石油工业或产能建设中油气集输流程、在投入使用后,由于承受内部介质压力、化学或电化学腐蚀,或由于流程或容器的结构、材料及焊接工艺等方面的缺陷,使之在使用过程中可能产生裂纹、穿孔等破坏需要用火焊、电焊等方法进行动火施工,本文从系统停产和非停产两个方面阐述了含有易燃介质的油、气管线动火的安全技术措施即动火连头措施和带压开孔措施,着重阐述了动火连头时主要采取的安全技术措施和注意事项。 Oil and gas industry or capacity building in the process of gathering and transporting of oil and gas, after put into use, due to internal media pressure, chemical or electrochemical corrosion, or due to the process or container structure, materials and welding processes and other aspects of defects so that the process Which may cause cracks, perforation and other damage need to use fire welding, welding and other methods of moving fire construction, this article from two aspects of system shutdown and non-stop production of flammable media containing oil and gas pipeline fire safety technical measures that move Measures of fire joint and measures of opening with pressure, with emphasis on the main safety and technical measures and precautions taken when moving together.