Double-screw compacting compressor

B - Operations – Transporting – 30 – B

Patent

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Details

B30B 11/24 (2006.01) B30B 11/00 (2006.01) B30B 11/22 (2006.01)

Patent

CA 2231402

A device is proposed for use as a twin-shaft compactor in the form of an extruder press or a so-called double screw press (8) for the volume reduction and high-density compaction of different types of waste to form briquette-type mouldings, in particular for the compaction of a so-called light shredder fraction produced in dust-removal systems in shredder facilities. The proposed device has screw shafts (16, 17), each of which comprises a hollow base section (14.1) and a head section (14.2). The screw shafts (16, 17) are driven controllably and/or reversibly and the drive and extruder elements are separated from one another in such a way that the screw shafts (16, 17) are kept away from the wear-inducing compaction process and the rotary speed of the screw shafts (16, 17) can be adjusted to ensure an optimal compaction process.

Dispositif compresseur de compactage à deux arbres, réalisé sous la forme d'une presse extrudeuse ou d'une presse dite extrudeuse à double vis (8), pour la réduction de volume et le compactage haute compression de déchets de diverses compositions, en vue d'obtenir des pièces moulées du type briquettes, en particulier pour le compactage d'une fraction dite légère de déchiquetage produite dans des systèmes de dépoussiérage d'installations de déchiquetage. Le dispositif selon l'invention comprend des arbres de vis sans fin (16, 17) présentant chacun une partie de base creuse (14.1) et une partie de tête (14.2), les arbres de vis sans fin (16, 17) étant entraînés de façon réglable et/ou réversible, et les éléments d'entraînement et d'extrusion étant séparés de telle façon que lesdits arbres de vis sans fin (16, 17) soient maintenus à distance de l'opération de compactage provoquant une usure du matériau, et que la vitesse de rotation des arbres de vis sans fin (16, 17) entraînés en sens contraire puisse être ajustéede manière à assurer un compactage optimum.

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