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关于我国破解世界性煤矿平安综合开采难题 我国破解世界性煤矿平安综合开采难题 英文标题our country defeats solution cosmopolitan colliery safety extracts integratedly difficult problem 文章标号uk5h 文章级别硕士论文 本篇论文剩余部分，请联系九旭论文代写网站客服qq论文写作1210196822 论文发表 739878127 论文咨询1210196822②,联系电话013155803009。 关键词 梗概 日前,在淮南召开的“低透气性煤层群无煤柱煤和瓦斯共采关键技术推广会”上发布了中国在煤矿平安开采和瓦斯治理领域的这项最新技术,宣告破解非凡地质环境下煤矿平安综合开采的世界性难题。“低透气性煤层群无煤柱煤和瓦斯共采关键技术”是煤矿平安高效开采领域的一项重大技术革命,它解决了中国乃至世界范围内,在煤矿高瓦斯、高地应力、低透气性煤层群开采条件下的平安高效开采技术难题,保证了高瓦斯煤矿采煤工作面的平安生产,实现了煤和瓦斯共采,采煤和瓦斯治理的成本大大降低,提高了煤炭资源回收率,彻底改善了煤矿平安状况。有数据显示,这项技术的应用使淮南矿业集团创造了沿空留巷综采月产36万吨的世界纪录,采区的瓦斯抽采率高达70以上,百万吨死亡率从4.01降至0.15,采煤机械化程度从28提高到91。经专家认定,这项技术已经达到国际领先水平,申请专利7项。由于中国70左右的矿区均处在低透气性、高瓦斯、高地应力煤层群条件下,因此大多数矿区都可以从此项技术中获益,即利用煤层群开采条件首先开采关键卸压层,采用无煤柱连续开采技术实现全面卸压开采,增加煤层透气性,抽采卸压瓦斯,消除煤柱应力集中,真正消除瓦斯威胁。摘自新华网我国破解世界性... 英文梗概 a few days ago, those who hold is in south the huaihe river “ low permeability coal-bed group coal of the column that do not have coal and gas collect crucial technology promotion to meet in all “ on released china to extract in colliery safety this latest technology that administers a territory with gas, declare broken solution is special and geological the cosmopolitan difficult problem that safety of the colliery below the environment extracts integratedly. “low permeability coal-bed group coal of 上一页 1 2 3 下一页 the column that do not have coal and gas adopt crucial technique in all “ it is colliery safety revolution of a of efficient mine field great skill, it was solved china and even worldwide inside, in coal-bed of stress of colliery expensive gas, upland, low permeability group the safe and efficient exploitation below field condition technical difficult problem, assured the safe production of working face of coal mining of expensive gas colliery, realized coal and gas to be collected in all, coal mining and the cost that gas administers are reduced greatly, raised coal natural resources to reclaim rate, improved colliery safety condition thoroughly. data shows, the application of this technology makes group of the mining industry austral the huaihe river created edge sky to leave alley put together to collect the world record that produces per month 360 thousand tons, the gas that gathers an area is smoked collect rate be as high as 70 above, 1 million tons of mortality from 4.01 fall to 0.15, degree of coal mining mechanization from 28 rise 91 . classics expert is maintained, this technology has achieved international banner level, patent application 7. because 70 right-and-left mining area of chinese all lie coal-bed of stress of low permeability, expensive gas, upland group below the condition, because this is most mining area is ok from now on the benefit in the technology, use coal bed namely group field condition extracts crucial discharge presses a layer above all, 上一页 1 2 3 下一页
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