姚桥煤矿1.8Mta新井设计.docx

1、摘 要本设计包括三个部分：一般设计部分、专题设计部分和翻译部分。一般部分为姚桥矿1.8 Mt/a的新井设计。姚桥煤矿位于江苏省徐州市境内，距江苏省徐州市西北大约82km，距沛县县城约17km。区内铁路交通方便。井田走向（东西）长平均约6.43 km，倾向（南北）长平均约3.43km，井田水平面积为20.80 km2。主采煤层一层，即7号煤层，平均倾角8.7，厚约7.64 m。井田工业储量为260.04 Mt，可采储量181.68 Mt，矿井服务年限为72.2 a。井田地质条件简单。矿井正常涌水量为320 m3/h，最大涌水量为340 m3/h；煤层硬度系数f=2.3，煤质牌号为气煤44；矿井绝

2、对瓦斯涌出量为0.77 m3/min，属低瓦斯矿井；煤层有自燃发火倾向，发火期36个月。煤尘具有爆炸危险性。根据井田地质条件，最终确定方案：将主采煤层划分为两个水平立井开采，一水平标高-650 m，二水平标高-950 m。矿井采用中央并列式通风。设计首采区采用采区准备方式，工作面长度200 m，采用综采放顶煤采煤法。矿井采用“三八”制作业，两班生产，一班检修。生产班每班2个循环，检修班1个循环，日进5个循环，循环进尺0.686 m，日产量6007.63 t。大巷采用带式输送机运煤，辅助运输采用1.5 t固定箱式矿车。主井装备两套16 t箕斗带平衡锤提煤，副井装备一对3 t矿车双层四车罐笼带平衡

3、锤担负辅助运输任务。专题部分题目：薄煤层工作面长度优化方法研究翻译部分是一篇关于频率和锚固长度对超声波在锚杆中传播行为的影响的论文，英文原文题目为：Effects of frequency and grouted length on the behavior of guided ultrasonic waves in rock bolts。关键词：立井；综采放顶煤；单巷掘进；中央并列式ABSTRACTThis design includes three parts: general design section, design project section and translation s

4、ection.General section is the 1.8 Mt/a new well design of Yaoqiao ore. Yaoqiao coal mine is located in Jiangsu Xuzhou city, it is about 82 km from northwest of Jiangsu Xuzhou, and about 17 km from the county of Peixian. The railway traffic is convenient. Seam strike (from east to west) is average 6.

5、43 km, the other side is about 3.43 km, the horizontal area is 20.80 km2. The principal coal seam is the first seam, or NO.7 coal seam with average 8.7 angle, about 7.64 m thick. The coal field wells industrial reserves is about 260.04 Mt and recoverable reserves is 181.68 Mt.The mine field can serv

6、ice 72.2 years and its geological conditions is simple. Normal water inflow is 320 m3 / h, and the maximal is 340 m3 / h, coefficient of hardness is 2.3 .The rank of the coal is long flame coal 44. The absolute emission quantity of gas is 0.77 m3 / min, belong to low gas mine.It has the tendency of

7、spontaneous combustion and dust explosion risk.According to the field geological conditions,the final plan is : divide the main mine field into two shaft. One horizontal elevation is -650 m,the other one is -950m. The mine pit uses central compound -like to ventilateThe first mining area use stand-b

8、y mode with the length of 200 m. Longwall face roof coal drawing method is chosen. Both teams produce, one team repairs in a day . Produce teams produce two circle, maintenance crew produce one circle , in the aggregate,five circle one day.The excavation footage cycle is0.686 m. Daily output is 6007

9、.63 t.The main roadway uses belt conveyor. Auxiliary transportation use 1.5 t Solid-bottom wagon. The main shaft equip two 16 t skips with counterweight. auxiliary shaft equipment a pair of 3 t harvesters double four car with the cage for auxiliary transport task balance hammer.The project section t

10、opic: the thin coal seam face length optimization method researchTranslation part is an article about the influence of the frequency and anchor length of ultrasonic in the transmission of the ultrasonic wave in the anchor, the original English title: the Effects of frequency and grouted length on th

11、e behavior of guided ultrasonic waves in rock bolts .Keywords: vertical shaft; Fully mechanized caving coal face; Single lane tunneling; The central paratactic type2目 录1矿井概况及井田地质特征11.1矿区概况11.1.1地理位置与交通情况11.1.2地形、地貌及水系11.1.3气象与地震31.1.4井田位置、井田面积及相邻矿井边界关系31.2井田地质特征41.2.1井田地质概况、地层、含煤地层及构造情况41.2.2水文地质情况及

12、开采技术条件71.3煤层特征81.3.1主要可采煤层情况82井田境界和储量92.1井田境界92.2矿井工业储量92.2.1煤层赋存情况92.2.2矿井工业储量计算102.2.3 矿井可采储量112.2.4工业场地煤柱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 矿井设计生产能力及服务年限143.2.1 矿井生产能力144 井田开拓164.1井田开拓的基本问题164.1.1 井筒形式的确定174.1.2 井筒位置的确定采（带）区划分184.1.3 工业场地的位置194.1.4 开采水平的确定194.1.5 矿井开拓方案比较194.2 矿井基本巷道284.2.1井

13、筒284.2.2井底车场及硐室324.2.3主要开拓巷道344.2.4巷道支护355 准备方式带区巷道布置385.1煤层地质特征385.1.1带区位置385.1.2带区煤层特征385.1.3水文地质385.1.4地质构造385.1.5地表情况385.2带区巷道布置及生产系统385.2.1带区位置及范围385.2.2采煤方法及工作面长度的确定385.2.3确定带区各种巷道的尺寸、支护方式及通风方式395.2.4煤柱尺寸的确定405.2.5带区巷道的联络方式415.2.6带区接替顺序415.2.7采区生产系统415.2.8带区内巷道掘进方法425.2.9带区生产能力及采出率425.3带区车场选型设

14、计445.3.1带区主要硐室布置445.3.2分带下部车场456 采煤方法466.1采煤工艺方式466.1.1带区煤层特征及地质条件466.1.2确定采煤工艺方式466.1.3确定工作面长度476.1.4回采工作面破煤、装煤方式476.1.5工作面运煤方式486.1.6回采工作面支护方式536.1.7放顶煤参数确定556.1.8回采工作面劳动组织和正规循环作业556.2回采巷道布置596.2.1回采巷道布置方式596.2.2回采巷道参数597 井下运输627.1概述627.1.1井下运输设计的原始条件和数据627.1.2运输距离和货载量627.1.3矿井运输系统627.2采区运输设备选择637

15、.2.1设备选型原则637.2.2采区设备的选型647.3大巷运输设备选择657.3.1运输大巷设备选择657.3.2辅助运输大巷设备选择668 矿井提升688.1概述688.2主副井提升688.2.1主井提升688.2.2副井提升719 矿井通风及安全749.1矿井通风系统选择749.1.1矿井概况749.1.2矿井通风系统的基本要求749.1.3矿井通风方式的确定749.1.4主要通风机工作方式选择759.1.5采区通风系统的要求769.1.6工作面通风方式的选择779.1.7回采工作面进回风巷道的布置779.2 带区及全矿所需风量789.2.1 采煤工作面实际需要风量789.2.2 备用面需风量的计算799.2.3 掘进工作面需风量809.2.4硐室需风量809.2.5其它巷道所需风量819.2.6矿井总风量819.2.7风量分配819.3矿井通风总阻力计算829.3.1矿井通风总阻力计算原则829.3.2确定矿井通风容易和困难时期8