Chaff collector ideas? - Page 2

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NightFlight

Postby NightFlight » Nov 11, 2015, 11:46 am

weebit_nutty wrote:As a maker who has more time and research into dust collection systems than I care to admit, the best performing cyclone you can buy on the market today is the oneida systems dust deputy. Of course it's pretty big but if you're thinking about building a chaff collection system, you might want to base it on that design.

I agree completely and have been through the ringer on the different systems and the oneida systems are relatively pain free and the steel super dust deputy would be my choice to use with a roaster.

OldNuc

Postby OldNuc » Nov 11, 2015, 2:42 pm

There are easily obtainable books on the design and building of these cyclonic separators and the Oneida Dust cyclones are built to these proven design specifications. These will be the best bang for the buck.

abhishah

Postby abhishah » Nov 13, 2015, 11:01 am

Thank you everyone, i will try to get my hands on a Oneida Dust cyclone first and then hopefully build a good chaff collection system.

Thank you

abhishah

Postby abhishah » Nov 22, 2015, 10:21 am

Would anyone happen to know what kind of motor sits on top of the cyclone collector? What is it called?

Thanks

abhishah

Postby abhishah » Nov 22, 2015, 11:14 am

Now this image makes a lot of sense, where the motor i blowing the air downwards and the chaff is coming in from the left with the clean air getting out from the right.

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weebit_nutty

Postby weebit_nutty » Nov 22, 2015, 11:42 am

abhishah wrote:Now this image makes a lot of sense, where the motor i blowing the air downwards and the chaff is coming in from the left with the clean air getting out from the right.

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Actually what's happening is the blower pulls air up into the outlet at the center and out to the side (not pushed down), as indicated by the arrows.

The cyclonic effect drives the debris downward into the discharge drum.
You're not always right, but when you're right, you're right, right?

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NightFlight

Postby NightFlight » Nov 22, 2015, 1:59 pm

The dust deputy bucket catches all of the 'dust' chaff and the vacuum itself stays clean.
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They work exceptionally well. A tad noisy, but isn't that the way a shop should sound?

spearfish25

Postby spearfish25 » Nov 22, 2015, 2:04 pm

Glad I saw this thread. Just bought one to use with my shop vac. I vacuum out the ash from my green egg and it chokes the vac filters all the time. Hopefully this helps.
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Alex
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weebit_nutty

Postby weebit_nutty » Nov 22, 2015, 3:30 pm

I have to say though,

I'm very interested how this will all work out, as I am frankly slightly skeptical how well chaff collection would fare on a dust collection system designed for wood debris. The physical properties of chaff is quite different from sawdust moving through air. . Sawdust has greater fluidity as it is significantly heavier by volume and has minimal surface area, which is why it is particularly fluid in the cyclone funnel.

Also is this system being used for chaff collection post-roast (cooled), or during the roast? I'm curious if heat will be an issue.
You're not always right, but when you're right, you're right, right?

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NightFlight

Postby NightFlight » Nov 22, 2015, 3:37 pm

Scotty as I stated previously I would only use the metal/industrial system to collect chaff and it would also require a longer exhaust pipe/cooling distance from the roaster to use during roasting but I do not see why it would not work. I have sucked up everything from sawdust, paper, water and other stuff and I am 98% sure chaff would stay in the drum as well.