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 <[email protected]> wrote: > Very good, Ron. > > Paul > > > On Fri, Mar 9, 2012 at 7:21 AM, <[email protected]> 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" <[email protected]> >> *To: *[email protected] >> *Cc: *"Discussion of biomass cooking stoves" < >> [email protected]> >> *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 <[email protected]>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 >> [email protected] >> >> 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 >> [email protected] >> >> 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/
_______________________________________________ Stoves mailing list to Send a Message to the list, use the email address [email protected] 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/
