Do you want to base camp or camp somewhere different each day? We always base camp, you can reach every trail and be back in time for dinner from one location.
If you don't already have it, get Charles Wells' book for the area. It is very good for planning your day and gives a good description of the trails.
Alpine Loop itself can be done in a day easily. You can string together Corkscrew, Hurricane, stop at Lake Como, and California with a stop in Animas Forks ghost town.
Some people put together Black Bear and Imogene but I have never done them together. I usually do one or the other and then Ophir or loop around on the paved roads.
If you search for "greater alpine loop" you will find a map that shows all of the trails in the area.