No one has ever explained to me why recirculation ports have such a long tube on the interior. In other words, in that picture, is this assumed to work better than if the copper tube had not been inserted into that elbow fitting? If so, why?
If the wort came straight out of the elbow fitting, the turbulence at the end said fitting would make for a bit of mess with the dynamic of a whirlpool. The basic idea is to give the pipe the right curve for the liquid to follow in the same direction.
What I DO find strange is that the pick-up tube at the bottom is dead-center, which is exactly where the hops bits + hot break will end up. Sure, the liquid will make it just fine from the side into the pick-up tube, but the logic...
MC
Yeah, it could be. The fact that I built the same based on a 7-barrel system leads me more to believe that it's a recirc, but it could also be a mash return. I based myself on a system similar as this. (the whirlpool inlet is quite low on that one)
MC
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