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1. (WO2017191181) VIBRATORY SCREENING APPARATUS

Pub. No.:    WO/2017/191181    International Application No.:    PCT/EP2017/060521
Publication Date: Fri Nov 10 00:59:59 CET 2017 International Filing Date: Thu May 04 01:59:59 CEST 2017
IPC: B07B 13/16
Applicants: METSO MINERALS, INC.
Inventors: GRÖNVALL, Lars
Title: VIBRATORY SCREENING APPARATUS
Abstract:
A vibratory screening apparatus (1) is disclosed. According to the invention the vibratory screening apparatus (1) comprises a support (2); at least two screen decks (30) arranged one over the other as an assembly (3), each screen deck (30) including a screen frame (31), a screen (32) and a chamber underlaying the screen surface, an outlet duct (12) for oversized material and an outlet duct (13) for undersized material that is in communication with the chamber; mountings (4a, 4b) configured for mounting the assembly (3) of the at least two screen decks (30) to the support (2); a drive support (5) with a motor assembly (6) configured for vibrating the assembly of the at least two screen decks (3); and a feed unit (7) configured to feed the material to be screened to each screen deck (30); wherein the feed unit (7) is arranged on the support (2) and configured to be moved between a feed position and a maintenance position, and wherein the assembly of the at least two screen decks (3) is resiliently arranged on the support (2), while the feed unit (7) is non-resiliently arranged on the support (2).