转底炉直接还原技术是铁矿粉（或红土镍矿、钒钛磁铁矿、硫酸渣或冶金粉尘、除尘灰、炼钢污泥等）经配料、混料、制球和干燥后的含碳球团加入到具有环形炉膛和可转动的炉底的转底炉中，在1350 ℃ 左右炉膛温度下，在随着炉底旋转一周的过程中，铁矿被碳还原。 当铁矿粉含铁品位在67%以上，采用转底炉直接还原工艺，产品为金属化球团供电炉使用；当矿粉含铁品位低于62%时，采用转底炉——熔分炉的熔融还原铁工艺，产品为铁水供炼钢使用。通常金属化率可达80%以上，金属化球团可作为高炉原料。
文章详细信息 关键词： 转底炉;;高温烟气;;余热回收 [gap=641]Keywords: rotary hearth furnace;high temperature waste gas;recovery of weast heat
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转底炉炼铁 rotary hearth iron making
转底炉工艺 rotary hearth furnace process
神雾蓄热式转底炉 SRF
煤基转底炉法 coal-based bottom rotary furnace
底吹转炉 bottom-blown converter ; Q-BOP ; Bessemer-bottom-blown furnace
顶底吹转炉 combined blown converter ; top and bottom blown converter
转底式炉 rotary heath furnace ; rotating hearth furnace
酸性底吹转炉 bottom-blown acid converter ; blown acid converter
碱性底吹转炉 bottom-blown basic converter ; blown basic converter
研究了采用转底炉工艺还原焙烧处理高炉瓦斯泥制备金属化球团。
The process of dealing with the BF gas slime adopting roasting reduction method with Rotary Hearth Furnace was studied.
重点介绍了转底炉法，该技术规模化生产尚未到达成熟的阶段，但具有良好的发展前景。
Rotary hearth furnace methods were introduced emphatically. Large-scale production of this technology has not yet reached the mature stage, but has good prospects for development.
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