Hi So I'm a bit further in the planning phase, and it's now a fact that you can build a pretty good inexpensive closed loop system with a very low budget.
For blowing the air up from the bottom and in order to suck it in at the top, I'll order a box of those cheap CPU chasis fans here: https://www.cclonline.com/product/277876/N51QT/Chassis-Case-Fans/Maplin-80mm... The air duct can be done with... well... an air duct... https://www.ebay.ie/itm/Aluminium-Flexible-Hose-Alloy-Air-Duct-Tube-Flexi-Pi... The perforated aluminum sheets are cheap as hell as well... https://hardware-warehouse.co.uk/Round-Perforated-Anodised-Aluminium-Sheet-1... So are the HEPA filters: https://www.ebay.ie/itm/AREBOS-Hepa-Filter-Staubsauger-Geeignet-fur-Industri...
The only difficult part, which isn't cheap and easy available for sourcing is the globes for the glove box, so I'll probably have to find a way in order to make that myself somehow...
Cheers -lev
On Sunday, April 4, 2021 9:42:42 PM WEST David Lanzendörfer wrote:
Hi So I'm right now tinkering together the GloveBox in FreeCAD. Attached is a little preview. Material wise we're much cheaper than the alternatives found on global supply[1], since I'm using standard aluminum profiles, acrylic glas and other off the shelf materials like perforated aluminum sheets[2], and for the air filtration I will use an inexpensive pump with HEPA filter from eBay[3].
Cheers -lev
[1] https://www.globallabsupply.com/Two-Port-Simple-Closed-Loop-Glovebox-Acrlic -p/2400-2-a.htm [2] https://hardware-warehouse.co.uk/Round-Perforated-Anodised-Aluminium-Sheet-%... 1mm-1m-500mm-1mm [3] https://www.ebay.com/p/19020368277?iid=373004598128