COOLED TUYERE FOR BLOWING MELT Russian patent published in 1997 - IPC

Abstract RU 2084540 C1

FIELD: metallurgy, namely, constructions of tuyeres for blowing melts by gaseous oxidizing agent. SUBSTANCE: tuyere includes body 1 with opening 5 for feeding gas, movable rod 3 with cylinder-cone tip 4 directed by less base of its cone part to side of output opening of tuyere. Length of portion between end cuts of output opening of tuyere consists 0.3-0.6 of diameter of said opening. Conicity angle of cone tip 4 consists 22-55 degrees. EFFECT: increased service life period of tuyere and operating period of the whole melting unit, simplified maintenance. 2 dwg , 1 tbl

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RU 2 084 540 C1

Authors

Grechko A.V.

Paretskij V.M.

Kovgan P.A.

Dates

1997-07-20—Published

1995-03-22—Filed