事故信息 - 化工安全人

免 F 20120516 新疆克拉玛依石化公司分馏塔闪爆（编号：SG00003276）

2025-10-10 1259

一、时间地点

时间/日期: 2012-05-16

地点: 中国、新疆

二、工厂介绍

公司介绍: 克拉玛依石化公司

所在行业: 石油化工

三、事故介绍

事故类型: 爆炸

事故概述: 2012年5月16日13时10分，克拉玛依石化公司炼油第四联合车间150万t/a延迟焦化装置分馏塔按计划拆开第一、第三人孔过程中，分馏塔内突然发生闪爆。事故造成分馏塔内构件一定程度损坏。

事故后果

死亡人数：人、受伤人数：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: 原料缓冲罐蒸汽吹扫罐底放空不彻底，罐底存有少量油泥，油泥挥发产生的油气通过原料缓冲罐与分馏塔之间的气相平衡线窜入分馏塔，分馏塔高温状态下（约120℃ ）打开底部人孔，塔内油气与空气形成可爆气体，塔内硫

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: 塔器

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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