Title:
PULVERULENT FUEL BURNER
Document Type and Number:
Japanese Patent JP2023160352
Kind Code:
A
Abstract:
To provide a pulverulent fuel burner that can improve ignitability even if a fire-retardant pulverulent fuel such as a petroleum residue fuel is directly supplied from a pulverizer.SOLUTION: A pulverulent fuel burner is installed in a combustion chamber of a boiler, and comprises: a cylindrical air-fuel mixture conveying pipe 51 through which an air-fuel mixture made by mixing a pulverulent fuel and conveying air is conveyed, and for injecting the air-fuel mixture into the combustion chamber from a tip; a turning blade 64A installed at the tip of the air-fuel mixture conveying pipe 51; and a rod-like central flow inhibition part 62A installed on a central axis 5a of the air-fuel mixture conveying pipe 51 upstream of the turning blade 64A in the conveying direction of the air-fuel mixture, and comprising a cylindrical surface extending in the direction of the central axis concentrically with the air-fuel mixture conveying pipe 51.SELECTED DRAWING: Figure 5
Inventors:
MUTO SADAYUKI
YAHARA SHUN
NIWA AKIHIRO
YAHARA SHUN
NIWA AKIHIRO
Application Number:
JP2022070676A
Publication Date:
November 02, 2023
Filing Date:
April 22, 2022
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD
International Classes:
F23C1/00; F23D1/02
Attorney, Agent or Firm:
Ariko Patent Office