A load lock system for manufacturing a metal alloy using a feed material includes a process chamber having a controlled atmosphere, a feed chamber in flow communication with the process chamber having controlled atmosphere capabilities configured to contain a quantity of the feed material, and a collection chamber in flow communication with the process chamber having controlled atmosphere capabilities configured to collect the metal alloy manufactured in the process chamber. The system also includes a gate valve between the process chamber and the feed chamber configured to either allow passage of the feed material between the chambers, or to seal the process chamber from the feed chamber. The system also includes a discharge valve between the process chamber and the collection chamber configured to either allow passage of the metal alloy between the chambers, or to seal the process chamber from the collection chamber.

A load lock system for manufacturing a metal alloy using a feed material includes a process chamber having a controlled atmosphere, a feed chamber in flow communication with the process chamber having controlled atmosphere capabilities configured to contain a quantity of the feed material, and a collection chamber in flow communication with the process chamber having controlled atmosphere capabilities configured to collect the metal alloy manufactured in the process chamber. The system also includes a gate valve between the process chamber and the feed chamber configured to either allow passage of the feed material between the chambers, or to seal the process chamber from the feed chamber. The system also includes a discharge valve between the process chamber and the collection chamber configured to either allow passage of the metal alloy between the chambers, or to seal the process chamber from the collection chamber.

The present invention relates to blast lances for gas blowing in metallurgical processes, the blast lance comprising a cylindrical lance core and a refractory casing, wherein the said refractory casing comprises n+1 refractory tubular sections and n or more refractory annular structures, wherein each set of two neighbouring refractory tubular sections is connected via a refractory annular structure, and wherein n is an integer of 1 or higher. The invention further relates to the use and method of production of such blast lances.

An improved apparatus for producing steel, including a lower furnace, an annular, water-cooled, fireproof lined cylindrical upper furnace, on which an upwardly closing conically tapering hat having openings can be placed. The smelting assembly is configured for the operational mode without melt flow and the operational mode with melt flow. To this end, at least one opening is provided in the conical furnace cover, through which opening at least one top lance can be introduced into the upper furnace. A plurality of sidewall injectors radially rotate around the cylindrical upper furnace in such a way that in a working position, the top lance and the sidewall injectors are directed onto a smelt level of a molten mass located in the lower furnace for refining.

This electric furnace includes one or more upper electrodes, one or more bottom-blowing tuyeres, a mechanical stirrer equipped with an impeller, and a charging device which injects an iron oxide-containing iron raw material.

This electric furnace includes one or more upper electrodes, one or more bottom-blowing tuyeres, a mechanical stirrer equipped with an impeller, and a charging device which injects an iron oxide-containing iron raw material.

Disclosed is a single-chamber furnace for fuming an evaporable metal or metal compound from a metallurgical charge including a bath furnace for containing a molten charge up to a determined level, the furnace being equipped with a non-transferred plasma torch for the generation of plasma and a first submerged injector for injecting the plasma below the determined level, the furnace further including an afterburning zone to form an oxidized form of the at least one evaporable metal or metal compound, and a recovery zone for recovering the oxidized form from the gas formed in the afterburning zone, whereby the furnace is further equipped with a second submerged injector for injecting extra gas into the furnace below the determined level. Further disclosed is the use of the furnace and a process for fuming an evaporable metal or metal compound from a metallurgical charge.

Disclosed is a single-chamber furnace for fuming an evaporable metal or metal compound from a metallurgical charge including a bath furnace for containing a molten charge up to a determined level, the furnace being equipped with a non-transferred plasma torch for the generation of plasma and a first submerged injector for injecting the plasma below the determined level, the furnace further including an afterburning zone to form an oxidized form of the at least one evaporable metal or metal compound, and a recovery zone for recovering the oxidized form from the gas formed in the afterburning zone, whereby the furnace is further equipped with a second submerged injector for injecting extra gas into the furnace below the determined level. Further disclosed is the use of the furnace and a process for fuming an evaporable metal or metal compound from a metallurgical charge.

A smelting apparatus for smelting metallic ore comprising a furnace having a continuous curved wall and end walls defining a longitudinal volume having a longitudinal axis in a horizontal direction. The continuous curved wall has a lowermost area. The longitudinal volume is divided in at least three longitudinal layers comprising a top layer within which gasified fuel is combusted for creating a hot gas composition to release, from the metallic ore, at least molten metal and slag, a lowermost layer at the lowermost area for holding molten metal, and a mid-layer above the lowermost layer in which the slag accumulates. The present document also describes processes using the smelting apparatus for producing ferrous and non-ferrous minerals from a metallic ore.

A smelting apparatus for smelting metallic ore comprising a furnace having a continuous curved wall and end walls defining a longitudinal volume having a longitudinal axis in a horizontal direction. The continuous curved wall has a lowermost area. The longitudinal volume is divided in at least three longitudinal layers comprising a top layer within which gasified fuel is combusted for creating a hot gas composition to release, from the metallic ore, at least molten metal and slag, a lowermost layer at the lowermost area for holding molten metal, and a mid-layer above the lowermost layer in which the slag accumulates. The present document also describes processes using the smelting apparatus for producing ferrous and non-ferrous minerals from a metallic ore.