Carbonation on secondary fermentation.

Hi there. I'm using a corny keg for primary fermentation and for secondary. I just transfer to secondary and purged with co2 till it was sealed properly. I would like to carbonated as is on secondary. I build a spudging valve and don't quite know how to go about it.

 

I havent tried it, but some homebrewers cut a couple inches off of the dip tube in their corny keg to use as a fermenter. That way, you can transfer the beer off of the sediment. You could also prime the beer in a keg, but I personally just hook up the gas and let it sit.