1999年2月16日,四台矿洗选系统技术改造圆满成功。运转20多d的数据表明,该矿的洗精煤质量又有提高。 四台矿是我国首座设计能力为500万t的井工型现代化矿井,与矿井配套的洗煤厂年洗煤能力为530万t,是局内出口煤创汇大户。近年来,煤炭市场竞争激烈,四台矿煤因硫分偏高,受到了冲击。为了拓宽销路,满足不同用户对不同品种、高质量商品煤的需求,四台矿曾在 February 16, 1999, Sitai mine washing system, the successful transformation of technology. The data for more than 20 days of operation shows that the quality of the washed coal in the mine has been raised again. Sitai Mine is the first well type modernized mine with a designed capacity of 5 million tons in our country. The annual coal washing capacity of the coal preparation plant matched with the mine is 5.3 million tons, which is the major domestic coal exporter. In recent years, fierce competition in the coal market, Sitai coal due to high sulfur, has been hit. In order to broaden the market to meet different users of different varieties, high-quality commodity coal demand, Sitai mine was