[Gasification] Gasification Digest, Vol 2, Issue 1
James Mayer
jamesmayer at comcast.net
Tue Aug 1 12:20:52 CDT 2006
Thought you might be interested in the American Energy Security Study, which
I've helped to organize and manage. Call if you like additional
information. Enjoy you email posts. Best.
http://americanenergysecuritystudy.org/studyrelease.html
Jim Mayer
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A. J. Mayer International
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Tel: 717-359-0693 (direct line) <> Cell: 410-259-9247 <>
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www.AmericanEnergySecurity.org
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Subject: Gasification Digest, Vol 2, Issue 1
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Today's Topics:
1. Re: water injection of producer gas fired ic engines (Jeff Davis)
2. Low Calorific Gas for Stirling Engines (Tom Miles)
3. Re: water injection of producer gas fired ic engines
(Arnt Karlsen)
4. Re: water injection of producer gas fired ic engines
(Doug Williams)
5. Re: water injection of producer gas fired ic engines
(Peter Singfield)
6. Re: cyclone sizing (LINVENT at aol.com)
----------------------------------------------------------------------
Message: 1
Date: Mon, 31 Jul 2006 17:15:20 -0400 (EDT)
From: "Jeff Davis" <jeff0124 at velocity.net>
Subject: Re: [Gasification] water injection of producer gas fired ic
engines
To: gasification at listserv.repp.org
Message-ID: <38429.152.50.3.3.1154380520.squirrel at www.velocity.net>
Content-Type: text/plain;charset=iso-8859-1
Peter wrote,
> However -- I do realize that running at 375 RPM on producers gas will
> further derate -- probably by half -- so that will cut me down to 700
> watts
> or less in real terms.
I have read that producer gas engine at idle, or a little above, has as
much power as gasoline.
Jeff
--
Jeff Davis
Some where 20 miles south of Lake Erie, USA
------------------------------
Message: 2
Date: Mon, 31 Jul 2006 15:34:42 -0700
From: "Tom Miles" <tmiles at trmiles.com>
Subject: [Gasification] Low Calorific Gas for Stirling Engines
To: <gasification at listserv.repp.org>
Message-ID: <002c01c6b4f1$86469b10$0300a8c0 at Hp1270>
Content-Type: text/plain; charset="us-ascii"
A Baumuller, Solo Stirling GmbH, will discuss "Low Calorific Value Gas
Combustion Systems for Stirling Engines" September 27 at the International
Stiriling Forum in Osnabruck, Germany,
See:
http://www.ecos-consult.com/energie/downloads/veranstalltungen/Draft-Program
me-ISF2006-JUNE-26-2006-english.pdf
Whispergen Tech, Microgen Energy Limited, Solo Stirling GmbH, Sunmachine and
Stirling Systems, AG will be exhibiting.
As far as I know the only other application of a gasifier to a stirling
engine has been by Stirling Danmark
See: http://www.stirling.dk/index.asp
Tom Miles
------------------------------
Message: 3
Date: Tue, 1 Aug 2006 00:48:13 +0200
From: Arnt Karlsen <arnt at c2i.net>
Subject: Re: [Gasification] water injection of producer gas fired ic
engines
To: gasification at listserv.repp.org
Message-ID: <20060801004813.656f96e3.arnt at c2i.net>
Content-Type: text/plain; charset=US-ASCII
On Mon, 31 Jul 2006 09:10:45 -0600 (CST), Peter wrote in message
<3.0.32.20060731091039.00c24570 at pop.btl.net>:
>
> Folks -- was I to much off topic -- or what -- Harmon??
..naaah, water injection gear _can_ be used in gas engines too, at least
as a gimmick. ;o)
> Moderator -- Help!!!
>
> Peter Belize
>
> ****************************************
>
> Date: Mon, 31 Jul 2006 10:37:38 -0400
> From: Edward Russick <erussick at gti-e.com>
> Subject: RE: [Gasification] water injection of producer gas fired ic
> engines To: Peter Singfield <snkm at btl.net>
> Thread-topic: [Gasification] water injection of producer gas fired ic
> engines
>
>
> Please refresh my memory --- ?????
>
> Why am I on E mail list ???
..AFAIK, this list is about thermochemical gasification technology,
also including the use of producer gas in engines, if this is outside
your field of interest, you should reconsider your choise of email
lists.
> Edward J. Russick
> VP - Sales
> GTI
> Box 1269
> 2 Central Ave
> Box 1269
> Madison, NJ 07940
> Phone 973 - 360 - 0170
> Fax 973 -360 - 0176
> www.gti-e.com
> erussick at gti-e.com
> skype address = gtiedw
--
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.
------------------------------
Message: 4
Date: Tue, 1 Aug 2006 11:12:01 +1200
From: "Doug Williams" <Doug.Williams at orcon.net.nz>
Subject: Re: [Gasification] water injection of producer gas fired ic
engines
To: <GASIFICATION at listserv.repp.org>, "Peter Singfield" <snkm at btl.net>
Message-ID: <001801c6b4f6$bc6c0c70$0b01a8c0 at pc>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi Peter, and Gasification Colleagues,
I have just spent two weeks standing next to a five cylinder 62 litre 600
RPM dual fuel engine running on producer gas. This was the first time that I
have worked with engines of this size, but in the end, all engines work the
same on producer gas. In the past, I have often read that high diesel
replacement of up to 90% has been achieved, but from our own experience,
only managed 82.23% under perfect conditions. It was therefore a surprise to
actually be told by the engine specialist on site, that our big engine was
operating at 94% replacement of diesel, but there is a twist to this
statement.
When originally supplied for it's intended purpose as a base load stand-by
generator, the engine was sized 20% bigger than the actual rated out put of
the generator, effectively setting the engine to be operating at 80% of the
normal rated out put on diesel. At this 80% out put, it is the maximum point
of dual fuell efficiency, so when operating on producer gas, it litterally
just shut down the injector pump, relegating the diesel to fullfil the role
of a spark plug. The sound was like the hit and miss of a faulty spark plug,
and the acceptable way of operating these engines on dual fuel. The actual
diesel fuel flow was less at maximum out put, than required to just idle the
engine on no load.
Without a doubt, the fly wheel is the reason that allows this high
replacement, along with the slow speed, so it should be understood, that the
smaller, higher speed engines, just do not have the innertia to get that
higher replacement %. I should also mention that I had the oppertunity to
confirm the accuracy of the Fluidyne Engine Tables www.Fluidynenz.250x.com
making it easy to see what you can get out of the engine in front of you.
Clearly the slow speed engine with a big fly wheel, has advantages fuelled
on producer gas, and if the load can be kept constant, will do justice to
maximizing diesel replacement. I really admire your tenacity to make those
Listeroids perform as your need dictates.
Doug Williams,
Fluidyne Gasification.
------------------------------
Message: 5
Date: Mon, 31 Jul 2006 21:05:15 -0600 (CST)
From: Peter Singfield <snkm at btl.net>
Subject: Re: [Gasification] water injection of producer gas fired ic
engines
To: gasification at listserv.repp.org
Message-ID: <3.0.32.20060731204129.00c3a530 at pop.btl.net>
Content-Type: text/plain; charset="us-ascii"
At 05:15 PM 7/31/2006 -0400, Jeff Davis wrote:
>Peter wrote,
>> However -- I do realize that running at 375 RPM on producers gas will
>> further derate -- probably by half -- so that will cut me down to 700
>> watts
>> or less in real terms.
>
>I have read that producer gas engine at idle, or a little above, has as
>much power as gasoline.
>
>
>Jeff
>
now I shall take you dudes way off topic!!
Last week I ran a short trial on this same Lister engine on some "raw"
crude oil -- straight from our tiny little oil field here in Belize.
I simply emptied my fuel tank of diesel -- poured in a gallon of crude --
cranked the engine over (by hand as always) -- and phaff --phaff -- away
she went!!
First thing -- the engine did derate by half of more -- I could barely get
800 Watts with governor flat open and huge puffs of smoke.
Second -- my cooling tank started boiling hard in five minutes -- on diesel
-- it can run at 800 watts all day -- and never boil!!
Third -- after but 2.5 hours of operation I shut it down -- and drained the
tank - -recovering but 1/8 of the gallon I had started with.
On diesel -- I can run 6 hours on 3/4 of a gallon -- 800 watts -- "easy"
The crude has a lot of volatiles and gas (methane??) -- and that really
troughs the diesel off!!
So I am presently rigging up a small column to distill the volatiles out --
this to be emersed in the coolant tank -- say 212 F max temps.
I will condense the volatiles as much as possible -- they should be fine
for operating my chain saw.
After partial distillation I will set the balance aside -- to sit for two
weeks or so --
The bitumens should settle to the bottom -- and then I will syphon off the
top.
Then run the trials using that as fuel!!
The bitumen I will recover and use for fuel in my small cane juice boiler
-- along with the bagasse.
Course -- I could channel some of that steam to further distillation of
more crude -- should that need arise.
Now -- is this off topic or what -- eh??
Peter / Belize
------------------------------
Message: 6
Date: Mon, 31 Jul 2006 23:15:14 EDT
From: LINVENT at aol.com
Subject: Re: [Gasification] cyclone sizing
To: a31ford at inetlink.ca, gasification at listserv.repp.org,
jimmason at whatiamupto.com
Message-ID: <bf4.75217.32002142 at aol.com>
Content-Type: text/plain; charset="US-ASCII"
Cyclones will not remove contaminants such as aerosols and attempting to
remove particulates with a cyclone from a gas mixed with aerosols doesn't
work.
Sincerely,
Leland T. Taylor
Leland T."Tom" Taylor
President
Thermogenics Inc.
7100-F 2nd St. NW Albuquerque, NM 87107
Phone:505-463-8422 Fax:505-268-9206 (call first)
Web:thermogenics.com
------------------------------
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