The modular S+S Varisort Compact sorting system for use with loose bulk materials provides a number of special features that allow an easy adaptation to changing sorting jobs. In the system different sensor technologies (inductive, optical, near-infrared) can be combined. The material to be examined is fed in by way of specifically adapted vibration chutes that guarantee a homogeneous material distribution over the complete width of the high-speed conveyor belt. At the end of the belt the material is classified by the corresponding sensors. Upon evaluation of the relevant information, high-speed valves are activated with a corresponding time delay to blow out the material. By way of exactly controlled compressed-air blasts the particles to be separated are deflected from their original fall parabola into a separate duct. The use of high-resolution sensors and signal evaluation technologies allow a high detection accuracy and an analysis of up to 500,000 parts per second. In free-fall inspection an accurate blow-out process can be realised even with high reject rates due to the large number of high-speed valves that can process up to 500 switching cycles per second.
Hall 7, Booth 679
cav 415
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