JPWO2020058814A5

JPWO2020058814A5 -

Info

Publication number: JPWO2020058814A5
Application number: JP2021513991A
Authority: JP
Publication date: 2022-09-14

Claims

A method for producing reconstituted tobacco comprising:
- the tobacco solid component is ground to a particle size of about 20-220 μm, preferably about 80-180 μm;
water, at least one combination of the solid components of said pulverized tobacco so obtained until a mixture with a liquid content of about 30-50%, preferably about 35-40%, is obtained; an agent and being mixed with at least one material to form an aerosol ;
- said mixture is subjected to a first lamination to obtain a continuous strip having a thickness of about 1-20 mm , preferably about 1-10 mm;
- said strip already subjected to said first lamination is subjected to a series of further rolling passes in order to obtain a strip having a substantially constant thickness of approximately 90-280 μm, preferably of approximately 140-200 μm. When,
- the strip is dried to a liquid content of about 8-15%;
and said mixture is subjected to a homogenization and forming step before being subjected to said first lamination step, said mixture being subjected to a series of batches (97) for later being subjected to said first lamination step. The method further characterized by being subjected to a homogenization and forming process for transforming with.

A method according to claim 1, characterized in that the continuous dried strip is coiled or chopped into wires of predetermined dimensions.

3. A method according to one or more of claims 1 or 2, characterized in that the solid constituents of tobacco are comminuted by grinding.

4. A method according to one or more of claims 1 to 3, characterized in that the tobacco solids are ground by a mill.

5. A method according to claim 4 , characterized in that the tobacco solids are ground in a cold Langmill (20).

The mixture formed by the milled product , water, at least one binder, and at least one material configured to form an aerosol is
- a step of roughing by passing through at least one pair of grooved cylinders (92) and/or
- according to one or more of claims 1 to 5, characterized in that it is subjected to a step of refining by passing through at least one pair of refining cylinders (132 and 132') until the particle size is less than or equal to 20 µm. Method.

Said binder is selected from the group comprising hydroxypropylcellulose, hydroxypropylmethylcellulose, hydroxyethylcellulose, microcrystalline cellulose, methylcellulose, carboxymethylcellulose (CMC), corn starch, potato starch, guar gum, carob seed flour, pectin, and alginate. A method according to one or more of claims 1 to 6, characterized in that the method is

1 of claims 1 to 7, characterized in that said first lamination step of said mixture is carried out by a unit (100) comprising a lobed feeder (102) and at least one pair of rolling cylinders (108) one or more of the above methods.

Method according to one or more of the preceding claims, characterized in that at the output of said first lamination a monolayer strip with a thickness of about 1-10 mm is obtained.

characterized in that, before the series of further rolling passes, the strip already subjected to the first lamination is subjected to layering until a multi-layered strip having a thickness of about 2 to 20 mm is obtained, 10. The method of one or more of claims 1-9.

11. Method according to one or more of the preceding claims, characterized in that in said series of further rolling passes the mixture is allowed to rest between one lamination station and the next.

12. Method according to one or more of the preceding claims, characterized in that lamination is carried out by means of at least partially heated twin cylinders (118).

13. A method according to one or more of the preceding claims, characterized in that the laminated strip is dried by passage through a recirculating air dryer (122).

A plant for producing reconstituted tobacco, comprising:
- a grinding unit (20, 24, 54) for reducing the tobacco solids to a particle size of about 20-220 μm, preferably about 80-180 μm;
- a kneader (80) fed with a measured amount of pulverized material, water, at least one binder and at least one material for forming an aerosol, said kneader comprising about 30 a kneader (80) configured to obtain a mixture with a liquid content of ˜50%, preferably about 35-40%;
- a first lamination unit (100) for obtaining from said mixture a continuous strip with a thickness of about 1-20 mm, preferably about 1-10 mm;
- a rolling line (116) installed downstream of said first lamination unit (100) for making said continuous strip to a thickness of 90-280 μm, preferably about 140-200 pm;
- a dryer (122) to bring the liquid content of said laminate strip to about 8-15%, and
downstream of said kneader (80) and upstream of said first lamination unit (100) so as to subdivide said mixture into a plurality of portions (97) initiated in said first lamination unit (100). A plant, characterized in that it further comprises a mixture forming unit (92) configured.

15. Plant according to claim 14, characterized in that the dryer is with air recirculation.

16. Plant according to claims 14 and/or 15, characterized in that the crushing unit comprises a mill.

17. Plant according to claim 16, characterized in that said grinding unit comprises a cold Langmill (20).

18. Plant according to one or more of claims 15 to 17, characterized in that said forming unit (92) is also arranged to perform homogenization of said mixture.

19. According to one or more of claims 15 to 18, characterized in that said forming unit (92) comprises a roughing machine and/or a cylinder refiner (130) with at least one pair of forming rollers (96). plant.

Plant according to one or more of claims 15 to 19, characterized in that said first lamination unit (100) comprises a lobed feeder (102) and at least one pair of rolling cylinders (108).

20. Plant according to one or more of claims 15 to 19, characterized in that it comprises a layering unit (110) downstream of said first lamination unit (100).

Said layering unit (110) comprises an upstream conveyor belt (112), said upstream conveyor belt (112) being fed by said first lamination unit (100) and with respect to its support structure. 22. The method according to claim 21, characterized in that a continuous motion is provided for the rolling line (116) and preferably a reciprocating motion is provided for the downstream conveyor belt (114) below said rolling line (116). plant.

said rolling lines (116) are separated from each other by the length of a conveyor belt (114) of sufficient length to rest the product strip between one rolling station and the next rolling station; 23. Plant according to one or more of claims 15 to 22, characterized in that it comprises a plurality of rolling stations.

24. Plant according to one or more of claims 15 to 23, characterized in that at least part of the cylinders (118, 120) of the rolling line (116) are heated.

A hot air dryer (122) is arranged in series with a first unit (124) in which a first step of drying the product strip coming out of said rolling line (116) is performed. , a second unit (126) in which a second drying step and a post step of cooling the already partially dried product strip exiting the first unit (124) are performed. 25. Plant according to one or more of claims 15 to 24, characterized in that

26. Plant according to claim 25, characterized in that at least one mesh conveyor is used inside the hot air dryer (122).

Said hot air dryer (122) is provided inside said first unit (124) of steel belt or mesh belt conveyor and inside said second unit (126) of mesh belt conveyor. 27. Plant according to claims 25 and/or 26, characterized in that.