WO2007036092A1 - Procede et appareil d'ajout de poudre de tabac a une feuille de tabac obtenue selon la fabrication du papier - Google Patents

Procede et appareil d'ajout de poudre de tabac a une feuille de tabac obtenue selon la fabrication du papier Download PDF

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Publication number
WO2007036092A1
WO2007036092A1 PCT/CN2006/000484 CN2006000484W WO2007036092A1 WO 2007036092 A1 WO2007036092 A1 WO 2007036092A1 CN 2006000484 W CN2006000484 W CN 2006000484W WO 2007036092 A1 WO2007036092 A1 WO 2007036092A1
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WO
WIPO (PCT)
Prior art keywords
soot
tobacco
paper machine
roller
ash
Prior art date
Application number
PCT/CN2006/000484
Other languages
English (en)
French (fr)
Inventor
Xinliang Tan
Jianfu Liu
Jianshan Fu
Dafeng Yin
Changjian Deng
Gang Chen
Original Assignee
China Tobacco Hunan Industrial Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN 200520052034 external-priority patent/CN2824596Y/zh
Priority claimed from CN 200520052033 external-priority patent/CN2824595Y/zh
Priority claimed from CNB2005100322006A external-priority patent/CN100425170C/zh
Application filed by China Tobacco Hunan Industrial Corporation filed Critical China Tobacco Hunan Industrial Corporation
Priority to US12/088,407 priority Critical patent/US9016286B2/en
Priority to JP2008526351A priority patent/JP4659883B2/ja
Priority to EP20060722136 priority patent/EP1856990B1/en
Publication of WO2007036092A1 publication Critical patent/WO2007036092A1/zh

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms  with fixed axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
    • 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
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/47—Mixing of ingredients for making paper pulp, e.g. wood fibres or wood pulp
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0722—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis perpendicular with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0723—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis oblique with respect to the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/07—Stirrers characterised by their mounting on the shaft
    • B01F27/072—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0724—Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis directly mounted on the rotating axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/40—Feeding or discharging devices
    • B65G53/46—Gates or sluices, e.g. rotary wheels
    • B65G53/4608—Turnable elements, e.g. rotary wheels with pockets or passages for material
    • B65G53/4625—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow
    • B65G53/4633—Turnable elements, e.g. rotary wheels with pockets or passages for material with axis of turning perpendicular to flow the element having pockets, rotated from charging position to discharging position, i.e. discrete flow

Definitions

  • the present invention relates to a method of adding soot to a process for producing tobacco sheets by a papermaking process and a dedicated apparatus. Background technique
  • the tobacco sheet is a reconstituted tobacco leaf which is reconstituted by using tobacco waste materials such as tobacco, tobacco stems, tobacco leaf fragments and some low-grade tobacco leaves during the processing of the cigarette.
  • tobacco waste materials such as tobacco, tobacco stems, tobacco leaf fragments and some low-grade tobacco leaves during the processing of the cigarette.
  • tobacco sheets play an important role in reducing the release of cigarette tar and reducing the risk of cigarettes.
  • the papermaking method is widely used.
  • the tobacco sheet made by the papermaking method has better physical properties and better filling performance than the thick pulp sheet, which can effectively reduce the tar and harm of the cigarette smoke.
  • the preparation method of the paper-making tobacco sheet has the following steps: First, the tobacco material (tobacco stem, tobacco leaf fragments) is extracted by hot water, and the tobacco water-soluble substance is separated from the insoluble matter of the tobacco fiber by a solid-liquid separation step, and the obtained fiber is in paper. The machine was formed into a sheet base, and the obtained water-soluble substance was concentrated by distillation to obtain a tobacco concentrate. The resulting concentrate is dip coated or sprayed onto the sheet base and finally dried to form a tobacco sheet.
  • tobacco stem tobacco stem, tobacco leaf fragments
  • the raw materials used in the production of tobacco sheets for papermaking are stems and tobacco leaf fragments (more than 2 mm), and the diameter of 2 mm - 100 mesh ash produced during the processing of cigarettes, or by low-grade tobacco leaves,
  • the debris generated in the baking process that is difficult to utilize in the subsequent processing of the current process of the cigarette is not utilized, thereby causing waste of raw material resources.
  • the technical problem to be solved by the present invention is to provide a cigarette produced in the papermaking process.
  • the method of adding soot to the straw sheet process is used to solve the problem of poor quality of the inner layer of the tobacco sheet by the papermaking method, the weight of the wood gas, and the mildness of the smoke, and solve the problem of utilizing the 2mm-100 target soot resources discarded during the processing of the cigarette. Save resources and reduce the cost of cigarettes.
  • the method adopted by the present invention is: at least four of the four process points of the pipeline position from the ball-stabilizing tank to the headbox, the long net of the paper machine, the vacuum roll to the first press or the coating of the paper machine.
  • a process point is added to the soot, and the proportion of adding soot is 5%-30% by weight.
  • soot in the whole tobacco processing process, which is produced by mechanical, transporting, or the like, or is prepared from tobacco leaves and tobacco leaf fragments, and the portion having a diameter of less than or equal to 2 mm is collectively referred to as soot.
  • Adding soot to the slurry line process point from the solid state tank to the headbox means dry soot, which is mixed with all or part of the slurry before the net copying, and then copied into the substrate. Or it refers to soot, which is first mixed with water to form wet soot, and then partially or completely mixed with the slurry before net copying, and copied into the substrate.
  • the diameter of the soot is from 1 mm to 60 mesh.
  • Adding soot to the long-machine process point of the paper machine means uniformly spraying or directly adding soot to the wet pulp of the long net of the paper machine in the section of the headbox (also known as the headbox) to the vacuum roller of the paper machine.
  • Adding soot from the vacuum roll to the point of one press process means adding or uniformly spraying the soot from any point on the wet substrate from the beginning of the vacuum roll to one press.
  • Adding soot to the process point of the paper machine coating means adding soot to the process point of the paper machine coating the sheet concentrate and the added additive.
  • the coating includes one coat and two coats.
  • the number of meshes to be added to the process point of the paper machine long net process point, the vacuum roll roll to the one press process point, and the paper machine coating point is preferably 20 mesh - 100 mesh. More preferably, the soot has a diameter of 40-80 mesh.
  • the gum materials include carboxymethyl cellulose, starch, modified starch, xanthan gum, guar gum and the like.
  • the soot is added to the process point of the paper machine coating.
  • the present invention also provides an accessory device.
  • One of the equipments is suitable for processing 2 to make a 60 mesh size soot, called a coarse gray mixing device; the other is suitable for processing 20 to 100 mesh size soot, called fine Ash scattering device.
  • the coarse ash mixing device comprises a vertical mixing drum, and the vertical mixing drum is provided with a raw slurry inlet and a mixed pulp outlet, and a vertical stirring device is arranged axially in the upper part of the vertical mixing drum, and the lower part is radially arranged A horizontal agitating device, the coarse ash hopper is connected to the upper portion of the vertical mixing drum through a coarse ash feeding device.
  • the coarse ash feed device is a screw feed device.
  • a cleaning pipe is provided at an upper portion of the vertical mixing drum.
  • the coarse ash high-speed mixing device is combined with a vertical stirring device and a horizontal stirring device, and the coarse ash feeding device can be quantitatively fed to thoroughly mix the coarse ash and the original slurry.
  • the fine ash scattering device includes a silo disposed at an upper portion of the casing, and a fabric roller corresponding to the outlet of the silo is horizontally horizontally disposed in the casing, and is disposed on an outer surface of the fabric roller There is a trough capable of accommodating fine ash, and a quantitative controller corresponding to the fabric roller is disposed in the casing, and an action is provided between the outlet of the casing and the fabric roller One or more spreading brush rollers of the cloth roll.
  • one of the spreading brush rolls rotates in the same direction as the cloth roll and the other direction of rotation is opposite.
  • one or more points may be selected from only the above four process points, or two devices may be used at the same time (actually on one process stage) to add soot of different particle sizes.
  • the following two ash-added points are preferentially selected for simultaneous or separate ash production.
  • the diameter of 2 is used to add a 40-mesh soot to the slurry through the coarse ash mixing device, and the slurry is fully mixed with the slurry;
  • the spreading device sprays 20 mesh-100 mesh fine ash from the outlet of the casing onto the wet substrate on the water screen.
  • the essence of the present invention is to propose a method for adding soot in the process of producing tobacco sheets by the papermaking method based on the characteristics of the tobacco sheets and the quality of the tobacco sheets. After adding the soot by using the method, the smoking quality of the tobacco sheet is significantly improved, and the tobacco has the local flavor, which improves the use amount of the paper-making sheet in the tobacco formula, and solves the problem that is discarded in the processing of the cigarette - 100 Purpose Utilization of ash resources, saving resources and reducing the cost of cigarettes.
  • DRAWINGS 1 is a schematic view showing the structure of an embodiment of a coarse ash mixing device in the present invention.
  • Figure 2 is a left side view of the embodiment shown in Figure 1;
  • Figure 3 is a schematic view showing the structure of the fine ash scattering device of the present invention. detailed description
  • Examples 1 to 7 are examples of a soot adding process; Examples 8 through 9 are examples of a soot adding device. Example 1
  • 700kg tobacco stems and 700kg tobacco leaf fragments were soaked with 60 ⁇ 5 °C hot water and 30 ⁇ 5 °C for 1.5 hours, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments, liquid tobacco stem concentrate and tobacco leaves. Fragment concentrate.
  • the obtained tobacco stem and the tobacco leaf fiber are added to the fiber after the defibration (8%, the weight ratio of the sheet), and are formed into a fiber sheet substrate by a paper machine, and the tobacco stem extract is discarded, and the tobacco extract is concentrated by distillation. Re-dip onto the formed substrate, dry, tablet, and form.
  • the sheet structure After the appearance inspection, the sheet structure is loose, and the physical property index is qualified. After evaluation by the expert appraisal team, the flakes have a mild aroma, a sufficient amount of aroma, a rough flue gas, a rough throat, a new smell of smoke, a lignified gas and other miscellaneous breaths, and a heavy spice. Airy, weak head.
  • Example 2
  • 700kg tobacco stems and 700kg tobacco leaf fragments were soaked with 60 ⁇ 5 °C hot water and 30 ⁇ 5 °C for 1.5 hours, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments, liquid tobacco stem concentrate and tobacco leaves. Fragment concentrate.
  • the obtained tobacco stem and the tobacco leaf debris fiber are added with the fiber after the defibration (8%, the weight ratio of the flakes), and the designed ashing device is added with dry soot (particle size 20) in the slurry pipe process point from the stable tank to the headbox.
  • Mesh - 60 mesh made into a fiber sheet substrate by paper machine, the soot ratio is 20% (sheet weight ratio).
  • the tobacco stem extract is discarded, the tobacco extract is concentrated by distillation, and then dip-coated onto the formed substrate, dried, tableted, and formed.
  • Example 3 700kg tobacco stems and 700kg tobacco leaf fragments were soaked in 60 ⁇ 5 °C hot water and 30 ⁇ 5 °C for 1.5 hours, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments and liquid tobacco stem concentrate. Tobacco leaf debris concentrate.
  • the obtained tobacco stem and the tobacco leaf fiber are added to the fiber after the defibration (8%, sheet weight ratio), and 30% (by weight) dry soot (particle size 20 mesh - 60 mesh) is added to the finished pulp pool. Fibrous sheet substrate.
  • the tobacco stem extract is discarded, the tobacco extract is concentrated by distillation, and then dip-coated onto the formed substrate, dried, tableted, and formed.
  • the sheet structure is loose, and the physical property index is qualified.
  • the flakes After appraisal by the expert appraisal team, the flakes have sufficient aroma, good aroma, fine and soft flue gas, light woody gas, clean aftertaste and moderate head.
  • the sheet preferably maintains the original flavor of the tobacco and has good smoking quality.
  • 700kg tobacco stems and 700kg tobacco leaf fragments were soaked in 60 ⁇ 5 °C hot water and 30 ⁇ 5 °C for 1.5 hours, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments and liquid tobacco stem concentrate.
  • Tobacco leaf debris concentrate The obtained tobacco stem and the tobacco leaf debris fiber are added to the fiber after the defibration (8%, the weight ratio of the flakes), in the headbox (headbox) to the vacuum roller of the paper machine, the paper machine water filter net, the special add ash
  • the device uniformly sprayed 5% (by weight) dry soot (particle size 40-80 mesh) onto the wet pulp on the net, and made a fiber sheet substrate by paper machine.
  • the tobacco stem extract is discarded.
  • the tobacco extract is concentrated by distillation, dip-coated onto the formed substrate, dried, tableted, and formed.
  • 700kg tobacco stems and 700kg tobacco leaf fragments were soaked in 60 ⁇ 5 °C hot water and 30 ⁇ 5 °C for 1.5 hours, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments and liquid tobacco stem concentrate.
  • Tobacco leaf debris concentrate The obtained tobacco stems and tobacco leaf fragments fibers are added with defibrated additional fibers (8%, sheet weight ratio), and 20% (sheet weight ratio) dry soot (granules) is applied by a special adding soot device from a vacuum roll to a pressing process point. 50-80 mesh diameter) Spray evenly on the wet slurry on the transfer blanket (net).
  • the fiber sheet substrate was formed by paper machine.
  • the tobacco stem extract is discarded, the tobacco extract is concentrated by distillation, and then dip coated onto the formed substrate, dried, and tableted. forming.
  • the sheet structure is loose, and the physical property index is qualified.
  • the flakes After appraisal by the expert appraisal team, the flakes have sufficient aroma, good aroma, fine and soft flue gas, light woody gas, clean aftertaste and moderate head.
  • the sheet preferably maintains the original flavor of the tobacco and has good smoking quality.
  • 700kg tobacco stems and 700kg tobacco leaf fragments were soaked in 60 ⁇ 5 °C hot water and 30 ⁇ 5 °C for 1.5 hours, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments and liquid tobacco stem concentrate.
  • Tobacco leaf debris concentrate The obtained tobacco stem and tobacco leaf fiber are added to the fiber after defibration (8%, sheet weight ratio), and 10% (sheet weight ratio) dry soot (particle size 50-80 mesh) is added by mechanical stirring at a single coating process point. ), 0.1% CMC (sheet weight ratio).
  • the paper sheet was formed into a fiber sheet by a paper machine.
  • the tobacco stem extract is discarded, the tobacco extract is concentrated by distillation, and then dip-coated onto the formed substrate, dried, tableted, and formed.
  • 700kg tobacco stems and 700kg tobacco leaf fragments were soaked in 40 ⁇ 5 °C hot water and 50 ⁇ 5 °C for 1 hour, extracted, and separated by solid-liquid separation to obtain solid tobacco stems and tobacco leaf fragments and liquid tobacco stem concentrate and tobacco leaf fragments. Concentrate.
  • the obtained tobacco stems and tobacco leaf fragments fibers are added with defibrated added fiber (8%, sheet weight ratio), diameter 20-60 target soot, first mixed with water to form wet soot, and slurry line in the slurry tank to the headbox
  • the process points were added and formed into a fiber sheet substrate by a paper machine at a ratio of 20% (sheet weight ratio).
  • the tobacco stem extract is discarded, the tobacco extract is concentrated by distillation, and then dip-coated onto the formed substrate, dried, tableted, and formed.
  • the sheet structure is loose, and the physical property index is qualified.
  • the flakes After appraisal by the expert appraisal team, the flakes have sufficient aroma, good aroma, fine and soft flue gas, light woody gas, clean aftertaste and moderate head.
  • the sheet preferably maintains the original flavor of the tobacco and has good smoking quality.
  • the vertical mixing drum 15 is provided with a raw slurry inlet 9 and a mixed slurry.
  • W outlet 16 in the upper part of the vertical mixing drum 15, a vertical stirring device 13 is arranged in the axial direction, a horizontal stirring device 10 is arranged in the lower part, and the coarse ash hopper 1 1 is passed through the screw feeding device 12 and the vertical mixing drum 15 The upper portion is connected, and a cleaning tube 14 is provided at an upper portion of the vertical mixing drum 15.
  • the coarse ash is added to the coarse ash hopper 1, and the raw slurry is passed through the raw slurry inlet 9 into the vertical mixing drum 15, and the vertical stirring device 13 and the horizontal stirring device 10 are started to operate.
  • the coarse ash in the coarse ash hopper 1 1 is fed through the coarse ash feeding device 12, that is, the screw feeding device is fed by the quantitative counter-mixing drum 15, and the coarse ash and the original paddle are placed in the vertical mixing drum through the vertical stirring device and lying
  • the stirring device is stirred and mixed thoroughly, and the mixing is more uniform.
  • the coarse ash and the original slurry are uniformly mixed and then used to pass through the mixed pulp outlet to be used in the next process.
  • a silo 1 is disposed in the upper portion of the casing 6, and a fabric roller 3 corresponding to the outlet of the silo 1 is horizontally horizontally disposed in the casing 6, outside the fabric roller 3
  • the surface is provided with a trough 2 capable of accommodating fine ash
  • the casing 6 is provided with a material amount controller 8 corresponding to the cloth roller 3, at the outlet 5 of the casing 6 and the A first bulk brush roller 7 and a second bulk brush roller 4 acting on the cloth roll 3 are provided between the cloth rolls 3.
  • the 20 mesh-100 mesh fine gray is loaded in the silo 1, and the fabric roll 3 and the first bulk brush roll 7 and the second bulk brush roll 4 are activated, and the first bulk brush roll 7 and the cloth roll 3 are tangent.
  • the direction of motion is the same, and the second bulk brush roller 4 and the cloth roller 3 are tangentially moved in opposite directions.
  • the fine ash in the trough 2 of the roller 3 is rolled, and the fine ash in the trough 2 is evenly sprinkled by the first bulk brush roller 7 and the second bulk brush roller 4, from the outlet 5 of the casing 6. Spray onto the wet slurry on the water filter.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Paper (AREA)

Description

在造纸法生产烟草薄片中加入烟灰的方法及其设备 技术领域
本发明涉及一种在造纸法生产烟草薄片工艺中加入烟灰 的方法以及专用的设备。 背景技术
烟草薄片是以在卷烟加工过程中的烟草废弃料如烟末、 烟 梗、 烟叶碎片及部分低次烟叶等为原料， 经过重新组合加工而 成的再造烟叶。 一方面可以最大限度的利用烟叶原料， 节约卷 烟成本。 另一方面烟草薄片在降低卷烟焦油的释放量， 减低卷 烟危害方面发挥了重要的作用。 现有的烟草薄片的生产方法中 造纸法较为广泛采用。 采用造纸法制造的烟草薄片在物理性 能， 填充性能远远好于稠浆法薄片， 可以较有效的减低卷烟烟 气的焦油及危害。
通常造纸法烟草薄片其制备方法有以下步骤： 先将烟草物 料 （烟梗， 烟叶碎片） 用热水浸泡萃取， 经固液分离步骤将烟 草水溶物与烟草纤维等不溶物分离， 所得纤维在纸机上成型成 薄片片基， 所得水溶物经蒸馏浓缩， 得到烟草浓缩液。 所得浓 縮液浸涂或喷涂到薄片片基上， 最后经干燥成为烟草薄片。
现有技术中有许多关于造纸法生产烟草薄片的方法。 但是 现有技术所公开的对烟草薄片生产方法的改进主要集中在如 何处理薄片的生产原料上。
现有的造纸法制造烟草薄片的方法中， 都有烟叶碎片的萃 取过程。 由于萃取效率比较低， 烟草碎片中残留的大量的有用 烟草致香成分， 在后续长时间的加工过程中流失， 从而使造纸 法烟草薄片的评吸内在质量较差， 木质气重， 烟香平淡， 甚至 很少。
另一方面， 由于造纸法烟草薄片的生产采用的原料是烟梗 与烟叶碎片 （ 2mm 以上）， 而在卷烟加工过程中产生的直径 2mm- 1 00 目的烟灰， 或由低次烟叶， 打叶复烤工序产生的在卷 烟现行工艺后续加工工序难以利用的碎片没有利用， 从而造成 原料资源上的浪费。 发明内容
本发明所要解决的技术问题是提供一种在造纸法生产烟 草薄片工艺中加入烟灰的方法， 用以解决造纸法烟草薄片评吸 内在质量较差， 木质气重， 烟香平淡的问题， 解决在卷烟加工 过程中废弃的 2mm- 100 目的烟灰资源利用问题， 节约资源， 减 低卷烟成本。
为了解决上述技术问题， 本发明采用的方法是： 在稳浆箱 到流浆箱的管道位置、 纸机长网、 真空伏辊到一次压榨处或纸 机涂布处四个工艺点中的至少一个工艺点加入烟灰， 加烟灰的 比例以重量比计为 5%-30%。
本发明中烟灰是指在整个烟草加工过程中， 由于机械、 运 送等环节所产生的， 或用烟叶、 烟叶碎片制备的， 直径小于或 等于 2毫米的碎片部分统称为烟灰。
在稳浆箱到流浆箱的流浆管道工艺点加烟灰，是指干烟灰， 与上网抄造前浆料全部或部分混合， 再上网抄造成基片。 或是 指烟灰， 先与水混合成湿烟灰， 再与上网抄造前浆料部分或全 部混合， 上网抄造成基片。
优选烟灰的直径 l mm-60 目。
在纸机长网工艺点加烟灰， 是指在网前箱 （又称流浆箱） 到纸机真空伏辊一段的纸机长网的湿浆上均匀喷洒或直接加 入烟灰。
在真空伏辊到一次压榨工艺点加烟灰， 是指从真空伏辊开 始到一次压搾一段工艺路径上的湿基片上任何一点加入或均 匀喷洒烟灰。
在纸机涂布处工艺点加烟灰， 是指在纸机涂布薄片浓缩液 与外加添加剂的工艺点加烟灰。 涂布处包括一次涂布， 二次涂 布
在纸机长网工艺点、 真空伏辊到一次压搾工艺点、 纸机涂 布处工艺点加入烟灰的目数优选为 20 目- 100 目。 更优选烟灰 直径为 40-80 目。
在纸机涂布处工艺点加烟灰， 有直接加烟灰、 烟灰和胶相 结合加灰的两种方式。 其中的胶类物质包括羧甲基纤维素、 淀 粉、 改性淀粉、 黄原胶、 瓜儿豆胶等。
在纸机涂布处工艺点加烟灰， 为保持烟灰在涂布槽中的均 一性， 有机械搅拌与超声波搅拌两种方式。
为实现上述加烟灰工艺，本发明还提供了配套使用的设备。 其中一种设备适合于处理 2讓一 60 目大小烟灰， 称为粗灰混合 装置； 另一种设备适合于处理 20— 100 目大小的烟灰， 称为细 灰撒料装置。
粗灰混合装置中包括立式搅拌筒， 在立式搅拌筒上设有原 浆进口和混合浆出口， 在所述的立式搅拌筒上部轴向设有立式 搅拌装置， 下部径向设有水平搅拌装置， 粗灰料斗通过粗灰进 料装置与所述的立式搅拌筒上部连通。
粗灰进料装置为螺旋送料装置。
作为上述粗灰混合装置的一种改进， 在所述的立式搅拌筒 上部设有清洗管。
上述粗灰高速混合装置， 采用立式搅拌装置和卧式搅拌装 置相结合搅拌， 粗灰进料装置可采用定量进料， 使粗灰和原浆 充分混合。
细灰撒料装置中包括在机壳上部设有的料仓， 在所述的机 壳内轴向水平设有与所述的料仓出口对应的布料辊， 在所述的 布料辊外表面设有能容纳细灰的料槽， 在所述的机壳内设有与 所述的布料辊对应的定量控制器， 在所述的机壳的出口与所述 的布料辊之间设有作用于所述的布料辊的一个或多个撒料刷 辊。
优选设置两个撒料刷辊。
设置两个撒料刷辊时， 优选一个撒料刷辊的转动方向与布 料辊相同， 另一个转动方向相反。
在整个加烟灰过程中， 可以只在上述四个工艺点中选取一 个或多个点， 也可以在该点 （实际上是一个工艺段上） 同时使 用两种装置来加入不同粒度的烟灰。
优先选取以下两个加烟灰点同时或单独加灰进行生产。 一 是在稳桨箱到流浆箱的流浆管道工艺点， 通过粗灰混合装置加 入直径 2讓一 40 目的烟灰， 与浆料充分混合； 二是在纸机长网 工艺点， 用细灰撒料装置， 将 20 目- 100 目的细灰从机壳的出 口喷撒到滤水网上的湿基片上。
本发明的实质在于根据烟草薄片的特性， 从烟草薄片的吸 食质量出发， 提出了在造纸法生产烟草薄片的工艺中加入烟灰 的方法。 使用该方法加入烟灰后， 使烟草薄片的吸食质量得到 显著的提高， 带有烟草的本香， 提高了造纸法薄片在烟草配方 中的使用量， 解决了在卷烟加工过程中废弃的 2匪- 100 目的烟 灰资源利用问题， 节约资源， 减低卷烟成本。 附图说明 图 1是本发明中粗灰混合装置实施例的结构示意图
图 2是图 1 中表示的实施例的左视图；
图 3是本发明中细灰撒料装置的结构示意图。 具体实施方式
实施例 1 至 7为加烟灰工艺方法的实施例； 实施例 8至 9 是加烟灰装置的实施例。 实施例 1
700kg烟梗与 700kg烟叶碎片分别用 60 ± 5 °C热水及 30 ± 5 °C浸泡 1 . 5小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶 碎片、 液体烟梗浓缩液与烟叶碎片浓缩液。 所得烟梗与烟叶碎 片纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 经纸机抄 造制成纤维薄片基片， 烟梗萃取液舍弃不用， 烟碎萃取液经过 蒸馏浓縮， 再浸涂到成型的基片上， 干燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专家评吸小组评吸后认为： 该薄片香气较平淡，香气量足， 烟气粗糙， 喉感粗糙， 有新烟气味、 木质气及其它杂气口腔有 残留， 料香料味较重， 烟气散， 劲头小。 实施例 2
700kg烟梗与 700kg烟叶碎片分别用 60 ± 5 °C热水及 30 ± 5 °C浸泡 1. 5小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶 碎片、 液体烟梗浓缩液与烟叶碎片浓缩液。 所得烟梗与烟叶碎 片纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 在稳桨箱 到流浆箱的流浆管道工艺点经过设计的加灰装置加干烟灰 （粒 径 20 目- 60 目）， 经纸机抄造制成纤维薄片基片， 烟灰比例为 20% (薄片重量比）。 烟梗萃取液舍弃不用， 烟碎萃取液经过蒸 馏浓缩， 再浸涂到成型的基片上， 干燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专家评吸小组评吸后认为：该薄片香气较充足，香气质好， 烟气较细腻、 柔和， 微有木质气及其它杂气， 余味较干净， 劲 头适中。 该薄片较好的保持了烟草的本香， 能感受明显的烟草 气息， 吸食质量较好。 实施例 3 700kg烟梗与 700kg烟叶碎片份别用 60 ± 5 °C热水及 30 ± 5 °C浸泡 1. 5小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶 碎片与液体烟梗浓缩液与烟叶碎片浓縮液。 所得烟梗与烟叶碎 片纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 在成品浆 池加入 30% (重量比） 干烟灰 （粒径 20 目- 60 目） 经纸机抄造 制成纤维薄片基片。 烟梗萃取液舍弃不用， 烟碎萃取液经过蒸 馏浓缩， 再浸涂到成型的基片上， 干燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专 家评吸小组评吸后认为： 该薄片香气充足， 香气质较好， 烟气 较细腻、 柔和， 木质气轻， 余味较干净， 劲头适中。 该薄片较 好的保持了烟草的本香， 吸食质量好。 实施例 4
700kg烟梗与 700kg烟叶碎片份别用 60 ± 5 °C热水及 30 ± 5 °C浸泡 1 . 5小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶 碎片与液体烟梗浓缩液与烟叶碎片浓缩液。 所得烟梗与烟叶碎 片纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 在网前箱 (流浆箱） 到纸机真空伏辊一段， 纸机滤水网上， 经专用加烟 灰装置将 5% (重量比） 干烟灰 （粒径 40-80 目） 均匀喷洒在网 上的湿浆上， 经纸机抄造制成纤维薄片基片。 烟梗萃取液舍弃 不用， 烟碎萃取液经过蒸馏浓縮， 再浸涂到成型的基片上， 干 燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专 家评吸小组评吸后认为： 该薄片香气尚充足， 香气质中等， 烟 气尚细腻、 柔和， 有木质气及其它杂气， 余味尚干净， 劲头较 小。 实施例 5
700kg烟梗与 700kg烟叶碎片份别用 60 ± 5 °C热水及 30 ± 5 °C浸泡 1. 5小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶 碎片与液体烟梗浓缩液与烟叶碎片浓缩液。 所得烟梗与烟叶碎 片纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 在真空伏 辊到一次压搾工艺点经专用加烟灰装置将 20% (薄片重量比） 干烟灰 （粒径 50-80 目） 均匀喷洒在转移毯 （网） 上的的湿浆 上。 经纸机抄造制成纤维薄片基片。 烟梗萃取液舍弃不用， 烟 碎萃取液经过蒸馏浓縮， 再浸涂到成型的基片上， 干燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专 家评吸小组评吸后认为： 该薄片香气充足， 香气质较好， 烟气 较细腻、 柔和， 木质气轻， 余味较干净， 劲头适中。 该薄片较 好的保持了烟草的本香， 吸食质量好。 实施例 6
700kg烟梗与 700kg烟叶碎片份别用 60 ± 5 °C热水及 30 ± 5 °C浸泡 1. 5小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶 碎片与液体烟梗浓缩液与烟叶碎片浓缩液。 所得烟梗与烟叶碎 片纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 在一次涂 布处工艺点经机械搅拌加入 10% (薄片重量比） 干烟灰 （粒径 50-80 目）、 0. 1 % CMC (薄片重量比）。 经纸机抄造制成纤维薄 片基片。 烟梗萃取液舍弃不用， 烟碎萃取液经过蒸馏浓縮， 再 浸涂到成型的基片上， 干燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专 家评吸小组评吸后认为： 该薄片香气尚充足， 香气质中等， 烟 气尚细腻、 柔和， 有木质气及其它杂气， 余味尚干净， 劲头较 小。 实施例 7
700kg烟梗与 700kg烟叶碎片份别用 40 ± 5 °C热水及 50 ± 5 °C浸泡 1小时， 萃取， 经过固液分离， 得到固体烟梗与烟叶碎 片与液体烟梗浓缩液与烟叶碎片浓缩液。 所得烟梗与烟叶碎片 纤维加入解纤后的外加纤维 （8%， 薄片重量比）， 直径 20-60 目的烟灰， 先与水混合成湿烟灰， 在稳浆箱到流浆箱的流浆管 道工艺点加入， 经纸机抄造制成纤维薄片基片， 比例为 20% (薄 片重量比）。 烟梗萃取液舍弃不用， 烟碎萃取液经过蒸馏浓缩， 再浸涂到成型的基片上， 干燥， 打片， 成型。
经外观检测， 薄片结构疏松， 物理性状指标检测合格。 专 家评吸小组评吸后认为： 该薄片香气充足， 香气质较好， 烟气 较细腻、 柔和， 木质气轻， 余味较干净， 劲头适中。 该薄片较 好的保持了烟草的本香， 吸食质量好。 实施例 8
参见图 1和图 2， 立式搅拌筒 15设有原浆进口 9和混合浆 W 出口 16， 在立式搅拌筒 15上部， 轴向设有立式搅拌装置 13， 下部径向设有卧式搅拌装置 10， 粗灰料斗 1 1 通过螺旋进料装 置 12 与立式搅拌筒 15 上部连通， 在立式搅拌筒 15 上部设有 清洗管 14。
采用上述技术方案的粗灰高速混合装置， 将粗灰加入粗灰 料斗 1 1， 原浆通过原浆进口 9 进入立式搅拌筒 15， 启动立式 搅拌装置 1 3 和卧式搅拌装置 10运转， 粗灰料斗 1 1 内的粗灰 通过粗灰进料装置 12， 即螺旋进料装置采用定量对立式搅拌筒 15供料， 粗灰和原桨在立式搅拌筒内经立式搅拌装置和卧式搅 拌装置搅拌充分搅拌混合， 混合更加均匀， 粗灰和原浆均匀混 合后经混合浆出口进入下道工序使用。
立式搅拌筒 1 5停止运行后， 排空物料， 可经清洗管 14对其 进行清洗， 清洗液经混合浆出口 16排出。 实施例 9
参见附图 3， 在机壳 6 上部设有料仓 1， 在所述的机壳 6 内轴向水平设有与所述的料仓 1 出口对应的布料辊 3， 在所述 的布料辊 3 外表面设有能容纳细灰的料槽 2， 在所述的机壳 6 上设有与所述的布料辊 3对应的料量控制器 8， 在所述的机壳 6 的出口 5 与所述的布料辊 3之间设有作用于所述的布料辊 3 的第一散料刷辊 7和第二散料刷辊 4。
将 20 目- 100 目的细灰装在料仓 1 内， 启动布料辊 3和第一 散料刷辊 7和第二散料刷辊 4， 第一散料刷辊 7和布料辊 3相 切的运动方向相同， 第二散料刷辊 4和布料辊 3相切的运动方 向相反。 细灰进入到布料辊 3上的料槽 2 内， 通过调节料量控 制器 8可控制布料辊 3的细灰卷出量， 第一散料刷辊 7和第二 散料刷辊 4对布料辊 3的料槽 2 内的细灰进行滚刷， 料槽 2 内 的细灰在第一散料刷辊 7和第二散料刷辊 4作用下均匀撒下， 从机壳 6的出口 5喷撒到滤水网上的湿浆上。

Claims

权 利 要 求
1、 一种在造纸法生产烟草薄片工艺中加入烟灰的方法， 其特征是： 在稳浆箱到流浆箱的管道位置、 纸机长网、 真空伏 辊到一次压榨处和纸机涂布处四个工艺点中至少一个点加入 烟灰， 加烟灰量以干浆重计为 5%- 30%。
2、根据权利要求 1所述的一种在造纸法生产烟草薄片工艺 中加入烟灰的方法， 其特征是在稳浆箱到流浆箱的流浆管道工 艺点加烟灰， 是指 （1 ) 直径 2mm- 60 目的烟灰或烟叶碎片， 与 上网抄造前浆料全部或部分混合， 再上网抄造成基片； 或 （2 ) 直径 2匪- 60 目的烟灰或烟叶碎片， 先与水混合成湿烟灰， 再 与上网抄造前浆料部分或全部混合， 上网抄造成片基。
3、根据权利要求 1所述的一种在造纸法生产烟草薄片工艺 中加入烟灰的方法， 其特征是优选烟灰直径为 1 mm- 60 目。
4、根据权利要求 1所述的一种在造纸法生产烟草薄片工艺 中加入烟灰的方法， 其特征是在纸机长网工艺点加烟灰， 是指 在网前箱到纸机真空伏辊一段纸机滤水网上加入烟灰， 将烟灰 均匀喷洒在网上的湿浆上。
5、根据权利要求 1所述的一种在造纸法生产烟草薄片工艺 中加入烟灰的方法， 其特征是在真空伏辊到一次压榨工艺点加 烟灰， 是指从真空伏辊转移滤水后基片到一次压榨一段工艺路 径上加入烟灰。
6、根据权利要求 5所述的一种在造纸法生产烟草薄片工艺 中加入烟灰的方法， 其特征是： 将烟灰均匀喷洒在转移毯或网 上的湿基片上。
7、根据权利要求 1所述的一种在造纸法生产烟草薄片工艺 中加入烟灰的方法， 其特征是： 所述的在纸机涂布处工艺点加 烟灰， 是指在纸机涂布薄片浓缩液与外加添加剂的工艺点加入 烟灰， 包括一次涂布， 二次涂布， 直接加烟灰或烟灰和胶相结 合， 采用机械搅拌或超声波搅拌。
8、 根据权利要求 4-8之一的加入烟灰的方法， 其特征在于 加入烟灰的目数优选为 20 目- 100 目。更优选烟灰直径为 40 - 80 目。
9、 粗灰混合装置， 包括立式搅拌筒， 在立式搅拌筒 （15 ) 上设有原浆进口 （9 ) 和混合浆出口 （ 16 )， 在所述的立式搅拌 筒 （ 15 ) 上部轴向设有立式搅拌装置 （ 13 )， 下部径向设有卧 O 2007/036092 式搅拌装置 （ 10)， 粗灰料斗 （ 11) 通过粗灰进料装置 （ 12) 与所述的立式搅拌筒 （ 15) 上部连通。
10、 根据权利要求 9所述的粗灰混合装置， 其特征在于所述 的粗灰进料装置 （ 12) 为螺旋送料装置。
11、 根据权利要求 9或 10所述的粗灰混合装置， 其特征在 于所述的立式搅拌筒 （15) 上部设有清洗管 （ 14)。
12、 细灰撒料装置， 包括在机壳 （6) 上部设有的料仓 （1)， 在所述的机壳 （6) 内轴向水平设有与所述的料仓 （1) 出口对 应的布料辊 （3)， 在所述的布料辊 （3) 外表面设有能容纳细 灰的料槽 （2)， 在所述的机壳 （6) 内设有与所述的布料辊 （3) 对应的定量控制器 （8)， 在所述的机壳 （6) 的出口 （5) 与所 述的布料辊 （3) 之间设有作用于所述的布料辊 （3) 的撒料刷 辊 （4、 7)。
13、 根据权利要求 12所述的细灰撒料装置， 其特征在于在 所述的机壳 （6) 的出口 （5) 与所述的布料辊 （3) 之间设有 作用于所述的布料辊 （3) 的撒料刷辊 （4、 7) 为两个。
14、 根据权利要求 13所述的细灰撒料装置， 其特征在于在 所述一个撒料刷辊的转动方向与布料辊转动方向相同， 另一个 转动方向相反。
15、 根据权利要求 1-8之一所述的加入烟灰的方法， 其特征 在于在一个或两个所述的加灰工艺点， 使用权利要求 9 至 11 之一的粗灰混合装置或 /和权利要求 12 至 14 之一所述的细灰 撒料装置进行加灰。
16、 根据权利要求 15所述的加入烟灰的方法， 其特征在于 优选在稳浆箱到流浆箱的流浆管道工艺点， 通过权利要求 9至 11之一的粗灰混合装置加入直径 2匪一 40 目的烟灰， 与浆料充 分混合； 并在纸机长网工艺点， 用权利要求 12至 14之一所述 的细灰撒料装置， 将 20 目- 100 目的细灰从机壳的出口喷撒到 滤水网上的湿基片上。
PCT/CN2006/000484 2005-09-28 2006-03-24 Procede et appareil d'ajout de poudre de tabac a une feuille de tabac obtenue selon la fabrication du papier WO2007036092A1 (fr)

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