A feeding device for high pressure digestors

Details A feeding device for high pressure digestors A feeding device for high pressure digestors

D - Textiles, Paper

21

C

D21C 7/06 (2006.01)

Patent

CA 2228307

The present invention refers to a feeding device for high pressure digestors of the type comprising a feeding assembly (1) that comprises a conical tubular body (6) having an inlet nozzle (9) and an outlet nozzle (10) mounted on a structural base (7) and a threaded axle (11) received inside it, said threaded axle (11) being driven by a motor (2), a reducer (3) and a speed variator (4) through a first end (14) and having a free opposed distal end (13). Right below said inlet nozzle (9), said threaded axle (11) is provided with a rectilineal stretch (16), in which said helical channels have a homogeneous depth (12a) to facilitate the gripping of the material. Further, the distal end (13) of said threaded axle has a conicity (17) corresponding to the conicity of said tubular body (6), the depth (12b) of the helical channels at said distal end gradually decreasing along the length of the axle, so as to expel the material and compress it against the inner surface of the tubular body.

Dispositif d'alimentation pour lessiveurs à haute pression du type comportant un ensemble d'alimentation (1) muni d'un corps tubulaire conique (6) possédant une buse d'entrée (9) et une buse de sortie (10) et étant monté sur un châssis (7), et d'un arbre fileté (11) reçu à l'intérieur de ce corps, cet arbre (11) étant entraîné par un moteur (2), un réducteur (3) et un régulateur de vitesse (4) par l'intermédiaire d'une première extrémité (14), et doté d'une extrémité distale opposée libre (13). Ledit arbre fileté (11) est pourvu, à l'aplomb de ladite buse d'entrée (9), d'un segment rectiligne (16) dans lequel les rainures hélicoïdales ont une profondeur homogène (12a) de manière à faciliter l'entraînement des matières. En outre, l'extrémité distale (13) dudit arbre fileté présente une conicité (17) qui correspond à celle dudit corps tubulaire (6), et la profondeur (12b) des rainures hélicoïdales à ladite extrémité distale diminue progressivement le long de l'arbre de manière à expulser les matières et à les presser contre la face interne du corps tubulaire.

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