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结合生产实际,通过对转炉出钢后的钢包顶渣加入一定量的改质剂进行改质处理试验,大大降低了钢包顶渣中的FeO含量,降低了钢包顶渣的氧化性,使铝的"回收率"稳定并提高。对减少和稳定钢中Al2O3夹杂起到了有效的控制作用。在冶炼汽车用DQ1J钢时进行该试验,效果良好,目前已纳入正常生产工艺,并在经RH路径进行精炼处理的所有钢种中均已采用钢包顶渣改质处理。 相似文献
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在对转炉和钢包脱硫热力学条件和动力学条件分析的基础上,对转炉冶炼制度和钢包渣洗制度进行了优化,并提出了适用于转炉冶炼和钢包渣洗的超低硫钢冶炼工艺,该工艺具有较好的脱硫效果。 相似文献
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结合钢水经吹氩处理的生产实际,通过对转炉出钢钢包加入一定量的改质剂进行顶渣改质试验。试验表明钢包顶渣改质,降低了渣中的TFe含量,降低了顶渣氧化性,对减少和稳定钢中的Al2O3夹杂起到了有效的控制作用,对钢水具有较好的脱硫效果。 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
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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 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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《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