Cryogenic Grinding SlideShare
Aug 28, 2016#0183;#32;CRYOGENIC GRINDING SYSTEM: The cryogenic grinding system consists of two main units, namely 1) Precooling unit and 2) Grinding unit. The cryogenic precooler is a cooling device made up of a screw conveyor enclosed in a properly insulated barrel and a system to introduce liquid nitrogen into the barrel, thereby providing refrigeration