机械5

张双楼煤矿1.2 Mt/a新井设计 摘要 本设计包括三个部分：一般部分、专题部分和翻译部分。 一般部分为张双楼煤矿1. 2 Mt/a新井设计。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-带区巷道布置；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。 张双楼煤矿位于徐州市西北，距徐州市约79 km，交通甚为便利。井田走向长约5.2 km，倾向长约2.9 km，面积约20.28 km2。井田内主采煤层为一层，为7#煤。煤层倾角平均为9°，平均厚度5.0 m。井田地质条件较为简单。 矿井工业储量为147.68 Mt，可采储量为108.54万t。矿井设计生产能力为1.2Mt/a。矿井服务年限64.6 a。矿井正常涌水量为320 m3/h，最大涌水量为340 m3/h。矿井相对瓦斯涌出量为0.77 m3/t，属低瓦斯矿井。矿井煤尘有爆炸危险性，煤层无自然发火危险性。 矿井采用立井两水平暗斜井延深开拓。一矿一面，采煤方法为综合机械化一次采全高开采。全矿采用胶带运输机运煤，辅助运输采用矿车。矿井通风方式为中央并列式。 矿井年工作日为330 d，日净提升时间16h，工作制度为“三八制”。 专题部分题目是特殊地段的煤巷支护技术。针对特殊地段的煤巷支护问题，分析特殊地段下围岩变形机理、应力分布规律以及巷道支护原理，确定合理的支护方式，进而保证煤巷围岩的稳定，矿井的生产安全。 翻译部分是一篇关于软岩巷道支护强度与围岩变形关系的，英文题目为The optimal support i
nte
nsity for coal mi
ne roadway tu
n
nels i
n soft rocks。 关键词：立井两水平；暗斜井延深；带区；一次采全高；中央并列式通风 ABSTRACT This desig
n i
ncludes three parts: the ge
neral part, special subject part a
nd tra
nslatio
n part. The ge
neral part is a
new desig
n of Zha
ng Shua
nglou mi
ne. 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 of mi
ne; 5.The layout of mi
ni
ng area; 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. Zha
ng Shua
nglou mi
ne locates at the
northwest of XuZhou, 79 km away from the ce
nter of the tow
n. A
nd it has co
nve
nie
nce tra
nsportatio
ns. Mi
nefield has a le
ngth of 5.2 km i
n the east a
nd west directio
n while a width of 2.9 km i
n the south a
nd
north directio
n o
n average. The total area is Approximately 20.28 km2. The mai
n coal seam i
n the mi
ne is o
nly o
ne, which is the 7# coal seam. The average a
ngle is 9 degree, while the thick
ness is about 5.0 m. The mi
nefield geological co
nditio
n is simple. The proved reserves of the mi
nefield are 147.68 millio
n to
ns. The recoverable reserves are 108.54 millio
n to
ns. The desig
ned productive capacity is 1.2 millio
n to
ns per year. The service life is 64.6 years. The
normal flow of the mi
ne is 320 m3 per hour a
nd the max flow of the mi
ne is 340 m3 per hour. The Relative gas discharge qua
ntity is 0.77 m3 per to
n. Thus it is Low gaseous mi
ne. The coal dust of the mi
ne has explosio
n hazard. But the coal seam has
no spo
nta
neous combustio
n. The developme
nt of the mi
ne is two level of vertical shaft,deepe
ni
ng with I
ncli
ned Shaft. The
number of the worki
ng faces is o
nly o
ne. Fully mecha
nized mi
ni
ng overall high extractio
n is the mi
ni
ng method. Several belt co
nveyers u
ndertake the job of coal tra
nsport i
n the mi
ne, while the auxiliary tra
nsportatio
n system depe
nds o
n the mi
ne cars. The ve
ntilatio
n type is ce
ntralized juxtapose. The worki
ng days i
n a year are 330. Everyday it takes 16 hours i
n lifti
ng the coal. The worki
ng system i
n the mi
ne is “three-eight”.The title of the special subject part is “Support tech
nology i
n special lot of roadway”. I
n view of roadway special lot’s support issues, a
nalysisi
ng mecha
nism of rock deformatio
n, stress distributio
n a
nd roadway support pri
nciple, determi
ni
ng reaso
nable support patter
ns, thus e
nsuri
ng the stability of surrou
ndi
ng rock, productio
n safety of coal mi
ne. The tra
nslated academic paper is about the relatio
nship betwee
n support i
nte
nsity a
nd rock deformatio
n of roadway tu
n
nels i
n soft rock. Its title is “The optimal support i
nte
nsity for coal mi
ne roadway tu
n
nels i
n soft rocks”. Keywords: two level of vertical shaft; deepe
ni
ng with I
ncli
ned Shaft;strip district; Comprehe
nsive Mecha
nized mi
ni
ng overall high extractio
n; ce
ntralized juxtapose ve
ntilatio
n 目录 1矿区概述及井田地质特征5 1.1矿区概述5 1.2井田地质特征6 1.3煤层特征12 2井田境界和储量15 2.1井田范围15 2.2矿井工业储量16 2.3矿井可采储量18 3矿井工作制度、设计生产能力及服务年限22 3.1矿井工作制度22 3.2矿井设计生产能力及服务年限22 4井田开拓24 4.1井田开拓的基本问题24 4.2矿井基本巷道31 5准备方式——带区巷道布置39 5.1煤层地质特征39 5.2带区巷道布置及生产系统40 5.3带区车场选型设计44 6采煤方法46 6.1采煤工艺方式46 6.2回采巷道布置60 7井下运输64 7.1概述64 7.2带区运输设备选择65 7.3大巷运输设备选型67 8矿井提升69 8.1矿井提升概述69 8.2主副井提升69 9矿井通风及安全74 9.1矿井地质、开拓、开采概况74 9.2矿井通风系统的确定74 9.3带区及矿井所需风量82 9.4全矿通风阻力计算86 9.5矿井通风设备选型89 9.6安全灾害的预防措施95 10设计矿井基本技术经济指标96 致谢98