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    • 2. 发明授权
    • Method of producing cement clinker
    • 生产水泥熟料的方法
    • US5437721A
    • 1995-08-01
    • US255126
    • 1994-06-07
    • Detlev KupperWolfgang Rother
    • Detlev KupperWolfgang Rother
    • C04B7/44F27B15/00C04B7/43
    • F27B15/006C04B7/44
    • The invention relates to a method of producing cement clinker from fine-grained cement raw material which after preheating and calcining is burnt in a clinker burning zone divided into two stages and is then cooled. Optimum process conditions, particularly in the clinker burning zone, are achieved in that the calcined material is first of all heated to a temperature up to the region of the sintering temperature in a stage formed by a fluidized bed or spouted bed so that a build-up granulation of the material is brought about, whereupon the material thus heated is heated to the sintering temperature in a second stage of the clinker burning zone which acts as the finish-burning stage and tempered to the finishing burn.
    • 本发明涉及一种从细粒水泥原料生产水泥熟料的方法,其在预热和煅烧之后在熟料燃烧区燃烧分为两段,然后冷却。 实现最佳工艺条件,特别是在熟料燃烧区中,煅烧材料首先在流化床或喷射床形成的阶段中加热至烧结温度区域的温度, 引起材料的造粒,由此在熟料燃烧区的第二阶段将如此加热的材料加热至烧结温度,该熟料燃烧区用作精加工阶段并回火至精加工。
    • 7. 发明授权
    • Method and apparatus for heat treatment of fine-grained material
    • 细粒材料热处理方法和装置
    • US5919301A
    • 1999-07-06
    • US926223
    • 1997-09-09
    • Wolfgang RotherKlaus Adler
    • Wolfgang RotherKlaus Adler
    • C04B7/43F27B7/20C04B7/48
    • F27B7/2033C04B7/432Y02P40/126
    • The invention relates to the heat treatment of fine-grained material which is first of all preheated in a multi-stage cyclone preheater, then further heated in a calcination zone, next finally burnt in a kiln and then cooled. Preheated material and tertiary air are delivered to the reaction chamber of the calcination zone in order to maintain therein a reducing atmosphere for reduction of the NO.sub.X content in the kiln exhaust gases. For the purpose of good adjustability of the reaction temperature in the reaction chamber and for the purpose of a space-saving construction, the preheated material from the second-lowest preheating stage as well as tertiary air are introduced at the bottom into the reaction chamber and an adjustable part-quantity of the preheated material from the third-lowest preheating stage is introduced into an upper region of the calcination zone.
    • 本发明涉及首先在多级旋风预热器中预热的细粒材料的热处理,然后在煅烧区进一步加热,接着最后在窑中燃烧,然后冷却。 将预热的材料和三次空气输送到煅烧区的反应室,以便在其中保持用于还原窑废气中的NO x含量的还原气氛。 为了反应室中的反应温度的可调节性以及节省空间的目的,来自第二低预热阶段的预热材料以及三次空气在底部被引入反应室, 将来自第三最低预热阶段的预热材料的可调部分量引入煅烧区的上部区域。