板坯漏钢预报系统在生产中的应用

阐述了粘结漏钢的形成机理和漏钢预报系统的基本原理.通过统计典型粘结数据,分析并优化了漏钢预报系统的参数,提出提高漏钢预报系统预报准确率的措施,以进一步降低粘结漏钢率.     

宝钢板坯连铸漏钢预报技术的进展

漏钢预报是连铸的一项重要技术,自宝钢板坯连铸投产以来,对漏钢预报系统的软件、硬件进行了多次技术升级和技术改造,显著提高了漏钢预报的使用性能和技术指标.在回顾宝钢板坯连铸投产以来漏钢预报技术发展过程的基础上,阐述了最新开发的漏钢预报系统BBPS<'2>的应用情况,同时对新投产的4号连铸机热成像漏钢预报系统情况做了说明.漏钢预报技术在提高连铸机的产能、改善铸坯质量、减少漏钢事故等方面发挥了重要作用.     

提高结晶器漏钢预报警准确率的措施

分析了天津钢铁集团有限公司四号连铸机现行漏钢报警系统的构成及工作原理,找出了实际生产中影响漏钢预报警的影响因素,通过加强对结晶器铜板的检查、完善热电偶安装、加强炼钢操作和钢水脱氧管理等措施,提高了漏钢预报的准确率,减少了漏钢事故的发生。     

板坯漏钢预报系统在生产中的应用

介绍了唐钢FTSC薄板坯连铸机漏钢预报系统的原理和应用情况,并通过实践应用提出了提高漏钢预报系统预报准确率的措施,取得了显著的效果。     

VAI连铸结晶器漏钢预报系统的应用实践

介绍了鞍钢鲅鱼圈钢铁分公司连铸机结晶器漏钢预报系统的工作原理和应用实践;通过对实际应用中产生的粘结漏钢报警信息分析,找出了影响漏钢误报和漏报的原因,并提出相应的改进措施,提高了结晶器漏钢预报系统的精度,降低粘结漏钢误报率。     

结晶器漏钢预报系统在济钢5~#连铸机中的应用

为了稳定生产和提高铸坯质量,济钢5#连铸机应用了结晶器漏钢预报系统,通过对生产过程中结晶器运行参数的处理,检测结晶器内铸流的漏钢趋势并发出报警信号,同时向连铸机L1级系统反馈降低拉速的信号,主要应用预报系统的热流画面与冷点检测、反粘钢和反漏钢等功能。预报系统应用后,降低了粘结漏钢事故的发生率,保证了产品质量,延长了设备寿命,改善了铸机岗位人员的操作条件。     

降低结晶器漏钢预报系统误报率的措施

文章阐述了粘接漏钢的形成机理和漏钢预报系统的基本原理。分析造成误报警的主要原因,增加相应防护措施,提高漏钢预报系统的准确率,减少接痕坯,提高了铸坯质量。     

连铸漏钢预报系统应用及改进

介绍了达涅利漏钢预报系统的结构组成、漏钢预报判断原理、预报算法以及现场应用存在的问题及改进措施。     

漏钢预报系统在板坯生产中的应用

介绍了天钢炼钢厂4#板坯连铸机漏钢预报警系统的组成、工作原理和生产应用实践.对漏钢预报系统报警准确率的影响因素进行分析,指出了生产中存在的问题,通过改进生产操作和优化工艺参数等措施,使漏钢预报系统的准确率进一步提高.     

宝钢板坯连铸漏钢预报系统（BBPS）的开发与应用

漏钢预报是连铸的一顶重要技术,文中重要介绍了宝钢开发的漏钢预报系统BBPS,该系统从1999年9月投入现场应用以来,操作性能和各项技术指标双原引进日本的漏钢预报装置有较大的提高,在提高连铸机的产能、改善铸坯质量、减少漏钢事故等方面发挥了重要作用,该技术已完全取代了原来引进日本的技术。     

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

正~~     

Zinc Production by Province in 2014

正~~     

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.