Article(id=1188049577392358233, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, articleNumber=1009-5438(2024)01-0032-04, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1696521600000, receivedDateStr=2023-10-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1761182692144, onlineDateStr=2025-10-23, pubDate=1708790400000, pubDateStr=2024-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761182692144, onlineIssueDateStr=2025-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1761182692144, creator=13701087609, updateTime=1761182692144, updator=13701087609, issue=Issue{id=1188049574255018819, tenantId=1146029695717560320, journalId=1185652524569653253, year='2024', volume='50', issue='1', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1761182691396, creator=13701087609, updateTime=1761290996781, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1188503840023265810, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1188503840023265811, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=32, endPage=35, ext={EN=ArticleExt(id=1188049577581101915, articleId=1188049577392358233, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Practices on Reducing Consumption of Graphite Electrode for Ladle Furnace, columnId=1187100781414069182, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practices and Management, runingTitle=null, highlight=null, articleAbstract=

Such effective measures as adopting optimum parameters of power transmission, forming refining white slag with microfoam as early as possible, optimizing modes of bottom blowing, accurate temperature control as well as optimizing dust removal control and electrode wrench are taken through experiments of multiple heats aiming at such phenomena as oxidation, melting loss, thermal vibration and drop out of electrode easily occurred during the heating process of ladle furnace. As a result, the consumption of electrode for ladle furnace is decreased from 0.544 kg/t in 2021 to current 0.347 kg/t so that stable and trouble-free operations of smelting for ladle furnace is ensured as well as cost decreasing and benefit increasing and high efficiency continuous casting are achieved.

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针对精炼炉加热过程中,电极易出现氧化、熔损、热振及脱落等现象,通过多炉次试验,采用最优送电参数、尽早形成微泡沫化精炼白渣、优化底吹模式、精确温度控制、优化除尘控制和电极扳手等有效措施,使精炼炉电极消耗由2021年的0.544 kg/t降至目前的0.347 kg /t,保证了精炼炉冶炼稳定顺行,实现了降本增效以及高效连铸。

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梁光生(1973-),男,内蒙古包头市人,高级技师,现从事炼钢炉外精炼工作。

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梁光生(1973-),男,内蒙古包头市人,高级技师,现从事炼钢炉外精炼工作。

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阶段	时间/min	流量范围/(L·min-1)	主要目的
破顶阶段	0.1~0.2	500~600	利用高压力、大流量氩气搅拌钢液顶破渣壳
取样阶段	1~2	30~60	均匀钢水成分和温度,弱吹便于测温取样
造渣阶段	3~6	100~260	快速形成具有较高碱度和较低氧化性的精炼渣
提温阶段	10~20	150~300	根据钢水就位温度、各种热损失及升温速率等综合考虑,满足钢种离位温度要求
脱硫阶段	2~5	400~500	采用强搅拌促进硫元素由钢液向钢-渣界面迁移,发生化学反应,生成硫化物向渣层迁移
微调阶段	1~3	150~200	根据就位成分进行合金微调,满足钢种要求

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底吹氩气流量控制效果表

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阶段	时间/min	流量范围/(L·min-1)	主要目的
破顶阶段	0.1~0.2	500~600	利用高压力、大流量氩气搅拌钢液顶破渣壳
取样阶段	1~2	30~60	均匀钢水成分和温度,弱吹便于测温取样
造渣阶段	3~6	100~260	快速形成具有较高碱度和较低氧化性的精炼渣
提温阶段	10~20	150~300	根据钢水就位温度、各种热损失及升温速率等综合考虑,满足钢种离位温度要求
脱硫阶段	2~5	400~500	采用强搅拌促进硫元素由钢液向钢-渣界面迁移,发生化学反应,生成硫化物向渣层迁移
微调阶段	1~3	150~200	根据就位成分进行合金微调,满足钢种要求

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