Patent ID: 8007637

Claim:
A method for producing papermaking flue-cured type tobacco sheet includes the steps as follows: (a) to immerge and to extract tobacco stem and leaf scrap respectively by water-soluble solvents to respectively obtain solid tobacco stem and solid leaf scrap, and tobacco stem extract and leaf scrap extract via solid/liquid separation; (b) to defibrilate solid tobacco stem and solid leaf scrap respectively, to mix the obtained tobacco stem fiber and leaf scrap fiber to prepare fiber flake base; (c) to wholly or partly abnegate the tobacco stem extract obtained by Step (a), and to evaporate and to concentrate other extracts that then are sprayed or immerged to coat the formed fiber base, (d) to recompose the tobacco stem fiber and the leaf scrap fiber by combining tobacco dust at a process point selected from the group comprising slurry pool, pipeline position from slurry stabilization box to slurry flow box, long-web (wire) of paper making machine, position from vacuum couch to first press and coating position of papermaking machine; and adding the tobacco dust in a quantity of 5-30% of dry pulp weight, (e) that is then dried, threshed and shaped.