When first installing the excellent cyclone from Cyclone central, I was a bit concerned about how to avoid stressing the plumbing and plastic joints whenever the box needed to be removed for emptying. I didnt want to use flexible couplings cos they offer much more resistance to air flow than rigid tube, so decision no. 1 was to fix the cyclone permenantly. So how to remove the drop box ?
What I came up with was a box within a box, where the inner box can be removed for emptying.
The outer box has a neoprene type door weather seal around it to take up any irregularities, and is fixed in the first instance by 4 toggle clamps :
These just hold things in place, the main seal is due to the vacuum in the box which pulls everything tightly closed.
Since taking these pics, I've added wheels to the removable box so I can "wheelbarrow" it outside for emptying. Works very well.
The above pics are from my old workshop, but the same unit is now installed at Rue-Darnet, here's a view of the whole :