（１）在检修容器前，容器与其他设备的连接管道必须彻底切断。对与易燃或有毒气体设备的通路，要关闭阀门，加设盲板严密封闭，以免因阀门泄漏，易燃或有毒气体漏进检修的容器中引起着火、爆炸或中毒事故。（２）检修容器，如需卸下或上紧承压部件，必须将容器内的全部压力排 (1) Prior to inspecting the container, the connection between the container and other equipment must be severed completely. For the access of equipment with flammable or toxic gas, close the valve and close the blind by adding a blind to avoid fire, explosion or poisoning caused by leaking valve, flammable or toxic gas into the overhaul container. (2) To inspect the container, if it is necessary to remove or tighten the pressure-receiving part, all the pressure lines in the container