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In The Shop Shop talk, shop tools & fixtures, shop wear, anything for the shop that is not covered in another forum.

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  #1  
Old 12-01-2009, 01:16 PM
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Homemade air dryer

I'm going to build an air dryer to try and get the moisture out of my air compressor. I've been doing some googling and searching this morning and came across some interesting ideas. Wondering if anyone creative in here has made one before? Right now I'm thinking of using some 3/4" copper plumbing pipe or maybe 1" and solder a bunch of horizontal runs about 2 ft long together. Then use a fan to pull air around the pipes. I think I'm going to put this in between the compressor pump and the compressor tank instead of after the tank like most are.

Anyone make an air dryer and have some pics of it?

Scott
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Old 12-01-2009, 01:45 PM
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Originally Posted by ponch37300 View Post
I'm going to build an air dryer to try and get the moisture out of my air compressor. I've been doing some googling and searching this morning and came across some interesting ideas. Wondering if anyone creative in here has made one before? Right now I'm thinking of using some 3/4" copper plumbing pipe or maybe 1" and solder a bunch of horizontal runs about 2 ft long together. Then use a fan to pull air around the pipes. I think I'm going to put this in between the compressor pump and the compressor tank instead of after the tank like most are.

Anyone make an air dryer and have some pics of it?

Scott
Buy about 5 sticks of 3/4 Copper 10' Sticks.
Use 4 sticks and make the horizontal runs however make them run up hill at about 45 to vertical.
Use the 5th stick to feed into the bottom and out from the top.
Hang this copper art on the wall, come out of the compressor head through the grid then into the tank. No fan necessary.
If you tip this rectangle you can put a drain on the bottom corner opposite the inlet.
Use hose between the copper and the compressor AND the tank.
I think I need a picture...
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Old 12-01-2009, 01:46 PM
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Here is a thread I came across in the past.
http://www.pirate4x4.com/forum/showthread.php?t=604995
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  #4  
Old 12-01-2009, 02:57 PM
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Quote:
Originally Posted by entropy View Post
Buy about 5 sticks of 3/4 Copper 10' Sticks.
Use 4 sticks and make the horizontal runs however make them run up hill at about 45 to vertical.
Use the 5th stick to feed into the bottom and out from the top.
Hang this copper art on the wall, come out of the compressor head through the grid then into the tank. No fan necessary.
If you tip this rectangle you can put a drain on the bottom corner opposite the inlet.
Use hose between the copper and the compressor AND the tank.
I think I need a picture...

I would think that having the pipe connected at bothe ends wouldn't be as efficient as a zig zag pattern so the air is sure to travel the whole length of the pipe instead of being able to take the path with the least resistance. This is what I was thinking about.

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Old 12-01-2009, 03:12 PM
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All you have to do is change the volume and the temperature to condense the water.
The problem with the zig zag is that it requires that the water be pushed through the full length, which requires that you get a lower temp otherwise the water tends to get picked back up and blown through.

Ether way will work, I just went simple and deleted the fan.
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Old 12-14-2009, 10:49 PM
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Quote:
Originally Posted by ponch37300 View Post
I'm going to build an air dryer to try and get the moisture out of my air compressor. I've been doing some googling and searching this morning and came across some interesting ideas. Wondering if anyone creative in here has made one before? Right now I'm thinking of using some 3/4" copper plumbing pipe or maybe 1" and solder a bunch of horizontal runs about 2 ft long together. Then use a fan to pull air around the pipes. I think I'm going to put this in between the compressor pump and the compressor tank instead of after the tank like most are.

Anyone make an air dryer and have some pics of it?

Scott
We once ran a half inch copper coil thru an old refrigerator freezer and it worked great with an old cast iron Sailor-Beale 10 horse compressor
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Old 12-15-2009, 06:50 AM
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I built one to fit ina 5 gal bucket. Its a line dryer for when I paint, but It worked beautifully. I put 2 verticals with the outlet higher than the inlet. There's two drains using petcocks at the bottom of the verticals so that I can drain the lines. I put 3 horizontalruns between the vertical runs, stick it in a 5 gallon bucket and fill it with ice. voilla! Dry air. I know a guy who used the same setup but added a refrigeration unit out of an old freezer to cool it. He doesn't have to buy ice lol!
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Old 02-21-2010, 05:48 PM
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Quote:
Originally Posted by entropy View Post
Buy about 5 sticks of 3/4 Copper 10' Sticks.
Use 4 sticks and make the horizontal runs however make them run up hill at about 45 to vertical.
Use the 5th stick to feed into the bottom and out from the top.
Hang this copper art on the wall, come out of the compressor head through the grid then into the tank. No fan necessary.
If you tip this rectangle you can put a drain on the bottom corner opposite the inlet.
Use hose between the copper and the compressor AND the tank.
I think I need a picture...
did you test this design? do the runs need to be that long(10ft)?
i was thinking about making this with 1/2in pipe about 5ft tall and 4 runs of pipe for my 60gal compressor that i will be outside. im mostly doing this for my plasma.
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Old 02-21-2010, 06:20 PM
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Originally Posted by dopeassjackson View Post
did you test this design? do the runs need to be that long(10ft)?
i was thinking about making this with 1/2in pipe about 5ft tall and 4 runs of pipe for my 60gal compressor that i will be outside. im mostly doing this for my plasma.
It has been tested, though I would not say 100% still...
The more surface area that the air is exposed to the better.
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Old 02-25-2010, 10:26 AM
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just fired my maze of copper pipe up. I used braided PVC air like for the soft line to connect the copper pluming to the compressor. the line out of the pump hot hot and blew a hole in the pvc air line, didnt even get up to 100psi.
what do you suggest for a soft line to connect this? that goodyear rubber air hose?
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Old 02-25-2010, 10:43 AM
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Originally Posted by dopeassjackson View Post
just fired my maze of copper pipe up. I used braided PVC air like for the soft line to connect the copper pluming to the compressor. the line out of the pump hot hot and blew a hole in the pvc air line, didnt even get up to 100psi.
what do you suggest for a soft line to connect this? that goodyear rubber air hose?
Oh ya.
'You need a high temperature hose there, even regular hose won't hold that temperature. The last sections I bought were from a place that sold industrial hose, it was a local place called Industrial hose and connector.
I believe it was made by Parker. I'll do some looking and see if I can find the info if I still have it.
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Old 02-25-2010, 11:22 AM
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a hydraulic hose would work but at the same time double the price of the piece. i have about $60 into this whole deal.
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Old 02-25-2010, 12:20 PM
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Originally Posted by dopeassjackson View Post
a hydraulic hose would work but at the same time double the price of the piece. i have about $60 into this whole deal.
Ok there is another way.
Use "Soft" copper line and put a loop (6-8" CLR) in it.
The loop will let it vibrate enough.
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Old 02-25-2010, 01:05 PM
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thats a good idea. i think i have a coil of 3/8in copper pipe around somewhere.
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  #15  
Old 02-25-2010, 01:34 PM
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i have about 22ft of 3/4in copper pipe.


that whole hose (3ft) felt soft.
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  #16  
Old 02-26-2010, 09:42 AM
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If I'm doing something that needs super dry clean air I just throw the 50' air hose in a 5 gal bucket of ice water then run through my huge air dryer filter.
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Old 02-26-2010, 03:19 PM
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If I'm doing something that needs super dry clean air I just throw the 50' air hose in a 5 gal bucket of ice water then run through my huge air dryer filter.
i use my plasma to much to make a temp setup like that.
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