事故信息 - 化工安全人

免 F 19860208 某化工厂光气泄漏致200余人光气吸入（编号：SG00002376）

2025-10-10 4124

一、时间地点

时间/日期: 1986-02-28

地点: 暂无位置信息

二、工厂介绍

公司介绍: 某化工厂

所在行业: 石油化工

三、事故介绍

事故类型: 释放/泄漏

事故概述: 1986年2月28日下午，某厂按计划检修清理光气缓冲罐内的结晶物。检修人员在15：20分左右，拆除两只光气缓冲罐的封头螺栓后，发现东侧罐内有黄褐色液体流出，西侧罐也有微量液体流出，因检修人员都戴有防毒面具，起先都认为流出的是污水，随着刺激性气味逐渐增浓并伴有辣眼的感觉，同时现场监视人员发现东罐底部结霜，确认罐内流出的是液态光气，就运来烧碱进行破坏至无气味。事故造成光气随风飘至附近工厂致使200余人吸入光气，9人治疗，重度中毒2人。

事故后果

死亡人数：人、受伤人数： 2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: 气温低和停车时间长，导致光气液化，致使拆罐后液态光气外泄（气态光气经过负压抽空，破坏，高空排放能消除保证检修安全）

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: 光气

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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