大柳塔选煤厂降低介耗实践.pdf

文档介绍：第 27 卷 增刊 1 洁 净 煤 技 术 Vol. 27 Supp. 1
ration Plant CHN Energy Shendong Coal Preparation Center Yulin 719315 China
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Abstract In order to reduce the medium consumption of shallow trough dense medium and fine coal dense medium cyclone separation sys-
， ， ， ，
tem the factors influencing medium consumption such as the operation status of magnetic separator the structure of de－medium screen
，
the use effect of fixed screen the opening and closing degree of shunt and the water quality of spray water were systematically analyzed．It
，
is found that the average recovery rate of magnetic material of magnetic separator of terminal coal system is lower than 99．80% the incli-
，
nation angle of the screen surface of the desmear screen of terminal coal phase II is large the fixed screen of terminal coal phase II and big