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热力发电  2014 

弯扭动叶旋转煤粉分离器中转子叶轮的特性

, PP. 75-79

Keywords: 旋转煤粉分离器,弯扭动叶,转子叶轮,应力,应变,数值模拟

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Abstract:

为提高旋转煤粉分离器的性能,以中速磨煤机直叶片旋转煤粉分离器结构为依据,设计了一种变截面弯扭动叶旋转煤粉分离器。利用cfd软件对该分离器进行了数值模拟,并运用ugnx软件设计了该分离器的参数化几何模型,建立了转子叶轮应力场分析数学模型,得到了转速在70~110r/min时转子叶轮内部应力和应变的分布情况及相关规律,可为旋转煤粉分离器的设计、加工提供指导。

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