The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 23, 2018

Filed:

Mar. 21, 2013
Applicant:

Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, Hyogo, JP;

Inventors:

Koji Taniguchi, Sakura, JP;

Atsunori Kato, Kawasaki, JP;

Suguru Yabara, Tokyo, JP;

Yutaka Tanabe, Kasukabe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23C 6/04 (2006.01); F23D 1/00 (2006.01); F23C 7/00 (2006.01);
U.S. Cl.
CPC ...
F23C 6/045 (2013.01); F23C 7/004 (2013.01); F23D 1/00 (2013.01); F23C 2201/20 (2013.01); F23C 2900/01001 (2013.01); F23C 2900/06041 (2013.01); F23D 2201/20 (2013.01);
Abstract

A biomass-mixed, pulverized coal-fired burner is provided, capable of burning biomass fuel as auxiliary fuel in large quantities and burning only pulverized coal when the biomass fuel is not sufficiently available. The biomass-mixed, pulverized coal-fired burner includes a biomass fuel jet nozzle that extends axially along the biomass-mixed, pulverized coal-fired burner, a fuel jet nozzle that is open midway in the biomass fuel jet nozzle, a secondary air nozzle that surrounds the fuel jet nozzle, and a tertiary air nozzle that surrounds the secondary air nozzle. A pulverized coal component in a fuel stream as a mixture of the pulverized coal fuel stream and the biomass fuel stream is distributed with a higher concentration on an outer circumferential wall side and a biomass fuel component in the fuel stream is distributed inside of the pulverized coal fuel component.


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