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河南郑州--电弧炉熔铸氧化铝结壳喷爆,造成 3 人死亡、1 人受伤

  • 2026-06-29 02:01:29
河南郑州--电弧炉熔铸氧化铝结壳喷爆,造成 3 人死亡、1 人受伤

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      2026年4月28日2时56分许,位于河南省郑州市新密市刘寨镇宋寨村的郑州新光色耐火材料有限公司,发生一起较大灼烫事故,造成3人死亡、1人受伤,直接经济损失447.1728万元。

经调查认定,郑州新密郑州新光色耐火材料有限公司“4·28”较大灼烫事故是一起因作业人员未及时平炉、强力捣打炉内危险结构引发喷炉,且生产经营单位安全生产主体责任不落实、政府及部门监管不到位造成的生产安全责任事故。

事故直接原因分析:

     为科学调查认定事故发生的直接原因,调查组与聘请的行业专家通过全方位勘查、冷却水系统加压试验、物料检验检测、谈话询问、视频分析与计算验证、综合分析论证等方式,对涉事刚玉炉和有关情况进行了全面取证。

     经调查和分析,调查结果不支持冷却水系统漏水、炉壳内进水等引发爆炸造成事故;不支持原料含水率及杂质超标、配料错误引发事故;不支持加料、布料异常引发事故;不支持用电参数设置调控不当、控制系统故障引发事故;亦不支持人为故意破坏、气象、突发灾害等因素引发事故。结合调查取证、视频分析和综合分析论证,以及通过走访同类生产经营单位、咨询行业内拥有数十年同类生产工艺管控经验的国内知名专家,在此基础上,调查组认定,造成事故的直接原因是:

      在熔铸aβ氧化铝砖熔炼过程中,作业人员未及时进行平炉摊料操作,导致炉内熔池表面料层大面积结壳,壳下积聚以二氧化碳和大量氧化钠蒸气为主的高压混合气团;随后使用细长工具强力捣打,造成结壳穿孔、高压气团集中泄放,同时导致炉壁累积的悬空块状物断裂坠入高温熔液,引发熔体内部剧烈气化反应。两者共同作用,炉内压力急剧升高并冲破熔体束缚,发生猛烈喷炉,造成作业人员灼烫伤亡。

      壳下高压混合气团的积聚是本次事故的主要能量来源,悬空块状物坠入熔液引发的内部气化反应起到了触发和加剧喷炉破坏程度的作用。

事故防范措施:

      1.严禁冒险凭经验违章操作

       针对高温熔炼炉必须制定并严格执行平炉(卸炉)、处理结壳等关键工序的安全操作规程,结壳达到规定厚度必须强制停炉处理,严禁冒险作业。操作记录要可追溯,违规操作一律按内部制度严肃处理。刚玉炉的电极升降、炉体倾动、冷却水系统等关键操作环节必须明确操作程序和安全限值,炉门、观察窗等部位应设置联锁装置,确保在危险工况下能够有效隔离。

     2.依法设置安全管理机构或配齐专职安管人员生产经营单位必须依法设置安全生产管理机构或者配备专职安全生产管理人员。高温熔炼作业现场必须配备专职安全生产管理人员全程监护,不得由班组长或其他岗位人员兼任。未设置专门安全生产管理机构或未配备专职安全生产管理人员的生产经营单位,限期整改到位。

来源:信息来源郑州市应急管理局公开文件,图片来源网络,若涉及版权,联删

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  1. CONNECT:[ UseTime:0.001033s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001856s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000766s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000694s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001393s ]
  6. SELECT * FROM `set` [ RunTime:0.000647s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001595s ]
  8. SELECT * FROM `article` WHERE `id` = 565382 LIMIT 1 [ RunTime:0.001253s ]
  9. UPDATE `article` SET `lasttime` = 1782678429 WHERE `id` = 565382 [ RunTime:0.006669s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.001280s ]
  11. SELECT * FROM `article` WHERE `id` < 565382 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001209s ]
  12. SELECT * FROM `article` WHERE `id` > 565382 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001065s ]
  13. SELECT * FROM `article` WHERE `id` < 565382 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002124s ]
  14. SELECT * FROM `article` WHERE `id` < 565382 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004367s ]
  15. SELECT * FROM `article` WHERE `id` < 565382 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001807s ]
0.183811s