Matches 1 - 8 out of 8
Match Document Document Title
4670240 Energy conservation during the smelting of ores  
The invention discloses processes for preparing matched sizes of electric furnace feed materials. With the matched sizes, components of the feed mixture do not separate inside the furnace and this...
4551172 Process of producing liquid carbon-containing iron  
Sponge iron is produced by a direct reduction with solid carbonaceous reducing agents. In order to permit a melting of the sponge iron, particularly of that part thereof which is inferior in...
4490168 Process of making steel by melting sponge iron in an electric arc furnace  
Sponge iron produced by direct reduction is melted in an electric arc furnace, in which a pool of liquid metal is maintained. To ensure that liquid carbon-containing iron for forming the pool is...
4094665 Method for simultaneous combined production of electrical energy and crude iron  
The invention relates to a method of combined production of electrical energy and crude iron and provides a further improvement over a method described in U.S. Pat. No. 3,985,544, issued Oct. 12,...
3918958 Method for the production of sponge iron  
A method and apparatus for the production of sponge iron, and preferably for the direct melting of the sponge iron in an electric arc furnace by the reduction of oxide containing iron ore, includes...
3888658 Process for the direct reduction of iron ore to steel  
A process for producing steel is disclosed in which a carbonaceous fuel is combusted to form a plurality of gases. A portion of the gases are fed to a fluidized bed reactor containing iron ore and...
3333952 Operation of a coal-fired power plant  
3052533 Process for the direct reduction of iron  
Matches 1 - 8 out of 8