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

Paul Anderson psanders at ilstu.edu
Mon Jan 9 12:47:44 CST 2017 

Rolf and all,

The Windhager is not a retort and is not a TLUD at all.   In a retort, 
the heat is outside of the container with the fuel.   And a TLUD has 
TOP-LIGHTING.

It is a very nice updraft gasifier with close-coupled combustion (no 
attempt to cool the gases, they are all intended for burning).

Paul

Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  psanders at ilstu.edu
Skype:   paultlud    Phone: +1-309-452-7072
Website:  www.drtlud.com

On 1/9/2017 2:49 AM, Energies Naturals C.B. wrote:
> I came across this video when browsing for gasifiers.
> In german language, people also call downdraft logburners gasifiers, which in many ways is right.
>
> The Windhager retort is a true TLUD.
>
> The remarcable idea in this one is the double bottom sluice.
> Whether it makes charcoal or not sure is only a matter of discarding earlier or later and of the distance between the 2 discs.
> (Shure a gas analyzer can tell us when it's time to let the charbed drop.)
>
> I would air cool them, though. I have a lot of bad experience with long term warping of hot metal plates.
>
> I like the idea.
>
> Rolf
>
>
> On Mon, 9 Jan 2017 01:01:29 -0600
> Bob Stuart <bobstuart at sasktel.net> wrote:
>
>> Dear Bjorn,
>>
>> Since char is one of the better ways to sequester carbon, it should be
>> easy to persuade German legislators to accept it into landfills at no cost.
>>
>> Bob Stuart
>>
>>
>> On 17-01-09 12:36 AM, Björn Kuntze wrote:
>>> Paul,
>>>
>>> since I am German, I understood the video, of course.
>>>
>>> The system is designed for hot water production for domestic and commercial space heating. Power range is 7...60 kW. There is no charcoal production. This unit burns the wood and the ash is disposed. According to European standards ash for disposal may not contain more than 5% of combustibles (char), otherwise it cannot be used for landfill.
>>>
>>> Here is the link to the English website for further information:
>>> http://www.windhager.com/int_en/products/wood-chip/purowin/
>>>
>>> Bjorn
>>>
>>>    
>>>
>>> -----Ursprüngliche Nachricht-----
>>> Von: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] Im Auftrag von Paul Anderson
>>> Gesendet: Montag, 9. Januar 2017 05:26
>>> An: gasification at lists.bioenergylists.org
>>> Betreff: Re: [Gasification] Getting both heat and char . chip boiler with down-up gasification !
>>>
>>> List,
>>>
>>> I do not understand German, so I only saw the video.  What is the price
>>> tag?   And what is the thermal output?   And what is the quantity (char
>>> weight percentage of input fuel)?
>>>
>>> Paul
>>>
>>> Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
>>> Email:  psanders at ilstu.edu
>>> Skype:   paultlud    Phone: +1-309-452-7072
>>> Website:  www.drtlud.com
>>>
>>> On 1/8/2017 1:14 PM, Energies Naturals C.B. wrote:
>>>> 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
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