[Gasification] "the DriZzleR Gasifier": A new filter and a new pyrotouch

Doug Doug.Williams at orcon.net.nz
Mon Jul 21 14:48:57 CDT 2014

Hi Tom,

I get the Web site but no video as described, is this the same for everyone?
Doug Williams,

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-pyrotou
> 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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