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border-style: none; border: 0px solid #fff;" src="/website/include/FABED9CE04664969B6B296DF11386194.html"></iframe> <!-- 文章 start--> <div id="m088096381" class="container"> <div id="m088096381" class="enterprise-info-box"> <div id="m088096381" class="enterprise-info-category-descr"> <img src="/resource/website/article/Content/img/enterprise-info-category-descr.jpg" /> <a id="m088096381" href="/index.html">首页</a> >> <a id="m088096381" href="/website/article/11/index.html">文献频道</a> >> <a id="m088096381" href="/website/article/1110/index.html">矿业论文</a> >> 正文 </div> <div id="m088096381" class="enterprise-info-mainbody"> <span id="id" style="display: none;">F48FBCCD083E43CFB97FB20DCC141E1B</span> <div id="m088096381" class="title">׃金岭铁矿高效节约化选矿生实践</div> <div id="m088096381" class="sub-title">2019-06-10</div> <!-- D start --> <div id="m088096381" class="introduction"> ׃金岭铁矿选矿厂ؓ响应国家节能减排、提高资源利用率政策Q针寚w矿生资源 消耗高、生废弃物多的现状Q在生中践行资源节U和l合利用Q通过加大技术改造、应用新?料、资源@环利用、防污减排等举措Q在提高生效率的同Ӟ兼顾安全环保和节能减排,探烦Z 一条节U、绿艌Ӏ安全和可持l发展道路? </div> <!-- D start --> <!-- 正文 --> <div id="m088096381" class="mainbody"> <div id="m088096381" style="display:none"> Serial No. 601 May. 2019 现ꢀ 代ꢀ 矿ꢀ ? MODERN MINING ȝ 601? 2019 q?5 月第 5 ? ׃金岭铁矿高效节约化选矿生实践 王ꢀ 涛ꢀ 李ꢀ 健ꢀ 王雪? ( 山钢集团׃金岭矿业选矿? w w 摘ꢀ 要ꢀ ׃金岭铁矿选矿厂ؓ响应国家节能减排、提高资源利用率政策,针对选矿生资源 消耗高、生废弃物多的现状,在生产中践行资源节约和综合利?通过加大技术改造、应用新? 料、资源@环利用、防污减排等举措,在提高生产效率的同时,兼顾安全环保和节能减?探烦Z 一条节U、绿艌Ӏ安全和可持l发展道路? 关键词ꢀ 选矿生w 资源节约w 防污减排 DOI:10. 3969 / j. issn. 1674-6082. 2019. 03. 074 w w 矿资源是社会和l济发展的重要物质基, 讑֤q行产生的噪声及选矿q程产生的尾矿等? 我国的矿产资源长期处于传l的_放型开发利用阶 D?造成资源费,使环境不堪重负?资源节约与综 合利用是提高矿资源利用效率最有效的途径? 一,要求在开发利用矿产资源的q程?最大限度地 提高矿资源利用效率和效?同时减少能源消? 降低废弃物排攑֯环境的污?从而实现资源效益? l济效益和社会环境效益的l一?为此,׃金岭 铁矿q行了高效节U化生实践,以期探烦出高效? 安全、环保及可持l发展道路? 2w 高效生与节能减排措? ׃金岭铁矿选矿厂积极响应国家节能减排? 提高资源利用率的政策,转变思想观念,提高U技? 新和理创新能力,努力推行安全环保、高效节U化 的选矿生模式,以“低消耗、高产出、少排放、能? 环、可持箋”ؓ目标,实现安全环保与企业效益共? 提高,从而推动选矿生C节约、清z、安全和? 持箋发展道\? 2. 1w 推行选矿安全生标准化? 1 w 背ꢀ ? ׃金岭铁矿是一个井下开采、选矿、冶金联? 在全厂范围内推行选矿安全生标准化?在生 产过E、设备管理、隐患排查和ȝ、应急救援和? 场文明等多个斚w制定了标准化制度,使各工? 有章可@、有法可?q对生产现场存在的问题, q行逐步整改,使生产现场管理上了一个新台阶,? 高了选矿厂安全管理水q? 的国有大型企业?金岭铁矿选矿厂始Z 1967 q? q几q?已Ş成处理原?200 ?t/ a,生铁精_? 1 10 ?t/ a 以上的生产能力?选矿厂主要生产工? 程?破碎{分ZD늠?_碎后预先筛?l? 后设检查筛?{上物料q回l碎形成闭\;? ZD闭路磨矿后,分溢流先؜合Q选后分离? ?回收 铜?? ??????l??D????? 2. 2w 革新攚w提高生产效? 选矿厂通过加大U技攚w力?优化选矿工艺 程,提高整个pȝ的生产效率? [ 1] ? ?金岭铁矿选矿工艺程见图 1? (1)破碎pȝ升攚w?选矿厂引q了高效? 复摆颚式破碎?采用变频控制的重型板式给矿机, 在提高粗效率的同时,减小了粗品的_度;? 选筛分振动筛升?USD1842 高效振动{?提高{? 分效?~解l碎压力,避免q粉?l碎行了 甉|扩容攚w?l碎机效率提高了 10 个百分点?? q一pd攚w?提高了粉矿生产的效率和质?最? w w 选矿厂生产线?讑֤?讑֤相对落后,作业 和维修h员多,备g、材料、动力消耗大?q年?? 鼎矿比例逐年增加,而金鼎矿隄、难、难?D 整体选矿效率降低? 选矿生是高能耗、高污染的作?主要污染? 为碎矿过E中产生的粉、选矿q程中生的废水? [ 2] 限度的实C“多破少? 2)选系l优化改造?金岭铁矿选矿厂的? 前粉矿经湿式预选抛除细?提高矿效率。ؓ? 75 ? ( w w 王ꢀ ?1972?,?助理工程?255081 ׃省淄博市张店? 中埠镇? 2 ȝ 601 ? C矿业 2019 q?5 月第 5 ? ?1w 金岭铁矿选矿工艺程 提高湿式预选系l的效果,Ҏ式预选系l进行了 优化攚w?由原来的集中处理改ؓ前振? {分别处理尾?{下矿浆自流到分U机?减少? 渣浆늭讑֤的功耗和输送管路的消?节能降? 效果明显;升了自动加药系l?采用 PLC 控制p? l?塑料늣阀,提高了加药的准确?铜回收率? 高了 0. 5 个百分点,同时降低了a药损?混合? pȝq行了扩Ҏ?q在攚w中采用了自动化? ?E_了Q选指?提高了回收率指标? ?在一些漏斗、破机n处采用合金耐磨衬板, 在磁选滚{上采用黏附耐磨陶瓷?在渣܇和Q 选机叶轮上涂耐磨高分子颗_胶,\采用? 分子聚乙烯耐磨?螺旋分机小叶片采用陶瓷? ?皮带托辊采用耐磨耐腐蚀的防水托?q些新材 料的应用,不但减少了选矿成本,而且廉了设备 用寿?减轻了工人检修维护工作量? 2. 4w 变废为宝,探烦循环发展模式 (1)提高水资源@环利用率?׃金岭铁矿? 矿厂为Q联合流E?生q程中需要大量的?? 3 天生产用水量过 1 ?m ?选矿厂采用了? ( 3)输送系l变频控制和压opȝ升? 造?在磁选系l、尾矿处理系l中采用变频控制? ܇,合理控制排放度,E_了生产指?? 能节甉|果明显?压opȝ升为高效厢式自动压 滤机,攚w后压o处理能力提高 2. 25 ?回水利用 率提高到 95% 以上? 滤干堆技?湉K尾矿经两񔋹羃?再进行压滤? 2017 q通过压o机扩Ҏ新改?采用了高效自? 厢式压o?使压滤生产能力大大提?回水利用? 高达 96% 以上,有效地节U了水资?实现了水? 源的循环利用,l企业带来了巨大的经效益和? 著的C会效益? 2 . 3w U极应用新材? 选矿生中设备磨损快,各种衬板、管路、叶? 叶片{均是高耗易损g?选矿厂积极探索应用新? (2)废石及尾矿再利用?q式选扫选后得到 2 76 w w 王ꢀ 涛ꢀ 李ꢀ 健等:׃金岭铁矿高效节约化选矿生实践w w w w w w w w w 2019 q?5 月第 5 ? 的尾?以及湿式预选抛废得到的 2 ~ 14 mm 的废 矌作ؓ建筑材料处理?压o后的用作井下? I区回填,采取胶结充填的方式把作ؓ充填? 理后,再用泵输送回生用水pȝ,既减了废水? ?又提高了水资源的利用率?讑֤修维护? 的废?严禁随意丢弃和存?必须回收后集中处 理?因地制宜“花园式”单?提高厂区l化? 盖率,实现矿区环境天蓝、地lѝ水净,逐步对尾矿库 周围区域q行土地复垦,植树q行l化,化了矿? 环境,环境效益十分显著? [ 3] q行井下充填,实现了尾矿的再利?,减轻了尾 矿库排尾压力,为矿山发展创造了l合效益? ( 3)修旧利废,厉行节约?在生产检修中换下 的旧讑֤、旧材料,q行拆解l合、重复利用?大设 备上的衬?挑选出损的部分再安装到设? ?球磨Z的橡胶衬?切割攚w后作ؓ犁式卸料 器的衬板;托辊的u?l拆解、挑选、清z后l箋? ?l碎机锤头等高消耗材?通过试验扑և锤头? 耗和l碎效率的关p?定最优更换周?制定严格 的用更换标?杜绝了浪费现?l济效益显著? 3w lꢀ ? 金岭铁矿选矿厂践行“高效节U化、生产清z? 化、资源利用@环化”的l色发展理念,践行资源? U与l合利用发展政策,通过一pd攚w优化措? 实现了经效益、环境效益和C会效益的多重丰? 促进了矿q安全、清z及和谐发展? 2 . 5w 防污减排,环境优美型企? 参ꢀ 考ꢀ 文ꢀ ? 加大防污减排力度?对厂内多个除器q行? [ [ 1]w 沈`E?刘远? 提高铁精矿品位的实践[ J]. ׃冉,2003 3):3-5. ?保除尘效果,减少烟尘排放,每月对厂区的_? 量q行?发现问题及时整改?在原矿堆、废? 堆等场地N网、抑墙,q设|喷淋系l?安装 矿R自动清洗装置,减少扬尘?q几q?投资 400 ? 万元_料棚,实现了铁_在厂房内存储? 装运,防止对周围环境的污染和铁_的自然流失? Ҏ常清扫和生活产生的废?通过集水池沉淀? ( 2]w 李孝?林乐? _矿湿式预选在金岭铁矿选矿厂的应用[J]. ׃冉,2004,26(2):8-9. [3]w 吴爱?杨盛?王洪?{? 细全尾膏体处置技术现状与? 势[J]. 采矿技?2011(5):4-8. ( 收稿日期 2019-01-02w 责Q~辑w 袁风? ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■? ( 上接W?267 ?通过实际调查发现,以现有的技? 有掘q设备对岩؜快速掘q的影响、作业方式对? 巷快速掘q的影响、؜道层位选择与支护设计的? ?针对岩؜掘进存在的问?提出提升掘进讑֤? 机械化程?优化作业方式,U学选择巷道层位、开 展差异化支护多方面的优化{略,q而提升岩巷快 速掘q施工研I奠定基? 水^为基,采用传统?YT26 型气腿式凿岩Zh 工打g配套 P-70B 耙斗装蝲机出?使职工劳? 强度?且耙斗装岩机在钢丝l牵引运行中损? ?q存在一定的安全隐患?Z提高岩؜快速掘 q?通过外出调研、参观学?引进钻装一体机的液 压系l代替传l的压风pȝq行打眼施工;出渣? 式采用钻装一体机耙、装部g配合转蝲皮带直接? 胶带q输行连接?通过皮带不间断运输和钻装 一体机机械化打眹{装?解决了岩hq施工渣? 装运问题?保了现场机械化作业的连l?降低 了职工的力_强度,~短了出渣皮带运行制U、设? 现场故障{各个环节的旉理,实现了岩hq? 机械化管理水qxH破,为岩巷快速掘q工作的? 利开展提供保障? 参ꢀ 考ꢀ 文ꢀ ? [ [ 1]w 刘鹏? 岩؜快速掘q媄响因素分析及优化[J]. ׃煤炭U? 技,2018(9):31-33. 2]w U卫? 岩؜快速掘q媄响因素分析及其优化[J]. 水力采煤 与管道运?2018(3):183-185. [3]w 王文? 岩؜快速掘q媄响因素分析及工艺的优化[J]. 煤炭 与化?2017,40(2):145-147. [ 4]w 吴培? 试析岩؜快速掘q媄响因素及工艺的优化策略[J]. 能源与节?2016(5):52-53. 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