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概述了高速连铸的特点及对结晶器保护渣的要求,论述了高速连铸保护渣必须保证的理化性能,总结了高拉速结晶器用保护渣的研究现状,提出了今后对高速连铸保护渣研制的工作建议。 相似文献
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讨论了与高速连铸密切相关的保护渣技术。论述了高速连铸保护渣必须保证的理化性能;总结了高拉速结晶器用保护渣的研究现状。 相似文献
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根据攀钢2^#板坯连铸的工艺特点,在分析了高速连铸对保护渣性能要求的基础上,研究开发出了适应高拉速浇注的连铸保护渣,工业试验结果表明,研究开发的YC—DT高拉速用连铸保护渣,在拉速≥1.70m/min时不仅结晶器内熔化状况良好,而且保护渣消耗量适宜,所浇铸坯表面质量良好,能够满足攀钢2^#板坯高速浇注的需求。 相似文献
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连铸用电磁FC结晶器[日]HideoTake等高速浇铸对于连铸生产率来说是必要的,但是高速浇铸会增加结晶器保护渣的夹带和板坯皮下产生氩气泡。然而,通过采用两套控制钢液流磁场发生器的新型结晶器,减少了这些问题的发生。近年来,对连铸机的要求是:(1)满足... 相似文献
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介绍国内外连铸结晶器保护的发展,结晶器保护的类型,各钢种用结晶器保护渣的要求和设计,及国内钢厂研制开发结晶器保护渣的新成果。 相似文献
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根据攀钢2号板坯连铸的工艺特点,在分析了高速连铸对保护渣性能要求的基础上,研究开发出了适应高拉速浇注的连铸保护渣,工业试验结果表明,研究开发的XIZ-DT高拉速用连铸保护渣,在拉速≥1.75m/min时,结晶器内熔化状况良好,保护渣消耗量0.38-0.42kg/t,所浇铸坯表面质量良好,铸坯表面无清理率98.70%,能够满足攀钢2号板坯高速浇注的需求。 相似文献
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<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic 相似文献
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正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field, 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure 相似文献
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《China Nonferrous Metals Monthly》2014,(10)
正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year, 相似文献
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《China Nonferrous Metals Monthly》2014,(12)
正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform. 相似文献
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正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness. 相似文献
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正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully. 相似文献