Device and method for the preliminary disintegration of...

A - Human Necessities – 01 – F

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A01F 29/09 (2010.01) A01D 43/10 (2006.01) A01D 82/00 (2006.01) D01B 1/14 (2006.01) D01B 9/00 (2006.01)

Patent

CA 2326160

The present invention relates to a device and a method for carrying out a preliminary disintegration of the stem before the harvest cut or the shortening cut in order to recover the fibrous material. The purpose of this invention is accelerate the material drying process and to limit as much as possible the loading of the complex fibre-extraction machine with secondary non-fibrous components in order to reduce the power consumption, to improve the ecological characteristics and to increase the output of said machine. The preliminary disintegration is performed by integrating new appropriate tools and functions in the rotor of the shortening machine. The non-fibrous constituents produced during the preliminary disintegration are separated using a new open and swinging needle-bar conveyor together with fast-rotating venting and drawing cylinders.

L'invention concerne un dispositif et un procédé pour effectuer une désagrégation préalable de tiges, avant la coupe effectuée lors de la récolte ou avant la coupe de raccourcissement pour l'extraction du matériau fibreux. L'invention vise à accélérer le séchage du matériau et à charger le moins possible la machine complexe d'extraction de fibres, avec des constituants secondaires non fibreux, dans le but de réduire la consommation d'énergie électrique, de renforcer le caractère écologique et d'accroître la rentabilité de ladite machine. On effectue cette désagrégation préalable en intégrant, de façon nouvelle, des fonctions et des outils appropriés dans le rotor de la machine de raccourcissement. La séparation des constituants non fibreux produits lors de la désagrégation préalable, s'effectue par l'intermédiaire d'un nouveau convoyeur à barres munies d'aiguilles, ouvert, oscillant, en association avec des cylindres d'aération et d'étirage, tournant à vitesse élevée.

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