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Coke drum overhead vapor line

Home Forums Coking Technical Fractionation & Process Process Coke drum overhead vapor line

This topic contains 1 reply, has 2 voices, and was last updated by  Anonymous 14 years, 5 months ago.

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  • #3575

    Merwin Merwin
    Participant

    Hi,
     
    Does anyone kwon what is the tipycal range or value of roughness factor for coke drum overhead vapor line before quench injection and after quench injection.
     
    Thanks

  • #6769

    Anonymous

    We are using standard roughness factor 0.00015 ft for clean commercial steel pipe, but We do not know the roughness factor when there is coke laydown inside the line.
     
    If you have some value please advise.
     
    Regards.

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