在分析比较复频筛、双幅异频筛和三轴椭圆筛的基础上,研制了一种新型双频振动筛,具有高频-低幅和低频-高幅两种振动参数,有助于提高筛机处理能力和筛分效率;采用了侧板梁激振的独特结构,配以更换方便的波浪形筛板,尤其适用于末精煤的脱水。 Based on the analysis and comparison of the multi-frequency screen, the double-frequency screen and the three-axis oval screen, a new type of dual-frequency shaker has been developed with two kinds of vibration parameters, high frequency-low amplitude and low frequency- Screen machine handling capacity and screening efficiency; Adopted a unique structure of the side beam excitation, coupled with a convenient replacement of the wavy sieve, especially for the end of the clean coal dehydration.