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- Plough: An Effective Way to Solve Thin Seam Mining in China 刨煤机是解决我国薄煤层开采的有效途径
- Practice of the first caving managtment in thin seam mining working face with lime rock roof 石灰岩顶板薄煤层采煤工作面的初次放顶管理实践
- thin seam mining 薄煤层开采
- In the thin seam fully-mechanized mining face,three machines assortment must be scientific and reasonable,the structure and size of all equipments must reach the most optimistic composition condition. 薄煤层综采机械化工作面三机设备配套要科学、合理,各设备的结构尺寸要达到最优化的配合状态。
- This mining technology is innovations in the layout of this kind working face,mining method and technologies act and solves many technological difficult problems for the thin coal seam mining. 该开采技术在工作面巷道布置、开采机械、采煤方法、回采工艺等开采技术上进行综合创新,解决了薄煤层开采的技术难题。
- This paper introduces state of mining and reserving of thin and almost thin seam,analyses technology and methods of mining thin seam,meanwhile discusses design of hydraulic support in thin seam. 介绍了我国薄、极薄煤层赋存及开采状况,分析了薄煤层开采的技术及方法,并对薄煤层液压支架的设计进行浅探。
- Hereby the safety of the combined mining of thin seams under the close gob water was evaluated. 根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。
- Adopting gob_side entry and packing wall in the middle road at double_unit face in thin seam are introduced, and the economic benefit is analyzed. 薄煤层对拉工作面中巷采用沿空留巷、砌充填墙的维护方法,并进行了经济效益分析。
- Water-coal mixture burst is a new mine disaster in exploiting steeply inclined thick coal seam mining. 摘要急倾斜厚煤层开采时发生的水煤体溃泄是一种新的矿井灾害。
- Through analysing the parameters,construction,designing principle of MG300BW type thin seam coal winning,this paper discusses its developing vista in extremum thin seam winning. 通过对MG300BW型薄煤层采煤机的参数、结构设计原理进行分析,论述在薄煤层开采中的发展前景。
- Abstract: The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 文摘:分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素,探讨了预防煤层的自燃着火的开采技术措施。
- The paper introduced the development, design and structure of the thin seam coal shearer with an electric magnetic sliding differential speed control in detail. 详细介绍了电磁滑差调速薄煤层采煤机的开发设计思路、结构特点;
- The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素,探讨了预防煤层的自燃着火的开采技术措施。
- In the process of Shanxi formation seam mining in Shaqu Colliery,the seam roof and floor sandrock aquifers constitute the direct discharge aquifers. 沙曲煤矿山西组煤层开采过程中,煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
- Intoduces that uses breeding fire prevent and cure technology to reduce distribution air volume, quicken workface promoted speed, in high seam mining, it may remove breeding fire accidents in roadway. 介绍了厚煤层开采中采用减少配风量、快工作面推进速度、少采空区遗煤、空区灌浆、氮、采结束的采空区防火技术,能够消除巷道自燃发火事故。
- Thin Seam Coal Mining of Steep Slope and Short Distance 急倾斜近距离薄煤层的开采
- Based on the recent years mining practice,study the technical management problems in thick seam mining,accumulate some actual experiences in roof management in thick seam,adopt the efficient technical measures and achieve the good result. 通过多年的开采实践 ,作者着重研究了厚煤层开采的技术管理问题 ,在厚煤层开采顶板管理方面积累了一些实际经验 ,采取了行之有效的技术措施 ,收到了较好的效果
- In this paper,the experiment of mining following cutting rock fill with level delamination and cementation floor for inclined seam mining in Maozaiwan mine area,Tongshanling Mine is introduced. 介绍了水平分层胶结底板上向分采充填法在铜山岭矿猫崽湾矿区倾斜极薄矿脉中的开采试验情况。
- The paper introduces the features and application of some coal-getting equipment for thin seams,gives point to the development of shearers. 介绍我国几种薄煤层开采设备的特点和应用,重点介绍滚筒采煤机的发展状况。
- Intoduces that uses breeding fire prevent and cure technology to reduce distribution air volume,quicken workface promoted speed,in high seam mining,it may remove breeding fire accidents in roadway. 介绍了厚煤层开采中采用减少配风量、加快工作面推进速度、减少采空区遗煤、采空区灌浆、注氮、回采结束的采空区防火技术,能够消除巷道自燃发火事故。