圆锥破碎机矿仓漏斗衬板的改进

德兴铜矿泗洲选矿厂二期碎矿工段圆锥矿仓漏斗衬板磨损过快,漏斗衬板更换频繁。为解决衬板磨损过快问题,对衬板使用要求、工况及耐磨特点进行了详细地分析,结合各种影响因素对衬板材质进行了更换,并对衬板结构形式进行了改进,改善了衬板的耐磨性。改进后的衬板使用寿命大大提高,也节约了大量的生产成本。     

新华钼业更换球磨磁性衬板

日前,新华钼业选矿厂顺利将二系列Φ2.7 mm×3.6mm溢流型球磨机的锰钢衬板更换为磁性衬板。新华钼业由于设备长期运转,衬板螺栓几乎被锈蚀,只能用乙炔气进行切割,然后用撬棍、钎子、大锤等工具、耗时2天将衬板一块块卸下来。拆除的衬板除端盖衬板     

浅谈球磨机磁性衬板的研究及应用

磁性衬板是一种新型的球磨机衬板,应用于含磁性矿的矿石磨矿时,由于在衬板工作面能吸附一层磁性物质,可形成保护膜,减少衬板工作面与运动的介质和物料直接接触,从而可达到延长衬板寿命的目的。本文主要就磁性衬板的研究概况、特性及应用情况进行了阐述。     

1580 SP轧机衬板受力分析及对策研究

为了分析SP轧机衬板的受力状况, 建立了衬板受力的动力学模型.利用有限元软件Marc的非线性功能, 建立衬板与轮子接触的有限元模型,得到衬板上螺纹孔尺寸和最大应力的关系,提出了改善衬板受力的设计方案.现场实际应用表明,效果良好.     

鞍钢齐大山选矿厂衬板的质量分析及改进方案

鞍钢齐大山选矿厂衬板的质量分析及改进方案曹天顺（鞍钢职工工学院）１衬板使用情况的调查衬板主要有球磨衬板、磁选的托磁器等，种类有三角铁衬板、算铁衬板及长铁衬板等三类。选矿是鞍钢生产的主要环节，对衬板的需求量很大。衬板的质量问题主要是使用寿命短，消耗量大...     

有效降低磨机衬板消耗途径的探讨

分析磨机衬板磨损的机理 ,从合理的粉磨工艺设计、磨机衬板的功能和结构设计 ,到磨机衬板材质的选择等方面 ,探讨了有效降低衬板消耗的途径 .     

球磨机筒体与衬板连接方法的改进

许多选矿厂是用螺栓连接球磨机筒体和衬板的。这种连接方法,在螺栓头磨损完了,衬板就会掉下来,需要更换新衬板。我厂的φ1200×1200毫米球磨机使用平滑式衬板(6厘米)。衬板与筒体是用螺栓连接,当衬板磨损约4厘米时,螺栓头便磨损掉了,因此需要更换新衬板。今年三月,我们将螺栓连接改用揷销连接(见图),即在衬板翻砂时,铸成两个有孔的小圆柱。在     

新型复合衬板在炼铁系统中的应用

目前冶金等领域各类衬板在结构上存在的单一性能缺陷,使得衬板使用寿命短、造成维修费用高、检修工作量大、工作环境差等缺陷。使用新型复合型衬板目的在于克服现有技术的不足,提供同时具备料磨料性能和综合机械性能的复合结构新型长寿性衬板及便于更换衬板的积料箱。从受料原料品种特性,该衬板同时具有抗冲击、抗腐蚀、抗磨损性能。     

溢流型球磨机衬板优化改进及应用

通过对MQY3254溢流型球磨机在实际生产中筒体衬板磨损情况的分析,对球磨机每排衬板的厚度进行单独设计,先后提出了由整体更换改为分步更换和阶梯式衬板设计的2种优化改进方案,并对2种方案进行了效益分析。结果表明:2种衬板优化改进方案,在提高衬板利用率的前提下,不仅大大减少了运转人员的工作量,而且提高了磨矿效率,为公司带来巨大的经济效益。2种方案为衬板优化改进提供了新的思路,同时为球磨机衬板改型积累了重要的生产经验。     

干熄焦旋转焦罐衬板的改造

针对本钢6号、7号焦炉干熄焦旋转焦罐衬板受热极易脱落的现状,分析了其脱落的主要原因,通过对焦罐衬板的结构改造,提高了焦罐衬板抵抗破坏的能力,延长了焦罐衬板的使用寿命,满足了干熄焦生产需要。     

熔炼次数对M17返回料合金成分、组织和性能的影响

实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。     

Shijiazhuang will Build the World's Biggest Replacingcopper-with-aluminum Cable Production Base

正Shijiazhuang City will build the world’s biggest replacing-copper-with-aluminum cable production base,the annual output value can reach 100 billion yuan,in the future it will develop replacing-copper-with-aluminum highend industry cluster.This piece of news was learned by the reporter at the Rare Earth highiron Aluminum Alloy[Nonferrous Business Opportunity:Aluminum alloy door]Cable Conductor New Technology Application Seminar held at the provincial capital.     

Chongqing is Preparing to Set Up Nonferrous Metal Exchange,in a Bid to Become the Transit Place of Kazakhstan Copper

正Since the beginning of Chongqing’s upgrading to a municipality directly under the Central Government,Chongqing City has established direct friendly relationship with Almaty,Kazakhstan,and carried out a series of cooperation in commerce and trade,and culture     

Guangxi Baise Extends Industrial Chain to Combat Loss in Aluminum Business

正"For each tonne of aluminum being produced,the upstream enterprise on the aluminum industrial chain will suffer loss about 2000yuan."Said Liang Xiao,Deputy Director of Pingguo Industrial Park Management Committee under the Guangxi Baise City,one of the four major aluminum industry bases in China,on August 11.Extending aluminum     

JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL ANNUAL CONTENTS Volume 21(2014)

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Chinalco Straightened Out Copper Assets,and Delegated Stock Equity of Yunnan Copper

正Immediately after the news that Chinalco transferred 58%stock equity of Yunnan Copper Group to its wholly-owned subsidiary China Copper Corporation Limited free of charge was disclosed on July 9,many individual investors couldn’t help but to think:Does it mean China Copper Corporation Limited will assemble assets for overall listing?At present,among main copper business companies under China Copper Corporation     

The Development and Reform Commission Encourages Private Capital to Enter Geological Prospecting Field

正At the press conference recently held by the National Development and Reform Commission under the theme"Deepen Reform in Investment AuditApproval System",when answering questions from reporters,Huang Min,Director of the Department of Fixed Assets Investment of the National Development and Reform Commission,said that in the future it would continue to intensify efforts in geological prospecting,and actively guide social capital to enter this field.     

Guangxi's first Nickel Industry Development Research Report Was Released

正Recently,Guangxi Metallurgical Research Institute,a subsidiary of Guangxi Nonferrous Metals Group,completed survey on laterite and related manufacturers in the region,by combining the current development status of laterite both at home and abroad,it compiled Guangxi’s first"Research Report on the Development of Guangxi Nickel Industrial Chain"which adopted laterite as the study subject.This report expounded on the current     

China’s Major Non-ferrous Metals Imports & Exports(End of September. 2014)

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China's Major Non-ferrous Metals Imports & Exports

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