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The main items for checking the operating condition of pressure vessels include: 01 Whether the product nameplate, paint color, markings, and the serial number on the registration certificate of the pressure vessel comply with relevant regulations； 02 Check whether there are cracks, overheating, deformation, leakage, or mechanical contact damage in the body of the pressure vessel, its connections (valves, pipelines), welding joints, etc ； 03 Check for corrosion on the outer surface, as well as any abnormal frosting or dew formation ； 04 Check for any damage, detachment, moisture, or cold leakage in the insulation layer ； 05 Check for leaks of liquid or air at the leak detection holes and signal holes, and ensure that the leak detection holes are unobstructed ； 06 Are there any abnormal vibrations, noises, or friction between the pressure vessel and adjacent pipes or components? ； 07 Check whether the supports or bearings are damaged, whether the foundation has sunk, tilted, or cracked, and whether all fastening bolts are present and in good condition ； 08 Are the emission (hydrophobicity, waste discharge) devices in good condition? ； 09 Are there any phenomena such as overpressure, overheating, or excess quantity during operation? ； 10. For tanks equipped with grounding devices, check whether these devices meet the requirements ； 11 Monitor the pressure vessels in use to ensure that monitoring measures are effectively implemented ； 12. Does the safety interlock function of the quick-opening pressure vessel meet the requirements?