DRUM DRYER Russian patent published in 2018 - IPC F26B11/14 

FIELD: drying equipment.

SUBSTANCE: invention relates to drying equipment and can be used in the chemical and food industries. Drum dryer comprises a fixed cylindrical casing with transverse baffles provided with coolant supply nozzles, a charging device, a discharge hopper and a perforated drum with a channel nozzle concentrically disposed in the casing. Drum is multi-section, each section of which is installed in bearings with the possibility of autonomous coaxial rotation with respect to the fixed casing and is equipped with an overflow orifice, while the rotation of the adjacent sections of the perforated drum is carried out through a closed planetary differential gear formed by satellite gear wheels mounted in the bearings of the supports performing the functions of carriers, which are fixed to the outer surface of the previous section and cooperate with a gear ring located on the inner cylindrical surface of the fixed casing, driving the gear ring located on the outer perforated surface of the subsequent section, which functions as a central wheel.

EFFECT: invention allows to reduce power inputs, metal consumption, it allows to increase the quality of the finished material.

1 cl, 5 dwg