洁净钢的生产实践

介绍了近年来武钢第三炼钢厂在纯净钢冶炼工艺和生产方面所做的工作。描述了在钢中碳、氮、氢、硫和总氧的控制和夹杂物的变性处理上采取的措施、目前达到的水平,以及这些措施在ＩＦ钢和石油管线钢上的应用效果。     

莱钢洁净钢生产技术进步

介绍了莱钢洁净钢的生产工艺：脱碳、脱硫、脱磷、脱氮、脱氢、脱氧及夹杂物的控制,莱钢充分利用RH与LF精炼技术提升产品质量,成功开发了低碳洁净钢,将S、P、N、O、H5元素质量分数总和控制在100×10-6以下。     

攀钢纯净钢生产实践与探讨

介绍了攀钢纯净钢生产工艺和试验结果,对纯净钢生产的脱磷、脱硫以及氧氢氮的去除工艺进行了分析,建立了以半钢炼钢技术为代表的攀钢纯净钢生产工艺。     

洁净钢精炼渣控制工艺研究

介绍了某厂洁净钢生产过程中精炼渣控制工艺,对改质后精炼渣的各项性能进行了研究.结果表明,精炼渣的w(FeO+MnO)可以控制在3%以下,低熔点和低黏度保证了炉渣具有良好的流动性,炉渣溶解吸收Al<,2>O<,3>的速率较高,铸坯的洁净度水平很高.高光学碱度和高硫容量使得炉渣具有较强的脱硫能力.     

低成本高效洁净钢体系生产实践

通过采用渣循环技术,充分利用除尘灰等措施,京唐公司在低成生产上取得了突破,生产成本比常规冶炼大幅降低;通过采用一键式脱磷,一键式炼钢等先进技术,实现了铸机高拉速、恒拉速,铸坯质量大幅提高;同时,钢水洁净度水平逐步提高。     

邯钢冷轧冲压洁净钢生产实践

介绍了邯钢三炼钢厂在冷轧冲压洁净钢冶炼工艺中,对化学成分的控制方面所采取的措施,取得了较好效果.     

高效低成本洁净钢平台生产实践

以"冶金流程工程学"为指导,叙述了首钢京唐钢铁联合有限责任公司钢铁厂主体工序高效低成本洁净钢平台的功能解析与铁-钢-轧界面技术。钢铁厂投产运行两年来,总体运行情况良好,实现了工序流程最优化,"全三脱"比例稳定在80%以上;加快了物质流动速度,实现日产钢90炉;降低了能量损失,出钢温度大幅降低;各种物耗降低,副原料和常规比降低30%以上。     

八钢电炉洁净钢生产实践

介绍八钢电炉在生产洁净钢方面的部分实践 ,阐述了整个工艺过程中控制 P、S、O、N等杂质元素及非金属夹杂物的一些措施。     

衡钢管线用洁净钢EBT EAF-LF(VD)-HCC工艺生产实践

衡阳钢管公司用 30tEBT电弧炉、LF(VD)和水平连铸工艺生产的管线钢洁净度为 :P≤ 0 .0 15 % ,S≤ 0 .0 0 6 % ,H 2× 10 - 6 ,N≤ 5 0× 10 - 6 ,O(15～ 30 )× 10 - 6 ,As+Sn +Pb +Sb +Bi≤ 0 .0 5 0 %。     

洁净钢生产实践

本文评述了在钢包、中间包和连铸机上提高钢水洁净度的操作，旨在提供生产洁净钢的有用信息，关注氧化铝夹杂物的控制。     

Low-Cost and Large-Scale Clean Steel Production Technology

As the market demand for clean steel increased,a number of new technologies for clean steel production have been developed in some domestic and foreign steelmaking plants.Based on the existing equipments and technical conditions in the No.1 steelmaking plant of Ansteel,a series of clean steel technologies have been integrated including single bay duplex-dephosphorization in steelmaking control technology,high efficiency desulfurization technology,the control technology for nitrogen content during the whole process,the control technology for hydrogen content in VD,and the systematic control technology for oxygen content.A series of process for all kinds of ultra-low phosphorus,ultra-low sulfur and relative low level of inclusions have been designed in clean steel production.This process include hot metal desulfurization and slag-off,single bay duplex-dephosphorization in BOF,molten steel slag-off,LF processing,VD processing,and continuous casting with protection,then a stable,low-cost and large-scale production process has been formed.Applying this integrative technology,the sum of 5 major elements including phosphorus,sulfur,oxygen,nitrogen,hydrogen is less than 80×10-6 in high alloy steel scale production,and the industrial applications for clean steel technology have been achieved.     

钢的洁净度控制及生产新技术

论述了钢的洁净度对钢材性能的影响,介绍了洁净钢生产中S、P、N、O和非金属夹杂物的控制技术,分析总结了洁净钢生产的新技术,并展望了洁净钢生产技术的发展前景。     

Control of Sulfur Content in the Production of Clean Steel in Panzhihua Steel

This article mainly introduced the process of clean steel with different ways in Panzhihua Steel based on high sulfur content hot metal. With the development and application of sulfur control technologies in hot metal pretreatment, converter steel-making and refining processes, Panzhihua Steel had achieved the production of clean steel such as 350km/h steel for high speed railway, electric steel, etc.     

对复吹转炉低成本、高效化生产洁净钢水理论与实践的再认识

 在回顾总结国内外开展洁净钢水生产技术发展过程的基础上,对复吹转炉低成本、高效化生产洁净钢水工艺的技术原理及相关必要性进行了分析,包括复吹转炉低温脱磷、顶吹与底吹的协同作用、新工艺的连续化实施、脱碳期高效供氧、脱磷炉渣资源化技术途径等。认为要获得好的工艺实施效果,不仅要全面客观地掌握新工艺实施的技术要点,更要具备一定的技术与精细化管理基础。结合新工艺在生产实践中出现的具体问题,提出了改进建议。     

洁净钢新技术与高品质钢的生产

综述了国内外洁净钢技术的发展与新观点,在工业生产中的定义,生产过程中洁净度的控制,以及高品质钢对钢水洁净度的要求;提出了洁净钢经济洁净度控制与发展策略。     

Process Analysis and Practice of Clean IF Steel Production

Based on the current process and equipment conditions of No.3 steelmaking and continuous rolling plant, which consists of desulphurization and slag skimming of hot metal, 260t combined blown BOF, rimmed steel tapping with slag stopping process, RH-TB vacuum treatment process and medium thin slab continuous casting, the methods for improving cleanliness of IF steel in BOF smelting, RH vacuum treatment and continuous casting were investigated. According to results of theoretical analysis and experiments, a series of quality controlling schemes were proposed for improving cleanliness of IF steel via controlling chemical composition, T[O] content, tapping temperature, shrouded casting and controlling stability of continuous casting.     

洁净钢制备技术的研究现状及发展

介绍了洁净钢制备技术研究现状,包括生产工艺、钢中杂质元素(S、P、O、N、H)的去除和非金属夹杂物的控制,对于洁净钢的未来发展趋势也进行了展望。     

论纯净钢及其生产技术

详细介绍了纯净钢的生产技术:去碳、去硫、去磷、去氮、去氢、去氧及夹杂物的控制,最后阐述我国纯净钢的生产现状及趋势.     

洁净钢精炼实践

从热力学和动力学的角度分析了ASEA -AKF精炼过程 ,并针对洁净钢生产优化了精炼工艺 ,得到了稳定的产品质量 ,使高碳钢 (w (C) =0 .5 5 %～ 0 .6 5 %)中w (T .O)平均 <15× 10 -6、w([Si]) <0 .0 10 %,w(夹杂 )总量为 0 .0 0 2 3%。