TUYERE COOLER OF THE BLAST FURNACE Russian patent published in 2004 - IPC

FIELD: equipment of the hot-air supply into the blast furnace in ferrous metallurgy SUBSTANCE: the invention presents a tuyere cooler of the blast furnace. The invention is dealt with iron and steel industry, in particular with the equipment of the hot-air supply in the blast furnace. The device contains a cooled housing with a steel conical fitting seat for the air tuyere and a water-cooled cavity. The cooled housing is made out of steel, its flange has apertures for input and output of water, its front part is made with annular grooves filled with a refractory mass. In the upper part of the water-cooling cavity there is rib. The operational durability of the cooler is ensured. EFFECT: the invention ensures operational durability of the cooler. 1 cl, 3 dwg