Grinder with adjustable screens

摘要

A grinder having an adjustable screen arrangement. The adjustable screen arrangement including two screens independently positionable in a number of positions relative to a grinding drum. Each screen further having a leading end independently positionable relative a trailing end of the screen. The adjustable screen arrangement allowing for selectively varied clearances between the screens and the grinding drum.

主权项

1. A horizontal grinder, comprising:
a) a grinding drum; b) at least two arcuate screens located adjacent to the grinding drum, the at least two arcuate screens having a leading edge and a trailing edge; c) at least two screen supports, the at least two arcuate screens being positioned upon the at least two screen supports and being configured to slide into and out of place with respect to the at least two screen supports; and d) a plurality of adjusting members that position each screen in a selected one of a plurality of positions relative to the grinding drum, the plurality of adjusting members being adapted to move the at least two screen supports to adjust the position of the at least two arcuate screens; e) wherein the screens are positionable relative to the grinding drum independent of one another; and f) wherein the adjusting members selectively vary the clearance between the leading edge of each screen and the grinding drum, and selectively vary the clearance between the trailing edge of each screen and the grinding drum, the leading edge clearance and the trailing edge clearance being adjustable independent of one another.