Article(id=1282037401983893675, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282037390130790473, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2025.12.1385, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752076800000, receivedDateStr=2025-07-10, revisedDate=1758470400000, revisedDateStr=2025-09-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1783591135735, onlineDateStr=2026-07-09, pubDate=1766851200000, pubDateStr=2025-12-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783591135735, onlineIssueDateStr=2026-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783591135735, creator=13701087609, updateTime=1783591135735, updator=13701087609, issue=Issue{id=1282037390130790473, tenantId=1146029695717560320, journalId=1146031787341344770, year='2025', volume='35', issue='12', pageStart='1', pageEnd='259', issueExtLink='null', onlineDate='null', pubDate='1766851200000', pubDateStr='2025-12-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783591132910, creator='13701087609', updateTime=1783593783109, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282048505929777979, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282037390130790473, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282048505929777980, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282037390130790473, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=64, endPage=69, ext={EN=ArticleExt(id=1282037403766472876, articleId=1282037401983893675, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Experimental study on explosion intensity of dust cloud in lead and zinc concentrate powder, columnId=1149733269173878863, journalTitle=China Safety Science Journal, columnName=Safety engineering technology, runingTitle=null, highlight=null, articleAbstract=

In order to prevent dust cloud combustion and explosion accidents in the high sulfur content concentrate warehouse after beneficiation, lead concentrate and zinc concentrate of Panlong Lead Zinc Mine were taken as examples. Tests on explosion intensity and the lower explosion limit at different mass concentrations were conducted using a 20 L balls. Main parameters, including the maximum explosion pressure, explosion lower limit, and explosion index of the lead zinc concentrate powder dust cloud, were obtained. The results show that maximum explosion pressures of lead concentrate and zinc concentrate dust clouds were 0.335 and 0.251 MPa, respectively, both occurring when the mass concentration of the dust cloud was 1 000 g/m3. The lower explosive limits of mass concentration are 160-170 and 210-220 g/m3, respectively, indicating low explosion risk. The explosion risk and hazard of dust clouds in lead concentrate are higher than those in zinc concentrate. The explosion mechanism of concentrate dust cloud particles being ignited, exploded, and subjected to a chain reaction is obtained. These findings provide an experimental and theoretical basis for preventing dust cloud explosion of concentrate in the concentrate warehouse.

, authors=Zhenli DENG1, Guoju QIN1, Yunjian TANG**, 1, Xiaoquan LI2, 3, Ningying WEI2, 3, authorsList=Zhenli DENG, Guoju QIN, Yunjian TANG, Xiaoquan LI, Ningying WEI, authorCompany=null, correspAuthors=Yunjian TANG, 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=1282037404143960237, articleId=1282037401983893675, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=铅锌精矿粉尘云爆炸强度和爆炸下限试验研究, columnId=1149733269727526997, journalTitle=中国安全科学学报, columnName=安全工程技术, runingTitle=null, highlight=null, articleAbstract=

为预防选矿后高含硫量的精矿矿仓发生粉尘云燃烧爆炸事故,以盘龙铅锌矿铅精矿和锌精矿为例,利用20 L球开展不同质量浓度的粉尘爆炸强度和爆炸下限试验,获得铅、锌精矿粉尘云的最大爆炸压力、爆炸下限、爆炸指数值等主要参数。结果表明:铅精矿和锌精矿粉尘云最大爆炸压力分别为0.335和0.251 MPa,均发生在精矿粉尘云质量浓度为1 000 g/m3时,质量浓度爆炸下限分别为160~170和210~220 g/m3,爆炸风险性均为低风险,铅精矿粉尘云爆炸风险性和危害性高于锌精矿;得出精矿粉尘云颗粒被点燃、炸裂至发生链式反应的爆炸机制。为精矿矿仓预防精矿粉尘云爆炸提供实测及理论依据。

, authors=邓振立高级工程师1, 覃国据1, 唐运坚高级工程师**, 1, 李晓泉副教授2, 3, 韦宁颖2, 3, authorsList=邓振立高级工程师, 覃国据, 唐运坚高级工程师, 李晓泉副教授, 韦宁颖, authorCompany=null, correspAuthors=唐运坚高级工程师, authorNote=

邓振立(1975—),男,湖南汉寿人,本科,高级工程师,主要从事现场安全管理方面的工作。E-mail:

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** 唐运坚(1985—),男,广西都安人,本科,高级工程师,主要从事现场安全管理方面的工作。E-mail:
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铅锌精矿粉尘云爆炸强度和爆炸下限试验研究
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邓振立高级工程师 1 , 覃国据 1 , 唐运坚高级工程师 **, 1 , 李晓泉副教授 2, 3 , 韦宁颖 2, 3
中国安全科学学报 | 安全工程技术 2025,35(12): 64-69
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中国安全科学学报 |安全工程技术 2025 , 35 (12) : 64 -69
铅锌精矿粉尘云爆炸强度和爆炸下限试验研究
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邓振立高级工程师1 , 覃国据1, 唐运坚高级工程师**, 1 , 李晓泉副教授2, 3, 韦宁颖2, 3
作者信息
  • 1广西中金岭南矿业有限责任公司,广西 来宾,545902
  • 2广西大学 资源环境与材料学院,广西 南宁,530004
  • 3广西大学 广西高校矿物工程重点实验室,广西 南宁 530004
通讯作者:
** 唐运坚(1985—),男,广西都安人,本科,高级工程师,主要从事现场安全管理方面的工作。E-mail:
作者简介:

邓振立(1975—),男,湖南汉寿人,本科,高级工程师,主要从事现场安全管理方面的工作。E-mail:

Experimental study on explosion intensity of dust cloud in lead and zinc concentrate powder
Zhenli DENG1 , Guoju QIN1, Yunjian TANG**, 1 , Xiaoquan LI2, 3, Ningying WEI2, 3
Affiliations
  • 1Guangxi Zhongjin Lingnan Mining Co., Ltd., Laibin Guangxi 545902, China
  • 2School of Resources, Environment and Materials Science, Guangxi University, Nanning Guangxi 530004, China
  • 3Guangxi Colleges and Universities Key Laboratory of Minerals Engineering, Guangxi University, Nanning Guangxi 530004, China
出版时间: 2025-12-28 doi: 10.16265/j.cnki.issn1003-3033.2025.12.1385
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为预防选矿后高含硫量的精矿矿仓发生粉尘云燃烧爆炸事故,以盘龙铅锌矿铅精矿和锌精矿为例,利用20 L球开展不同质量浓度的粉尘爆炸强度和爆炸下限试验,获得铅、锌精矿粉尘云的最大爆炸压力、爆炸下限、爆炸指数值等主要参数。结果表明:铅精矿和锌精矿粉尘云最大爆炸压力分别为0.335和0.251 MPa,均发生在精矿粉尘云质量浓度为1 000 g/m3时,质量浓度爆炸下限分别为160~170和210~220 g/m3,爆炸风险性均为低风险,铅精矿粉尘云爆炸风险性和危害性高于锌精矿;得出精矿粉尘云颗粒被点燃、炸裂至发生链式反应的爆炸机制。为精矿矿仓预防精矿粉尘云爆炸提供实测及理论依据。

铅精矿  /  锌精矿  /  粉尘云  /  爆炸强度  /  爆炸下限

In order to prevent dust cloud combustion and explosion accidents in the high sulfur content concentrate warehouse after beneficiation, lead concentrate and zinc concentrate of Panlong Lead Zinc Mine were taken as examples. Tests on explosion intensity and the lower explosion limit at different mass concentrations were conducted using a 20 L balls. Main parameters, including the maximum explosion pressure, explosion lower limit, and explosion index of the lead zinc concentrate powder dust cloud, were obtained. The results show that maximum explosion pressures of lead concentrate and zinc concentrate dust clouds were 0.335 and 0.251 MPa, respectively, both occurring when the mass concentration of the dust cloud was 1 000 g/m3. The lower explosive limits of mass concentration are 160-170 and 210-220 g/m3, respectively, indicating low explosion risk. The explosion risk and hazard of dust clouds in lead concentrate are higher than those in zinc concentrate. The explosion mechanism of concentrate dust cloud particles being ignited, exploded, and subjected to a chain reaction is obtained. These findings provide an experimental and theoretical basis for preventing dust cloud explosion of concentrate in the concentrate warehouse.

lead concentrate  /  zinc concentrate  /  dust cloud  /  explosion intensity  /  lower explosive limit
邓振立高级工程师, 覃国据, 唐运坚高级工程师, 李晓泉副教授, 韦宁颖. 铅锌精矿粉尘云爆炸强度和爆炸下限试验研究. 中国安全科学学报, 2025 , 35 (12) : 64 -69 . DOI: 10.16265/j.cnki.issn1003-3033.2025.12.1385
Zhenli DENG, Guoju QIN, Yunjian TANG, Xiaoquan LI, Ningying WEI. Experimental study on explosion intensity of dust cloud in lead and zinc concentrate powder[J]. China Safety Science Journal, 2025 , 35 (12) : 64 -69 . DOI: 10.16265/j.cnki.issn1003-3033.2025.12.1385
  • 国家自然科学基金资助(52264014)
  • 广西自然科学基金资助(2020GXNSFAA297037)
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2025年第35卷第12期
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doi: 10.16265/j.cnki.issn1003-3033.2025.12.1385
  • 接收时间:2025-07-10
  • 首发时间:2026-07-09
  • 出版时间:2025-12-28
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  • 收稿日期:2025-07-10
  • 修回日期:2025-09-22
基金
国家自然科学基金资助(52264014)
广西自然科学基金资助(2020GXNSFAA297037)
作者信息
    1广西中金岭南矿业有限责任公司,广西 来宾,545902
    2广西大学 资源环境与材料学院,广西 南宁,530004
    3广西大学 广西高校矿物工程重点实验室,广西 南宁 530004

通讯作者:

** 唐运坚(1985—),男,广西都安人,本科,高级工程师,主要从事现场安全管理方面的工作。E-mail:
参考文献
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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