[Stoves] Don't waste the heat, grow red wigglers and glorious greens

[Gerrie Baker]

If anyone is close to Kingston, Ontario and wants to have a look at this 
system with the intention of assisting that would be greatly appreciated.  G


On 16/10/2011 6:32 AM, ajheggie at gmail.com wrote:
> On Sunday 16 October 2011 05:03:12 Crispin Pemberton-Pigott wrote:
>> Water poured onto a large pile of hot charcoal can manufacture hydrogen
>> and the pile can explode. It is not common, but not unknown.
> Which is a lot different from dunking the char into water.
>
> freshly made char is hygroscopic. it absorbs water vapour from the air and
> this is adsorbed on the char matrix, essentially condensing it from the
> vapour state to liquid, in so doing it releases all the latent heat into
> the pile and a hotspot can develop and ignite the pile.
>
> The release of hydrogen from sprinkling water onto char is s simple
> disassociating at low temperature? I don't recall Yury's post and I do
> read all he posts. From experience of putting out barbecues and the
> almost explosive generation of steam I would not advocate pouring small
> volumes of water onto hot char.
>
> Perhaps Alex will comment because I think his method of augering the hot
> char into water also utilised the water as an air seal to prevent air
> entering that part of the combustion chamber.
>
> AJH
>
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