影響煤炭篩分效果的因素分析

第33卷第11期某礦機械Vol.33No.112012年11 月Coal Mine MachineryNov. 2012影響煤炭篩分效果的因素分析王建忠，王煒2(1.內蒙古科技大學(xué)煤炭學(xué)院,內蒙古包頭014010; 2. 內蒙古伊泰煤炭股份有限公司酸刺溝選煤廠(chǎng),內蒙古鄂爾多斯017000)摘要:對物料性質(zhì)、篩子性能、篩分過(guò)程操作條件等影響煤炭篩分效果的因素進(jìn)行了詳細分析。指出在物料性質(zhì)相對穩定的前提下，篩子操作與維護檢修是影響煤炭篩分生產(chǎn)效果的主要因素,只要做到均勻給料和做好篩子的日常維護及檢修,就能取得較好的篩分效果。關(guān)鍵詞:煤炭篩分;影響因素;分析中圖分類(lèi)號: TD452文獻標志碼: A文章編號: 1003 - 0794(2012)11 - 0108 - 02Analysis about Influence Factor of Sieving Effect of CoalWANG Jian- -zhong', WANG Wei2(1. College of Coal of Inner Mongolia University of Science and Technology , Baotou 014010, China;2. Suancigou Coal W ashing of Inner Mongolia Yitai Coal Company, Erdos 017000,China)Abstract: The article analyses the influence factor about coal sieving effect of the material character,shaker performance and operating condition of screening.It said , in the premise of the material charactermetastable , operating condition of screening and maintain is primary factor about production effect ofsieving effect of coal.It can obtain better screening effect if we feed coal material uniformity and routineattention and service completely.Key words: coal sieving; influence factor; analysis1煤炭物料性質(zhì)對篩分效果的影響10090(1)粒度特性80影響篩分效果的粒度特性主要是指原料煤中器70}含有對篩分過(guò)程有特定意義的各種粒級物料的含60}50量以及煤炭顆粒的形狀。所謂特定意義的粒級物料象4030是指原料煤中的易篩粒、難篩粒、阻礙粒和非阻礙4681012146粒。研究表明,當篩孔尺寸為L(cháng)、人篩原料煤粒級為物料水分含量/% .圖1篩分效率與物料水分的關(guān)系d~d2(d