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Rotary Hearth Furnace Iron Direct Reduced Iron

Rotary Hearth Furnace Iron Direct Reduced Iron

Nov 08, 2007· Various types of hearth furnaces have been described and used for direct reduction of metallic iron nodules. One type of hearth furnace, referred to as a rotary hearth furnace (RHF), has been used as a furnace for coal-based direct reduction. An example of such a rotary hearth furnace is described in U.S. Pat. No. 3,443,931.

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