Operation results of the IHI flue gas desulfurization system for the no. 1 boiler at Reihoku Power Station of Kyushu Electric Power Co., Inc.

被引:1
|
作者
Inoue, H [1 ]
机构
[1] Ishikawajima Harima Heavy Ind Co Ltd, Power Plant Div, Air Pollut Control Design Dept, Koto Ku, Tokyo 1358733, Japan
关键词
fossil fuel fired power generation; optimal control; environmental engineering;
D O I
10.1299/jsmeb.41.1023
中图分类号
O414.1 [热力学];
学科分类号
摘要
The IHI flue gas desulfurization system was completed for a new 700 MW coal-fired 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.
引用
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页码:1023 / 1028
页数:6
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