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:
Jun. 30, 2015

Filed:

May. 13, 2009
Applicants:

Chikatoshi Kurata, Chiba, JP;

Kazuhito Yoshikawa, Sakura, JP;

Kazuyoshi Kaizuka, Tokyo, JP;

Koji Taniguchi, Sakura, JP;

Takaharu Asakawa, Zushi, JP;

Noriaki Ishikawa, Tokyo, JP;

Inventors:

Chikatoshi Kurata, Chiba, JP;

Kazuhito Yoshikawa, Sakura, JP;

Kazuyoshi Kaizuka, Tokyo, JP;

Koji Taniguchi, Sakura, JP;

Takaharu Asakawa, Zushi, JP;

Noriaki Ishikawa, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23C 1/00 (2006.01); F23J 1/06 (2006.01); F23K 1/00 (2006.01); F27D 15/02 (2006.01); F23C 5/08 (2006.01); F23J 1/02 (2006.01); F22B 21/00 (2006.01);
U.S. Cl.
CPC ...
F23J 1/06 (2013.01); F23J 2700/001 (2013.01); F23J 2700/002 (2013.01); F27D 15/0266 (2013.01); F22B 21/00 (2013.01); F23C 1/00 (2013.01); F23C 5/08 (2013.01); F23C 2900/01001 (2013.01); F23J 1/02 (2013.01); F23K 2201/1003 (2013.01); F23G 2209/30 (2013.01);
Abstract

A biomass-mixed-firing pulverized coal fired boiler includes: a furnace for burning biomass fuel together with pulverized coal in a mixed state; a pulverized coal burner for supplying the pulverized coal into the furnace; a biomass burner for supplying the biomass fuel into the furnace; a biomass mill for milling the biomass fuel to be supplied to the biomass burner; a dry clinker processing unit provided below the furnace and including a clinker conveyor for carrying ashes discharged from the furnace at a furnace bottom; and a combustion-air supply unit for supplying combustion air toward the ashes discharged at the furnace bottom on the clinker conveyor, thereby to burn an unburned component of the biomass fuel contained in the ashes discharged at the furnace bottom on the clinker conveyor.


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