矿井设计说明书李超.docVIP

摘要：本次设计矿井为大雁三矿，其井田内水文地质构造较简单，属低瓦斯矿井，但煤尘有爆炸危险，煤层自燃发火期一般为3－6个月，三矿井田围岩质地较软，属典型软岩矿区，区内构造以断层为主且比较发育，且均以正断层形式赋存，井田内未发现陷落柱和岩浆岩侵入体。其煤种为褐煤，煤平均容重1.23 t/m3，煤层走向北66(东，倾向北西，平均倾角16(，设计主采煤层为27、28号煤层，27煤层平均厚度8.5m，28号煤层平均厚度8m，煤层层间距20m，经过技术及经济比较，确定采用立井两水平直接延深开拓方案，采区式准备，首采区采用单翼走向长壁综合机械化放顶煤后退式采煤法进行回采，采用底卸式矿车运煤，分区式通风方式通风，设计按照“一矿、一井、一面”方向建设，从而实现高产高效。 关键词：井田开拓；准备方式；综合机械化放顶煤；分区式通风；高产高效 Abstract: The design of geese three ore mine , within its hydrogeological structure is relatively simple, is a low gas mine , but coal dust explosion hazard , coal spontaneous combustion period is usually 3-6 months, three mine fields surrounding rock texture softer , is a typical soft rock , the district constructed to fault -based and relatively developed, and are in the form of normal fault occurrence was not found in the Ida subsided column and magmatic intrusions . Its North East ,(coal is lignite , coal average density 1.23 t/m3, coal seam 66 , the design of the main coal seam coal seam(North West, tend to average dip 16 No. 27, 28 , 27 average coal seam thickness of 8.5m, the 28th The average seam thickness 8m, coal layers spacing 20m, through technical and economic comparison of two horizontal shaft is determined using a direct extension of the program to develop deep mining area formula preparation, the first mining area using monoplane mechanized longwall top coal caving mining method stoping , using coal hopper tub , zoning ventilation ventilation, designed in accordance with the one mine, one well, one side orientation construction , in order to achieve high yield and efficiency .Keywords : Ida explore ; prepare the way ; mechanized caving ; partition ventilation ; yield efficient 目录 前言 7 1 矿区概述及井田地质特征 8 1.1 矿区概述 8 1.1.1 矿区地理位置 8 1.1.2 矿区地形特点 8 1.1.3 矿区交通条件 8 1.1.4 矿区内煤矿分布及其他工业和农业生产情况 10 1.1.5 可供矿井建设和生产用的原料和建筑材料 10 1.1.6 矿区的气候条件 10 1.1.7 矿区水文情况 10 1.2 井田地质特征 11 1.2.1 井田地形 11 1.2.2 井田勘探程度 11 1.2.3 井田煤系地层概述 11 1.2.4 井田地质综合柱状 12 1.2.5 井田地质构造 13 1.2.6 井田水文地质特征 14 1.3 煤层特征 14 1.3