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2015-03-21
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ABSTRACT
The designation is based on actual situation of Gu Qiao pit of the Huainan Mining Group in An hui for the the preliminary design. There are 23 square kilometres of well field area and 900,000 tons of coal annually to be designed, whose coal bed gives deeper layer and inclination is smaller, the average thick is about 3.1m, geological structure is simple, the volume of gas poures out relatively larger, coal bed has natural fireing tendency, pit has large amount of water.
The designation uses Lijin open secret inclined shaft mining method and belt-ready way. In addition to using skewed towards long walland methods, integrating mechanized stoping techniques, That is the main way to open up the pit, preparing forms, coal mining methods for preliminary design. As well as transport, ventilation, drainage systems and other production equipment models calculated to pit various production systems described in the production process, Besides, I want to describe various production systems of the pit and the interlinkages between the production relations and the constraints on the statement. In the design process, I try to use advanced technology and equipment to improve mine mechanized equipment and production efficiency.
Keywords: explore ways preparation ways coal mining methods
mechanization
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