10kV真空断路器的试验及维护

论述了10 kV真空断路器日常的巡检及维护、定期试验的内容,提出了相应处理方法,确保真空断路器安全运行。     

延长真空断路器使用寿命的探讨

介绍了延长真空断路器使用寿命的方法,为真空断路器的设备制造与维护提供了依据。     

真空灭弧室的绝缘问题分析

通过对真空灭弧室的绝缘进行分析,找到绝缘损坏的原因,对真空断路器进行了优化调整,合理维护和使用,提高了真空断路器寿命。     

检修人力资源在不同生产单元的开发与应用

介绍了济钢检修人力资源通过整合成立检修工程公司,打破济钢多年来检修模式,实现检修人力、物力、技术、资源的共享,既保证了产线稳定运行,又实现了外部创效。     

应用真空断路器改造老式开关柜

鞍钢有许多ＧＧ—ＩＡ老式开关柜，其贫油断路器在分断频繁的场合下使用，供电事故率高，检修费用大。为此，采用真空断路器替代了老式贫油断路器以改造旧开关柜，取得了较好的经济效益。     

发电机断路器的经济选择及运行的经济分析

发电机断路器选择的原则要遵循既能满足技术条件、环境条件和运行维护，又要进行技术经济比较。我们在选择时充分遵循上述原则，通过对少油断路器、六氟化硫断路器、真空断路器的技术分析和经济比较，选择了合适的断路器。     

烧结机头烟尘达标排放的措施

济钢第一炼铁厂针对5台烧结机机头电除尘进行增效改造,从烧结生产控制、设备检修维护、除尘灰外排等方面分别进行了分析,介绍了烧结机头烟尘排放达标的措施.     

低频声波清灰装置在煤气加压机叶轮清灰中的应用

济钢高炉煤气经湿法除尘后的煤气中部分粉尘附着于煤气加压机叶轮与机壳之上。人工对壳体和叶轮挂灰进行清理费时、费力、影响生产。经采用低频声波清灰装置,减少了检修和维护的费用。     

真空断路器参数恶化对冶炼变压器的影响

阐述了一起由于真空断路器参数恶化引起的变压器绝缘击穿事故,分析了由于真空断路器参数恶化引起变压器绝缘击穿的原因,提出了选用高质量真空断路器等建议。     

济钢1750m~3高炉冲渣系统的优化改造

济钢1750mm~3高炉冲渣系统使用焦化水,造成粒化轮、脱水器内部腐蚀严重,设备维护作业量大、安全施工难度高。为避免因冲渣系统设备故障对高炉正常生产造成影响,采用了一系列措施对冲渣系统进行设备改造,实现了冲渣设备的安全定期检修,大大降低了日常的维护作业量,确保了设备的稳定运行,有效保障了高炉正常生产。     

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.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

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.