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1、河南理工大学本科毕业设计宁夏煤业集团灵新煤矿2#井初步设计摘 要本设计是对宁夏灵新煤矿14#煤层所作的矿井初步设计。灵新煤矿自然地质条件稳定，14#煤层属特厚煤层，平均厚度7.55m。矿井瓦斯涌出量小，为低瓦斯矿井，煤尘具有爆炸危险性， 煤层具有自燃发火倾向，矿井涌水量较小。设计采用立井单水平上、下山式开拓，采区式准备，综合机械化放顶煤开采。主要对矿井开拓方式、准备方式和采煤方法进行了初步设计，对矿井运输、提升、通风、排水等生产系统进行了描述和设备选型计算。设计时根据现有经济技术条件，尽可能采用先进的开采技术和设备，对矿井提出了一些安全技术措施，并针对矿山污染提出了一些防治措施。关键词： 煤矿
2、 矿井初步设计 低瓦斯矿井 煤尘爆炸危险 煤层自燃发火 立井开拓 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive
3、strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pur
4、suit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle
5、, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensur
6、e that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competitio
7、n, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-qu
8、ality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about
9、social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leap
10、frog development.ABSTRACTThis design work is the first step design in mineral well for the 14# coal layer in the Lingxin coal mine in Ningxia. Lingxin mine has a stable natural geology condition, and 14# coal layer belongs to thick coal seam especially, average thickness 7.55 m. The mineral gas gush
11、es quantity small, so it belongs to a low gas mineral well, and the coal dust has an explosion risk. The coal layer is inclined to causing fire, and the mineral well flows out a little water. The design adopts single level up to the well, a mountain type to expanding, an area type to preparing, and
12、synthesize mechanization to mine. This design is the first step for the expanding way, preparing way and exploring way. This paper also describes the well conveyance, promotes well ventilated, drains etc. and calculates the equipments. Adopt technique and equipments of mine according to the existing
13、 and economic technique condition while design; put forward some safe technique measure to the mineral well, and put forward some prevention and cure measure to the mineral pollution.Keyword: Coal mine; The first step for the mineral design; Mineral well of low gas; The dangerous of the coal dust ex
14、ploring The coal seam becomes angry from the Ran Sign the well expand前言毕业设计是四年采矿工程专业学习的终结考核，也是这四年学习生活的一次深刻总结。在学校教学环节安排下，通过毕业实习较为全面的了解了矿井的各生产系统，使专业学习得于感性和理性的转化，以此为基础进行的毕业设计，是一次由工科学生向工程技术人员转变的考验，更是一次作为工科学生是否具备工程技术人员基本素质的考察。所以设计期间，严格执行教学大纲要求，以严谨的态度力求使设计完善、完美。本设计是以宁夏灵新煤矿为地质储量基础，根据赵忠明老师的具体要求进行设计的。矿井自然地质条
15、件中等，开采14煤层，设计煤层为14煤，平均厚度7.55m，属特厚煤层。开采煤层具有自燃发火倾向性，煤尘具有爆炸危险性，矿井瓦斯含量低，相对瓦斯涌出量为8m3/t，为低瓦斯矿井，矿井涌水量不大，正常涌水量180m3/h，最大涌水量230m3/h。井田边界有一条向斜构造，但未给本开采设计带来困难。通过毕业实习现场考察学习，在收集的资料基础上，按照毕业设计大纲和设计任务要求，广泛参考煤矿矿井开采设计的有关书籍、资料和网络信息，依据煤矿设计规范、煤矿安全规程等在原则上指导煤矿矿井初步设计的有关规定和煤矿工业设备选型的要求，对龙宁夏灵新煤矿14煤层进行了矿井初步设计。设计中所采用的矿井开拓方式、准备方
16、式以及回采方法经过方案比较和验算符合自然地质条件限制，满足设计要求。所选用工业设备与矿井设计生产能力及矿井自然地质条件相匹配，能够顺利达产，满足技术上最优、经济上最省的设计原则。目录1矿区概况及井田地质特征11.1矿区概况11.2井田地质特征21.3井田勘探程度52矿井储量、年产量及服务年限62.1井田境界62.2井田储量62.3矿井产量及服务年限83井田开拓103.1概述103.2井田开拓103.3井筒特征213.4井底车场263.5开采顺序及采区、采煤工作面的配置343.6井巷工程量和建井工期364采煤方法404.1采煤方法选择404.2采区巷道布置及生产系统404.3回采工艺设计485矿井运输 提升及排水635.1井下运输635.2矿井提升755.3矿井排水84
