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Thread: Hot Oil Furnace Efficiency

  1. 07-26-2019, 02:09 PM #1
    Nabil17
    Nabil17 is offline Junior Member

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    Hot Oil Furnace Efficiency

    Greetings,

    I have a question: Does the efficiency of Hot Oil Furnace [a furnace that is used to increase the temperature of Thermia B oil using fuel gas] decrease by the decreasing the fuel gas flow?

    Let's say the overall efficiency is about 85% when oil temperature is increased from 168 to 240 oC (delta T is around 72 oC). What will happen to the efficiency if I keep the oil flow constant and I decrease the fuel gas flow in order to increase the oil temperature by just 15 oC?

    Also what is the typical thermal efficiency for a Fuel Gas fired Furnace?




    Thanks and regards!
    Last edited by Nabil17; 07-26-2019 at 03:27 PM.
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  2. 07-26-2019 02:09 PM # ADS
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