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长管拖车作为专用气体储运装备实现国产化已有10余年时间,其关键部件——长管拖车气瓶(即大容积无缝钢瓶)由于充装介质多易燃、易爆、且具腐蚀性和毒性,具有较高的安全隐患和潜在危险,因此国家将其纳入特种设备进行全寿命安全监管。中国特种设备检测研究院作为长管拖车定期检验专业机构,累计检验长管拖车气瓶万余只,对其制造使用工况、典型失效模式和缺陷评定方法积累了大量数据。本文综述了我国长管拖车气瓶的制造使用现状、安全检验现状和发展趋势,为长管拖车在我国的安全使用及发展提供依据。
Long tube trailer as a dedicated gas storage and transportation equipment to achieve localization has been more than 10 years, the key components - long tube trailer cylinders (ie, large volume seamless cylinder) due to the filling medium more flammable, explosive, and corrosion Sexual and toxic, with high security risks and potential dangers, so the state will be integrated into special equipment for life-cycle safety supervision. China Special Equipment Inspection and Research Institute as a long tube trailer regular inspection professional institutions, a total of more than 10,000 long tube trailer cylinders, the manufacture and use of conditions, the typical failure mode and defect assessment methods have accumulated a large amount of data. This article summarizes the status quo and development trend of manufacture and use of long tube trailer cylinders in China, and provides the basis for the safe use and development of long tube trailers in our country.