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

Paul Olivier paul.olivier at esrla.com
Thu Mar 8 19:10:41 CST 2012


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/
>>
>> _______________________________________________
>> Stoves mailing list
>>
>> to Send a Message to the list, use the email address
>> stoves at lists.bioenergylists.org
>>
>> to UNSUBSCRIBE or Change your List Settings use the web page
>>
>> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>
>> for more Biomass Cooking Stoves,  News and Information see our web site:
>> http://www.bioenergylists.org/
>>
>>
>> _______________________________________________
>> Stoves mailing list
>>
>> to Send a Message to the list, use the email address
>> stoves at lists.bioenergylists.org
>>
>> to UNSUBSCRIBE or Change your List Settings use the web page
>>
>> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
>>
>> for more Biomass Cooking Stoves,  News and Information see our web site:
>> http://www.bioenergylists.org/
>>
>>
>>
>
>
> --
> 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/
>



-- 
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/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.bioenergylists.org/pipermail/stoves_lists.bioenergylists.org/attachments/20120309/a4a4168e/attachment.html>


More information about the Stoves mailing list