General Category > General Discussion

Worktop dust extractors.

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Paul Hannaby:
Buy a cheap cylinder vacuum from Screwfix and make a collector hood for it.

Twisted Trees:
Pete, this is probably not a good idea, and I probably should deny ever doing it... BUT...

In my other life I fix computers, When it was really cold a couple of winters ago I rigged up a quiet smoke killer from 3 x 120mm computer case fans which move about 60 Cubic foot a minute each, a shoe box, a metal sieve stolen from the kitchen and a bit o 6mm ply to make my work table, I also found a 12 volt power transformer (built into 3  pin plug) that had come from something I had scrapped, probably an old internet router.

Modified post..

Ebay:
Plastic box 5Litre £1.95
https://www.ebay.co.uk/itm/Spacemaster-Clear-Plastic-Storage-Box-Boxes-With-Lids-Removals-House-Home-Garage/391995245245

3 piece metal sieve set £5.83
https://www.ebay.co.uk/itm/STAINLESS-STEEL-FINE-MESH-STRAINER-BOWL-DRAINER-VEGETABLE-SIEVE-COLANDER-SUPER/184035470543

2 x computer 12v fans £10.98
https://www.ebay.co.uk/itm/12cm-120mm-PC-Fan-Cooling-Heat-Sink-Computer-Case-12V-2-Pin-Wire-Black-CPU/254350933659?epid=13037965827&hash=item3b387f3e9b:g:a0kAAOSwKeBdcQCr

12v power supply £4.94
https://www.ebay.co.uk/itm/UK-Plug-DC-12V-2A-AC-Power-Supply-Transformer-Adapter-Converter-Wall-Charger/332842695921

Drill a set of holes slightly smaller than finger size, the size of the fan top and bottom of box. (I only just thought of that! mine had no guard)

Glue the fans inside the box being sure that one blows in and the other out,

Cut some mesh from a sieve put it over the back of the input fan ( dome it for more surface area) as a spark guard

Optional Filter bag on output fan but an old T shirt made into a bag is pretty good as a filter.

Half descent extractor for £23.70, less if you have bits knocking about.

Duncan A:
If you want to do it on the cheap (and don't have a stack of computer fans handy), you could do a lot worse than a bathroom extractor fan with a suitable filter media attached across the inlet.
Kitchen extractor filter papers, felt, glass fibre matting as used by Thor, car air intake filter, vacuum cleaner bag - all would serve to remove dust pretty effectively and could just be vacuumed off to clean them.
Obviously no EU or HSE standards would apply!
Duncan

Bill21:
Any good?

https://www.amazon.co.uk/RIGOGLIOSO-Purifier-Cleaner-Portable-Purifiers/dp/B0798DGPYQ?ref_=s9_apbd_otopr_hd_bw_bDCsV&pf_rd_r=0H9KA329E4HJ22EHCNYM&pf_rd_p=0987fc74-9e73-5f84-8876-2dd218721a93&pf_rd_s=merchandised-search-10&pf_rd_t=BROWSE&pf_rd_i=3147771


https://www.amazon.co.uk/UNbeaten-Purifier-Purifiers-Allergies-Eliminator/dp/B07HHPXDHD?ref_=s9_apbd_orecs_hd_bw_bDCsV&pf_rd_r=0H9KA329E4HJ22EHCNYM&pf_rd_p=27c637a5-a478-5728-b7ec-d34f883ef1f4&pf_rd_s=merchandised-search-10&pf_rd_t=BROWSE&pf_rd_i=3147771

bodrighywood:
Hadn't thoiught to look for purifiers. Thanks. Some good ideas here

Pete

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