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应用鞍钢七号高炉炉身三层取样装置,研究了自熔性烧结矿在炉内性状变化,证实烧结矿在炉身粉化严重,<5mm粉末高达65～70％,强度、软熔及还原等高温性能均发生变化。这些变化除与烧结矿的质量有关外,还与炉内操作因素如温度、煤气流分布和碱金属有关。
The application of the three-layer sampling device of No. 7 blast furnace shaft body in Anshan Iron and Steel Co., Ltd. studied the variation of self-fluxing sinter in the furnace and confirmed that the sinter was seriously pulverized in the shaft body with <5 mm powder up to 65-70% strength, reflow and reduction Other high-temperature properties have changed. In addition to the quality of the sinter, these changes are also related to furnace operating factors such as temperature, gas flow distribution and alkali metals.