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    • 3. 发明授权
    • Method of operation of flash smelting furnace
    • 闪熔炉操作方法
    • US5174746A
    • 1992-12-29
    • US864126
    • 1992-04-06
    • Nobumasa KemoriAkihiko AkadaYasuhiro Kondou
    • Nobumasa KemoriAkihiko AkadaYasuhiro Kondou
    • F27B3/20F27D99/00
    • F27B3/205F27D2099/004
    • A method for operation of a flash smelting furnace comprising a reaction shaft, a settler connected at one end thereof to the lower portion of the reaction shaft and having a slag discharge port and a matte discharge port disposed on the side thereof, an uptake connected to the other end of the settler and at least one concentrate burner disposed to at least one of the top of the reaction shaft and the ceiling of the settler, in which the concentrate burner comprises at least a concentrate shoot, an oxygen blowing tube inserted in the concentrate shoot and an auxiliary fuel burner inserted into the oxygen blowing tube. In this method, the lower end of the oxygen blowing tube is protruded downward to lower than the lower end of the concentrate shoot and an amount of oxygen at least greater than that required for the auxiliary fuel is blown as an industrial oxygen by way of the oxygen blowing tube into the furnace. Oxygen efficiency can be improved remarkably while the rate of dust occurrence can be reduced.
    • 一种闪蒸熔炼炉的操作方法,包括反应轴,沉降器的一端连接到反应轴的下部,并具有设置在其侧面上的排渣口和无光喷射口,其吸收与 沉降器的另一端和设置在反应轴的顶部和沉降器的顶部中的至少一个上的至少一个浓缩燃烧器,其中浓缩燃烧器至少包括浓缩物柱,将氧气吹入管插入 浓缩物料和辅助燃料燃烧器插入吹氧管中。 在这种方法中,氧气吹送管的下端向下突出以比浓缩物料的下端低,并且至少大于辅助燃料所需的氧气量作为工业氧气通过 吹氧管吹入炉内。 可以显着提高氧气效率,同时可以降低粉尘发生率。
    • 4. 发明授权
    • Flash smelting furnace
    • 闪电熔炼炉
    • US4848754A
    • 1989-07-18
    • US197967
    • 1988-05-24
    • Nobumasa KemoriYasuo OjimaYasuhiro Kondo
    • Nobumasa KemoriYasuo OjimaYasuhiro Kondo
    • C22B5/08C22B5/02C22B5/14C22B15/00C22B23/02
    • C22B5/14C22B5/02
    • A flash smelting furnace includes a reaction shaft defining a reaction chamber therein, a plurality of reaction air blowing pipes passing through the side wall of the reaction shaft for blowing reaction air into the reaction chamber, and at least one concentrate burner attached to the top end of the reaction shaft and comprising a concentrate chute, a tubular auxiliary fuel burner extending vertically through the chute, a tubular oxygen blowing pipe concentrically surrounding the auxiliary fuel burner and a dispersion cone attached to the lower end of the oxygen blowing pipe. The air from the blowing pipes disturbs the jet stream of mixed smelting material and reaction gas in the reaction chamber, thereby achieving a uniform mixture of the material and the reaction air and extending the retention time of the material in the reaction shaft.
    • 闪电熔炼炉包括在其中限定反应室的反应轴,穿过反应轴的侧壁的多个反应空气吹送管,用于将反应空气吹入反应室,以及至少一个浓缩燃烧器,其附接到顶端 并且包括浓缩槽,垂直延伸通过所述滑槽延伸的管状辅助燃料燃烧器,同时围绕所述辅助燃料燃烧器的管状氧气吹送管和连接到所述吹氧管的下端的分散锥。 来自吹送管的空气扰乱反应室中的混合冶炼材料和反应气体的喷射流,从而实现材料和反应空气的均匀混合并延长材料在反应轴中的停留时间。