事故信息 - 化工安全人

付 P 20250405 宁夏太阳镁业爆炸致2死（编号：SG00004517）

2025-10-10 1814

一、时间地点

时间/日期: 2025-04-05

地点: 中国、宁夏、石嘴山

二、工厂介绍

公司介绍: 宁夏太阳镁业有限公司

所在行业: 精细化工

三、事故介绍

事故类型: 爆炸

事故概述

2025年4月5日15时25分左右，宁夏太阳镁业有限公司发生一起爆炸事故，造成2人死亡，直接经济损失404万元。

事故后果

死亡人数： 2人、受伤人数： 0人、疏散人数： 0人

经济损失： 404万

四、事故原因

直接原因类别: 设备/设施故障

直接原因: 高温还原渣经缓冲仓、皮带输送机进入冷渣机进行冷却，因冷渣机膜式水冷壁漏水导致冷却水渗入，还原渣与水反应生成氢气，因作业前除尘系统引风机被关闭，气体在3＃储仓内积聚达到爆炸极限，丁＊＊和彭＊＊在3＃储仓顶部呼吸口进行电焊机搭铁测试时产生火花，引起氢气闪爆，爆炸冲击波导致储仓顶板周向撕裂，将定某和彭某抛落到地面致其死亡。

根本原因类别: 作业票管理不足

根本原因

五、事故链

偏离类别: 泄漏

后果类别: 气相爆炸(E)

六、特征

涉及化学品: 镁，铁，水

涉及单元操作

涉及工业设备: 固废处理单元

涉及工业操作: 动火作业

涉及化学工艺/装置

运营阶段: 检修

七、调查报告

文档下载: 20250405 宁夏太阳镁业爆炸致2死.zip

解锁金额 ¥2.00: 解锁资源

事故信息检索

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