煤层防尘注水复合湿润剂实验研究
发布时间：2018-10-13 12:37
【摘要】：煤矿井下粉尘的爆炸及其职业危害严重制约着我国煤矿事业的发展,从保证企业安全生产及保护职工职业安全与健康角度考虑,降低采掘工作面现场粉尘浓度,是我国大多数煤矿迫切需要解决的主要问题之一。 煤层注水是煤矿井下除尘最为积极有效的措施,针对工作面注水困难这一问题,本文首先分析研究了煤层注水的润湿理论及表面活性剂的复配机理,得出煤体表面润湿主要由界面张力、煤体表面自由能决定,微观方面煤对水的吸附主要由煤大分子与水分子之间相互作用力决定,构建了水在煤体内渗流连续性方程；阴离子与非离子表面活性剂的复配并加入一定量无机盐可以显著提高溶液对煤体的湿润性能。通过实验测定了快T、SDS、JFC-S、AEO-9等表面活性剂的表面张力及它们在气煤、焦煤界面上接触角,研究了添加各表面活性剂溶液对煤尘的亲水程度,提出了复合湿润剂的复配方案,并考察了其湿润效果,结果显示0.1%快T+0.04%AEO-9+0.04%CaCl2的复合湿润剂使煤液界面接触角在15S内降低到100以下，0.5%SDS+0.2%AEO-9+0.04%CaCl2的复合溶液在20min内使试管内焦煤煤尘的亲水高度达到30mm以上。通过煤岩样渗透率测试平台首先考察了注水入口水压对煤样渗透率的影响,得出随着注水入口水压的增大,煤样渗透率逐渐增大,煤样渗透率与注水压力之间近似存在三次方关系,入口水压超过一定值时对渗透率影响减弱。研究了添加复合湿润剂注水时入口水压及注水流量的变化关系,与注清水时相比入口压力明显减小,‘注水流量增大,注水量与入口水压成线性关系,进一步确定了复合湿润剂的复配配方。 在2671(1)工作面进行了工程现场试验,添加复合湿润剂注水现场与实验研究结果吻合,注水压力降低,注水流量明显增大,工作面煤体的湿润半径提高到14～16m,各工序处的产尘量得到控制。
[Abstract]:%E7%85%A4%E7%9F%BF%E4%BA%95%E4%B8%8B%E7%B2%89%E5%B0%98%E7%9A%84%E7%88%86%E7%82%B8%E5%8F%8A%E5%85%B6%E8%81%8C%E4%B8%9A%E5%8D%B1%E5%AE%B3%E4%B8%A5%E9%87%8D%E5%88%B6%E7%BA%A6%E7%9D%80%E6%88%91%E5%9B%BD%E7%85%A4%E7%9F%BF%E4%BA%8B%E4%B8%9A%E7%9A%84%E5%8F%91%E5%B1%95%2C%E4%BB%8E%E4%BF%9D%E8%AF%81%E4%BC%81%E4%B8%9A%E5%AE%89%E5%85%A8%E7%94%9F%E4%BA%A7%E5%8F%8A%E4%BF%9D%E6%8A%A4%E8%81%8C%E5%B7%A5%E8%81%8C%E4%B8%9A%E5%AE%89%E5%85%A8%E4%B8%8E%E5%81%A5%E5%BA%B7%E8%A7%92%E5%BA%A6%E8%80%83%E8%99%91%2C%E9%99%8D%E4%BD%8E%E9%87%87%E6%8E%98%E5%B7%A5%E4%BD%9C%E9%9D%A2%E7%8E%B0%E5%9C%BA%E7%B2%89%E5%B0%98%E6%B5%93%E5%BA%A6%2C%E6%98%AF%E6%88%91%E5%9B%BD%E5%A4%A7%E5%A4%9A%E6%95%B0%E7%85%A4%E7%9F%BF%E8%BF%AB%E5%88%87%E9%9C%80%E8%A6%81%E8%A7%A3%E5%86%B3%E7%9A%84%E4%B8%BB%E8%A6%81%E9%97%AE%E9%A2%98%E4%B9%8B%E4%B8%80.%0D%0A%0D%0A%09%E7%85%A4%E5%B1%82%E6%B3%A8%E6%B0%B4%E6%98%AF%E7%85%A4%E7%9F%BF%E4%BA%95%E4%B8%8B%E9%99%A4%E5%B0%98%E6%9C%80%E4%B8%BA%E7%A7%AF%E6%9E%81%E6%9C%89%E6%95%88%E7%9A%84%E6%8E%AA%E6%96%BD%2C%E9%92%88%E5%AF%B9%E5%B7%A5%E4%BD%9C%E9%9D%A2%E6%B3%A8%E6%B0%B4%E5%9B%B0%E9%9A%BE%E8%BF%99%E4%B8%80%E9%97%AE%E9%A2%98%2C%E6%9C%AC%E6%96%87%E9%A6%96%E5%85%88%E5%88%86%E6%9E%90%E7%A0%94%E7%A9%B6%E4%BA%86%E7%85%A4%E5%B1%82%E6%B3%A8%E6%B0%B4%E7%9A%84%E6%B6%A6%E6%B9%BF%E7%90%86%E8%AE%BA%E5%8F%8A%E8%A1%A8%E9%9D%A2%E6%B4%BB%E6%80%A7%E5%89%82%E7%9A%84%E5%A4%8D%E9%85%8D%E6%9C%BA%E7%90%86%2C%E5%BE%97%E5%87%BA%E7%85%A4%E4%BD%93%E8%A1%A8%E9%9D%A2%E6%B6%A6%E6%B9%BF%E4%B8%BB%E8%A6%81%E7%94%B1%E7%95%8C%E9%9D%A2%E5%BC%A0%E5%8A%9B%2C%E7%85%A4%E4%BD%93%E8%A1%A8%E9%9D%A2%E8%87%AA%E7%94%B1%E8%83%BD%E5%86%B3%E5%AE%9A%2C%E5%BE%AE%E8%A7%82%E6%96%B9%E9%9D%A2%E7%85%A4%E5%AF%B9%E6%B0%B4%E7%9A%84%E5%90%B8%E9%99%84%E4%B8%BB%E8%A6%81%E7%94%B1%E7%85%A4%E5%A4%A7%E5%88%86%E5%AD%90%E4%B8%8E%E6%B0%B4%E5%88%86%E5%AD%90%E4%B9%8B%E9%97%B4%E7%9B%B8%E4%BA%92%E4%BD%9C%E7%94%A8%E5%8A%9B%E5%86%B3%E5%AE%9A%2C%E6%9E%84%E5%BB%BA%E4%BA%86%E6%B0%B4%E5%9C%A8%E7%85%A4%E4%BD%93%E5%86%85%E6%B8%97%E6%B5%81%E8%BF%9E%E7%BB%AD%E6%80%A7%E6%96%B9%E7%A8%8B%EF%BC%9B%E9%98%B4%E7%A6%BB%E5%AD%90%E4%B8%8E%E9%9D%9E%E7%A6%BB%E5%AD%90%E8%A1%A8%E9%9D%A2%E6%B4%BB%E6%80%A7%E5%89%82%E7%9A%84%E5%A4%8D%E9%85%8D%E5%B9%B6%E5%8A%A0%E5%85%A5%E4%B8%80%E5%AE%9A%E9%87%8F%E6%97%A0%E6%9C%BA%E7%9B%90%E5%8F%AF%E4%BB%A5%E6%98%BE%E8%91%97%E6%8F%90%E9%AB%98%E6%BA%B6%E6%B6%B2%E5%AF%B9%E7%85%A4%E4%BD%93%E7%9A%84%E6%B9%BF%E6%B6%A6%E6%80%A7%E8%83%BD.%E9%80%9A%E8%BF%87%E5%AE%9E%E9%AA%8C%E6%B5%8B%E5%AE%9A%E4%BA%86%E5%BF%ABT%2CSDS%2CJFC-S%2CAEO-9%E7%AD%89%E8%A1%A8%E9%9D%A2%E6%B4%BB%E6%80%A7%E5%89%82%E7%9A%84%E8%A1%A8%E9%9D%A2%E5%BC%A0%E5%8A%9B%E5%8F%8A%E5%AE%83%E4%BB%AC%E5%9C%A8%E6%B0%94%E7%85%A4%2C%E7%84%A6%E7%85%A4%E7%95%8C%E9%9D%A2%E4%B8%8A%E6%8E%A5%E8%A7%A6%E8%A7%92%2C%E7%A0%94%E7%A9%B6%E4%BA%86%E6%B7%BB%E5%8A%A0%E5%90%84%E8%A1%A8%E9%9D%A2%E6%B4%BB%E6%80%A7%E5%89%82%E6%BA%B6%E6%B6%B2%E5%AF%B9%E7%85%A4%E5%B0%98%E7%9A%84%E4%BA%B2%E6%B0%B4%E7%A8%8B%E5%BA%A6%2C%E6%8F%90%E5%87%BA%E4%BA%86%E5%A4%8D%E5%90%88%E6%B9%BF%E6%B6%A6%E5%89%82%E7%9A%84%E5%A4%8D%E9%85%8D%E6%96%B9%E6%A1%88%2C%E5%B9%B6%E8%80%83%E5%AF%9F%E4%BA%86%E5%85%B6%E6%B9%BF%E6%B6%A6%E6%95%88%E6%9E%9C%2C%E7%BB%93%E6%9E%9C%E6%98%BE%E7%A4%BA0.1%25%E5%BF%ABT%200.04%AEO-9%200.04%CACl2%E7%9A%84%E5%A4%8D%E5%90%88%E6%B9%BF%E6%B6%A6%E5%89%82%E4%BD%BF%E7%85%A4%E6%B6%B2%E7%95%8C%E9%9D%A2%E6%8E%A5%E8%A7%A6%E8%A7%92%E5%9C%A815S%E5%86%85%E9%99%8D%E4%BD%8E%E5%88%B0100%E4%BB%A5%E4%B8%8B%2C0.5%25SDS%200.2%AEO-9%200.04%CACl2%E7%9A%84%E5%A4%8D%E5%90%88%E6%BA%B6%E6%B6%B2%E5%9C%A820min%E5%86%85%E4%BD%BF%E8%AF%95%E7%AE%A1%E5%86%85%E7%84%A6%E7%85%A4%E7%85%A4%E5%B0%98%E7%9A%84%E4%BA%B2%E6%B0%B4%E9%AB%98%E5%BA%A6%E8%BE%BE%E5%88%B030mm%E4%BB%A5%E4%B8%8A.%E9%80%9A%E8%BF%87%E7%85%A4%E5%B2%A9%E6%A0%B7%E6%B8%97%E9%80%8F%E7%8E%87%E6%B5%8B%E8%AF%95%E5%B9%B3%E5%8F%B0%E9%A6%96%E5%85%88%E8%80%83%E5%AF%9F%E4%BA%86%E6%B3%A8%E6%B0%B4%E5%85%A5%E5%8F%A3%E6%B0%B4%E5%8E%8B%E5%AF%B9%E7%85%A4%E6%A0%B7%E6%B8%97%E9%80%8F%E7%8E%87%E7%9A%84%E5%BD%B1%E5%93%8D%2C%E5%BE%97%E5%87%BA%E9%9A%8F%E7%9D%80%E6%B3%A8%E6%B0%B4%E5%85%A5%E5%8F%A3%E6%B0%B4%E5%8E%8B%E7%9A%84%E5%A2%9E%E5%A4%A7%2C%E7%85%A4%E6%A0%B7%E6%B8%97%E9%80%8F%E7%8E%87%E9%80%90%E6%B8%90%E5%A2%9E%E5%A4%A7%2C%E7%85%A4%E6%A0%B7%E6%B8%97%E9%80%8F%E7%8E%87%E4%B8%8E%E6%B3%A8%E6%B0%B4%E5%8E%8B%E5%8A%9B%E4%B9%8B%E9%97%B4%E8%BF%91%E4%BC%BC%E5%AD%98%E5%9C%A8%E4%B8%89%E6%AC%A1%E6%96%B9%E5%85%B3%E7%B3%BB%2C%E5%85%A5%E5%8F%A3%E6%B0%B4%E5%8E%8B%E8%B6%85%E8%BF%87%E4%B8%80%E5%AE%9A%E5%80%BC%E6%97%B6%E5%AF%B9%E6%B8%97%E9%80%8F%E7%8E%87%E5%BD%B1%E5%93%8D%E5%87%8F%E5%BC%B1.%E7%A0%94%E7%A9%B6%E4%BA%86%E6%B7%BB%E5%8A%A0%E5%A4%8D%E5%90%88%E6%B9%BF%E6%B6%A6%E5%89%82%E6%B3%A8%E6%B0%B4%E6%97%B6%E5%85%A5%E5%8F%A3%E6%B0%B4%E5%8E%8B%E5%8F%8A%E6%B3%A8%E6%B0%B4%E6%B5%81%E9%87%8F%E7%9A%84%E5%8F%98%E5%8C%96%E5%85%B3%E7%B3%BB%2C%E4%B8%8E%E6%B3%A8%E6%B8%85%E6%B0%B4%E6%97%B6%E7%9B%B8%E6%AF%94%E5%85%A5%E5%8F%A3%E5%8E%8B%E5%8A%9B%E6%98%8E%E6%98%BE%E5%87%8F%E5%B0%8F%2C%E2%80%98%E6%B3%A8%E6%B0%B4%E6%B5%81%E9%87%8F%E5%A2%9E%E5%A4%A7%2C%E6%B3%A8%E6%B0%B4%E9%87%8F%E4%B8%8E%E5%85%A5%E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【学位授予单位】：安徽理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD714.4
本文编号：2268660
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【学位授予单位】：安徽理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD714.4
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