Hi Dkish , I think your forge will work to start, I recommend to experiment with making your own burner.
This month I finished my gas forge and y had to say that the key is the burner, I spent a lot of hours searching and learning about propane forges from Ron reil's page and then start building my own of EZ burner , it takes three attempts to susefull (it take an whole year of experience ) but the results pay the effort. I put the burner in mi experimental fire brick forge and the result surprise me, a very good forge .
So the forge it self is the easy part, it can be whatever you can afford, the best and more insulating material the best but the heart is the burner, and de iddle system. Here some photos