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The present invention provides a gas based direct reduction process for producing sponge iron comprising: mixing lump iron ore, iron ore pellets after coating with limestone powder; Characterized in that the mixing is carried out in following proportion: Lump iron ore in 90-85 percent by weight, Iron ore pellets in 1...

The present invention relates to a device for lifting and lowering a stopper rod in a casting apparatus for regulating the flow rate of molten metal discharged from a tundish during a continuous casting operation. Said device comprises: an elongated frame, said frame consists of first outwardly projected structure at ...

The present invention relates to the brick Composition for use in building construction. More particularly it relates to bricks made of effluent treatment plant sludge and fly ash as raw materials. The brick composition comprises: sludge from effluent treatment plant in an amount of from 30% to 40% by weight of total ...

The present invention relates to a method of improving the yield of a conarc furnace by reducing percentage of FeO in an electric arc furnace (EAF) slag in steel manufacturing process. More particularly, the present invention relates to a modified attempt to decrease the percentage of FeO in an electric arc furnace ...

The present invention provides a process for reducing iron ore in a blast furnace to obtain iron, the process comprising: charging iron ore and coke into the blast furnace from top of the furnace; injecting pulverized coal into the furnace through tuyere using a first injector, the first injector being provided in a...