韶钢Consteel电转炉开炉新工艺

韶钢炼轧厂电炉改造成电转炉后,开新炉的工艺发生了改变,在原有砌炉工艺不变的情况下,为适应电转炉的冶炼工艺,通过控制铁水加入量、造渣、吹氧等手段保证烘炉效果,达到了送电开炉的烘炉要求.     

韶钢Consteel电转炉开炉新工艺

韶钢炼轧厂电炉改造成电转炉后,开新炉的工艺发生了改变,在原有砌炉工艺不变的情况下,为适应电转炉的冶炼工艺,通过控制铁水加入量、造渣、吹氧等手段以保证烘炉效果,达到送电开炉的烘炉要求.     

炉口微差压控制系统在转炉炼钢中的应用

在转炉炼钢工艺中，炉口微差压控制系统利用转炉炉口内压力与大气压力的差压值，与人工设定值比较后自动控制二文喉口翻板开度，进而控制炉口烟气状态。本文详细介绍了炉口微差压控制系统在转炉炼钢中的硬件配置及功能实现。     

溅渣护炉工艺应用实践

介绍了抗钢２０ｔ转炉溅渣护炉工艺及相关技术。讨论了溅渣护炉效果的评价方法，主要工艺参数的影响，以有溅渣护炉引起的工艺问题的解决方案。转炉溅渣护炉后，平均炉龄为３０００次以上，最高达５０９９次，耐材消耗、补炉时间和补炉强度大幅度减少，从而也提高了转炉生产率。     

重钢六厂转炉开新炉钢锭上涨原因及防止措施

本文介绍了在重钢（集团）公司第六炼钢厂１０ｔ氧气顶吹转炉上进行的关于转炉开新炉所炼钢锭上涨原因及防止措施的研究情况。通过对以往上涨情况的统计和取气体样分析结果表明，钢锭上涨主要是由于转炉开新炉引起钢中氧、氮含量过高造成的。于是采取相应措施，使钢锭上涨问题基本得到解决。     

转炉溅渣护炉

转炉溅渣护炉是一项提高转炉炉龄行之有效的方法，据此对溅渣护炉的工艺方法、工艺原理、应用条件及国内外使用效果进行了综合介绍与分析。     

昆钢转炉炉龄的技术攻关

针对昆钢转炉炉龄偏低的实际情况，依靠科技进步，加强管理创新，紧紧围绕优化冶炼工艺、改善贱渣护炉效果、提高贱渣护炉率、降低出钢温度等开展工作，转炉炉龄的技术攻关取得了很大的成效，显著地提高了转炉炉龄。     

关于太钢第二炼钢厂溅渣护炉的考察报告

作者通过实地考察，详述了太钢第二炼钢厂实施转炉吹氮溅渣护炉的情况。该厂采用此项新技术后，转炉平均炉龄在１３９３．６炉匠基础上可突破３０００炉，该工艺简单、安全、成本低、可操作性强、效果明显，应推广应用。     

提高30t氧气顶吹转炉炉龄实践

介绍了转炉高作业率条件下，通过优化工艺操作，改善溅渣效果，强化炉型控制等技术和管理措施，在确保转炉安全、高效、经济运行的前提下，实现了转炉炉龄的大幅度提高。     

提高转炉炉龄的措施与效果

提出了提高转炉炉龄的改进措施，通过综合砌炉、系统优化炼钢工艺、综合护炉等技术攻关，炉龄大幅度提高，增产、增效效果明显。     

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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