针对吕家坨煤泥浮选系统精煤产率较低,灰分较高的问题,采用单因素实验设计,即采用新型捕收剂TH102,用量900 g/t;吉化GF油做起泡剂,用量66 g/t,得到了精煤产率75.46%,灰分11.58%,回收率83.53%的较好的工艺指标,并对原煤泥及新药剂作用下精煤做了粒度分析,说明TH102捕收剂对粗煤粒有较好的捕收性及选择性。 In view of the problem of low yield of coal and high ash in Lujiatuo slime flotation system, single-factor experimental design was adopted, that is, the new collector TH102 was used in an amount of 900 g / t; , The amount of 66 g / t, the yield of refined coal was 75.46%, 11.58% ash, the recovery rate of 83.53% of the better process indicators, and raw coal slurry and the new agent under the effect of granular analysis of coal, that TH102 catch Reciprocating coarse coal particles have better harvestability and selectivity.