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    • 1. 发明公开
    • 고로 및 해당 고로의 작동 방법
    • 炉膛和操作炉的方法
    • KR1020100023965A
    • 2010-03-04
    • KR1020107001261
    • 2008-06-17
    • 티센크루프 에이티.프로테크 게엠베하
    • 코니크,제르트코니크,볼프람배비치,알렉산더셍크,디터게오르그구데나우,하인리히-빌헬름헬드트,한스-하인리히
    • C21B5/06C21B7/00F27B1/16F27B1/26
    • C21B5/06C21B7/002C21B7/007C21B2100/64F27B1/16F27B1/26F27D17/004
    • The invention relates to a method for operating a shaft furnace (10). According to said method, an upper region (14) of the shaft furnace (10) is charged with raw materials which sink in the shaft furnace (10) under the influence of gravity. Part of the raw materials is melted and/or at least partially reduced by the action of the atmosphere inside the shaft furnace (10). A treatment gas is introduced in a lower region (18) of the shaft furnace (10) by means of at least one lower admission opening (32), said treatment gas at least partially influencing the atmosphere inside the shaft furnace (10). The introduction of the lower treatment gas is dynamically modulated such that, during the modulation, the operating variables, that is pressure pand/or volume flow (I), are varied at least temporarily over a time span of
    • 本发明涉及一种操纵竖炉(10)的方法。 根据所述方法,在竖炉(10)的上部区域(14)中装有在重力作用下沉入竖炉(10)的原料。 一部分原料通过竖炉(10)内的气氛的作用而熔化和/或至少部分地减少。 处理气体通过至少一个下入口(32)引入竖炉(10)的下区域(18)中,所述处理气体至少部分地影响竖炉(10)内的气氛。 较低处理气体的引入被动态地调制,使得在调制期间,操作变量,即压力流和/或体积流量(I)至少在<= 40s的时间间隔内暂时变化, = 20s,优选<= 5s,特别优选<= 1s。 根据本发明,通过至少一个添加开口(42),与下入口(32)相距一定距离处引入加气,气体的操作变量即压力和/或体积流量(II), 至少暂时变化,和/或通过连接到竖炉(10)的内部(34)的竖炉气体管线(50)获得竖炉炉气体,用于除去气体反应产物,操作变量 的立式炉气体,即压力罐/或体积流量(III),至少暂时变化。 根据本发明,加法气体和/或竖炉炉气体的操作变量的变化使得竖炉(10)内(34)内的压力和/或体积流量(I) 至少部分增加。