NDLI: Manufacturing and Construction, Operation of Karita PFBC 360 MW Unit

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Koike, Junichi Nakamura, Shinobu Watanabe, Hajime Imaizumi, Tsuyoshi
Copyright Year	2003
Abstract	Pressurized Fluidized Bed Combustion Combined Cycle Power Generation, namely, PFBC is the clean coal technology, utilizing gas turbine and steam turbine, which is high efficient and friendly to earth. In early 90’s, 70 MW class PFBCs had started demonstration and commercial operation all over the world. Kyushu Electric Power Company (KyEPCO) decided to apply this technology as the real commercial unit, the world largest capacity 360MW, and put into commercial operation in July 2001. To apply PFBC to the large-scale commercial plant, it is essential to demonstrate the higher efficiency than any other conventional coal firing units. In order to achieve this, the gas turbine with higher operation pressure and advanced supercritical steam condition for steam turbine were applied. The reduction by size and weight of the equipment is the vital must to realize large scale PFBC, as 360MW unit. To reduce the pressure vessel size, the unique design of hexagon furnace was applied to install it efficiently in smaller vessel. The plant has started commercial operation in July 2001 and has well demonstrated PFBC’s technology advantages as planned. It achieved the efficiency, 41.8% as net value based on HHV, which is the highest level among existing coal fired power plants. It also verifies smooth operation, 3%L/min of Load following capability, 3 hours of hot start-up, that is comparable to conventional pulverized coal fired unit.
Sponsorship	Advanced Energy Systems
Starting Page	15
Ending Page	19
Page Count	5
File Format	PDF
ISBN	0791836800
DOI	10.1115/FBC2003-039
e-ISBN	0791836754
Conference Proceedings	17th International Conference on Fluidized Bed Combustion
Language	English
Publisher Date	2003-05-18
Publisher Place	Jacksonville, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Construction Firing Fluidized bed combustion Vessels Combined cycles Steam turbines Pressure Electricity (physics) Stress Design Gas turbines Furnaces Pressure vessels Weight (mass) Coal Steam Energy generation Power stations Manufacturing Clean coal technology
Content Type	Text
Resource Type	Article

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