COMBUSTION CONTROL METHOD FOR GASIFICATION MELTING FURNACE, AND DEVICE THEREOF

Japanese Patent JP2004037049

A

To reduce a load applied to an operator by automatically changing a burning air rate in response to the operating condition of a melting furnace.

When burning the pyrolysis gas generated by purolysis gasifying the thrown refuse in a fluidized bed furnace 2 by using the auxiliary fuel, a flow rate and temperature of the exhaust gas discharged from the melting furnace 3 and the refuse to be thrown into the fluidized bed furnace 2 and an auxiliary fuel rate to be supplied to the melting furnace 3 are detected to compute calorie of the refuse on the basis of the flow rate and temperature of the exhaust gas, and a theoretical air rate to be required to burn and fuse the pyrolysis gas is computed on the basis of the calorie of the refuse and the auxiliary fuel rate to control the combustion air rate to be supplied to the melting furnace 3 on the basis of the theoretical air rate.

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NIKAIDO HIROHISA
ITO TADASHI
SHIMONASHI TAKASHI

JP2002198494A

February 05, 2004

July 08, 2002

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KOBE STEEL LTD

B09B3/00; F23G5/027; F23G5/50; F23G5/00; (IPC1-7): F23G5/50; B09B3/00; F23G5/00; F23G5/027

Etsushi Kotani
Kyuichi Ueki
Muramatsu Toshiro

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