Re: Indirect heating - water or oil baths
- I have "modified" a double walled stainless steel pot (20 liter)
meant to keep food warm.
I drilled one hole on top of the cavity so that it could be filled
When I put the pot on the flame, I found the results very pleasing: a
very even and intense heat because of the surrounding water bath.
I didn't distill with it though.
There are several advantages for such systems: cheap, high heat
capacity, no danger for local overheating and scorching, buffer
capacity... and since it is an open system, there is also no risk for
steam explosions. When the water boiled, the steam could easily
--- In Distillers@yahoogroups.com, "Ackland, Tony (CALNZAS)" <
> Can someone step me through the issues of using water or oil bathsfor heating a still ?
>around the inner pot & up its sides, or have it fairly floating in a
> What volume of liquid is required - just a thin layer (1cm ?)
large volume of it ?
> Does the outer liquid depth only need to match the inner liquid
>very close to the inner pot, or not ? Eg is steam/splashing a
> Should the outer container (holding the water/oil) be closed over
problem from the bath ?
> If oil is to be used, what's best ? (something with a high
>source, and evening it out ?
> Are they very effective in moderating the heat from a direct flame
> What other problems are there, or things to consider ?