Voest-alpine Industrieanlagenbau Gmbh & Co.

Philipp Gittler

Markus Brummayer

Josef Watzinger

The invention relates to an electrostatic dust separator for horizontal gas throughflow, with a housing which is substantially rotationally symmetrical in relation to a central housing axis, with a tubular inlet port flaring in a single conical section up to 80 to 95% of the housing diameter, the remaining widening of 5 to 20% of the housing diameter taking the form of a step which is configured substantially perpendicularly and radially symmetrically in relation to the housing axis, with at least two perforated gas-distributing plates arranged in the conical section and substantially perpendicularly in relation to the housing axis.

Electrostatic dust separator

A process for producing a continuous-casting plant for producing these products and a submerged nozzle therefor and a continuously cast primary product, in particular broad slabs, having a thickness of the primary product D&#x3e;100 mm and a width of the primary product B=2700 mm to 3500 mm at a casting rate v&#x3c;2 m/min in a continuous-casting plant. To achieve uniform solidification conditions for the cast strand and uniform melting and distribution conditions for the casting powder, molten material leaves the submerged nozzle through opposite outlet openings with a momentum which is directed toward the narrow side walls a mold, and for a defined width:thickness ratio of the primary product, as a function of the ratio of the velocity of the molten material in the core cross section of the submerged nozzle (v) to the casting rate (v), design values for the width (b) of the submerged nozzle and the height (h) of the lateral outlet opening of the submerged nozzle are selected in such a way that a uniform strand shell is formed in the casting direction and peripheral direction along the wide side walls and narrow side walls of the permanent mold.

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Leonding, Austria

Philipp Gittler