Mannesmann Aktiengesellschaft

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Wolfgang Reichelt

Ulrich Urlau

Ewald Feuerstacke

Karl-Heinz Spitzer

Peter Voss-Spilker

Klaus Schwerdtfeger

Joachim Kroos

Paul Freier

Franz Keutgen

Peter Monheim

Walter Weischedel

Helmut Schlechtriem

Horst Stinnertz

Fritz P Pleschiutschnigg

Achim Kubon

Dietmar Lohse

Dieter Kothe

Werner Hofmann

Wilhelm Schmitz

Gerd Moellers

Wolfgang Bleck

Herbert Forster

Paul Splinter

Erich Willems

Dieter Senk

Martin Wiesel

Frank Friedel

Klaus Franken

Heino Buddenberg

Joachim Koch

Oliver Picht

Frank Koch

Rolf B&uuml;nten

Karl-Heinz Schmitt

Horst Maier

Jurgen Schemeit

Klaus Schwarz

Karl-Heinz Haeusler

Matthias Scheulen

Bernhard Krueger

Peter Vos-Spilker

Michael Bruhl

Elmar Wagener

Thomas Von Hinrichs

Wolfgang Dohring

Michael Br&uuml;hl

A method for the continuous production of steel using metal charge material that is preheated in an upper part of a melting vessel, is then melted in a lower part of the melting vessel with fossil fuels and the molten material is continuously discharged into a treatment vessel in which the desired steel quality is adjusted while gases are introduced into the melting vessel from the exterior to afterburn the melting exhaust gases. The process gases are step-wise afterburned when ascending in the melting vessel by introducing the afterburn gases into the interior of the charge material column by way of an interior shaft that projects into the material column and in whose walls inlet openings for the gases are disposed and form afterburn planes arranged one on top of the other.

Method and device for the continuous production of steel using metal charge material

The invention relates to a method and device for the continuous production of steel using metal charge material () that is preheated in an upper part of a melting vessel (), is then melted in a lower part () of the melting vessel l() with fossil fuels () and the molten material () is continuously discharged into a treatment vessel () in which the desired steel quality is adjusted while gases () are introduced into the melting vessel () from the exterior to afterburn the melting exhaust gases (). The aim of the invention is to improve the aforementioned afterburn step while at the same time reducing oxidation of the iron-containing charge materials. For this purpose, the process gases () are step-wise afterburned when ascending in the melting vessel () by introducing the afterburn gases () into the interior of the charge material column by way of an interior shaft () that projects into the material column and in whose walls () inlet openings () for the gases () are disposed and form afterburn planes (E, E) arranged one on top of the other. The invention also relates to a device for carrying out the inventive method.

A strip casting plant with side limits arranged closely adjacent to a carrying belt. The side limits, and preferably the supply device for molten metal, are capable of vibrating and are connected to a device for producing vibrations. The adhesion of solidified material can thus be prevented.

Strip casting plant

The invention relates to a method and a device for the production of a strip-like metallic composite material by the high-temperature dip coating of a metallic carrier strip, consisting of a metallurgic vessel for receiving the liquid depositing material, through which the carrier strip is capable of being led in a preferably vertical run-through direction by means of pairs of rollers arranged on the entry and the exit side, and of a preheating device for the carrier strip, said preheating device being located upstream of the metallurgic vessel. At the same time, the preheating device ( ) is arranged in a housing ( ) which is arranged in the entry region upstream of the metallurgic vessel ( ) and surrounds the carrier strip ( ) and into which the medium coming from a media supply ( ) is capable of being introduced via at least one feed ( ) led into the housing.

Method for producing a strip-like metal composite by high temperature dip coating

Method and device for producing silicon-rich foundry iron

A strip casting plant with a circulating belt. In the cooling area, the belt is sucked against carriers by a negative pressure in the cooler. The carriers are arranged so that, with given mechanical properties of the circulating belt, a deflection that compensates for the thermal elongation takes place between the supporting surfaces of the carriers.

Strip casting device

Supporting arrangement for thin strip casting

Casting nozzle for thin strip casting plants

Method for pouring a metal melt into a mold

An immersion nozzle for pouring molten metal, especially steel, from a pouring vessel into a mold of a continuous casting machine. The nozzle includes a substantially tubular upper part that can be attached to the pouring vessel and a lower part that has a broad side significantly larger than its narrow side at the opening end. The upper part has, at the end facing the lower part, a flared section that encircles the entry area of the lower part. A seal is provided between the upper part and the entry area of the lower part. The lower part has a support in the entry area. Holding elements are provided so as to touch the support of the lower part and connect the lower part to the upper part.

Immersion nozzle for pouring molten metal (joint point)

Immersed outlet for casting metal

Method and equipment for the integral casting of metal strip close to

Process and device for cooling molten steel

Conveyor belt for use in a continuous strip-casting device for the

The apparatus includes a spray chamber having a transport device for positioning a billet adjacent a nozzle for spraying a stream of molten metal onto the surface of the billet. The billet is engaged by a tandem arrangement of holding devices which are attached to driven ring gears. With the holding devices engaging the billet rotation of the ring gears rotates the billet about its longitudinal axis as the billet is sprayed with molten metal from the nozzle. As the billet is rotated it is also moved longitudinally by servo-cylinders attached to the ring gears. The servo-cylinders advance and retract in sequence as the ring gears rotate to generate combined longitudinal and rotational movement of the billet adjacent the nozzle. Thus a uniform layer of metal is deposited over length of the billet to form a round billet exclusively by spray-casting.

Method of and apparatus for spraycasting

Growing community of inventors

Moers, Germany

Wolfgang Reichelt