METHOD FOR PREPARING METALLURGICAL LADLE Russian patent published in 2017 - IPC B22D41/44 

FIELD: metallurgy.

SUBSTANCE: steel-tapping channel (2) of the metallurgical ladle (1) is inspected, cleaned and containers (5) with starting mixture from are introduced from the bottom of the gate valve side. On the first container (5) a protective hose (6) is preliminary put, on the lower end of which a circular screen is fixed (7), and it is pushed together with protective hose into steel-tapping channel by subsequent containers (5) before the stop of the circular screen (7) into the end face surface of gate valve collector cup (3). The first container (5) is destroyed at the outlet from the protective hose to fill the steel-tapping channel with the starting mixture. The subsequent containers (5) are destroyed at the outlet from the starting mixture in the steel-tapping channel. After filling the steel-tapping channel with the starting mixture, the lower end of the last container (5) is fixed by the pusher in the lower plate channel of the gate valve, said channel is closed with gate valve plates by cutting the lower part of the protective hose, and the pusher is brought together with the residues of the protective hose.

EFFECT: reducing the temperature losses of the ladle lining at reduced consumption of the starting mixture ensures a shorter preparation time for the ladle.

2 cl, 3 dwg