... is integrated in the spiral processing machine, spiral chute, wave bed, centrifugal processing machine characteristics, in 1977 developed a new ... operation characteristicssprial chute featureThe sprial chute used for fold ores ,,sliver ores ,placer mines ,.lead zinc ores ,copper ores , ... water &electricity ,easy to control and big capacity .This machine is suitable for sorting granularity 0.3-0.02 mm ...