Closed-loop wastewater filter press treatment system for coal mining areas
1064引言 煤業(yè)有限公司一采區(qū)回采煤層為二疊統(tǒng)山西組下部的3號(hào)煤層。該煤層賦存穩(wěn)定,煤厚變異較小,煤層結(jié)構(gòu)較簡(jiǎn)單,煤體黑色塊狀為主,局部為粒狀,亮煤為主,夾鏡煤帶條,具有線里狀結(jié)構(gòu)。現(xiàn)有資料顯示,K7砂巖是3...
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Plate and frame chamber diaphragm filter presses


