Title:
CONTROL METHOD, PROGRAM, CONTROLLER OF BOILER GROUP, AND BOILER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/036725
Kind Code:
A1
Abstract:
Provided is a control method, program and controller of a boiler group which can supply steam stably even if the combustion state is changed in a boiler group consisting of a plurality of boilers including boilers having a turndown ratio different from that of other boilers, and also provided is a boiler system. A program for controlling a boiler group including a plurality of boilers which increase/decrease the amount of combustion step by step and having boilers configured so that the differential evaporation amount which is increased or decreased when the combustion position is shifted by one step is different from that of other boilers is characterized in that, when the total evaporation amount obtained by summing the evaporation amounts of boilers that are during combustion among the boiler group or a physical quantity corresponding to the total evaporation amount is maintained for a predetermined time, the combination of the boilers to be used for combustion among the boiler group and the combustion positions thereof is changed while maintaining the total evaporation amount within a predetermined range.
Inventors:
MIURA, Koji (7, Horie-cho, Matsuyama-sh, Ehime 96, 〒7992696, JP)
Application Number:
JP2009/004880
Publication Date:
March 31, 2011
Filing Date:
September 25, 2009
Export Citation:
Assignee:
MIURA CO., LTD. (7 Horie-cho, Matsuyama-shi, Ehime 96, 〒7992696, JP)
三浦工業株式会社 (〒96 愛媛県松山市堀江町７番地 Ehime, 〒7992696, JP)
三浦工業株式会社 (〒96 愛媛県松山市堀江町７番地 Ehime, 〒7992696, JP)
International Classes:
F22B35/00
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