METHOD OF PROTECTION OF METAL STREAM IN TEEMING Russian patent published in 1997 - IPC

Abstract RU 2086345 C1

FIELD: metallurgy of ferrous metals; applicable in teeming steel into ingot molds and on continuous casting machines. SUBSTANCE: the offered method consists in supply of uniform annular gas flow in direction of stream of poured metal to blow the perimeter of hole of metal receiver. Protective gas is supplied in form of preliminarily mixed inert gas and fuel gas reacting with oxygen for instance, natural gas, with its fracture in the mixture amounting up to 2-5 vol.%. EFFECT: higher efficiency. 2 cl, 2 dwg

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RU 2 086 345 C1

Authors

Men'Shchikov A.M.

Glazyrin B.S.

Zasukhin A.L.

Kozlov V.N.

Popov V.V.

Dates

1997-08-10Published

1994-06-10Filed