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Title:
METHOD FOR RECOVERING HEAT OF MOLTEN SLAG
Document Type and Number:
Japanese Patent JP2013139344
Kind Code:
A
Abstract:

To provide a method for recovering heat of molten slag capable of obtaining high-temperature heat recovery gas by recovering heat from molten slag generated in a blast furnace.

In this method for recovering heat, molten slag generated in a blast furnace is solidified, and the solidified slag S is supplied into a heat recovery device 13, and heat recovery gas G is supplied simultaneously into the same device 13, to thereby recover heat of the solidified slag S through the gas G, wherein combustion exhaust gas discharged from a hot blast stove 14 is used as the heat recovery gas G.


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Inventors:
SHIGAKI NOBUYUKI
KABEYA KAZUHISA
KUROKI TAKASHI
Application Number:
JP2011289724A
Publication Date:
July 18, 2013
Filing Date:
December 28, 2011
Export Citation:
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Assignee:
JFE STEEL CORP
International Classes:
C04B5/00; C21B3/08; F27D15/02; F27D17/00
Domestic Patent References:
JPS56165890A1981-12-19
JPS6141884A1986-02-28
Foreign References:
EP1083236A12001-03-14
Attorney, Agent or Firm:
Kenji Sugimura
Yamaguchi Yusuke
Kengo Yoshida



 
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