SWINGING FURNACE FOR BURNING EXPANDED CLAY Russian patent published in 2021 - IPC F27B7/06 

FIELD: furnaces and ovens.

SUBSTANCE: invention relates to inclined kilns of drum type used for production of light swollen filling. Swinging furnace for annealing of expanded clay comprises lined housing with swinging mechanism and burners installed on roller supports, lined body is made of three and more strips of variable width of convex curvilinear shape, coiled in vertical plane in longitudinal direction, curved along helical lines in transverse direction and bent along notches with skewed walls in transverse-longitudinal direction, located in pairs at an angle to each other on both sides of strips with formation along the perimeter of the body of directed towards each other broken screw lines and broken helical surfaces with variable pitch.

EFFECT: complete rolling of granules, expansion of technological capabilities and increased efficiency.

1 cl, 9 dwg