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一、磨矿细度、流程和特点美国目前有18座较大的铁矿选矿厂,其中磨矿细度在70％-43微米以上的有14座,我们称为细磨选厂。这些细磨选厂的磨矿细度和磨矿流程列于表1、2。表1可见,细度在80％-43微米以上的有11座,占铁矿选厂的61.1％,占细磨选厂的78.6％。二个最细的是恩派尔选厂92～93％-25微米和蒂尔登选厂85％-25微米。
First, the grinding fineness, flow and features The United States currently has 18 larger iron ore beneficiation plant, including grinding fineness of 70% -43 microns in more than 14, we call the fine grinding plant. The grinding fineness and grinding process of these fine grinding plants are shown in Tables 1 and 2. Table 1 shows that the fineness of more than 80% -43 microns in 11, accounting for 61.1% of iron ore processing plant, accounting for 78.6% of fine grinding plant. The two finest are Empire Processors 92-93% -25 micron and Tilden 85% -25 micron.