That’s cool. I recently set up our fireplace so we can quickly transition to cooking on it when needed. Since these pictures were taken I set it up so that the Dutch oven can be raised and lowered from a point outside of the doors on a steel chain. When I was a kid, we used to get 3 to 4 day power outages occasionally, and our entire family would simply move our beds down into the living room and make an adventure out of it. It was great. 
Discussion
Man that’s awesome! If ours was a bit taller I’d totally construct something like that.
There is likely an attachment point you can use up on the center support for your damper. You just have to make sure you do it in a way that doesn’t affect the operation of the flap. One fun thing to do is have a stew pot that is refrigerated or outside much of the time that gets broth, veggies, game meat and other ingredients added to it as it gets consumed, forever changing but always on hand as a hot meal. Sometimes you have to change pots and you just need to be wary of repeated heating and cooling and its effect on bacteria growth. Basic foodsafe principles.
Yeah I like that idea. I’m gonna hang to look up there to see what I can rig up to make that possible