共查询到20条相似文献,搜索用时 156 毫秒
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本文主要介绍了电炉炼钢中的氧化脱磷的基本原理。从热力学和动力学两个方面探讨了影响氧化脱磷的几个主要因素:熔池温度、炉渣碱度、炉渣氧化性及量等。分析了炼钢现场熔化渣碱度与脱磷率的关系,氧化初始湿度和脱碳量与脱磷平均速度的关系。 相似文献
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分析了低硅钢ST30A1(/%:0.06~0.10C,≤0.05Si,0.30~0.45Mn,≤0.015P,≤0.005S,0.025~0.050Al)在LF精炼过程中钢水回磷量、钢水铝含量、精炼渣二元碱度、精炼渣Al_2O_3含量等因素对钢水增硅量的影响,得出转炉下渣量、钢水铝含量、精炼炉渣碱度是影响增硅的主要因素。通过控制转炉下渣、降低原辅料中的硅含量、调整精炼渣中SiO_2、Al_2O_3含量、控制精炼渣二元碱度14,渣中Al_2O_3为27%,控制钢水铝含量0.010%~0.020%,LF钢水增硅量由原0.033%~0.047%降低到0.004%~0.018%,成品钢水硅含量≤0.035%。 相似文献
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介绍了济钢210t转炉超低硫钢生产工艺技术,通过控制转炉入炉铁水S含量,在转炉出钢过程中加入一定量的顶渣对钢水进行"渣洗"脱硫,控制LF炉渣碱度、氧化性、温度、渣量等,实现了转炉渣洗平均脱硫率达到61.41%,LF平均脱硫率78.2%,精炼结束平均S含量达到了0.00174%。 相似文献
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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 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
<正>According to the latest info from Jiangxi Province State-owned Assets Supervision and Administration Commission,Jiangxi Copper Corporation was approved to become the first pilot enterprise for deepening reform.Contents of the pilot work is"Three Self"(self expansion,self decision-making,self 相似文献
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《Baosteel Technical Research》2014,8(4)
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 相似文献
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《China Nonferrous Metals Monthly》2014,(1):9-10
【正】According to the Ministry of Industry and Information Technology,the Ministry has released the 2013 Operation Report on China’s Industrial Communication Indu... 相似文献
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正Recently,Chinalco and Gansu Provincial People’s Government signed"Framework Agreement for Strategic Cooperation on Reform,Restructuring and Transition Development of Chinalco’s Electrolytic Aluminum Enterprises in Gansu",signifying that the strategic cooperation between Chinalco and Gansu Province had made new substantive progress. 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正Owing to continual downturn in real estate and bulk commodity markets,a number of traditional industries in China suffered unfavorable impact in performance.With the progressive disclosure of third quarter report,the no-pleasant-surprise performance of 相似文献
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正The High Performance Magnetic Material Phase II Project,an industry upgrading project implemented by Inner Mongolia Baotou IronSteel Rare Earth(Group)Hi-tech Co.,Ltd,recently basically finished equipment commissioning,signifying that the enterprise had developed the production capacity of15000 t/a Nd-Fe-B strip casting alloy and 5000t/a Nd-Fe-B magnet,thus becoming the world’s 相似文献
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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 相似文献