Industrial deep freezer or dryer with fluidised bed and with a high retaining power for the fines

摘要

An industrial deep freezer or dryer characterised in that it comprises a screw 3 with fixed or variable pitch mounted in a perforated tubular housing 5 mounted rotatably on bearings and with cooling air flowing transversely across it. This invention is of interest to manufacturers of industrial refrigeration and drying equipment. <IMAGE>