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2. 发明授权

US06907994B2 Process for converting wet fly ash into dry useful industrial products 失效
标题翻译：将湿粉煤灰转化为干燥有用的工业产品的工艺
公开(公告)号：US06907994B2
公开(公告)日：2005-06-21
申请号：US10274285
申请日：2002-10-18
申请人： William S. Bradley , Robert L. Carnahan , Frank A. Elk , Riley D. Robbins
发明人： William S. Bradley , Robert L. Carnahan , Frank A. Elk , Riley D. Robbins
IPC分类号： B03B9/04 , C04B18/08 , F26B1/00 , F26B3/20 , B09B3/00 , B07B1/46
CPC分类号： F26B3/205 , B03B9/04 , C04B18/08 , C04B2111/1087 , F26B1/00 , Y02W30/92 , Y10S106/01 , C04B20/04
摘要： There is provided a process for converting wet fly ash into a useful product such as cement replacement or industrial filler. A first amount of wet fly ash is provided. The wet fly ash is fed into a mixing chamber. An amount of aggregate, such as stone, is provided. The aggregate is also fed into the mixing chamber where the wet fly ash is mixed with the aggregate. The mixed wet fly ash and aggregate is fed into a drying chamber where the mixture is heated, thereby drying the fly ash and heating the aggregate. The heated aggregate is separated from the fly ash. The heated aggregate is fed back into the mixing chamber. A second amount of wet fly ash is added to the mixing chamber where is it mixed with the heated aggregate. The heated aggregate assists in drying the second amount of wet fly ash. Once in cycle, the process is continuous. Preferably, after the dried fly ash is segregated from the heated aggregate, it is introduced to a burner where the carbon component is oxidized and the beneficated fly ash exits.
摘要翻译：提供了将湿粉煤灰转化成有用产品如水泥替代品或工业填料的方法。提供第一量的湿粉煤灰。将湿粉煤灰送入混合室。提供了一些总量，如石头。聚集体也进料到混合室中，其中湿粉煤灰与聚集体混合。将混合的湿粉煤灰和骨料进料到干燥室中，混合物被加热，从而干燥飞灰并加热聚集体。加热的聚集体与飞灰分离。将加热的聚集体反馈到混合室中。向混合室中加入第二量的湿粉煤灰，其中与加热的聚集体混合。加热的聚集体有助于干燥第二量的湿粉煤灰。一旦循环，过程是连续的。优选地，在将干燥的飞灰与加热的聚集体分离之后，将其引入燃烧器中，其中碳组分被氧化并且有益的飞灰离开。

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