[Stoves] FW: Need designs

Kevin C kchisholm at ca.inter.net
Sun Sep 16 15:53:53 PDT 2012


Dear Ron

Quoting rongretlarson at comcast.net:

> Kevin:
>
> I think we all know what Aron meant in asking about a biochar stove.  
> His first message, responded to by Erin, was very clear. You are  
> creating considerable confusion with two comments I respond to below.

# With all due respect, I believe it is your position that charcoal  
should not be used as fuel, but rather, it should all be used as  
biochar. It is not at all clear that Aron wishes to design a stove for  
the production of charcoal, or, if he wishes to use charcoal as a  
fuel. Referring to his posting to Erin, from below:
">>> I am desgining a biochar and i need plans from where to start.
>>> Can you please email me plans for Anila And Anderson TLUD biochar
>>> stove, please Look forward to hearing from you soon.
>>> kind regards
He does not say what he wishes to design, only that he would like to  
receive plans for a TLUD, so that he has some place to start. However,  
he does say in another message that his design is similar to a rocket  
stove, that clearly is intended to burn burn a fuel, with no charcoal  
production.

# Aron: Could you please clarify if you wish to design an improved  
stove system for producing residual charcoal, for use as biochar, OR,  
if you wish to design an improved stove system to use charcoal as fuel.

# Thanks!

Kevin



> ----- Original Message -----
> From: "Kevin C" <kchisholm at ca.inter.net>
> To: "Discussion of biomass cooking stoves" <stoves at lists.bioenergylists.org>
> Sent: Sunday, September 16, 2012 2:16:59 AM
> Subject: Re: [Stoves] FW: Need designs
>
> Dear Ron
>
> Quoting rongretlarson at comcast.net:
>
>> Aron:
>>
>> Can you clarify your intended design? I know of no way that you can
>> turn a rocket stove into a char-making stove (but would love to hear
>> differently).
>
> # A "char making stove" is only relevant in a case where the person
> wants a cooking/heating function, and ending up with a charcoal
> residue is acceptable or desirable. In many cases, the production of
> residual charcoal is undesirable.
>
> # There is a lot of confusion with the term "biochar stove."
> 1: It is not possible to have a "biochar stove." One can certainly
> have a stove that produces "charcoal", but charcoal only becomes
> "biochar" when it is used in an agricultural application . A TLUD stove
> is not a "biochar stove"... it is a stove that produces charcoal that
> may or may not end up being used as biochar.
> 2: In that we have a "wood stove", a "kerosene stove", a "charcoal
> stove", etc, the term "biochar stove" could simply be a stove that is
> fueled with char, charcoal, biochar , etc.
> [RWL: You (correctly) denied this sentence 's validity with your  
> above ( now-underlined, italicized and bolded ) phrase. Fueling a  
> stove with biochar is not an "agricultural application". .
>
> # Is Aron perhaps designing a stove that is fueled with charcoal?
> [RWL: Obviously not - see his first message (below) to the list. I  
> wish that whole topic could disappear from this list - as it is  
> usually so wasteful of biomass. Ron]
>
> Kevin
>
>>
>> Ron .
>>
>> ----- Original Message -----
>> From: "Aron Tjihumino "
>> To: "Discussion of biomass cooking stoves" <stoves at lists.bioenergylists.org>
>> Sent: Thursday, September 13, 2012 11:48:07 AM
>> Subject: [Stoves] FW: Need designs
>>
>>
>> Can you help me on how to analyse heat tranfer through a cone... Im
>> designing a Biochar stove with coencentric cylinders. In essence its a
>> rocket stove. I want to make the inner cylinder conic so that i can retain
>> more heat in the stove....
>> The books i have read dont show me how to analyse conduction and convection
>> in a cone...
>> Will need a reply as soon as possible, if your able to help.
>> Thank you in advance...
>>
>>
>> On 8/10/12, Erin Rasmussen <erin at trmiles.com> wrote:
>>> Hi Aron,
>>>
>>> We have the TLUD Handbook is on our web site here:
>>> http://stoves.bioenergylists.org/tludhandbookdraft-1
>>>
>>> a shorter link directly to the handbook pdf file is
>>> http://bit.ly/NhrZWX
>>>
>>> Plans for the Anila stove are here:
>>> http://stoves.bioenergylists.org/anila
>>>
>>> I hope that helps, let me know if I can be of any assitance.
>>>
>>> Kind regards,
>>> Erin Rasmussen
>>>
>>> TR Miles Technical Consultants Inc. http://www.trmiles.com/
>>> and BioEnergy Discussion Lists http://www.bioenergylists.org/
>>> erin at trmiles.com
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Aron Tjihumino [mailto:atjihumino at gmail.com]
>>> Sent: Wednesday, August 01, 2012 9:59 AM
>>> To: Erin at trmiles.com
>>> Subject: Need designs
>>>
>>> Afternoon...
>>> I'm Aron Tjihumino, a final year Bachelor of Engineering: Mechanical
>>> Engineering Student at the Polytechnic of Namibia, Namibia
>>>
>>> I am desgining a biochar and i need plans from where to start.
>>> Can you please email me plans for Anila And Anderson TLUD biochar
>>> stove, please Look forward to hearing from you soon.
>>> kind regards
>>>
>>> Aron Tjihumino
>>>
>>>
>>>
>>
>>
>>
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>>
>
>
>
>
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