METHOD FOR MELTING CAST IRON IN CUPOLA WITH TWO ROWS OF TUYERES Russian patent published in 1994 - IPC

Abstract RU 2024620 C1

FIELD: casting practice. SUBSTANCE: method involves successive loading of charge and stage-by-stage delivery and cutting off of blast through different rows of tuyeres. This is done by delivering blast into upper row of tuyeres 3-7 minutes after its delivery into lower row of tuyeres. Blast is turned off in the reverse sequence of steps. EFFECT: higher efficiency. 1 tbl

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RU 2 024 620 C1

Authors

Bezrutchenko V.T.

Kuz'Michev G.G.

Shchegolev Ju.V.

Dates

1994-12-15—Published

1991-01-09—Filed