事故信息 - 化工安全人

免 F 20240818 辽宁锦州天龙新材料公司清污过程发生中毒窒息致3死（编号：SG00004328）

2025-10-10 1918

一、时间地点

时间/日期: 2024-08-18

地点: 中国、辽宁、锦州

二、工厂介绍

公司介绍: 天龙新材料股份有限公司

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: 2024年8月18日14时56分，锦州市开发区天龙新材料股份有限公司在污水井清污过程中，发生中毒窒息事故，造成3人死亡、1人受伤，直接经济损失约661万元。

事故后果

死亡人数： 3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: 作业人员对作业现场危险因素不清楚，违反受限空间作业安全管理措施和作业过程风险防控要求，违规进入一段好氧池内作业，吸入硫化氢等有毒气体导致事故发生；施救人员在对池内环境危害程度不明、现场个体防护装备不全

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

涉及单元操作

涉及工业设备: 废水处理单元

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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