AN ARRANGEMENT FOR AN INDURATION MACHINE OF A PELLETIZING PLANT, AN INDURATION MACHINE AND A METHOD FOR INDURATING IRON ORE PELLETS

Method for treating molten metals and/or slags in metallurgical baths and metallurgical plant for treating molten metals

METHOD FOR SIMULTANEOUSLY INJECTING A FUEL GAS AND AN OXYGEN-RICH GAS INTO A UNIT

Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick

Refining vessel for high-temperature melt

Gas injection system, furnace provided with such a system and use thereof

METHODS FOR CONTROLLING THE POSITION OF FURNASE LANCES

CONVERTER

METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING BATH SMELTING FURNACE

Lance and method for determining reaction data of the course of a reaction

Method for blowing substitute reducing agents into a blast furnace

Method for making steel in an electric arc furnace and electric arc furnace

Smelting process and apparatus

Method to operate a smelt cyclone

Injector device for blowing oxygen-rich gases on or in, in a metallurgical unit or melting vessel, and electric arc furnace

Solids injection lance

Fluid cooled lances for top submerged injection

Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe

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

BUBBLING BRICK

Refining method and refining apparatus for chromium-contained molten steel

Industrial furnace

Gas flushing device for metallurgical melting pots

Apparatus for injecting gas into a vessel

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

System for optically analyzing a molten metal bath

Supplying solid feed materials for a direct smelting process