Method and device for preparing fibrous plant material

Details Method and device for preparing fibrous plant material Method and device for preparing fibrous plant material

D - Textiles, Paper

01

B

D01B 1/14 (2006.01)

Patent

CA 2342989

The invention relates to a method and device for preparing fibrous vegetable material, especially hemp plants, for further processing. The fibrous vegetable material (1) is introduced into the receiving shaft (2) of a tobacco cutting machine known per se in the tobacco processing industry. It is pressed by means of a continuously operating pressing machine (7) with rotating and converging press conveyors (4, 6), broken up and cut into sections (21) of a desired length when it exits from an opening (14) by means of a cutting device with rotating blades (17). The fibre components (34) and the wood and stem components (36) are separated from each other for further individual processing. One advantage of the invention is that the fibre components are separated from the wood and stem components in a mass of vegetable material with high throughput rates in a rational and effective manner.

Dispositif et procédé de préparation de matière végétale fibreuse, en particulier de chanvre, en vue du traitement ultérieur de ladite matière. La matière végétale fibreuse (1) est introduite dans la trémie réceptrice (2) d'une machine à couper le tabac connue dans l'industrie de transformation du tabac, comprimée, et donc écrasée, à l'aide d'un dispositif de pressage (7) fonctionnant en continu et comportant des convoyeurs de pressage (4, 6) convergents circulant de manière rotative, puis coupée lors de sa sortie par une ouverture (14), à l'aide d'un dispositif de coupe doté de couteaux rotatifs (17), en tronçons (21) d'une longueur désirée. La partie fibreuse (34) et la partie bois et tiges (36) constituant la matière végétale fibreuse sont séparées l'une de l'autre et ultérieurement traitées séparément. La présente invention permet de séparer avantageusement, de manière rationnelle et efficace, la partie fibres de la partie bois et tiges d'une masse de matière végétale fibreuse, pour un débit de matière élevé.

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