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Old 01-23-2019, 11:27 AM   #1 (permalink)
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Anybody know about Dry Ice blasting to clean

Im looking into this for surface cleaning. https://en.wikipedia.org/wiki/Dry-ice_blasting

Anybody have any real world insight?
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Old 01-23-2019, 11:37 AM   #2 (permalink)
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Used to use it here for cleaning molds and machines used for making foam products (cleaned off the release wax and cured foam). Worked well and didnt destroy the molds/equipment, issue was slow (machine we have has a maybe 1.5" round cleaning blast) and pain to get dry ice when we needed it. We went back to using a cleaning solution.
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Old 01-23-2019, 11:37 AM   #3 (permalink)
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It's loud and does a nice job of cleaning what your pointing it at. Everything around said object gets covered in what ever got blasted of it.

We use it on our Weld fixtures, Mills etc here at work. 30 feet away looks like it's covered in Fly shit.
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Old 01-23-2019, 11:40 AM   #4 (permalink)
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What are you trying to clean?

We subcontract out bit of this work for industrial cleaning (Commercial Heat Treat shop). It's my preferred method of getting nasty stuff cleaned up. No water to mess up electronics, and can be as forceful or gentle as needed and in the end, you just have a pile of stuff to sweep up. Everything from cleaning old paintings to blasting 1" of oil crap built up on heavy equipment.

We use these folks where I work at:
https://starrco2.com/

If you are looking at units, Cold Jet is supposedly one of the better brands to rent/use/buy.
https://www.coldjet.com/en/index.php

Hope that helps.

Edit to Add: You shouldn't have crap blown everywhere if you have a good operator. It's just like any other type of blasting where if you don't pay attention to what you're doing, you can spray stuff everywhere. The nice thing about the Dry Ice is that the media disappears whereas other media (Sand, walnut, etc) just gets blown everywhere in the shop.
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Old 01-23-2019, 11:42 AM   #5 (permalink)
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We had a company come in a few months ago and clean our rafters. There are open gears nearby so we didnt want anything pressure washed. They did a good job.
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Old 01-23-2019, 11:49 AM   #6 (permalink)
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The nice thing about the Dry Ice is that the media disappears whereas other media (Sand, walnut, etc) just gets blown everywhere in the shop.
Can't you reuse sand/walnut for other blasting jobs? Dry Ice wouldn't be reusable. Interested in this as well and other alternatives to sand blasting.
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Old 01-23-2019, 11:53 AM   #7 (permalink)
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We had a company come in a few months ago and clean our rafters. There are open gears nearby so we didnt want anything pressure washed. They did a good job.
I've seen it used for that. Worked really well.
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Old 01-23-2019, 11:55 AM   #8 (permalink)
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used dry ice to remove seam sealer in race cars prior to cage install and seam welding.

seen it used to media blast race cars too, not as abrasive as sand, probably more like walnut shell. You still have the removed material to clean up, but at least no media to clean up. Thought it required a special machine or at least adapter to work properly.
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Old 01-23-2019, 12:08 PM   #9 (permalink)
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I will be using it in a food production facility. On a weekly basis. Contractual obligation prohibits me from saying more than that.

Preventing water damage is a huge plus.
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Old 01-23-2019, 12:59 PM   #10 (permalink)
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My dad does machine repair for a large-ish peoduction machine shop,they had a company that specialized in dry ice blasting come in to clean up a few used broaching machines before they set them up for production.

He said it did an excellent job knocking off the grease, dirt, and oils without damaging the equipment and he also said that the cleanup from the blasting was WAY easier to do than pressure washing or dry/wet media blasting.
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Old 01-23-2019, 08:37 PM   #11 (permalink)
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Quote:
Originally Posted by wolfe_man View Post
Used to use it here for cleaning molds and machines used for making foam products (cleaned off the release wax and cured foam). Worked well and didnt destroy the molds/equipment, issue was slow (machine we have has a maybe 1.5" round cleaning blast) and pain to get dry ice when we needed it. We went back to using a cleaning solution.
Yup, unless you have a steady demand/order the dry ice can be a pain to get. If you do not get the right size/type it will not work right. But it is not abrasive and does clean.

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It's loud and does a nice job of cleaning what your pointing it at. Everything around said object gets covered in what ever got blasted of it.

We use it on our Weld fixtures, Mills etc here at work. 30 feet away looks like it's covered in Fly shit.
Stupid loud, and messy, but as stated if you point at it; it gets clean. but just that spot. got to be very meticulous on the cleaning pattern.

Quote:
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My dad does machine repair for a large-ish peoduction machine shop,they had a company that specialized in dry ice blasting come in to clean up a few used broaching machines before they set them up for production.

He said it did an excellent job knocking off the grease, dirt, and oils without damaging the equipment and he also said that the cleanup from the blasting was WAY easier to do than pressure washing or dry/wet media blasting.
Clearly he did not have to clean it up.
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Old 01-23-2019, 10:59 PM   #12 (permalink)
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I will be using it in a food production facility. On a weekly basis. Contractual obligation prohibits me from saying more than that.

Preventing water damage is a huge plus.
Must be a top secret Cheetos factory???
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Old 01-24-2019, 04:08 AM   #13 (permalink)
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I use to dry ice blast, its loud but works really good. Make sure you can ground it well, because the static buildup will knock your dick off

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Old 01-24-2019, 04:24 AM   #14 (permalink)
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Can't you reuse sand/walnut for other blasting jobs? Dry Ice wouldn't be reusable. Interested in this as well and other alternatives to sand blasting.

I've tried to re-claim this stuff before, the success rate is depending on the type of material your blasting ,its very hard to get the contamination out of the media...I'm talking of a total loss blast , not in a cabinet..( it needs to be a spec size to get through the gun ) We have a huge steel shot booth (20" wide x 30" deep ) it has conveyers and with a separator to recycle but any garnet or glass bead is just sweeped up and tossed out (different booth).
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Old 01-24-2019, 04:41 AM   #15 (permalink)
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We had/have these for cleaning tire molds without removing them from the press. They work great. Earplugs AND muffs- no joke. Loud is an understatement.
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Old 01-24-2019, 04:49 AM   #16 (permalink)
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Yup, unless you have a steady demand/order the dry ice can be a pain to get. If you do not get the right size/type it will not work right. But it is not abrasive and does clean.



Stupid loud, and messy, but as stated if you point at it; it gets clean. but just that spot. got to be very meticulous on the cleaning pattern.



Clearly he did not have to clean it up.

So why is it more messy? I would have assumed it would be quite cleaner.
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Old 01-24-2019, 10:00 AM   #17 (permalink)
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Clearly he did not have to clean it up.
Well considering he's 3rd in seniority right behind the top 2 execs I'm going to venture a guess that Dad hasn't been behind the controls of a shovel or broom in a couple of weeks at least

As for the easier cleanup from the way it was described to me, it was more of a statement about overall amount of material that needed cleaned up.

Although I am working with second hand information here so my accuracy may be off a bit.

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Old 01-24-2019, 10:12 AM   #18 (permalink)
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We had/have these for cleaning tire molds without removing them from the press. They work great. Earplugs AND muffs- no joke. Loud is an understatement.
We do too.
I am not sure where they get the dry ice, it comes in small pellets.
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Old 01-24-2019, 10:16 AM   #19 (permalink)
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I’ve had them come in and start that shit when I’m working on industrial coffee roasters that are down. The flying debris and noise is ridiculous.
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Old 01-24-2019, 10:20 AM   #20 (permalink)
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I have worked in 2 places where we used dry ice in rice form for cleaning.
One was for washing food grade processing equipment, the other washing nasty undersides of rail cars.
It works great in an industrial setting.

Bonus, the little dry ice rice chips are great in your cooler for quickly chilling your beer.
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Old 01-24-2019, 10:22 AM   #21 (permalink)
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We do too.
I am not sure where they get the dry ice, it comes in small pellets.
Ours uses the 50lb blocks, grinds it like a shaved ice machine. I'll say this... the 20oz dasani water bottle holds the most pressure before letting go compared to all other vending machine drink containers. So if you're looking to get a supervisor to shit his pants... go with dasani.
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Old 01-24-2019, 11:12 AM   #22 (permalink)
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Can't you reuse sand/walnut for other blasting jobs? Dry Ice wouldn't be reusable. Interested in this as well and other alternatives to sand blasting.
Quote:
Originally Posted by Mopar Moe View Post
I've tried to re-claim this stuff before, the success rate is depending on the type of material your blasting ,its very hard to get the contamination out of the media...I'm talking of a total loss blast , not in a cabinet..( it needs to be a spec size to get through the gun ) We have a huge steel shot booth (20" wide x 30" deep ) it has conveyers and with a separator to recycle but any garnet or glass bead is just sweeped up and tossed out (different booth).
As Mr. Moe mentioned, it is application specific. Generally it doesn't seem to be worth while to try to reclaim the media for use later on.
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Old 01-24-2019, 12:41 PM   #23 (permalink)
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Ours uses the 50lb blocks, grinds it like a shaved ice machine. I'll say this... the 20oz dasani water bottle holds the most pressure before letting go compared to all other vending machine drink containers. So if you're looking to get a supervisor to shit his pants... go with dasani.
Try wrapping the bottle in duct tape first.
The plant manager put a stop to those when he told us he would call the law if it happen again.
Ours will use the blocks too but they found the pellets worked better. I do not remember why.
I am not one of the ones that use the machine, I work in production in curing.
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