I bent a piece of pipe to deliver back to the tun. Inside the tun I had a piece of silicone tubing to deliver wort on to of the mash, but not so it delivered directly down.
Like I said before...sorry..don't know what to say. I crash after FG is reached plus another 11-18 days roughly, and spunding psi never drops... And I finish with perfect carbonation...Yay for me Hunh? :)
I find that gelatin works very well for me clear down to 30f. Polished in 3 days. However....I'm starting to think that the gelatin is stripping a lot of aromatics...
Your process sounds close to mine. Except that I'm using a hop spider in the kettle and want to let my hops run free. I'm thinking of using my wort grant (it has a false bottom) between the BK and the pump, and attempting to catch hops before chilling.