Dear All,
In biomass gasification a. 1TPH down draft gasifier 1500kg /hr air flow is needed for 1ton of wood is gasified. So gas produced for 2500 kg /hr. Air blower pressure is 300mm water column. Air blower CFM is 1000. Practically, for some people using b. The same 1TPH down draft gasifier using air blower pressure is 600 to 1000 mm water column. Air blower CFM is 2000. Whether a / b is correct? Or not Explain. A. Saravanakumar On Sat, 27 Aug 2011 00:32:22 +0530 wrote >Send Gasification mailing list submissions to [email protected] To subscribe or unsubscribe via the World Wide Web, visit http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org or, via email, send a message with subject or body 'help' to [email protected] You can reach the person managing the list at [email protected] When replying, please edit your Subject line so it is more specific than "Re: Contents of Gasification digest..." Today's Topics: 1. Charcoal Reduction Mill (Jeff Davis) 2. Re: Charcoal Reduction Mill (Pannirselvam P.V) 3. Re: Charcoal Reduction Mill (Mark E. Ludlow) ---------------------------------------------------------------------- Message: 1 Date: Thu, 25 Aug 2011 23:55:53 -0400 From: Jeff Davis To: Gasification List Subject: [Gasification] Charcoal Reduction Mill Message-ID: Content-Type: text/plain; charset="UTF-8" Dear List, What would be the best style of mill to reduce weed and soft wood charcoal (mostly weed). This would be for charcoal Fireball production. All advice will be appreciated. Reduction might be 2 mm to dust. Enough dust to fill in the larger 2 mm particles. Might be possible to have some particles larger than 2 mm. Production is difficult for me to pin down but lets say 400 lbs/hr (180 kg/hr). More is better but less would be OK for now. The more I think about it a lot less would work for now. Would a farm hammer mill with cyclone bagger be a formula for a dust storm? Clueless, Jeff ------------------------------ Message: 2 Date: Fri, 26 Aug 2011 01:10:33 -0300 From: "Pannirselvam P.V" To: Discussion of biomass pyrolysis and gasification Subject: Re: [Gasification] Charcoal Reduction Mill Message-ID: Content-Type: text/plain; charset="windows-1252" Helo Jeff Ball mill can solve the problems On Fri, Aug 26, 2011 at 12:55 AM, Jeff Davis wrote: > Dear List, > > > What would be the best style of mill to reduce weed and soft wood > charcoal (mostly weed). This would be for charcoal Fireball production. > All advice will be appreciated. > > Reduction might be 2 mm to dust. Enough dust to fill in the larger 2 mm > particles. Might be possible to have some particles larger than 2 mm. > > Production is difficult for me to pin down but lets say 400 lbs/hr (180 > kg/hr). More is better but less would be OK for now. The more I think > about it a lot less would work for now. > > Would a farm hammer mill with cyclone bagger be a formula for a dust > storm? > > > > Clueless, > > > Jeff > > > _______________________________________________ > Gasification 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/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > -- ************************************************ P.V.PANNIRSELVAM ASSOCIATE . PROF. Research Group ,GPEC, Coordinator Computer aided Cost engineering DEQ ? Departamento de Engenharia Qu?mica CT ? Centro de Tecnologia / UFRN, Lagoa Nova ? Natal/RN Campus Universit?rio. CEP: 59.072-970 North East,Brazil ******************************************* https://sites.google.com/a/biomassa.eq.ufrn.br/sites/ and http://ecosyseng.wetpaint.com/ Fone ;Office 84 3215-3769 , Ramal 210 Home :84 3217-1557 Mobile :558488145083 Email: [email protected] [email protected] [email protected] [email protected] -------------- next part -------------- An HTML attachment was scrubbed... URL: ------------------------------ Message: 3 Date: Thu, 25 Aug 2011 21:14:31 -0700 From: "Mark E. Ludlow" To: "'Discussion of biomass pyrolysis and gasification'" Subject: Re: [Gasification] Charcoal Reduction Mill Message-ID: Content-Type: text/plain;charset="us-ascii" Hi Jeff, A small hammer mill would be fine, but you need to run it under negative pressure to keep from making a mess. Start at the back end with a small blower good for 12" suction. Then a fake baghouse (three old Shopvacs in parallel would be fine.) Then, a tall skinny, cyclone (high-efficiency) with a downleg terminated with a couple butterfly valves operating 90deg out of phase as an airlock. This dumps into your collection bag/drum. Of course, any kind of feed auger makes things more fun. Get a fine screen for the mill and don't push things to prevent a conflagration which would ruin anyone's day. The cyclone is about 99% efficient by weight, so it takes the load off your "baghouse". An even simpler solution is a homebrew ball or rod mill. Mark -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Jeff Davis Sent: Thursday, August 25, 2011 8:56 PM To: Gasification List Subject: [Gasification] Charcoal Reduction Mill Dear List, What would be the best style of mill to reduce weed and soft wood charcoal (mostly weed). This would be for charcoal Fireball production. All advice will be appreciated. Reduction might be 2 mm to dust. Enough dust to fill in the larger 2 mm particles. Might be possible to have some particles larger than 2 mm. Production is difficult for me to pin down but lets say 400 lbs/hr (180 kg/hr). More is better but less would be OK for now. The more I think about it a lot less would work for now. Would a farm hammer mill with cyclone bagger be a formula for a dust storm? Clueless, Jeff _______________________________________________ Gasification 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/gasification_lists.bioenerg ylists.org for more Gasifiers, News and Information see our web site: http://gasifiers.bioenergylists.org/ ------------------------------ _______________________________________________ Gasification 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/gasification_lists.bioenergylists.org for more Gasifiers, News and Information see our web site: http://gasifiers.bioenergylists.org/ End of Gasification Digest, Vol 12, Issue 17 ********************************************
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