CrazyEngineers
CrazyEngineers

  • How Heat Exchangers Work

    CE Designer

    Member

    Updated: Oct 26, 2024
    Views: 935
    How do Industrial Heat Exhangers work? For Example in the Conoco Phillips process to turn nat gas into LNG they use 3 cooling stages. The first using propane, then ethane then methane. How do these heat exchangers turn gas into liquid? And why propane ethane and methane?
    #-Link-Snipped-# looking forward to your response on this.
    0
    Replies
Howdy guest!
Dear guest, you must be logged-in to participate on CrazyEngineers. We would love to have you as a member of our community. Consider creating an account or login.
Replies

  • Ramani Aswath

    Member • Aug 2, 2012

    As far as I am aware, the Conoocoophillips process is a patented cascade cooling technology, which is in contrast to the popular propane precooled mixed refrigerant technology.
    Natural gas when cooled to -160 C remains a liquid at ambient pressure. If this liquefaction can be done offshore there are major advantages in handling.
    The cascade technology achieves this liquefaction by progressive cooling. Propne has the highest, ethane the middle and methane the lowest temperature. While theoretically one can use methane directly, overall efficiency and economics favours the cascade process.
    Other than that I do not think that there is anything special in the heat transfer unit operation itself.
    #-Link-Snipped-#
    #-Link-Snipped-#
    Are you sure? This action cannot be undone.
    Cancel

  • CE Designer

    Member • Aug 6, 2012

    The second link told me what I needed to know, thanks!
    Are you sure? This action cannot be undone.
    Cancel

  • scorpion2189

    Member • Apr 13, 2013

    How are heat exchangers used for cryogenic applications (for eg. Liquefaction of natural gas) different from normally used heat exchangers??? Is there any change in the construction or working???
    Are you sure? This action cannot be undone.
    Cancel
Home Channels Search Login Register