公开(公告)号：US20240033814A1

公开(公告)日：2024-02-01

申请号：US18265907

申请日：2020-12-15

Applicant: ArcelorMittal

Inventor： Jackie LEUNG ,  Stephen Daeyoung CHUNG ,  Joydeep SENGUPTA ,  Tim RAYNER

IPC: B22D11/16 ,  B22D2/00 ,  B22D46/00 ,  B22D11/04 ,  B22D11/18 ,  B22D11/20 ,  B22D11/108

CPC classification number: B22D11/165 ,  B22D2/001 ,  B22D46/00 ,  B22D11/04 ,  B22D11/185 ,  B22D11/204 ,  B22D11/108

Abstract: A method of casting a steel semi-product wherein a liquid steel is poured from a ladle to a tundish through a shroud including the steps of determining the light intensity emitted from the surface of the liquid steel in the tundish, detecting, based on said determined intensity, the presence of an open-eye at the surface of the liquid steel and emitting an alert towards an operator when an open-eye is detected.