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- Practice and discussion of roof management in thin seam working face 薄煤层工作面顶板管理实践与探讨
- thin seam working face 薄煤层
- Research and application of crossing fault technology in thin seam recovery working face 簿煤层回采工作面过断层技术研究与应用
- The optimum design of blasting working face with high output high frequency in thin seam 高产高效薄煤层炮采工作面优化设计
- 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
- Ways and measures of medium thick seam working face crossing fault 中厚煤层工作面过断层的方法与措施
- Head face roof control technology in very complex structure seam working face 极复杂构造煤层工作面端面顶板控制技术
- Roof Maintenance of "Three-soft" Coal Seam Working Face End of Fully mechanized Coal Winning Technology with Caving "三软"煤层综放工作面端面顶板维护
- Practice of Support in the Air Return Roadway and the Loose Coal Seam Working Face with High-Methane 高瓦斯极松软煤层工作面及上风巷支护实践
- Treatment on easy sporitaneous five seam working face air in comer gas over- limit 易自燃煤层采煤工作面进风隅角瓦斯超限的治理
- Practice of comprehensive mining precedure in waste - sandiwich seam working face 含夹矸薄煤层工作面综采工艺实践
- Numerical simulation for geometrical shapes'effect on strata behaviors in heavy grade seam working face 采面形状对大倾角煤层采面矿压显现的影响
- 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。
- The No.12404 working face of Daliuta coalmine has a shallow buried coal seam under thick loosened aquifer with only thin bedrock there under,and the Muhe runnel flowing across on the surface. 大柳塔煤矿12404工作面煤层埋深浅、上覆基岩薄、松散含水层厚,地表让有母河沟横过。
- 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。
- 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。
- 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。
- 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;
- This enabled them to run transport cars right up to the work face. 这使他们能把运煤车一直开到工作面。
- Stripper face must extend 1/8” below working face of punch. 脱料板下表面至少比冲子工作面高出1/8”。
