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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/1418/index.html">选矿试验及工?/a> >> <a href="/website/article/141820/index.html">有色金属?/a> >> 正文 </div> <div class="enterprise-info-mainbody"> <span id="id" style="display: none;">AF4FA72CCDFE4F7F9E4EEC13C314DAA6</span> <div class="title">车河选矿厂铅锑Q选工艺流E优化改造实?/div> <div class="sub-title">2018-09-18</div> <!-- D start --> <div class="introduction"> 针对q西华锡集团股䆾有限公司车河选矿厂存在铅锑金属归队率低、铅锑Q选作业回收率低、铅锑精矿质量L动大{问题,通过取消锌Q选中矿返回浓密池、新增一_三_选工艺、新增铅锑精矿灵zd口等攚w措施,攚w后程更具有灵zL,更适应矿石性质的变化,佉K锑金属回收率由改造前?1.23%提高C66.20%Q经效益显著? </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" src="/library/FlexPaper/js/flexpaper.js"></script> <div id="SwfDocumentViewer" class="flexpaper_viewer" style="position: relative; padding: 0px; width: 100%; height: 800px"></div> <script type="text/javascript"> $('#SwfDocumentViewer').FlexPaperViewer({ config: { SWFFile: '', Scale: 0.6, ZoomTransition: 'easeOut', ZoomTime: 0.5, ZoomInterval: 0.1, FitPageOnLoad: false, FitWidthOnLoad: true, FullScreenAsMaxWindow: false, ProgressiveLoading: false, MinZoomSize: 0.2, MaxZoomSize: 5, SearchMatchAll: true, InitViewMode: '', RenderingOrder: 'flash,html', StartAtPage: '', ViewModeToolsVisible: true, ZoomToolsVisible: true, NavToolsVisible: true, CursorToolsVisible: true, SearchToolsVisible: true, WMode: 'transparent', localeChain: 'en_US' } }); </script> </div> <script type="text/javascript"> var swfurl = document.getElementById("SwfFileUrl").innerHTML.toString().trim(); if (swfurl === "") { document.getElementById("ShowSwfDiv").innerHTML = ""; } </script> <div> <p> </p> <p align="left"> </p> <p align="left">  前言</p> <p align="left">q西华锡集团股䆾有限公司车河选矿厂处理矿石ؓq西大厂矿田长坡矿床(包括l脉带?1<sup>#</sup>?2<sup>#</sup>?矿石Q属锡石多金属硫化矿。矿石中有用矿物U类J多Q结构复杂, 主要矿物有锡矟뀁铁闪锌ѝ脆锑铅矿、黄铁矿、磁黄铁ѝ毒砂及量的闪锌矿、方铅矿、黄铜矿、黝锡矿。脉石矿物主要ؓ矌和方解石Q铅锑金属主要赋存在脆硫锑铅矿中。随着矿石的深入开采,矿石日益贫杂化,原有的工艺流E已不适应原矿性质的变化,造成铅锑金属回收率低。选矿厂围l金属归队、作业效率、品质量等斚w对原生工艺程q行优化攚w,攚w后铅锑金属回收率明显提高?/p> <p align="left">1  矿石性质</p> <p align="left">车河选矿厂铅锑金属矿物主要来自选矿一二R间的各段q选作业的化矿沫中Q硫化矿泡沫l磨矿分U后溢流q入?锌分LQ选作业。对铅锌分离l矿多元素分析及_度分析分别见表1、表2?span style="font-size: 9pt;"> </span></p> <p align="left">?             铅锌分离l矿多元素分析结?%</p> <table style="border-collapse:collapse;" border="1" bordercolor="#000000" cellspacing="0" cellpadding="0"> <tbody> <tr> <td width="46"> <p align="left">元素</p> </td> <td width="46"> <p align="center">Sn</p> </td> <td width="46"> <p align="center">Pb</p> </td> <td width="46"> <p align="center">Sb</p> </td> <td width="50"> <p align="center">Zn</p> </td> <td width="50"> <p align="center">S</p> </td> <td width="46"> <p align="center">As</p> </td> <td width="46"> <p align="center">CaO</p> </td> <td width="46"> <p align="center">Fe</p> </td> <td width="50"> <p align="center">Cu</p> </td> <td width="50"> <p align="center">SO<sub>2</sub></p> </td> </tr> <tr> <td width="46"> <p align="left">含量    </p> </td> <td width="46"> <p align="center">0.30</p> </td> <td width="46"> <p align="center">0.77</p> </td> <td width="46"> <p align="center">0.66</p> </td> <td width="50"> <p align="center">7.87</p> </td> <td width="50"> <p align="center">24.56</p> </td> <td width="46"> <p align="center">2.63</p> </td> <td width="46"> <p align="center">2.15</p> </td> <td width="46"> <p align="center">30.07</p> </td> <td width="50"> <p align="center">0.08</p> </td> <td width="50"> <p align="center">8.62</p> </td> </tr> </tbody> </table> <p align="left"> </p> <p align="left">?            铅锌分离l矿_度分析l果/%</p> <table style="border-collapse:collapse;" border="1" bordercolor="#000000" cellspacing="0" cellpadding="0" align="left"> <tbody> <tr> <td width="105" rowspan="2"> <p align="center">_(mm)</p> </td> <td width="70" rowspan="2"> <p align="left">  产率</p> </td> <td width="182" colspan="3"> <p align="left">品位</p> </td> <td width="168" colspan="3"> <p align="left">分布?/p> </td> </tr> <tr> <td width="63"> <p align="center">Pb</p> </td> <td width="63"> <p align="center">Sb</p> </td> <td width="56"> <p align="center">Zn</p> </td> <td width="56"> <p align="center">Pb</p> </td> <td width="56"> <p align="center">Sb</p> </td> <td width="56"> <p align="center">Zn</p> </td> </tr> <tr> <td width="105"> <p align="center">Q?.1</p> </td> <td width="70"> <p align="center">14.75 </p> </td> <td width="63"> <p align="center">0.30</p> </td> <td width="63"> <p align="center">0.22</p> </td> <td width="56"> <p align="center">8.01</p> </td> <td width="56"> <p align="center">5.78</p> </td> <td width="56"> <p align="center">4.90</p> </td> <td width="56"> <p align="center">15.02</p> </td> </tr> <tr> <td width="105"> <p align="center">+0.074</p> </td> <td width="70"> <p align="center">0.56 </p> </td> <td width="63"> <p align="center">0.40</p> </td> <td width="63"> <p align="center">0.31</p> </td> <td width="56"> <p align="center">8.96</p> </td> <td width="56"> <p align="center">0.29</p> </td> <td width="56"> <p align="center">0.26</p> </td> <td width="56"> <p align="center">0.64</p> </td> </tr> <tr> <td width="105"> <p align="center">+0.O74(水析Q?/p> </td> <td width="70"> <p align="center">40.78 </p> </td> <td width="63"> <p align="center">0.61</p> </td> <td width="63"> <p align="center">0.55</p> </td> <td width="56"> <p align="center">8.12</p> </td> <td width="56"> <p align="center">32.47</p> </td> <td width="56"> <p align="center">33.86</p> </td> <td width="56"> <p align="center">42.08</p> </td> </tr> <tr> <td width="105"> <p align="center">+0.037</p> </td> <td width="70"> <p align="center">13.48 </p> </td> <td width="63"> <p align="center">0.70</p> </td> <td width="63"> <p align="center">0.69</p> </td> <td width="56"> <p align="center">8.36</p> </td> <td width="56"> <p align="center">12.32</p> </td> <td width="56"> <p align="center">14.04</p> </td> <td width="56"> <p align="center">14.32</p> </td> </tr> <tr> <td width="105"> <p align="center">+0.019</p> </td> <td width="70"> <p align="center">8.32 </p> </td> <td width="63"> <p align="center">1.21</p> </td> <td width="63"> <p align="center">1.04</p> </td> <td width="56"> <p align="center">13.56</p> </td> <td width="56"> <p align="center">13.14</p> </td> <td width="56"> <p align="center">13.06</p> </td> <td width="56"> <p align="center">14.34</p> </td> </tr> <tr> <td width="105"> <p align="center">+0.010</p> </td> <td width="70"> <p align="center">6.05 </p> </td> <td width="63"> <p align="center">0.87</p> </td> <td width="63"> <p align="center">0.63</p> </td> <td width="56"> <p align="center">9.25</p> </td> <td width="56"> <p align="center">6.87</p> </td> <td width="56"> <p align="center">5.75</p> </td> <td width="56"> <p align="center">7.11</p> </td> </tr> <tr> <td width="105"> <p align="center">-0.010</p> </td> <td width="70"> <p align="center">16.06 </p> </td> <td width="63"> <p align="center">1.39</p> </td> <td width="63"> <p align="center">1.16</p> </td> <td width="56"> <p align="center">3.18</p> </td> <td width="56"> <p align="center">29.14</p> </td> <td width="56"> <p align="center">28.12</p> </td> <td width="56"> <p align="center">6.49</p> </td> </tr> <tr> <td width="105"> <p align="center">合计</p> </td> <td width="70"> <p align="center">100 </p> </td> <td width="63"> <p align="center">0.77</p> </td> <td width="63"> <p align="center">0.66</p> </td> <td width="56"> <p align="center">7.87</p> </td> <td width="56"> <p align="center">100</p> </td> <td width="56"> <p align="center">100</p> </td> <td width="56"> <p align="center">100</p> </td> </tr> </tbody> </table> <p align="left">    </p> <p align="left"> </p> <p align="left"> </p> <p align="left"> </p> <p align="left"> </p> <p align="left"> </p> <p align="left"> </p> <p align="left"><span style="font-size: 9pt;">2  程介及存在的问?/span></p> <p align="left">2.1  程?/p> <p align="center">车河选矿厂选矿工艺采用“重一一重”的原则程Q铅锑金属主要赋存在脆硫锑铅矿中Q而脆锑铅矿又集中在选矿厂各q选作业的化矿沫中Q硫化矿泡沫l磨矿分U后Q通过?锌、铅?分?/p> <p align="left">选工得最l铅锑精ѝ铅-?分LQ选工艺流E如?所C?span style="font-size: 9pt;"> </span></p> <p> </p> <p align="center"><img src="/ewebeditor/uploadfile/20180918155140669001.png" style="width: 648px; height: 472px;"></p> <p align="center">? 攚w前??分d艺流E图</p> <p align="left">2.2  程存在的问?/p> <p align="left">Q?Q铅锑金属归队率低。由于矿x质贫杂化后Q有用矿物结晶粒度变l,需要细才以辑ֈ单体解离Q而细带来的不利因素是含泥量增加Q因此锌选精选作业石灰用量也要相应的增加才能够确保锌_质量合格。由于锌选精选Ⅰ不是q回_选作业,而是q回厂后Ф18cx密池q进行再后q回程中,造成锌脱杂Q选作业PH值偏高,PH值在9-10之间QPH值偏高媄响脆锑铅矿的上,造成锌脱杂Q选作业的铅锑金属作业回收率低Q进而造成归入铅锑选作业的铅锑金属归队率低?/p> <p align="left">Q?Q铅锑Q选作业回收率低。随着铅锑选的l矿_度变细Q含泥量增加Q原一_四_二扫共10槽(不含搅拌槽)选槽的Q选工艺已无法适应当前矿石性质的变化,当前的铅锑Q选最佛_选浓度是保持?0-15%Q而原工艺存在的主要问题是_选作业容U小Q给矿浓度均?0%以上Q不利于矿物与矿泥的分离Q操作上d补加水硬性降低给矿浓度将造成_选负药大,选别效果不佳QQ选作业回收率低?/p> <p align="left">Q?Q铅锑精矿质量L动大。生产过E中矿石性质随时都在不断的变化中Q矿x于选别Ӟ铅锑_质量普遍较高Q质量与产量是一个此消彼长的关系Q质量偏高意味着产量偏低Q原工艺有四ơ精选作业,_N次数多Q不利于铅锑_产量与质量的q?/p> <p align="left">3  攚w措?/p> <p align="left">Q?Q取消锌选中矿返回浓密池。通过取消锌Q选中矿返回厂后?8cx密池Q中矿q回至粗扫选作业进行选别Q切断石灰矿返回厂后?8cx密池Q降低锌脱杂选给矿的PH?攚w后程见图2)。改q后Q锌脱杂选给矿的PH值由9-10降低?-8Q锌脱杂选的铅锑金属作业回收率由69.85%提高?2.42%Q归入铅锑Q选的铅锑金属归队率由57.35%提高?2.50%?/p> <p align="left">Q?Q新增一_三_选工艺。保持原工艺不变的基上,在原闲置的洗选作业Q选槽的位|上重新安装4个沫槽Q新增一_三_օ6槽Q选槽的Q选工艺,以此来扩大粗选容U,便于降低铅锑选给矿浓?Q同时新增一个精矿出口。即新增一ơ选别作业Q将易Q的脆锑铅矿优先选别Q难的l入原Q选作业进行选别Q提高铅锑Q选作业效?攚w后程见图2)Q改q后铅锑金属作业回收率由87.60%提高?5.80%?/p> <p align="left">Q?Q新增铅锑精矿灵zd口。在原有四次_N作业的_NⅡ泡沫槽底部新增一个铅锑精矿灵zd口,_灉|出口可灵zd用,在铅锑精矿质量偏高时Q可启用该出口,关闭_NⅡ泡沫槽原泡沫q浆口,停开_NⅢ及精选Ⅳ作业Q降低能耗,提高产量Q在铅锑_质量低时又可关闭该出口,启用_NⅡ泡沫槽原泡沫q浆口,恢复四次_N,E__质量?/p> <p align="center"><img src="/ewebeditor/uploadfile/20180918155140445002.png" style="width: 648px; height: 459px;"></p> <p align="center">? 攚w后??分d艺流E图</p> <p>4  攚w效?/p> <p align="center">?  2016q??2月铅锑金属回收率情况   %</p> <table style="border-collapse:collapse;" border="1" bordercolor="#000000" cellspacing="0" cellpadding="0" width="72%"> <tbody> <tr> <td width="15%"> <p align="center">程</p> </td> <td width="13%"> <p align="center">旉</p> </td> <td width="23%"> <p align="center">原矿铅锑品位 </p> </td> <td width="23%"> <p align="center">铅锑_品位 </p> </td> <td width="25%"> <p align="center">铅锑金属回收?</p> </td> </tr> <tr> <td width="15%"> <p align="center">攚w前</p> </td> <td width="13%"> <p align="center">2016.1-3</p> </td> <td width="23%"> <p align="center">0.41</p> </td> <td width="23%"> <p align="center">29.78</p> </td> <td width="25%"> <p align="center">51.23</p> </td> </tr> <tr> <td width="15%"> <p align="center">攚w后</p> </td> <td width="13%"> <p align="center">2016.4-12</p> </td> <td width="23%"> <p align="center">0.36</p> </td> <td width="23%"> <p align="center">35.53</p> </td> <td width="25%"> <p align="center">66.20</p> </td> </tr> </tbody> </table> <p align="left">p3可知Q改造后铅锑金属回收率提高了14.90个百分点Q在原矿铅锑品位降低的情况下Q铅锑精矿质量提高了5.75个百分点Q铅锑金属回收率及精矿质量都得到了明昄提高Q经效益显著?/p> <p align="left">5  l??/p> <p align="left">(1) 生实践表明QR河选矿厂通过取消锌Q选中矿返回,可有效解决锌脱杂选给矿PH值偏高的问题Q提高了锌脱杂Q选作业的铅锑金属作业回收率,提高了铅锑金属的归队率?/p> <p align="left">(2) 车河选矿厂通过寚w锑Q选作业进行扩Ҏ造,新增一_三_选工艺,新增一个精矿出口,׃ơQ选改ZơQ选,Ҏ高铅锑Q选作业效率是有利的?/p> <p align="left">(3)通过对存在多ơ精选的选作业增开_灉|出口Q操作上视精矿质量高低进行相应的灉|操作Q对E__产量与质量及降低能耗有帮助?/p> <p> </p> <br> <p></p> <p></p> <p style="text-align: left;">作者:兰谁 姚学?nbsp;韩桂庭等Q广西华锡集团股份有限公司R河选矿厂)本文发表于《现代矿业?018q第8?/p> <p style="text-align: left;"><a href="http://www.oqcsxq.icu/website/article/1110/E9DAA703782D432488B539B313CE5DBC.html" style="margin: 0px; padding: 0px; box-sizing: border-box; background: rgb(255, 255, 255); text-decoration: none; transition: all 0.3s ease-in-out 0s; color: rgb(0, 0, 0); font-family: K�K�, K�K�, SimSun; font-size: 14px; 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;"><strong style="margin: 0px; padding: 0px; box-sizing: border-box; font-weight: bold;"><font style="margin: 0px; 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