... engine, fuel boiler, steel pipe, cyclone and air lock. In his sawdust dryer machine system, wet material is input into hopper ... and is rendered dry at the discharge end. Humid air is continuously exhausted, thus the material is dried. 3. Briquette making machine ... volatile material reduced, density higher, more solid etc. Sawdust Briquette Press / Wood Briquetting Machine for Charcoal 0086-15838061759