连续退火炉技术方案比较

对马钢(合肥)公司1550冷轧1#、2#连续退火炉技术方案进行比较和分析,针对不同产品大纲对应的退火炉技术方案存在的差异和特点,制定1#、2#退火炉的技术方案,以满足工艺要求.     

4~#加热炉的技术应用实践

介绍新建4#加热炉的可行性及设计方案,并对1#、4#加热炉技术性能进行比较。     

富氧燃烧技术在马钢热轧加热炉中的应用

马钢1580热轧3#加热炉始建于2017年6月,不同于原有的1#、2#加热炉,3#炉初步采用了由林德公司提供的富氧燃烧技术。本文介绍了富氧燃烧技术在3#加热炉的应用情况及初步的工业试用效果。     

特大型高炉先进技术应用及实践

介绍了山东钢铁特大型高炉所采取的先进技术,包括:紧凑型铁钢界面技术、高炉组联合矿焦槽技术、高炉长寿综合技术、新型自然风冷主沟技术、特大型顶燃式热风炉技术、高炉煤气全干法布袋除尘技术及煤气输灰技术、炉顶均压煤气回收技术等。同时对1#、2#高炉生产实践进行简要说明。     

双蓄热式燃烧技术在安钢中板厂的应用

介绍了双蓄热式燃烧技术的基本情况及该项技术在安钢中板厂 3 #加热炉的实际应用及推广情况 ,并对其应用效果进行了综合评价 :该项技术在安钢的应用已取得了明显的节能效果 ,各项技术指标基本上达到设计要求 ,燃料消耗比原 1 #、2 #炉降低了 3 0 %以上 ,从而减少废气排放量 ,减少污染。     

高辐射覆层技术在日钢球式热风炉中的应用

日钢炼铁厂在2#、5#、7#、8#高炉热风炉改造中应用高辐射覆层技术,热风炉正常运行1a后的数据统计表明,5#高炉2#热风炉烧炉时间节省4.34min,即节约煤气量3.34%,送风拱顶温度提高了49.20℃,送风终了拱顶温度提高了53.86℃;2#、7#、8#高炉的11座热风炉在风温提高16℃的情况下,高炉外供总煤气量仍增加0.55%,年效益为1512.6万元。     

高辐射覆层技术在济钢高炉热风炉上的应用

考察了高辐射覆层技术对济钢高炉热风炉格子砖终点温度、温差及风温的影响,结果表明,在其他条件相同的情况下,使用覆层技术的2#1750m3高炉2#热风炉,格子砖终点温度提高了51.54℃,格子砖温差增大了86.67℃;使用5a后,终点温度提高112.23℃,格子砖温差增大了139.99℃;3#1750m3高炉3座热风炉应用高辐射覆层技术后,风温平均提高23.6℃,年效益达2173万元。     

高炉气密箱左倾齿轮箱更换技术

介绍太钢4#高炉气密箱更换技术,该技术可快速更换减速机,而不用整体更换气密箱,大大节约了时间,可为同类工程提供参考。     

自然MgO烧结技术实践

榆钢炼铁厂烧结工序有三台烧结机,1#、2#烧结机42 m2与两座420 m3高炉配套,3#烧结机320 m2与3200m3高炉相匹配。2012年9月在大高炉投产之初要求炉渣中Mg O含量必须达到9.0%~10.5%。所以在烧结矿中长期配加4%左右的轻烧白云石。2014年炼铁厂技术人员经过分析高炉渣系的组成,认为降低炉渣氧化镁含量是可行的,此后在烧结工序进行了自然Mg O烧结技术的研究实践。     

现场总线技术在连续热镀锌机组中的应用

本文介绍了现场总线技术的特点和现状及其在攀钢冷轧厂3#连续热镀锌机组中的应用。     

Journal of Rare Earths Contents List of Vol.32(2014)

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Introducing Two Central Enterprises to Integrate Rare Earth Industry,Shandong Rare Earth Group Breaks Surface

正With the signing of"Letter of intention for Propelling Integration of Shandong Rare Earth Enterprises"between Shandong Province Commission Of Economy and Informatization,China IronSteel Research Institute Group("China Steel Institute"),and China Rare MetalsRare Earth Co.,Ltd("China Rare Earth"),the"Shandong Rare Earth Group"jointly set up by the 3 units thus broke surface.On August 9,reporters of the China Economic Herald learned from Shandong Province     

Aluminium Production by Province or City in 2014

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Refined Copper Production by Province or City in 2014

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Aluminium Production by Province or City in 2014

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China is Planning to Raise rare Earth Resource Tax Again

正In the face of the current situation of the lost WTO dispute on rare earth,and cancellation of export tariff for partial rare earth products,efforts of regulation and integration on rare earth by the state government will again be tightened.Reporters of the Economic Information Daily recently learned from authoritative sources that relevant ministries are     

Fabricated Copper Production by Province or City in 2014

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Refined Copper Production by Province or City in 2014

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Chinalco Signed Framework Agreement for Strategic Cooperation with Harbin Municipal Government

正Last month,Chinalco signed framework agreement for strategic cooperation with Harbin Municipal Government in Harbin Xiong Weiping,Chairman of Chinalco,said that based on the strategic deployment to build world top-class mining company with the highest growth potential,Chinalco was now concentrating all efforts on making strategic transition and structural adjustment,strategic cooperation with the local governments where     

Contributions to Baosteel Technical Research wanted

正Baosteel Technical Research,a quarterly journal,which is issued domestically and abroad,is run and sponsored by Baosteel Group Corporation.Baosteel Technical Research mainly reports the achievements in technological innovation,academic research,new product development and industrial equipment improvement by Baosteel.It will continue to follow up on hot topics and serve the company’s technological development and progress.Its readers include experts in