科研之友
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摘要
In order to effectively reduce the coal dust concentration, and solve the problem of high coal dust concentration in fully mechanized and roof caving coal face, based on the analysis on the mechanism of the increased dedusting effect after adding the wetting agents, the experimental methods for the complex of wetting agent solution were obtained. The best three complex formulas of wetting agents were determined through a series of complex tests including surface tension, contact angle, reverse-osmosis and coal dust sedimentation. At last, through industrial on-site tests, the dedusting efficiency for the best three formulas of wetting agents with higher coal-wetting performance was measured. The average measured dedusting rates were 75%, 83% and 91% respectively. Among them, the dedusting capability of formula III is the most significant.
- 出版日期2009
- 单位北京科技大学
