DRYING DEVICE Russian patent published in 1994 - IPC

FIELD: drying equipment. SUBSTANCE: device has a chamber with workable material load and unload members, heat-transfer agent feed and bleed members, a vacuum system. The vacuum system is made in the form of branch pipes mounted outside around the chamber periphery, a drum with a drive coaxially mounted in the chamber for reversing rotation, hoses located in each branch pipe. Each hose is fastened around the periphery of the branch pipe base by one end, turned inside out and fastened to the drum by the other end. Each hose is made perforated on 1/9 of its length at the end fastened in the branch pipe. EFFECT: improved structure. 1 dwg