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I made a fume box! (Patreon)

Published:
2018-05-08 07:08:52
Imported:
2021-10

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Fume Box

Help me make videos by donating here: https://www.patreon.com/CodysLab Follow me on Facebook: https://www.facebook.com/codydonreeder SubReddit: https://www.reddit.com/r/codyslab/

Comments

Anonymous

Nice! I recently used a cardboard box with a PC fan and a small LED panel to make a small fume hood for electronics soldering.

Anonymous

Nice! Happy to see you improving your safety. However, should the power board be at the top on the inside of the box? It seems like it could be a potential hazard if something splashes to the roof of the box. I would have put it on the outside but near the entrance instead, that way you can feed power into the box for any heating or stirring apparatus you might need.

CodysLab
>>12162375

yeah I'm going to move it, if anything its hard to reach with the door down.

Anonymous

You may want to tile it with some ceramic tiles... or get some thin sheet metal to cover the inside with.

Ben Hemphill

Do you think the exhaust pipe/squirrel cage will rust out? Probably too much to powder coat, but maybe spray rubber could increase longevity?

Anonymous

Great job with the fume cupboard Cody! 👏👏 I look forward to new experiments with the cupboard and all the chemicals. That going to be so interesting!

Silviu T
>>12162668

Agree with that. It looks like galvanized pipe. Zinc coating won't last long when exposed to nitrogen dioxide, chlorine etc.

Silviu T
>>12162562

Vinyl sheets should be enough, they are fairly resistant to chemicals, also easy and cheap enough to replace if they get really degraded.

Blair Harrison

nice job :) all i could think with that blower was "and here is how we vent the fumes directly to the annoying neighbors garage" :)

Anonymous

Good job Cody. I do have one issue with the current design though: The fluorescent lighting. My main concern is the TERRIBLE spectral distribution, which would throw off the colours of your reactions and products (especially terribly with things that are fluorescent themselves, such as some of the rare earths). A second but much more minor problem, since the probability of it is very low, is that fluorescent lighting has high-voltage circuitry which could pretty easily spark over and cause an ignition risk. Please consider replacing the lighting with either high-CRI (and without the spectral hole around 485nm) LEDs or, more practically, an incandescent halogen lamp.

Anonymous

Cool being responsible with the NO2 gas finally Cody!

Anonymous

Hi Cody. You may want to consider adding a vertical chimney outside to get the fumes a bit higher. Also, check out the inline mufflers sold by McMaster-Carr. I have one on my woodworking dust collection system and it works amazingly well to reduce blower noise.

Silviu T
>>12164917

Except for the part where it's vented directly outside the window. A scrubbing canister with sodium carbonate or bicarbonate should absorb NO2, other acid fumes and halogens pretty well.

Anonymous

I see a bit of a vortex, maybe cutting the intake pipe flush could help with that. But overall it's a fantastic upgrade.

Brian Reddeman

At first I thought this was a terrible design but actually its not bad at all. Sure its not a formal lab fumehood but it gets the job done. At some point the fan will need to be replaced but probably not for a long time depending on use. Be interested in seeing how you make your filter.

Christopher Woolley

I'm thinking a table under the hood so you do not have to bend over to use it. good job on doing it on the cheap. You could build a recessed light for it looks like you should have some of that plexiglass left to separate it . maybe seal the seams also.