This message below from Ed in Wales contained a number of images which are too large for [stoves]. The link to youtube shows the overall layout of Ed's indoor water heater and though the audio is poor he explains how it works.
I expect Erin will see if she can upload the images to the website. AJH > >Hi sorry I havn't been following all of this thread, but I thought >this might be of interest to somebody, > > I >am a market gardener, I produce a steady stream of biochar from my >water heating systems. I live in Wales, it is cold and wet here and I >like washing in hot water. > > I >have played with bringing tlud stoves indoors but it is not easy and >so I have built water heating systems using what I call biochar >rocket stoves (sorry if this brings back bad memories Crispin!) >Because >they are not filled, lit and emptied from the top they can easily be >left in place under heat exchangers, hot plates and a flue outlet >pipe. Here in Wales this is important. > If >you run them in the evening, when you most need space heat and >cooking, then after a couple of hours you have your biochar. It is >fine to keep them burning for as long as you want (whereas there is a >limit to how much you can keep topping up a tlud) >Unlike >wood burning stoves, it is possible to have the flue outlet angled up >about 30 degrees from horizontal and surrounded in a thermal mass to >capture residual heat. Otherwise the 8th photo is of a section of >flue outlet with integral thermal mass. > Shut >a door on the front and the biochar goes out overnight. My CO meter >has yet to read 1ppm indoors. Empty the biochar by sliding out the >floor of the stove and it drops straight into a metal bucket, no >quenching, no dust and no mess. > The >first photos are of these stoves connected to a 50 litre water tank + >hotplate and oven for cooking. (The pipe in the second picture is to >give secondary air to the flames.) The system in these photos is >mobile and connected to a small header tank so that I can do demos at >permaculture conventions and workshops. > The >youtube video link below is of something different; a double walled >flue pipe with feed and empty hoppers for putting in biomass and >emptying out biochar. A bit like an anila stove except the inner >combustion pipe has no floor, it goes straight through to the stove >below. If its ok with Crispin, I was thinking of calling this flue >pipe an anila flue pipe. > >http://youtu.be/MTiSTrdYuoA > >Sorry >Crispin, I do not have the time, money or inclination to test these >systems to your required standards. They are capable of heating over 200 >litres on one 3 hour burn and catch residual heat in a thermal >mass without any visible emissions. > > Ed _______________________________________________ Stoves mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org for more Biomass Cooking Stoves, News and Information see our web site: http://stoves.bioenergylists.org/
