Sms Siemag Aktiengesellschaft

Sms Group Gmbh

Walter Weischedel

Axel Weyer

Wolfgang Reichelt

Lutz Rose

Markus Reifferscheid

Rolf Degel

Andreas Runge

Hans-Jürgen Odenthal

Peter Monheim

Udo Falkenreck

Norbert Uebber

Jochen Schlüter

Guido Kleinschmidt

Hans-Jürgen Hecken

Ina Hüllen

Detlef Strieder

Martin Assmann

Roland Konig

Roland KÖNIG

Jochen SCHLÜTER

A heating device for preheating a container (), such as a transfer ladle, transferring liquid metal in melting operations, which is lined with refractory material, wherein the container is heated in a heating stand () having a container closure lid (), is characterized by the use of porous burners () for heating the container () and keeping it warm.

Heating device for preheating a liquid-metal transfer container

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

A method of producing steel () with a high manganese and low carbon content on the basis of liquid pig iron () or liquid steel () and slag-forming constituents () with the object of preventing existing drawbacks of process route in vessels other than, e.g., electrical arc furnaces (). With steel produced with a high manganese and low carbon content, in a process, the carbon component is reduced to about 0.7-0.8% by a combined blowing of oxygen () through top lances () and underbath nozzles () after feeding of liquid ferro-manganese (and liquid steel () in a FeMn-refining converter (), wherein a component of a cold end product from premelt is added as cooling means (), and wherein the carbon component is reduced to about 0.05-0.1% C by a continuous blowing of oxygen () through the underbath nozzles.

Method of producing steel with high manganese and low carbon content

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.

Growing community of inventors

Meerbusch, Germany

Walter Weischedel