高炉喷吹技术进展

介绍了高炉喷吹煤粉、高炉喷吹喷焦粉、高炉喷吹焦炉煤气以及高炉喷吹废塑料四种较为常见的高炉喷吹技术。     

高炉喷吹废塑料与喷吹煤粉比较分析

从工艺流程、原料化处理工艺及在高炉中能量利用三方面对高炉喷吹煤粉和废塑料进行比较分析可以看出,高炉喷吹废塑料和高炉喷吹煤粉一样可以作为高炉辅助喷吹燃料技术,高炉喷吹废塑料不仅为高炉炼铁提供了燃料,更能解决废塑料造成的环境污染问题,是兼顾社会效益、环境效益和生产效益的综合利用技术。     

鞍钢高炉综合喷吹技术分析

介绍了鞍钢在高炉综合喷吹技术领域进行的一系列探索和实践,包括喷吹褐煤、喷吹高炉除尘灰、喷煤中添加助燃剂、喷吹焦炉煤气等,结合实验室研究或工业试验探讨了相关技术的优缺点,并考察了对高炉喷吹工艺的影响以及高炉炉况变化。研究表明,相关技术具有工业可行性,并能给高炉生产取得良好技术指标创造条件,为钢铁企业实现进一步节能减排、降本增效积累了经验。     

高炉喷吹焦炉煤气技术的研究进展

综述了国外高炉风口喷吹焦炉煤气(COG)技术的研究进展,包括瑞典律勒欧使用风口理论模型模拟高炉风口喷吹焦炉煤气,奥钢联林茨厂和维也纳大学联合对高炉风口采用单、双枪喷吹焦炉煤气的模拟研究,以及喷吹焦炉煤气时在炉子下部形成CO和H2的还原能力分析。介绍了日本高炉炉身喷吹焦炉煤气的基础研究。也介绍了喷吹焦炉煤气的工业高炉及相关结果,其经验可供钢铁企业鉴借。     

高炉喷吹废塑料的现状及前景

通过对国外高炉喷吹废塑料的实践分析,探讨了我国高炉喷吹废塑料的可行性。高炉喷吹废塑料技术可为治理“白色污染”、节约能源、增加企业效益提供一个良好的途径。     

鞍钢高炉喷吹丹东煤的可行性研究

通过对丹东煤进行的实验室及高炉喷吹试验研究表明，鞍钢高炉喷吹丹东煤技术可行，同时可优化高炉喷吹用煤结构，降低喷吹用煤成本，获得最佳喷煤效益。     

高炉喷吹焦炉煤气技术

对高炉喷吹焦炉煤气技术进行了阐述.通过分析焦炉煤气的来源及性质、喷吹量及工岂流程,认为高炉喷吹焦炉煤气是可行的.     

高炉喷吹粒煤技术在菜钢的应用

介绍了高炉喷吹粒煤的燃烧机理、粒煤喷吹的工艺流程,莱钢1880m3高炉粒煤喷吹技术的生产实践,说明该技术是成熟可行的,同时阐述了粒煤喷吹技术具有投资省、能耗低、操作安全、运行成本低等优点,具有很好的推广使用价值。     

高炉喷吹废塑料的现状及前景

通过对国我高炉喷吹废塑料的实践分析，探讨了我国高炉喷吹废塑料的可行性，高炉喷吹废塑料技术为治理“白色污染”、节约能源增加企业效益提供了一个良好的途径。     

高炉喷吹煤粉

高炉喷吹燃料是大幅度地降低焦比的重要措施。这是近20年来高炉重大技术发展之一,无论是国内还是国外,高炉喷吹燃料都取得良好的效果。我国自1963年开始,先后对高炉喷吹重油和煤粉进行了实验室和工业性试验,鞍钢在1964～1965年全厂高炉普遍开始喷吹重油,1964年首钢公司、北京钢铁学院以及其它单位协作在首钢炼铁厂1~#高炉进行喷吹无烟煤试验,获得成功,不久这一技术在全厂推广。现在我国重点企业的高炉有60%以上喷吹燃料。由于近年来能源结构调整,重油供应受到限制,喷油逐年减少,喷煤逐年增多,     

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.