Article(id=1185882041674515248, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, articleNumber=1009-5438(2025)03-0077-04, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1735056000000, receivedDateStr=2024-12-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1760665911358, onlineDateStr=2025-10-17, pubDate=1750780800000, pubDateStr=2025-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1760665911358, onlineIssueDateStr=2025-10-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1760665911358, creator=13701087609, updateTime=1760665911358, updator=13701087609, issue=Issue{id=1185882038939825058, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='3', 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=0, createTime=1760665910706, creator=13701087609, updateTime=1764316917348, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1201195470770102709, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1201195470770102710, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=77, endPage=80, ext={EN=ArticleExt(id=1187122785542357477, articleId=1185882041674515248, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Analysis on Influencing Factors of Measurement Results for Caking Index of Bitumite, columnId=1187102804364640261, journalTitle=Science & Technology of Baotou Steel, columnName=Others, runingTitle=null, highlight=null, articleAbstract=
In the article, it is discussed the effects of drying time, prepared sizes, preparation time, stirring means and storage time of samples on measurement results of caking index which are not specified in the national standard GB/T 5447—2014. Such two types of frequently-used bitumite, coking coal and gas coal are selected for experimental study. The study results showed that the effects of drying time, particle size and preparation time of samples on measurement results of G value were the most significant, the effects of analysis link and storage time of samples on measurement results of G value took second place, while the effects of stirring means on measurement results of G value were minimum. The specified control conditions of related influencing factors are given through experiments so as to achieve the goal of improving the accuracy of measurement results for caking index of bitumite.
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文章探讨了国标GB/T 5447—2014中未进行细化规定的样品烘干时间、制备粒度、制备时间、试样搅拌方式、试样存放时间对黏结指数测定结果的影响。选取焦煤和气煤两种常用烟煤进行了实验研究。研究结果表明,样品干燥时间、样品粒度、样品制备时间对G值的测定结果影响明显,样品分析环节样品的存放时间对G值的测定结果影响次之,搅拌方式对G值的测定结果影响最小。通过实验给出了相关影响因素的细化控制条件以达到提高烟煤黏结指数测定结果准确性的目的。
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孙志峰(1980-),女,内蒙古土左旗人,硕士,高级工程师,现从事冶金分析研究工作。
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孙志峰(1980-),女,内蒙古土左旗人,硕士,高级工程师,现从事冶金分析研究工作。
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煤质分析应用技术指南:第2版[M]. 北京: 中国标准出版社,
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| 煤种 | 干燥时间/min | G值/% |
| 蒙古焦煤 | 10 | 76 |
| 30 | 80 |
| 60 | 81 |
| 120 | 83 |
| 180 | 84 |
| 240 | 83 |
| 气煤 | 10 | 39 |
| 30 | 36 |
| 60 | 48 |
| 120 | 50 |
| 180 | 50 |
| 240 | 52 |
), ArticleFig(id=1187122787979248135, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=CN, label=表1, caption=
样品不同干燥时间对G值测定结果的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 煤种 | 干燥时间/min | G值/% |
| 蒙古焦煤 | 10 | 76 |
| 30 | 80 |
| 60 | 81 |
| 120 | 83 |
| 180 | 84 |
| 240 | 83 |
| 气煤 | 10 | 39 |
| 30 | 36 |
| 60 | 48 |
| 120 | 50 |
| 180 | 50 |
| 240 | 52 |
), ArticleFig(id=1187122788037968392, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 煤种 | 粒度在0.1~0.2 mm占比 | G值 |
| 气煤 | 19.4 | 60 |
| 35.8 | 58 |
| 48.5 | 54 |
| 蒙古焦煤 | 20.0 | 86 |
| 31.1 | 84 |
| 43.3 | 82 |
), ArticleFig(id=1187122788092494345, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=CN, label=表2, caption=
制样粒度对G值测定结果的影响%
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| 煤种 | 粒度在0.1~0.2 mm占比 | G值 |
| 气煤 | 19.4 | 60 |
| 35.8 | 58 |
| 48.5 | 54 |
| 蒙古焦煤 | 20.0 | 86 |
| 31.1 | 84 |
| 43.3 | 82 |
), ArticleFig(id=1187122788147020298, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 煤种 | 方案一 | | 方案二 | | 方案三 | | 方案四 |
| 0.1~0.2 mm占比 | G值 | 0.1~0.2 mm占比 | G值 | 0.1~0.2 mm占比 | G值 | 0.1~0.2 mm占比 | G值 |
| 山西焦煤 | 30.3 | 86.3 | | 21.1 | 86.8 | | 18.6 | 85.0 | | 14.2 | 80.2 |
| 蒙古焦煤 | 30.5 | 81.6 | | 20.6 | 82.0 | | 19.0 | 79.2 | | 14.1 | 72.6 |
| 气煤 | 25.4 | 57.1 | | 19.2 | 55.6 | | 18.3 | 46.4 | | 12.5 | 33.5 |
), ArticleFig(id=1187122788201546251, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=CN, label=表3, caption=
不同制备时间对G值测定结果的影响%
, figureFileSmall=null, figureFileBig=null, tableContent=
| 煤种 | 方案一 | | 方案二 | | 方案三 | | 方案四 |
| 0.1~0.2 mm占比 | G值 | 0.1~0.2 mm占比 | G值 | 0.1~0.2 mm占比 | G值 | 0.1~0.2 mm占比 | G值 |
| 山西焦煤 | 30.3 | 86.3 | | 21.1 | 86.8 | | 18.6 | 85.0 | | 14.2 | 80.2 |
| 蒙古焦煤 | 30.5 | 81.6 | | 20.6 | 82.0 | | 19.0 | 79.2 | | 14.1 | 72.6 |
| 气煤 | 25.4 | 57.1 | | 19.2 | 55.6 | | 18.3 | 46.4 | | 12.5 | 33.5 |
), ArticleFig(id=1187122788268655116, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 煤种 | 编号 | 存放当天 | 存放2天 | 存放5天 | 存放8天 | 存放15天 |
| 气煤 | 1# | 52.3 | 46.6 | 36.1 | 32.7 | 28.2 |
| 蒙古精煤 | 2# | 82.6 | 82.5 | 83.2 | 81.0 | 77.7 |
| 蒙古精煤 | 3# | 81.4 | 81.4 | 81.2 | 79.8 | 75.6 |
| 蒙古精煤 | 4# | 78.7 | 78.5 | 77.6 | 77.1 | 70.4 |
), ArticleFig(id=1187122788331569677, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=CN, label=表4, caption=
实验煤样存放时间对G值测定结果的影响%
, figureFileSmall=null, figureFileBig=null, tableContent=
| 煤种 | 编号 | 存放当天 | 存放2天 | 存放5天 | 存放8天 | 存放15天 |
| 气煤 | 1# | 52.3 | 46.6 | 36.1 | 32.7 | 28.2 |
| 蒙古精煤 | 2# | 82.6 | 82.5 | 83.2 | 81.0 | 77.7 |
| 蒙古精煤 | 3# | 81.4 | 81.4 | 81.2 | 79.8 | 75.6 |
| 蒙古精煤 | 4# | 78.7 | 78.5 | 77.6 | 77.1 | 70.4 |
), ArticleFig(id=1187122788386095630, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 搅拌方式 | 黏结指数 | 平均值 | RSD | 标准值 |
| 测定1 | 测定2 | 测定3 | 测定4 | 测定5 |
| SDRM040003 | 机械自动搅拌+人工手动 | 78.4 | 78.6 | 79.2 | 79.1 | 79.6 | 79.0 | 0.48 | 79 |
| 机械自动搅拌 | 78.5 | 78.0 | 78.9 | 77.6 | 78.9 | 78.4 | 0.57 |
| 人工手动 | 79.2 | 80.3 | 81.2 | 77.9 | 79.6 | 79.6 | 1.23 |
), ArticleFig(id=1187122788457398799, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185882041674515248, language=CN, label=表5, caption=
不同搅拌方式黏结指数精密度实验%
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 搅拌方式 | 黏结指数 | 平均值 | RSD | 标准值 |
| 测定1 | 测定2 | 测定3 | 测定4 | 测定5 |
| SDRM040003 | 机械自动搅拌+人工手动 | 78.4 | 78.6 | 79.2 | 79.1 | 79.6 | 79.0 | 0.48 | 79 |
| 机械自动搅拌 | 78.5 | 78.0 | 78.9 | 77.6 | 78.9 | 78.4 | 0.57 |
| 人工手动 | 79.2 | 80.3 | 81.2 | 77.9 | 79.6 | 79.6 | 1.23 |
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