I don't mean that it fills the pan and over flows, but rather that the hard boil shoots some out. If you think you are losing none, try this: Get a hard boil going and place a sheet of anything that will show as a mist lands on it, ie glass,plexi glass, lexon, even a very shinny cookie sheet. Let it set directly beside the side of your pan. You will get indications of the amount lost. After 15 minutes, study the surface. You will see more than expected in most cases. The use of deflectors to run it back in helps but even my 15" pan will likely lose a little. The real issue is to try to keep the loss to an absolute minimum. You might not lose much, but to me any loss that can be realistically avoided is too much. The loss generally comes in the form of little droplets that geyser up and out.
Dave Klish, I recently bought a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater.
Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had.
After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.
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