事故信息 - 化工安全人

付 P 一起国外树脂制备事故- 搅拌停止再启动，失控超压（编号：SG004837）

2026-03-22 3

一、时间地点

时间/日期

地点: 暂无位置信息

二、工厂介绍

公司介绍

所在行业: 精细化工

三、事故介绍

事故类型: 爆炸

事故概述

向反应釜内加入植物油、甘油等在200-260℃下搅拌反应合成醇酸树脂；

反应完成后进行冷却稀释阶段：停止加热并开启冷却，随后加入石脑油等溶剂进行稀释。

加完后发现搅拌没有打开，在短暂思考后，操作人员重新打开搅拌，此时沸点只有118℃的溶剂与235℃的反应也混合并快速气化，溶剂从人孔冲出并逸散，两名操作人员迅速撤离。在撤离2min后，反应釜区域发生爆炸。事故未造成人员伤亡。

事故后果

死亡人数： 0人、受伤人数： 0人、疏散人数： 0人

经济损失： 0万

四、事故原因

直接原因类别: 设备/设施故障

直接原因: 235℃的反应液中加入20℃的溶剂时搅拌停止，在重新启动搅拌后快速混合气化，压力积聚上升并冲出反应釜，最终遇到点火源被点燃而发生爆炸。

根本原因类别: 工艺危害分析

根本原因

五、事故链

偏离类别: 失去混合（搅拌）

后果类别: 压力容器爆炸 PVB（E）

六、特征

涉及化学品: 石脑油

涉及单元操作: 混合

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: 聚合工艺

运营阶段: 异常工况处置

八、事故相关视频

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