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  • Automatic skimming procedure for reducing aluminium losses and maintaining the uniform quality of the molten metal [Elektronski vir]
    Kevorkijan, Varužan ; Kovačec, Uroš ; Žist, Sandi
    Among the parameters involved in the production of aluminium alloys, particularly demanding in terms of regulation are those involved in dross skimming. To reduce the aluminium losses and maintain ... the uniform quality of the skimming, the skimming depth (dross removal) should be limited, as much as possible, to near the interface between the dross layer and the molten metal. The purpose of this work was the development of an automatic skimming procedure. The position of the skimming spoon was guided by a continuous measurement of the temperature gradient across the dross layer, with the thermocouples positioned on its bottom edge. The efficiency of this novel procedure was validated by continuous tracing of the specific amount of skimmed dross (SASD)-the mass of skimmed dross per mass of produced molten metal. Although the SASD depends on several parameters (alloy composition, applied fluxes, as well as melting/skimming parameters), it was recognized as a valuable quantitative indicator of the quality and the efficiency of the melting procedure as well as of the quality of the molten metal produced.
    Vir: Light metals 2020 [Elektronski vir] (2020, str. 1137-1140)
    Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasle
    Leto - 2020
    Jezik - angleški
    COBISS.SI-ID - 98425345

    Povezava(-e):

    https://link.springer.com/chapter/10.1007/978-3-030-36408-3_153

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