sheet of tobacco containing a harm reducing additive.
  • the slurry is sent to the forming wire for papermaking to form a sheet base; at this time, the sheet base is also required to be dried to remove the sheet base.
  • the dried sheet is coated with a coating liquid through a coating tank, and finally, the sheet base of the coating liquid is dried again to obtain a sheet for tobacco.
  • the effect of the coating liquid is to increase the amount of aroma, to remove impurities, to increase the concentration of the smoke, to reduce the irritation, to improve the aftertaste and the comfort of the mouth. Therefore, an aqueous solution made of the substance having the above-mentioned effects can be used as the embodiment.
  • the coating liquid, the specific selection and treatment are conventional techniques in the field of cigarette production.
  • the harm-reducing additive may be dissolved or dispersed in water, mixed uniformly with the coating liquid, and applied together to the sheet base.
  • the tobacco sheet containing the harm reduction additive can be prepared by using the above three methods.
  • the additive additive can be added by any of the above-mentioned addition methods, or any combination of the above several addition methods, and the addition of harm reduction
  • the manner of the additive is not limited to this.
  • the harm reduction additive is added at a plurality of locations, the content of the harm reduction additive in the tobacco sheet is the total content.
  • the process of preparing the reinforcing fiber slurry in the step 28 in the embodiment and the process of preparing the agricultural by-product slurry described in the steps 21 to 27 are two independent processes, which may be sequential operations.
  • the order relationship but does not limit the order of its implementation, it can also be the relationship of parallel operations.
  • the order of achieving the steps in the preparation method of the present embodiment is only a preferred mode, for example, the reinforcing fiber slurry may be prepared first, and then the agricultural by-product slurry may be prepared; or the reinforcing fiber slurry may be simultaneously prepared. And agricultural by-product slurry.
  • the third embodiment of the present invention provides a sheet for tobacco which can be prepared according to the preparation method provided in the first embodiment and the second embodiment of the present invention.
  • a fourth embodiment of the present invention provides a cigarette, that is, a flammable portion of the cigarette (in the case of a cigarette with a filter, the portion other than the filter) includes at least a portion of the cigarette prepared by the method of the first embodiment or the second embodiment.
  • Sheet For common cigarettes, including cigarette paper, shredded tobacco, and filter, the shredded tobacco is wrapped in a cigarette paper and attached to the filter.
  • the tobacco shredded tobacco of the present invention is mixed with the tobacco flakes cut by the tobacco flakes. Specifically, the flakes and the flake flakes may be respectively shredded, and then mixed in a certain ratio, or the flakes and the flue.
  • the sheets are mixed in a certain ratio and then shred together, and then the mixed yarn is rolled into a cigarette.
  • the flake sheet is prepared according to the method for preparing a flake sheet provided by the present invention.
  • the cigarette preparation method of the embodiment includes: Step 31: Prepare a tobacco sheet containing the harm reduction additive by using the agricultural by-product as a raw material; for the detailed process of this step, refer to the first embodiment or the second embodiment.
  • step 32 the flakes and the obtained flake flakes are respectively shredded, and then mixed in a certain ratio, or the flakes and the obtained flake flakes are mixed in a certain ratio and then shred together, and then the mixed silk rolls are rolled. Made into cigarettes.
  • the process of shredding the tobacco sheet can be carried out by using a shredding process and equipment in the cigarette processing process, and the cut tobacco shred yarn is preferably substantially the same length and width as the shredded tobacco to be mixed with the ordinary shredded tobacco.
  • the process of shredding the flakes and the flakes in a certain ratio and then cutting them together can also be carried out by the shredding process and equipment in the cigarette processing process.
  • the content of the tobacco sheet filament may be 3 to 100 wt% of the flammable portion of the cigarette, and the mixing ratio may be different according to Depending on the demand for cigarettes.
  • the flammable portion of the cigarette is processed entirely from tobacco flakes which are agricultural by-products other than tobacco (the flake flake content is 100% by weight)
  • the obtained cigarette is a safe cigarette which is completely free of shredded tobacco.
  • the amount of the flake filament to be added is preferably controlled to be 20-60% by weight.
  • the combustibility of the thin wire is much higher than that of the cut tobacco. Therefore, the combustibility of the shredded tobacco with the added tobacco shred is improved, and when the cigarette is burned, the combustion is more sufficient, thereby reducing the combustion process.
  • the release amount of harmful substances such as CO, that is, the harmful substances in the mainstream smoke and the sidestream smoke can be simultaneously reduced, and has a harm reducing effect;
  • the cigarette produced by the cigarette preparation method provided in the embodiment includes the cigarette
  • the thin filament is made from agricultural by-products.
  • the harm reduction effect can be improved by using the harmful substances contained in the agricultural by-products.
  • the harm reduction additive is added to the tobacco sheet, and the tobacco sheet is used as the carrier. The harmful additive is applied to the cigarette, and the defects of the existing additive to the tobacco or the filter are overcome while further improving the harm reduction effect.
  • the cigarettes prepared in this embodiment basically maintain the original flavor-absorbing style, and by adding different proportions of tobacco sheets, ammonia, 3, 4-benzopyrene, phenol, crotonaldehyde, CO, hydrogen in the flue gas. Hazardous substances such as cyanic acid and nitrosamines are significantly reduced.
  • the straw plant material is subjected to pulping, papermaking, addition of a harm reducing additive (for example, zeolite), drying, and the like to prepare a tobacco sheet according to the method of the first embodiment, and is used for manufacturing a cigarette, wherein the additive of the harm reducing additive (zeolite) is added.
  • a harm reducing additive for example, zeolite
  • the amount is 5%.
  • the tobacco sheet from the straw plant was shredded and mixed with ordinary cut tobacco at a mass ratio of 50% to form a cigarette.
  • the original smoking style of the cigarette is basically unchanged, and the smoke test results show that the ammonia in the mainstream smoke is reduced by 19.0% compared with the cigarette without the added tobacco filament, and the hydrocyanic acid is lowered. 16%, 3, 4-benzopyrene decreased by 43.7%, phenol decreased by 62.8%, crotonaldehyde decreased by 25.3%, CO decreased by 5%, nitrosamine decreased by 41%, and harmful components of sidestream smoke There is also a significant reduction, and the harm reduction effect is remarkable.
  • the tobacco was shredded with a sheet and mixed with ordinary cut tobacco at a mass ratio of 25% to form a cigarette.
  • the original smoking style of the cigarette is basically unchanged, and the smoke test results show that the ammonia in the mainstream smoke is reduced by 15.3% compared with the cigarette without the added tobacco filament, and the hydrogen cyanide is lowered.
  • 3 4-benzopyrene decreased by 31.5%
  • phenol decreased by 30.2%
  • crotonaldehyde decreased by 39.1%
  • CO decreased by 5%
  • nitrosamine decreased by 36%
  • harmful components of sidestream smoke It is also significantly reduced, and the harm reduction effect is obvious.
  • the herbaceous plant material is pulped, paper-made, added to an additive (for example, zeolite), dried, and the like to prepare a tobacco sheet according to the method of the second embodiment, and is used for manufacturing a cigarette, wherein the additive amount of the harm-damping additive (zeolite) is 4%.
  • an additive for example, zeolite
  • the tobacco was shredded with a sheet and mixed with ordinary cut tobacco at a mass ratio of 50% to form a cigarette.
  • the original smoking style of the cigarette is basically unchanged, and the smoke test results show that the ammonia in the mainstream smoke is reduced by 18% compared with the cigarette without the added tobacco filament, and the hydrogen cyanide is lowered. 17%, 3, 4-benzopyrene decreased by 42%, phenol decreased by 56.3%, crotonaldehyde decreased by 40.3%, CO decreased by 3.9%, nitrosamine decreased by 38%, and harmful components of sidestream smoke There is also a significant reduction, and the harm reduction effect is remarkable.
  • the technical solution of the present invention prepares tobacco sheets by using agricultural by-products as raw materials, and applies the prepared tobacco sheets to cigarettes, not only under the premise that the cigarette smoking style is basically unchanged. It can effectively reduce the release of harmful substances in the mainstream smoke and sidestream smoke of cigarettes, and at the same time alleviate the tight supply of tobacco raw materials in the tobacco industry. It has great social and economic benefits. In addition, it is added to the flakes.
  • the harm reduction additive is applied to the cigarette by using the flake sheet as a carrier, and the defects of the existing additive to the cut tobacco or the filter are overcome while further improving the harm reduction effect.

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Description

烟用薄片及其制备方法与卷烟
技术领域
本发明涉及卷烟加工技术领域, 尤其涉及一种烟用薄片及其制备方法与 卷烟。 背景技术
近年来, 全球性的反吸烟运动日益高涨, 烟草行业受到的社会压力越来 越大。 世界烟草业为了降低烟草制品对人类健康的危害, 也加大了对卷烟加 工过程中减害技术的研究力度。 目前最广泛的减害技术是开发具有减害作用 的添加剂 (本领域称 "减害添加剂,,), 并将其应用到滤嘴和卷烟烟丝中。
对于滤嘴的处理, 是将添加剂直接添加到滤嘴原料中或者制成二元(或 多元)复合滤嘴。 例如: 将负载有离子液体的无机载体或者醋酸纤维添加到 醋酸纤维滤嘴中制成二元复合嘴棒,可以选择性的降低卷烟烟气中酚类含量; 又例如: 将高吸附性能的介孔材料作为香烟滤嘴的添加材料, 用来吸附香烟 中的亚硝胺。 对于烟丝的处理, 是将固体添加剂制成微粒粉加入烟丝中充分 搅拌使其混合, 或者是将液体(或者悬浮液) 添加剂以喷洒的形式加入烟丝 中。 例如: 将经过纯化、 改性和复合的亚微米改性海泡石复合添加剂捧入烟 丝中, 利用其吸附作用吸附卷烟中的有害成分。
但是, 现有添加添加剂的做法均存在弊端: 在滤嘴中添加添加剂, 当卷 烟燃烧主流烟气通过滤嘴一段时间后, 主流烟气中的焦油会覆盖在滤嘴固体 上, 其中的活性添加剂因被覆盖而失去活性, 导致该添加剂的吸附效果不稳 定; 此外, 滤嘴只能处理主流烟气, 对于含有更多有害物质的侧流烟气不起 作用。 在烟丝中添加添加剂, 若所用添加剂为液体添加剂, 则添加剂的加入 量受限, 若所用添加剂为固体添加剂, 则固体添加剂易于从烟丝上脱落, 无 法保证添加剂的加入量, 从而无法保证减害效果。 发明内容
本发明提供一种烟用薄片, 该烟用薄片中添加了减害添加剂, 可直接添 加到烟丝中, 甚至可直接用于加工卷烟, 使减害添加剂中减害成分利用烟用 薄片为载体被加入卷烟中被有效利用, 解决了现有技术中减害添加剂剂量不 稳定、 减害效果受限的问题, 利于实现对吸烟者的保护。
本发明还进一步提供了添加了上述烟用薄片的卷烟, 该卷烟有利于降低 吸烟者受到的伤害。
本发明还提供了上述烟用薄片的制备方法。
利用以下方法, 本发明提供了一种烟用薄片, 所述烟用薄片以农业副产 物为原料, 所述制备方法包括以下工序:
将所述农业副产物置于 60-80°C的水中进行时间为 20-30分钟的浸泡处理 以获取农业副产物润胀物, 或者将所述农业副产物置于常温水中进行时间为 0.5-6小时的浸泡处理以获取农业副产物润胀物;
将所述农业副产物润胀物进行搓丝, 获取农业副产物粗纤维;
将所得到的农业副产物粗纤维置于 60-80°C的水中进行时间为 20-30分钟 的洗涤处理以获取农业副产物纤维, 或者将所述农业副产物粗纤维置于常温 水中进行时间为 30-60分钟的洗涤处理以获取农业副产物纤维;
将所述农业副产物纤维进行磨浆处理, 制取农业副产物浆料;
将所述农业副产物浆料与经过磨浆处理制取的强化纤维浆料进行混合, 制取成浆, 使强化纤维浆料在成浆中的含量为 0-40wt%;
将所述成浆抄造成薄片片基, 并对该薄片片基进行第一次烘干、 涂布和 第二次烘干处理以制取所述烟用薄片;
上述方法还包括在制取成浆工序和 /或对薄片片基涂布工序添加减害添 加剂的过程。
本发明所采用的减害添加剂为卷烟行业公知公用的添加剂, 其具体种类 的选择及添加量均可参照现有技术确定, 通常情况, 所述减害添加剂与所述 烟用薄片的质量百分比可以确定为 0.001~40%。
本发明还提供一种卷烟, 该卷烟的可燃部分至少包含有利用上述的烟用 薄片加工的烟用薄片丝。 优选地, 本发明提供的卷烟中, 所述烟用薄片丝含 量为该卷烟可燃部分质量的 3 ~ 100%, 其余为烟丝。
农业副产物包括可提供纤维组织的农作物秸杆、 根、 茎、 茶叶、 茶梗以 及草本植物等, 具有非常广泛的原料来源。
本发明提供的烟用薄片可直接应用于卷烟中, 具体地, 根据需要, 可以 将片烟和烟用薄片分别切丝, 然后按一定的比例混合, 或者将片烟与该烟用 薄片按一定的比例混合后一起切丝, 然后将混合丝卷制成烟支。 当然, 本发 明提供的卷烟也可以仅利用上述烟用薄片来加工(烟用薄片丝含量为 100% ), 即, 成为一种更加时尚的安全健康型卷烟。 吸用本发明的卷烟时, 利用烟用 薄片良好的燃烧性, 可以提高卷烟的燃烧速度, 降低卷烟在燃烧过程中产生 的一氧化碳等有害物质的释放量, 从而起到减害的作用; 利用烟用薄片中农 业副产物自身含有的减害物质提供减害效果的同时, 由于在制备烟用薄片的 过程中还添加了减害添加剂,以烟用薄片为载体将减害添加剂添加到卷烟中, 进一步提高了卷烟的减害效果, 克服了现有在卷烟生产中添加减害添加剂的 各种缺陷。 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实 施例或现有技术描述中所需要使用的附图作一筒单地介绍, 显而易见地, 下 面描述中的附图是本发明的一些具体实施例,对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以对它们提出不同的修改方案。
图 1为本发明实施例一提供的烟用薄片的制备方法的流程图;
图 2为本发明实施例二提供的烟用薄片的制备方法的流程图;
图 3为本发明实施例四提供的卷烟制备方法的流程图。 具体实施方式
为使本发明的目的、 技术方案和技术效果更加清楚, 下面将结合本发明 具体实施例及相应附图, 对本发明实施例中的技术方案进行清楚、 完整地描 述, 但以下实施例不能理解为对本发明的可实施范围的限定, 基于本发明中 的实施例 , 本领域普通技术人员在没有做出创造性劳动前提下所获得的所有 其它实施例, 都属于本发明保护的范围。
本发明技术方案提供制备烟用薄片的制备方法与造纸行业中的抄造工艺 有一定的相似, 因此可以参考或采用造纸工艺中的相关设备来实现, 但是本 领域技术人员应该理解, 造纸工艺中的各种设备在本发明技术方案中的作用 以及所处的位置均可以根据处理流程和处理条件的不同而进行适应性的变 化。
实施例一
图 1为本发明实施例一提供的烟用薄片的制备方法的流程图, 如图 1所 示, 本实施例的方法包括:
步骤 11 ,将农业副产物置于 60-80°C的热水中进行时间为 20-30分钟的浸 泡处理以获取农业副产物润胀物, 或者将农业副产物置于常温水(本发明中 也称室温水) 中进行时间为 0.5-6小时的浸泡处理以获取农业副产物润胀物; 具体地,可以将选用的农业副产物置于盛放有 60-80°C的热水的浸泡池中 浸泡 20-30分钟, 或者将选用的农业副产物置于盛放有常温水的浸泡池中浸 泡 0.5-6小时, 用于润胀农业副产物中的纤维。选用的农业副产物包括可提供 纤维组织的农作物秸杆、 根、 茎、 茶叶、 茶梗以及草本植物等, 本实施例不 对此进行限制, 优选的为包含有降低卷烟烟气中的有害成分的物质的农业副 产物。
需要说明的是, 本实施例中对农业副产物进行浸泡所采用的液体为热水 或常温水, 而现有造纸法烟用薄片制备过程中通常采用溶剂萃取分离技术, 势必会引入新的化学试剂, 使制得的烟用薄片中含有化学残留, 应用于卷烟 中会影响卷烟吸味, 且还会影响烟用薄片的减害效果, 因此, 为了保证制备 出的烟用薄片应用于卷烟中所得到的减害效果, 本实施例采用热水或常温水 作为浸泡溶剂。 当然, 本发明方案也可以选择高于室温, 但不高于 80°C的水 浸泡原料, 根据水温情况确定适当的浸泡时间。
步骤 12, 将农业副产物润胀物进行搓丝, 获取农业副产物粗纤维; 农业副产物经过浸泡处理后, 其中的纤维已经润胀, 然后可以通过输送 装置将已经润胀的农业副产物送入搓丝机进行搓丝处理, 以便于后续操作。
步骤 13 , 将农业副产物粗纤维置于 60-80°C的热水中进行时间为 20-30 分钟的洗涤处理以获取农业副产物纤维, 或者将农业副产物粗纤维置于常温 水中进行时间为 30-60分钟的洗涤处理以获取农业副产物纤维; 具体地,可以将农业副产物粗纤维送至盛有 60-80°C的热水的洗潦罐中进 行 20-30分钟的洗涤处理以获取农业副产物纤维, 或者将农业副产物粗纤维 送至盛有常温水的洗潦罐中进行 30-60分钟的洗涤处理以获取农业副产物纤 维, 其目的是去除农业副产物粗纤维中的杂细胞和部分水溶性物质, 例如含 氮化合物, 以达到净化农业副产物纤维的目的。
在上述步骤 13中, 采用 60-80°C的热水或常温水作为洗涤溶剂, 而不采 用化学试剂进行处理, 是为了避免在烟用薄片中引入化学试剂, 避免产品中 的溶剂残留, 以保证制备出的烟用薄片应用于卷烟时的吸食风格和烟用薄片 的减害效果, 同时也不需要溶剂的分离和脱除, 筒化了操作工艺。 当然, 本 发明方案也可以选择高于室温, 但不高于 80°C的水作为洗涤溶剂, 根据水温 情况确定适当的洗涤时间。
步骤 14, 将农业副产物纤维进行磨浆处理, 制取农业副产物浆料; 具体地, 可以通过泵将农业副产物纤维送至磨浆机进行磨浆处理, 制取 农业副产物浆料。
步骤 15 , 将所述农业副产物浆料与经过磨浆处理制取的强化纤维浆料进 行混合, 制取成浆。 该步骤用于制取强化纤维浆料, 其目的是为了加强制备 的烟用薄片的强度。 该强化纤维的加入是选择性的, 根据所得到的薄片成品 强度需要而定。 该成浆中, 强化纤维的添加比例为 0~40% (重量) , 加入量 在 20-40wt%是比较好的。
具体地, 强化纤维浆料的制取过程与农业副产物浆料的制取过程是两个 独立的过程。 本实施例提供一种强化纤维浆料的制取过程: 将选定材质的纤 维板(例如木纤维板)送入碎浆机进行碎浆处理, 然后将碎浆处理后的纤维 送入磨浆机进行磨浆, 制取可用于本发明的强化纤维浆料。 该强化纤维浆料 的制取可以采用造纸工艺中的制浆方法实现, 且选择从安全和吸食口感上可 用于卷烟的纤维板作为原料即可, 因此本实施例并不进行详细描述。
其中, 制取成浆的过程包括: 首先可以通过输送管道将农业副产物浆料 和强化纤维浆料送入配料池中进行充分混合; 然后, 将混合后的农业副产物 浆料和强化纤维浆料送入沖浆池, 添加填料(如轻质碳酸钙) 并加入水稀释 到预设浓度, 其中预设浓度是指浆料的固含量, 可以根据具体需求进行设置; 之后通过沖浆泵将经过稀释处理的、 混合后的农业副产物浆料和强化纤维浆 料送至高位箱, 并在此处添加助留剂 (例如瓜尔胶)并混合均匀, 制取成浆, 该步骤提供后续抄造处理所需的成浆。 其中, 高位箱可以起到稳定成浆浆压 的作用; 助留剂的作用是增大成浆上网时的留着率, 增强滤水性, 以利于抄 造, 减少白水中的细小纤维及填料, 以减轻废水处理的负担。 所述助留剂应 为本领域公知的符合烟草行业标准的助留剂,本发明对其具体选择不做限制, 其添加量为助留剂的常规添加量。
在上述制浆工段中, 可以根据需要添加减害添加剂, 以制取包含减害添 加剂的烟用薄片, 且本实施例在该制取成浆工段中添加减害添加剂为可选的 添力口位置之一。
步骤 16, 将成浆抄造成薄片片基, 并对薄片片基进行第一次烘干、 涂布 和第二次烘干处理以制取应用于卷烟中的烟用薄片。
本步骤用于将成浆抄造成薄片片基, 对薄片片基进行烘干处理, 例如, 制得含水量为 15~30%的薄片片基。在经过烘干处理的薄片片基上涂布涂布液 (涂布液的选择和使用均按照香烟生产行业的常规技术处理) , 并对经涂布 处理后的薄片片基再次进行烘干处理制得烟用薄片, 例如, 可以将薄片片基 经烘干处理后制得含水量为 10~13%的、 厚度为 0.3-0.4毫米的烟用薄片。
其中, 烘干处理包括直接对抄造成的薄片片基进行烘干处理, 以去除薄 片片基中的大部分水分, 然后, 将经过烘干处理后的薄片片基送入涂布槽, 在涂布槽中将制备好的涂布液涂布在薄片片基上, 之后将涂布了涂布液的薄 片片基再次进行烘干, 以制取符合标准的烟用薄片,例如含水分为 10~13%的 烟用薄片。
具体地, 本实施例根据需要可包含有在抄造薄片片基的涂布工段中添加 减害添加剂的过程。
需要说明的是, 本发明技术方案必须选择在上述制浆工段和抄造涂布工 段中至少一个位置添加减害添加剂, 以制取包含减害添加剂的烟用薄片。 其 中, 减害添加剂可以为沸石、 介孔材料、 环糊精等可用于香烟产品且对烟气 中有害成分具有吸附作用的任何可行物质,本发明技术方案不对此进行限制。
本实施例提供的烟用薄片的制备方法, 以农业副产物为原料制备, 所制 备的烟用薄片可直接应用于卷烟中, 具体地, 将片烟和烟用薄片分别切丝, 然后按一定的比例混合, 或者将片烟与烟用薄片按一定的比例混合后一起切 丝, 然后将混合丝卷制成烟支。 利用烟用薄片良好的燃烧性, 可以提高卷烟 的燃烧速度, 降低卷烟在燃烧过程中产生的 CO等有害物质的释放量, 从而 起到减害的作用。 进一步, 本发明以农业副产物作为原料制备烟用薄片, 还 可以利用农业副产物本身含有的减害物质, 进一步提高减害效果。
同时, 本实施例的烟用薄片中添加了减害添加剂, 利用减害添加剂可以 进一步提高烟用薄片在卷烟中的减害效果; 另外, 本实施例以烟用薄片为载 体将减害添加剂应用到卷烟中, 与现有技术直接在烟丝或滤嘴中添加减害添 加剂的方法不同, 因此可以避免现有技术的各种缺陷, 例如: 不存在主流烟 气中的焦油覆盖滤嘴降低添加剂活性的问题; 也不存在烟丝上喷洒固体添加 剂易于脱落, 或者喷洒液体添加剂剂量受限等问题。
进一步, 本发明技术方案通过将包含减害添加剂的烟用薄片应用到卷烟 中, 在提高卷烟的燃烧速度的同时充分发挥农业副产物自身含有的减害物质 和外加减害添加剂的作用,能够有效地降低所产生的烟气中有害物质的含量, 而不仅仅是降低主流烟气的有害物质的含量, 侧流烟气中有害物质的含量也 有所减少, 因此, 将本发明技术的烟用薄片应用于卷烟中会同时对主流烟气 和侧流烟气起到减害作用。
在上述技术方案的基础上, 本实施例提供几种在上述步骤 15和 16中添 加减害添加剂的实施方式, 具体如下:
一种实施方式为: 将农业副产物浆料和强化纤维浆料送入配料池进行充 分混合, 得到混合浆料; 然后将所述混合浆料送入沖浆池, 添加填料 (如轻质 碳酸钙)并加入水进行稀释时, 加入减害添加剂。 具体地: 选择减害添加剂, 例如沸石, 将减害添加剂溶解或分散于水中, 并与填料(例如轻质碳酸钙) 一起加入到沖浆池中; 将所述混合浆料、 填料和减害添加剂一起混合均匀后, 通过沖浆泵送入高位箱; 往高位箱中加入助留剂并混合均勾, 制得成浆; 然 后将成浆送至成形网进行抄造形成含有减害添加剂的薄片片基; 对含有减害 添加剂的薄片片基进行烘干去除多余水分后, 送入涂布槽将制备好的涂布液 涂布到薄片片基上, 并对薄片片基进行再次烘干, 制备出含有减害添加剂的 烟用薄片。
又一种实施方式为: 通过沖浆泵将加有填料并稀释到需要浓度的混合浆 料从沖浆池泵入高位箱后, 在添加助留剂 (例如瓜尔胶) 时, 加入减害添加 剂。 具体地: 将减害添加剂溶解或分散于水中, 并加入到助留剂溶液中与助 留剂混合均勾, 然后加入高位箱中与其中的混合浆料混合均勾, 制得成浆; 之后将成浆经成形网抄造处理, 形成薄片片基, 并对添加减害添加剂的薄片 片基进行第一次烘干、 涂布和第二次烘干处理后制备出含有减害添加剂的烟 用薄片。
再一种实施方式为: 将减害添加剂溶解或分散于水中后与涂布液混合均 匀, 然后将上述混合液涂布到薄片片基上, 以制备具有减害添加剂的薄片片 基。 具体地: 将涂布液和减害添加剂进行混合, 将上述混合溶液涂布到经第 一次烘干处理的薄片片基上(该薄片片基可能已经含有了减害添加剂) , 然 后将涂布了减害添加剂的薄片片基进行第二次烘干处理, 制备出满足要求的 含有减害添加剂的烟用薄片。
上面介绍了几种在烟用薄片制备过程中添加减害添加剂的方式, 本发明 中根据所要添加的减害添加剂的性质以及制备卷烟的要求, 添加减害添加剂 可以采用上述任意一种添加方式, 也可以是上述几种添加方式的任意组合。 当在多个位置添加减害添加剂时, 所述烟用薄片中减害添加剂的含量为总含 量。
值得说明的是, 为了保证不在烟用薄片中引入新的化学试剂, 本实施例 各实施方式中对减害添加剂进行溶解或分散时所使用的溶剂选用水, 但并不 限于此, 本实施例只是优选为水。
进一步, 根据本发明的技术方案制备的烟用薄片中减害添加剂 (例如: 沸石或环糊精) 的添加量的范围可为烟用薄片质量的 0.1~10%, 但是本实施 例并不限制减害添加剂添加量, 可以根据实际情况自行选择。
实施例二
图 2为本发明实施例二提供的烟用薄片的制备方法的流程图, 本实施例 可基于实施例一实现, 本实施例将重点介绍其区别之处, 如图 2所示, 本实 施例的制备方法包括: 步骤 21 ,将农业副产物置于 60-80°C的热水中进行时间为 20-30分钟的浸 泡处理以获取农业副产物润胀物, 或者将农业副产物置于常温水中进行时间 为 0.5-6小时的浸泡处理以获取农业副产物润胀物;
在本实施例中, 浸泡处理中的热水或常温水的用量优选为农业副产物的 重量的 10-15倍, 以在不浪费水资源的前提下更加充分地对农业副产物进行 浸泡。
步骤 22, 将农业副产物润胀物从浸泡处理的热水或常温水中分离出来, 并将分离出来的热水或常温水返回浸泡处理工序, 以供循环使用;
本实施例的制备方法在分离农业副产物时, 将分离出的热水或常温水再 送回浸泡池中供循环利用, 达到节约水资源的目的。 当然, 为了保证浸泡池 中所用热水或常温水的纯净度, 分离出的热水或常温水不应无限次的循环使 用, 优选为循环使用 2-3次, 即当热水或常温水被循环使用 2-3次后, 可以经 过处理后排放掉。
步骤 23 , 将农业副产物润胀物进行搓丝, 获取农业副产物粗纤维; 步骤 24, 将农业副产物粗纤维置于 60-80°C的热水中进行时间为 20-30 分钟的洗涤处理以获取农业副产物纤维, 或者将农业废弃粗纤维置于常温水 中进行时间为 30-60分钟的洗涤处理以获取农业副产物纤维;
在本实施例中, 洗涤处理中的热水或常温水的用量优选为农业副产物粗 纤维的重量的 10-15倍, 以在不浪费水资源的前提下通过更加充分的对农业 副产物粗纤维进行洗涤处理, 以去除其中含有的杂细胞和部分水溶性物质, 例如含氮化合物, 以达到净化农业副产物纤维的目的。
步骤 25 , 将农业副产物纤维从洗涤处理的热水或常温水中分离出来, 并 将分离出来的热水或常温水返回浸泡处理工序, 以供循环使用;
具体地, 该步骤与步骤 22的实现和效果相同, 本步骤不再详细论述。 步骤 26, 将农业副产物纤维进行第一次磨浆处理获取粗浆;
具体地, 可以通过泵将农业副产物纤维送入高浓磨进行磨浆, 即第一次 磨浆处理, 获取粗浆。
步骤 27, 将粗浆进行第二次磨浆处理获取细浆, 所述细浆即为农业副产 物浆料; 具体通过将粗浆送入双盘磨进一步磨浆, 即第二次磨浆处理, 获取细浆, 此时细浆即为农业副产物浆料。
步骤 28, 将强化纤维板进行磨浆处理, 制取强化纤维浆料;
该步骤用于制取强化纤维浆料, 其目的是为了加强制备的烟用薄片的强 度。 该强化纤维的加入是选择性的, 根据所得到的薄片成品强度需要而定。 由于农业副产物的纤维短、 杂细胞含量多, 在抄造过程中其成品的强度较差。 因此, 根据所选用农业副产物种类不同, 在多数农业副产物浆料中加入适量 的强化纤维增加薄片的强度是必要的。 本实施例中通过加入强化纤维浆料, 该强化纤维有助于制备强度符合卷烟加工工艺要求的烟用薄片。 强化纤维浆 料的加入量一般控制在成浆总量的 0-40wt%,加入量在 20-40wt%是比较好的。
具体地, 该制备过程可以参照造纸中的制浆工艺实现, 属于现有技术, 本实施例不#文详细论述。
步骤 29, 将农业副产物浆料和强化纤维浆料进行混合, 制取成浆, 并根 据需要添加减害添加剂;
例如: 可以通过输送管道将农业副产物浆料和强化纤维浆料送入配料池 中进行充分混合, 得到混合浆料。 其中为了使两种浆料充分混合, 并达到抄 造所需的浓度, 进一步将所述混合浆料送入沖浆池, 添加填料并加入水稀释 到所需的浓度。 然后, 将所得到的混合浆料从沖浆池中泵入高位箱中, 并添 加助留剂到高位箱, 混合均匀后制取成浆, 即为抄造处理做准备。
在本步骤 29中,可以在向所述混合浆料中添加填料时,加入减害添加剂, 具体地, 将减害添加剂溶解或分散于水中后与填料混合, 再一起加入所述混 合浆料中制成成浆; 还可以在向混合浆料中添加助留剂时, 加入减害添加剂, 具体地, 将减害添加剂溶解或分散于水中后与助留剂混合, 再一起加入所述 混合浆料中制成成浆。
步骤 30, 将成浆抄造成薄片片基, 对薄片片基进行第一次烘干、 涂布和 第二次烘干处理并根据需要在抄造薄片片基的涂布工段添加减害添加剂, 制 取含有减害添加剂的烟用薄片。
在上述步骤 29的基础上, 本步骤 30在实施时, 将成浆送至成形网进行 抄造, 生成薄片片基; 此时, 还需要将薄片片基进行烘干以去除薄片片基中 的大部分水分, 再将经过烘干处理后的薄片片基经涂布槽涂布涂布液, 最后 将涂布涂布液的薄片片基再次进行烘干处理即可得到烟用薄片。 其中, 涂布 液的作用是为了增加香气量、 去除杂气、 提高烟气浓度、 降低刺激性、 改善 余味和口感舒适性, 因此, 具有上述作用的物质制成的水溶液均可以作为本 实施例的涂布液, 具体选择和处理属于香烟生产领域的常规技术。
具体地, 在本步骤 30中, 可以将减害添加剂溶解或分散于水中后与涂布 液混合均匀, 一起涂布到薄片片基上。
采用以上三种方式均可以制备出含有减害添加剂的烟用薄片, 本发明中 添加减害添加剂可以采用上述任意一种添加方式, 也可以是上述几种添加方 式的任意组合, 且添加减害添加剂的方式不限于此。 当在多个位置添加减害 添加剂时, 所述烟用薄片中减害添加剂的含量为总含量。
值得说明的是,本实施例中步骤 28所述制取强化纤维浆料的过程和步骤 21-步骤 27所述的制取农业副产物浆料的过程是两个独立的过程, 可以是先 后操作的顺序关系, 但并不限制其实现的先后循序, 也可以是并行操作的关 系。 其中, 本实施例的制备方法中各步骤的实现顺序只是一种优选方式, 例 如: 还可以先制取强化纤维浆料, 然后再制备农业副产物浆料; 也可以是同 时制取强化纤维浆料和农业副产物浆料。
本发明实施例三提供一种烟用薄片, 该烟用薄片可以根据本发明实施例 一和实施例二提供的制备方法制备而成。
本发明实施例四提供一种卷烟, 即, 该卷烟的可燃部分(如果是带过滤 嘴的香烟, 则指除滤嘴外的部分) 至少包含部分利用实施例一或实施例二方 法制备的烟用薄片。 对于常见的卷烟, 包括卷烟纸、 烟丝和滤嘴, 其中烟丝 被包裹在卷烟纸中, 并与滤嘴连接。 本发明提供的卷烟的烟丝中混有所述烟 用薄片切成的烟用薄片丝, 具体地, 可以将片烟和烟用薄片分别切丝, 然后 按一定比例混合, 或者将片烟与烟用薄片按一定的比例混合后一起切丝, 然 后将混合丝卷制成烟支。 其中, 烟用薄片是根据本发明提供的烟用薄片的制 备方法制备而成。
图 3为本发明实施例四提供的卷烟制备方法的流程图, 本实施例基于上 述实施例制备烟用薄片的方法实现, 如图 3所示, 本实施例的卷烟制备方法 包括: 步骤 31 , 以农业副产物为原料制备含减害添加剂的烟用薄片; 本步骤的详细过程可以参见实施例一或实施例二。
步骤 32,将片烟和所得到的烟用薄片分别切丝,然后按一定的比例混合, 或者将片烟与所得到的烟用薄片按一定的比例混合后一起切丝 , 然后将混合 丝卷制成烟支。
其中, 将烟用薄片切丝的过程可采用卷烟加工工艺中的切丝工序和设备 实现, 所切出的烟用薄片丝优选为与烟丝的长度、 宽度大致相同, 以便与普 通烟丝进行混合。 同样地, 将片烟与烟用薄片按一定的比例混合后一起切丝 的过程也可采用卷烟加工工艺中的切丝工序和设备实现。
本实施例中, 其中烟用薄片 (丝) 与片烟 (丝) 的混合物中, 所述烟用 薄片丝的含量可以为卷烟的可燃部分的 3~100 wt %, 该混合比例可以根据不 同的卷烟需求而定。 当该卷烟的可燃部分全部以除烟草外的农业副产物为原 料的烟用薄片丝加工而成时(烟用薄片丝含量 100wt% ) , 得到的卷烟为完全 不含烟丝的安全卷烟。 当然, 兼顾香烟对人体的危害和吸烟者的喜好与需求, 以及不同茶原料的特性, 本发明提供的卷烟中, 该烟用薄片丝的加入量优选 控制在 20-60wt%。 薄片丝的燃烧性要远远高于烟丝的燃烧性, 因此, 添加了烟用薄片丝的烟丝 的燃烧性提高了, 当卷烟在燃烧时, 其燃烧更加充分, 进而减少了燃烧过程 中产生的 CO等有害物质的释放量, 即可以同时使主流烟气和侧流烟气中的 有害物质减少, 具有减害效果; 进一步, 本实施例提供的卷烟制备方法所制 出的卷烟包含的烟用薄片丝是以农业副产物为原料制成的, 利用农业副产物 自身含有的减害物质, 能够提高减害效果; 另外, 烟用薄片中添加了减害添 加剂, 以烟用薄片为载体将减害添加剂应用于卷烟中, 在进一步提高减害效 果的同时, 克服了现有添加添加剂到烟丝或滤嘴时的各种缺陷。 结果表明本实施例制备的卷烟基本保持原有的吸味风格, 而通过添加不同比 例的烟用薄片, 其烟气中的氨、 3 , 4-苯并芘、 苯酚、 巴豆醛、 CO、 氢氰酸 以及亚硝胺等有害物质均有明显降低。
下面通过具体实验数据说明本发明实施例制备烟用薄片应用于卷烟中的 作用和效果。
将秸秆类植物原料按照实施例一的方法进行制浆、 抄造、 添加减害添加 剂 (例如沸石) 、 烘干等加工制取烟用薄片, 用于制造卷烟, 其中减害添加 剂 (沸石) 的添加量为 5%。 并进行如下实验:
实验 1
将该来自秸秆类植物的烟用薄片切丝, 并以 50%质量比与普通烟丝混合 后制成卷烟。 经过感官评吸, 卷烟原有的吸食风格基本不变, 而烟气测试结 果显示: 与未添加烟用薄片丝的卷烟相比, 其主流烟气中的氨降低了 19.0% , 氢氰酸降低了 16%, 3 , 4-苯并芘降低了 43.7%, 苯酚降低了 62.8%, 巴豆醛 降低了 25.3%, CO降低了 5%, 亚硝胺降低了 41%, 侧流烟气的有害成分也 有明显降低, 减害效果显著。
实验 2
将该烟用薄片切丝, 并以 25%质量比与普通烟丝混合后制成卷烟。 经过 感官评吸, 卷烟原有的吸食风格基本不变, 而烟气测试结果显示: 与未添加 烟用薄片丝的卷烟相比,其主流烟气中的氨降低了 15.3%,氢氰酸降低了 15%, 3 , 4-苯并芘降低了 31.5% , 苯酚降低了 30.2%, 巴豆醛降低了 39.1%, CO降 低了 5%, 亚硝胺降低了 36%, 侧流烟气的有害成分也有明显降低, 减害效果 明显。
将草本类植物原料按照实施例二方法进行制浆、抄造、添加入添加剂(例 如沸石 )、 烘干等加工制取烟用薄片, 并用于制造卷烟, 其中减害添加剂(沸 石) 的添加量为 4%。 相关的实验结果如下:
实验 3
将该烟用薄片切丝, 并以 50%质量比与普通烟丝混合后制成卷烟。 经过 感官评吸, 卷烟原有的吸食风格基本不变, 而烟气测试结果显示: 与未添加 烟用薄片丝的卷烟相比,其主流烟气中的氨降低了 18%, 氢氰酸降低了 17% , 3 , 4-苯并芘降低了 42%, 苯酚降低了 56.3%, 巴豆醛降低了 40.3%, CO降 低了 3.9% , 亚硝胺降低了 38% , 侧流烟气的有害成分也有明显降低, 减害效 果显著。
实验 4 将该烟用薄片切丝, 并以 25%质量比与普通烟丝混合后制成卷烟。 经过 感官评吸, 卷烟原有的吸食风格基本不变, 而烟气测试结果显示: 与未添加 烟用薄片丝的卷烟相比,其主流烟气中的氨降低了 14% ,氢氰酸降低了 13.5%, 3 , 4-苯并芘降低了 29.7% , 苯酚降低了 50.3%, 巴豆醛降低了 29.8%, CO降 低了 3.7% , 亚硝胺降低了 32%, 侧流烟气的有害成分也有明显降低, 减害效 果突出。
进一步, 通过上述实验数据可以看出, 本发明的技术方案以农业副产物 为原料制备烟用薄片, 并将制备的烟用薄片应用于卷烟中, 不仅在保持卷烟 吸食风格基本不变的前提下, 能够有效减少卷烟主流烟气和侧流烟气中有害 物质的释放量, 同时可以緩解烟草行业的烟草原料供应紧张的状况, 具有很 大的社会效益和经济效益, 另外, 烟用薄片中添加了减害添加剂, 以烟用薄 片为载体将减害添加剂应用于卷烟中, 在进一步提高减害效果的同时, 克服 了现有添加添加剂到烟丝或滤嘴时的各种缺陷。
最后应说明的是: 以上实施例仅用以说明本发明的技术方案, 而非对其 限制; 尽管参照前述实施例对本发明进行了详细的说明, 本领域的普通技术 人员应当理解: 其依然可以对前述各实施例所记载的技术方案进行修改, 或 者对其中部分技术特征进行等同替换; 而这些修改或者替换, 并不使相应技 术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims

权利 要求
1、 一种烟用薄片的制备方法, 所述烟用薄片以农业副产物为原料, 所述 制备方法包括以下工序;
将所述农业副产物置于 60-80 °C的水中进行时间为 20-30分钟的浸泡处理 以获取农业副产物润胀物, 或者将所述农业副产物置于常温水中进行时间为 0.5-6小时的浸泡处理以获取农业副产物润胀物;
将所述农业副产物润胀物进行搓丝, 获取农业副产物粗纤维;
将所述农业副产物粗纤维置于 60-80°C的水中进行时间为 20-30分钟的洗 涤处理以获取农业副产物纤维, 或者将所述农业副产物粗纤维置于常温水中 进行时间为 30-60分钟的洗涤处理以获取农业副产物纤维;
将所述农业副产物纤维进行磨浆处理, 制取农业副产物浆料;
将所述农业副产物浆料与经过磨浆处理制取的强化纤维浆料进行混合, 制取成浆, 使强化纤维浆料在成浆中的含量为 0-40wt%;
将所述成浆抄造成薄片片基, 并对所述薄片片基进行第一次烘干、 涂布 和第二次烘干处理以制取所述烟用薄片;
上述方法还包括在制取成浆工段和 /或对薄片片基涂布工段添加减害添 加剂的过程。
2、 根据权利要求 1所述的烟用薄片的制备方法, 其特征在于, 将所述农 业副产物浆料与经过磨浆处理制取的强化纤维浆料进行混合, 制取成浆的工 序包括:
将所述农业副产物浆料和所述强化纤维浆料送入配料池进行混合, 得到 混合浆料;
将上述混合浆料送入沖浆池, 添加填料并加入水稀释到预设浓度; 将上述经稀释到预设浓度的混合浆料送入高位箱, 添加助留剂并混合均 匀, 制取所述成浆。
3、 根据权利要求 1所述的烟用薄片的制备方法, 其特征在于, 将所述成 浆抄造成薄片片基, 并对所述薄片片基进行第一次烘干、 涂布和第二次烘干 处理涂布烘干处理以制取所述烟用薄片的工序包括:
将所述成浆送入成形网进行抄造处理, 以形成所述薄片片基; 对所述薄片片基进行第一次烘干处理,并在所述薄片片基上涂布涂布液; 将涂布所述涂布液的薄片片基进行第二次烘干处理以制取所述烟用薄 片。
4、 根据权利要求 2所述的烟用薄片的制备方法, 其特征在于, 在添加填 料到所述混合浆料中时还包括:
将所述减害添加剂与所述填料一起加入到所述混合浆料中。
5、 根据权利要求 4所述的烟用薄片的制备方法, 其特征在于, 将所述减 害添加剂与所述填料一起加入到所述混合浆料中的过程具体为:
将所述减害添加剂溶解或分散于水中, 并与所述填料混合均勾后加入到 所述混合浆料中。
6、 根据权利要求 2所述的烟用薄片的制备方法, 其特征在于, 将所述减 害添加剂与所述助留剂一起添加到所述经稀释到预设浓度的混合浆料中。
7、 根据权利要求 6所述的烟用薄片的制备方法, 其特征在于, 将所述减 害添加剂与所述助留剂一起添加到所述经稀释到预设浓度的混合浆料中的过 程具体为:
将所述减害添加剂溶解或分散于水中, 并与所述助留剂混合均匀后加入 到所述经稀释到预设浓度的混合浆料中。
8、 根据权利要求 3所述的烟用薄片的制备方法, 其特征在于, 在所述薄 片片基上涂布涂布液时还包括:
在所述薄片片基上涂布所述减害添加剂。
9、 根据权利要求 8所述的烟用薄片的制备方法, 其特征在于, 在所述薄 片片基上涂布所述减害添加剂的方法为:
将所述减害添加剂溶解或分散于水中, 并与所述涂布液混合均勾后一起 涂布到所述薄片片基上。
10、 根据权利要求 1-9任一项所述的烟用薄片的制备方法, 其特征在于, 所述减害添加剂的加入量为所述烟用薄片质量的 0.001~40%。
11、 一种按照权利要求 1-10任一项所述方法制备的烟用薄片。
12、 一种卷烟, 其特征在于, 该卷烟的可燃部分至少包含有利用权利要 求 11所述的烟用薄片加工的烟用薄片丝。
13、 根据权利要求 12所述的卷烟, 其特征在于, 所述烟用薄片丝含量为 该卷烟可燃部分质量的 3~100%, 其余为烟丝。
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