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Studies on direct reduced iron melting in induction furnace

In the last two decades, the use of a combination of scrap and high-quality scrap substitutes (Direct Reduced Iron (DRI) and Pig Iron) by the steelmakers has been steadily increasing due to the ...

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In the third phase the steel is produced by oxidizing the hot metal (or direct-reduced iron (DRI)). There are three possible furnaces to produce the steel: — open hearth furnace (OHF), — basic oxygen furnace (BOF), — electric arc furnace (EAF). The BOF is a vessel where oxygen is injected into the hot metal to remove carbon and

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Direct Reduced Iron (DRI) Production Plant

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL ENGINEERING CO., LTD. Basic Concept or Summary S-16 u A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gases.

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Direct Reduced Iron (DRI) | International Iron Metallics. Some clean iron units (free of residual elements, copper, tin and zinc) are necessary as a charge material in addition to scrap to offset residual element build-up by dilution Clean iron units are either direct reduced iron, pig iron from a blast furnace, hot briquetted iron or iron carbide.

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The furnace is similar to traditional electric furnaces in that it utilizes electrodes for the melting process. The liquid hot metal that is produced by the furnace can be used as hot metal feed for an electric arc furnace (EAF) or the hot metal can be directly cast as pig iron using a pig casting machine. The DRI melter can be designed to ...

Direct reduced iron - Wikipedia

Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal.Many ores are suitable for direct reduction. Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting ...

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Direct reduced iron (DRI),, of the process is to drive off the oxygen contained in various forms of iron ore (sized ore, concentrates, pellets, mill scale, furnace dust, etc),, There is some evidence that the bloomery method was also used in China, but China had developed blast furnaces to,

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Direct Reduced Iron (DRI) | International Iron Metallics ...

DRI can be either hot or cold charged to the EAF. Some steel companies ship DRI from their captive direct reduction plants to their remote steel mills and a small volume of DRI is sold to third parties. In India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source.

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The air flow and machine layout is designed to properly indurate all the green pellets and still protect the pallet cars from the high temps of the furnace. To do this, the cars are lined with high temperature stainless steel bars and the sidewalls are also made of high temperature stainless steel.