JSME International Journal Series B Fluids and Thermal Engineering
Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054
Operation Results of the IHI Flue Gas Desulfurization System for the No.1 Boiler at Reihoku Power Station of Kyushu Electric Power Co., Inc.
Hiroo INOUE
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1998 Volume 41 Issue 4 Pages 1023-1028

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Abstract

The IHI flue gas desulfurization system was completed for a new 700 MW coalfired boiler in December 1995. The system is now operating very smoothly, achieving a removal efficiency of more than 90% for SO2 and more than 85% for particulates. 100% availability has been maintained so far. Special features of the system are as follows: 1.A simultaneous SO2 and particulates removal absorber with a forced oxidation system is used, which is the largest spray tower ever built in Japan. 2.Two variable pitch axial flow fans are positioned downstream of the absorber(C-Position). 3.Optimum FGD control system is installed to minimize the operating cost for AFC(automatic frequency control) operation of the power plant.

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© The Japan Society of Mechanical Engineers
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