事故信息 - 化工安全人

付 P 20240503 四川自贡西艾氟公司反应釜爆炸致3死- 调查报告发布（编号：SG00004193）

2025-10-10 9359

一、时间地点

时间/日期: 2024-05-03

地点: 中国、四川、自贡

二、工厂介绍

公司介绍: 四川西艾氟科技有限公司

所在行业: 精细化工

三、事故介绍

事故类型: 爆炸

事故概述

2024年5月3日13时18分许，位于四川富顺晨光经济开发区的四川西艾氟科技有限公司五氟碘乙烷合成反应釜发生爆炸，事故造成3人死亡，直接经济损失676.78万元。

事故后果

死亡人数： 3人、受伤人数： 676人、疏散人数： 0人

经济损失： 0万

四、事故原因

直接原因类别: 未遵守现有程序（违章，无程序，不理解等）

直接原因: 丙三醇（机封液）泄漏进入反应釜R1101A，采用蒸汽升温后，反应底物与四氟乙烯之间及四氟乙烯本身发生剧烈反应，引发化学爆炸。

根本原因类别: 工艺危害分析

根本原因: 1. 异常工况安全处置不到位。未充分识别反应釜反应缓慢的真正原因及风险，未对异常工况进行风险评估，未及时退守到安全状态，擅自更改反应条件，补加过量催化剂，采用蒸汽加热反应体系，强制继续反应，违反异常

五、事故链

偏离类别: 温度过高

后果类别: 热失控爆炸(E)

六、特征

涉及化学品: 四氟乙烯

涉及单元操作: 加热

涉及工业设备: 反应器

涉及工业操作: 异常工况处置

涉及化学工艺/装置

运营阶段: 异常工况处置

七、调查报告

文档下载: 20240503 四川自贡西艾氟公司反应釜爆炸致3死- 调查报告发布.zip

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