Set a funnel in a large, clean bottle that has a screw cap. Add the confectioners sugar and tap it into the bottle. Add the rum, brandy, peach schnapps, black tea and lemon juice. Close the bottle and shake vigorously. Add the water and shake again. Seal and refrigerate the punch until cold. Serve the punch in the bottle, letting guests pour it into tumblers; garnish the drinks with orange peels.