[Stoves] Cuber and size of densifying machines. (no longer Re: The wood and char and fuel "debate" )

Wed Mar 5 13:47:24 CST 2014

Stovers,

Slide #9 of the presentation at the site given below is interesting.   
Those cubes should work very well in gasifiers of many different sizes.

I was impressed by the other slides that show the very large sizes of 
the pelletizers and cubers.   If supply of raw materials is sufficient, 
large machines seem so much more appropriate than 100 or 1000 small 
units.   Fuel supply is BIG business.

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 3/5/2014 9:58 AM, Energies Naturals C.B. wrote:
> Hello Michael,
>
> .....
>
> We saw some examples of cubers in a Beijing(?) stove exposition some time ago.
>
> Also check this:  http://www.novator.se/bioint/BPUA12Pres/10_BPUA12_Crane_Wang_MUYANG.pdf
>
> Hope this helps
>
> Rolf
>
>
>
>
> On Wed, 26 Feb 2014 10:36:47 -0600
> Michael Mahowald <memahowald at hotmail.com> wrote:
>
>> You are absolutely correct Paul !
>> Deforestation happens all over the world with the lack of fire wood.
>> There simply is not enough dry sources of trees or waste from them even for TLUD's to keep even poor consumers interested in them.
>> We know vetiver grass has the highest photosynthetic activity of any plant, making it the most renewable energy source on the planet.   We just have to densify the grass into pellets at a cost that people can afford.  The only way we can do this is to eliminate the cost of diesel fuel to run the generator to make the pellets.
>> We are planning on using a downdraft gasifier for gas to accomplish this.  We just have to perfect this process and size it for a portable pelleting plant that can be taken to the fields they grow it.
>> When we perfect this it will be capable to work everywhere in the world that needs clean cook stoves.
>> If you want to see what we are doing check out
>> http://haitireconstruction.ning.com/page/grass-energy
>> and http://haitireconstruction.ning.com/page/sustainable-path-on-how-to
>>
>> Michael E. MahowaldPresident
>> Haiti Reconstruction International952-220-6814
>>
>> Date: Tue, 25 Feb 2014 20:43:31 -0600
>> From: psanders at ilstu.edu
>> To: stoves at lists.bioenergylists.org; biochar at yahoogroups.com
>> Subject: [Stoves] The wood and char and fuel "debate" (was a long time ago called Re: Request for technology proposals - Clean Stove Initiative, Indonesia)
>>
>>
>>    
>>      
>>    
>>    
>>      Dear Crispin, Ron and all,
>>
>>        
>>
>>        It is interesting reading the back and forth between Ron and
>>        Crispin.   I emphasize two paragraphs from Crispin,
>>
>>        
>>
>>        On 2/24/2014 10:10 AM, Crispin Pembert-Pigott wrote:
>>
>>      
>>      
>>        
>>        
>>        
>>        
>>        
>>           
>>          There
>>              is no dispute between us whatsoever as to the energy
>>              consumption: the energy remaining in the char represents
>>              energy not liberated from the fuel consumed.
>>           
>>          The
>>              important question is not what we want, but what the
>>              customer of the test result wants. They are not asking how
>>              much energy was used when cooking, they asked how much fuel
>>              was consumed. The answer is of course different if there is
>>              char remaining and that char is not ‘fuel’ to the same stove
>>              for the next fire.
>>           
>>        
>>      
>>      For the vast majority of "customers" (including governments that
>>      want to reduce or reverse deforestation), the important question is
>>      "how much wood is burned."    The interests are highly related to
>>      WOOD, specifically related to TREES, not even counting sawdust that
>>      goes into pellets.
>>
>>      
>>
>>      So, because TLUD stoves are VERY GOOD at burning NON-wood biomass,
>>      the wood saved can be 100%.   And we still get the char.
>>
>>      
>>
>>      Concerning fuel and wood and non-wood and char and other such
>>      measurements, the real problems can come from rankings and Tiers and
>>      o
>> ther reports that could give excellent stoves some poor results
>>      because the "authorities" are defining fuel as being exclusively
>>      wood, as in trees and woodlands that need to be protected.
>>
>>      
>>
>>      If we could get past that "imposed intellectual construct" of fuel
>>      being wood, we could make more progress about some types of biomass
>>      stoves being even better than good for the environment.
>>
>>      
>>
>>      Rest assured that the advocates of alcohol and kerosene and other
>>      NON-biomass fuels are pointing out that their stoves help minimize
>>      deforestation/enviromental degradation.
>>
>>      
>>
>>      Biomass that is NOT WOOD needs to be recognized as being favorable
>>      for saving trees, and credit given to the stoves that can use those
>>      non-wood biomass fuels.
>>
>>      
>>
>>      AND that recognition and credit needs to be EXPLICITLY STATED IN THE
>>      REPORTS ABOUT FUEL CONSUMPTION.
>>
>>      
>>
>>      In some ways, this is all just another discussion about why the
>>      reported results of any stove testing need much explanation (which
>>      is usually not provided) and why the results are so easy to ignore
>>      as being poorly related to the realities of people and their stoves
>>      and their fuels.
>>
>>      
>>
>>      I hope we can do better in the future.
>>
>>      
>>
>>      Paul
>>         (still another week to go on my vacation trip to Brazil,
>>      so I probably will not be sending replies.)
>>
>>      Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
>> Email:  psanders at ilstu.edu
>> Skype: paultlud      Phone: +1-309-452-7072
>> Website:  www.drtlud.com
>>    
>>
>>
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