摘要
城市燃气管道带压开孔封堵技术,是一种安全、经济、高效的管道抢修抢险技术,适用于管线的正常维修改造和突发事故的抢修抢险。文章对现有带压封堵工艺及双球胆封堵工艺进行简要阐述及分析对比。
The technology of pressure hole opening and plugging for urban gas pipeline is a sate, economic ana efficient technology for pipeline repair and emergency rescue, which is suitable for normal maintenance, reconstruction of pipelines and emergency repair for accidents. This paper briefly expounds the analysis and contrast of the current pressure plugging technology and double ball sealing technology.
出处
《上海煤气》
2018年第1期9-10,15,共3页
Shanghai Gas
关键词
城市燃气
抢修抢险
带压封堵
双球胆封堵
urban gas, repair and emergency rescue, pressure plugging, double ball sealing
