[Stoves] GLASS for stoves .

Michael N Trevor mntrevor at gmail.com
Tue Dec 26 20:14:44 CST 2017


If you use the char your self or can sell for money it is not a joke.

On Wed, Dec 27, 2017 at 1:48 PM, lh cheng <lhkind at gmail.com> wrote:

> as for the "making char with cooking stove is a joke",“the difficulty of
> char making of cook stove is for economic reason”,it is not about TLUD
> specially, it include all type of cook stove, not about energy physical or
> chemical, it is about "Transaction Costs", it require social capital, a
> valuable network. This network and infrastructure is so valuable that
> diamonds can't compare with it. but, if we have diamonds, why we play with
> char?
>
>
> 2017-12-27 9:22 GMT+08:00 lh cheng <lhkind at gmail.com>:
>
>> thank you Todd for your explanation. cooking in China is a long time
>> task, very long, if we say half of a day, it won't be too exaggerating.
>> Safety is so important in stove design. and kids like to play with mom
>> around stove. Chinese like stove to be heavy, immovable/stable, no gas
>> emission into house.and no surprising situation, safe all the time for all
>> kinds of fuel.
>>
>> 2017-12-26 22:32 GMT+08:00 Todd Albi <todd.r.albi at gmail.com>:
>>
>>> Il Cheng:
>>>
>>> Cooking is generally a short duration activity, so we use Pyroceram
>>> (heat resistant glass), in only our stoves that cook and*  heat*.
>>> Pyroceram is registered to Corning from 1950 and adds considerable cost to
>>> stove design.  Lots of Chinese TLUDs and biomass boilers use glass to see
>>> fire.  I have seen interesting designs with pipes inserted into stove with
>>> viewing port on the exterior of the stove, in addition to fuel feed doors.
>>> These designs are used where the heat is offset to avoid cost of more
>>> expensive treated glass.  I have a Griswold #160-B Bolo oven from 1920 that
>>> you set on top of small household stoves, fire pit grills, or older wood
>>> cookstoves to bake. Interestingly, the hinges on the oven door have round
>>> site glasses to view fire, at the base of each oven hinge.  So lots of
>>> interesting ways have been used to add glass to stoves, but not important
>>> for short duration cooking in our opinion.
>>>
>>>
>>> ​Regards, Todd Albi, SilverFire
>>>>>>
>>> On Tue, Dec 26, 2017 at 12:23 AM, lh cheng <lhkind at gmail.com> wrote:
>>>
>>>> Thank you Todd,
>>>> The cases you mentioned is good, outdoor use, when indoor,then long
>>>> chimney directing exhaust gas to outside of house. That's nice.
>>>> Glass should be included in the stove, that would be even better, no
>>>> black box burning.
>>>>
>>>> 2017-12-26 10:45 GMT+08:00 Todd Albi <todd.r.albi at gmail.com>:
>>>>
>>>>> Dear Ih Cheng:
>>>>>
>>>>> There are large numbers of TLUDs available with chimneys that work
>>>>> great indoors (if venting emissions out doors).  I just returned from
>>>>> Puerto Rico's Southeast coast distributing donated SilverFire Hunter stoves
>>>>> (chimney TLUD), that numerous cooks that loss homes and belongings to
>>>>> Hurricane Maria (*winds to 282 KMH*).  These folks were delighted due
>>>>> to lack of smoke.  The only other option was to spend $300 USD per month
>>>>> for gas that they did not have.  Free biomass was available everywhere
>>>>> after Irma, Jose, & Maria.  Stove burning in all photos below.  In addition
>>>>> to loosing roofs & belongings, 2 meters of seawater ran through both bottom
>>>>> properties.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ​Regards,  Todd Albi SilverFire
>>>>>
>>>>> On Sun, Dec 24, 2017 at 6:29 PM, lh cheng <lhkind at gmail.com> wrote:
>>>>>
>>>>>> TLUD stove is useless inside house, every housewife should avoid it
>>>>>> like avoid a bomb, and making char with cooking stove is a joke. It will
>>>>>> never spread.
>>>>>> maybe I will explain it later. It is very clear to me.
>>>>>>
>>>>>> Happy holiday every dear stover
>>>>>>
>>>>>> 2017-12-25 10:11 GMT+08:00 lh cheng <lhkind at gmail.com>:
>>>>>>
>>>>>>> Dear Crispin,
>>>>>>> that is a minor problem, I know the answer. thank you for your
>>>>>>> introduction about Franklin stove, I am a little surprised by this man, and
>>>>>>> curious about this stove.
>>>>>>>
>>>>>>> 2017-12-25 10:03 GMT+08:00 Crispin Pemberton-Pigott <
>>>>>>> crispinpigott at outlook.com>:
>>>>>>>
>>>>>>>> Dear LH
>>>>>>>>
>>>>>>>> That is the theory, but like aluminum, if the processing involves a
>>>>>>>> huge amount of energy, ‎you are buying energy with a little glass thrown
>>>>>>>> in.
>>>>>>>>
>>>>>>>> Even expensive material is really the cost of the energy needed to
>>>>>>>> get it. Unless there is a patent. Good cancer medicine is $350 per pill.
>>>>>>>> One per day for five year$.
>>>>>>>>
>>>>>>>> Regards
>>>>>>>> Crispin
>>>>>>>> *From: *lh cheng
>>>>>>>> *Sent: *Sunday, December 24, 2017 20:40
>>>>>>>> *To: *Discussion of biomass cooking stoves
>>>>>>>> *Reply To: *Discussion of biomass cooking stoves
>>>>>>>> *Subject: *Re: [Stoves] GLASS for stoves .
>>>>>>>>
>>>>>>>> the free material won't change the downside price trend if widely
>>>>>>>> used. on the contrary, it speed up that trend. because widely using make
>>>>>>>> price nearer to marginal cost, which is near zero, when the material is
>>>>>>>> free. Every HI-Tech product have the same trend, like CPU, cell phone,
>>>>>>>> mainly made from sand. Because the number of users diluted the initial R&D
>>>>>>>> and equipment investment, which is the main cost.
>>>>>>>>
>>>>>>>> 2017-12-24 18:02 GMT+08:00 Andrew Heggie <aj.heggie at gmail.com>:
>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 24 December 2017 at 01:51, Crispin Pemberton-Pigott <
>>>>>>>>> crispinpigott at outlook.com> wrote:
>>>>>>>>>
>>>>>>>>>> I
>>>>>>>>>> Shoes in North America and Europe often have a large glass front
>>>>>>>>>> window because fires are social. 'firelight' and all that.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Yes that's my feeling too
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> In Africa people are nervous and uncomfortable if they have a
>>>>>>>>>> stove without a visible fire. In Namibia we had to ensure the cooking stove
>>>>>>>>>> had a visible fire or the San people wouldn't use it.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> They won't be keen on electric cooking then?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> The cost of the glass is in the preparation and production. The
>>>>>>>>>> materials are nearly free so I think the cost will remain high. Unless
>>>>>>>>>> there is a miracle formulation.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I'd guess this is so, normal glass is  just silica sand and a bit
>>>>>>>>> of lime to decrease the fusion temperature.
>>>>>>>>>
>>>>>>>>> Borosilicate glass, Pyrex brand here in UK , has a much higher
>>>>>>>>> melting point so more expensive, also lower coefficient of expansion, so
>>>>>>>>> shock heating or cooling don't build up internal stress.
>>>>>>>>>
>>>>>>>>> I don't know what ceramic glass is nor why ordinary glass is not
>>>>>>>>> considered a ceramic.
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
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>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>
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>>>>>
>>>>>
>>>>
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