DRUM DRYER Russian patent published in 2017 - IPC F26B11/04 

FIELD: heating.

SUBSTANCE: drum dryer comprises a drum made as a hollow perforated cylinder which is made of a frame consisting of guides covered with a grid, and is rotatably mounted around its longitudinal axis. Hollow perforated cylinder is placed into a thermally insulated housing. Perforated drum is equipped with ring baffles mounted at the ends, baffles are made with perforated sections evenly placed on their surfaces. Heat carryig medium supply pipe line is made with openings, is placed in the drum middle and is made rotatable about a longitudinal axis, and the pipe line openings are located on one generatrix and provided with tubes with the open ends facing the bottom of the drum. Loader unit communicates with the drum cavity through the center opening of the drum ring baffle, and discharge unit is designed as a folding surface of grid portion with a locking mechanism.

EFFECT: simplification of drying process, expanded range of dried particulate materials and higher product quality by reducing abrasion of its particles.

2 dwg