[Stoves] Platform forc burner development

Alex English english at kingston.net
Sun Aug 5 17:38:19 CDT 2012


Andrew,
Sound like it may have been inspired by Tom's field burner?
High bun rates?

With this blower, the water plate that the motor mounts on has a hole 
for the shaft so a little water contacts and cools the shaft directly.

Alex

On 05/08/2012 5:08 PM, ajheggie at gmail.com wrote:
> On Sun, 05 Aug 2012 12:11:11 -0400, Alex English wrote:
>
>> I have built a barrel based platform to mount the burner
>> and a variable speed blower to dial up the draft. This allow the
>> platform to mimic common chimney conditions or indeed higher pressure
>> differences.
> I had the problem of how to protect the induced draught fan in a
> situation where there was no heat exchange, it was a tow along
> under-a-cover-burner for vegetation. Danny built me a simple
> centrifugal extractor just like yours and we isolated the shaft from
> the fan  by a tubular shaft. The bearings still overheated. The work
> is on hold atm but the plan is to extend the paddles of the
> centrifugal fan and twist them into an axial fan, pulling cool air
> over the motor and blowing it down an outer tube concentric with the
> flue pipe.
>
> We need a good depression to prevent smoke from primary combustion
> escaping the sides of the sledge, flue gases seem to be visually
> clean, lost smoke from primary side equates to a loss of energy as
> well as a pollutant.
>
> AJH
>
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