Matches 1 - 9 out of 9


Match Document Document Title
US20120031237 TILTING ROTARY FURNACE SYSTEM AND METHODS OF ALUMINUM RECOVERY  
A tilting rotary furnace with a door assembly that seals against a furnace vessel. The seal between the door and the furnace vessel allows for regulation of the internal environment of the furnace...
US20100052226 ROTARY HEARTH FURNACE FOR TREATING METAL OXIDE MATERIALS  
A rotary hearth furnace for treating metal oxide materials comprises a hearth mounted for rotary movement within an enclosure. One or more fuel burners are positioned above the hearth. The burners...
US20080087135 Microwave heating method and apparatus for iron oxide reduction  
A method and apparatus for reducing iron oxides using microwave heating in a furnace chamber which is sealed against the entrance of air reduces the energy required and produces a low temperature...
US20120007292 METHOD AND APPARATUS FOR PRODUCING REDUCED METAL  
A feedstock-feeding step of feeding a feedstock containing a carbonaceous reductant and an iron oxide-containing material into a rotary hearth furnace, a heating/reducing step of heating the...
US20100031776 SYSTEM AND METHOD OF PRODUCING METALLIC IRON  
A hearth furnace 10 for producing metallic iron material has a furnace housing 11 with a drying/preheat zone 12 capable of providing a drying/preheat atmosphere for reducible material, a...
US20070034055 Method and apparatus for producing reduced metal  
It is an object of the present invention to provide a technique for solving the following problem by properly controlling the flow of gas such as air (oxidizing gas): a problem that the degree of...
US20100139456 REDUCTION TREATMENT APPARATUS AND METHOD OF REDUCTION TREATMENT  
A reduction treatment apparatus can include a reduction furnace configured to reduce zinc and/or iron oxide thorough heat treatment of zinc-containing iron oxide or zinc oxide or iron oxide, with...
US20120325053 APPARATUS AND METHODS FOR PRODUCING DIRECT REDUCED IRON  
A hearth furnace for producing direct reduced iron is described. The furnace has first and second combustion chambers, each having a rotating hearth within it to receive iron oxide and reducing...
US20100288076 DEVICE AND METHOD FOR OBTAINING NON-FERROUS METALS  
Device and method for separating metals and metal oxides thereof, in particular in non-ferrous alloys, such as zinc. To this end, zinc residues (dross) is placed in a rotary drum and heated. After...
Matches 1 - 9 out of 9