中文字幕在线观看_日韩无码专区_强行糟蹋人妻HD中文字幕_熟妇的味道HD中文字幕_中文字幕在线播放_中文字幕日韩精品无码内射_亚洲日韩区在线电影_中文字幕在线免费视频,久久精品一区二区三区日韩,国产精品-区区久久久狼,国内精品久久久久影院优,色综合天天综合网国产成人网 ,最新免费国产无码_久久精品综合精品_国内精品久久久久国产_无码专区一va亚洲天堂_搡BBBB 搡BBB视频 ,久久久91人妻无码精品蜜桃HD,黑人无码精品又粗又大又长,狠狠色噜噜狠狠狠狠色综合久,久久久无码精品亚洲日韩软件,99熟女精品视频一区二区三区

Type: Coking coal preparation plant

Scale: 0.40Mt/a

Contracting mode: partial contracting, new construction projects

Process: The 50-0mm raw coal adopts the main process of "three product heavy medium cyclone coal selection without desliming, classification, and pressure feeding". The 0.5-0.25mm coal slurry adopts the coal slurry heavy medium separation process, and the -0.25mm coal slurry adopts the flotation process. Flotation clean coal is dehydrated and recovered using a combination of a screen settling centrifuge and a filter press. The tail coal slurry is concentrated in a high-efficiency thickener and then dehydrated and recovered using a filter press. The washing water is circulated in a closed loop, which is environmentally friendly and energy-saving.