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I figure there is a definite limit to how much power you can get into a boiler with steam.
The governing factors being temp of steam, temp of wash, contact area, heat conduction of the metal and perhaps its thickness?
Has someone worked it out? (So I don't need too :D )
@grim, how much power can you put in to your boiler? I'm guessing it varies a lot depending whether its on startup at 20° or the end of the run at 100°.
What I'm ultimately after is a W/cm² figure to work off for 304SS @ Δt of 20° (so wash @ 100°C & using LP steam?)
How squat does a jacketed 1000l boiler need to be to get 70kW into it?