铝热法冶炼高钛铁工艺试验

探讨了采用铝热法、以金红石为原料生产65%-75%高钛铁的冶炼工艺,经20kg级（100kg级）、200kg级和500kg级等三个阶段试验,取得了较佳工艺技术条件和较好的技术指标,生产出含钛73.77%的高钛铁、钛的回收率为78.83%,并对试验影响因素进行了分析讨论。试验证明,以金红石为原料、采用铝热法冶炼高钛铁在技术上是可行的。     

钛渣铝镁法冶炼高钛铁的研究

以钛渣为原料研究铝镁热法制备高钛铁的工艺,讨论了炉料单位热量及不同还原剂配方对冶炼效果的影响．实验结果表明,铝镁热法制备高钛铁在技术上是可行的,用铝镁做还原剂,炉料单位热量为2950kJ／kg时可制备钛含量为68．2％的钛铁合金,用镁代替10％的用铝量可使钛铁合金中的铝含量小于4％．     

高品位钛铁生产新工艺的研究与探讨

研究了通过还原法生产高钛铁(Ti>65%)的不同工艺,主要探讨了采用铝热法,以钛精矿为原料生产高钛铁的冶炼工艺,并简述了实验室条件下用铝热法冶炼高钛铁的情况,讨论了影响钛回收率的主要因素.实验结果表明,采用铝热法生产高钛铁在技术上是可行的,但杂质含量较难控制.     

用攀枝花钛精矿冶炼钛铁的探讨

结合攀枝花钛精矿的特点，探讨了采用铝热法冶炼钛铁时钛回收率低、铝耗量高的原因，并提出了相应的解决措施。     

电铝热法冶炼钛铁工艺试验

本文介绍了电铝热法冶炼钛铁工艺试验结果。以钛铁精矿和钛渣为原料，在电炉内采用堆积法冶炼，所产合金符合ＧＢ３２８２－８７标准，铝消耗下降，金属回收率大于７０％。     

用钛精矿与钛渣冶炼钛铁的研究

以钛精矿与钛渣为原料研究了铝镁热法制备高钛铁的工艺,讨论了炉料单位热量及不同还原剂配方对冶炼效果的影响。实验结果表明,铝镁热法制备高钛铁在技术上是可行的,用铝镁做还原剂,炉料单位热量为2 950 kJ/kg时可制备钛含量为68.2%的钛铁合金,用镁代替10%的用铝量可使钛铁合金中的铝含量小于4%。     

金属热法重熔废钛屑生产钛铁

本文叙述了金属热法重熔废钛屑的冶金原理及用此法生产钛铁的工艺流程。该工艺具有设备简单、操作方便、投资少、自身不消耗能源、经济效果显著等特点,是回收利用废钛屑的可行方法,用金属热法重熔废钛屑生产的钛铁质量符合部颁标准,与用铝热法比较,每生产一吨钛铁可节约铝0.33吨。     

高钛铁的实验室研究

简述了实验室条件下用铝热法冶炼高钛铁(Ti＞65%)的情况,讨论了影响钛回收率的主要因素.     

浅谈铝热法冶炼钛铁的热力学及其工艺

从热力学上探讨了铝热法冶炼钛铁，提出了体系＂反应最高温度＂与＂反应最低温度＂的计算方法，体系反应的＂平衡点温度＂选择在２３９２Ｋ土范围内为宜。提出了对目前生产钛铁工艺的看法。为适应发展含钛不锈钢连铸的需要，建议用电铝热法生产钛铁。     

利用碳热法直接由钛矿熔炼中钛及高钛铁合金

传统的铝热法生产钛铁合全的主要缺点是铝的消耗量大．每生产1基准吨钛铁合金（含Ti20％）要消耗880kg钛铁矿精矿,405kg铝份,23kg硅铁合金,190kg铁矿,105kg石灰,75kg铁合金残料．制得钛铁合金的化学成分（质量％）为：30—32Ti,4．5～8.1Si,8—11Al,0．03—0．05P,0．02S．熔炼后的炉渣中含有12％～16％的TiO2.为了回收炉渣中的钛,还需要用硅铁和再生铝粉对炉渣进行补充还原,制出含钛20％-22％、硅18％～23％、铝25％－30％的硅钛铁合金．这样可使钛的总利用串提高到75％～脱低为了减少钛铁合金生产中铝粉的消耗量,研究人员…     

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.