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    • 9. 发明授权
    • Process for making blast furnace coke
    • 制造高炉焦炭的工艺
    • US6033528A
    • 2000-03-07
    • US718566
    • 1997-01-13
    • Mitsuhiro SakawaMasaki SasakiMakoto MatsuuraIkuo KomakiKenji Kato
    • Mitsuhiro SakawaMasaki SasakiMakoto MatsuuraIkuo KomakiKenji Kato
    • C10B49/02C10B57/04C10B57/10C10B57/08
    • C10B57/10C10B49/02C10B57/04
    • A blast furnace coal is produced by rapidly heating a coal blend having 10 to 30% by weight of a non-slightly-caking coal having softening initiation temperature T with the balance including a caking coal having softening initiation temperature T.sub.0 (T.sub.0 .ltoreq.T +40.degree. C.) at a rate of 1.times.10.sup.3 to 1.times.10.sup.6 .degree. C./min to a temperature region from (T -60.degree. C.) to (T +10.degree. C.) wherein T represents the softening initiation temperature of the non-slightly-caking coal; or rapidly heating a non-slightly-caking coal having softening initiation temperature T and a caking coal having softening initiation temperature T.sub.1 separately at a rate of 1.times.10.sup.3 to 1.times.10.sup.6 .degree. C./min to a temperature region from (T -100.degree. C.) to (T +10.degree. C.), wherein T represents the softening initiation temperature of the non-slightly-caking coal, or a temperature region from (T.sub.1 -100.degree. C.) to (T.sub.1 +10.degree. C.), wherein T.sub.1 represents the softening initiation temperature of the caking coal, blending the heated non-slightly-caking coal with the heated caking coal to prepare a coal blend having 10 to 30% by weight of the non-slightly-caking coal with the balance including the caking coal; and charging the coal blend into a coke oven where the coal blend is carbonized.
    • PCT No.PCT / JP96 / 00226 Sec。 371日期1997年1月13日 102(e)日期1997年1月13日PCT提交1996年2月2日PCT公布。 公开号WO96 / 23852 日期1996年8月8日高炉煤是通过快速加热具有10〜30重量%的具有软化初始温度T的非轻微结块煤的煤混合物生产的,余量包括具有软化初始温度T0的结块煤( (T-60℃)至(T + 10℃)的温度范围内,以1×10 3〜1×10 6℃/分钟的速度进行反应,其中T表示软化 非轻微结块煤的起始温度; 或者以1×10 3〜1×10 6℃/分钟的速度,分别以(T-100℃)的温度区域将具有软化初始温度T的非轻微结块煤和软化初始温度T1的结块煤分别快速加热, 至(T + 10℃),其中T表示非轻微结块煤的软化初始温度或(T1-100℃)至(T1 + 10℃)的温度区域,其中 T1表示结块煤的软化起始温度,将加热的非轻微结块煤与加热的结块煤混合,制备具有10至30重量%的非轻微结块煤的煤混合物,余量包括 结块煤; 并将煤混合物装入焦炭炉中,其中煤混合物被碳化。