I think energy is always a function of fuel and oxygen. You have a lot of fuel and to little oxygen. I have a 10 psi regulator and everything works fine. Turn your fuel way down and open up the plate for more O2. Bottom picture, way to closed. Looks to me like the burner might be to high also. Tune it up in the dark, blue flame, just starting for yellow on the tips,,
Somebody smarter then me will step up,,,