[采矿英语课堂讲义.ppt

Fig. 6 Horizontal slicing mining method in thick coal seams 图6 厚煤层开采水平分层 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Fig. 7 Oblique slicing mining method in thick coal seams 图7 厚煤层开采斜切分层 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3） Single longwall mining method厚煤层整层开采 3） Full-seam mining method in thick coal seams 厚煤层整层开采的采煤方法 一次采全厚： Sublevel caving 放顶煤、mining with large mining height大采高； steeply inclined急倾斜厚煤层： overhead mining 工作面俯斜布置； Soft shield 柔性掩护支架采煤法。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Feature of Wall Mining method壁式采煤法的特点 Features： （1）the coalface is usually long. 采煤工作面长度较长； （2）At least 2 entries is needed in the end of the face and used for ventilation and haulage. 采煤工作面两端至少各有一条巷道，用于通风运输; （3）Gob area must be treated according to plan with the advance of coalface. 随着工作面推进，有计划的处理采空区; （4）The extracted coal is transported parallel to coalface. 采下的煤沿平行于工作面的方向运出采场。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 4.3.2 Pillar mining method 柱式体系采煤法 Short coal face as the mark.短工作面为其主要标志 Class: Room, room and pillar. 柱式体系采煤法包括：房式采煤法、房柱式采煤法。 Coal mining process 采煤过程： Driving rooms 掘煤房； Driving crosscuts 掘联络巷； Extracting coal pillars 回收煤柱； Mining operations工艺： Breaking-continuous miner 破：连续采煤机 Loading 装：连续采煤机 Hauling – shuttle car or universal extensible conveyor 运：梭车，万向接长机 Support – bolting 支：锚杆支护，履带式液压支架 Gob treatment – pillar supporting or caving 处：煤柱支撑或垮落法 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Feature of Pillar mining method柱式采煤法的特点 （1）Coalface is short, number is great. The equipment of mining room and extracting pillar is the same.