综采工作面综采设备回撤时的顶板控制与维护

矿各采区内综采工作面断层、褶曲构造极其发育,如何在复杂地质条件下安全回撤出综采设备,然后按照《煤矿安全规程》要求及时对综采工作面进行封闭,关键是如何加强顶板管理、控制与维护好顶板。     

苏村煤业综采面遇特殊地质条件下的防治对策

通过阐述综采工作面遇特殊地质条件下导致的安全生产不利因素,结合苏村煤业的开采实践,介绍了在特殊地质条件下的防治措施,并对相关措施进行了认真的分析探讨。     

综采工作面综采设备回撤时的顶板控制与维护

矿各采区内综采工作面断层、褶曲构造极其发育，如何在复杂地质条件下安全回撤出综采设备，然后按照《煤矿安全规程》要求及时对综采工作面进行封闭，关键是如何加强顶板管理、控制与维护好顶板。     

MXG300/700DA型采煤机在庚组大坡度工作面的应用及改进建议

根据平煤股份五矿庚组煤的地质条件选择综采设备,主要介绍采煤机的选型及在生产过程中的应用,为采煤机设计提供一定的依据。     

MXG300/700DA型采煤机在庚组大坡度工作面的应用及改进建议

本文主要介绍了根据平煤股份五矿庚组煤的地质条件选择综采设备以及采煤机的选型和在生产过程中的应用,为采煤机的使用和设计提供了一定的现场实际依据。     

浅谈综采生产的工序管理与组织管理

综采工艺是现代化煤矿的一种采煤工艺，利用液压支架、采煤机、刮板运输机等机械设备，使采煤工作面生产过程全部实现机械化，使采煤劳动强度大大减轻，安全状况明显改善，劳动生产率成倍提高。综采工作面设备多，技术要求高、管理水平高，如果管理跟不上。综采的优越性很难发挥，本文首先介绍了综采工作面工序管理，然后详细介绍了综采生产的组织管理内容与方法。     

易自燃煤层工作面回收期间的综合防灭火措施

综合分析了平煤股份五矿己二扩大采区开采的易自燃、极不稳定、大倾角煤层综采工作面在回收期间,自燃发火的主要原因是煤层自燃发火期短,地质条件复杂,煤层赋存不稳定,回收进度慢。采取封堵措施,减少向采空区漏风,以及注浆、注氮、注水等防灭火材料的综合利用,确保了回收期间安全、顺利施工。     

浅谈易自燃煤层工作面回收期间的综合防灭火措施

综合分析了平煤股份五矿己二扩大采区开采的易自燃、极不稳定、大倾角煤层综采工作面在回收期间,自燃发火的主要原因是煤层自燃发火期短,地质条件复杂,煤层赋存不稳定,回收进度慢。采取封堵措施,减少向采空区漏风,以及注浆、注氮、注水等防灭火材料的综合利用,确保了回收期间安全、顺利施工。     

易自燃煤层工作面回收期间的综合防灭火措施

综合分析了平煤股份五矿己二扩大采区开采的易自燃、极不稳定、大倾角煤层综采工作面在回收期间，自燃发火的主要原因是煤层自燃发火期短，地质条件复杂，煤层赋存不稳定，回收进度慢。采取封堵措施，减少向采空区漏风，以及注浆、注氮、注水等防灭火材料的综合利用，确保了回收期间安全、顺利施工。     

新集一矿13煤炮采放顶煤回采技术实践

新集一矿13煤煤层由于地质构造复杂,采用л型钢梁配合单体或悬移支架进行支护的炮采放顶煤回采工艺进行回采作业。该工艺具有投产快、成本低、对地质条件适应性极强等特点,收到了良好的经济效益和社会效益。     

煤炭开采企业管理素能提升策略研究

管理素能提升是现代煤炭开采企业提高可持续发展能力的重要途径。以陕西黄陵某矿有限公司为例,对我国煤炭开采企业管理素能提升策略的方法和过程进行了论述。     

基于跳跃-扩散过程的煤炭资源采矿权估价三因素模型

煤炭资源采矿权可以被认为是一个多期多阶段的复合看涨期权,煤炭价格、便利收益和利率的随机波动都对煤炭资源采矿权价值有较大的影响。基于期权理论,构建了煤炭价格服从跳跃-扩散过程,利率和便利收益服从均值回复过程的煤炭资源采矿权估价三因素模型。实例运用表明,该模型较单因素模型、双因素模型更能体现资源所有者的权益。随着采矿权有效期的临近,关于利率、便利收益、煤炭开采成本和煤炭价格的信息趋于透明,这些因素的变动对采矿权的影响逐渐减弱。     

Sequencing Rules for Productivity Improvements in Underground Coal Mining*

In this paper, we report on a unique two-machine, dynamic sequencing problem that was involved in a project designed to improve the productivity of underground coal mining operations. It was discovered that mine output was dependent on the particular sequence of faces the continuous miner and bolter worked. The problem is characterized by two unique features. First, the problem is unique because of the geological and safety constraints that must be satisfied by the sequence. Second, the scheduling problem is dynamic because the available job sets change as work progresses, and the production times change as coal is mined. Three heuristic approaches were developed and tested using mine parameters. The best heuristic had a worst case scenario of being within 2.7 percent of the optimal sequence and only a 1.1 percent chance of determining a better sequence. This heuristic resulted in an 8.1 percent productivity improvement.     

薄煤层煤矿生产车间特殊开采生产技术的复杂性评价

本文介绍了田陈煤矿创新的综采与普机采混合、工作面超长布置、对拉、旋转调采、矩形和梯形不规则形状的薄煤层开采技术;建立了矿井生产系统结构复杂性评价的新尺度;提出了评价方法和系统结构的简约化、复杂性减少原理;并应用此理论与方法对田陈煤矿生产系统结构复杂性评价进行了实证研究。     

便利收益对煤炭资源采矿权价值的影响分析

煤炭资源采矿权可以被认为是一个多期、多阶段的复合看涨期权,其价值是煤炭资源储量价值的函数。便利收益在解释煤炭期货价格和现货价格联系方面具有显著的经济价值。通过分析便利收益的内涵和建立其计算模型,探讨了便利收益变化模型及其影响因素来揭示便利收益对煤炭资源采矿权价值的影响,并通过实例,分析了煤炭便利收益对煤炭资源采矿权价值影响的敏感性。     

Not in My Backyard: CCS Sites and Public Perception of CCS

Carbon capture and storage (CCS) is a technology that counteracts climate change by capturing atmospheric emissions of CO₂ from human activities, storing them in geological formations underground. However, CCS also involves major risks and side effects, and faces strong public opposition. The whereabouts of 408 potential CCS sites in Germany were released in 2011. Using detailed survey data on the public perception of CCS, this study quantifies how living close to a potential storage site affects the acceptance of CCS. It also analyzes the influence of other regional characteristics on the acceptance of CCS. The study finds that respondents who live close to a potential CCS site have significantly lower acceptance rates than those who do not. Living in a coal‐mining region also markedly decreases acceptance.     

Interstitial Lung Diseases in the U.S. Mining Industry: Using MSHA Data to Examine Trends and the Prevention Effects of Compliance with Health Regulations, 1996–2015

Given the recent increase in dust‐induced lung disease among U.S. coal miners and the respiratory hazards encountered across the U.S. mining industry, it is important to enhance an understanding of lung disease trends and the organizational contexts that precede these events. In addition to exploring overall trends reported to the Mine Safety and Health Administration (MSHA), the current study uses MSHA's enforcement database to examine whether or not compliance with health regulations resulted in fewer mine‐level counts of these diseases over time. The findings suggest that interstitial lung diseases were more prevalent in coal mines compared to other mining commodities, in Appalachian coal mines compared to the rest of the United States, and in underground compared to surface coal mines. Mines that followed a relevant subset of MSHA's health regulations were less likely to report a lung disease over time. The findings are discussed from a lung disease prevention strategy perspective.     

东中部煤炭企业“西进”模式分析

结合企业的战略资源与调查问卷分析了东中部煤炭企业跨区域进入西部模式的静态选择、动态选择。研究表明:相比于自身的技术管理资源,跨区域投资煤炭企业更重视区位的自然资源禀赋条件、政府支持力度和投资项目的资本密集度;控股独资优势和跨区域投资企业经验的积累主导了进入模式的演化;西部地区采矿权的市场化程度、煤炭开采的配套设施建设等软性资源对进入模式演化的影响较弱。     

五品联动模式下品位决策问题建模与优化

矿冶工程中,地质品位、采出品位、入选品位、精矿品位、入炉品位是互为条件、相互联系的,对其进行实时动态优化是“五品联动”矿冶工程管理模式的基础。本文通过考察开采、配矿、选矿和冶炼过程中的品位与产量关系,推导出各阶段的品位与成本的关系模型,并在该模型的基础上进行边际分析,得出各阶段的品位-成本边际模型。建立了相应的品位-链接成本关系模型,并此基础上提出了品位-成本边际指数。最后,提出了五品联动的品位优化方法并给出具体步骤。文中还应用鞍钢矿业的实际数据进行了公式计算,结果和实际生产的情况吻合。     

Automation in coal mining

A study of the 21st Century energy situation shows that coal must be the principal fuel, gradually followed by the renewable fuels which require fossil fuel to make and build the equipment. For a stable world the developed countries must help the less developed by providing all the tools necessary for self production of a decent standard of living, and to avoid world war all countries nust necessarily converge on a per capita energy usage about equal to the present world average per capita figure of 1·5-2 tons of coal equivalent. As oil runs out a substitute liquid fuel will have to be made from coal and from biomass because oil is uniquely suitable for road, sea and air transport and for agriculture. Coal can be mined without men going underground by directed drilling and by Telechirics—hands at a distance. In Telechiric mining, the coal would be won by conventional mining machinery but the human miners would erect, operate, maintain and repair this machinery by sitting in a control room on the surface and controlling telechirs which could move about the mine and would have mechanical hands which would respond exactly to every movement of the human master's hands. He would have touch and force feedback and three dimensional vision so good that he could use his trained craft skill of hands and eyes as though he were down the mine.