[Stoves] Fwd: Smoke-free biomass pellet fueled stove

Rolf Uhle energiesnaturals at gmx.de
Tue Nov 6 10:09:53 CST 2012


Wow Ronny !

Rolf von Arbeitmitteninderwoche-sonmist



Am Dienstag, 6. November 2012, 16:59:57 schrieben Sie:
> Dear Kevin,
> 
> I am just wondering if it's helpful-- or rather to be perhaps a bit
> blunt-- doubtful that it is. There are people on the list who are merely
> commenting observers, active philanthropists, idea philanthropists,
> tinkerers, business owners/employers and open-source religionists. Then
> there are people that are combinations of the aforementioned or
> something completely different. I think that Anil is well within the
> rights of his situation and conscience to do as he has done while I at
> the same time think of myself as a supporter of people as varied and
> different as Doug Williams and Jim Mason. The main problem I had with
> your comment at first read was that I was not sure whether you were
> saying that you were supporting Mr. Nurhuda's momentary policy or not.
> And, sadly, I have to admit that I'm even more confused now, because I
> think that logically you may be working with a chiastic instead of
> parallel logical structure, where the elements are not simply aligned
> having like characterists along two axes, but with opposite referents
> and thus crossed axes.
> 
> regards,
> 
> Ronald von Wochenendemitteninderwoche :/
> 
> On 06.11.2012 14:07, Kevin wrote:
> > Dear Ronald
> > I was struck by the apparent parallel between "Classic Old Time
> > Imperialism" in the Physical world, and "Technology Capitalism" in the
> > "Stoves World."  Examples of the "Classic Old Time Capitalism" would
> > be of the Romans who conquered Countries for their Resources, and the
> > Spaniards conquered the Mayans and Incas for their Gold, as compared
> > to "Technology Capitalism", where a Member or Members of the "Stoves
> > List World" seek to take New Technology, "The Gold of the Stoves
> > World" from "lesser powers."
> > Imperialism is defined at
> > http://encyclopedia2.thefreedictionary.com/imperialism Classic
> > Imperialism usually involved exploitation of a smaller or weaker
> > Country or people by a more powerful Government or Country, where "the
> > Imperialist" takes labour and tangible resources from the Country or
> > people it dominates. The parallel with "Classic Imperialism" is
> > perhaps weak, in that neither Governments nor tangible resources are
> > involved, but rather, Individuals and abstract Technology.
> > Perhaps my parallel was "too big a stretch." What do you think?
> > Best wishes,
> > Kevin
> > ----- Original Message -----
> > 
> >     *From:* Ronald Hongsermeier <mailto:rwhongser at web.de>
> >     *To:* Discussion of biomass cooking stoves
> >     <mailto:stoves at lists.bioenergylists.org>
> >     *Sent:* Tuesday, November 06, 2012 6:19 AM
> >     *Subject:* Re: [Stoves] Fwd: Smoke-free biomass pellet fueled stove
> >     
> >     Dear Kevin,
> >     
> >     Please define "Imperialism" since it's not clear from the context
> >     what you mean.
> >     
> >     Thanks,
> >     
> >     Ronald von der Neuenkleinindustrieparkanlage
> >     
> >     On 06.11.2012 05:37, Kevin wrote:
> >>     Dear Anil
> >>     Sadly, it looks like Imperialism is still alive and well.
> >>     Best wishes,
> >>     Kevin
> >>     
> >>         ----- Original Message -----
> >>         *From:* nari phaltan <mailto:nariphaltan at gmail.com>
> >>         *To:* Discussion of biomass cooking stoves
> >>         <mailto:stoves at lists.bioenergylists.org>
> >>         *Sent:* Tuesday, November 06, 2012 12:09 AM
> >>         *Subject:* Re: [Stoves] Fwd: Smoke-free biomass pellet fueled
> >>         stove
> >>         
> >>         *Dear Prof Nurhuda,*
> >>         *
> >>         *
> >>         *It is a very impressive development and you are right in
> >>         expecting a suitable rate of return on your intellectual
> >>         property. Such requests for waiving rights have also been
> >>         received by us for our ethanol stove work before from some
> >>         members of the group.*
> >>         *
> >>         *
> >>         *All the best.*
> >>         *
> >>         *
> >>         *Anil K Rajvanshi*
> >>         *
> >>         *
> >>         *
> >>         *
> >>         
> >>         
> >>         On Tue, Nov 6, 2012 at 4:38 PM, <mnurhuda at ub.ac.id
> >>         
> >>         <mailto:mnurhuda at ub.ac.id>> wrote:
> >>             Dear Prof. Anderson,
> >>             
> >>             The equipments used to produce the stove are actually the
> >>             standard
> >>             equipments used in the kerosene stove production. They
> >>             are hydraulic
> >>             press, welding equipment, roller, and still many other
> >>             equipments.
> >>             
> >>             The number of personals are 30 persons, but those are
> >>             involved in the
> >>             production, due to still lower demand, is only 6-10 persons.
> >>             
> >>             The maximum production capacity, at moment, around 500
> >>             units in week. But
> >>             we can increase up to 1000 units in week. It depends on
> >>             the difficulty
> >>             level, the stove dimension and still many other things.
> >>             
> >>             The expenses used in the development of new stoves are
> >>             mostly for research
> >>             and purchasing or build new equipments. We have spent
> >>             more tens thousands
> >>             US$ from our start in the mid 2008. I therefore disagree
> >>             to any proposal
> >>             to intelectual right removal, as you ever wrote about it
> >>             to me two years
> >>             ago.
> >>             
> >>             Kind regards
> >>             M. Nurhuda
> >>             
> >>             
> >>             
> >>             Regards
> >>             M. Nurhuda
> >>             
> >>             > Dear M. Nurhuda,
> >>             > 
> >>             > Thank you for the info.
> >>             > 
> >>             > Many of us are curious about your workshop to produce
> >>             
> >>             such nice items.
> >>             
> >>             > Questions include the equipment, personnel, and
> >>             
> >>             production capacity.
> >>             
> >>             > With appreciation,
> >>             > 
> >>             > Paul
> >>             > 
> >>             > Paul S. Anderson, PhD  aka "Dr TLUD"
> >>             > Email: psanders at ilstu.edu <mailto:psanders at ilstu.edu>
> >>             
> >>             Skype: paultlud  Phone: +1-309-452-7072
> >>             <tel:%2B1-309-452-7072>
> >>             
> >>             > Website: www.drtlud.com <http://www.drtlud.com>
> >>             > 
> >>             > On 11/5/2012 1:13 AM, Ron Larson wrote:
> >>             >> Lists:
> >>             >>   Prof. Nurhuda has ok'd my forwarding this additional
> >>             
> >>             information on
> >>             
> >>             >> his recently announced stove.
> >>             >> 
> >>             >> Ron
> >>             >> 
> >>             >> Begin forwarded message:
> >>             >>> *From:* Muhammad Nurhuda <mnurhuda at gmail.com
> >>             
> >>             <mailto:mnurhuda at gmail.com>
> >>             
> >>             >>> <mailto:mnurhuda at gmail.com <mailto:mnurhuda at gmail.com>>>
> >>             >>> *Date:* November 4, 2012 5:01:46 PM MST
> >>             >>> *To:* rongretlarson at comcast.net
> >>             
> >>             <mailto:rongretlarson at comcast.net>
> >>             <mailto:rongretlarson at comcast.net
> >>             <mailto:rongretlarson at comcast.net>>
> >>             
> >>             >>> *Subject:* *Re: [Stoves] Smoke-free biomass pellet
> >>             
> >>             fueled stove*
> >>             
> >>             >>> Dear Mr Larson,
> >>             >>> 
> >>             >>> Thank a lot for your email. The stove is my recent
> >>             
> >>             attempt in order
> >>             
> >>             >>> biomass pellet can be well burnt. Previously, I
> >>             
> >>             developed stove fueled
> >>             
> >>             >>> wit
> >>             >>> palm kernel shell. Even the stove was excellent for
> >>             
> >>             palm kernel shell,
> >>             
> >>             >>> but
> >>             >>> it is not immediately good for biomass pellet. There
> >>             
> >>             are a lot of
> >>             
> >>             >>> things
> >>             >>> that have to be optimized.
> >>             >>> 
> >>             >>> Yes, the excess air can be seen from the appearance
> >>             
> >>             of the flame.
> >>             
> >>             >>> Optimal
> >>             >>> secondary air would produce very transparent,short
> >>             
> >>             flame, though it
> >>             
> >>             >>> must
> >>             >>> not be blue...... Mr Crispin Pemberton Pigott has
> >>             
> >>             witnessed the stove
> >>             
> >>             >>> as I demonstrated it in Yayasan Dian Desa, last October.
> >>             >>> 
> >>             >>> I just started to sell this pellet stoves. At the
> >>             
> >>             moment, I got
> >>             
> >>             >>> purchasing
> >>             >>> order of 1200 stoves. It occurs after the buyer
> >>             
> >>             perform test by
> >>             
> >>             >>> himself.
> >>             >>> However, due to limited capacity of our workshop, the
> >>             
> >>             buyer must wait
> >>             
> >>             >>> up
> >>             >>> to 3 months right now. At the moment, we are
> >>             
> >>             manufacturing 1600
> >>             
> >>             >>> chopped-wood fueled stoves for project in Sumba
> >>             
> >>             Island, Indonesia.
> >>             
> >>             >>> The percentage of charcoal by weight is 20-25%. Some
> >>             
> >>             time it is less.
> >>             
> >>             >>> But
> >>             >>> certainly, our stove burns the smoke very well until
> >>             
> >>             the last smoke
> >>             
> >>             >>> production.
> >>             >>> 
> >>             >>> Biochar is char that contains volatile matter (VM)
> >>             
> >>             less then 3%. When
> >>             
> >>             >>> the
> >>             >>> VM is still high, let say 5%, the reaction of VM and
> >>             
> >>             water can lead the
> >>             
> >>             >>> acidic soil condition, and it is not good for the
> >>             
> >>             plant. We believe
> >>             
> >>             >>> that
> >>             >>> the biochar produced by combustion of our stove is
> >>             
> >>             VM-free, such that
> >>             
> >>             >>> it
> >>             >>> is good for soil conditioner.
> >>             >>> 
> >>             >>> As you might know, my background is a theoretical
> >>             
> >>             atomic and laser
> >>             
> >>             >>> physicist. I do not know some specific terms like
> >>             
> >>             turn-down ratio. I
> >>             
> >>             >>> started to develop stoves in the late 2008.  In
> >>             
> >>             addition, I do not have
> >>             
> >>             >>> laboratory, just small workshop that produces the
> >>             
> >>             stoves. So far, the
> >>             
> >>             >>> performance tests are performed by external
> >>             
> >>             laboratories. In 2010 test
> >>             
> >>             >>> performed by PT Puser Bumi in cooperation with
> >>             
> >>             directory of bioenergy,
> >>             
> >>             >>> republic of Indonesia, our wood chopped stoves was
> >>             
> >>             the best among other
> >>             
> >>             >>> 60
> >>             >>> stoves.
> >>             >>> 
> >>             >>> Kind regards
> >>             >>> M. Nurhuda
> >>             >>> 
> >>             >>> > Prof. Nurhuda
> >>             >>> > This is a really fine looking stove. The part that
> >>             
> >>             intrigues me most
> >>             
> >>             >>> is
> >>             >>> that you are controlling secondary air for the
> >>             
> >>             pyrolysis gases. And
> >>             
> >>             >>> apparently doing it (and primary air) well with the
> >>             
> >>             rotating disc
> >>             
> >>             >>> mechanism. I do not recall seeing any other stove
> >>             
> >>             controlling both
> >>             
> >>             >>> (without a fan) - so any data on the value of that
> >>             
> >>             for users of the
> >>             
> >>             >>> stove
> >>             >>> 
> >>             >>> > could be very helpful to others. (Can they control
> >>             
> >>             excess air by the
> >>             
> >>             >>> look
> >>             >>> 
> >>             >>> > of the flame?)
> >>             >>> > A few questions:
> >>             >>> > the price?
> >>             >>> > sales going well?
> >>             >>> > what percentage char by weight?
> >>             >>> > any soil improvement results from using the biochar?
> >>             >>> > can you do more than a 4:3 turndown ratio? (based
> >>             
> >>             on your two stated
> >>             
> >>             >>> power
> >>             >>> 
> >>             >>> > levels)
> >>             >>> > apparently you are striving for biochar (great!),
> >>             
> >>             but can you
> >>             
> >>             >>> describe
> >>             >>> conditions if you try to burn the produced char?
> >>             >>> 
> >>             >>> > any efficiency data?
> >>             >>> > you appear to be pre-heating both primary and
> >>             
> >>             secondary air - can you
> >>             
> >>             >>> attribute any performance improvement to that? (I
> >>             
> >>             know of no-one else
> >>             
> >>             >>> doing both)
> >>             >>> 
> >>             >>> > Thanks for the alert on your stove.
> >>             >>> > Ron
> >>             >>> > ----- Original Message -----
> >>             >>> > From:mnurhuda at ub.ac.id
> >>             
> >>             <mailto:From%3Amnurhuda at ub.ac.id>
> >>             
> >>             <http://webmail.ub.ac.id/src/compose.php?send_to=mnurhuda%40
> >>             ub.ac.id>
> >>             
> >>             >>> > To:stoves at lists.bioenergylists.org
> >>             
> >>             <mailto:To%3Astoves at lists.bioenergylists.org>
> >>             
> >>             <http://webmail.ub.ac.id/src/compose.php?send_to=stoves%40li
> >>             sts.bioenergylists.org>
> >>             
> >>             >>> > Sent: Saturday, November 3, 2012 5:03:54 PM
> >>             >>> > Subject: [Stoves] Smoke-free biomass pellet fueled
> >>             
> >>             stove
> >>             
> >>             >>> > Dear all,
> >>             >>> > Please check to following page to see the video of
> >>             
> >>             our smoke-free,
> >>             
> >>             >>> biomass-pellet fueled stove:
> >>             >http://www.youtube.com/watch?v=uWt25oD1iWk&feature=youtu.be
> >>             >
> >>             >>> > Kind regards
> >>             >>> > M. Nurhuda
> >>             >>> > _______________________________________________
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> >>             >>> >
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> >>             
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> >>             
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> >>             >
> >>             >>> for more Biomass Cooking Stoves, News and Information
> >>             
> >>             see our web site:
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> >>             >> 
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> >>         http://www.nariphaltan.org
> >>         
> >>         
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