Title:
還元処理装置及び還元処理方法
Document Type and Number:
Japanese Patent JP5123571
Kind Code:
B2
Abstract:
To the reduction furnace 2 to which zinc-containing iron oxide or zinc oxide or iron oxide is supplied, there is supplied at least one of ASR, shredder dust of home electric appliances, waste plastics, refuse-derived RDF, RPF, sludge, oil mud, chips of wood, thread debris, rubber debris, and animal and plant residues, as the waste which is effective as the seducing material and functions as the heating material of generating heat necessary for reduction, thus the reduction treatment is performed with the use of the material as the heat source and without using auxiliary fuel, and thereby metallic iron is obtained by the reduction of zinc and/or iron oxide while the reduction of the treatment cost (reduction of the running cost by the amount of not-using auxiliary fuel) being performed.
Inventors:
Nobuo Ehara
Tetsuyama Isshu
Shigeki Kashio
Sato
Tetsuyama Isshu
Shigeki Kashio
Sato
Application Number:
JP2007148492A
Publication Date:
January 23, 2013
Filing Date:
June 04, 2007
Export Citation:
Assignee:
Sumitomo Heavy Industries Ltd.
Osaka Steel Co., Ltd.
Osaka Steel Co., Ltd.
International Classes:
C21B13/10; B09B3/00; C22B7/02; C22B19/30
Domestic Patent References:
| JP2006328451A | ||||
| JP2002241850A | ||||
| JP11001725A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Yoshiki Kuroki
Shiro Terasaki
Yoshiki Kuroki