DRI Products & Applications

DRI Products & Applications Brochure

Over the past several decades, DRI production and products have evolved to meet growing steelmaking needs. As EAF steelmaking increases, DRI with its high metallic iron content, adjustable carbon level and consistent chemical and physical characteristics provides EAF steelmakers the broad flexibility to tailor their furnace charges to market conditions as well as giving them the ability to produce higher quality steels than would be possible with scrap alone.

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DFM2010Q1 Logistics of using HBI made with natural gas

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DFM2009Q3-4 Massive Savings in CO2 by HBI

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DFM2008Q3 Championing HBI

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Hot Transport - HTV

MIDREX® Hot Discharge Plants can be equipped with a hot transport vessel (HTV) system to minimize temperature loss and to prevent re-oxidation of HDRI while being transferred to an EAF meltshop over distances greater than 100 meters. The vessels typically have a capacity of 45-90 metric tons and are moved to the meltshop on specially designed vehicles. They operate under inert conditions throughout the entire fill - transport - discharge cycle.

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Hot Transport - HTC

MIDREX® Hot Discharge Plants can be equipped with a hot transport conveyor (HTC) system to minimize temperature loss and to prevent re-oxidation of HDRI while being transferred to an EAF meltshop up to a distance of 200 meters. The proven hot transport conveyor supplied by Aumund Fördertechnik GmbH has been used successfully with impressive results at multiple installations. The HTC system has several advantages over a pneumatic transport system including lower investment cost, lower energy and maintenance costs- and less fines generation.

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Hot Transport - HOTLINK®

The HOTLINK® System delivers HDRI to an adjacent EAF at up to 700° C by positioning the MIDREX® Shaft Furnace just outside and above the exterior wall of the meltshop. DRI is discharged hot into a surge bin and then fed directly to the EAF with minimal heat loss. Low velocity gravity transfer keeps physical degradation of HDRI to a minimum, and there is no re-oxidation of the HDRI due to the sealed design of the HOTLINK® System. The HOTLINK® System is designed with options to produce hot briquetted iron (HBI) or cold DRI (CDRI) without stopping production when the EAF is offline.

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