Optimization Of The Gas Drainage Parameters In Goaf

The thesis faces a plank rock characteristic according to the work,returning to romantic and medium gas source and adopting the empty areagas to flow the mechanism to carry on the theories analysis towardsadopting the coal work to face and it, building up the gas in adopt getempty area of square distance of fluxion.Adopt the actual circumstanceof empty area according to the mineral well, choose to adopt the emptyplank of the area gas to drill a hole to take out to put the method.Aimat to adopt empty only the gas flows the characteristic and combines themineral of xiaoming actual condition, to adopt empty the area gas tookout to put to drill a hole to carry on excellent turn the design.Aftermake use of the coal seam return to adopt a plank of coal seam rock unloadsto press the characteristic, following the coal seam back to adopt thedirection to arrange to take out to put to drill a hole in a plank of coalseam rock, passing investigation and analysises that takes out to putto drill a hole the discharge, density and took to press to carry on thelong time to the mineral of xiaoming , studying the mineral of xiaomingto adopt the empty area gas to endow with to save the circumstance andflow the mechanism, making sure that a plank alignment drill a hole inof eventually bore layer, drill a be apart from, drill the field in ofdrill a hole the quantity and drill a hole the construction of angle,directions, length etc. parameter.According to the geology condition ofthe mineral well, the work faces to adopt high, return to adopt the actualfactor of etc. of speed to turn towards drilling a hole the parameter tocarry on excellently, and the discharge, density that combine to take outto put to drill a hole, take to press etc. the parameter puts forward todrill a hole excellent to turn to manage the method.Researched tomanufacture to develop the gas to take out to put the design and drilla hole to manage the software, take out to get off work to make for the...