昆钢2000m3高炉炉料结构的优化

通过对昆钢6号高炉炉料结构的不断优化,高炉技术经济指标明显改善,并对今后的炉料结构进行了展望.     

八钢2500 m3高炉优化冷却的措施

对八钢A高炉(2500m3)优化冷却的措施进行了总结.在分析高炉炉体冷却能力不足的因素的基础上,针对性地采取了一些优化冷却的措施,使A高炉的炉体冷却效果明显改善,高炉利用系数达到2.1,煤比稳定到140kg/t.     

八钢高炉炼铁技术进步

对八钢炼铁技术进步的主要经验进行了总结.近年来,八钢炼铁厂通过优化炉料结构,改善原燃料质量;实施技术改造,提高高炉装备水平;优化高炉操作和加强基础管理等措施,使炼铁生产水平得到大幅度提高,各项技术经济指标明显改善.     

湘钢4号高炉生产操作的改进

对湘钢4号高炉牛产操作的主要经验进行总结.通过加强原燃料管理、增加富氧率、提高喷煤比、不断优化高炉操作等措施,湘钢4号高炉的各项技术经济指标明显改善.     

韶钢炼铁生产技术近年来的进步

通过发展精料技术、改造工艺设备、优化高炉操作以及优化生产管理等措施,使高炉生产的主要技术经济指标得到了明显改善.2000年利用系数达到2.827t/(m3·d),焦比达到452kg/t,煤比达到103kg/t.     

安钢300m3高炉配加印度球团矿的生产实践

安钢对300m3高炉炉料结构进行优化,用印度球团矿替代部分酸性海南矿及水冶球团矿配料,高炉增产节焦效果明显,各项生产指标得以改善.     

1300℃高风温技术在首钢京唐公司5500m3高炉的应用

通过采取优化高炉煤气系统工艺流程、配置BSK顶燃式热风炉和预热炉、煤气和助燃空气双预热、强化高炉富氧操作和优化热风炉烧炉参数等措施,首钢京唐公司5500m^3高炉热风炉系统实现了在全烧高炉煤气的情况下为高炉提供1300℃风温的目标。同时,通过采取改善原料条件、提高顶压、稳定理论燃烧温度、加大矿批和规范炉内操作等措施,使高炉经济技术指标得到明显改善。     

安钢300m3高炉增产降焦的生产实践

安钢炼铁厂通过重视精料工作,优化烧结配料及高炉炉料结构,使入炉品位大大提高,在此基础上强化高炉操作,采用高风温、富氧喷煤、低硅铁冶炼等技术措施,使高炉技术经济指标明显改善.2000年高炉利用系数达3.06t/m3.d,入炉焦比为418kg/t.     

应用系统工程原理 加强南钢高炉操作管理

南钢炼铁厂应用系统工程原理，对高炉操作管理系统进行优化，加强了高炉操作管理，明显改善了高炉技术经济指标，１９９７年高炉利用系数达２．４５５。     

提高高炉风温操作实践

武汉钢铁有限公司6号高炉中修期间对热风炉的预热器进行了重修改造,改造后预热效果明显改善。通过优化烧炉管理,加强设备点检,优化高炉操作,高炉风温水平得到大幅提高,已接近1 200℃,降低了高炉燃料消耗。     

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.