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Author Topic: powered vent for kiln  (Read 956 times)

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Offline stevareno

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powered vent for kiln
« on: February 27, 2012, 01:18:52 AM »
We're building a 20,000 bdft kiln.  Everything is completed except the vent.  I would like to use a powered vent so I can create a slight negative pressure in the chamber which will be controlled by a humidity/temp controller.  Is there a formula to figure how much ventilation I would need for a kiln this size?   

 

Offline Ga_Boy

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Re: powered vent for kiln
« Reply #1 on: February 27, 2012, 11:10:22 AM »
Check with Den (board Mod) at PC Speciality.  If he does not have a powered vent instock he should be able to point you to where you can find one.

10 Acers in the Blue Ridge Mountains

Offline Den Socling

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Re: powered vent for kiln
« Reply #2 on: February 27, 2012, 01:50:03 PM »
Well this is cool. You're both PCS customers.

Steve,

I can't answer you. Getting a negative pressure would depend on how tight your chamber turns out to be. How much air you want to move would depend on what you are drying. I have seen big, power vents run constantly with soft maple and I have seen small vents run intermittently with oak.

We don't stock much for conventional kilns. We are pretty much limited to vacuum kilns except for control systems. McMaster-Carr is as good of source as any. They have a lot of vents with louvers. Some are corrosion resistant.

Thanks guys.
Den


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