事故信息 - 化工安全人

免 F 20150421江苏南京扬子石化环氧乙烷精制塔爆炸致1伤（编号：SG00001539）

2025-10-10 3052

一、时间地点

时间/日期: 2015-04-21

地点: 中国、江苏、南京

二、工厂介绍

公司介绍: 中石化扬子石化有限公司

所在行业: 石油化工

三、事故介绍

事故类型: 爆炸

事故概述: 2015年4月21日6时05分，中国石化扬子石油化工有限公司（以下简称：扬子石化公司）烯烃厂乙二醇车间发生爆炸事故，造成T-430精馏塔中部解体，装置附近部分建构筑物受损，1人受伤。

事故后果

死亡人数：人、受伤人数： 1人、疏散人数：人

经济损失： 0万

四、事故原因

直接原因类别

直接原因: 仪表引压管堵塞，压力指示失真，操作人员判断失误、处置不当，使T-430塔系统超温超压，进而引发泄漏着火爆炸

根本原因类别

根本原因: 装置设计存在缺陷：压力联锁、压力控制变送器、现场压力表共用一个引压管。

五、事故链

偏离类别

后果类别

六、特征

涉及化学品: 环氧乙烷

涉及单元操作

涉及工业设备: 换热器

涉及工业操作

涉及化学工艺/装置

运营阶段

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