[Gasification] Looking for contact info for Jeff Davis
Lori Heath
rootconnection at gmail.com
Fri Jul 19 07:22:37 CDT 2013
Thanks so much for this Kevin...very helpful! :-)
Lori
On Fri, Jul 19, 2013 at 1:08 AM, Kevin <kchisholm at ca.inter.net> wrote:
> Dear Lori and Ray
>
> Whoops! I replied too quickly... I was looking more at the end use of the
> char, rather than the suitability of chips for char making.
>
> Ray is correct... chips are very different from stickwood for char making.
> I was wrong in suggesting that the Gilmore Char maker would be good for
> charring chips without modification.
>
> The problem is that there is a very high pressure drop through chips,
> compared to stickwood. With chips:
> 1: The chips would have to be dried first
> and
> 2: A forced draft system would be required.
>
> Firstly, Lori would need a system for drying the chips. Secondly, the
> basic Gilmore char maker would have to be modified to convert it to a
> "forced draft char maker." This could be accomplished with a circle of
> screen, 1/4 to 3/8" square openings, mounted 4" to 6" above the bottom of
> the barrel. An external fan would be connected to the underside of the
> screen, blowing into the space above the barrel end. The remainder of the
> Gilmore Char maker would be the same. At the end of the burn, the fan would
> be disconnected, and a pipe cap would be screwed on at the air inlet
> connection, to prevent air ingress.
>
> Sorry about responding too quickly. :-(
>
> Best wishes,
>
> Kevin
> ----- Original Message ----- From: "Ray Menke" <ray.menke at gmail.com>
>
> To: "Discussion of biomass pyrolysis and gasification" <
> gasification at lists.**bioenergylists.org<gasification at lists.bioenergylists.org>
> >
> Sent: Thursday, July 18, 2013 5:02 PM
>
> Subject: Re: [Gasification] Looking for contact info for Jeff Davis
>
>
> Lori, I looked at your answers to Kevin's questions. I am assuming
>> that wood CHIPS are your intended source for making biochar. I had
>> six dump truck loads of chips delivered to my composting area, and
>> immediately mixed them with cow manure, grass clippings, chicken and
>> duck manure, etc, and started two giant compost piles. The green
>> chips as delivered by the road crews will not be usable in gasifiers
>> or biochar retorts until they are bone dry, and even then, I never was
>> able to add more than a couple of 5 gallon plastic buckets of them to
>> the retort to fill in some of the gaps. After several years, when you
>> screen the compost, there will be some chips and shards of wood that,
>> after they are dried, can be added to your retort. Due to years of
>> drought, we have lots of dead trees that have been falling down or
>> have been blown over. I use those for the charcoal making process,
>> and can include heavy duty stalks from other plants such as rattlebox,
>> corn, okra, and lambsquarters, and even the stalks from thistles. Any
>> wood you place in a TLUD device, whether it be a cookstove or a 55
>> gallon retort must be really dry. (No green wood!) I sometimes use
>> knots, "Y's" or other non-splittable wood in the retort, but it
>> usually needs to be run through twice. It is possible to place
>> another retort in the afterburner (or chimney) so it can utilize the
>> heat from the lower retort. Once you start the retort, and if you see
>> flames shooting out of the top barrel, you might get away with adding
>> a shovel or two of chips, but too many and you will have a real smoke
>> maker. I try to make no smoke..
>> You will need to make some drying racks. I use several large screens
>> up on saw horses. The fuel must be dry.
>>
>> On Thu, Jul 18, 2013 at 2:32 PM, Lori Heath <rootconnection at gmail.com>
>> wrote:
>>
>>> Thank you Ray!
>>>
>>> Lori
>>>
>>>
>>> On Thu, Jul 18, 2013 at 4:51 PM, Ray Menke <ray.menke at gmail.com> wrote:
>>>
>>>>
>>>> Lori,
>>>> Here is a link to a 36 page paper discussing biochars.
>>>>
>>>> <http://www.biochar-**international.org/sites/**
>>>> default/files/All-Biochars--**Version2--Oct2009.pdf<http://www.biochar-international.org/sites/default/files/All-Biochars--Version2--Oct2009.pdf>
>>>> >
>>>> In my own personal garden, the use of biochar mixed into my compost
>>>> has greatly increased the yield of onions, peppers, and potatoes, but
>>>> seems to have stunted my okra and blackberries. (The grass around the
>>>> biochar making area is extremely lush, and my cows love it..) I know
>>>> blackberries like a pH around 5.5, and the ash that I added to the
>>>> compost raised that pH. Ray
>>>>
>>>> On Thu, Jul 18, 2013 at 2:03 PM, Lori Heath <rootconnection at gmail.com>
>>>> wrote:
>>>> > Thanks for posting this, Erin. Do you know if the biochar produced by
>>>> > this
>>>> > method is suitable for biochar?
>>>> >
>>>> > Lori
>>>> >
>>>> >
>>>> > On Thu, Jul 18, 2013 at 4:01 PM, Erin Rasmussen <erin at trmiles.com>
>>>> > wrote:
>>>> >>
>>>> >> Hi All,
>>>> >>
>>>> >>
>>>> >>
>>>> >> I've assembled the Gary Gilmore's Charcoal making instructions from
>>>> >> Jeff
>>>> >> along with Mr. Gilmore's youtube videos and posted them on the >>
>>>> biochar
>>>> >> site
>>>> >> for anyone that's interested.
>>>> >>
>>>> >>
>>>> >>
>>>> >> The Gary Gilmore Charcoal Drum
>>>> >>
>>>> >> http://www.biochar.**bioenergylists.org/Gilmore-**Charcoal-Drum<http://www.biochar.bioenergylists.org/Gilmore-Charcoal-Drum>
>>>> >>
>>>> >>
>>>> >>
>>>> >> He does a great job of describing a top lit updraft charcoal making
>>>> >> technique using a couple of steel drums and controlling airflow by
>>>> >> selectively piling dirt up to block off the air holes.
>>>> >>
>>>> >>
>>>> >>
>>>> >> Kind regards,
>>>> >>
>>>> >>
>>>> >>
>>>> >> Erin Rasmussen
>>>> >>
>>>> >>
>>>> >>
>>>> >> TR Miles Technical Consultants Inc. http://www.trmiles.com/
>>>> >>
>>>> >> and BioEnergy Discussion Lists http://www.bioenergylists.org/
>>>> >>
>>>> >> erin at trmiles.com
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >> From: Gasification
>>>> >> [mailto:gasification-bounces@**lists.bioenergylists.org<gasification-bounces at lists.bioenergylists.org>
>>>> ]
>>>> >> On Behalf Of Jeffrey Davis
>>>> >> Sent: Thursday, July 18, 2013 10:43 AM
>>>> >>
>>>> >>
>>>> >> To: Discussion of biomass pyrolysis and gasification
>>>> >> Subject: Re: [Gasification] Looking for contact info for Jeff Davis
>>>> >>
>>>> >>
>>>> >>
>>>> >> I think you wanted Gary's document that has been sent to you but >>
>>>> maybe
>>>> >> your thinking of the gasifier that produced charcoal.
>>>> >>
>>>> >> I have no idea if any of these designs will produce biochar but they
>>>> >> will
>>>> >> produce charcoal.
>>>> >>
>>>> >>
>>>> >> Jeff
>>>> >>
>>>> >> ______________________________**__
>>>> >>
>>>> >> From: "Lori Heath" <rootconnection at gmail.com>
>>>> >> To: "Discussion of biomass pyrolysis and gasification"
>>>> >> <gasification at lists.**bioenergylists.org<gasification at lists.bioenergylists.org>
>>>> >
>>>> >> Sent: Thursday, July 18, 2013 1:33:47 PM
>>>> >> Subject: Re: [Gasification] Looking for contact info for Jeff Davis
>>>> >>
>>>> >> Hello there Jeff,
>>>> >>
>>>> >> Thanks for your reply...Could you tell me if the design that you had
>>>> >> for a
>>>> >> biochar retort at your puffergas site is available elsewhere online?
>>>> >>
>>>> >> All the best,
>>>> >> Lori Heath
>>>> >>
>>>> >>
>>>> >>
>>>> >> On Thu, Jul 18, 2013 at 2:59 PM, Jeffrey Davis <jeff0124 at hughes.net>
>>>> >> wrote:
>>>> >>
>>>> >> Copy sent to Lori.
>>>> >>
>>>> >> Jeff
>>>> >>
>>>> >> ______________________________**__
>>>> >>
>>>> >> From: "Tom Miles" <tmiles at trmiles.com>
>>>> >> To: "Discussion of biomass pyrolysis and gasification"
>>>> >> <gasification at lists.**bioenergylists.org<gasification at lists.bioenergylists.org>
>>>> >
>>>> >> Sent: Thursday, July 18, 2013 10:46:44 AM
>>>> >> Subject: Re: [Gasification] Looking for contact info for Jeff Davis
>>>> >>
>>>> >>
>>>> >>
>>>> >> Lori,
>>>> >>
>>>> >>
>>>> >>
>>>> >> Jeff Davis closed his puffergas website and we transferred much of
>>>> >> his
>>>> >> information to the bioenergylists website. We’ll check to see if we
>>>> >> have
>>>> >> that file online.
>>>> >>
>>>> >>
>>>> >>
>>>> >> Thnks
>>>> >>
>>>> >>
>>>> >>
>>>> >> Tom Miles
>>>> >>
>>>> >> Owner
>>>> >>
>>>> >> Bioenergylists.org
>>>> >>
>>>> >> tmiles at trmiles.com
>>>> >>
>>>> >> www.gasifiers.bioenergylists.**org<http://www.gasifiers.bioenergylists.org>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >> From: Gasification
>>>> >> [mailto:gasification-bounces@**lists.bioenergylists.org<gasification-bounces at lists.bioenergylists.org>
>>>> ]
>>>> >> On Behalf Of Lori Heath
>>>> >> Sent: Thursday, July 18, 2013 5:56 AM
>>>> >> To: gasification at lists.**bioenergylists.org<gasification at lists.bioenergylists.org>
>>>> >> Subject: [Gasification] Looking for contact info for Jeff Davis
>>>> >>
>>>> >>
>>>> >>
>>>> >> Hello,
>>>> >>
>>>> >> I am looking for the biochar retort design that used to be featured
>>>> >> at
>>>> >> the
>>>> >> following website address...
>>>> >>
>>>> >> http://www.puffergas.com/**historic/rules/rules.html<http://www.puffergas.com/historic/rules/rules.html>
>>>> >>
>>>> >> However, now when I click on this address, it redirects to Jeff >>
>>>> Davis's
>>>> >> site on Bioenergy Lists.
>>>> >>
>>>> >> Does anyone know where I could find the design I am looking for, >>
>>>> and/or
>>>> >> the contact information for the designer?
>>>> >>
>>>> >> Any help you could provide would be greatly appreciated.
>>>> >>
>>>> >> Best regards,
>>>> >> Lori Heath
>>>> >>
>>>> >> St. John's, Newfoundland, Canada
>>>> >>
>>>> >>
>>>> >>
>>>> >> ______________________________**_________________
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>>>> >>
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>>>> >>
>>>> >>
>>>> >>
>>>> >>
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>>>> >>
>>>> >>
>>>> >>
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>>>> >>
>>>> >>
>>>> >>
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>>>> >
>>>> >
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>>>>
>>>>
>>>> --
>>>> Ray Menke
>>>>
>>>> ______________________________**_________________
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>>>
>>>
>>>
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>>
>>
>> --
>> Ray Menke
>>
>> ______________________________**_________________
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>>
>
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