事故信息 - 化工安全人

免 F 20260117 内蒙古某焦化装置脱硫工段压滤释放硫化氢中毒致2死（编号：SG004691）

2026-01-18 1488

一、时间地点

时间/日期: 2026-01-17

地点: 中国、内蒙古、巴彦淖尔

二、工厂介绍

公司介绍: 神华巴彦淖尔能源有限责任公司

所在行业: 石油化工

三、事故介绍

事故类型: 中毒窒息

事故概述

2026年1月17日，位于内蒙古巴彦淖尔市乌拉特中旗神华巴彦淖尔能源有限责任公司焦化装置煤气净化脱硫工段，发生一起硫化氢中毒窒息事故，现场2名作业人员中毒死亡。

事故后果

死亡人数： 2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: 初步判断事故原因可能是：DDS生物脱硫剂脱硫过程中，泡沫液压滤环节其携带的硫化氢释放，与局部空间通风不良、监测报警缺失共同作用，导致气体积聚至危险浓度，最终导致涉事人员在压滤操作间中毒。具体原因正在进一步调查中。

根本原因类别: 工艺危害分析

根本原因

五、事故链

偏离类别: 浓度过高

后果类别: 中毒窒息（Poision&Asp）

六、特征

涉及化学品: 硫化氢

涉及单元操作: 过滤

涉及工业设备: 过滤器

涉及工业操作

涉及化学工艺/装置

运营阶段: 正常运行

事故信息检索

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基本文件流程错误 SQL 调试

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