小康三矿3.0Mta新井设计.doc

1、摘要本设计是小康三矿3.0Mt/a新井设计。井田内有两层煤，煤层平均倾角8度。通过对地质资料的深入分析和方案的比较，确定采用立井开拓。主井和副井位于井田储量中心，设立一个风井，位于井田中部,采用中央并列式通风。全矿井设置一个开采水平，开拓方式为立井单水平上下山开拓,采煤方法采用倾斜长壁放顶煤采煤法。根据煤层的赋存情况 ，采用集中大巷的布置方式，两条大巷布置在最下煤层的底板岩层中。主井采用箕斗提升，副井采用罐笼提升，运煤采用皮带运输，实现了全矿井的连续运输。工作面采用国内外先进采煤设备，有利于工作面高产高效。在设计中，开拓方式、井筒位置的选择、大巷布置都进行了方案比较。全矿划分为两个带区，带区内

2、采用跳采。设计中采用综放综掘等先进工艺和技术，提高了煤炭的开采和掘进效率，减少了建井工期和初期投资。设计矿井为一井一面的高效矿井，实了集中生产。为了优化设计，在开拓布局上进行了优化，使生产系统尽量简化。通过选用先进的技术和装备，提高开采机械化水平，实现高度集中生产，使得矿井达到高产高效的目标。关键词：集中布置；高产高效；皮带运输IAbstractThis design is the new mine design of Xiaokang NO.3 mine with capability of 3.0Mt/a. There are two coal seams in the mine fiel

3、d ,and the average dip angle of coal seams is 8 degree. After fully analyzing the geological material and technical and economic comparison , vertical shaft development is used . Main shaft and auxiliary shaft is located in the mine field at the center of the reserves, established one air shaft, is

4、located in the shallow boundary mine field. The ventilation style is central and concatenation ventilation method . There are one level in Xiaokang NO.3 mine, explore ways of vertical single level down the mountain development.Coal mining methods is full mechanized inclined longwall mining with top-

5、coal drawing method.According to the coal seams deposit conditions , gathering roadway is used , and two roadway are all laid in the rock stratum under the coal seams .Skip hoisting is used in main shaft and cage hoisting is used in auxiliary shaft, and belt is used for coal transportation , and who

6、le mine continuous is realized. Advanced mining equipments are used in coal mining face,which make mining face high production and high efficiency.In the course of design , technical comparison is used in development style, selection of shafts position ,layout of roadway. The whole mine field was di

7、vided into 2 belt areas, and in each mining section jump mining is used . During the design , the advanced technologies and techniques such as fully mechanized mining and fully mechanized tunneling are used. It not only improve the efficiency of coal mining and tunneling, but also reduced the constr

8、uction period of coal mine and first cost. In design, the pattern of high-output and high-efficiency mine with one one producing shaft and one mining face is applied, and centralized production is realized .To optimize the design, it has simplified the design of development layout and the production

9、 system. Through adopting advanced technology and equipment, mining mechanization level is improved, and highly centralized production is realized, and the goal of high-output and high-efficiency mine is achieved. Key words: concentrated layout; high-output and high-efficiency; belt transport目录前言11

10、矿区概述及井田特征21.1 概述21.1.1 井田位置及范围21.1.2 自然地理21.1.3 交通概况21.2 井田地质特征31.2.1 地层31.2.2 含煤概况61.2.3 水文地质61.3 煤层及煤质特征61.3.1 井田内煤层61.3.2 煤质61.3.3 煤层的含瓦斯性、自燃性、爆炸性72 井田境界及储量82.1 井田境界82.1.1 井田范围82.1.2 边界煤柱留设82.1.3 工业广场保护煤柱留设82.1.4 边界的合理性82.2 井田的储量102.2.1 井田储量的计算原则102.2.2 矿井工业储量102.2.3 矿井煤柱损失112.2.4 矿井的设计储量112.2.5

11、矿井的设计可采储量123 矿井的年产量、服务年限及一般工作制度133.1 矿井的年产量及服务年限133.1.1 矿井的年产量133.1.2 矿井的服务年限133.1.3 矿井产量变化的可能性143.2 矿井的一般工作制度144 井田开拓154.1井筒形式、位置和数目的确定154.1.1 井筒形式的确定154.1.2 井筒位置及数目的确定164.2 开采水平的设计194.2.1 开采水平的划分194.2.2 设计水平储量及服务年限204.2.3 设计水平的巷道布置204.2.4 大巷的位置、数目、用途和规格224.3 带区划分及开采顺序224.3.1 带区形式及尺寸的确定224.3.2 开采顺序

12、234.4 开采水平井底车场形式的选择234.4.1 开采水平井底车场选择的依据234.4.2 井底车场主要硐室244.5 开拓系统综述264.5.1 系统概况264.5.2 移交生产时井巷的开凿位置、初期工程量285 带区巷道布置305.1 设计带区的地质概况及煤层特征305.1.1 带区概况305.1.2 煤层特征305.1.3 带区范围及工业储量305.1.4 带区生产能力及服务年限305.2 带区准备方式315.2.1 带区形式315.2.2 带区巷道数目、位置及用途355.3 带区分带的划分、分带斜巷的布置方式355.3.1 带区分带的划分355.3.2 分带斜巷的布置方式355.4

13、 带区车场及硐室365.4.1 车场形式365.4.2 带区硐室375.5 带区生产系统385.5.1 采准系统385.5.2 运输系统385.5.3 通风系统385.6 带区开采顺序385.7 带区巷道断面尺寸、支护方式、带区准备工程量385.7.1 确定依据385.7.2 带区准备工程量395.8 带区的巷道掘进率、带区回采率395.8.1 巷道掘进率395.8.2 带区回采率406 采煤方法426.1 采煤方法的选择426.1.1 选择的依据和要求426.1.2 采煤方法426.2 煤层地质特征426.3 工作面长度的确定436.3.1 按工作面生产能力校核436.3.2 按运输机能力检

14、验446.3.3 按通风条件核定446.4 采煤机械的选择和回采工艺的确定446.4.1 综采机组的选择446.4.2 配套设备选型466.4.3 回采工艺方式476.4.4 顶板管理方法506.4.5 工作面布置506.5 循环方式的选择及循环图表的编制506.5.1 循环方式的选择506.5.2 循环图表的编制517 建井工期及开采计划537.1 建井工期及施工组织537.1.1 建井工期537.1.2 工程排队及施工组织排队547.2 开采计划557.2.1 开采顺序及配产原则557.2.2 开采计划568 矿井通风578.1 概述578.2 矿井通风系统的选择578.2.1 通风方式的

15、选择578.2.2 通风方法的选择588.3 总风量的计算及风流分配598.3.1 矿井总进风量598.3.2 回采工作面所需风量608.3.3 掘进工作面所需风量618.3.4 独立硐室所需风量628.3.5 其它巷道所需风量628.3.6 矿井总风量638.3.7 风量的分配638.4 矿井总风压及等积孔的计算638.4.1 计算原则638.4.2 计算方法648.4.3 计算等积孔668.5 通风设备的选择668.5.1 矿井主要扇风机选型计算668.5.2 电动机选型计算688.6 灾害防治综述698.6.1 井底火灾及煤层自然发火的防治措施698.6.2 预防煤尘爆炸措施708.6.3 预防瓦斯爆炸的措施708.6.4 避灾路线709 矿井运输与提升719.1 概