攀钢洁净钢生产实践

简要介绍了攀钢炼钢厂的装备及工艺技术水平,叙述了攀钢近年来为实现洁净钢生产,在铁水预处理、转炉冶炼、钢水精炼(脱硫、脱氧、脱磷及夹杂物控制)等方面所作的改进,以及在350 km/h高速铁路用钢、抗H2S腐蚀石油管坯钢等典型钢种上的应用,实现了wT[0]≤0.001 5％,w[S]≤0.005％,w[P]≤0.010％,...     

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。     

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。     

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.     

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。     

洁净钢的开发研究——模型概观

近年来，夹杂工程模型采用了热动力学模型描述各个工艺阶段的渣－金属平衡。然而导出的渣夹杂常与测量的成分不一致，所以必须把二次氧化或溶解反应包括在计算结果内，以便与测量结果相符。虽然，非金属夹杂在最终产品中的数量是内部反应的结果，它包括局部平衡及过程动力学。为了解产生夹杂的每一过程与钢的反应及耐火材料、渣，气氛，从钢中的去除或保留，还要考虑液体以及夹杂物的稳定性。作为第一步，已经对钢水浇注期间的流体例     

IF钢主要成分冶炼控制的生产实践

介绍了本溪钢铁公司炼钢厂在冶炼IF钢的工业试验研究中，确定了生产IF钢的工艺参数以及对有害元素的控制措施，为今后批量生产提供依据。     

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。     

洁净钢氧化夹杂分析方法评述

概述了钢中氧化夹杂来源和可测信息，当前各种夹杂分析方法的要点和适用场合，探讨了新测试技术在洁净钢质量表征及配合精炼工艺开展临线快速分析的应用前景。     

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.     

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。     

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。     

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。     

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.     

国内外纯净钢生产先进技术

概述了近年来国内外一些先进炼钢厂的纯净钢生产新技术,分析了碳、硫、磷、氢、氧、氮等元素在钢中的行为和降低钢中杂质元素的相关措施。指出多工序分阶段精炼,大规模经济地生产纯净钢是一种发展趋势。     

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.     

洁净钢生产技术初探

主要论述钢的洁净度与其性能之间的关系,以及近年来国内外主要钢厂生产洁净钢控制钢中杂质元素[C、S、P、N、H、O]技术的进展,为鞍钢纯净钢的生产提供有益的借鉴.