STOPPER ROD AND METHOD FOR INDUCING A ROTATIONAL FLOW OF A MOLTEN METAL

原文（中国語）

Stopper rod () for controlling the flow of molten metal and for inducing a rotational flow of molten metal, said stopper rod () comprising a rod-shaped stopper body (), said rod-shaped stopper body () extending along a central longitudinal axis (L) from a first end () to a second end (), said rod-shaped stopper body () comprising a nose () at said second end (), wherein said nose () provides an exterior surface; a chamber (), said chamber () extending along said central longitudinal axis (L) within said stopper body () from said first end () towards said second end () and ending at a distance from said second end (); at least one channel (), preferably a plurality of channels (), being provided on an exterior surface of said rod-shaped stopper body () and at least partially on said exterior surface of said nose (), and at least partially running around said central longitudinal axis (L), and progressing along the direction of said central longitudinal axis (L); gas supply connecting means (), said gas supply connecting means () connecting said chamber () and each of said at least one channel ().