Title:
IN-COMMON DUCT CORROSION PREVENTING APPARATUS FOR BOILER FACILITY
Document Type and Number:
Japanese Patent JPH09287702
Kind Code:
A
Abstract:
To prevent the low temperature corrosion in a common duct by making it possible to eliminate the lower temperature in the duct than acid dew point or lower.
The discharge side 11b of an exhaust gas recirculating fan 11 partitioned by dampers 13 communicates with the horizontal part 12a of a common duct 12 via an introducing tube 14. Further, the part 12 of the duct 12 communicates with the one suction side 11a of the fan 11 via a discharge tube 16 to feed a predetermined quantity of exhaust gas 7 to the part 12a of the duct 12.
Inventors:
INABA KAORU
Application Number:
JP9676296A
Publication Date:
November 04, 1997
Filing Date:
April 18, 1996
Export Citation:
Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
F23J11/00; F22B31/00; (IPC1-7): F22B31/00; F23J11/00
Attorney, Agent or Firm:
山田 恒光 （外１名）