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自动控制技术在120t转炉控制系统中的应用乔卫国1,杨怀玲1,孟伟1,王永刚1(1.山东省莱芜市莱芜钢铁集团有限公司自动化部)摘 要:重点介绍120 t转炉自动炼钢控制系统,主要从研究思路,技术方案制定到系统的升级改造以及关键技术的实施等多方面进行详细的阐述.自动炼钢系统打破了传统炼钢模式下多个制约生产的瓶颈,实现了自动炼钢过程中氧枪系统的精确快速定位控制,氧气流量和压力的稳定性控制以及手/自动无扰动切换,散状料加料的精确控制以及铁水和废钢等原料的原始数据快速准确采集,消除了在数据采集中的人为干扰因素,大大提高......
单光路激光气体分析仪在转炉煤气回收中的应用王飞1(1.山东省济南市济南钢铁股份有限公司第三炼钢厂 )摘 要:针对转炉煤气回收柜前,干法除尘工艺中电除尘装置后煤气浓度分析的重要性和目前分析系统的不足,结合冶金行业大力推行节能减排,绿色炼钢的可持续发展模式,介绍济南钢铁股份有限公司第三炼钢厂新炼钢转炉的煤气浓度分析仪,详细说明激光分析仪工作原理,重点介绍单光路激光气体分析仪在转炉干法除尘中的应用问题.实践证明激光分析仪能够满足在转炉煤气回收利用中煤气浓度的监测功能要求. 关键词:单光路; 激光分析仪......
Catalytic combustion of diesel soot over K2NiF4-type oxides La2-xKxCuO4 LIANG Cunzhen1,WANG Xuezhong2,ZHU Ling1 (1.Department of Environmental Engineering, Beijing Institute of Petrochemical... the Sol-Gel method, characterized by X-Ray Diffraction (XRD), Fourier Transform Infrared (FT-IR), and Scanning Electron Microscopy (SEM). The catalytic activity for soot combustion was evaluated......
decreases noticeably with the increase of Cu content. Compared with other samples, the better reducibility and activity oxygen species of (CuO)10%/CeO2 coincide with its better catalytic activity.Key words:mesoporous CeO2; catalytic activity; CuO/CeO2; CO oxidation......
; 文献标志码:A 文章编号:1672-7207(2011)02-0287-07 Effect of converter sludge on reduction degree of pellets WANG... and Bioengineering, Central South University, Changsha 410083, China) Abstract: The effects of converter sludge on the reduction degree of pellets were investigated by studying the mineral composition and structure......
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Novel concept of recycling sludge and dust to BOF converter through dispersed in-situ phase induced by composite ball explosive reactionFu-ping Tang,Shu-juan Yu,Peng Fei,Hou-yu Hou,Feng Qian,Xiao-feng WangAnsteel Group Corporation摘 要:Recycling of iron and steelmaking dusts is a key issue in environmental protection efforts and to ensure efficient......
and Technology, Ganzhou 341000, China;2.Nanchang Engineering and Research Institute of Nonferrous Metals, Nanchang 330000, China) Abstract:With coal gas as a reducing agent, the catalytic reduction of SO2 to sulfur in the flue gas produced in metallurgical processes was studied over catalysts of rare earth-Fe/Al_2O_3 (REFe/Al_2O_3). The catalytic activity of the REFe/Al_2O_3 catalyst......
NO catalytic activity of selective catalytic reduction with ammonia (NH3) by CuMn-ZSM-5 catalysts HUANG Xiu-guo, LI Cai-ting, LU Pei, LI Qun, DING Yan-min (College of Environmental Science & Engineering, Hunan University, Changsha 410082, China) Abstracts: CuMn-ZSM-5 catalysts were prepared by incipient impregnation method, and NO catalytic activity of selective catalytic reduction (SCR......
Preparation and Physicochemical Characterization of La1-xCexCoO3+δ Perovskite Catalyst and Its Methane Catalytic Combustion 龙志奇1,崔大立1,李明来1,崔梅生1,张顺利1,黄小卫1 (1.Grirem Advanced Materials Co.,Ltd,General Research Institute for Nonferrous Metals,Beijing 100088,China) Abstract:Perovskite oxide LaCoO3 methane catalytic material was synthesized with citric acid complexation and bubbling method.The......