Rotary processor

Claim 1

A HEAT EXCHANGER-MIXER FOR INDIRECTLY TREATING MATERIAL COMPRISING AN ELONGAGED TROUGH HAVING AN INLET FOR CHARGING THE TROUGH WITH MATERIAL TO BE TREATED AN AN OUTLET FOR DISCHARGING TREATED MATERIAL FROM SAID TROUGH, A DOUBLE HOLLOW SHAFT ASSEMBLY COMPRISING A HOLLOW SHAFT EXTENDING LONGITUDINALLY OF SAID TROUGH AND ROTATABLY SUPPORTED THEREIN, ANOTHER HOLLOW SHAFT MOUNTED WITHIN SAID FIRST SHAFT TO DEFINE AND ANNULAR SPACE BETWEEN SAID SHAFTS, A PLURALITY OF HEAT TRANSFER ASSEMBLIES EACH COMPRISING A RADIALLY EXTENDING HOLLOW BLADE CONNECTED TO ONE OF SAID SHAFTS AND IN COMMUNICATION WITH THE INTERIOR THEREOF AND A HOLLOW QUILL SHAFT EXTENDING INTO SAID HOLLOW BLADE, CONNECTED TO THE OTHER OF SAID SHAFTS AND IN COMMUNICATION WITH THE INTERIOR THEREOF, SAIID ASSEMBLIES PROVIDING THEREBY PARALLEL HEAT-TRANSFER FLUID PATHS CONNECTING THE INTERIORS OF SAID SHAFTS THROUGH SAID ASSEMBLIES, EACH OF SAID BLADES BEING PERMANENTLY AND FIXEDLY SECURED PERPENDICULAR TO SAID SHAFTS AND ANGULARLY SET WITH RESPECT TO A PLANE PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID SHAFTS SO AS TO FORM A DISCONTINUOUS SCREW BETWEEN SAID CHARGING INLET AND SAID DISCHARGING OUTLET, A WEIR HAVING A SUBSTANTIALLY ARCUATE LOWER PORTION FITTABLE IN SAID TROUGH TRANSVERSE TO SAID SHAFTS, ADJACENT SAID DISCHARGE OUTLET AND MOUNTED WITH RESPECT TO SAID DISCHARGE OUTLET TO CAUSE SAID MATERIAL BEING PROCESSED TO FORM A CONTINUOUSLY AGITATED BED OF MATERIAL IN HEAT EXCHANGE RELATIONSHIP WITH THE FLUID IN SAID HOLLOW BLADES.