Liquefied gas storage tank supervision and inspection

(1) Material management: ① The storage management of materials is chaotic, with no distinction between furnace batch numbers or grades, no distinction between pending inspection and inspection, and no distinction between qualified and unqualified, and they are piled together. ②Material symbols, some material symbols can’t tell the batch number of the furnace, the symbols are not transplanted, many cut and leftover plates are stored in the workshop without material symbols, and the procedures for returning materials are not handled. Material re-inspection, some materials do not have the original raw material certificate, and the copy does not have the signature of the legal person of the dealer and the special seal for inspection. ③Use of welding consumables, some units use and recycle the electrodes are not strict, some of the welding rods used are different from the batch numbers of the welding rod furnaces, and some of them are used by one person and used by multiple people.