machine is used for continuous removal of
stones from a stream of granular material.
The gravity selector combines two distinct
functions with a single machine and uses
half the total air requirements of two separate
machine normally used to achieve the following
functions:It concentrates impurities and
removes stones from the grain stream.
product is gravity fed through an air shut-off
gate on to a preliminary separation perforated
screen, from where un- wanted substance
is separated. After preliminary cleaning,
grain passes on to an inclined oscillating
deck. This deck is designed as screen through
which an upward current of air is passed,