Stove of all kinds adapted hair cell

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Did67
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by Did67 » 17/08/15, 21:41

This should be semantics ... Anyway, if there is a difference, I do not know it!

The principle is that the wood, while burning, will partly gasify ... until there remains only coal / or embers rather.

Part of these gases are not burned properly in the primary focus, for lack of oxygen (fire is regulated by closing more or less the valve (s) of draw, so all the available oxygen is monopolized by the fire in the main focus).

With post-combustion, we also inject air behind the fireplace. This one will allow these gases to burn.

It is both cleaner and will generate better performance.
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by highfly-addict » 17/08/15, 21:51

Hello !
Yes, it is the same thing, it is to bring air (preheated in general) downstream of the hearth, so that the gases and particles are totally burned (or almost, the perfection is not of this world ...).
Result: optimal combustion efficiency, no clogging of the flue pipes, more smoke in fact, only "air" enriched in CO2 and H2O.

edit: grilled by DID!
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by Did67 » 17/08/15, 21:58

The "fence" is not wanted! As long as we agree, it does not create confusion!

However, I do not quite agree with your "more smoke": there is still combustion gases which are much cleaner, but containing water vapor (even gas boilers make an ephemeral plume of "smoke "- white = condensation) and some emissions all the same. Even electronically controlled pellet boilers, even cleaner, are no exception!

But it is true that this considerably reduces these "bluish fumes", which irritate the throat and "surround" the houses heated with poorly conducted stoves, using wood that is too humid.

In winter, when I go down to the village, my throat is taken at the entrance of the village ...
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by highfly-addict » 17/08/15, 22:06

Arf, I was referring to the visual and olfactory aspects of gases, but we say the same thing!

As for the condensation visible shortly after the exit, it signs to me an optimal use of the installation.

It's pretty commonplace to see it on a boiler optimized industrially, but it's more effective when you get this result with a stove DIY.
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by Ahmed » 17/08/15, 22:08

It is a marketing jargon to translate awkwardly (from a technical point of view, means) the difficulty to properly burn the gaseous component of wood.

The primary air passes through the gate and its oxygen is preferentially combined with embers, which has the effect of increasing pyrolysis, ie the release of gases for which no longer enough oxygen; from there, the introduction of secondary air specially dedicated to these gases (and secondarily to the scanning of the glass); the speed of the gases and therefore the brevity of their stay in the hearth does not allow the integral combustion of the mixture, a third hot air inlet can be provided downstream of the hearth, behind the drain, to eliminate a maximum of unburnt .

The fast burning mass stoves play on the quality of the wood (normally soft wood in small sections) to have only a combustion regime, to better control.
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by chatelot16 » 18/08/15, 11:29

when we reduce the power, we must reduce the size of the wood, and we come to the problem that it reduces the time of combustion: it is necessary to recharge often and very little at a time ... the conduct of the ffeu becomes complicated and requires too much job

so for me I keep the log to make big fire when it is very cold and prefer the wood crushed in plate for automatic feeding of a small fire

pity that we do not find in the trade of stove with automatic feeding of plate
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Re: Stove of any hair adapted pile hair




by hic » 18/08/15, 12:01

Answer pile hair in title
I invent the Maximum Performance Stove at all powers!
The efficiency of a stove is calculated on its maximum power;
In short, when we stuff it, we are sure to have the draw and therefore a good performance
(as everyone noticed)
and this whatever the model or this complexity;
when the draw drops, the yield drops!


the answer is:
Le Variable sized stove, for optimization of natural oxygenation!

(translation: the hearth is always stuffed with a maximum yield,
even at a quarter of the maximum power) : Mrgreen: !
Last edited by hic the 18 / 08 / 15, 12: 19, 1 edited once.
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by Ahmed » 18/08/15, 12:16

Chatelot, you write:
pity that we do not find in the trade of stove with automatic feeding of platelets

Yes, it is an insoluble problem for small powers: the behavior of platelets, as the congestion of the system are unacceptable.
The driving of the combustion stoves and small fuel is indeed special.

hic, you solve only half of the problem: it would also be necessary to vary the surfaces of exchanges ...
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by hic » 18/08/15, 12:39

chatelot16 wrote:when we reduce the power, we must reduce the size of the wood, and we come to the problem that it reduces the time of combustion: it is necessary to recharge often and very little at a time ... the conduct of the ffeu becomes complicated and requires too much job

so for me I keep the log to make big fire when it is very cold and prefer the wood crushed in plate for automatic feeding of a small fire

pity that we do not find in the trade of stove with automatic feeding of plate


automatic and maximum efficiency?

put the pads in a charger and burn them one by one,
or then 1tree logs in a magazine that is burned by the end,

all in the manner of a peel stove,

one would obtain a yield of 85% whatever the intermediate heating powers
Last edited by hic the 18 / 08 / 15, 13: 03, 1 edited once.
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by Ahmed » 18/08/15, 12:49

hic, you write:
or then, a log of 1 meter that is burned by the end

This is a possibility that applies to the rocket stove, at least the "J" model.
I will try to experiment with this type of stove this fall / winter and, if it interests a number of people here, I will detail the construction and the tests: it would be a question of making a kind of synthesis of what exists, in adding a personal "sauce" ...
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