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    • 5. 发明专利
    • Method for producing metallurgical coke
    • 生产冶金焦的方法
    • JP2013116964A
    • 2013-06-13
    • JP2011264718
    • 2011-12-02
    • Jfe Steel CorpJfeスチール株式会社
    • FUJIMOTO HIDEKAZUFUKADA KIYOSHIYAMAMOTO TETSUYADOI YUSUKETERUI MITSUTERUMATSUI TAKASHI
    • C10B57/04C10B45/02
    • C10B45/02C10B57/04
    • PROBLEM TO BE SOLVED: To provide a method for producing high-strength metallurgical coke by molding raw material coke including non-caking coal by using a compaction molding method, charging the obtained compaction-molded product into the carbonization chamber of a coke oven and dry-distilling the same.SOLUTION: There is provided the method in which low-volatile non-caking coal (A) containing more than 10% and less than 23% volatile components by mass ratio or high-volatile non-caking coal (B) containing more than 32% volatile components by mass ratio is selected, the relational expression of the coke strength index DIto the blending ratio for each of the low-volatile non-caking coal (A) and the high-volatile non-caking coal (B) is estimated, the blending ratio of the non-caking coal is determined so that the coke strength index DIsatisfies a predetermined value, the coke raw material is adjusted in accordance with the determined blending ratio to obtain the compaction-molded product, and then the obtained compaction-molded product is charged into the coking chamber of the coking oven and dry-distilled.
    • 待解决的问题:提供一种通过使用压实成型法将含有非结块煤的原料焦炭成型来制造高强度冶金焦炭的方法,将获得的压实成型体加入焦炭的碳化室 烤箱和干蒸馏相同。 解决方案:提供了含有超过10%且低于23%质量比的挥发性组分的低挥发性非结块煤或含有更多的挥发性非结块煤(B)的方法 选择超过32%挥发性成分的质量比,将焦炭强度指数DI 15 的关系式表示为共混比 对于每种低挥发性非结块煤(A)和高挥发性非结块煤(B),估计非结块煤的混合比,使得焦炭强度指数DI 150 15 满足预定值,根据所确定的混合比调整焦炭原料以获得压实成型品, 然后将获得的压实成型体加入到焦化炉的焦化室中并进行干馏。 版权所有(C)2013,JPO&INPIT