Radial-flow distributor for wide uniform nonturbulent non-dribbl

Details Radial-flow distributor for wide uniform nonturbulent non-dribbl Radial-flow distributor for wide uniform nonturbulent non-dribbl

1996-11-27

1998-09-08

Kastler, Scott

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By separating metal in a molten mass from undesired...

222594, 164479, B22D 1100

Patent

active

058041362

ABSTRACT:
A radial-flow, wide-pouring molten-metal distributor comprising a curved or arcuate overflow weir which is normally horizontal on its top and which is concave on its upstream side as viewed from above. Over this arc-shaped overflow weir flows molten metal to be continuously cast in an open pool. An impetus is thereby imparted to the molten metal along diverging radial lines. The flow so impelled continues radially onto a horizontal apron. The flow spreads fanwise to the desired width which may be as much as six times the width of the weir. Thence, the metal cascades or flows uniformly into the casting apparatus. The overflow weir is preferably supplemented by a skimmer mounted above it in substantially uniform spaced aligned relationship, thereby completing a slot beneath the skimmer through which the molten metal flows. When employed for the casting of wide, thin product, the invention results in a far more uniform and gentle distribution of metal than heretofore available. Dribbling and "beards" are eliminated. Swirls and porosity are reduced. The temperature profile across the section being cast is rendered more uniform, thereby permitting a lower temperature of the supply of molten metal entering this novel distributor.

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