摘要
介绍了我国城市燃气管道带压不停输封堵技术的种类和适用范围。研究出新型皮碗,解决了原皮碗式封堵存在的燃气泄漏和积存铁屑问题。改进后的皮碗式封堵技术经济效益和社会效益显著。
The types and application scope of stopple plugging technologies for Chinese urban gas pipeline are introduced. A new sealing cup has been developed, and the problems of gas leak and iron filings accumulation existing in former sealing cup-type plugging have been solved. The improved sealing cup-type plugging technology has remarkable social benefit and economic benefit.
出处
《煤气与热力》
2006年第5期8-9,共2页
Gas & Heat
关键词
带压不停输封堵
膨胀桶式封堵
皮碗式封堵
stopple plugging
expansion barrel-type plugging
sealing cup-type plugging
