Dessicant and fan for drying rebreather loop

[justinthedeeps]

Desiccant beads sound smart for longer term storage. I think gun people do that too. Probably even more effective than heating rods etc (store in a 'cool, dry place?')

Don't spill thousands of them onto the floor like I did, they don't sweep well (now double mesh bagging)

Can 'recharge' the desiccant beads in the oven warming drawer

 

[grantmac]

If we're talking ridiculous builds why not make a "lung" which simply attaches to the mouthpiece and has desiccant in it to pump air around the loop?

 

[happy-diver]

Like a dedicated vacuum cleaner on blow slow, not gunna do it but I like it

 

[broncobowsher]

I can dry the inside of my drysuit with a single computer fan (low noise 4" that doesn't move much air) ducted through 1½" pvc will dry the inside of my drysuit after washing it. A little airflow will do wonders without adding other complications.

 

[rjack321]

The Desiccant bill might turn into the most expensive part of maintaining the rebreather. The stuff is for picking out water vapor, not liquid drops.

A dehumidifer in the basement with the loop hoses hanging nearby would be more useful than a rube goldberg CCR drier

 

[justinthedeeps]

Would fans blow additional dust and spores into the loop etc? Does it need to be HEPA?

 

[broncobowsher]

Would fans blow additional dust and spores into the loop etc? Does it need to be HEPA?

Some of the basements I have been in, I should probably be breathing off the loop instead of the air in the basement. Others I have no issue with.

 

[telemonster]

Will prolonged exposure to desiccant harm the o2 sensors?

I have used desiccant in my pelican case with my unit when storing it to hold back any mold issues, but didn’t think about cells it at the time.

I use normal fan to drive air thru the two hoses and counterlungs and it takes maybe 8 hours to dry those plus the slobber sponge but have always thought about a drying rig myself.

 

[stretchthepenn]

Here's an idea... Build an enclosed fan-plus-desiccant box that will fit where your DSV/BOV goes. That solution would avoid wear on one-way flappers.

 

[the_one_who_waits]

put it in a bag of rice? ¯\_(ツ)_/¯