[Stoves] GLASS for stoves .

Tue Dec 26 08:32:06 CST 2017

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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