[Stoves] Pyrolysis adaptation for tea factory

[nari phaltan]

Thanks Ron for your kindness.

Anil

Nimbkar Agricultural Research Institute (NARI)
Tambmal, Phaltan-Lonand Road
P.O.Box 44
Phaltan-415523, Maharashtra, India
Ph:91-2166-220945/222842
e-mail:nariphaltan at gmail.com
           nariphaltan at nariphaltan.org

http://www.nariphaltan.org

On Tue, Mar 8, 2016 at 1:00 AM, Ronal W. Larson <rongretlarson at comcast.net>
wrote:

> Anil: cc list
>
>  Excellent report.   I today recommended to Pablo Chinese systems, but
> obviously Indian designs should also be considered (especially by those
> closer to India than China).  Are any of the designs you describe available
> for purchase by Pablo now?
>
> A key sentence in your 1996 paper is:  “*The system also produces char,
> which is about 24% by weight of the original fuel.” *    Many people will
> miss this feature - as most machines using the term “gasifier”  attempt to
> consume all the char.
>
> I also recommend your:  http://nariphaltan.org/gasifierhistory.pdf .  I
> was unaware that you were doing such excellent work so early.
>
> Ron
>
>
> On Mar 7, 2016, at 9:03 AM, Nariphaltan <nariphaltan at gmail.com> wrote:
>
> You might look at this system that we developed long ago for leafy
> biomass. Www.nariphaltan.org/Gasifier.pdf
> <http://www.nariphaltan.org/Gasifier.pdf>
>
> All the best.
>
> Anil K Rajvanshi
>
> Sent from my iPad
>
>
>
> On 07-Mar-2016, at 4:03 PM, Pablo <pgonzamail at yahoo.es> wrote:
>
> Dear All,
>
> I am following the group and I find it very interesting. Thank you to all
> for your contributions.
>
> I work in tea in China in a private initiative project aimed to increase
> the sustainability of the organic tea garden and the local community. Among
> other actions, some money is allocated every year to finance small
> projects. I am looking into biochar stoves to improve efficiency use of
> firewood of the local households (currently burning wood and coal), however
> what I am more interested in at this moment is into the possibilities of
> using pyrolysis to supply the energy needed for tea processing while
> enjoying other benefits (i.e., biochar for the tea garden soil, waste
> management by using alternative feedstock such as pig sludge, producing
> vegetable coal,…).
>
> I am not sure if this is the right place to raise the question … but I go
> on:
>
> I know there exists pyrolysis systems to generate heat but the scale is
> too large for the needs in the tea factory. I have explored with some
> companies and the minimum feeding rate of the module is 250 kg/hr of
> biomass and our needs lay somewhere 300-600 kg/day of biomass (12-24
> kg/hour). So my question is, do you know if pyrolysis modules to produce
> heat (and biochar as side product) can be scaled down to what I need? And,
> if yes, do you know of any company working on this?
>
> Thank you very much! and sorry if my question was raised in the wrong
> place.
>
> Warm regards,
>
> Pablo
>
> Brief description of the area: The tea factory is located in a remote
> mountain area (see some pictures attached). In the factory the tea is first
> heat up to stop enzyme activity, then is rolled and finally roasted.
> Currently the first heat up and roasting is done using wood and vegetable
> coal and the rolling uses electricity. To process the tea of one year the
> factory uses 50 ton of wood trunks (big trunks, with some water content), 5
> ton of wood brunches (as fire starter, dry thinner wood), 3.5 ton of
> vegetable coal and 35 MWh.
>
> <Letter for pyrolysis adaptation to tea factory_pictures.pdf>
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