ROTARY INCLINED FURNACE Russian patent published in 2013 - IPC F27B7/00 

FIELD: metallurgy.

SUBSTANCE: furnace includes a lined bottle with two support rings, each of which is supported on two rollers, a burner screen with a gas injection burner fixed in it and provided with fourteen mixers, a receiving chute, a furnace rotation drive and a burner screen supply-discharge drive. The lined bottle has a heat insulating layer of two layers of flexible heat insulating fibre glass mullite silica cardboard and a layer of chamotte lightweight material, onto which a lining layer from mullite nonshrinking ramming compound is put. The burner includes an air flow rate control device, installed with an inclination of 15° to the bottle axis with possibility of gas supply to the burner along upper part of a turning column and a branch pipe. The furnace has an add-on receiving lined chute with handles, which is mounted on a trolley, a turning frame that is supported on front and rear pedestals when in operating position, on which the lined bottle is installed with possibility of being turned about the axis from the drive. The furnace can operate at natural and artificial thrust.

EFFECT: increasing furnace service life, reducing heat losses and hazardous emissions to atmosphere.

2 cl, 8 dwg