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Title:
RAW MATERIAL COAL DRYING AND CLASSIFYING DEVICE
Document Type and Number:
Japanese Patent JP2012091087
Kind Code:
A
Abstract:

To provide a raw material coal drying and classifying device selecting a steel product consisting of a component attaining both stress corrosion cracking resistance and rust resistance via a rusting property indicating parameter as a material of a dispersion plate.

In the raw material coal drying and classifying device for forming a fluidized bed within a fluidized drying zone, a classifying zone with gas ejected from a gas chamber 13 via the dispersion plate 11 to dry and classify the raw material coal in the fluidized bed, the dispersion plate 11 and/or a lining plate formed on side walls of the fluidized drying zone, the classifying zone are/is constituted of a steel sheet containing Ni of 1-6%, Mn of 1-6%, Cu of 0.05-0.8% in mass%, and consisting of Fe and inevitable impurities as its balance.


Inventors:
TAKAHASHI AKIRA
YAMAMURA YUICHI
KATO KENJI
NAGASAWA SHIN
MATSUHASHI AKIRA
Application Number:
JP2010239048A
Publication Date:
May 17, 2012
Filing Date:
October 25, 2010
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
B07B7/01; C10B57/08; C22B1/16; C22C38/00; C22C38/16; C22C38/58; F23K1/04; F26B3/08; F26B17/10; F26B25/12
Domestic Patent References:
JPS6220587A1987-01-29
JP2000126687A2000-05-09
JP2008264657A2008-11-06
JP2008208452A2008-09-11
JP2002363704A2002-12-18
JPH08134538A1996-05-28
JPH1183319A1999-03-26
JPH11106872A1999-04-20
JPS6220587A1987-01-29
JP2000126687A2000-05-09
Attorney, Agent or Firm:
Nobuyuki Hayashi
Yasuhiko



 
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