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Air Cleaner

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Project by tcarr3 posted 02-24-2009 03:30 AM 2513 views 22 times favorited 21 comments Add to Favorites Watch

This is an inexpensive air cleaner. The total project cost approximately $35.00. I went to a heating and air conditioning establishment. I was looking for a used squirrel cage blower. To my suprise they offered me one for free. Only requirement was I had to get it out of the air conditioner myself. So about 15 minutes later I had a blower at a great price. As you can see the air cleaner has a simple design. A box with two 12×24 filters on the intake end and one filter on the other end and a squirrel cage blower in the middle. I purchased a three way switch, asked the genius next door (Steve) for some help in wiring it. It works better than I had imagined. It has already made a difference in my garage.

-- tcarr





21 comments so far

View Zuki's profile

Zuki

1404 posts in 2831 days


#1 posted 02-24-2009 03:42 AM

I always wondered what a squirrel cage blower looked like. Tks

-- BLOG - http://www.colorfulcanary.com/search/label/Zuki

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2518 days


#2 posted 02-24-2009 04:04 AM

Looks good, someday I plan to do something similar. The way I plan to configure it is have a 1” X 20” X 20” filter on each of the 2 side intakes of the squirell cage, and have an open exhaust.

View Bureaucrat's profile

Bureaucrat

18329 posts in 2406 days


#3 posted 02-24-2009 04:17 AM

Great project. I have a squirrel cage fan that I got the same way you did. I am planning to hang mine from the ceiling. Will post when I get further along. Isn’t re-purposing a wonderful thing!

-- Gary

View Alan's profile

Alan

443 posts in 2158 days


#4 posted 02-24-2009 04:17 AM

Great idea. Thanks for posting it.

-- Alan, Prince George

View Jimthecarver's profile

Jimthecarver

1123 posts in 2539 days


#5 posted 02-24-2009 04:27 AM

I constructed one of these as well and it works great.
Being on a small budget we do what we have to do to get the job done. I hung a owl feather on a short piece of fishing line and when it no longer draws it upwards to the filter ….well its time to clean it
Thanks for the post.

-- Can't never could do anything, to try is to advance.

View Shopsmithtom's profile

Shopsmithtom

780 posts in 2949 days


#6 posted 02-24-2009 04:38 AM

Great job! I posted a project like this a while back, too. Same story…free parts, just get them outa here…
This is a remarkably simple system that really works well. Mine’s on casters, but I’m wondering about putting one on the ceiling (basement) and then having the option to duct it out a window. That would allow me the ability to do a little bit of spraying and maybe not blow up the house from the fumes. -SST

-- Accuracy is not in your power tool, it's in you

View tcarr3's profile

tcarr3

4 posts in 2286 days


#7 posted 02-24-2009 04:53 AM

I should have mentioned that instead of mounting on the ceiling, I put wheels on the case so I can move it to the area where I am working and creating the most dust.

-- tcarr

View builtinabarn's profile

builtinabarn

98 posts in 2139 days


#8 posted 02-24-2009 03:07 PM

Thats an awesome idea. How often to you have to change the filter?. I have next to no dust collection in my shop and Id have to be changing that filter every day.

-- Built in a Barn Bob

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2518 days


#9 posted 02-24-2009 04:05 PM

Bob, you can get a washable filter, I have one on a box fan, TrueBlue makes them.

View PurpLev's profile

PurpLev

8476 posts in 2402 days


#10 posted 02-24-2009 04:23 PM

Thanks for posting, I’m planning to do the same, and it’s nice to see that it works for others as well.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View jockmike2's profile

jockmike2

10635 posts in 3000 days


#11 posted 02-24-2009 04:46 PM

I have made 2 of them one I put in a small room with my lathe with the intake filters, 2 of them, I made a frame for them out of rolled aluminum, and ran some ductwork to the other end of the shop to the squirrel cage blower where it blows clean fresh air. I change the filters when they need it, about every 2 weeks or 3. I also hung one in the main shop without ductwork. Just an intake and output. Works great. Costs 15.00 dollars.

-- (You just have to please the man in the Mirror) Mike from Michigan -

View creeker46's profile

creeker46

14 posts in 2151 days


#12 posted 02-24-2009 06:56 PM

Nice design. I have something similar that I hang from the ceiling. Do you guys that have made these run them most of the time, some of the time, or do you just set them on a timer to run for awhile after you have left the shop?? I would love to leave it on while I am working, but the noise annoys me….

-- "I have not failed 10,000 times, I have successfully found 10,000 ways that will not work."--Thomas A. Edison

View Dadoo's profile

Dadoo

1777 posts in 2744 days


#13 posted 02-24-2009 07:01 PM

I actually drew up the plans on building one of these, but incorporating it into the attic space above the shop. The filters would be placed in the ceiling and being in the attic, it would run much quieter.

And then Jet had this big sale with free shipping…so you know the rest!

*You might wish to prefilter as much as possible as the exhaust is clean air, and requires no filtration. The pro-models use a (washable) furnace type filter and a dust bag. And it definitely sucks in a ton of particulate!

Creeker46: I use mine whenever I’m creating that particulate…in LJ terminology, anytime I’m sanding or spraying!

-- Bob Vila would be so proud of you!

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2518 days


#14 posted 02-24-2009 07:10 PM

I bought a Delta 50-875 Air Filtration unit and is also the reason the furnace blower prodject hasn’t got done, but this thread got me thinking again about it. If it’s going to take up space, it may as well be functional.

View Dusty56's profile

Dusty56

11688 posts in 2442 days


#15 posted 02-24-2009 08:52 PM

I leave mine running for at least an hour after I’ve left the shop . You’d be surprized at how much fine dust is actually still airborne after you’re done working. I have upgraded my dust collectors with better filters , but there is no way they will ever capture everything. I also have my air filters running before I cut or sand anything at all. I don’t see the need for an after filter unless it filters even finer dust than your main filters do .
I’m thinking about building a new work station that has a filter system like yours built right into it : ) Thanks for the post .

-- I'm absolutely positive that I couldn't be more uncertain!

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