FURNACE FOR BURNING OF SMALL-GRAIN MATERIAL IN FLUIDISED BED Russian patent published in 2013 - IPC F27B15/02 

FIELD: metallurgy.

SUBSTANCE: furnace includes a heating chamber with a gas-distributing grid, which is equipped with a feeder and connected to a sanitary cyclone, a burning chamber with an annular gas-distributing grid, which has fuel burners and an overflow device inside the cylindrical cavity, from which there installed is a hot cyclone, and a cooling chamber with a gas-distributing grid, which is equipped with and air duct. In order to increase uniform burning, the furnace is provided with fuel burners with tangential input at least of one of fuel components.

EFFECT: fuel burners have maximum atomisation flame diameter equal to thickness of fluidised material bed, and flame length equal to width of fluidised material bed.

5 dwg