FIELD: metallurgy. SUBSTANCE: method involves varying ratio of treatment time in heating, roasting and recuperation zones depending on height of wet pellet layer within the range of 200-400 mm. When layer height is 300 mm, ratio is 1: 1:1; for 200-300 mm height of layer ratio is 1.5:1:1; for 300-400 mm height of layer ratio is 1:1.5:1.5. EFFECT: increased efficiency and improved quality of pellets.
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Authors
Dates
1997-05-10—Published
1996-08-02—Filed