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朱集矿0.9Mta新井设计.docx

1、摘 要一般部分针对淮南朱集矿井进行了井型为0.9Mt/a的新井设计。朱集矿井位于安徽省淮南市境内,井田走向长约7.0km,倾向长约3.0km,面积约21km2。主采煤层为13-1#煤层,平均倾角25,平均厚度4m。井田工业储量为114.6Mt,可采储量61.4Mt,矿井服务年限为52.5a。矿井正常涌水量为342m3/h,最大涌水量为462m3/h;矿井相对瓦斯涌出量为10.3m3/t,属高瓦斯矿井。根据井田地质条件,设计采用双立井单水平开拓方式,井田采用全带区式布置方式,共划分为八个带区,两个盘区,轨道大巷、胶带机大巷和回风大巷皆为岩石大巷,布置在13-1#煤层底板岩层中。考虑到本矿井为高瓦

2、斯矿井,矿井通风方式采用两翼对角式通风,并在开采前预掘底板瓦斯抽排巷进行瓦斯提前卸压抽放。 针对东一带区采用了带区准备方式,共划分5个分带工作面,并进行了运煤、通风、运料、排矸、供电系统设计。针对13101工作面进行了采煤工艺设计。该工作面煤层平均厚度为4.0m,平均倾角3,直接顶为泥岩,老顶为细砂岩。工作面采用长壁综采一次采全高采煤法。采用双滚筒采煤机割煤,往返一次割两刀。采用“三八制”工作制度,截深0.8m,每天 四个循环,循环进尺3.2m,月推进度96m。大巷采用胶带输送机运煤,辅助运输采用蓄电池式电机车牵引固定箱式矿车。主井采用两套带平衡锤的16t箕斗提煤,副井采用一对1.5t矿车双层

3、四车窄罐笼和一个带平衡锤的1.5t矿车双层四车宽罐笼运料和升降人员。专题部分题目为浅论井下热害的成因、危害和治理办法,介绍了井下高温产生的原因及危害,并结合实例介绍几种井下热害治理方法。翻译部分题目为GROUND SURFACE DEFORMATION USING THE FINITE ELEMENT METHOD, IN CONDITIONS OF THE LONGWALL MINING OF THE COAL LAYER NO. 3 - LIVEZENI MINE,主要介绍了用数值模拟实验研究采矿产生的地表变形。关键词:朱集矿井;双立井;带区布置;综采;两翼对角式;高温热害BSTRACTT

4、he general design is about a 0.90 Mt/a new underground mine design of Zhuji coal mine. Zhuji coal mine is located in Huainan, Anhui province. Its about 7.0 km on the strike and 3.2 km on the dip, with the 21.0 km2 total horizontal area. The minable coal seam is 13-1# with an average thickness of 4.0

5、 m and an average dip of 3. The proved reserves of this coal mine are 114.6 Mt and the minable reserves are61.4 Mt, with a mine life of 52.5 a. The normal mine inflow is 342 m3/h and the maximum mine inflow is 462 m3/h. The mine gas emission rate is 10.3 m3/t which can be recognized as high gas mine

6、. Based on the geological condition of the mine, this design uses a duel-vertical shaft single-level development method, and full strip preparation ,which divided into eight bands and two districts, and track roadway, belt conveyor roadway and return airway are all rock roadways, arranged in the flo

7、or rock of 13-1# coal seam. Taking into account of the high gas emission, mine ventilation method use two diagonal wings ventilation, and excaves bottom gas drainage roadway before mining to relief gas pressure in advance.The design applies strip preparation against the first band of East One which

8、divided into 5 stirps totally, and conducted coal conveyance, ventilation, gangue conveyance and electricity designing.The design conducted coal mining technology design against the 13101 face. The coal seam average thickness of this working face is 4.0 m and the average dip is 3, the immediate roof

9、 is mud stone and the main roof is sand stone. The working face applies fully mechanized longwall full-height coal caving method, and uses double drum shearer cutting coal which cuts twice each working cycle. Three-Eight working system has been used in this design and the depth-web is 0.6 m with fou

10、r working cycles per day, and the advance of a working cycle is 3.2 m and the advance is 96 m per month.Main roadway makes use of belt conveyor to transport coal resource, and battery locomotive to be assistant transport. The main shaft uses double 16 t skips to lift coal with a balance hammer and t

11、he auxiliary shaft uses a twins narrow1.5 t four-car double-deck cage and a wide 1.5t four-car double-deck cage to lift material and personnel transportation.The monographic analyzed the reason on heat harm of mine field,and some comprehensive heat harm control measures were put forward,including wi

12、de adjustment cooling and regional cooling by refrigeratorsThe title of the translated academic paper is GROUND SURFACE DEFORMATION USING THE FINITE ELEMENT METHOD, IN CONDITIONS OF THE LONGWALL MINING OF THE COAL LAYER NO. 3 - LIVEZENI MINE .Keywords:Zhuji coal mine; double vertical shaft; band mod

13、e; full-height coal caving; two diagonal wings ventilation; mine heat damage目录ABSTRACT2目 录41 矿井概况与地质特征71.1 井田概况71.2井田地质特征21.3煤层特征52 井田境界和储量102.1井田境界102.2井田地质勘探112.3矿井地质储量112.4 矿井可采储量133 矿井工作制度、设计生产能力及服务年限163.1矿井工作制度163.2矿井设计生产能力及服务年限164 井田开拓184.1井田开拓的基本问题184.1.5开拓方案比较214.2矿井基本巷道295 准备方式带区巷道布置395.1煤层

14、地质特征395.2带区巷道布置及生产系统395.3带区车场选型计算446 采煤方法476.1采煤工艺方式476.2 13101首采工作面回采巷道布置577 井下运输637.1概述637.2带区运输设备选择647.3大巷运输设备选择678 矿井提升708.1矿井提升概述708.2主井提升708.3副井提升719 矿井通风及安全739.1矿井通风系统的选择739.2矿井风量计算759.3矿井通风阻力计算839.4选择矿井通风设备889.6安全灾害的预防措施9310 矿井基本技术经济指标96参考文献97专题:浅论井下热害的成因、危害和治理办法981 前言982 矿井高温的产生原因983 井下高温的危

15、害993.1 高温对人体的危害993.2 高温环境对劳动效率及安全的影响1004 矿井热害的防治措施1004.1 冰制冷降温技术1004.2 利用电厂余热制冷新技术治理矿井地热灾害1014.3 利用恒温水源进行矿井降温1044.4 矿井压气蒸发冷却降温技术1054.5 矿用移动式冷风机降温技术1084.6 透平膨胀制冷降温技术1104.7 制度上的措施1125 结语113参考文献113翻译部分:GROUND SURFACE DEFORMATION USING THE FINITE ELEMENT METHOD, IN CONDITIONS OF THE LONGWALL MINING OF THE COAL LAYER NO. 3 - LIVEZENI MINE114Generalities114Geo-mechanical characterization116Numerical modelling of the subsidence phenomenon119Models description119Modelling ach

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