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Gate for directed steel flow into the mould

autorzy: Lukáš Bednár

The gate is the last technical component of the gating system in the bottom-pouring process, which can influence the nature of the steel flow in the mould and the resulting quality of the bottom-cast ingot. The gate with a directed steel feed effect for feeding steel from the gating system into the mould for the bottom pouring of steel ingots is designed for casting of steel ingots and consists of a gate base body in the horizontal plane of which a horizontal flow channel with a shaped termination is formed. The horizontal flow channel is continuously followed by a vertical flow channel consisting of a partially enlarged section of a linear inclination angle (K), or a non-linear course, and a straight section of a semi-circular or partially oval cross-section perpendicular to the horizontal flow channel, these sections forming a circular or oval cross-section at the outlet of the vertical flow channel into the mould, which may be further extended in the direction towards the mould.