直接应用生物质固废的双基竖炉新工艺

简要说明了现有煤基直接还原工艺和气基直接还原工艺存在的主要问题,说明了直接应用生物质固废双基竖炉新工艺的工艺流程、主要工艺参数和原料条件等方面的技术特点,重点说明了该工艺的技术优势,也分析了该工艺需要解决的主要技术问题。     

污泥脱水技术在邯钢焦化厂的应用

介绍了邯钢焦化厂污水处理体系原工艺存在的问题,针对工艺中的问题提出了污泥脱水技术的解决方案、操作事项及问题对策,并列出了相关技术数据及费用指标、效益及效果。     

电炉准直上工艺开发与应用

为解决因炉机不匹配导致的精炼钢水积压、浇次紧张问题,确保整个工艺流程的工艺稳定性,开发研究了电炉准直上工艺,即EAF-VD-CC工艺。通过优化电炉冶炼、VD精炼过程工艺参数,实现了电炉钢水经过VD处理后直接连铸,有效缓解了精炼钢水积压及浇次紧张问题。与常规工艺相比,准直上工艺可降低吨钢综合成本29.72元。     

白云铁矿资源开发利用及采矿工艺改造

文章阐述了白云鄂博铁矿资源开发利用及采矿工艺改造现状,重点讲述了建立长期、稳定、安全、优质的资源供应基地需重视的问题,即资源利用问题、采矿工艺改造、选矿建设等问题。     

白云铁矿资源开发利用及采矿工艺改造

文章阐述了白云鄂博铁矿资源开发利用及采矿工艺改造现状,重点讲述了建立长期、稳定、安全、优质的资源供应基地需重视的问题,即资源利用问题、采矿工艺改造、选矿建设等问题.     

高炉炼铁工艺发展问题及优化研究

对高炉炼铁工艺原理、工艺结构进行分析，探讨了传统高炉冶炼工艺发展过程中所出现的问题，主要表现实时监测力度不够、缺乏对环保问题的重视、环境污染问题较为严重、综合生产成本较高等。提出了利用现代技术对高炉炼铁工艺进行优化。     

高硅耐磨铸钢的研究进展

介绍了高硅耐磨铸钢成分、组织、性能、热处理工艺、微合金变质处理工艺和淬火预处理工艺,提出了推广应用高硅耐磨铸钢值得重视的若干问题。     

薄板坯连铸连轧半无头轧制工艺

针对薄板坯连铸连轧工艺，从工艺、设备、布置等各方面探讨了实现连续化生产的相关技术问题，在薄板坯连铸连轧工艺中采用半无头轧制工艺，一方面避免了常规热连轧机组无头轧制工艺的投资和焊接质量的问题，另一方面避免了单坯轧制工艺存在的问题，是高效经济地生产薄且宽热轧薄板的一种很有发展前途的工艺。     

105 m2烧结机取消热振筛工艺的实践

分析了莱钢1#、2# 105 m2烧结机系统热振筛工艺存在的问题、取消热振筛后可能出现的问题,重点介绍了为满足取消热振筛后的工艺要求所进行的工艺、设备优化改造措施,总结了实施该技术所取得的经济效益.     

大规格冷镦钢ML20MnTiB的研制与开发

针对高线厂生产的Φ19mm规格的ML20MnTiB在冷镦时出现开裂的问题,从现有设备、工艺、成品性能出发,分析了开裂的原因,并提出工艺改进方案,从炼钢、轧钢工艺过程控制等方面提出了优化措施,有效地减少了生产事故和冷镦开裂问题。     

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。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<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     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

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,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

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     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

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     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

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,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

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.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

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.