事故信息 - 化工安全人

免 F 20041027 黑龙江大庆石化炼油厂爆炸致7死（编号：SG00002810）

2025-10-10 1964

一、时间地点

时间/日期: 2004-10-27

地点: 中国、黑龙江、大庆

二、工厂介绍

公司介绍: 大庆石化分公司炼油厂

所在行业: 石油化工

三、事故介绍

事故类型: 爆炸

事故概述: 2004年10月27日，大庆石化总厂工程公司第一安装公司四分公司，在大庆石化分公司炼油厂硫磺回收车间64万吨/年酸性水汽提装置V402原料水罐施工作业时，发生了重大爆炸事故，死亡7人，造成经济损失192万元。

事故后果

死亡人数： 7人、受伤人数：人、疏散人数：人

经济损失： 1920000万

四、事故原因

直接原因类别

直接原因: V402原料水罐内的爆炸性混合气体，从与V402罐相连接的DN200管线根部焊缝，或V402罐壁与罐顶板连接焊缝开裂处泄漏，遇到在V402罐上气割DN200管线作业的明火或飞溅的熔渣，引起爆炸。

根本原因类别

根本原因

五、事故链

偏离类别

后果类别

六、特征

涉及化学品

涉及单元操作

涉及工业设备: 工艺容器

涉及工业操作

涉及化学工艺/装置

运营阶段

事故信息检索

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