压力容器内部检验,是保证装置安全运行和企业稳定生产的重要环节,此过程属于特殊作业环境下的突击性劳动,存在多种危险因素,稍有疏忽就会损害检验人员的身体健康,甚至危及检验人员的生命。压力容器不仅是工业生产中的常用设备,而且也是一种易发生事故的特种设备。由于生产工艺和物料的特殊性,压力容器具有高温、高压、易燃易爆性、腐蚀性和剧毒性等特点。在压力容器检验作业中,由于施工作业类型的多样性,施工过程 Internal inspection of the pressure vessel is an important part to ensure the safe operation of the plant and the stable production of the enterprise. This process belongs to assault work under special operating environment. There are many risk factors. A slight negligence will damage the inspectors’ health and may even endanger Inspect people’s lives. Pressure vessels are not only commonly used equipment in industrial production, but also a special type of equipment that is prone to accidents. Due to the particularity of the production process and materials, the pressure vessel has the characteristics of high temperature, high pressure, inflammable and explosive, corrosive and highly toxic. In the pressure vessel inspection operations, due to the diversity of construction operations, the construction process