机械5

主要内容和要求： 以实习矿井许厂煤矿条件为基础，完成许厂煤矿3.0Mt/a新井设计。主要内容包括：矿井概况、矿井工作制度及设计生产能力、井田开拓、首采区设计、采煤方法、矿井通风系统、矿井运输提升等。 结合煤矿生产前沿及矿井设计情况，撰写一篇关于煤巷锚杆支护技术研究的专题。 完成与采矿有关的科技翻译一篇，题目为“Co
ntrol of gas emissio
ns i
n u
ndergrou
nd coal mi
nes ”，3635字符。 摘要 本设计包括三个部分：一般部分、专题部分和翻译部分。 一般部分为许厂矿3.0 Mt/a新井设计。许厂矿位于济宁市济宁煤田的东北部，交通较为便利。井田倾向（东西）长约4 km，走向（南北）长约8 km，井田总面积为32.3 km2。主采煤层为3下煤层，平均倾角为10°，煤层平均厚度为8.8 m。井田地质条件较为简单。 井田工业储量为357.33 Mt，矿井可采储量262.4 Mt 。该矿井服务年限为62.5 a，矿井正常涌水量为1387m3/h，最大涌水量为1928 m3/h。矿井瓦斯相对涌出量为0.49m3/t，属低瓦斯矿井。 井田为立井两水平开拓加暗斜井延伸；长壁放顶煤采煤法；矿井通风方式为前期中央并列式，后期两翼对角式。 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、服务年限；4.井田开拓；5.准备方式-盘区巷道布置；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。 专题部分的题目为煤巷锚杆支护技术研究，主要针对国内外锚杆支护现状及其支护理论的一些探讨研究。 翻译部分主要内容为煤矿井下瓦斯涌出控制的一些内容，英文题目为：Co
ntrol of gas emissio
ns i
n u
ndergrou
nd coal mi
nes。 关键词：许厂矿井；两水平开拓；锚杆支护；瓦斯涌出 ABSTRACT This desig
n i
ncludes of three parts: the ge
neral part, special subject part a
nd tra
nslated part. The ge
neral part is a
new desig
n of Xucha
ng mi
ne which desig
ned productive capacity is 3.0 Mt perce
nt year. Xucha
ng mi
ne li
nes i
n
north-east of Ji
ni
ng , Sha
ndo
ng provi
nce. The traffic of road a
nd railway is co
nve
nie
nce to the mi
ne. The width of the mi
nefield is 4 km a
nd the width is about 8 km, the well farmla
nd total area is 32.3km2.The three is the mai
n coal seam, a
nd its average dip a
ngle is 10 degree. The thick
ness of the mi
ne is about 8.8 m i
n all. The proved reserves of the mi
nefield are 357.33 Mt. The recoverable reserves are 262.4 Mt. The service life of the mi
ne is 62.5 years. The
normal flow of the mi
ne is 1387 m3 perce
nt hour a
nd the max flow of the mi
ne is 1928 m3 perce
nt hour. The mi
ne gas emissio
n rate is 0.49 m3/t which ca
n be recog
nized as low gas mi
ne. The well farmla
nd is two levels i
n combi
ned developme
nt of vertical shaft a
nd later slope; the cole mi
ne is the lo
ngwall mi
ni
ng; the way of mi
ne ve
ntilatio
n for the ce
ntral paratactic type, later two wi
ngs diago
nal type The worki
ng system “three-eight” is used i
n the Xucha
ng mi
ne. It produced 330 d/a. This desig
n i
ncludes te
n chapters: 1.A
n outli
ne of the mi
ne field geology; 2.Bou
ndary a
nd the reserves of mi
ne; 3.The service life a
nd worki
ng system of mi
ne; 4.developme
nt e
ngi
neeri
ng of coalfield; 5.The layout of pa
nels; 6. The method used i
n coal mi
ni
ng; 7. Tra
nsportatio
n of the u
ndergrou
nd; 8.The lifti
ng of the mi
ne; 9. The ve
ntilatio
n a
nd the safety operatio
n of the mi
ne; 10.The basic eco
nomic a
nd tech
nical
norms. The topic of Special subject parts is bolt-a
nchor cable tech
nology research. Mai
nly aims at the bolt support i
n our cou
ntry a
nd abroad prese
nt situatio
n a
nd some theory research of supporti
ng. The mai
n co
nte
nt of tra
nslatio
n is the co
ntrol of coal mi
ne u
ndergrou
nd gas emissio
n somet .E
nglish topic is: Co
ntrol of gas emissio
ns i
n u
ndergrou
nd coal mi
nes. Keyword: Xucha
ng mi
ne; two levels; Bolt support; Gas emissio
n 目录 一般部分 1矿区概述及井田地质特征1 1.1矿区概述1 1.2井田地质特征2 1.3煤层特征4 2井田境界与储量8 2.1井田境界8 2.2矿井工业储量8 2.3矿井可采储量10 3矿井工作制度、设计生产能力及服务年限13 3.1矿井工作制度13 3.2矿井设计生产能力及服务年限13 3.3井型校核14 4井田开拓15 4.1井田开拓的基本问题15 4.2矿井基本巷道22 5准备方式——采区巷道布置30 5.1煤层地质特征30 5.2采区巷道布置及生产系统30 5.3采区车场选型设计33 6采煤方法35 6.1采煤工艺方式35 6.2设备39 6.3顶板管理44 6.4劳动组织和工作面成本46 6.5回采巷道布置48 7井下运输50 7.1概述50 7.2煤炭运输方式和设备选择50 7.3辅助运输方式和设备选择51 8矿井提升53 8.1矿井提升的原始数据和地质条件53 8.2主副井提升53 9矿井通风及安全57 9.1矿井通风系统选择57 9.2采区及全矿所需风量61 9.3矿井通风总阻力计算64 9.4选择矿井通风设备69 9.5防止特殊灾害的安全措施73 10设计矿井基本技术经济指标75 专题部分 煤巷锚杆支护技术研究77 翻译部分 Co
ntrol of gas emissio
ns i
n u
ndergrou
nd coal mi
nes 100 煤矿井下瓦斯涌出控制108 致谢113