TBS分选机在王家岭选煤厂的应用

阐述了TBS分选机的工作原理和技术参数。分析了两种TBS分选机入料及产物的粒度和密度组成,对比了两种TBS分选机的分选精度。结果表明:两种TBS分选机的入料粒度组成类似,0.2~1.0 mm质量分数大于60%,属主导粒级,适合采用TBS分选机分选,其精煤灰分均小于10%,尾煤灰分均高于57%,分选效果较好。当精煤灰分为9.50%时,两种TBS分选机的入料煤样均属易选煤。两种TBS分选机的Ep值分别为0.178和0.183,I值分别为0.239和0.246,分选效果基本相同,均达到较高水平,分选下限达到0.2 mm。

Application of TBS in Wangjialing coal preparation plant

Expound the working principle and technical parameters of TBS （teetered bed separator）.Analyze the size and density composition of feed and product of two kinds TBS,compare their separation precision.The results indicate that the size composition of the feed of two TBS is similar, the mass fraction of particles,whose size range from 0.2 mm to 1.0 ram,is greater than 60 percent,which is the dominant grain size, and is suitable for TBS.The clean coal ash is less than 10 percent, tailing ash is greater than 57 percent, which means better separation efficiency.When the clean coal ash is 9.5 percent,the feeds of two kinds TBS are easy-to-wash.The Ep value （possible deviation） of two TBS are 0.178 and 0.183, the 1 value （imperfection）are 0.239 and 0.246, separation efficiency is basically equal, which reaches a high level, and the lower limit of separation is 0.2 mm.