烧结机系统漏风综合治理技术

介绍了烧结机漏风现状,对漏风率影响因素进行了分析,通过对比传统和量热法两种检测漏风率方法,提出了烧结机本体漏风率在线监测技术及降低漏风的具体措施。     

360m~2烧结机系统漏风分析及改进

通过对鞍钢股份有限公司炼铁总厂三烧烧结机漏风率及漏风原因调查和分析,提出了调整烧结机头尾密封盖板、改造双层阀等降低漏风率措施。实践表明,采取措施后,烧结机漏风率明显降低,漏风率稳定在46%~47%之间。     

太钢烧结机漏风率检测与漏风治理实践

在分析现有测定漏风率的方法和实践的基础上,太钢采用氧含量法检测大型烧结机漏风率,建立了烧结系统各部位漏风率数据库,对漏风率进行预判,并采取相应的治理措施,形成测堵漏风的机制,达到降本增效、改善生产环境的目的。     

烧结机本体漏风率在线测量技术及应用

根据烧结系统漏风率分布状况,主要漏风区域是烧结机本体.针对该区段开发了以量热法为基础的在线漏风测量技术,可以对不同风箱漏风率变化状况进行监测,结合对其它区段漏风率的检测.可为有效采取减漏措施提供依据,实现了有效降低烧结系统漏风率的目的.     

烧结机低漏风综合密封技术及其在宝钢湛江的应用

针对烧结机的漏风问题,分析了其漏风原因,找出了相应的漏风环节,在此基础上介绍了中冶长天开发的低漏风综合密封技术—负压吸附式端部密封技术、新型滑道密封技术、烧结机台车密封技术、气动双层卸灰阀技术等。并采用烧结机台车空载静态密封测试与烧结机台车额定负载动态测试相结合检测烧结机漏风率的方法对实施低漏风综合密封技术的湛江烧结机进行了漏风检测,烧结机本体漏风率为17.59%,与普通烧结机相比,漏风率下降比例近50%,符合国家节能减排、降本增效的产业化政策。     

360m~2烧结机抽风系统漏风测定及对策分析

降低漏风率是烧结行业增产、节能、降耗、提高质量的有效途径之一,阐述了烧结漏风率对产量和质量的影响。介绍了台车漏风测定方法及降低漏风的具体措施,并对堵漏风设备提出了改进措施。     

重钢烧结机机头机尾漏风治理方案探讨

通过对烧结机漏风情况的分析，制定了测定漏风率方法，通过对重庆钢铁集团公司烧结厂两台105m^3烧结机机头、机尾漏风率的测定，对漏风率和烧结机利用系数之间的关系进行了理论计算。为了降低烧结机机头机尾的漏风率，设计了软体密封，在烧结杯中进行试验，效果显著。     

265 m2烧结机漏风检测及治理

通过对烧结系统漏风率检测方法的改进,为准确判断漏风率分布及采取有效漏风治理措施提供了科学指导。经生产实践检验,采用科学烧结机漏风检测方法,确立烧结综合漏风管控措施,可有效降低烧结机漏风率,能够提高产线效率,实现烧结机产量的提升。     

唐钢烧结机漏风率的测定与漏风治理

介绍了烧结机漏风率的测定方法。结合唐钢3#烧结机漏风率的在线检测和计算,分析了烧结机漏风的主要部位。在此基础上,提出了烧结漏风的治理措施,烧结机的漏风率由49.64%下降到43.21%,台时产量增加2.84 t,成品率提高1.23%。     

烧结机分区段漏风测试技术研究及应用

烧结机漏风问题直接影响烧结过程的各项技术经济指标。采用多种方法分别对烧结机各区段的漏风率进行了测定，并在此基础上提出漏风重点部位和定量数据，以便采取有利的防止漏风、降低漏风率的措施。在现场实施后证明是行之有效的，烧结机总漏风率下降了5．74％。     

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.