Definition of furnace temperature
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Just now, I got another question wrong in another section: the definition of furnace temperature. I remember it clearly – furnace temperature refers to the temperature of the flue gases as they leave the radiation chamber and enter the convection chamber; it is the highest temperature reached during the operation of the heating furnace. But the question asked for the average temperature of the flue gas in the radiation chamber, so I gave an incorrect answer. I’m not sure whether this temperature refers to an instantaneous temperature or an average temperature Personally, I think an average temperature is more reasonable.
The average temperature – first and foremost, it cannot be a point temperature; a point temperature merely represents the temperature of a few randomly selected points, and it lacks statistical significance and representativeness. In industrial processes, optimization is carried out using the average temperature; therefore, wherever temperature-related values are involved, the average temperature is used in its place.
To be honest, the definition isn’t particularly clear, but in practical operations, the temperature measured at the points inside the furnace is taken directly as the furnace temperature, without first taking readings and then calculating an average value. I guess many internal operations do this as well.
When we say that the maximum furnace temperature should not exceed 850°C, we are generally referring to the highest temperature; there is no mention of a critical temperature. I hope you can get a specific answer and let me know so we can learn together; I’ll also look into it
First of all, thanks for sharing! Actually, I personally think that since it is called \"chamber temperature,\" the average temperature of the entire radiation chamber would be more reasonable. But I went through several other books, and they all state the same thing: the temperature at which the flue gas leaves the radiation chamber and enters the convection chamber is the highest temperature point in the entire furnace ； It is also the temperature most sensitive to changes, so it serves as the primary basis for regulating the temperature in our furnace (if it were the average temperature, there would definitely be a delay before any changes occurred). It’s a bit nitpicky; it’s just that I have to face departmental exams regularly – there’s nothing I can do about it!
For calculations, it should be based on the temperature indicated in the comments; when reading values during normal operation, each individual point needs to be considered, with the highest value generally being the one that matters