事故信息 - 化工安全人

免 F 20170221 内蒙古阿拉善盟立信化工停电硝化釜爆炸致2死4伤（编号：SG00000806）

2025-10-10 4684

一、时间地点

时间/日期: 2017-02-21

地点: 中国、内蒙古

二、工厂介绍

公司介绍: 立信化工有限公司

所在行业: 精细化工

三、事故介绍

事故类型: 爆炸

事故概述

2017年2月21日，内蒙古阿拉善盟立信化工有限公司对硝基苯胺车间发生反应釜爆炸事故，造成2人死亡、4人受伤。

事故后果

死亡人数： 2人、受伤人数： 4人、疏散人数： 0人

经济损失： 0万

四、事故原因

直接原因类别: 外力影响（外部火灾，车辆，极端天气等）

直接原因: 事故企业在应急电源不完备的情况下，于2月17日擅自复产，2月20日由于大雪天气，企业所在工业园区全面停电，由于缺乏应急电源，对硝基苯胺车间反应釜无法冷却降温，其中一个反应釜超温超压发生爆炸。

根本原因类别: 工艺危害分析

根本原因: 应急电源不完备

五、事故链

偏离类别: 失去电力

后果类别: 热失控爆炸(E)

六、特征

涉及化学品: 对硝基苯胺

涉及单元操作: 化学反应

涉及工业设备: 反应器

涉及工业操作

涉及化学工艺/装置: 硝化工艺

运营阶段: 正常运行

事故信息检索

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