Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт
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(54) СПОСОБ ОБЖИГА МАРГАНЦЕВБ1Х КОНЦЕНТРАТОВ 3. Предмет изобретени Способ обжига марганцевых концентратов с вводом твердого углеродистого восстаповител в шихту, ее нагревом до 850-1050°С,5 охлаждением и выгрузкой, отличающей йс тем, что, с целью снижени угара восста4 новител и повышени производительности процесса, в состав шихты ввод т часть восстановител в количестве 5-20% от теоретически необходимого, а остальную часть восстановител в виде кокса крупностью 5-12 мм ввод т в процессе охлаждени шихты. (54) METHOD OF GRINING OF MANGANESEVB1X CONCENTRATES 3. The subject of the invention is a method of burning manganese concentrates with the introduction of solid carbon regenerator into the charge, its heating to 850-1050 ° C, 5 cooling and unloading, which is different because increasing the productivity of the process, a portion of the reducing agent in the amount of 5–20% of the theoretically necessary is introduced into the mixture, and the rest of the reducing agent in the form of coke with a particle size of 5–12 mm is introduced during the cooling of the charge.
Process and furnace for the direct preparation of iron starting from its oxides, in particular starting from fine ores, by reduction, in the solid state, in several phases.