[Gasification] Getting both heat and char . chip boiler with down-up gasification !

[Energies Naturals C.B.]

https://www.youtube.com/watch?v=cF1Ki-ngFjE

Never seen before in heating boilers,clever!

Rolf


On Wed, 4 Jan 2017 13:33:30 +1300
Doug <doug.williams.nz at gmail.com> wrote:

> Hi Paul and Rolf,
> 
> Pyrolytic  gas can be quite wet so precise temperatures are risky to 
> quote. What I can tell you from experience, is that it always burns 
> hotter than clean producer gas, upwards of 1,050C, a basic tar test for 
> cleaner specification gas, 13-1500C is a rough rule of thumb for gas 
> exiting the combustion chamber. It has a very high radiation factor 
> useful for refractory application, but the price for this is that you 
> will get a high ash content in the kiln and flue dust emissions.
> 
> The actual combustion is complex, but achievable in a non regulated 
> situation, emissions being the issue, both dust and toxic gas CO,CH4, 
> and Dioxins. Combustion of these gases have been our focus for some 6-7 
> years, and current work at CalForest in California, is to use this gas 
> to dry the incoming fuel to the charmaker.
> 
>   Might be able to offer more later as you develop the concept.
> 
> Doug Williams.
> 
> On 04/01/17 12:20, Paul Anderson wrote:
> 
> > Rolf,
> >
> > I am responding to your two messages that are repeated below.
> >
> > I am definitely with you on this matter of making heat AND making 
> > char.   I have lots of experience with small scale devices, and 
> > moderate experience up to 200 kW thermal.
> >
> > Yes, BOTH the heat and the char are important, and help to pay for the 
> > other one.
> >
> > Before taking the discussion off-list, could you please tell all of us 
> > about your needs and about your resources.   No solution is free from 
> > the development costs.   Does the kiln already exist (or is that 
> > another cost to be covered?)   And we want to find out who else has a 
> > "burning" interest in this.   (This was 2/3rds of  a pun.   2/3rds 
> > is   P   U  ; as in pew!!)  (With full respect for the non-native 
> > English speakers on this listserv, here is then meaning of the joke:
> >> Wordwizard • View topic - *PEW* !! whats that?? 
> >> <http://www.wordwizard.com/phpbb3/viewtopic.php?p=63421>
> >> http://www.wordwizard.com/phpbb3/viewtopic.php?p=63421 mj (a.k.a. 
> >> Michael), The word *PEW*! has been around a bit more than decades ( 
> >> see ... 2) [1859] Expressing disgust at an unpleasant *smell*.
> >
> > And where it happens does make a difference, such as with labor costs. 
> >   You are in Mexico.   In what part?   Plenty of dry biomass??  Please 
> > send info.   Okay if in Spanish (I can read that, and if others 
> > cannot, we will cross that bridge when necessary).
> >
> > Do you know Noel C. of forestry in Mexico?   Could this become a 
> > Mexico project?
> >
> > Question for everyone:  When "woodgas" (pyrolytic gases) come off of 
> > the biomass, what is the highest temperatures at which they can be 
> > burned?   That would be with stochiometric combustion, right? Just the 
> > right amount of air.
> >
> >
> > Paul
> 


-- 
Energies Naturals C.B. <energiesnaturals at gmx.de>