[Stoves] the 150 gasifier in operation in Vietnam (Matt Redmond)

[Andrew C. Parker]

Keep in mind the environment you will be using the ceramics in.  Will it  
survive liquid being spilled on it?  For a heating stove there shouldn't  
be a problem.


On Thu, 08 Mar 2012 18:10:41 -0700, Paul Olivier <paul.olivier at esrla.com>  
wrote:

> Ron,
>
> I think that this is what I need:
> http://www.hceramic.com/products/Liquefied_gas_stove_slice/
> You found it.
> Thanks.
>
> Paul
>
> On Fri, Mar 9, 2012 at 7:42 AM, Paul Olivier <paul.olivier at esrla.com>  
> wrote:
>
>> Very good, Ron.
>>
>> Paul
>>
>>
>> On Fri, Mar 9, 2012 at 7:21 AM, <rongretlarson at comcast.net> wrote:
>>
>>> Paul, Matt, list:
>>>
>>>    I like your (earlier) idea of a ceramic "strainer".   You might want
>>> to start by doing more googling on the topic of "ceramic foam" - which
>>> seems to be a relatively new sub-discipline of the ceramic industry.   
>>> The
>>> "foam" companies seem to be able to produce a material which can serve  
>>> as a
>>> strainer (open cell structure, not closed) - which will allow the hot  
>>> gases
>>> to flow through the foam.
>>>
>>>   Here is one example of a group explaining this sort of work:
>>>          http://www.madehow.com/Volume-5/Ceramic-Filter.html#b
>>>
>>>    There are plenty of companies doing this "foam" work - to be found  
>>> via
>>> googling.
>>>
>>>   Following Matt's suggestions below,  there may be a place also for
>>> "rock wool" - vs glass fiber (to get higher temp capability.
>>>
>>> If you use metal (as below),  I think a thin ceramic coating might help
>>> on longevity, if the coating is thin enough.  Will be hard to match
>>> coefficients of thermal expansion, but may be possible .
>>>
>>> Ron
>>>
>>> ------------------------------
>>> *From: *"Paul Olivier" <paul.olivier at esrla.com>
>>> *To: *mredmond3 at gatech.edu
>>> *Cc: *"Discussion of biomass cooking stoves" <
>>> stoves at lists.bioenergylists.org>
>>> *Sent: *Thursday, March 8, 2012 4:54:46 PM
>>> *Subject: *Re: [Stoves] the 150 gasifier in operation in Vietnam (Matt
>>> Redmond)
>>>
>>>
>>> Matt,
>>>
>>> One way to solve the problem of what material to use in a wire mesh  
>>> dome
>>>  is to view the wire mesh as a disposable item that might last but a  
>>> few
>>> months.
>>> I found an easy way to insert a 304 stainless steel wire mesh disk (30
>>> mesh) into a rigid receiving structure that is dome-shaped.
>>> When a flat wire mesh disk is pushed into the shape of a dome, it  
>>> exerts
>>> a lot of pressure against the receiving structure.
>>> Nothing has to be welded.
>>> When it wears out, it is pulled out, and another disk is put in its  
>>> place.
>>>
>>> Thanks.
>>> Paul
>>>
>>> On Wed, Mar 7, 2012 at 7:44 PM, Matthew Redmond  
>>> <mredmond3 at gatech.edu>wrote:
>>>
>>>> Ron, List,
>>>>
>>>> Interesting find. You reported that the silicon carbide meshes for
>>>> drywall sanding are really just paper meshes coated with silicon  
>>>> carbide.
>>>>
>>>> I was trying to think of other materials that can handle high
>>>> temperatures and ceramics came to mind. Ceramics are often used in  
>>>> metal
>>>> casting processes. Aluminum Oxide, or even some sorts of fiberglass  
>>>> have
>>>> high working temperatures.  Ceramics generally have higher emissivity  
>>>> than
>>>> metals (~ 0.7 I think).
>>>>
>>>> It looks like fiberglass meshes are often used to filter molten  
>>>> aluminum
>>>> and iron for casting operations.  Perhaps something like this would  
>>>> have
>>>> longer lifetimes? Again, cost may become a big issue, but here are 2  
>>>> that I
>>>> found:
>>>>
>>>> http://www.ecplaza.net/trade-leads-seller/fiberglass-mesh-for-aluminium-filtration--6816138.html
>>>> http://www.king-in-china.com/productview.asp?id=954
>>>>
>>>> Just throwing a few more ideas out there.
>>>>
>>>> -Matt Redmond
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Paul A. Olivier PhD
>>> 27C Pham Hong Thai Street
>>> Dalat
>>> Vietnam
>>>
>>> Louisiana telephone: 1-337-447-4124 (rings Vietnam)
>>> Mobile: 090-694-1573 (in Vietnam)
>>> Skype address: Xpolivier
>>> http://www.esrla.com/
>>>
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>>>
>>
>>
>> --
>> Paul A. Olivier PhD
>> 27C Pham Hong Thai Street
>> Dalat
>> Vietnam
>>
>> Louisiana telephone: 1-337-447-4124 (rings Vietnam)
>> Mobile: 090-694-1573 (in Vietnam)
>> Skype address: Xpolivier
>> http://www.esrla.com/
>>
>
>
>


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