The Ultrafine Concentrator
Feed stream particles are subjected to gravitational forces of up to 350 G’s and are segregated according to effective specific gravity along the smooth spinning rotor wall. The high G’s and the lack of fluidising water permit effective recovery of fine particles. The heaviest particles are retained against the rotor wall while the lighter particles migrate over this bed and report to the ‘lights’ launder. The variable lip ring is adjusted to vary the bed thickness and therefore the amount of heavies retained during each cycle. The cycle time is adjusted to suit the amount of mass yield required.
When the bed has built up to sufficient grade or mass yield, the feed is stopped, the rotor slowed by braking, and the spray manifolds rinse the heavies out of the rotor underneath the rotor baffle and out of the ‘heavies’ discharge ports.
The variable lip function, the heart of this process, as well as the rotation speed, rinsing and braking and other process variables are all controlled by the Falcon Automation Package ( AutoPAC).
For further information please go to www.concentrators.net |