本溪矿务局彩屯煤矿洗煤厂原来是用槽洗法洗彩屯矿原煤,牌号为瘦煤。后来由于原煤可选性由易选变为难选,槽选法已不适应,所以在1969年10月和1971年8月先后改建成末煤和块煤重介选车间。 生产实践证明,重介选比槽选要优越 Benxi Mining Bureau Caitun coal washing plant was originally washed with a tank wash Caitun mine raw coal, grade lean coal. Later, due to the raw coal alternative easy to change into a difficult choice, the slot election law has not adapted, so in October 1969 and August 1971 has been converted into the end of coal and lump coal meiosis plant. Production practice has proved that the HM election than the slot election to be superior