Article(id=1188049579204297578, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, articleNumber=1009-5438(2024)01-0015-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1695744000000, receivedDateStr=2023-09-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1761182692576, onlineDateStr=2025-10-23, pubDate=1708790400000, pubDateStr=2024-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761182692576, onlineIssueDateStr=2025-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1761182692576, creator=13701087609, updateTime=1761182692576, 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=15, endPage=19, ext={EN=ArticleExt(id=1188049579401429868, articleId=1188049579204297578, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Practices on Reducing Solid Fuel Consumption in 2
# Sintering Workshop of Iron-making Plant of Baotou Steel, columnId=1187100781414069182, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practices and Management, runingTitle=null, highlight=null, articleAbstract=
In the paper, the current situation of higher solid fuel consumption for 2# sintering machine in 2# Sintering Workshop of Iron-making Plant of Baotou Steel is systematacially analyzed. The fuel with comprehensive particle size>5 mm is controlled at 15%~20% and that with comprehensive particle size<1 mm is controlled at about 30% through classifying different fuel bands, putting them into tank and crushing them as well as controlling reasonable proportion of anthracite and coke powder; effective material layer thickness is increased and automatic heat storage effect is improved through increasing height of baffle for trolley of sintering machine to 750 mm and reducing thickness of bed charge from 85 mm to 70 mm; overdamp layer of sintering is reduced through reducing moisture of sinter mixture from 7.2% to 6.9%. The solid fuel consumption in 2# sintering workshop is reduced significantly through taking the above measures. It reached 50.33 kg/t in 2023, which is 2.13 kg/t lower than that in 2021, which lays the foundation for further reducing energy consumption in working procedure before iron-making.
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文章针对包钢炼铁厂烧结二部2#烧结机固体燃耗较高的现状进行了系统地分析。通过对不同品种燃料进行分类装槽、破碎,控制合理的无烟煤与焦粉比例,将燃料综合粒度>5 mm部分控制在15%~20%之间,<1 mm部分控制在30%左右;通过将烧结机台车挡板提高到750 mm,同时将铺底料厚度由85 mm下调至70 mm,提高了有效料层厚度,增加了自动蓄热效果;通过控制烧结混合料水分由7.2%降至6.9%,减小了烧结过湿层。采取上述措施后,烧结二部固体燃耗显著降低,2023年固体燃耗达到50.33 kg/t,较2021年降低了2.13 kg/t,为进一步降低铁前工序能耗奠定基础。
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钱万钧(1981-),男,内蒙古包头市人,高级技师,现从事烧结生产管理工作。
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钱万钧(1981-),男,内蒙古包头市人,高级技师,现从事烧结生产管理工作。
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钱万钧(1981-),男,内蒙古包头市人,高级技师,现从事烧结生产管理工作。
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铁矿石烧结节能与环保的研究[D]. 武汉: 武汉科技大学,
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| 品种 | 破碎前粒级分布 | | 破碎后粒级分布 |
| >5 mm | 3~5 mm | 1~3 mm | <1 mm | >5 mm | 3~5 mm | 1~3 mm | <1 mm |
| 自产焦粉 | 27.52 | 24.47 | 27.73 | 20.28 | | 19.83 | 23.37 | 29.33 | 27.47 |
| 烧结用无烟煤 | 37.44 | 21.64 | 21.34 | 19.58 | | 21.72 | 22.02 | 26.65 | 29.61 |
| 外购焦粉 | 13.42 | 22.21 | 22.05 | 42.32 | | 6.83 | 20.64 | 23.75 | 48.78 |
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不同燃料破碎前后粒度组成(质量分数) %
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| 品种 | 破碎前粒级分布 | | 破碎后粒级分布 |
| >5 mm | 3~5 mm | 1~3 mm | <1 mm | >5 mm | 3~5 mm | 1~3 mm | <1 mm |
| 自产焦粉 | 27.52 | 24.47 | 27.73 | 20.28 | | 19.83 | 23.37 | 29.33 | 27.47 |
| 烧结用无烟煤 | 37.44 | 21.64 | 21.34 | 19.58 | | 21.72 | 22.02 | 26.65 | 29.61 |
| 外购焦粉 | 13.42 | 22.21 | 22.05 | 42.32 | | 6.83 | 20.64 | 23.75 | 48.78 |
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| 品种 | 终点温度控制/℃ | 燃料比/% | 转鼓指数/% | 台时产量/(t·h-1) | 固体燃耗/(kg·t-1) |
| 自产焦粉 | 300~420 | 3.6~3.7 | 78~79 | 345 | 51.7 |
| 外购焦粉 | 300~420 | 4.2~4.3 | 78~79 | 340 | 54.1 |
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使用外购焦粉与自产焦粉烧结相关指标
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| 品种 | 终点温度控制/℃ | 燃料比/% | 转鼓指数/% | 台时产量/(t·h-1) | 固体燃耗/(kg·t-1) |
| 自产焦粉 | 300~420 | 3.6~3.7 | 78~79 | 345 | 51.7 |
| 外购焦粉 | 300~420 | 4.2~4.3 | 78~79 | 340 | 54.1 |
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| 白云鄂博铁精矿 | 进口矿粉A | 区内褐铁矿 | 进口褐铁矿粉B | 进口褐铁矿粉C | 氧化铁皮 |
| 45 | 32 | 2 | 10 | 8 | 3 |
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铁料配置结构(质量分数) %
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| 白云鄂博铁精矿 | 进口矿粉A | 区内褐铁矿 | 进口褐铁矿粉B | 进口褐铁矿粉C | 氧化铁皮 |
| 45 | 32 | 2 | 10 | 8 | 3 |
), ArticleFig(id=1188503244813775125, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049579204297578, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 烧结机 | 漏风率/% | 燃料比/% | 固体燃耗/(kg·t-1) |
| 1# | 35.4 | 3.6~3.7 | 51.7 |
| 2# | 48.6 | 3.8~4.0 | 53.4 |
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漏风率与固体燃耗对比
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| 烧结机 | 漏风率/% | 燃料比/% | 固体燃耗/(kg·t-1) |
| 1# | 35.4 | 3.6~3.7 | 51.7 |
| 2# | 48.6 | 3.8~4.0 | 53.4 |
), ArticleFig(id=1188503244952187159, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049579204297578, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 品种 | ≥5 mm | 3~5 mm | 1~3 mm | ≤1 mm |
| 自产焦粉70% | 19.83 | 23.37 | 29.33 | 27.47 |
| 外购焦粉30% | 13.42 | 22.21 | 22.05 | 42.32 |
| 综合粒度 | 17.91 | 23.02 | 27.15 | 31.93 |
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燃料综合粒度(质量分数) %
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| 品种 | ≥5 mm | 3~5 mm | 1~3 mm | ≤1 mm |
| 自产焦粉70% | 19.83 | 23.37 | 29.33 | 27.47 |
| 外购焦粉30% | 13.42 | 22.21 | 22.05 | 42.32 |
| 综合粒度 | 17.91 | 23.02 | 27.15 | 31.93 |
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| 粒级 | 改进前 | | 改进后 |
| 制粒前 | 制粒后 | 差值 | 制粒前 | 制粒后 | 差值 |
| >5 mm | 20.65 | 35.65 | 15.00 | | 18.13 | 35.46 | 17.33 |
| 3~5 mm | 38.55 | 42.58 | 4.03 | | 29.57 | 35.70 | 6.13 |
| <3 mm | 40.80 | 21.77 | -19.03 | | 52.30 | 28.84 | -23.46 |
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制粒效果对比(质量分数) %
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| 粒级 | 改进前 | | 改进后 |
| 制粒前 | 制粒后 | 差值 | 制粒前 | 制粒后 | 差值 |
| >5 mm | 20.65 | 35.65 | 15.00 | | 18.13 | 35.46 | 17.33 |
| 3~5 mm | 38.55 | 42.58 | 4.03 | | 29.57 | 35.70 | 6.13 |
| <3 mm | 40.80 | 21.77 | -19.03 | | 52.30 | 28.84 | -23.46 |
), ArticleFig(id=1188503245187068187, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049579204297578, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 2021年 | 2022年 | 2023年 |
| 52.46 | 51.05 | 50.33 |
), ArticleFig(id=1188503245241594140, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049579204297578, language=CN, label=表7, caption=
固体燃耗情况 kg/t
, figureFileSmall=null, figureFileBig=null, tableContent=
| 2021年 | 2022年 | 2023年 |
| 52.46 | 51.05 | 50.33 |
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