Radex-heraklith Industriebeteiligungs Aktiengesellschaft

Radex-heraklith Industriebeteilgungs Ag

Lorenz Dotsch

Andreas Batton

Jens Decker

Helmut Preyer

Helmut Schuller

Jean-Louis Retrayt

Karl-Heinz Hofer

Orfwin Rave

Frich Renfordt

Hans Hoffgen

Uwe Schatz

Josef Knauder

Bernd Grabner

The present invention pertains to a gas purging device for introducing gases and/or solid reactants into the metal melt of a metallurgical crucible, consisting of a gas purging plug, a well nozzle sleeve surrounding it, and/or a well nozzle surrounding the plug or the nozzle brick, with a mounting device arranged in the area of the respective end face.

Gas purging device

A process for producing a plug with increased resistance to infiltration and oriented porosity for use in metallurgical melting crucibles, in which the matrix material of the plug is subjected to an impregnating treatment.

Process for producing a gas purging plug with increased resistance to

The invention concerns a procedure for manufacturing fireproof ceramic molded parts, particularly of high alumina content based materials.

Procedure for manufacturing of fireproof ceramic molded parts

A process for producing refractory, carbon-bonded ceramic moldings includes spraying a low-viscosity organic containing carbon containing binder onto a coarse fraction of a refractory component, the coarse fraction having a particle size larger then 0.5 mm while maintaining the coarse refractory fraction having a particle size smaller then 0.5 mm onto the coated granules, pressing the granules thus produced into moldings, and subsequently curing the organic binder in the moldings, and tempering or firing the moldings.

Process for producing carbon-bonded refractory ceramic moldings

The invention relates to a flushing block for introducing gaseous and/or solid reagents and additives into a metallurgical melting vessel, which is connectable at one end to a gas pipe and at least to a drive means and at its other end has at least one outlet opening extending from its circumferential surface, said opening terminating in at least one gas channel which can be connected to the gas pipe.

Flushing block

Growing community of inventors

Vallendar, Germany

Lorenz Dotsch