[Stoves] Fyro stove

Tue Nov 21 09:21:16 CST 2017

Thanks Paul for the interesting link.

I don't know what happened with Microsoft and links, but the pile of text below doesn't function as a link. Perhaps it has to be with the incoming messages from outlook.com. It looks like a glorified method of tracking who forwards links to whom. 

Back to the stove:

It is very similar to a crossdraft combustor with the only difference between the KG4 and the China Academy of Sciences (hereafter CAS) design being that there is no air supplied under the fuel hopper. Perhaps we are seeing a convergence on how to burn continuously while refueling episodically. 

For a pellet burner, this layout is viable as a space heating or cooking stove.

Note the minimum height of the unit is fixed by the need for fuel, air entry and combustion. This is a challenge for Indian producers as the cooks prefer very short stoves, but in Indonesia where there is a similar preference, YDD put the grate at floor level and has a chamber built into the floor for ash accumulation and removal (with a sliding air-tight door built into the floor).

The pot stand is obviously dangerous. Oh well. A 'real stove' would solve that.

Regards
Crispin

-----Original Message-----
From: Stoves [mailto:stoves-bounces at lists.bioenergylists.org] On Behalf Of Paul Anderson
Sent: 21-Nov-17 09:51
To: Stoves and biofuels network <Stoves at lists.bioenergylists.org>; info at fyro-stove.de
Subject: [Stoves] Fyro stove

Stovers,

A new friend Ih Cheng sent me a message that included this comment and link:

> I remembered a video ( 
> https://nam03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.
> youtube.com%2Fwatch%3Fv%3D1maX3o4174k&data=02%7C01%7Ccrispinpigott%40o
> utlook.com%7Ccecf249ac38d43cfc0cb08d530efa7c6%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636468728221289491&sdata=MsnySwvpa82PlCa2vdtRJFtnbC7wbr4gggSyXHJOmMg%3D&reserved=0 ), posted by Dieter Weber. he invented a Side-Lit-Up-Draft stove, limitting primary air from above, he explained the mechanism and the effect of his stove in the video.

It is a very interesting stove with an informative video (amost 18 minutes, but worth the time to watch it all).   The combustion processes are the creation of PWG (pyrolytic woodgas) with CCC (close coupled combustion (as are the TLUD stoves), but done from the side.  The video clearly shows the charcoal production (revealing that the char could be removed and saved -- of interest to the biochar listserv subscribers---), but the demonstration then burns the char inside the stove.

It appears that the "limiting of primary air from above" is to have control to restrict the exiting of the pyrolytic woodgas (PWG), causing the PWG that is restrained in the fuel chamber to limit the amount of new primary air that can enter.  As I said, very interesting.

The stove has some complexities (including moving parts), and is not yet into a production mode.  But it should not be ignored. Further information and contact is via the website at fyro-stove.de  and emai to    info at fyro-stove.de       I hope that they will join the Stove Listserv (if not already subscribed.)

Paul

--
Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  psanders at ilstu.edu
Skype:   paultlud    Phone: +1-309-452-7072
Website:  https://nam03.safelinks.protection.outlook.com/?url=www.drtlud.com&data=02%7C01%7Ccrispinpigott%40outlook.com%7Ccecf249ac38d43cfc0cb08d530efa7c6%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636468728221289491&sdata=3RQgLxQ3HxSbaddSKqx4DiDX3yYdpWaLnMEqEgCBgmU%3D&reserved=0

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