Sandblast Rooms And Equipment

 
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Old 12-21-2011, 06:33 PM   #1
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Sandblast Rooms And Equipment


In regards to a few people that have contacted me about blast rooms .
I thought everyone could share there trials and errors with there set up.

1. fans and containment?

2. Size?

3. What has worked for your business?

I'm sure there's more than a few that has questions or some helpful answers to help these guys out.

Thanks for your input!

Jim
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Old 12-21-2011, 06:37 PM   #2
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Re: Sandblast Rooms And Equipment


http://www.industrialfansdirect.com/CFM.html

Found a fan calculator, but does not have sandblasting on the chart for air movement per min.

There are other ways to figure this out, anyone have a different way!


Plus, this is a good site for fans, seem like good prices.

http://www.industrialfansdirect.com/IND-FA-HL.html

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Old 12-21-2011, 09:27 PM   #3
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Re: Sandblast Rooms And Equipment


I've been told as far as air movement Height x Width x 60 this would give the CFM's to, in theory, clear the booth in 60 seconds.
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Old 12-22-2011, 09:39 PM   #4
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Re: Sandblast Rooms And Equipment


http://www.tractorsupply.com/maxxair...-blade-3240594


This is pretty good for most blast rooms. They run just a couple hundred bucks. I have one it works great.

I also installed a smaller fan as an intake for frsh air.

If you have to exahust in to open air then you might not want to big of a fan anyway to keep the dust cloud down. You don't need a room to be so clear. You can see fine what you are up close to even when it's a little thick in there.
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Old 12-23-2011, 06:59 PM   #5
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Re: Sandblast Rooms And Equipment


I ran my black max fan into a boxed frame that is 8x8x4 wrapped with black landscaping cloth. The breathable type, looks like felt.
Had it up for 2.5 years before changing it. Works good, only got a small amount of leakage.
Thinking about changing it into a big cyclone then piped into another room that is like a bag house. Having a bigger fan that will pull dust through not push in to the filters.
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Old 12-25-2011, 04:25 PM   #6
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Re: Sandblast Rooms And Equipment


You get a heck of a lot of snow up there Jim. Did you have to put a real roof on it like building a shed? That's what's stopping me from doing the same thing for now.
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Old 12-26-2011, 06:26 AM   #7
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Re: Sandblast Rooms And Equipment


Quote:
Originally Posted by Betterblast View Post
You get a heck of a lot of snow up there Jim. Did you have to put a real roof on it like building a shed? That's what's stopping me from doing the same thing for now.
Glen,
Just got the real first snow of the year, ? Weird this year but good, no snow, more calls than ever!

I built it with a shed roof, just make it tight. I left the bottom off the ground, but that's a bad idea, next spring, I'm putting a cement pad down, and putting it a door so I can go in and clean the dust up.
It does ketch a lot.

I got time this week, I will post a picture. And maybe some drawings of what I'd like to do.
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Old 12-27-2011, 09:37 PM   #8
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Re: Sandblast Rooms And Equipment


I'd like to see that. I just moved to a new shop this August. I want to build the same sort of thing and I have been wondering how big it has to be to not choke up the fan too much. I thought I might get a 12by 18 shed kit and replce the doors with that cloth.
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Old 12-28-2011, 05:27 AM   #9
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Re: Sandblast Rooms And Equipment


More cloth will give you longer time.
When I'm done blasting, and the fan is off, I go out and bang the out side with a hockey stick to clean it.
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Old 02-20-2012, 08:37 PM   #10
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Re: Sandblast Rooms And Equipment


Hi guys, I am new to the forum and blasting. I am in wisconsin and own a powder coating business and am puting in sandblasting. I have a semi trailer that I am making into my blast room. My question is...If I use the center of the trailer to do my blasting, would this fabric work along with a fan to use the front of te trailer as my dust collecting room? Just a thought and wondered what others that have done blasting rooms think about my Idea. Thanks, John
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Old 02-21-2012, 04:29 PM   #11
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Re: Sandblast Rooms And Equipment


Do you guys just blow the dust outside? No kind of filtering?

I'm trying to figure out how to set-up the ventilation for my blast booth (20'x12'x9') that we built inside of a 30'x40' shop. It's just too dusty inside to blast.
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Old 02-21-2012, 09:28 PM   #12
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Re: Sandblast Rooms And Equipment


The trick Pat,as Jim had described a couple of times, is that you have to let the fan exit freely into another "room". If you try to put a filter right up against a fan it will clog it up instantly. You can build an A frame or buy a shed... and take out a wall or two and replace it with black landscaper's cloth on the oposite end of the exahust. that way you don't directly block the fan.
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Old 02-21-2012, 09:29 PM   #13
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Re: Sandblast Rooms And Equipment


flyboy, same goes for your trailer. You can use the front but you need to open it up on that side so the air can escape.
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Old 02-22-2012, 06:03 AM   #14
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Re: Sandblast Rooms And Equipment


Once the air get through your fan, it needs to work on the princeable of
Exspanding the air to let the dust fall down to the ground.

Like a water trap, when the air is compressed, then exspands, the air is lighter and the dust or water falls down with gravity.

The bigger the area when it expands the better it will take out the dust.

I use a black max fan, 3500 cfm to clear a 15 x 30 room with 12' height

I have had the same cloth on mine for 3 years, and it needs to be changed.

I blast about twice a week in my shop.

It works ok, but I should have two hooked up....in time and with more money at some point.

PS: make sure you use a fan that has a closed motor!
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Old 02-22-2012, 06:12 AM   #15
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Re: Sandblast Rooms And Equipment


The black max is a great fan, but they cost quite a bit. A good alternative are the sealed exhaust fans from TSC farm equipment. Under $300. for wall mount 4000 cfm. I use one with nice results.
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Old 02-22-2012, 06:13 AM   #16
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Re: Sandblast Rooms And Equipment


Please mind the mess it winter and storage is tight...,

I plan on tripling the size of this and building it from the ground to the bottom of the windows. Adding a door to clean out the waste.

I built this rather quickly at one point to just satisfy the town. And found it worked ok. So know I just got to get it to work better on a bigger scale
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Old 02-22-2012, 06:18 AM   #17
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Re: Sandblast Rooms And Equipment


Quote:
Originally Posted by Betterblast
The black max is a great fan, but they cost quite a bit. A good alternative are the sealed exhaust fans from TSC farm equipment. Under $300. for wall mount 4000 cfm. I use one with nice results.
Glen. I was going to ask if anyone new of a different fan. Thanks

When I use soda it sticks to the blades of the fan, I think I will make assessable to clean the fans better too
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Old 02-22-2012, 07:42 AM   #18
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Re: Sandblast Rooms And Equipment


Hey Thanks a lot guys. A picture is worth a thousand words as they say. This helped me greatly and I will start on my project for dust control now. I will post pics when done. Thanks again for your help!
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Old 02-22-2012, 11:52 AM   #19
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Re: Sandblast Rooms And Equipment


Quote:
Originally Posted by flyboy1964 View Post
Hey Thanks a lot guys. A picture is worth a thousand words as they say. This helped me greatly and I will start on my project for dust control now. I will post pics when done. Thanks again for your help!
Agreed, that gives me some ideas.. I have been trying to figure out what to do with the dust. And I thought the only way we were going to deal with it was to spend thousands on a dust collector system.

Thanks for the pics.. This site is awesome! I only wish people would post more pics.

P.S. When I first saw that pic, I thought that was all dust, and just about @#$% myself..

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Old 02-22-2012, 06:12 PM   #20
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Re: Sandblast Rooms And Equipment


Not dust, snow...
It makes blasting so much fun.!

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