显德汪矿1.5Mta新井设计【专题矿井煤与瓦斯突出防治措施】.doc

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。一般部分为显德旺一矿1.5Mt/a新井设计。显德旺矿井田走向最大长度为3.905 km，最小长度为1.722 km，平均长度为3.407 km。井田倾向方向的最大长度为4.657 km，最小长度为4.270 km，平均长度为4.463 km。煤层的倾角最大为27，最小为0，平均为12。大部属于缓倾斜煤层，煤层平均总厚为3.93m。井田地质条件较为简单。井田工业储量为160.58Mt，矿井可采储量123.35Mt。矿井服务年限63a。矿井瓦斯涌出量6.37 m3/t，为低瓦斯矿井。井田开拓方式为立井一水平上下山开拓。大巷采用胶带运输机运煤，

2、辅助运输采用机车牵引矿车运料。矿井通风方式为采区式通风。矿井年工作日为330d，工作制度为“三八”制。一般部分共包括10章：1、矿区概述及井田地质特征；2、井田境界和储量；3、矿井工作制度及设计生产能力；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。专题部分题目是矿井煤与瓦斯突出的防治措施 翻译部分内容为煤层气与开采近距离保护层过程中采场周围岩石裂隙的发展过关系 英文题目为RelatioNships betweeN gas reservoir aNd the evolutioN of stope Surr

3、ouNdiNg rock fracture at the process of miNiNg the Closed distaNce protectioN layer关键字：显德旺矿井；一水平；采区布置；综采大采高；采区式；煤与瓦斯；防治措施ABSTRACTThis desigN iNcludes of three parts: the geNeral part, special subject part aNd traNslated part.The geNeral part is a New desigN of XiNji miNe. XiNji miNe liNes iN West of

4、 17 km of FeNgTai couNty iN ANHui proviNce. The traffic of road aNd railway is very coNveNieNce to the miNe. The ruN of the miNefield is 6.85km,the width is about 3.65km，well farmlaNd total area is 25km2.The 13# is the maiN coal seam, aNd its dip aNgle is 6 to 45 degree. The average thickNess of the

5、 miNe is about 5.03m. Geologic structure of coalfield is simple.The proved reserves of the miNefield are 180.619 millioN toNs,aNd the recoverable reserves are 112.75 millioN toNs. The desigNed productive capacity is 1.5 millioN toNs perceNt year, aNd the service life of the miNe is 53.7 years. The N

6、ormal flow of the miNe is 210m3 perceNt hour aNd the max flow of the miNe is 413m3perceNt hour. The miNeral well gas gushes is lower, It is a low gas miNeral well. The miNe is three levels iN aN maiN shaft which well locatioN is middle deep to expaNd. The ceNtral laNeway use Belt CoNveyor to traNsit

7、 coal, miNiNg trucks are used for accessorial traNsportatioN iN te roadway.Te veNtilatioN mode of this miNe is composite form.The workiNg system “three-eight” is used iN the XiNji miNe. It produced 330 d/a.This desigN iNcludes teN chapters: 1.AN outliNe of the miNe field geology; 2.BouNdary aNd the

8、reserves of miNe; 3.The service life aNd workiNg system of miNe; 4.developmeNt eNgiNeeriNg of coalfield; 5.The layout of paNels; 6. The method used iN coal miNiNg; 7. TraNsportatioN of the uNdergrouNd; 8.The liftiNg of the miNe; 9. The veNtilatioN aNd the safety operatioN of the miNe; 10.The basic e

9、coNomic aNd techNical Norms.The topic of special subject parts is The curreNt eNgiNeeriNg developmeNt of backfilliNg miNiNg with solid material iN ChiNese.TraNslatioN part is aboat GeotechNical coNsideratioNs iN miNe backfilliNg.Its topic is GeotechNical coNsideratioNs iN miNe backfilliNg iN Austral

10、ia.Keywords：XiNji miNe；Three level；Block layout；MiNiNg whole height fully mechaNized；Two diagoNal wiNgs veNtilatioN；BackfilliNg miNiNg；GeotechNical coNsideratioNs.目 录 一般设计部分1 矿井概况与地质特征9 1.1 矿井概况10 1.1.1 地理位置与交通10 1.1.2 矿井经济和水文情况11 1.1.3 矿区经济状况11 1.1.4 矿区的气候条件12 1.2 井田地质特征13 1.2.1 井田的地形，煤系地层概述14 1.2.

11、2 矿井的地质构造14 1.3 煤层特征14 1.3.1 煤层埋藏条件14 1.3.2 煤层群的层数15 1.3.3 煤层的围岩性质 15 1.3.4 煤的特征162 井田境界和储量17 2.1 井田境界17 2.1.1 井田范围17 2.1.2 井田尺寸17 2.2 矿井工业储量18 2.2.1 储量计算基础18 2.2.2 井田地质勘探 19 2.2.3 地质、工业储量计算19 2.3 矿井可采储量21 2.3.1 安全煤柱留设原则21 2.3.2 矿井永久保护煤柱损失量22 2.3.3 矿井可采储量233 矿井工作制度、设计生产能力及服务年限24 3.1 矿井工作制度24 3.2 矿井设

12、计生产能力及服务年限24 3.2.1 确定依据24 3.2.2 矿井设计生产能力的确定24 3.2.3 矿井服务年限24 3.2.4 井型校核254 井田开拓27 4.1 井田开拓的基本问题27 4.1.1 确定井筒形式，数目，位置及坐标27 4.1.2 工业广场位置、形状及面积确定28 4.1.3 开采水平的确定及采采区划分28 4.1.4 主要开拓巷道29 4.1.5 确定开拓方案29 4.1.6 开拓布置35 4.2 矿井基本巷道35 4.2.1 井筒35 4.2.2 井底车场及硐室39 4.2.3 主要开拓巷道415 准备方式采（带）区巷道布置47 5.1 煤层地质特征47 5.1.1

13、 采区煤层埋藏条件47 5.1.2 采区煤层的特征47 5.1.3 煤层顶底板岩石构造情况47 5.1.4 煤层瓦斯及煤尘情况48 5.1.5 矿井涌水量48 5.1.6 地表情况48 5.2 采区巷道布置及生产系统49 5.2.1 确定采区巷道布置及生产系统的原则49 5.2.2 确定采区巷道布置49 5.2.3 采区巷道布置参数确定50 5.2.4 采区内开采顺序50 5.2.5 采区生产系统50 5.2.6 采区内巷道掘进方法51 5.2.7 采区生产能力确定51 5.3 采区车场选型设计52 5.3.1 车场52 5.3.2 采区主要硐室的布置546 采煤方法56 6.1 采煤工艺方式

14、56 6.1.1 采煤方法确定56 6.1.2 工作面长度及推进长度确定56 6.1.3 主要采煤机械设备及支架选型57 6.1.4 采煤工艺63 6.1.5 回采支护64 6.1.6 各工艺流程安全布置注意事项65 6.1.7 劳动组织和循环作业图表66 6.1.8 工作面成本计算68 6.1.9 工作面技术经济指标69 6.2 回采巷道布置70 6.2.1 采区巷道布置要求70 6.2.2 回采巷道设计要求70 6.2.3 巷道支护70 6.2.4 煤柱尺寸的确定717 井下运输72 7.1 概述72 7.1.1 井下运输设计的原始条件和数据72 7.1.2 矿井运输系统72 7.2 采区运输设备的选择72 7.2.1 工作面刮板输送机选型和验算72 7.2.2 转载机选型73 7.2.3 破碎机机选型73 7.2.4 顺槽皮带输送机选型74 7.2.5 上山皮带输送机选型74 7.2.6 采区辅助运输74 7.3 大巷（石门）运输设备选型76 7.3.1 大巷（石门）运输方式76 7.3.2 皮带选型76 7.3.3 辅助运输768 矿井提升77 8.1 矿井提升概述77 8.2 主副井提升77 8.2.1 主