Cold Insulation Design of Cryogenic Ethylene Pipeline from Jetty to Tank Area
The cryogenic ethylene pipeline extending from the jetty to the tank area con-stitutes the core infrastructure of the ethylene cryogenic storage system.En-suring a proper cold insulation design for this pipeline,aimed at controlling cold losses,is crucial for the smooth operation of the system.This paper com-bines engineering examples to compare six distinct cold insulation structural schemes in terms of material performance,structural rationality,material cost and fire resistance,specifically tailored for the cold insulation design of cryo-genic ethylene pipeline for intermittent operation.Ultimately,the paper rec-ommends the adoption of a structure consisting of PIR(internal)and foam glass(external)to optimize investment and ensure the pipeline normal opera-tion.
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