Mannesmann Aktiengesellschaft

Hermann Cepin

Gerd Herre

Luciano Ambrosi

Ulrich Pohl

Guenter Zimmer

Hartmut Schmieden

Karl-Heinz Ungar

Franz Schulze-Hagen

Emil Herre

Process and device for introducing bulk material into a rotary hearth

Submerged arc furnace with vertically movable frame

An electro furnace for metallurgic operations has its top connected to a vertically extending cylinder, into which a charge pipe leads at an oblique angle. A ceramic plug glides in the cylinder in piston like fashion for selective opening and closing the opening from said charge pipe. Any burden and ore mixture will therefore fall freely from the charge pipe whenever the plug is shifted up to open the gate.

Charging electro furnaces

A feed through structure for passing electrodes through a furnace cover into the interior of an electro furnace such as an electric arc or reduction furnace includes thin walled, water cooled hollow cylinders made of electrically conductive material and being provided in apertures in the cover; electrodes are passed through cylinders and electrically conductive hollow copper bridges interconnect all of said hollow cylinders to the extent they pertain to different phases; these bridges are provided in pairs for separately connecting the inside and outside ends of the hollowed cylinders.

Feed through structure for electrodes in electric furnaces

Growing community of inventors

Duisburg, Germany

Hermann Cepin