事故信息 - 化工安全人

付 P 20240821 四川乐山四合煤业瓦斯爆炸致8死1伤（编号：SG004721）

2026-02-14 272

一、时间地点

时间/日期: 2024-08-21

地点: 中国、四川、乐山

二、工厂介绍

公司介绍: 乐山市四合煤业有限公司

所在行业: 煤矿

三、事故介绍

事故类型: 爆炸

事故概述

2024 年8月21日9时46分许，乐山市四合煤业有限公司（以下简称四合煤矿）在封闭风井井筒过程中发生瓦斯爆炸事故，造成8人遇难、1人受伤，直接经济损失932万元。

事故后果

死亡人数： 8人、受伤人数： 1人、疏散人数： 0人

经济损失： 932万

四、事故原因

直接原因类别: 设备/设施故障

直接原因: 回风井作业地点供风量不足，导致回风斜井上变坡点巷道顶部未砌碹段瓦斯积聚达到爆炸浓度，该区域进行气焊切割钢管时引起瓦斯爆炸。

根本原因类别: 工艺危害分析

根本原因

五、事故链

偏离类别: 流量过小

后果类别: 气相爆炸(E)

六、特征

涉及化学品: 瓦斯

涉及单元操作

涉及工业设备

涉及工业操作: 动火作业

涉及化学工艺/装置

运营阶段

七、调查报告

文档下载: 20240821 四川乐山四合煤业瓦斯爆炸致8死1伤.zip

解锁金额 ¥1.00: 解锁资源

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