?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 川煤集团l水z煤业公司攻克“急倾斜煤层l采成套技术”填补了(jin)国内I白-煤炭资讯|?/TITLE><LINK href="/css/wh.css" type=text/css rel=stylesheet> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <META content=煤炭|?name=Author> <META content="Copyright 2004-2005 煤炭资讯|所? name=Copyright> <META content="煤矿,煤矿|?煤炭|?清R?光电(sh)型全自动矿用清R?二手讑֤,煤炭供求,煤矿机电(sh)讑֤,煤矿新闻,煤矿人才,煤业技?校友?煤h(hun)旬报,技术论?襉K煤炭|?国际能源|?全球能源|?世界能源|?国家能源|?国际煤炭|?国际?sh)力|?国际xa(b)|?国际天然气网,国际新能源网,国际能源投融资网,能源U技,能源人物,能源要闻,能源安全,能源情报,能源危机,能源?jng)?能源企业,能源黄页,能源l计,能源专家,能源|聚世界能源资讯,服务全球能源企业" name=keywords> <META content="煤炭资讯|? name=description> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://ducatiukracing.com/">免费人成年激情视频在线观看,国产精品,精品一级影院在线播放,真实强奷在线中文</a></h1> <div 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target=_blank>煤炭资讯|?/A></TD> <TD width=382>2008-1-14 12:10:03    <A href="http://ducatiukracing.com/MroeNews.aspx">要闻</A></TD></TR> <TR> <TD colSpan=2 class="newsContent"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML> <HEAD> <title>川煤集团l水z煤业公司攻克“急倾斜煤层l采成套技术”填补了(jin)国内I白    本网?Q由四川煤炭产业集团l水z煤业公司承担的我国“急倾斜煤层l采成套技术研I?rdquo;利通过川煤集团验收。这是我国攻克世界性急倾斜采煤l采的一Ҏ(gu)术难题?br />
   2007q初Q绿水洞煤业公司井下5654工作面最大倾角?5-58度,一般倾角均在55度左叻I煤层厚度?.5m-3.5m之间Q走向长?400余米Q工作面倾斜?30c?hellip;…

   专家_(d)在这么大的急倾斜地质条g采煤Q在我国采煤历史上、乃至世界煤炭开采时史都是少见的?br />
   Z(jin)dq一前所未有的综采难题,l水z煤业公司成立了(jin)专门?ldquo;急倾斜目研究l?rdquo;。通过几个月的艰辛劳作Q?007q?月,急倾斜目研究l自ȝ制的ZJ3600-15/36型急倾斜四立柱支撑掩护式液压支架和ZTHJ11400/15/23型急倾斜端头支架Q优?ldquo;三机”配套Ҏ(gu)Q在5654工作面进行实验。通过_ֿ(j)l织实施Q不断完善改q设备性能以及(qing)优化开采工艺,成功解决?jin)急倾斜煤层l采q输机及(qing)液压支架防滑Q架前挡矔R自动升降液压pȝ有效保障工作面防飞矸伤hQ下部端头支护和人员安全{技术难题,实现?jin)急倾斜煤层l合机械化开采综合工艺,填补?jin)国内空白,d?jin)行业世界性难题?br />
   Ҏ(gu)北京国家煤矿支护讑֤(g)中?j)资料显C:(x)该项目研I成功的急倾斜l采液压支架是中国第一架具有自ȝ识权的急倾斜四立柱支撑掩护式液压支架。极大地提高?jin)我国在复杂煤层开采煤炭的安全性和产能Q有效地保证?jin)开采急倾斜煤层安全、高产、高效、高回收率,使急倾斜l厚煤层的煤炭回收率?0%?br />
   图ؓ(f)Q该公司机电(sh)副d和采煤一队队长现x倾斜l采技术难题即景?nbsp;                            
 

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