BLAST FURNACE TUYERE UNIT Russian patent published in 2015 - IPC C21B7/16 

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, in particular to a blast furnace tuyere unit. The tuyere unit contains a blasting pipe attached to a blast furnace casing, a tuyere, attached to the blasting pipe end and a flexible connector connecting the blasting pipe with a tuyere sleeve. Inside the furnace casing a plate tuyere refrigerator arranged around the tuyere for the formation of the internal surface of the blast furnace is installed. Around the tuyere in the blast furnace casing a hole for the tuyere is formed which is connected along the whole periphery with a flange formed along the periphery of the blasting pipe.

EFFECT: invention prevents the leakage of the blown gas and keeping of a certain position of the tuyere in the furnace casing.

3 cl, 3 dwg