2019—2022年全国燃气管网事故统计分析

Statistical Analysis of Gas Pipeline Network Accidents in China from 2019 to 2022

梳理2019—2022年全国公开报道的169起燃气管网事故,分析事故发生的地区分布、月份分布、公称管径分布,以及事故类型、事故原因,提出预防燃气管网事故的建议。结果表明:2019—2021年燃气管网事故死亡人数、受伤人数占比均逐年提高。2021年死亡人数、受伤人数占比分别为90.70%、80.52%。2022年死亡人数、受伤人数占比下降,分别为0、8.61%。河南、江苏、四川是燃气管网事故数量排名前3位省份。以燃气管网事故类型分析,泄漏占比最大,为82.84%;以事故原因进行分析,第三方施工破坏占比最大,为61.54%。

169 gas pipeline network accidents publicly reported nationwide from 2019 to 2022 are sorted out.The region distribution,month distribution and nominal pipe diameter distribution of accidents,as well as the types and causes of accidents are analyzed.Suggestions on preventing gas pipe network accidents are put forward.The results show that the proportion of deaths and injuries in gas pipeline network accidents increased year by year from 2019 to 2021.The proportion of deaths and injuries in 2021 was 90.70%and 80.52%,respectively.In 2022,the proportion of deaths and injuries decreased to 0 and 8.61%,respectively.Henan,Jiangsu and Sichuan are the top three provinces in terms of the number of gas pipeline accidents.Based on the analysis of types of gas pipeline network accidents,leakage accounts for the largest proportion at 82.84%.Based on the analysis of accident causes,third-party construction damage accounts for the largest proportion at 61.54%.