| 摘要 |
FIELD: machine building. ^ SUBSTANCE: rotary dryer consists of frame surrounded with sealed jacket, wherein there is made a window for supply of drying agent, and of circular drying chamber with perforated bottom mounted on rollers. The dryer also consists of loading and unloading devices made in form of a screw, a shaft of which by one version is stepped with diameter of steps diminishing in the direction of dried mass transfer, while according to another version a pitch of screw surface increases in the same direction. ^ EFFECT: increased quality of drying and decreased losses of heat carrier. ^ 2 cl, 4 dwg |
