Patent ID: 9144843
Filing Date: 2015-09-29
Classification: B22D

Abstract:
1. A method for reducing dust emissions in a metal or slag casting apparatus comprising an endless conveyor having a plurality of casting molds with upper open tops and which endless conveyor is arranged to move said casting molds in a first section from a casting station to a discharge station and in a second section back to the casting station, wherein the method comprises the steps of (a) providing a casing forming a bottomless box over a part of the first section of the endless conveyor located adjacent to the casting station, (b) injecting within said casing a gas on a surface of the casting mold with an angle α configured to blow off loose, solid particles, formed at the surface of a metal, during early stages of cooling down and to start solidification of a superficial layer of metal or slag, (c) extracting the gas and the solid particles by suction from within said casing.