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通过对稀相气力输送粉料压损比与混和比比例关系式中比例系数Ｋ的实验研究，获得了关于Ｋ的经验公式建立了基于此比例关系式的差压－速度法粉料流量测量模型实验验证相应的粉料流量检测系统的测量精度为５％，满足工业应用要求。
Based on the experimental study on the proportional coefficient K of proportional relation between the pressure loss ratio and mixing ratio of dilute phase pneumatic conveying, the empirical formula about K was established to establish the differential pressure - velocity method powder flow measurement model based on this proportional relationship Experimental verification of the corresponding powder flow detection system measurement accuracy of 5%, to meet the requirements of industrial applications.