Joanne L. Van Bezooyen on mon 2 oct 00
You are so good.
Actually, I'm not planning to buy or build a spray booth. I have obviously not
investigated even how they work. It was just a passing thought in Home Depot. I
can see where you'd have to have the proper exhaust in order for the air to move
properly. Perhaps through the drain hole! :-D
Joanne
Dave Finkelnburg wrote:
> Joanne,
> This could work well, if it's the right size for your needs. It would
> certainly be easy to clean! :-)
> For all who are considering building their own spray booth, please be
> sure you understand something about how these work. You want to use a fan
> with enough capacity to create a high enough "capture velocity." That is,
> you want a high enough rate of air flow into the spray booth opening to keep
> all the airborne glaze overspray inside the booth, not drifting out into the
> air in the room.
> Also, remember that the filters in the booth can act just like a damper
> for your exhaust fan. As the filters clog, the airflow will drop off,
> especially if you are using a fan with a very "flat" performance curve. Let
> me explain. If you plot fan pressure drop up the vertical axis, and fan air
> flow out the horizontal axis, a fan with a "flat" curve exhibits a large
> change in flow with only a small change in fan pressure drop. If you damper
> this fan a little bit, you can lose a lot of air flow, and no longer capture
> the glaze particles you don't want to be breathing in your studio. :-(
> David Hendley offered me some excellent advice on building a different
> pottery tool. Go look at one that's been built, and works, he advised. I
> think this could be excellent advice for a spray booth, too.
> Dave Finkelnburg, interested in a clean and healthy workplace
>
> Joanne wrote:
> >While in a nearby home improvement superstore, I passed the inexpensive
> laundry
> >tubs on legs and wondered if it could be used as a spray booth by setting
> the sink
> >on its side on top of the legs???? Has anyone ever done this? They are
> >lightweight, cheap, easy to move around, etc.
>
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--
Joanne L. Van Bezooyen
520-749-1685
Art Gecko Designs
http://www.arteriordesigns.com/noname.html
voice & fax: 520 760-1584
11220 East Via Madre
Tucson, Arizona 85749 USA
Dave Finkelnburg on mon 2 oct 00
Joanne,
This could work well, if it's the right size for your needs. It would
certainly be easy to clean! :-)
For all who are considering building their own spray booth, please be
sure you understand something about how these work. You want to use a fan
with enough capacity to create a high enough "capture velocity." That is,
you want a high enough rate of air flow into the spray booth opening to keep
all the airborne glaze overspray inside the booth, not drifting out into the
air in the room.
Also, remember that the filters in the booth can act just like a damper
for your exhaust fan. As the filters clog, the airflow will drop off,
especially if you are using a fan with a very "flat" performance curve. Let
me explain. If you plot fan pressure drop up the vertical axis, and fan air
flow out the horizontal axis, a fan with a "flat" curve exhibits a large
change in flow with only a small change in fan pressure drop. If you damper
this fan a little bit, you can lose a lot of air flow, and no longer capture
the glaze particles you don't want to be breathing in your studio. :-(
David Hendley offered me some excellent advice on building a different
pottery tool. Go look at one that's been built, and works, he advised. I
think this could be excellent advice for a spray booth, too.
Dave Finkelnburg, interested in a clean and healthy workplace
Joanne wrote:
>While in a nearby home improvement superstore, I passed the inexpensive
laundry
>tubs on legs and wondered if it could be used as a spray booth by setting
the sink
>on its side on top of the legs???? Has anyone ever done this? They are
>lightweight, cheap, easy to move around, etc.
patrick conrey on tue 3 oct 00
I saw something recently about taking the body of an old clothes dryer
and makeing a spray booth out of it. I think one would use it backwards
- spray from the back and attach fan and vent ducts to the front
opening!!!!
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