PLANT FOR DRYING OF DAMP GRANULAR SOOT Russian patent published in 1996 - IPC

FIELD: drying plants. SUBSTANCE: plant for drying of damp granular soot uses an external heating chamber and a rotating drum provided with diametrically arranged through pipes; each subsequent pipe is shifted relative to the previous one helically through an angle of 15 to 90 deg. an then arranged along the drum axis at distance l=3d+i Pd, where d - pipe diameter; P - step increase parameter equal to 0.1 to 0.55; i - ordinal number of previous pipe. EFFECT: enhanced volumetric capacity up to 46.4 kg/qu.m at a flow rate of natural gas of 320 qu.m/h. 2 cl, 2 dwg, 1 tbl