Article(id=1322559917228147341, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745683200000, receivedDateStr=2025-04-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252456242, onlineDateStr=2026-10-29, pubDate=1774368000000, pubDateStr=2026-03-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252456242, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252456242, creator=13701087609, updateTime=1793252456242, updator=13701087609, issue=Issue{id=1322559901990240737, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='3', pageStart='1', pageEnd='330', issueExtLink='null', onlineDate='null', pubDate='1774368000000', pubDateStr='2026-03-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252452609, creator='13701087609', updateTime=1793252731500, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322561071810991099, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322561071810991100, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559901990240737, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=191, endPage=197, ext={EN=ArticleExt(id=1322559918880703118, articleId=1322559917228147341, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Experimental Study on the Oxidation and Combustion Characteristics of Gas-Coal Under Pre-Oxidation and Water Immersion Conditions, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To investigate the combined effects of pre-oxidation and water immersion on the characteristics of coal oxidation combustion, a thermogravimetric analysis was performed on gas-coal samples subjected to various pre-oxidation temperatures and water immersion conditions. The characteristic temperature, activation energy and reaction rate of coal oxidation combustion under different conditions were analyzed, and the mechanism of the effects of pre-oxidation and water immersion on coal oxidation combustion was discussed. The results indicate that, compared to unoxidized raw coal, the characteristic temperatures of the combustion weight loss stage decreased by 2.8% and 0.2% at 150 ℃ and 240 ℃ pre-oxidation temperatures, respectively, while the activation energies decreased by 4.9% and 48.7%, respectively. Pre-oxidation increased the risk of coal spontaneous combustion, with higher pre-oxidation temperatures leading to a greater propensity for reignition. Furthermore, compared to pre-oxidized coal at 240 ℃, additional water immersion of this high-temperature pre-oxidized coal significantly lowered its oxidative combustion characteristic temperature and activation energy. The characteristic temperatures for the oxidation weight gain stage and combustion weight loss stage decreased by 65.2 ℃ and 16.3 ℃, respectively. The activation energy of the combustion mass loss stage decreases by 7.8 kJ·mol^-1, indicating an increased risk of coal spontaneous combustion. The combustion reaction rate of coal decreases after water immersion. The value of pre-exponential factor(lnA) for raw coal after water immersion is reduced by 6.3% compared with raw coal, while for coal samples pre-oxidized at 240 ℃ and then treated with water immersion, lnA is decreased by 60.4%. When coal bodies undergo high-temperature oxidation, direct water injection for cooling is not recommended. Instead, other fire prevention and suppression measures such as injecting low-temperature nitrogen or liquid carbon dioxide should be prioritized.

, authors=Jianfeng HAO¹, Zunguo ZHANG², Yuezhen CHEN¹, Chao TANG², Linlin DING¹, Qingxia QIAN², Xiaolong ZHAO¹, authorsList=Jianfeng HAO, Zunguo ZHANG, Yuezhen CHEN, Chao TANG, Linlin DING, Qingxia QIAN, Xiaolong ZHAO, authorCompany=null, correspAuthors=Zunguo ZHANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322559919098806927, articleId=1322559917228147341, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=预氧化与浸水作用下气煤氧化燃烧特征试验研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

为探究预氧化和浸水综合作用对煤氧化燃烧特征的影响，采用气煤开展不同预氧化温度和浸水条件下的热重分析试验，分析了不同预氧化温度和浸水条件下煤的氧化燃烧特征温度、活化能和反应速率，探讨了预氧化和浸水条件对煤氧化燃烧的作用机理。结果表明：与未氧化原煤相比，150 ℃和240 ℃预氧化作用下煤的燃烧失重阶段特征温度分别降低了2.8%、0.2%，活化能分别降低了4.9%、48.7%，预氧化增大了煤的自燃危险性，且温度越高越易复燃；与240 ℃预氧化煤相比，240 ℃高温预氧化煤再浸水会显著降低煤的氧化燃烧特征温度和活化能，氧化增重阶段和燃烧失重阶段的特征温度分别降低了65.2 ℃、16.3 ℃，燃烧失重阶段活化能降低了7.8 kJ/mol，煤自燃危险性增大。浸水处理后煤的燃烧反应速率会降低，原煤浸水煤样较原煤在燃烧阶段的指前因子（lnA）减小了6.3%，240 ℃预氧化再浸水处理煤样的lnA则降低了60.4%。当煤体发生高温氧化时，不宜直接进行注水降温，应优先采用注低温氮气、液态二氧化碳等其他防灭火措施。

, authors=郝建峰¹, 张遵国², 陈岳振¹, 唐朝², 丁林林¹, 钱清侠², 赵小龙¹, authorsList=郝建峰, 张遵国, 陈岳振, 唐朝, 丁林林, 钱清侠, 赵小龙, authorCompany=null, correspAuthors=张遵国, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=Ar3c1vooMkt1JmkVDzBYiw==, magXml=jOQCWK+h2BySlNGjSPmuLQ==, pdfUrl=null, pdf=Dq20gI4wOe9c5AphCFA3AQ==, pdfFileSize=2615643, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=oAsmMXISzWgRWk/s03iLKA==, mapNumber=null, fund=null)}, authors=[Author(id=1322559919476294295, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559917228147341, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=414250390@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322559919547597465, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559917228147341, authorId=1322559919476294295, language=EN, stringName=Jianfeng HAO, firstName=Jianfeng, middleName=null, lastName=HAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Tongmei Datang Tashan Coal Mine Co., Ltd., Datong, Shanxi 034400, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322559919623094938, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322559917228147341, authorId=1322559919476294295, language=CN, stringName=郝建峰, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．同煤大唐塔山煤矿有限公司，山西 大同市　034400, bio={"content":"

郝建峰（1971—），男，山西大同人，高级工程师，主要从事矿井“一通三防”方面的技术管理和研究工作。E-mail: 414250390@163.com

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郝建峰（1971—），男，山西大同人，高级工程师，主要从事矿井“一通三防”方面的技术管理和研究工作。E-mail: 414250390@163.com

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