BLAST FURNACE TUYERE COOLING Russian patent published in 2014 - IPC C21B7/10 

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, particularly, to blast furnace tuyere cooling system. This system comprises cast or milled metal body with serpentine passage for cooling fluid circulation and several webs arranged there inside to make some serpentine loops. Said loops allow turning of cooling fluid in every row of serpentine loops. Every web of sad rows features gradual bulge extending towards its distal end terminating in rounding which allows a 180-degree turn of said cooling fluid into the next serpentine loop. Inner side of serpentine passage with cooling fluid turn has rounded sections arranged radially relative to every bulge of every web.

EFFECT: ruled out or minor vortices in cooling fluid.

5 cl, 15 dwg