Kevin, I do not think that normal mild steel wire mesh would make it through a single gasifier run. I'm afraid that it has to be something "exotic". This wire mesh really gets hot. Someone measured the temperature about 4 inches above the dome. When the probe reached 500 C, he stopped.
Thanks. Paul On Tue, Mar 6, 2012 at 11:39 AM, Kevin <[email protected]> wrote: > ** > Dear Paul > > Why not start with simple mild steel screen, of various sizes, and test > them to see how long they last? > > Exotic materials will probably last longer, but at a very much higher > cost. > > Once you have cost and "lifetime" information, then you can make the best > decision about what materials to use. > > Best wishes, > > Kevin > > ----- Original Message ----- > *From:* Paul Olivier <[email protected]> > *To:* Discussion of biomass cooking stoves<[email protected]> > *Sent:* Tuesday, March 06, 2012 12:12 AM > *Subject:* Re: [Stoves] the 150 gasifier in operation in Vietnam > > 446 stainless can handle temperatures as high as 1,200 C. > Silicon carbide is quite cheap, and it can handle temperatures as high as > 1,650 C. > http://accuratus.com/silicar.html > > Thanks. > Paul > > On Tue, Mar 6, 2012 at 11:02 AM, Anand Karve <[email protected]> wrote: > >> Dear Paul, >> I have not worked with that grade of stainless steel and also not worked >> with silicon carbide mesh. >> Yours >> A.D.Karve >> >> On Tue, Mar 6, 2012 at 11:58 AM, Paul Olivier <[email protected]>wrote: >> >>> A.D., >>> >>> I am looking for a 446 stainless steel wire mesh. >>> Have you ever worked with silicon carbide mesh? >>> It is used as an emitter in thermophotovoltaics. >>> >>> Paul >>> >>> On Tue, Mar 6, 2012 at 10:54 AM, Anand Karve <[email protected]> wrote: >>> >>>> Dear Paul, >>>> even stainless steel is no good. At high temperature, it corrodes and >>>> crumbles into pieces. >>>> Yours >>>> A.D.Karve >>>> >>>> On Mon, Mar 5, 2012 at 4:03 PM, Steve Taylor < >>>> [email protected]> wrote: >>>> >>>>> >>>>> >>>>> On 5 March 2012 02:56, Paul Olivier <[email protected]> wrote: >>>>> >>>>>> >>>>>> I know that a tungsten wire mesh exists. >>>>>> But no doubt this would be too expensive. >>>>>> >>>>>> >>>>> Tungsten will oxidise to nothing very quickly. Probably Incoloy would >>>>> be ideal >>>>> >>>>> Steve >>>>> >>>>> _______________________________________________ >>>>> 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/ >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> *** >>>> Dr. A.D. Karve >>>> Trustee & Founder President, Appropriate Rural Technology Institute >>>> (ARTI) >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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/ >>> >>> _______________________________________________ >>> 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/ >>> >>> >>> >> >> >> -- >> *** >> Dr. A.D. Karve >> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI) >> >> >> >> _______________________________________________ >> 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/ > > ------------------------------ > > _______________________________________________ > 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/ > > ------------------------------ > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.1913 / Virus Database: 2114/4852 - Release Date: 03/05/12 > > > _______________________________________________ > 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/
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