Scotty Mc wrote:Thanks for the info chaps.The fan was ok but overwhelmed by the amount of steam and the amount of condensation was difficult to manage. Boingy, the hood is already at an angle but it didn't do much good.The only solution I can think of is making a stainless steel hood with a chimney which will enclose the boiler just like a proper copper. As you say Boingy, the heat of the enclosed system should help. It's either this or something similar or destroy my shed in record time.
My enclosed system works well on the whole but is a pain at times because at least with my setup/process you can't keep it enclosed all the while. So you've achieved a better system then I have if you can reliably extract the steam without that kind of restriction. Just a pity about the condensation really, its annoying that its hard to quantify the dangers/chances but I'd imagine if it were fairly clean and not made of lead or something then what with the steam and heat in the boiler it should be reasonably safe.
I'm tempted to try something like it myself actually, maybe a hygenically designed, cleanable hood coupled to a pipe angled downwards slightly (I guess like the top third of the classic copper FVs they have in breweries) would work, at least if housed in the pipe was the same sort of powerful extractor you've found to work. Hmm, another one for the ever lengthening 'to do' list. Just out of interest, did your extractor system have anything saying how powerful it was?
EDIT: just had a potentially good idea - use a cone shaped hood with sides steep enough and a rim wide enough that condensation runs down to the rim and drips off 'around' the boiler, not into it? Could even make a small gutter or something, and possibly heat it so that condensation doesn't want to form easily to begin with. Copywrite Kev888; now all I have to do is to remember not to tell anyone before I patent it. Oh, bugg...