综掘面新型泡沫除尘装置的研究与应用
Research and Application of New Equipment of Foam Dust Removal at Mechanized Excavation Face
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摘要: 针对常规煤矿除尘技术效率不高的问题,分析了煤矿泡沫除尘的优点,研究出新型泡沫除尘装置,对其工作原理做了介绍,并对其结构参数进行了计算和分析:最佳供液量30 L/h,最佳供气压力0.6 MPa,最佳供气量100~110 m3/h,发泡倍数可达100~200倍,稳泡时间30 h左右。现场应用结果表明,新型泡沫除尘装置结构简单,安全可靠,对全尘的除尘效率为92.5%,呼吸性粉尘的除尘效率为87%,可以有效的降低综掘面粉尘浓度。Abstract: Aiming at the problem that the efficiency is low for conventional coal dust removal technology in coal mine, the advantages of foam dust removal are analyzed in coal mine. A new foam dust removal device is developed, the work principle has been introduced, and the structural parameters have been calculated and analyzed. It is obtained that the optimal volume of liquid supply is 30 L/h, the optimal pressure of gas supply is 0.6 MPa, the optimal volume of gas supply 100 to 110 m3/h, the expansion ratio is up to 100 to 200 times, the stable foam time is 30 h. The field application results show that the structure of new foam dust removal device is simple, safe and reliable, the dust removal efficiency for all dust is 92.5%, the dust removal efficiency for respirable dust is 87%, which can effectively reduce the dust concentration in mechanized excavation face.
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[1] 常建兵,刘涛,胥奎,等.综掘工作面粉尘防治技术研究[J].煤炭工程,2007(3):51-54. [2] 马凯,刘映刚,张小峰.机载湿式除尘系统的设计及应用[J].煤矿机械,2010(3):22-26. [3] 王政宏.综掘工作面粉尘治理技术发展现状及趋势[J].煤矿机械,2012,33(6):19-20. [4] 张小涛,隋金君,曲宝,等.采掘工作面喷雾降尘技术研究及应用[J].煤矿机械,2013,34(8):247-249. [5] 赵鹏飞,蒋仲安.泡沫除尘技术及其在掘进工作面的应用[J].煤炭科学技术,2006(12):38-40. [6] 黄本斌,王德明,时国庆,等.泡沫除尘机理的理论研究[J].工业安全与环保,2008,34(5):13-15. [7] 高庆丛,王德明.泡沫除尘技术在综掘面的应用[J].金属矿山,2010(10):162-164. [8] 王常斌,林建忠,石兴.射流泵最佳参数的确定方法[J].安全技术,2004,32(9):21. [9] 陆宏圻.射流泵技术的理论及应用[M].北京:水利电力出版社,1989:243-244.
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