IGNITION HEARTH OF SINTERING MACHINE Russian patent published in 2001 - IPC

FIELD: preparation of ores and concentrates in ferrous and non-ferrous metallurgy by the method of sintering, in particular, devices of sintering and roasting machines of the conveyer type. SUBSTANCE: the ignition hearth is installed above the fire grate with a layer of burden. It has a lined rectangular in section body with rows of burners, longitudinal one inclusive, located in its arch. The first row of burners is 0.04 to 0.08 length of the arch distant from the internal end wall of the hearth body. And the distance between the axes of the burners in each of the longitudinal rows equals 1.8 to 2.4 of the distance from the arch to the surface of the burden on the fire grate. EFFECT: enhanced quality of sinter, reduced consumption of fuel equivalent for sintering of burden. 2 dwg