Title:
BURNER TIP, COMBUSTION BURNER, AND BOILER
Document Type and Number:
Japanese Patent JP2018028391
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve combustibility by restraining imbalance of a flow ratio in a plurality of mixed fluid injection holes to reduce a spray particle diameter of fluid fuel in a burner tip, a combustion burner, and a boiler.SOLUTION: A burner tip includes: a mixing chamber 92 provided inside; a plurality of mixed fluid injection holes 84a, 85a, 86a, and 87a having a base end communicating with the mixing chamber 92 and a distal end opened outward, and arranged at predetermined intervals in an axial direction; a fluid fuel supply passage 96 for supplying fluid fuel to the mixing chamber 92; a steam supply passage 95 for supplying steam to the mixing chamber 92; and a guide member 101 for guiding the mixed fluid to the third mixed fluid injection hole 86a arranged at an intermediate position in the axial direction in the mixing chamber 92.SELECTED DRAWING: Figure 1
Inventors:
HASHIGUCHI KAZUAKI
FUJII HIROSHI
YAMANE FUMIYA
FUJII HIROSHI
YAMANE FUMIYA
Application Number:
JP2014259114A
Publication Date:
February 22, 2018
Filing Date:
December 22, 2014
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F23D11/38; F23D11/10
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura
Jun Takamura