The past week not being happy with what I had experienced with the stills previously put together I decided to try the insulation tips given here and also to try the pot scrubbers touted. To begin with I built a manifold to mount two stills to the top of my boiler. The first was the stillmaker previously discussed with beads. The second was put together with the scrubbers but was ten inches longer on the main column. Both columns were insulated with common pipe foam insulation and had separate auto valves. Having had problems with heating the boiler and taking forever to reach over 200f, a larger burner was achieved and thus cutting the time in half to reach the previous working temps. Upon reaching the desired temp the new still with the scrubbers began to puke large volumes of water as though siphoning thru the main column. The older unit proceeded to operate as usual with the slow steady pace as before. Unable to overcome the puking action, the temps were lowered to 190f in an attempt at reaching an operating point. Finally the insulation was removed which cut back the puking but did not bring it to a halt. Removing the top to the boiler the 803 was quickely attached and temps were returned to the 200f mark. With the new burner running wide open the 803 began to operate as usual quickely. Wondering about such things I allowed the temps to reach 210f and the heat could not override the 803. Continuing on the temps were brought back to 190f and as product exited the column the alcohol was collecte in one liter bottles and as each bottle was filled the temp was raise five degrees. At the end of the run, actually the next day the content was checked and surprisingly the alcohol was 160 thru out. Also part of the 803 run was with insulation and part without. The only difference noted was that it seemed to take less cooling water to maintain the desired 176f temps. Any thoughts or suggestions? I am strictly trial and error and could use good experience counsel. thanks gaw
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