导言具有各种振动系统的筛分机,不仅在矿物的筛分和分级方面,而且在各种工业生产过程方面,都显示出了优越性,得到了越来越多的应用。在评价经济效益时,不但矿筛的处理能力,即过筛产品的数量和质量是重要的,而且操作因素也是重要的。例如,当会使厂房高度 Introduction Sifters with various vibratory systems show superiority not only in the screening and grading of minerals but also in various industrial processes and are increasingly used. In assessing economic benefits, not only is the handling capacity of the mine screen, that is, the quantity and quality of the products screened is important, but also the operational factors are important. For example, when making a factory height