Dear Rex
----- Original Message -----
From: "Rex Zietsman" <[email protected]>
To: "'Discussion of biomass pyrolysis and gasification'"
<[email protected]>
Sent: Thursday, October 03, 2013 2:49 AM
Subject: Re: [Gasification] 15kW gasifier generator installed for
maizemilling
The water is going to be used to "paint" forest trees to combat borer
beetle.
# There seems to be a widespread belief that dipping fence posts in wood
tar can extend their useful life. However, there seems to be very little
evidence to support this belief. In this study of Fence Post Life,
http://juniper.orst.edu/post-farm.htm#summary
wood tar was not even considered as a preservative material. Have studies
been done to show that the "blackwater" is effective against "the borer
beetle"?
# Some "Borer Beetles", such as the "Spruce Bark Beetle" typically attack
overmature trees that are already in the dying process, but generally do not
atack younger healthy trees. Other beetles, like the Ash Borer Beetle,
typically attack healthy Ash trees Is thewre any information on which
species of "borer beetles" that the "gasifier blackwater" can control?
Thanks!
Kevin
The ash is going to be added to a fire to be burnt out.
Rex Zietsman
-----Original Message-----
From: Energies Naturals C.B. [mailto:[email protected]]
Sent: 02 October 2013 01:52 PM
To: [email protected]
Subject: Re: [Gasification] 15kW gasifier generator installed for maize
milling
This sounds very promising, Rex
can you give me a hint where to find he pics but not on Facebook ?
What do you do with the wash water?
Thanks
Rolf
On Wed, 2 Oct 2013 12:00:27 +0200
"Rex Zietsman" <[email protected]> wrote:
Hi everybody,
I am back on the gasifier list from a long sabbatical. But, I have not
been idle! My colleague and I recently installed a wood fired gasifier
running a 15kW alternator driving a 7.5kW maize mill in northern
Mozambique. Here is a Facebook link for the photos and a short 15
second movie showing the plant running and milling maize:
https://www.facebook.com/pages/Whitfield-Agri/391405990981929.
Some of the interesting points:
-> Gasifier: Trillion TG30 imported from Indonesia Gas cleaning:
-> irrigated balls located in the annulus around the gasifier
main shell; cyclone for droplet removal; chemically activated sawdust
tar filter; sawdust safety filter and an Isuzu truck air filter as a
final gas filter
-> Cooling tower: Cooling is done with a tray type cooling tower with
cooling water circulated by 12V bilge pumps
-> Motor: 4.1 litre Chev 6 cylinder
-> Alternator: 380V ST synchronous alternator with AVR Uses LPG gas to
-> start the motor allowing the motor to draw the gas
through the system. Once operating smoothly and gasfier glowing
adequately, the LPG is slowly shut off while the air/fuel ratio is
adjusted for the lower BTU syngas. This start up method works very
well - takes about 5 minutes to switch over from LPG to syngas
I have a lot of experience and clearly a lot more technical specs if
anyone is interested. Post your queries and I will answer them so that
we all learn from our experience.
Rex Zietsman
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Energies Naturals C.B. <[email protected]>
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