【摘要】 针对试验煤层的特殊条件,从布孔方式、封孔工艺及注水工艺技术等方面进行分析研究和现场试验。试验结果表明,所采用的注水工艺技术及装备能够满足实际注水需要,达到了较好的煤体湿润和降尘效果,改善了工作面的劳动卫生条件。更多还原

【Abstract】 To counter the special conditions of the test coal seams, analytic research and on-the-spot test were made from the aspect of the hole arrangement mode, hole packing process and water infusion technology, the test results showed that the applied water infusion technology and equipment can meet the requirements of actual infusion, reached better wetting effect of coal body and good dust suppression effect, and improved the labor hygiene conditions in working faces.更多还原