[Stoves] New kind of Sawdust stove

[Tony Vovers]

Crispin
This is an interesting stove idea, I assume from the pictures that there is
no visible flame and it is basically a heater.

Do you think s visible flame could be generated for cooking???
I am still looking for good options to utilise excess bamboo sawdust , but
for cooking. Our attempts to use modified rocket type devices generally
result in a stary night flurry of sawdust particles when the stoves get
cranked up. We don't have the cash to invest in a pelletizer.

Tony Vovers

On 24 Oct 2016 4:59 p.m., "Crispin Pemberton-Pigott" <
crispinpigott at outlook.com> wrote:

> Dear Friends
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> I have just seen a type of sawdust burning stove not encountered before.
> It was designed by a guy called Altanbek, which means “Goldman”.
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> It is a vertical cylinder like a TLUD, with no primary air supply below
> the fuel.
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> You can see a handle on top of a pipe – the pipe is open at both ends. Air
> will enter the pipe and go down into the fire. The pipe has a sliding fit
> through a hole in the top cover which is reasonably air tight.
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> The cover at the bottom is to allow for the removal of ash.
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> Here is a view looking into the pipe from the top.
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> The pipe can be lifted by its handle in which case the plate welded on the
> end will knock against the underside of the cover, and the cover can in
> this way be removed.
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> Here is a view of what is on the bottom:
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> The disk is there to mount the other parts. The extensions on the side
> keep the pipe providing the air centered. The rectangles on the underside
> of the disk sit on the sawdust.
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> The flames pass between the disk and the stove body.
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> Sawdust is packed into the stove lit on top. Then the cover is placed on
> the body and the disk dropped onto the fire. Although not visible in the
> first photo there are 2 secondary air holes on opposite sides 125mm below
> the top.
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> The stove works well and produces a roaring flame. As the sawdust burns,
> the pipe drops into the stove by gravity.
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> Altanbek was burning waste cloth mixed with sawdust when I saw the stove
> operating. First some sawdust is placed in – about 75mm compacted, then a
> layer of cloth is added. Then another layer of sawdust and so on. The cloth
> is free from the sewing factory nearby.
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> Removing the top and looking inside while it is running stops the fire
> because of the missing blast of air.
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> Not much to see. Putting the pipe and cover back, the fire resumes
> burning. You can see one of the secondary air holes. It is not known if
> they are actually required. Possibly not.
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> In theory this method could be used to burn duff coal – a nearly free fuel
> that the very poor struggle to burn.
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> Summary: It is a TLUD with primary and secondary air supplied from above.
> The stove is used to heat the office of the welding shop.
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> Regards
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> Crispin
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