ROTATORY DRYER Russian patent published in 2014 - IPC F26B15/04 

FIELD: heating.

SUBSTANCE: in a rotatory dryer comprising a cylindrical working chamber with a conveyor and moulds set inside, a loading device and an unloading device, the novelty consists in the fact that two parallel guides made from angle bars are placed inside the chambers circumferentially, a driving shaft is fitted by radial cross-pieces with vertical pins being installed at their ends, the distance between the pins is equal to the width of the moulds; the pins interact with the grooves made in the side walls of the moulds which are of trapezoidal form and travel along the two parallel guides in cycles with periodic dwells, the travel is actuated by the driving shaft through the following zones: loading zone, drying zone and unloading zone; under each drying zone there is a branch pipe installed for the supply of heat carrier with different speeds and temperatures, and above them there is an exhaust hood for the waste heat carrier, a pneumatic actuator is installed under the unloading zone and is used to lift the moulds from horizontal position to an inclined one, and an unloading bin is mounted by the inner side of the unloading zone.

EFFECT: intensified drying process, improved quality of ready products, which are ensured due to the stabilisation of the temperature and moisture conditions during the whole process.

3 dwg