FURNACE FOR PREPARATION OF CEMENT CLINKER Russian patent published in 2014 - IPC F27B7/16 

FIELD: construction.

SUBSTANCE: furnace for preparation of cement clinker contains the housing resting through bindings on bearing rollers, a double drive consisting of two electric motors and two reducers, two under-ring gear wheels, one ring wheel, feed pipe for supply of slime for kilning of cement clinker, head for fuel and air feeding into the furnace, chain filter - heater, heat exchangers, shearing grate refrigerator, unit for water cooling and central greasing system. The housing is installed horizontally and manufactured from guiding elements as three or more strips twisted along circular helix in a longitudinal direction with reference to direct-axis, and curved along a circular helix in a transversal direction on a mandrel with the shape of paraboloid of rotation. The strips are made with side edges having convex curvilinear shape and are connected with forming of the hollow conical housing with lappings along the whole length inside the housing as screw vanes.

EFFECT: invention allows to simplify operation due to absence of slope and intensify heat exchange.

8 dwg