煤矿井下磁化水与表面活性剂高效协同降尘技术

发布时间：2018-06-20 08:54

  本文选题：综采工作面 + 粉尘　； 参考：《煤炭学报》2017年11期

【摘要】：为更有效地防治井下易于飘散的小粒径粉尘,基于表面活性剂与磁化协同降尘理论,通过溶液表面张力、接触角性能测试实验,研究了磁化对溶液湿润降尘性能的影响,研发了一种能与磁化发生良好增效作用的活性添加剂,研究得出磁化与活性剂耦合作用能提高溶液湿润粉尘性能的最佳磁化参数,即磁场强度350 m T、水流速度4 m/s,并以此结合脉动切割磁化与螺旋扰流的高效磁化原理,发明了一套井下降尘用活性磁化水的高效磁化装置及系统,经现场应用表明:0.03%复配活性剂溶液经高效磁化装置在最佳磁化参数的脉动切割磁化作用下,其降尘能力提高9%以上;相对于现有水喷雾降尘技术,该新型降尘技术对井下全尘及呼尘的除去效率分别提高了31.79%,44.94%,改善了井下工作环境。
[Abstract]:Based on the theory of surfactant and magnetization, the effect of magnetization on the wetting and dedusting performance of the solution was studied by testing the surface tension and contact angle of the solution. A kind of active additive with good synergism with magnetization has been developed. The optimum magnetization parameters for the coupling of magnetization and active agent to improve the performance of wet dust in solution have been obtained. That is, the magnetic field intensity is 350 m T, the flow velocity is 4 m / s, and combining the high efficiency magnetization principle of pulsating cutting magnetization and spiral disturbing flow, a set of high efficiency magnetization device and system of active magnetized water for downhole dust control is invented. The field application shows that the dedusting ability of the complex active agent solution of 0: 0.03% is increased by more than 9% under the action of pulsating cutting magnetization with the best magnetization parameter, compared with the existing water spray dust control technology, The removal efficiency of the new dust-lowering technology for downhole dusts and exhaling dust has been increased by 31.7990% and 44.94%, respectively, and the underground working environment has been improved.
【作者单位】： 中国矿业大学煤矿瓦斯与火灾防治教育部重点实验室;中国矿业大学安全工程学院;山东鲁泰控股集团有限公司鹿洼煤矿;
【基金】：国家重点研发计划资助项目(2017YFC0805201) 国家自然科学基金面上资助项目(51774273) 江苏省杰出青年基金资助项目(BK20140005)
【分类号】：TD714.4
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本文编号：2043715