4#高炉热风炉阀门轴头密封改进

针对4^#高炉热风炉阀门轴头密封存在的泄漏问题进行了深入的分析，提出了解决方案。改进密封结构，增加传动轴外置密封体，选用美国1500EN石墨盘根为轴头密封填充材料。通过改进，消除了设备存在的故障，为高炉正常冶炼创造了条件。     

攀钢2#、3#高炉新增热风炉的自动控制简介

攀钢炼铁厂3^#高炉在2006年4月大修时新增4^#热风炉，工艺上要求该炉对2^#、3^#高炉自由切换送风。3^#高炉大修后控制系统采用Ovation系统，该系统是目前世界上先进的DCS系统，具有强大时序控制和模拟量处理功能，为满足复杂的工艺要求，对4^#热风炉的控制采用了2个远程Drop和1个监控站控制模式，对该炉的控制功能得以较好的实现。本文简要介绍了在Ovation系统上对攀钢2^#、3^#高炉新增热风炉的自动控制过程。     

6#烧结机台车体铸造工艺实践

介绍了6^#烧结机台车体的结构特点、技术要求及台车体的设计工艺和铁水熔炼过程中的球化孕育处理工艺。通过性能检测证明，6^#烧结机台车体铸造是成功的，为今后重要备件的生产加工提供了可借鉴的经验。     

7．63m焦炉炉顶空间结石墨的原因分析及处理

马铜新区1^#、2^#焦炉是从德国伍德公司引进的7．63m大型现代化焦炉，自投产以来，炉顶空间结石墨非常严重，必须尽快采取有效措施，消除石墨对生产的影响，促进焦炉尽早达产达标。     

包钢2#高炉炉壳应力测试及分析

本文采用动、静态相结合的方法，对已进入服役后期的包钢2^#高炉重新开炉时炉壳内部残余应力(二段)进行了监测和研究，根据炉壳内应力的分布特征及变化趋势，确定其比较薄弱的部位，提出防治措施，确保2^#高炉顺利投产；这对处于服役后期的包钢2^#高炉重新恢复生产意义非常重大。     

8#泵站刮泥机改造分析

本文通过对8^#泵站刮泥机改造的分析，指出改造后刮泥机的优点和遗留问题，并指出今后的发展方向。     

宝钢2#彩涂线炉子制造技术

介绍了宝钢2^#彩涂线炉子的功能、结构、技术难点及设备制造工艺；成功地进行了焊接变形的控制，攻克了不锈钢板与镀锌板异种钢电阻焊的技术难题，完成了宝钢2^#彩涂线炉子设备的制造任务。     

马钢1#～4#焦炉干熄焦生产的优化

介绍了马钢1^#～4^#焦炉配套千熄焦系统运行情况，分析了干熄焦率一直得不到有效提高的各种影响因素，根据焦炉现场实际生产情况总结出了一系列的干熄焦生产组织优化措施。经过各项优化组织后干熄焦率得到显著提升。     

转炉连铸45#钢的生产实践

本文介绍了合钢第二炼钢厂转炉试生产45^#钢过程中，在冶炼终点控制、钢水质量、全程温度控制和连铸等方面所做的试验研究工作，总结了45^#钢转炉连铸生产工艺和质量控制经验。实践表明，该工艺设计合理，所生产的45^#钢完全符合GB699—88的要求。     

马钢 5#焦炉煤气管道泄漏处理

马钢煤焦化公司5^#焦炉于1990年7月投产，投产初期，由于个别焦侧上升管漏氨水，所漏氨水流到地下室高炉煤气管道上，致使高炉煤气管道受到氨水的腐蚀，2000年发现焦侧煤气管道北端51^#1m管处泄漏煤气，经简单处理维持生产。2001年发现较大面积的泄漏，成为威胁5^#焦炉正常生产的一大安全隐患，必须对泄漏部位进行处理。     

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)

正~~     

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)

正~~     

China's Major Non-ferrous Metals Imports & Exports

正~~