METHOD FOR OPERATING BOILER IN COAL-FIRED POWER GENERATION FACILITY

Title:

METHOD FOR OPERATING BOILER IN COAL-FIRED POWER GENERATION FACILITY

Document Type and Number:

WIPO Patent Application WO/2018/150542

Kind Code:

A1

Abstract:

The present invention provides a method for operating a boiler in a coal-fired power generation facility in which an increase in clinker can be inhibited. This method for operating a boiler 40 in a coal-fired power generation facility 10 includes: a first combustion step ST11 for burning a first coal having an alkali metal content and an alkaline earth metal content that fall within a first range; and a second combustion step ST12 for burning a second coal having an alkali metal content and an alkaline earth metal content that fall within a second range that is a content range higher than the first range. Preferably, the first combustion step and the second combustion step are repeated alternately two or more times.

Inventors:

KIYONAGA EIJI (JP)
HIKINO KENJI (JP)
MORITA KEIICHIRO (JP)

Application Number:

PCT/JP2017/005929

Publication Date:

August 23, 2018

Filing Date:

February 17, 2017

Export Citation:

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Assignee:

CHUGOKU ELECTRIC POWER (JP)

International Classes:

F23K1/00; F22B35/00; F23N1/00

Foreign References:

JP2007315636A	2007-12-06
JPS62174295A	1987-07-31
JPS6365956A	1988-03-24
JPH08200604A	1996-08-06
JP2001263647A	2001-09-26
JPH09178157A	1997-07-11
JP2007255809A	2007-10-04
JP2015025582A	2015-02-05