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:
Aug. 04, 2020

Filed:

Jun. 22, 2016
Applicant:

Mitsubishi Hitachi Power Systems, Ltd., Yokohama-shi, Kanagawa, JP;

Inventors:

Masayuki Taniguchi, Yokohama, JP;

Akira Baba, Yokohama, JP;

Koji Kuramashi, Yokohama, JP;

Shota Ishii, Yokohama, JP;

Assignee:

MITSUBISHI HITACHI POWER SYSTEMS, LTD., Yokohama-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D 1/02 (2006.01); F23D 1/00 (2006.01);
U.S. Cl.
CPC ...
F23D 1/02 (2013.01); F23D 1/00 (2013.01); F23D 2201/10 (2013.01); F23D 2201/20 (2013.01); F23D 2900/01001 (2013.01);
Abstract

A solid fuel burner is provided with a nozzle that is provided around the central axis of the burner, that includes a straight tube section having an opening opposed to a furnace, and a curved tube section continuous with the straight tube section, and that sprays out, from the opening to the furnace, a fluid mixture which is of a solid fuel and carrier gas of the solid fuel and which is flowing in the curved tube section; a first swirler that gives the fluid mixture a swirl at the burner central axis side of the straight tube section; and a second swirler that gives, at the burner central axis side downstream of the first swirler, the fluid mixture a swirl opposite to that given by the first swirler.


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