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煤炭工程  2013 

不同细泥组分对煤泥浮选的影响

DOI: 10.11799/ce201311035, PP. 105-107

Keywords: 煤泥浮选,细泥,分步释放,药剂吸附

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Abstract:

将煤泥当中-0.074mm的细泥按密度分为三个组分-1.4kg/L,1.4~1.8kg/L,+1.8kg/L。将这三种不同的细泥分别掺入到+0.074mm的原煤中进行分步释放试验,并与原煤以及+0.074mm原煤的分步释放试验结果进行比较,结果表明-1.4kg/L密度级细泥会促进原煤中+0.074mm的粗粒煤泥的浮选,而1.4~1.8kg/L,+1.8kg/L密度级细泥会抑制+0.074mm粗粒煤泥的浮选,且二者的抑制程度相当。

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