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Thermal oil calculations

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Ohuti

Mechanical
Sep 12, 2024
3
I'm reaching out for assistance with an energy-saving project I've been tasked with. Our industrial process uses a furnace to heat thermal oil, and we're currently producing more heat than required. To optimize energy consumption, I need to calculate the potential for lowering the setpoint temperature of the thermal oil.

Can anyone help me with the following:

1. What calculations should I perform to determine the feasible temperature reduction?
2. What factors should I consider when evaluating the impact of a lower setpoint temperature on our process?
3. Are there any specific energy-saving opportunities I should investigate in this context?

Your guidance and expertise would be greatly appreciated. Thank you in advance for your help!. I have made calculations. I will upload the file thank you.
 
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What are you heating with the oil?
You need to start there and figure out what your real demand is.
Does your furnace cycle on and off or does it adjust the firing rate?
If it is on/off you may get unacceptable swings in temperature.
If it adjusts then it may need to be re-tuned to be efficient at the new load.

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P.E. Metallurgy, consulting work welcomed
 
"Producing more great than required"

Eh? Where it going then?

It do you mean the efficiency goes down?

How about reducing fuel flow?

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
 
From what I can find on the internet, typical hot oil temp ranges 150-180degC for hot oil pressing in order to reach core temp of some 120degC for particle board. What is the setpoint of your hot oil heater now ?
 
No upload of calculations

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
 
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