EP4072325A1 - Verfahren zur herstellung einer tabakpaste und rekonstituiertem tabak, tabakhaltige folie und anlage zur herstellung von rekonstituiertem tabak - Google Patents
Verfahren zur herstellung einer tabakpaste und rekonstituiertem tabak, tabakhaltige folie und anlage zur herstellung von rekonstituiertem tabakInfo
- Publication number
- EP4072325A1 EP4072325A1 EP20764595.3A EP20764595A EP4072325A1 EP 4072325 A1 EP4072325 A1 EP 4072325A1 EP 20764595 A EP20764595 A EP 20764595A EP 4072325 A1 EP4072325 A1 EP 4072325A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tobacco
- paste
- film
- unit
- powder
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 231
- 241000208125 Nicotiana Species 0.000 title claims abstract description 230
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 87
- 239000000463 material Substances 0.000 claims abstract description 138
- 239000011230 binding agent Substances 0.000 claims abstract description 81
- 239000000843 powder Substances 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000002245 particle Substances 0.000 claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims abstract description 16
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 10
- 244000007835 Cyamopsis tetragonoloba Species 0.000 claims abstract description 10
- 239000012254 powdered material Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 59
- 238000001125 extrusion Methods 0.000 claims description 41
- 241000196324 Embryophyta Species 0.000 claims description 35
- 238000004804 winding Methods 0.000 claims description 30
- 238000001035 drying Methods 0.000 claims description 29
- 235000013311 vegetables Nutrition 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 15
- 229920002678 cellulose Polymers 0.000 claims description 13
- 239000001913 cellulose Substances 0.000 claims description 13
- 238000010298 pulverizing process Methods 0.000 claims description 13
- 235000013312 flour Nutrition 0.000 claims description 9
- 238000005194 fractionation Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 3
- 238000001879 gelation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 235000012054 meals Nutrition 0.000 abstract 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 24
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 23
- 238000011161 development Methods 0.000 description 21
- 230000018109 developmental process Effects 0.000 description 21
- 235000011187 glycerol Nutrition 0.000 description 11
- 239000011888 foil Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002103 nanocoating Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco
Definitions
- the present invention relates to a method for producing a tobacco paste and reconstituted tobacco, a tobacco-containing film, film sections and film scraps and a plant for the production of reconstituted tobacco.
- the aerosol-forming substrate has reconstituted tobacco foil.
- a particularly smooth and homogeneous tobacco sheet must be produced for use in the alternative smoking products.
- a known manufacturing method is disclosed, for example, in WO19086417. In a first production step, a muddy mass of tobacco powder, binding agent, glycerine and water is produced, which is flattened in a further process step and then dried. By making a muddy mass, this mass has a high moisture content. This high moisture content leads to a high drying effort in a downstream drying device.
- the disadvantage of this manufacturing process is the processing of a sludgy mass that has to be dried with a high expenditure of energy.
- the object of the present invention is to provide a method for producing a tobacco paste and reconstituted tobacco, a tobacco-containing film, film sections and film snippets and a plant for the production of reconstituted tobacco, the production of the reconstituted tobacco film, the tobacco paste, ta bakegon film , the film sections and film snippets with low energy consumption and advantageous material properties, in particular with an advantageous relationship between production costs and material properties.
- the object is achieved by a method for producing a tobacco paste, which can be used in particular for producing reconstituted tobacco, the method having the following steps: providing a powdery material with a predetermined particle size, preferably a particle size smaller than 350 ⁇ m, particularly preferred between 5 pm and 250 pm or between 120 pm and 300 pm, the material preferably comprising tobacco powder, providing a highly viscous, water-based binder gel which, in particular, has a viscosity of at least 1000 cP, preferably between 10,000 cP and 50,000 cP What water content of at least 50%, preferably between 60% and 80%, and at least one binder, for example guar flour and / or carboxymethyl cellulose (CMC); Mixing the powdery material with the binder gel to form a tobacco paste, which is in particular essentially solid, the tobacco paste having a water content or moisture content of preferably a maximum of 50%.
- a powdery material with a predetermined particle size, preferably a particle size smaller than 350 ⁇ m, particularly preferred between 5
- the tobacco paste has adequate binding and strength properties, which are advantageously suitable for further processing into a tobacco film. Since the binding agent is mixed with a liquid, in particular with water, in a separate process step, optimal binding properties can arise before the binding agent is mixed with the tobacco powder is mixed up.
- the binder gel preferably has no further powdery or fibrous materials.
- the highly viscous, water-based binder gel which preferably has at least water, a binder and glycerin or propylene glycol
- a binder and glycerin or propylene glycol can be provided, for example, in such a way that the glycerin or propylene glycol is mixed with the binder in a first step and in a subsequent second step the mixture of binder and glycerine or propylene glycol is mixed with water.
- the binding agent can be mixed with glycerine or propylene glycol and dissolving in the liquid without the binding agent reacting with water and possibly clumping during the mixing process.
- Such a method allows both a continuous and a batch production method to be implemented.
- the powdery material tobacco powder and vegetable powder and / or preferably powdery additives in particular having cellulose, preferably in powder or fiber form, and preferably the ratio Cellulose of the plant powder and tobacco powder is a maximum of 20%, preferably a maximum of 12% or a maximum of 8% and in particular a minimum of 2%, preferably 4%.
- the vegetable powder preferably has no tobacco powder.
- percentages always represent percentages by weight.
- the use of further powdery additives improves the material properties of the tobacco paste and, in particular, the properties of the material. properties of tobacco foil.
- the powdery material in particular the tobacco powder and / or the vegetable powder, has a particle size of less than 350 ⁇ m, preferably between 5 ⁇ m and 250 ⁇ m. With corresponding particle sizes, a homogeneous tobacco paste and thus also a homogeneous tobacco film can be produced.
- the powdery material in particular the tobacco powder and / or the vegetable powder, has a moisture content or water content per unit weight of less than 18%, preferably between 7% and 12%.
- the powdery material as parts, preferably with an average mass greater than 1 g per part, to a particle size of less than 350 ⁇ m, preferably less than 250 ⁇ m, in exactly one process step for comminution, in particular with exactly a comminution device, zer is comminuted and in particular no stepped comminution takes place.
- a cost-effective one-step process is preferred for producing the powdered material in a given particle size.
- the moisture content during shredding has an influence on the end product.
- the binder gel binder with a percentage by weight between 2% and 25%, preferably in powder or fiber form with a particle size of less than 150 mih, particularly preferably between 20 mih and 100 pm.
- a homogeneous binder gel can be produced using binders with such a particle size and a corresponding ratio to the liquid.
- the tobacco paste has a moisture content or water content between 10% and 40%, optionally between 20% and 30%.
- the object is also achieved by a method for producing reconstituted tobacco, the method comprising a method for producing a tobacco paste, and the method for producing reconstituted tobacco having the following additional process step: extruding the tobacco paste into an extruded profile, which in particular is essentially solid and / or has a low water content or moisture content of preferably a maximum of 50%, preferably between 10% and 40%, and furthermore preferably between 20% and 30%.
- the tobacco paste can advantageously be extruded and particularly advantageously further processed in a subsequent method step, in particular a flattening process.
- the tobacco paste is heated to a temperature between 20 ° C. during extrusion and 60 ° C, preferably between 30 ° C and 40 ° C, and / or the tobacco paste during extrusion has a pressure between 10 bar and 40 bar, preferably between 20 bar and 30 bar. If the tobacco paste is exposed to increased pressures and / or increased temperatures, this will impair the taste and consistency of the tobacco paste.
- the method has the following additional step: cutting off portions of the extruded profile, a sequence of portions of tobacco paste being produced, with each portion preferably not exceeding 200 g has a maximum of 100 g and / or has a maximum volume of 10 cm 3 , preferably 8 cm 3 and particularly preferably 5 cm 3 .
- the method for producing a tobacco paste or the method for producing reconstituted tobacco has the following additional process step: flattening the portions or the tobacco paste into a flat material web with a thickness, preferably of a maximum of 2 mm, particularly preferably of a maximum of 1.2 mm or a thickness between 30 ⁇ m and 500 ⁇ m, and / or with a width, preferably between 30 cm and 3 m, particularly preferably between 30 cm and 2 m.
- the portions or the tobacco paste are flattened by a rolling, rolling or flattening process and / or the portions or tobacco paste have a moisture content of a maximum of 30% or 35%, particularly preferably a moisture content between 25% and 30%, and in particular the flattening is carried out by a multi-stage rolling or rolling process, preferably arranged directly one behind the other.
- the method has the following additional method step: drying the flat material web to form a dried material web, preferably to a moisture content of less than 20%, particularly preferably to one Moisture content between 4% and 16%.
- the method has the following additional method step: winding the flat material web, in particular a film web, onto a reel.
- the two sides of the flat web of material or the dried web of material are cut before winding, so that a reconstituted tobacco sheet with a predetermined, in particular essentially constant, width arises.
- the flat material web or the dried material web is cut into two or more material webs made of re constituted tobacco foil, in particular with a width between 100 mm and 300 mm, preferably between 120 mm and 250 mm, takes place, which are then wound up separately from one another to form bobbins.
- the winding is implemented by a winding device with at least one winding hub and two or more material webs of reconstituted tobacco foil are arranged next to one another on the same winding hub and are each wound into bobbins.
- a tobacco-containing film, foil sections or film snippets which have the following: tobacco powder with a particle size smaller than 350 ⁇ m, preferably smaller than 250 ⁇ m, and in particular with a weight percentage of the dry matter of the tobacco-containing film, the film sections or film snippets between 65% and 90%, preferably between 70% and 85%, cellulose in particle or fiber form with an average particle size smaller than 350 ⁇ m, preferably smaller than 250 ⁇ m, in particular with a weight fraction of the dry mass of the tobacco-containing film, the film sections or Film snippets between 3% and 10%, a binder, preferably carboxymethyl cellulose (CMC) and / or guar flour, in particular with a proportion by weight of the dry matter of the tobacco-containing film, the film sections or film snippets between 2% and 10%, particularly preferred between 4% and 8%, the proportion of cellulose being lower than the A
- the proportion of binder and / or the ratio of cellulose to tobacco powder is less than 1/14,
- the film, film section or film snippets have a density between 500 mg / cm 3 and 1000 mg / cm 3 , preferably between 700 mg / cm 3 and 950 mg / cm 3 has or have.
- a recipe can be used to produce tobacco-containing films which have a low density and which meet the standards of processing in production machines in the tobacco-processing industry.
- the tobacco-containing film, the film sections or film snippets, in particular special film strips have a width between 0.5 mm and 4 mm, the mass-to-surface ratio being greater than 0.08 mg / mm 2 , greater than 0 .07 mg / mm 2 , greater than 0.06 mg / mm 2 , greater than 0.05 mg / mm 2 or greater than 0.04 mg / mm 2 , preferably less than 0.089 mg / mm 2 , less than 0.088 mg / mm 2 or less than 0.08 mg / mm 2 .
- Such film strips have a homogeneous structure, sufficient material properties for processing in machines of the tobacco processing industry and a low density.
- the tobacco-containing film sections or film snippets have a maximum width of 2 mm and a maximum length of 25 mm and / or a thickness between 180 ⁇ m and 300 ⁇ m.
- a material pulverization system which is designed to produce a powdery material with a predetermined particle size, the powdery material preferably tobacco powder and / or vegetable powder, preferably in particle form or fiber form; a gelation machine which is designed to produce a highly viscous, water-based binder gel, preferably with a viscosity of at least 1000 cP, preferably between 10,000 cP and 50,000 cP; a mixing unit that is designed and set up to mix the powdery material from the material pulverization system with the binder gel from the gelling machine to form a tobacco paste that is in particular essentially solid and also in particular has a water or moisture content of a maximum of 50% .
- the plant for the production of reconstituted tobacco preferably has a control unit.
- the plant for the manufacture of reconstituted tobacco additionally has the following: an extrusion unit which is designed to extrude the tobacco paste from the mixing unit and to press it from an outlet, preferably an extrusion nozzle, that an extruded profile made of tobacco paste is produced, wherein in particular the extrusion unit has a pressure sensor, preferably arranged adjacent to the outlet of the extrusion unit, and / or a temperature control unit, which is formed the tobacco paste in the extrusion unit in at least one section or sub-area of the extrusion unit to a temperature between 20 ° C and 60 ° C, preferably between 30 ° C and 40 ° C.
- the plant for the production of reconstituted tobacco is further developed in that it has the following: a fractionation unit which is designed to cut up the profile extruded from the extrusion unit in order to produce a sequence of portions of tobacco paste, and preferably a rotating one Has separating element, preferably a rotating blade.
- the plant for the production of reconstituted tobacco has the following: a rolling or flattening unit which is designed to flatten or roll the portions of tobacco paste in order to produce a flat web of material; and in particular has a humidity sensor which is connected in particular to a central control unit in order to detect the moisture content of the portions, the tobacco paste or the flat mate rialbahn and in particular to generate a signal to the Gelierma machine.
- a drying unit which is suitable for drying the material web produced by the roller or flattening unit, so that in particular the dried material web has a moisture content of less than 20 %, preferably between 4% and 16%, particularly preferably between 6% and 10%
- the drying unit in particular having at least one sensor that detects the moisture content of the dried material web and / or the flat material web, and preferably with a central one Control unit is connected and is preferably arranged at the entrance and / or at the exit of the drying unit. Particularly before given, the sensor generates a signal to the drying unit.
- the drying unit preferably has an inlet for the flat material web and an outlet for the dried material web.
- a provision device for tobacco paste 10 or for portions 100 of tobacco paste 10 the provision device in particular a material pulverization system 2, which is designed to be a pul To produce deformable material 11 with a predetermined particle size, wherein the powdery material 11 preferably tobacco powder 12 and / or vegetable powder 14, preferably in particle form or fiber form, and in particular a gelling machine 3, which is designed to produce a highly viscous binder gel 13 based on water, preferably with a viscosity of at least 1000 cP, preferably between 10,000 cP and 50,000 cP, and in particular a mixing unit 4, which is designed and set up the powdery material 11 from the material To mix the pulverization system 2 with the binder gel 13 from the gelling machine 3 to form a tobacco paste 10 which is essentially solid and has a low water or moisture content of preferably a maximum of 50%; and a roller unit 7 which is designed to flatten and / or roll the
- the gelling machine 3 is designed and set up to produce a binder gel 13 that has water, binder and glycerin or propylene glycol.
- the gelling machine 3 has a Mixing device that mixes glycerol or propylene glycol with the bin deffen, the mixing device being upstream of a water supply.
- Such an arrangement allows the binding agent to be mixed with glycerine or propylene glycol without water in order to prevent the binding agent from clumping or reacting prematurely with the water.
- a sensor device SE is preferably arranged downstream of the roller pair 71, 71 or the roller pair 71, 72, which sensor device is designed and designed to determine the thickness of the material web.
- the sensor device SE is preferably arranged in the angle unit.
- the sensor device SE is preferably connected to an adjustment unit which can change and / or adapt at least one gap dimension S 1, S2 of the roller pairs 71, 71, 71, 72.
- the system 1 is preferably designed to control and / or regulate the at least one gap dimension S 1, S2 based on the measurement data of the sensor device SE.
- the sensor device detects the thickness of the material web, for example by means of a transmitted light measuring method, with the detection of the gray levels of certain material web sections inferring the thickness.
- the plant 1 described immediately above can advantageously be developed in accordance with the preferred embodiments and modifications mentioned above with regard to the plant 1 for the production of reconstituted tobacco. These advantageous embodiments can be transferred / applied to the system 1 described immediately above.
- Another object of the present invention is the production of a flat material web from reconstituted tobacco material, in particular a reconstituted tobacco sheet, with low energy Expenditure and advantageous material properties, in particular an advantageous ratio of production costs and material properties of the material web, using a separating device for releasing the flat material web from a drum body.
- a separating device for separating a flat web of material from a drum body, in particular by a scraper, which is preferably arranged at the delivery point of the drum body, with the radius of the drum body at the delivery point and the separating device , in particular the scraper, an angle alpha is formed, the angle alpha being between 50 ° and 80 °, preferably between 62 ° and 73 °.
- the release point of the drum body is the point at which the flat web of material separates from the drum body.
- the separating device in particular the scraper, is preferably designed to be heatable, preferably to a temperature between 40.degree. C. and 90.degree. C., particularly preferably to a temperature between 50.degree. C. and 70.degree.
- the separating device is preferably provided at least in sections with a coating which preferably has PTFE (polytetrafluoroethylene), ceramic or tungsten carbide.
- the separating device is optionally provided with a nano-coating at least in sections.
- the separating device is preferably designed as a bi-metal scraper.
- Fig. 1 shows a schematic overview of a system for the produc- tion of a tobacco-containing film
- Fig. 2 shows an embodiment of a material pulverization plant within a plant
- Fig. 3 shows an embodiment of a gelling machine
- Fig. 4 shows an embodiment of a mixing unit
- Fig. 5 shows an embodiment of an extrusion unit and a fractionation unit
- Fig. 6 shows an embodiment of a flattening unit between a fractionation unit and a drying unit
- Fig. 7 shows a drying unit and a winding unit.
- FIG. 1 a plant / production plant 1 for the production of reconstructed tobacco is shown schematically in a block diagram.
- a tobacco powder 12 is provided in two mutually independent work strands in the material pulverization system 2 for the production of tobacco powder and a binder gel 13 is provided in the gelling machine 3 for the production of a binder gel 13.
- a tobacco material is fed, which preferably has vegetable tobacco material, film residues or otherwise constituted tobacco. After a foreign body has been detected, a comminution process takes place, as a result of which a powdery material 11 is produced.
- the shredding process is beneficial with a micronizing mill 21 implemented (see. Fig. 2).
- the powdery material 11 has a particle size of less than 350 ⁇ m, preferably a particle size between 5 ⁇ m and 250 ⁇ m.
- the moisture or the water content of the pulverulent material is advantageously less than 18%, preferably between 7% and 12%.
- percentages are percentages by weight.
- the powdery material 11 has tobacco powder 12 and in particular plant powder 14, the proportion of plant powder being less than 30%, preferably between 2% and 10%.
- the term plant powder 14 particularly does not describe the plant components contained in the tobacco powder, in particular the plant powder 14 contained in the tobacco powder 12.
- An advantageous particle size of the pulverulent material 11 or of the plant powder 14 is between 40 ⁇ m and 150 ⁇ m or between 20 ⁇ m and 140 pm.
- the particle size of the powdery material 11 or of the plant powder 14 is advantageously smaller than 300 ⁇ m.
- the gelling machine 3 for producing a binder gel 13 has a device for providing liquid, in particular water, and a binder 15, which preferably has guar flour or carboxymethyl cellulose (CMC).
- the moisture or the water and the binder 15 are mixed in one process step, so that a binder gel 13 with a viscosity greater than 1000 cP, preferably with a viscosity between 10,000 cP and 50,000 cP, is produced.
- the unit cP is a unit for dynamic viscosity and denotes centi poise.
- the binder gel 13 advantageously has a moisture content greater than 50%, before given a moisture content between 60% and 80%.
- the binder gel 13 is preferably a water-based binder gel 13.
- the binder gel 13 advantageously has a binder 15 which is preferably powdery and has a particle size smaller than 150 ⁇ m, preferably a particle size between 20 ⁇ m and 100 ⁇ m .
- the binder 15 preferably has a smaller particle size than the pulverulent material.
- the binder gel 13 preferably has a proportion of binder 15 between 2% and 25%.
- the powdery material 11 produced in the material pulverization plant 2 and the binder gel 13 produced in the gelling machine 3 is mixed in a mixing unit 4 and extruded in an extrusion unit 5 to form an extruded profile 16.
- the extrusion unit 5 is followed by a fractionation unit 6 which divides the extruded profile 16 into portions 100 of tobacco paste 10 (cf. FIGS. 5, 6).
- the portions 100 of tobacco paste 10 are flattened by a flattening unit 7 or roller unit 7 and fed to a drying unit 8.
- This can be a tunnel dryer, which preferably has a hot air oven, infrared oven or microwave oven. In this context, the term oven is only to be understood as a device for drying.
- the drying unit 8 is followed by a winding unit 9 on which the dried material web 102, preferably tobacco foil 103 cut to a constant width and preferably tobacco foil cut into several individual foil webs 104, is wound onto individual bobbins (cf. FIG. 7).
- the material pulverization plant 2 is shown in FIG. From egg nem reservoir or via a filler neck, the starting material is to be introduced into the micronizing mill 21 and on a to shred predefined particle size.
- the tobacco powder 12, the plant powder 14 and / or the powdery material 11 is or are to be comminuted in one process step to the desired particle size, in particular a particle size smaller than 150 ⁇ m, preferably to a particle size between 5 ⁇ m and 250 ⁇ m.
- the moisture content and / or water content is less than 18%, before given between 7% and 12%.
- the micronizing mill 21 preferably has a side or bottom outlet, as a result of which the pulverulent material 11 is conveyed via a separator 22 or a device, optionally directly, into a solid dust mixer 23.
- a separator 22 or the sieve device By means of the separator 22 or the sieve device, particles that are too heavy are collected at an outlet of the separator 22 on the bottom and discharged. Particles with the corresponding particle size can be discharged to the solid dust mixer 23 via an outlet at the top. Alternatively, the particles to be further processed can be discharged from the bottom in a differently designed separator 22 and fed to the solid dust mixer 23.
- a plurality of tank containers 24 with powdery materials are preferably connected to the solids dust mixer 23, with these tank containers 24 providing different powdery materials such as vegetable powder 14 or cellulose powder and being able to be conveyed into the solids dust mixer 23.
- the powder material can also have fibers or elongated particles.
- FIG. 3 shows the structure of an exemplary gelling machine 3 for producing a binder gel 13.
- the gelling machine 3 has a process tank 31 which is again connected to the process tank 31 via a recirculation circuit 33.
- the water supply to the process tank is regulated via line 32.
- the gelling machine 3 has an auxiliary container 34 with a binding agent 15, for example carboxymethyl cellulose (CMC) or guar flour.
- This binding agent 15 is connected to the recirculation circuit 33 via a pipeline, a control valve and a Venturi injector 38.
- a predetermined amount of binding agent 15 is from the auxiliary container 34 directly into the suction inlet of the circulating pump 37 feedable.
- the auxiliary container 34 is arranged nachge a mixing device in which the binder and glycerine and propylene glycol are mixed ver. This mixture can be fed to the suction inlet of the circulation pump 37 and thus into the recirculation circuit 33.
- the supply of binder 15 can be controlled and / or regulated and the binder gel 13 can be produced with a sufficiently high viscosity, preferably a viscosity greater than 1000 cP, particularly preferably with a viscosity between 10,000 cP and 50,000 cP .
- binder gel 13 can be removed from the recirculation circuit 33 via a pipe 41 and a control valve 43 by means of a circulating pump 42 and fed to the further processing process via an outlet line 35.
- a flow meter 44 for volume determination is arranged in front of the outlet opening of the outlet line 35.
- the mixing unit 4 and parts of the extrusion unit 5 are shown in FIG.
- the outlet line 35 of the gelling machine 3 is connected to the mixing unit 4 via the inlet opening 53 for the binder gel 13 and the outlet of the material pulverization system 2 via the inlet opening 52 for the pulverulent material 11.
- the binder gel 13 and the powdery material 11 is to be conveyed into the elongated body 51 and to be mixed with one another by means of a rotary stirrer 55 which is driven by the electric motor 56.
- the mixing unit 4 is shown from a side view.
- the electric motor 56 rotates the rotary stirrer 55 via an axis A and mixes the binder gel 13 with the powdery material 11.
- an outlet opening 54 is provided at the end of the elongated body 51 opposite the inlet opening through which the stirred tobacco paste 10 is to be conveyed into the extrusion unit 5.
- the extrusion unit 5 is also shown in a side view in FIG.
- the tobacco paste 10 is conveyed from the outlet opening 54 into the storage container 60, which preferably comprises at least 100 l, stirred by a stirring unit driven by the electric motor 62 and conveyed on to the extrusion channel 63.
- the extrusion channel 63 has a screw 65 with a loading axis B, which can be driven by the electric motor 61, where the tobacco paste 10 is conveyed through the screw 65 to the extrusion nozzle 64.
- the extrusion unit 5 has a temperature control unit that controls the temperature of the extrusion channel 63 and / or the extrusion screw 65, preferably cools.
- the temperature control unit preferably cools the tobacco paste 10 to a temperature below 60 ° C., preferably to a temperature between 30 ° C. and 40 ° C., in order not to impair the taste of the tobacco paste.
- a pressure sensor is arranged adjacent to the extrusion nozzle 64 and is preferably connected to a control unit in order to control and / or regulate the pressure in the extrusion channel 63.
- the fractionation unit 6 preferably has a rotating separating element 66 with reference axis C, in particular a rotating knife 66, which is connected to the electric motor 67 via the support shaft 69.
- the extruded profile 16 emerges from the extrusion nozzle 64 and is separated into portions 100 of tobacco paste 10 by the separating element 66, for example the rotating knife 66.
- the extrusion unit 5 can preferably be designed as a multi-screw extrusion unit, several extrusion screws being arranged next to one another, preferably parallel to one another.
- the fractionation unit 6 and the downstream plating unit 7, which is preferably designed as a rolling unit 7, are formed, the flattening unit 7 being followed by a drying unit 8.
- the portions 100 of tobacco paste 10 fall onto the primary rollers 71, which form a flat material web 101 from the portions 100 of tobacco paste 10, in particular by means of a rolling process.
- scrapers are arranged, the adhering to the primary rollers 71 components of the flat Remove the material web 101 or the portions 100 of tobacco paste 10 after the transfer of the flat material web 101 to the downstream roller and strip it off.
- the primary rollers 71 are followed by a further roller 72, the secondary roller 72, with the cooperation of the one primary roller 71 and the secondary roller
- the gap measured or the distance between the two primary rollers 71 is preferably the same, smaller or larger than the distance between the primary rollers 71 and the secondary roller 72 which performs the second flattening step.
- the rollers 71 and 72 preferably have the same speed.
- the roller 72 preferably has a higher speed than the roller 71.
- the speed describes the path speed of the outer surface.
- the flat material web 101 preferably has a thickness of less than 1.2 mm, preferably a thickness of between 30 ⁇ m and 500 ⁇ m.
- the flat material web 101 preferably has a width between 30 cm and 2 m.
- the portions 100 and / or the flat material web 101 preferably have a moisture content or water content of less than 50%, preferably between 10% and 40%.
- segmentation rollers are used
- the flat material web 101 is detached from the secondary roller 72, residual constituents are preferably removed from the roller 72 by a scraper, and fed to the drying unit 8.
- a separating device is preferably provided on the secondary roller 72 for separating a flat material web 101 from a drum body of the secondary roller 72, in particular a scraper, which is preferably located at the delivery point of the drum body of the secondary roller 72 is arranged, the radius of the drum body at the delivery point and the separating device, in particular the scraper, forming an angle alpha, the angle alpha being between 50 ° and 80 °, preferably between 62 ° and 73 °.
- the delivery point of the drum body of the secondary roller 72 is the point at which the flat material web 101 detaches from the drum body of the secondary roller 72.
- the separating device in particular the scraper, is preferably designed to be heatable, preferably to a temperature between 40.degree. C. and 90.degree. C., particularly preferably to a temperature between 50.degree. C. and 70.degree.
- the separating device is preferably provided, at least in sections, with a coating which preferably has PTFE (polytetrafluoroethylene), ceramic or tungsten carbide.
- the separating device is optionally provided with a nano-coating at least in sections.
- the separating device is preferably designed as a bi-metal scraper.
- the drying unit 8 has a drying tunnel 80 through which a belt conveyor 81 is guided.
- the flat material web 101 is deposited on the belt conveyor 81, which has a circulating conveyor belt, and is guided through the drying tunnel 80.
- the drying tunnel 80 can be configured in segments, each segment 80a, 80b and 80c being configured, for example, as a hot air oven, as an infrared oven or as a microwave oven (cf. FIG. 7).
- five segments are arranged which are formed from a hot air oven, an infrared oven, a microwave oven, an infrared oven and finally a hot air oven.
- a hot air oven is preferably arranged at the beginning and at the end of the drying tunnel 80.
- the drying tunnel 80 has an exit in which the dried material web is located 102 detaches from the belt conveyor 81, a guide roller 93 preferably being arranged for this purpose in order to guide the dried material web 102 into a winding unit 9.
- the moisture content or water content of the dried material web 102 is preferably less than 30%, preferably between 4% and 10%.
- the winding unit 9 has several deflection rollers 93 which are arranged on a rigid support structure 94 and is shown in FIG.
- the deflection rollers 93 guide the dried material web 102 into the winding unit 9, devices being provided, such as for example a dancer, in order to control and / or regulate the belt tension.
- the dried material web 102 is fed via guide rollers 92 to a cutting unit 95, which is preferably designed as a side and / or width cutter, with sides of the material web 102 being cut off or the dried material web 102 additionally being cut into wide strips.
- the tobacco foil 103, 104 cut after the cutting unit 95 is guided over spreader rollers 96 which spaced apart the webs of material from one another in order to pass them on via further deflection rollers 93 to a motorized winding unit 90.
- the motorized winding unit 90 each has a winding hub 91 on which the film webs 103, 104 are wound from reconstructed tobacco film.
- 1, 2, 3, 4 or more than 4 motorized winding units 90 can be arranged in the winding unit 9.
- a winding unit 90 can be designed with a wide winding hub in order to jointly wind a plurality of film webs 104 made of reconstructed tobacco film onto a winding hub 91.
- a winding hub 91 several ready-to-use bobbins wound up who.
- the production process for the tobacco paste 10, shown schematically in FIG. 1, is divided into a dry phase and an aqueous phase.
- the tobacco material and optionally the plant material is crushed, mixed with further powdery materials 11, 12, 14, such as a plant powder 14, and fed to the solid dust mixer 23.
- the binder gel 13 is produced in the aqueous phase, for example water, flavorings and glycerine being mixed with a binder 15, for example CMC or guar flour.
- a binder 15 for example CMC or guar flour.
- a binder 15 for example CMC or guar flour.
- between 60% and 95% of powdered material 11 or tobacco powder 12 and / or preferably cellulose, optionally cellulose powder, or vegetable powder 14 between 3% and 15% are advantageously to be used in the dry phase.
- 90% tobacco powder and 10% cellulose powder, 95% tobacco powder and 5% cellulose powder, 92% tobacco powder and 8% vegetable powder or 85% tobacco powder and 15% otherwise formed powdery material are to be used.
- the binder gel 13 is to be produced in the aqueous phase, which advantageously comprises water, glycine, flavorings, CMC and / or guar flour.
- the binder gel 13 advantageously has more than 50% and preferably less than 80% water.
- the binder gel 13 advantageously has 73% water, 20% glycerine and 7% binder 15. With this special recipe, the information can vary by up to 3%.
- the weight ratio of binder 15 and moisture, in particular water, is preferably less than 20%.
- the binder gel 13 and the powdery material 11 are processed into a tobacco paste 10.
- the ratio of pulverulent material 11 and water is advantageously greater than or equal to 1.
- Its weight fraction of cellulose, preferably cellulose powder is preferably greater than the weight fraction of binder 15.
- the ratio of cellulose, preferably cellulose powder, and tobacco powder is preferably less than or equal to 1/20, 1/16 or 1/14.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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IT202000000727 | 2020-01-16 | ||
PCT/EP2020/073702 WO2021144043A1 (de) | 2020-01-16 | 2020-08-25 | Verfahren zur herstellung einer tabakpaste und rekonstituiertem tabak, tabakhaltige folie und anlage zur herstellung von rekonstituiertem tabak |
Publications (1)
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EP4072325A1 true EP4072325A1 (de) | 2022-10-19 |
Family
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Family Applications (1)
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EP20764595.3A Pending EP4072325A1 (de) | 2020-01-16 | 2020-08-25 | Verfahren zur herstellung einer tabakpaste und rekonstituiertem tabak, tabakhaltige folie und anlage zur herstellung von rekonstituiertem tabak |
Country Status (5)
Country | Link |
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US (1) | US20220346433A1 (de) |
EP (1) | EP4072325A1 (de) |
CN (1) | CN114929038A (de) |
CA (1) | CA3164633A1 (de) |
WO (1) | WO2021144043A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023156660A1 (en) | 2022-02-21 | 2023-08-24 | Jt International Sa | Aerosol generating article |
WO2023180448A1 (en) | 2022-03-25 | 2023-09-28 | Jt International Sa | Aerosol generating article |
WO2024208478A1 (en) | 2023-04-07 | 2024-10-10 | Philip Morris Products S.A. | Method for producing a sheet of aerosol-generating substrate for an aerosol-generating article |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE872176C (de) | 1946-06-15 | 1953-03-30 | Gen Cigar Co | Verfahren zur Herstellung von Tabakwaren |
US2592553A (en) | 1950-01-30 | 1952-04-15 | Gen Cigar Co | Tobacco products and processes therefor |
GB753965A (en) | 1953-09-08 | 1956-08-01 | Gen Cigar Co | Improved process for the production of continuous tobacco sheet |
US2769734A (en) | 1955-07-14 | 1956-11-06 | Int Cigar Mach Co | Tobacco sheet material and method of forming |
US3894544A (en) * | 1972-06-02 | 1975-07-15 | Tamag Basel Ag | Process for producing tobacco structures |
LU74233A1 (de) * | 1976-01-23 | 1977-07-27 | ||
US4625737A (en) * | 1982-12-30 | 1986-12-02 | Philip Morris Incorporated | Foamed, extruded, tobacco-containing smoking article and method of making the same |
BR8601707A (pt) | 1985-04-16 | 1986-12-16 | Philip Morris Inc | Processo para a formacao de artigos contendo tabaco |
GB8704197D0 (en) * | 1987-02-23 | 1987-04-01 | British American Tobacco Co | Tobacco reconstitution |
DE3819534C1 (de) * | 1988-06-08 | 1989-12-07 | B.A.T. Cigarettenfabriken Gmbh, 2000 Hamburg, De | |
US10834956B2 (en) * | 2015-11-27 | 2020-11-17 | Philip Morris Products S.A. | Homogenized tobacco material production line and method for inline production of homogenized tobacco material |
WO2019086417A1 (en) | 2017-10-31 | 2019-05-09 | Philip Morris Products S.A. | Method for producing a sheet of a material containing alkaloids and homogenized material containing alkaloids |
ES2885184T3 (es) * | 2017-12-29 | 2021-12-13 | Philip Morris Products Sa | Método para la preparación de una lámina que incluye un material homogeneizado que contiene alcaloides y artículo formador de aerosol que comprende un componente preparado a partir de este |
JP7212452B2 (ja) | 2018-02-23 | 2023-01-25 | Future Technology株式会社 | 非タバコ植物組成物の製造方法、電子タバコ用充填物の製造方法、電子タバコ用充填物及びそれを用いた電子タバコカートリッジ |
-
2020
- 2020-08-25 CA CA3164633A patent/CA3164633A1/en active Pending
- 2020-08-25 WO PCT/EP2020/073702 patent/WO2021144043A1/de unknown
- 2020-08-25 CN CN202080093249.5A patent/CN114929038A/zh active Pending
- 2020-08-25 EP EP20764595.3A patent/EP4072325A1/de active Pending
-
2022
- 2022-07-14 US US17/864,862 patent/US20220346433A1/en active Pending
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CA3164633A1 (en) | 2021-07-22 |
WO2021144043A1 (de) | 2021-07-22 |
US20220346433A1 (en) | 2022-11-03 |
CN114929038A (zh) | 2022-08-19 |
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