Fluid separation machines for separation of solids from liquid in mines and ore mills; minerals processing systems in the nature of machines for the separation of minerals from liquids and slurries, comprised primarily of feedwells, feed discharge cones, clarifiers, launders, deaerators, effluent collector boxes, shafts, mud rakes, spray nozzle headers, internal feed and discharge lines, valves, pumps, control systems, power trains and motors