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    • 3. 发明授权
    • Method and apparatus for reducing the calorific consumption of a cement
producing plant
    • 减少水泥生产厂的热量消耗的方法和装置
    • US4191586A
    • 1980-03-04
    • US898549
    • 1978-04-21
    • Francis Dambrine
    • Francis Dambrine
    • C04B7/43F27B7/20C04B7/40
    • C04B7/43F27B7/2058
    • A major portion of raw material converted into clinker in a rotary tubular kiln is preheated by hot gases recovered from the kiln. The clinker is cooled in a cooler to which fresh air is delivered. The fresh air is heated in heat exchange contact with the clinker and fresh air thus heated to a temperature of 900.degree. C. to 1000.degree. C. is removed from the cooler and brought into heat exchange contact with a minor fraction of the raw material, thus at least partially calcining the raw material fraction and simultaneously cooling the air. The at least partially calcined raw material fraction is introduced into the kiln and at least a portion of the cooled air is delivered with the fresh air to the clinker.
    • 在旋转管状窑中转化成熟料的原料的主要部分由从窑炉回收的热气体预热。 熟料在送到新鲜空气的冷却器中冷却。 将新鲜空气与熟料进行热交换加热,将新鲜空气加热至900〜1000℃的温度,从冷却器中取出,与原料的一小部分进行热交换接触, 从而至少部分地煅烧原料馏分并同时冷却空气。 将至少部分煅烧的原料馏分引入窑中,并且将至少一部分冷却的空气与新鲜空气一起输送到熟料。