Title:
溶融ガス化炉に微粉炭材を吹込む溶鉄製造装置及びその溶鉄製造方法
Document Type and Number:
Japanese Patent JP4970256
Kind Code:
B2
Abstract:
The present invention relates to an apparatus for manufacturing molten irons by injecting fine carbonaceous materials into a melter-gasifier and a method for manufacturing molten irons using the same. The method for manufacturing molten irons according to the present invention includes steps of reducing mixtures containing iron ores in a reduction reactor and converting the mixtures containing iron ores into reduced materials, preparing lumped carbonaceous materials containing volatile matters as a heating source for melting the reduced materials, charging the lumped carbonaceous materials into a dome-shaped upper portion of a melter-gasifier and forming a coal packed bed, preparing fine carbonaceous materials containing volatile matters as a heating source for melting the reduced materials, injecting oxygen and the fine carbonaceous materials into the coal packed bed through a tuyere installed in the melter-gasifier, charging the reduced materials into the melter-gasifier connected to the reduction reactor and manufacturing molten irons, and supplying reducing gas in the melter-gasifier made from volatile matters contained both in the lumped carbonaceous materials and the fine carbonaceous materials to the reduction reactor.
Inventors:
Kwon Young-Chol
Furnam-Suku
Park Young-do
Kim Hack-Don
Furnam-Suku
Park Young-do
Kim Hack-Don
Application Number:
JP2007523485A
Publication Date:
July 04, 2012
Filing Date:
July 29, 2005
Export Citation:
Assignee:
POSCO
International Classes:
C21B11/02; C21B13/00; C21B13/02; C21B13/14
Domestic Patent References:
| JP2003531963A | ||||
| JP58174511A | ||||
| JP1319620A | ||||
| JP2002508809A | ||||
| JP11315310A | ||||
| JP6128617A | ||||
| JP325542U |
Foreign References:
| WO2004057042A1 |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune