Internal Circulation Fluidized Bed Boiler Consecutively Ordered for South Korea

Jul. 09, 2015

Tokyo, July 9, 2015 — Kawasaki Heavy Industries, Ltd. announced today that it has received an order for an Internal Circulation Fluidized Bed Boiler (ICFB) from GS Engineering & Construction Co., Ltd., a world class EPC contractor based in Seoul, South Korea.

The boiler, which burns Refuse Derived Fuel (RDF) for power generation and heat supply, will generate about 50 tons of high-temperature, high-pressure steam per hour.  The boiler will be installed at a new waste-to-energy facility to be built. The facility includes RDF production facility and steam/power generation facility to utilize waste material effectively, and is scheduled to become operational by Daejeon Metropolitan City, South Korea, in 2017.

Kawasaki's ICFB can burn solid fuel made from refuse and waste plastic, including corrosive materials and environmental pollutants, as well as various waste materials and sludge. This boiler features combustion and heat recovering cells that are divided into separate partitions. This internal structure allows the fuel and bed materials to circulate from the combustion cell to the heat recovering cells by varying the velocity of airflow. This design contributes to controlling temperature of the fluidized bed and protects the heat exchanger tubes from corrosion caused by chlorine and other gases, thus enabling highly efficient and reliable plant operation.

This is the third and consecutive  order  in South Korea following Jeonju Paper Project received in December, 2014, and has been awarded based on the recognition of Kawasaki’s proven track record, high performance for contract fulfillment and the superior technology of the two ICFBs delivered in Japan, and one delivered abroad.

South Korean government has implemented the Renewables Portfolio Standard (RPS) in 2012 with the aim of promoting the development and use of new renewable energies, including biomass and waste materials. Under the system, power suppliers that sell electricity beyond a certain amount are mandated to supply new renewable energies corresponding to a fixed percentage of the total electricity they generate. Demand for boilers with highly efficient and reliable operation that can burn biomass and waste materials is thus expected to grow in South Korea.

With demand for energy growing around the globe, waste power generation is attracting considerable attention, and orders for similar types of boiler are expected to increase further. Kawasaki will continue to promote the sale of ICFBs for both the domestic and global market.

Structure of the combustion chamber
Structure of the combustion chamber


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