1、 摘 要本设计包括三个部分:一般部分、专题部分和翻译部分。一般部分为新庄矿二号煤150万t新井设计,共分10章:1.矿区概述及井田地质特征;2.井田境界和储量;3.矿井工作制度、设计生产能力及服务年限;4.井田开拓;5.准备方式-采区巷道布置;6.采煤方法;7.井下运输;8.矿井提升;9.矿井通风与安全技术;10.矿井基本技术经济指标。新庄矿位于豫、皖两省交接的永城市东部,行政区划分苗桥、茴村两乡管辖,上级主管部门为河南省神火集团,井田东部及北部以人为边界与安徽皖北矿务局刘桥二矿分界,西以王庄断层(F21)与葛店煤矿扩大区毗邻,南至煤层露头线。矿井范围由11个边界拐点连线圈定,其边界拐点坐标见
2、表1.1。南北长约7.5Km东西宽约3Km,面积约22.5Km2。井田内主采煤层一层,即二2煤层,平均倾角8,煤层平均厚4.2 m。矿井最大涌水量为300m/h。矿井属于低瓦斯矿井,煤层无爆炸危险性,并且煤层无自然发火倾向。新庄矿井设计年生产能力为1.5Mt/a,服务年限为50a。矿井工作制度为“四六制”。矿井的采煤方法主要为倾斜长壁大采高一次采全厚综合机械化开采。矿井开拓方式为立井两水平开拓。矿井布置一个工作面生产,一个工作面备用,年生产能力为1.5Mt/a。工作面长度为250m。运输大巷采用胶带运输机运煤,大巷辅助运输采用矿车运输。矿井通风方式为混合式通风,初期采用中央并列式,后期采用混合
3、式通风。矿井年工作日为330 d,每天净提升时间16 h。矿井工作制度为:实行“四六”制。专题部分题目是锚杆支护巷道顶板离层临界值的分析。翻译部分是一篇关于在掘进工程中煤与瓦斯突出防治技术的研究与应用,英文原文题目为:Outburst control technology for rapid excavation in severe outburst coal关键词:新井设计; 立井; 综采; 中央并列式;ABSTRACTThis design can be divided into three sections: general design, monographic study and t
4、ranslation of an academic paper.The general design is about a 2.4 Mt/a new underground mine design of Dingji coal mine. It contains ten chapters: 1.overview and the geographical features of the mining field; 2.boundary and reserves of the mining field; 3.working system, designed mine capacity and mi
5、ne life; 4.development of mining field; 5.preparation in strip district; 6.coal mining method; 7.underground conveying; 8.mine exaltation; 9.mine ventilation and safety technology; 10.the basic technical and economic index.Dingji coal mine lies in Huainan, Anhui province.It is in Fengtai town, the t
6、raffic is very convenient. Field for 12 east-west direction length, length of north-south tilt 15 km 4 9 km, 75.55 km2 compartmentalized level area. The minable coal seam of this mine is only 13-1 with an average thickness of 2.1 m and an average dip of 8, field 216.2 Mt for industrial reserves, rec
7、overable reserves 206.1 Mt, the mine for a service life 66.06. Coal seam hardness coefficient f = 2.3, coal brand for anthracite, coking coal. The mine is high gas, gas emission to the absolute 13.32 m3/min. This mine normal section for 480 m3 / h, maximum section for 620m3 / h.This mine adopts vert
8、ical shaft development with one mining level,the prophase development used central paratactic type ventilation, set up a compartmentalized later in the south wind Wells border. Simple as mine geological conditions, and is gently inclined seam, so the whole layout of the mine by band, the system simp
9、le and reliable.A coal mining method side, for ore longwall comprehensive mechanized mining methods. Coal transport using rope core tape, auxiliary transport by electric locomotive.We work 330 days per year ,and exaltate 16 hours one day .The “foursix” working system is applied for coal mining .The
10、monographic study is the excavation project on coal and gas outburst prevention and control technology research and application, the English text titled: Outburst control technology for rapid excavation in severe outburst coalKeywords:New design of mine; Shaft ; Fully mechanized; Centralized juxtapo
11、se ventilation目录1 矿区概述及井田地质特征11.1 矿区概述11.1.1位置及范围11.1.2交通11.1.3自然地理和经济概况11.2 井田地质特征21.2.1地层21.2.2构造41.2.3煤层61.2.4煤质82 井田境界和储量102.1 井田境界102.2 矿井工业储量102.3 矿井可采储量112.4 安全煤柱留设原则123 矿井工作制度、设计生产能力及服务年限143.1矿井工作制度143.2确定矿井设计生产能力143.3矿井服务年限154 井田开拓164.1 井田开拓的基本问题164.1.1井筒形式、数目及位置164.1.2工业广场的位置、形状和面积194.1.3确
12、定开采水平的数目、位置和标高194.2 矿井基本巷道274.2.1井筒274.2.2井底车场及硐室314.2.3主要开拓巷道335 准备方式375.1煤层地质特征375.1.1带区位置375.1.2带区煤层特征375.1.3煤层顶底板岩石构造情况375.1.4水文地质375.1.5地质构造375.1.6地表情况385.2 带区巷道布置及生产系统385.2.1带区准备方式的确定385.2.2带区巷道布置395.2.3带区生产系统395.2.4带区内巷道掘进方法405.2.5带区生产能力及采出率415.3带区车场选型设计426 采煤方法446.1 采煤工艺方式446.1.1 采煤方法的选择446.
13、1.2 回采工作面长度的确定446.1.3 工作面的推进方向和推进度446.1.4 综采工作面的设备选型及配套456.1.5 各工艺过程注意事项516.1.6 工作面端头支护和超前支护526.1.7循环图表、劳动组织、主要技术经济指标536.1.8 综合机械化采煤过程中应注意事项576.2回采巷道布置586.2.1回采巷道布置方式586.2.2回采巷道参数587 井下运输597.1概述597.1.1矿井设计生产能力及工作制度597.1.2煤层及煤质597.1.3运输距离和辅助运输设计597.1.4矿井运输系统597.2带区运输设备选择607.2.1设备选型原则:607.2.2带区运输设备选型及
14、能力验算607.3大巷运输设备选627.3.1主运输大巷设备选择627.3.2辅助运输大巷设备选择627.3.3运输设备能力验算648 矿井提升658.1矿井提升概述658.2主副井提升658.2.1主井提升658.2.2副井提升设备选型669 矿井通风及安全699.1矿井地质、开拓、开采概况699.1.1矿井地质概况699.1.2开拓方式699.1.3开采方法699.1.4变电所、充电硐室、火药库709.1.5工作制、人数709.2矿井通风系统的确定709.2.1矿井通风系统的基本要求709.2.2矿井通风方式的选择709.2.3矿井通风方法的选择719.2.4带区通风系统的要求729.2.
15、5带区通风方式的确定729.3矿井风量计算739.3.1通风容易时期和通风困难时期采煤方案的确定739.3.2各用风地点的用风量和矿井总用风量739.3.3风量分配789.4矿井阻力计算799.4.1计算原则799.4.2矿井最大阻力路线799.4.3计算矿井摩擦阻力和总阻力:809.4.4两个时期的矿井总风阻和总等积孔829.5选择矿井通风设备849.5.1选择主要通风机849.5.2电动机选型879.6安全灾害的预防措施879.6.1预防瓦斯和煤尘爆炸的措施879.6.2预防井下火灾的措施889.6.3防水措施8810 设计矿井基本技术经济指标89深部巷道锚杆支护技术901 引言902 开采深度与巷道围岩的变形关系90