[Stoves] WorldStove replies to BioFuelWatyche's latestimprecisereporting of facts.

[Crispin Pemberton-Pigott]

Dear Steve

 

If you cool down the chimney, you get a lot of condensate. Better to keep
things on a low boil!

 

I will try to get a condensing coal stove working this coming year. There
are two reasons for it: a) I can get better total efficiency by condensing
the large amounts of moisture from the fuel and combustion moisture (620
g/kg burned) and b) the stoves are often used to pipe gases into a hollow
brick wall. This is usually condensing anyway with so much water
accumulating that they have to be rebuilt every three years. Because of the
poor combustion of traditional stoves used, there is a vile black liquid
dripping out of cracks in the walls especially when it is in a two story
house. The exit temperature almost never rises above 100 C on those cases.
The moisture condensed is something like 2.75 cubic metres per season! Not
much of that gets out as water vapour.

 

Regards

Crispin

 

 

From: stoves-bounces at lists.bioenergylists.org
[mailto:stoves-bounces at lists.bioenergylists.org] On Behalf Of Steve Taylor
Sent: 26 July 2011 05:51
To: Discussion of biomass cooking stoves
Subject: Re: [Stoves] WorldStove replies to BioFuelWatyche's
latestimprecisereporting of facts.

 

 

On 26 July 2011 10:06, Ronald Hongsermeier <rwhongser at web.de> wrote:

Hi Steve,
Whilst I'm well aware that you can optimize chimney effects and
heat-exchanger efficiency and the like, do you really think it likely that
Crispin is reporting on a furnace for which over 80% of the heat goes up the
chimney unused?


Well, no, obviously. 

This group is getting a lot snarkier than we've seen before. Can we not all
cool it down ? 

Steve 

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