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Sekundärmetallurgie / VD-Anlage
Blick in die Halle "hinter" den Konvertern eines Stahlwerkes. Links ist eine VD-Anlage (Vaccum-Degassing) zu erkennen, dahinter - grösstenteils verdeckt - ein Lichtbogenofen. In einer VD-Anlage wird die komplette Stahlpfanne mitsamt des flüssigen Stahls unter starken Unterdruck gesetzt. So werden in der Schmelze gelöste Gase "herausgezogen", die im anschliessenden (Strang-)Gussprozess zu Lunkern im Material führen könnten.

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Secundary Metalurgy / VD Facility

View into the hall "behind" the converters of a steel melting shop. To the left, one can see a VD facility (vacuum degassing), behind that - almost completely hidden - an electric arc furnance. In a VD facility, the whole ladle including the molten steel is exposed to strong underpressure thus "extracting" gases solved in the liquid steel. Otherwise, this gases might lead, for example, to sink holes in the following (con)cast process.
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Photographer:Sebastian Suchanek
All pictures from:Sebastian Suchanek - anzeigen
Date added:Feb 26, 2006
Dimensions:610 x 800 pixels
Displayed:6560 times
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