[Gasification] "the DriZzleR Gasifier": A new filter and a new pyrotouch
Tom Miles
tmiles at trmiles.com
Mon Jul 21 15:00:58 CDT 2014
Try a shorter URL http://bit.ly/WyRmeV
-----Original Message-----
From: Doug [mailto:Doug.Williams at orcon.net.nz]
Sent: Monday, July 21, 2014 12:49 PM
To: Discussion of biomass pyrolysis and gasification
Cc: Tom Miles
Subject: Re: [Gasification] "the DriZzleR Gasifier": A new filter and a new
pyrotouch
Hi Tom,
I get the Web site but no video as described, is this the same for everyone?
Doug Williams,
Fluidyne
On Mon, 21 Jul 2014 07:56:29 -0700
"Tom Miles" <tmiles at trmiles.com> wrote:
> http://thedrizzlergasifier.blogspot.com/2014/07/a-new-filter-and-new-p
> yrotou
> ch.html
>
> A new filter and a new pyrotouch
>
> Hi All,
>
> New Filter design, First part of the video.
>
> I just posted a video of a test of my new filter setup. The previous
> filter a combination of cokes coal/woo/stainless steel shavings works
> well but created Too much presure drop. Also It was a real mess this
> coals SS shavings ... ugly smell and difficult to clean or to dispose.
> This filterset up is far more lighter in application and has very
> little pressure drop. Off coarse I have tested it only for 2.5 hours
> so I can not tell how fast it will pack up with dirt.
>
> New pyrotouch/kompaktor/agitator. Second part of the video.
>
> A DriZzLeR being a gasifier working in drip feed need to be feed the
> least possible amount of fuel. Also the flaming pyrolysis zone should
> be kept very shallow and always at the same level. This is easy if you
> have a constant load; then just DriZzle in on time interval. But
> coupled on a generator in island mode with various laod demands and
> thus various fuel consumption, on should have some kind of a level
> sensing device to feed more under heavy load and less in idle load.
> The Pyrotouch/kompaktor works fine with dense fuel such as pellets.
> With Woodchips the constant hitting the fuel, even if only very little
> force, is compacting the reduction too much and after some hours the
reduction is packed densely and the gasifier stops breathing.
>
>
>
> Also when DriZzling in pellets the distribute fine all over the
> flaming pyrolysis. Woodchips are falling down in one chute and pile up
> on one side of the fuel tube. The other side gets no wood and burns
> empty with as result a big hollow burn. So the Pyrotouch should have
> one more function extra, an agitator and leveling function to make an
> even and level flaming zone. In the second part of the video I show an
attempt to achieve this goal.
> Unfortunately the micro switch being too close to the hot zone melted.
> Adaptations are needed But the principle seems to work.
>
> Have a look in this video, subscribe, advise and comment
>
> Luk
>
--
Doug <Doug.Williams at orcon.net.nz>
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