The transformation of floating plate of some oil product internal floating roof tanks to meet the na-tional environmental protection requirements are ana-lyzed and discussed.The structural forms of single-plate steel inner floating plate,double-plate steel in-ner floating roof,integrally reinforced modular stain-less steel inner floating roof,stainless steel honeycomb inner floating roof and glass fiber reinforced plastics inner floating roof are briefly introduced.The provi-sions on floating tray in the"Code for Design of Oil Depot(GB 50074-2014)"and its revised draft for approval,"Standard for Fire Prevention Design of Petrochemical Enterprise(GB 50160-2018)"and the technical requirements for volatile organic com-pounds(VOCs)control of inner floating roof storage tank are explained.The carbon steel floating plate and stainless steel floating plate are compared from the as-pects of construction risk,construction period,invest-ment cost,operation and maintenance and construc-tion procedures,and the selection suggestions are put forward,which can provide a reference for the rele-vant enterprises floating plate transformation.
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