PLANT FOR DRYING LOOSE MATERIALS Russian patent published in 1995 - IPC

FIELD: drying materials. SUBSTANCE: plant has drier 1 with liquified bed, perforated conical central hoppers 3, and periphery hoppers having perforation holes made up as arc-like slots, well dryer 16, and cooling chamber 30 constructed as two coaxial perforated cylinders arranged inside the housing. The cone is positioned above inner cylinder 18. The top edges of outer cylinder 19 underlies the bottom periphery hopper of the drier with fluidized bed. Two additional perforated inner and outer cylinders are mounted inside the space between the outer and inner cylinders of the well drier. The additional cylinders are interconnected through a conical roof. The perforations of the cylinders are made up as arc-like slots. The branch pipe for supplying hot drying agent from the furnace is brought into the space between the additional outer and inner cylinders. The ring space between the housing and the inner cylinder is in communication with the inner cylinder. EFFECT: improved design. 8 cl, 14 dwg