Sms Demag Ag

Sms Group Gmbh

Klaus Schmale

Peter Starke

Jürgen Kunze

Rolf Best

Alexander Bergs

Guido Kleinschmidt

Guido Grund

Andreas Sch&uuml;ring

Thomas Henkel

Joachim Lemke

Bernhard Espendiller

Dirk Breker

Jan Bader

Detlef Strieder

A feeding device for closed shaft furnaces connected to a gas-extracting device, in particular for low shaft furnaces for melting steel scrap, having a transporting device, which leads to the head of the upper furnace vessel and is integrated at least partially in the furnace atmosphere, and a distributing device for distributing the charge. In this case, a carousel which can be charged by a conveying device is provided in the furnace head. The carousel, in the furnace head, is guided rotatably on a path, fastened on the casing of the upper furnace vessel, above the gas-extracting device and has shutter elements connected to actuators.

Feeding device for electrical shaft furnaces with an electrode-receiving central tube

The invention pertains to a process and to a device for supplying current to an electric-arc melting unit for melting and heating metal, especially steel, with a three-phase a.c. source, which sends the current via devices for producing direct current or alternating current to at least one electrode projecting into the vessel of the melting unit. The three-phase a.c. source ( ) is followed by at least two power supply modules ( ), connected in parallel, where each power supply module ( ) has an uncontrolled three-phase bridge ( ), a direct-current intermediate circuit ( ), and a transistor unit ( ) connected in series, and where, downline from the power supply modules ( ) in the current flow direction, a common current-carrying line ( ) leads to at least one electrode ( ) of the melting unit ( ) and away from at least one other electrode ( ).

Method and device for supplying an electric arc melting furnace with current

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Krefeld, Germany

Klaus Schmale