用相干喷嘴模拟金属浴中杂质氧化过程

IF 1.1 Q3 METALLURGY & METALLURGICAL ENGINEERING Acta Metallurgica Slovaca Pub Date : 2023-06-20 DOI:10.36547/ams.29.2.1733
T. Golub, L. Molchanov, S. Semykin, A. Koveria
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引用次数: 0

摘要

氧气转炉工艺的主要任务是生产具有特定性能的液态金属半成品。它直接关系到吹制方式和设备的优化,负责熔炼的工艺和技术经济参数。将氧气引入熔体的过程组织的有效性,以及相应地通过金属浴的同化,基本上取决于喷枪喷嘴的设计。在电冶金中,相干喷嘴用于提高熔池混合性能和激活工艺(一个用于供应氧气的中心喷嘴和一个围绕它的外围喷嘴,用于供应气体作为形成包围火焰的燃料)。因此,作者研究了在氧气转换器工艺的使用条件下(向喷嘴的两个部分供应氧气),相干顶部喷嘴对金属浴中杂质氧化的影响。通过使用Cu-Zn熔体(1%)对Si从热金属的氧化过程进行高温模拟,当比较通过具有75%周边部分的相干型喷嘴和等效直径的传统喷嘴的吹送时。
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MODELLING THE PROCESS OF OXIDISING IMPURITIES IN A METAL BATH USING COHERENT NOZZLES
The main task of the oxygen-converter process is to produce a liquid metal semi-product with specified properties. It is directly related to the optimization of the blowing mode and devices responsible for the process and technical and economic parameters of melting. The effectiveness of the organization of the process of introducing oxygen into the melt, and, accordingly, assimilation by the metal bath basically depends on the design of the lance nozzles. In electrometallurgy, coherent nozzles are used to improve bath mixing performance and activate processes (a central nozzle for supplying oxygen and a peripheral one surrounding it for supplying gas as a fuel that forms an enveloping flame). Therefore, the authors conducted a study of the influence of coherent top nozzles on the oxidation of impurities in the metal bath under the conditions of the use for the oxygen-converter process (with oxygen supplied to both parts of the nozzle). A high-temperature simulation of the oxidation process of Si from hot metal was carried out by using a Cu-Zn melt (1%) when comparing blowing through a nozzle of a coherent type with a peripheral part of 75% and a conventional nozzle of the equivalent diameter.
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来源期刊
Acta Metallurgica Slovaca
Acta Metallurgica Slovaca METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
2.00
自引率
30.00%
发文量
22
审稿时长
12 weeks
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