国内冶金动态

N2014106全球最大铜生产商考察团参观中国恩菲设计的氧气底吹铜冶炼项目全球最大铜生产商智利CODELCO公司考察团参观了中国恩菲设计的氧气底吹熔炼和连续吹炼项目。CODELCO公司对氧气底吹熔炼和连续吹炼项目的整体设计紧凑和生产环境清洁给与高度评价，并表示，通过这座双底吹铜冶炼厂，看到中国恩菲拥有的氧气底吹技术又有了新的突破，增强了他们对恩菲工程设计能力的信任。     

氧气底吹铜熔炼过程建模与在线优化控制方法

本文针对氧气底吹铜熔炼生产工艺自动控制问题,构建了化合物冶金热力学数据库和冶金数学模型,并辅以数据分析及工程实践经验,完成在线冶金计算系统。该系统可根据入炉物料参数和工艺生产目标控制参数,利用系统内置热力学数据库及冶金反应计算算法程序,完成全流程冶金过程的元素平衡及热平衡在线计算,实际参与氧气底吹铜熔炼生产的过程控制,可为生产作业的稳定连续和工艺优化提供重要技术支撑。     

国内冶金动态

正N2014106全球最大铜生产商考察团参观中国恩菲设计的氧气底吹铜冶炼项目全球最大铜生产商智利C0DELC0公司考察团参观了中国恩菲设计的氧气底吹擦炼和连续吹炼项目。CODELCO公司对氧气底吹熔炼和连续吹项目的整体设计紧凑和生产环境给予高度评价。     

氧气底吹熔炼炉的设计计算

正文章简述了氧气底吹熔炼技术的优点及氧气底吹熔炼炉的结构,详细介绍了氧气底吹熔炼炉的设计计算要点。氧气底吹熔炼技术是我国自主研发的一种熔池熔炼技术(已获专利),已成功地用于铅、铜冶炼[1],氧气底吹熔炼炉是氧气底吹熔炼工艺的核心设备。结构合理、安全可靠、寿命长是炉子设计的目标,本文主要介绍氧气底吹熔炼炉炉体主要部件的设计计算。氧气底吹熔炼炉的结构氧气底吹熔炼炉是一座可以转动的卧式圆筒形炉子,通过熔池下部的喷枪将     

中国恩菲编撰《现代氧气底吹炼铜技术》正式出版

<正>近日,由中国恩菲组织撰写的底吹炼铜领域专著《现代氧气底吹炼铜技术》正式出版发行。氧气底吹炼铜技术是中国恩菲的发明专利,具有熔炼强度高、投资省、环保好、易操作、成本低等显著优势。在短短十年时间里,底吹炼铜炉的规模从初期年产2万吨发展到如今30万吨,这项恩菲独有的技术也从底吹熔炼发展到底吹连续吹炼,从"两连炉"发展到     

底吹炉铜锍品位的初步计算选择

底吹炉熔炼时铜锍品位的选择影响着粗铜冶炼生产的过程组织和控制.本文选取不同品位铜锍,对熔炼、吹炼过程进行物料平衡和热平衡冶金计算,为底吹炉选定合适的铜锍品位,以提高熔炼直收率、主金属综合回收率,降低粗铜冶炼直接费用.     

氧气底吹熔炼炉处理含石墨C铅精矿的生产实践北大核心

对比了氧气底吹熔炼炉单独处理含石墨C铅精矿及搭配处理二次铅物料时的实际生产数据,得出了氧气底吹熔炼炉处理含石墨C铅精矿时适宜的工艺参数及生产操作条件。     

氧气底吹熔炼炉处理含石墨C铅精矿的生产实践

对比了氧气底吹熔炼炉单独处理含石墨C铅精矿及搭配处理二次铅物料时的实际生产数据,得出了氧气底吹熔炼炉处理含石墨C铅精矿时适宜的工艺参数及生产操作条件。     

大型富氧底吹炉熔炼渣含铜的研究及控制

结合中原冶炼厂大型富氧底吹炉生产运行数据,研究分析渣含铜的主要影响因素,并制定相应调控措施。通过工艺参数优化,底吹炉熔炼渣含铜从6%以上降至3.32%,解决了底吹炉在高处理能力情况下的渣含铜偏高问题,为类似企业提供技术借鉴。     

富氧底吹铜熔炼炉内气-液多相流研究

针对恩菲自主研发的底吹连续炼铜工艺,以正常运行的底吹铜熔炼炉为研究对象,考虑熔炼渣相和铜锍相的实际物性参数,建立一个与实际底吹炉尺寸一致的熔炼炉模型,采用VOF多相流模型和标准k-ε湍流模型对炉内气-渣-铜锍三相流动过程进行仿真模拟,对炉内气液两相流动规律、炉内各相速度场、熔炼炉喷溅机理进行分析,获得炉内各流动区域特征,同时为后续底吹炉的设计和操作制度制定提供参考。     

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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