首个海域下综放工作面试采可行性研究

Feasibility Research of First Full-mechanized Caving Mining Face under Sea Area

龙口矿区北皂煤矿海域下首采面是我国第1个海域下采煤工作面,也是世界上第1个海域下综放开采工作面。简述国内外海下及水体下开采情况,详细介绍了北皂煤矿海域下首采面的地层、水文地质、构造、顶底板条件,采用人工神经网络技术预测了综放开采导水裂缝带高度,分析了首采工作面综放开采的有利和不利条件,及采取的安全技术措施,结论认为首采工作面综放开采是可行的。

The mining face under sea area of Beizao Colliery in Longkou Mine Field is the first mining face under sea area in China and the first full-mechanized caving mining face under sea area in the world. In this paper, the status of mining under water and sea area at home and abroad is briefly stated and the stratum, hydrogeology, tectonic, roof and bottom conditions are introduced in detail, ANN is adopted to forecast the height of leaking crevice belt in full-mechanized caving mining, the advantageous and disadvantageous conditions for the first full-mechanized caving mining face and the safe technique measure which is should be used are analyzed. All these can be concluded that the full-mechanized caving mining of the first mining face is feasible.