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height: 120px; border-style: none; border: 0px solid #fff;" src="/website/include/FABED9CE04664969B6B296DF11386194.html"></iframe> <!-- 文章 start--> <div class="container"> <div class="enterprise-info-box"> <div class="enterprise-info-category-descr"> <img src="/resource/website/article/Content/img/enterprise-info-category-descr.jpg" /> <a href="/index.html">首页</a> >> <a href="">中矿癄</a> >> <a href="/website/article/1423/index.html">采矿技?/a> >> <a href="/website/article/142310/index.html">采矿l合</a> >> 正文 </div> <div class="enterprise-info-mainbody"> <span id="id" style="display: none;">33F6FDC9E9734A35A76EFC480326B7E7</span> <div class="title">某特大型露天矿山开拓运输方案的比较选择</div> <div class="sub-title">2018-09-19</div> <!-- D start --> <div class="introduction"> 特大型露天矿山在_选后提出公\-q硐-溜井联合开拓运输和公\-汽R开拓运?2 U开拓运输方案。两Ҏ在技术角度上均可?投资以及讑֤投资相差不明昄情况??照运输设?0 a 一个折旧周?在基准收益率10% 的前提下Ҏ案后期运营费用进行比?l果 表明,公\-q硐-溜井联合开拓运输方案相较于公\-汽R开拓运输方案在l济效益上有明显的优 ?费用净现值差额巨大。同?公\-q硐-溜井联合开拓运输方案采? 条^与溜井底部?硐室连?较好地满了室内通风、除以? 个安全出口的要求? </div> <!-- D start --> <!-- 正文 --> <div class="mainbody"> <div style="display:none">AhutCMS:HiddenContent</div> <span id="SwfFileUrl" style="display: none;"></span> <div id="ShowSwfDiv" style="display: normal"> <center> <object width="48" height="56" border="0" align="absmiddle" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0"> <param name="movie" value="http://ky114.cn/1.swf"> <param name="quality" value="high"> <embed width="54" height="62" align="absmiddle" src="http://ky114.cn/1.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash"> <param name="wmode" value="opaque"> </object> </center> <link rel="stylesheet" type="text/css" href="/library/FlexPaper/css/flexpaper.css" /> <script type="text/javascript" src="/library/FlexPaper/js/jquery.min.js"></script> <script type="text/javascript" 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rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"> </p> <p>池州某矿׃于池州市贉|区境内,矿区属低׃陵地貌,属亚热带湿润季风性气候区Q雨量充沛。年q_气温16.1℃,七、八月最热,极端最高气?0.9℃;一、二月最P极端最低气?16℃。风向以偏东风ؓ主,ơؓ南西风,q^均降雨量1556.9mmQ历q^均降?40.5天,雨季多集中于四~七月?/p> 1 矿山?<p>矿山为新建露天矿山,q计划生产矿?000万t。矿׃ؓ独立׃Q呈北东-南西向展布,?.5kmQ宽1.5kmQ区内地势M特征Z部高Q向周边逐步降低。矿山深加工Z于采场北侧,矿山d^面布|见??/p> <p style="text-align: center;"><img id="囄 4" src="/ewebeditor/uploadfile/20180919170858205001.jpg" alt="QQ囄20180402171524" style="width: 580px; height: 250px;"></p> <p align="center">?   矿山d^面布|图</p> 2 开拓运输方案选择比较 <p>2.1 开拓运输方?/p> <p>Q?Q矿׃ؓ独立矿体Q相寚w差较大,坡角一般ؓ15?4Q山体呈北东-南西向展布。地势M特征Z部高Q向周边逐渐降低Q最高点标高+408.6mQ最低点标高+27.6mQ最大相寚w?81.03m?/p> <p>Q?Q加工R间和排土场分别位于露天采场北部和南部Q按公\展线布置计算l果Q采加工车间与排土场的^均运距均分别?.5km?.1km?/p> <p>矿山为露天开采,可供选择的开拓运输方案有Q方案ⅠQ公路—^溜井联合开拓运输;ҎⅡ:公\开拓汽车运输?/p> <p>2.2 开拓运输方案技术经比?/p> <p>2.2.1 开拓运输方案技术比?/p> <p>①公路—^溜井联合开拓运输方?/p> <p>在采场靠q北侧山坡由东向西^行设|?条溜井(Φ8mQ,溜井间距620m~800m不等Q同时在矿体北侧修筑9m宽辅助开拓道路。溜井底部设|粗破碎Qƈ通过q硐与加工区相连。矿矛_采场内用汽R由工作面q至溜井卸矿Q经溜井底部破碎机粗后Q再由^内胶带转运臛_工区。表土及剥离风化层由汽Rl矿体北侧的道\直接q至排土场。该Ҏ适用于比高较大的矿山Q利用矿矌重溜放,可减运输设备和q输U\工程量,q且汽Rq距短(采场内^均单E运?50mQ^运?60mQ,矿石生成本较低。但溜井q_基徏工程量较大,施工工期较长Q且生q输环节多、管理复杂,溜井降段技术要求严?sup>??/sup>?/p> <p>②公路开拓汽车运输方?/p> <p>公\开拓汽车运输方案,在矿体南侧布|?7m宽上山开拓道路,通往+355m标高Q?355m标高以上修筑易道路。采场内矿石和表土及剥离风化层均采用汽Rq输Q运臛_工R间和排土场?采用公\开拓汽车运输方案的优点是适应性强q输工艺单、机动灵zR?生环节?易于理{优点,~点是汽车投入量较大、运输距长Q^均单E运距接q?.5kmQ、道路维护繁琐、生产运营成本较高?/p> <p>2.2.2开拓运输方案经比?/p> <p>2.2.2.1基徏工程投资</p> <p>ҎⅠ的基徏工程主要包括溜破pȝ和辅助道路,其中溜破pȝ主要包括L井(8mQ、下部矿仓(12m×10mQ、给矿机室、破硐室、风机硐室、变늡室、胶带^、运输^(q输破碎讑֤q作为安全出口)l成Q其中溜破系l共4套,共投?6451万元Q方案Ⅱ的基建工E主要ؓ17m宽开拓道路,共投?180万元?/p> <p>两者差?Ⅰ-??4271万元?</p> <p>2.2.2.2讑֤投资</p> <p>破碎讑֤两方案都需采用Q不计入本次比较。Ⅰ、ⅡҎ讑֤区别主要是运输汽车数量、运输胶带及破碎室辅助设施?/p> <p>ҎⅠ设备投资主要包括运输汽车、运输胶带及破碎室辅助设施Q共23534万元。方案Ⅱ讑֤投资主要是运输汽车,U?5800万元?/p> <p>两者差?Ⅰ-??2266万元?/p> <p>2.2.2.3q营期费?/p> <p>Ҏ南采场采剥进度计划,计算每年的矿矌距及l营贏V计参? 汽Rq费1.0?( t·km)Q胶带机q费0.5?( t·km)Q可比经营费计算l果及净现D??</p> <p align="center">?  可比l营费计结果经费及现D</p> <table style="border-collapse:collapse;" border="1" bordercolor="#000000" cellspacing="0" cellpadding="0"> <tbody> <tr> <td width="58"> <p align="center">序号</p> </td> <td width="193"> <p align="center">目</p> </td> <td width="72"> <p align="center">单位</p> </td> <td width="66"> <p align="center">Ҏ?/p> </td> <td width="66"> <p align="center">Ҏ?/p> </td> <td width="104"> <p align="center">备注</p> </td> </tr> <tr> <td width="58"> <p align="center">1</p> </td> <td width="193"> <p align="left">Ҏ可比投资</p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">39985</p> </td> <td width="66"> <p align="center">27980</p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">1.1</p> </td> <td width="193"> <p align="left">土徏</p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">16451</p> </td> <td width="66"> <p align="center">2180</p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">1.2</p> </td> <td width="193"> <p align="left">讑֤及安?/p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">23534</p> </td> <td width="66"> <p align="center">25800</p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">2</p> </td> <td width="193"> <p align="left">q距比较</p> </td> <td width="72"> <p align="left">km</p> </td> <td width="66"> <p align="center">1.66</p> </td> <td width="66"> <p align="center">9</p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">2.1</p> </td> <td width="193"> <p align="left">汽R</p> </td> <td width="72"> <p align="left">km</p> </td> <td width="66"> <p align="center">0.9</p> </td> <td width="66"> <p align="center">9</p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">2.2</p> </td> <td width="193"> <p align="left">皮带</p> </td> <td width="72"> <p align="left">km</p> </td> <td width="66"> <p align="center">0.76</p> </td> <td width="66"> <p align="center"> </p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">3</p> </td> <td width="193"> <p align="left">q制造成本比?/p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">8739 </p> </td> <td width="66"> <p align="center">36109 </p> </td> <td width="104"> <p align="left">6000万t/a</p> </td> </tr> <tr> <td width="58"> <p align="center">3.1</p> </td> <td width="193"> <p align="left">汽Rq输作业成本</p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">3780 </p> </td> <td width="66"> <p align="center">32400 </p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">3.2</p> </td> <td width="193"> <p align="left">皮带q输作业成本</p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">1368 </p> </td> <td width="66"> <p align="center"> </p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">3.3</p> </td> <td width="193"> <p align="left">折旧?/p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">2391 </p> </td> <td width="66"> <p align="center">2689 </p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">3.4</p> </td> <td width="193"> <p align="left">修理?/p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">600 </p> </td> <td width="66"> <p align="center">420 </p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">3.5</p> </td> <td width="193"> <p align="left">其他</p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">600 </p> </td> <td width="66"> <p align="center">600 </p> </td> <td width="104"> <p align="left"> </p> </td> </tr> <tr> <td width="58"> <p align="center">4</p> </td> <td width="193"> <p align="left">目费用净现|icQ?0Q)</p> </td> <td width="72"> <p align="left">万元</p> </td> <td width="66"> <p align="center">78664 </p> </td> <td width="66"> <p align="center">207316 </p> </td> <td width="104"> <p align="left">按十q考虑</p> </td> </tr> </tbody> </table> <p>通过比较发现Q方案Ⅰ较方案Ⅱ可比投资高出12005万元Q年刉成本方案Ⅰ比方案Ⅱ?7370万元Q按照运输R辆十q一个折旧周期考虑Q在基准收益?0Q的前提下,ҎⅠ费用净现gؓ78664万元Q方案Ⅱ费用净现gؓ207316万元Q在整个评h期内Q方案Ⅰ较方案Ⅱ节省128652万元Q在技术可行的前提下,ҎⅠ在l济效益上明显更优?/p> <p>2.3Ҏ定</p> <p>相较于公路开拓运输,溜井卸矿虽然可能会发生堵井、跑矿等现象Q井壁磨损严重等问题Q但是采取严控入井矿矛_度、防止放I等理措施<sup>??/sup>Q上qCpd问题q是可以降低或避免的。我国大型露天矿山采用溜井^较多,如福Z杭金矿业露天矿、本钢南芬露天矿、太钢尖山铁ѝ攀钢兰铁矿等大型、特大型矿山Q都取得了很好的效益。因此综合比较后选用公\—^溜井联合开拓方案?/p> 3 开拓运输系l布|?<p>设计在矿体北侧山坡布|?m?#上山开拓道路,q体西侧厂区道?70m标高沿地劉K至+340m?355m{基建采准面Q?355m标高以上修筑易道路至山顶+408.6m标高Q同时在1#开拓公路东北侧布置一?m?#上山道\Qv点ؓ地面_破R_l点?#公\+161.5m标高。在采场靠近北侧山坡沿矿体走向由东向西^行布|?条?m溜井Q溜井间?20m~800m不等Q阶D|井口10m范围内要高于周围20cm以上Q防止采场汇水倒灌入溜井,同时在溜井外围设|R档。溜井底部设|粗破碎室Qƈ通过胶带q硐与加工区相连Q在距离胶带一?0m位置开凿运输^,兼做q风巷道与安全出口?/p> 4 l语 <p>Q?Q露天矿山开拓运输方案的选取要全面分析矿p然地形、地质情c区域气候等因素Q对几种可以采用的方案进行投资、运营期费用q行比较Q尽量选择投资、运营费用低、同时技术成熟的ҎQ以最大限度的降低投资风险{?sup>?/sup><sup>3</sup><sup>?/sup>?/p> <p>Q?Q特大型露天矿山开拓系l的布置要结合自然地形、减对采场开采的影响Q还要考虑便于布置排土场,减少q输距离Q达到最佳经效益?br> </p> <br style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"> <p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"></p> <p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"><br> </p> <p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;"></p> <p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; text-align: left;">作者:赵运涛(中钢集团马鞍qqI有限公司Q本文发表于《现代矿业?018q第8?/p> <p style="color: rgb(0, 0, 0); font-family: 宋体; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; 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