CS3000在济钢15 000 m3/h制氧机改造中的应用

济钢15 000 m~3/h制氧机仪控系统采用日本横河CS3000集散控制系统进行改造，实现了制氧机分子筛切换、仪控、低压电器逻辑控制，保证了制氧机常期稳定运行，取得了良好的效果。     

浅谈多机组联合制氩

氧气厂2000年11月份投产了2^#6500m^3／h制氧机，该设备是杭州制氧机厂生产的，属空分六代产品：无氢提氩，上塔为规整填料塔，DCS集散控制。该套设备的投产相继带动了氧气厂1^#6500m^3/h、3200m^3/h制氧机有氢提氩设备氩气的生产(原有的3200m^3/h制氧机88年投产后，具备     

涟钢30000Nm^3／h制氧机组系统规划中的几个特点

制氧机组在钢铁生产中有着举足轻重的地位，制氧机组的规划必须紧密联系钢铁生产的实际要求和自身的要求，达到完善功能、保障安全、节约能耗的目的。本文介绍了在制氧机规划中的几个特点。     

国产制氧机运行中的若干问题及改进

针对马钢现运行国产制氧机存在的若干问题进行了具体分析后，采取了切实可行的改进措施，提高了制氧机运行的稳定性和可靠世。     

钢铁企业制氧机组配置

对新建钢铁企业制氧机组配置中的氧气纯度选择、制氧机组配置方式、内外压缩工艺流程的选择等几个方面进行了探讨，推荐出适用于钢铁企业的制氧流程选择及机组配置，为今后开展钢铁企业制氧机组的配置设计提供一定的参考。     

35000m3／h制氧机自动变负荷控制的改进

介绍了35000 m3／h制氧机的工艺流程，针对该制氧机存在的工况不稳定和氮塞等问题，对自动变负荷控制系统作了改进，取得了较好的效果。     

有色金属富氧冶炼设备—─制氧机的选用

本文从有色金属富氧冶炼的特点，介绍了配套设备制氧机的类型和选择方法，结合实践阐述了因地制宜、综合评估制氧机的选型原则，为有色冶炼企业设备管理人员提供了借鉴经验     

有色金属富氧冶炼设备—制氧机的选用

本文从有色金属富氧冶炼的特点，介绍了配套设备制氧机的类型和选择方法，结合实践阐述了因地制宜，综合评估制氧机的选型原则，为有色冶炼企业设备管理人员提供了借鉴经验。     

改造空分仪控系统改善运行工况

针对安钢１＃６０００ｍ３／ｈ加制氧机仪控系统落后的状况进行技改，应用ＤＤＺ－Ⅲ型仪表进行调节控制，改善了运行工况，保证了制氧机安全运行，提高了控制精度。     

空分装置的变工况操作

１９９３年８月３０日合钢动力厂投产仅一年的４５００ｍ～３／ｈ制氧机因空压机大、小齿轮损坏被迫中止运行。进行备件加工修复要３个月左右的时间。为了满足炼钢用氧，提出了用３２００ｍ～３／ｈ制氧机的空压机来为４５００ｍ～３／ｈ制氧机提供原料空气，进行变工况操作来提高氧产量。为实现这一设想，首先架设了１４０米　３２５的空气管道将３２００ｍ～３／ｈ制氧机与４５００ｍ～３／ｈ制氧机的空气进口管道并网，除增设必要的阀门外，还增设了一组自动放空装置，以确保空压机的安全。其次是确定变工况操作的工艺参数，采用了正交试…     

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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