Development of A New Slag-less Steelmaking Process at NKK

机译：在NKK开发新的渣炼钢过程

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NKK has successfully developed a new "slag-less" steelmaking process, in which the volume of discharged steelmaking slag is remarkably reduced. This process consists of two main technologies; one is hot metal desiliconization process which keeps silicon content stably low enough to optimize subsequent pretreatment, and the other is effective and massive dephosphorization pretreatment in a BOF vessel, for example, to reduce phosphorous below the levels of crude steel grades. This application accomplished the decrease in CaO consumption and reduction of slag volume by half, as well.

机译：NKK已成功开发出一种新的“瑞石”炼钢工艺，其中排出的炼钢渣的体积显着降低。这个过程包括两个主要技术;一种是热金属脱硅化方法，其使硅含量保持足够低以优化随后的预处理，另一个是在BOF容器中有效和大量的脱磷预处理，例如，以降低磷等级低于粗钢等级的磷。该应用完成了Cao消耗的减少，也可以减少渣体积的一半。

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《International Conference on Steel and Society》|2000年||共4页
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Eiji Sakurai; Shin-ichi Akai; Atsushi Watanabe;
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中图分类 TF4-532;
关键词
hot metal pretreatment; desiliconization; dephosphorization; steelmaking slag;

机译：热金属预处理;脱硅;脱磷;炼钢渣;

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专利

1. Slag-less steelmaking at NKK Fukuyama [J] . Steel Times International . 1998,第3期

机译：NKK福山的无战斗炼钢
2. Development of new steelmaking process with minimum slag generation at NKK Fukuyama works [J] . E. Sakurai, S. Akai, S. Tanaka, Iron & Steelmaker . 1999,第8期

机译：在福冈NKK工厂开发新的炼钢工艺并减少炉渣产生
3. The Development of the Possible Proportion between the Oxygen Steelmaking and Electric Steelmaking Processes Depending upon the Charge Supply [J] . TARDY PAL, KAROLY GYULA Banyaszati es Kohaszati Lapok.: Kohaszat . 2003,第3期

机译：根据装料的不同，制氧和炼钢工艺之间可能比例的发展
4. Development of A New Slag-less Steelmaking Process at NKK [C] . Eiji Sakurai, Shin-ichi Akai, Atsushi Watanabe International Conference on Steel and Society . 2000

机译：在NKK开发新的渣炼钢过程
5. Phosphorus Control in DRI-EAF Steelmaking: Thermodynamics, Effect of Alumina, and Process Modeling [D] . Tayeb, Mohammed A. 2015

机译：DRI-EAF炼钢中的磷控制：热力学，氧化铝的影响和过程建模
6. Exposure characterization and risk assessment of ultrafine particles from the blast furnace process in a steelmaking plant [O] . Xiangjing Gao, Xingfan Zhou, Hua Zou, 2021

机译：炼钢厂高炉过程中超细颗粒的曝光表征及风险评估
7. Energy Saving II. New Developments of the NKK's Environmental and Recycling Technologies for the Municipal Wastes. [O] . Yoji Ogaki 1997

机译：节能II。 NKK为市政废物的环保和回收技术的新发展。
8. Materials and Processing Research Center, NKK Research and Development Division,Kawasaki, 11 May 94 [R] . McQuay, P. 1994

机译：1994年5月11日，川崎NKK研究开发部材料与加工研究中心

Development of A New Slag-less Steelmaking Process at NKK

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