BURNER TIP, COMBUSTION BURNER, AND BOILER

PROBLEM TO BE SOLVED: To improve combustibility by enhancing mixing of a fluid fuel and a spray medium in a mixing chamber, with respect to a burner tip, a combustion burner, and a boiler.SOLUTION: A burner tip is provided with a mixing chamber 54 disposed inside, a plurality of mixed fluid injection holes 52 formed on a tip end portion, a plurality of fuel supply passages 57 disposed along the longitudinal direction at a basic end side and supplying a fuel to the mixing chamber 54, a steam supply passage 58 disposed at an outer side with respect to the fuel supply passage 57, in a tip body 41, and supplying steam to the mixing chamber 54 from its outer side, and a guide member 61 disposed at a front side with respect to the fuel supply passage 57 and the steam supply passage 58 in the mixing chamber 54.