[Digestion] Flares, Check Valves, Insulation Blankets
Paul Harris
paul.harris at adelaide.edu.au
Tue Jun 28 20:29:41 CDT 2011
G'day Steven,
For a small system I suggest a "water trap" is the best check valve, as it
also acts as a flame trap and a condensate collection point. For a couple of
ideas go to http://www.adelaide.edu.au/biogas/safety/ where you can view
sketches of Flametrap1 and Flametrap2.
Happy Digesting,
HOOROO
Mr. Paul Harris, Room 202 Charles Hawker Building, Faculty of Sciences, The
University of Adelaide, Waite Campus, PMB 1, Glen Osmond SA 5064 Ph : +61
8 8303 7880 Fax : +61 8 8303 4386
mailto:paul.harris at adelaide.edu.au
http://www.adelaide.edu.au/directory/paul.harris
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-----Original Message-----
From: digestion-bounces at lists.bioenergylists.org
[mailto:digestion-bounces at lists.bioenergylists.org] On Behalf Of Steven
Bolgiano
Sent: Wednesday, 22 June 2011 7:07 AM
To: digestion at lists.bioenergylists.org
Subject: [Digestion] Flares, Check Valves, Insulation Blankets
Hi Group,
I thought I'd put a group of trivia questions, in one email.
Gas Flare - In terms of a small digester, can anyone describe or point
to plans for self-assembling a gas flare?
I assume it would be a type of pressure valve with an activation for a
battery operated igniter, so that if the gas collection bag became too
full it would relieve pressure by burning off excess?
And any comments or advice on flares in general, or how it might apply
to a bladder tank style containment would be great.
Check Valves - I assume a gas check valve would go between the gas
containment and the generator engine, also between a utility like the
above mentioned flare, .... where else in a small digester system
should a check valve be located. I know with the solar water heating
for tanks, we just completed ... in terms of a water valve, a "swing
check valve" was required because our solar water heating is a closed
loop with next to nothing in pressure to open a spring loaded valve.
What are the various kinds of check valves for gas, and what is best for
a small system?
Insulation Blankets - I know quite a few list members are from outside
the U.S. so they may not be able to help, but I'm looking for a UV
resistant insulation blanket, black on top and reflective on bottom to
cover bladder tanks in winter. These tanks actually have a low profile
"greenhouse" shell over them, so the ambient greenhouse temps can be as
high as 65C. The blanket would need to be 5 x 9 meters.
Any suggestions for sources to buy?
Thanks!
Steven
--
Steven Bolgiano
Executive Director
Planet Foundation Ltd.
steven at planetfound.com
443.235.1344
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