[Stoves] Coal dust briquetting

[Robert Taylor]

The concept of using a compost pile to heat water is often attributed to 
Jean Pain of Switzerland:
https://en.wikipedia.org/wiki/Jean_Pain
https://en.wikipedia.org/wiki/Compost_heater

I think "hot" composting has been known about for a long time too. Which 
of course doesn't exclude independent rediscovery.

Robert

On 2019-03-11 02:13, Crispin Pemberton-Pigott wrote:
>
> Millions!
>
> I was attending a barn fire near my home in Cherrywood, Ontario about 
> 1971 or so, and as my step-father had an aqualung, I took it over. The 
> barn was so full of pyrolysis gases from the auto-ignited hay 
> (haylage, they called it) that it was becoming impossible to fight the 
> fire.  There was serious danger of suffocation if anyone tried to 
> “open the barn” higher up because it would take time.  Clearing the 
> fire required removing the pyrolyzing material by hand with pitchforks 
> as the community members could toss it to the front end loader.
>
> I used the aqualung to enter the building and walk over the top of the 
> hay though the gases (which really stung the eyes I might add) and 
> kicked out a board at the end of the barn creating a ventilation 
> hole.  Air then entered the working space and the pyrolysis gases left 
> the building through one end.
>
> That was my first experience with auto-ignition of biomass.
>
> Later, a farmer in Saskatchewan worked out how to get his manure pile 
> to “cook” and by passing a coil of water-filled pipe under it, or 
> buried in it, he heated his house for a whole winter.  So the 
> challenge is not to prevent “self-cooking” but to control it in a 
> useful manner.
>
> Right Paul?
>
> Crispin
>
> ++++++++
>
> A question related to biomass waste parallel with coal - are there 
> instances of auto-ignition in any biomass waste?>
>
> N
>
>
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