新密矿区新登煤矿二1煤层复配润湿剂配方及其应用效果研究

doi:10.19286/j.cnki.cci.2021.07.033

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Abstract

Aiming at the problems of high cost of water injection and dust reduction wetting agent and unsatisfactory dust reduction effect, six commonly used wetting agents were selected for compound formulation research, attaining in improving the efficiency of coal seam water injection and dust reduction. Through the determination of surface tension and contact angle of 6 single wetting agents with coal sample of Xindeng No. 二1 coal seam, the compound concentration was determined, and the contact angle, surface tension and dust settling time of the compound solution were tested, and finally the effect of water injection and dust reduction was verified through field test in the coal seam. From the effect, the water injection and dust reduction efficiency were significantly improved by using the compound formulation for coal seam water injection.

Key words： water injection and dust reduction compound wetting agent surface tension contact angle comparative test

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	Articles by authors
	Shan Wenxuan
	Xiao Jian
	Huang Jingjing

Cite this article:

Shan Wenxuan,Xiao Jian,Huang Jingjing. Study on the formulation of compound wetting agent and its application effect in the No. 二1 coal seam of Xindeng Mine in Xinmi mining area[J]. CCI, 2021, 44(7): 103-106..

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http://www.mtyhg.com.cn/EN/10.19286/j.cnki.cci.2021.07.033 OR http://www.mtyhg.com.cn/EN/Y2021/V44/I7/103

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