DEVICE FOR STEEL CONTINUOUS CASTING OF RECTANGULAR STEEL INGOTS Russian patent published in 2010 - IPC B22D11/00 B22D41/50

Abstract RU 2379153 C2

FIELD: metallurgy.

SUBSTANCE: device contains intermediate ladle, ingot-forming equipment with wide and narrow verges, closed-bottom cylindrical immersion nozzle with centered channel and off-centered vertical outlet ports. Pouring nozzle is implemented as force-feed at ratio F₁/2F₂=1.05-1.1, where F₁ - choke-tube area of central section of central channel of pouring ladle, F₂ - discharge area of pouring nozzle. Vertical outlet ports of pouring nozzle are located under angle β = 3-8° to vertical axis passing through center of pouring nozzle.

EFFECT: improvement of quality of uninterruptedly-casted rectangular steel ingots and efficiency of process of receiving of steel ingot.

2 cl, 4 dwg

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RU 2 379 153 C2

Authors

Stulov Vjacheslav Viktorovich

Dates

2010-01-20—Published

2008-03-13—Filed