Combined with the application situation of Bohou screening and sine powerful screening in Xingtai Mine Coal Preparation Plant, this paper mainly conducted comparative analysis of their different characteristics, summed up that compared with the Bohou screening, the sine powerful screening can improve the screening rate, increase the broken raw coal processing capacity, and also can improve the handling capacity.%本文主要针对博后筛和正弦强力筛的不同特点，结合两种分级筛在邢台矿洗煤厂的使用情况，进行对比分析，总结出相对于博后筛，强力正弦筛可以提高透筛率，提高筛分破碎的原煤处理量，同时还能提高处理能力。
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