Title:
HORIZONTAL ROTARY DRYER FOR COAL, COAL BOILER PLANT, AND METHOD FOR OPERATING COAL BOILER PLANT
Document Type and Number:
WIPO Patent Application WO/2012/111378
Kind Code:
A1
Abstract:
[Problem] To provide a horizontal rotary dryer for coal, which is capable of changing powdered coal to be removed according to coal type.
[Solution] A horizontal rotary dryer for coal is provided with a rotating cylinder (10) which has a supply port (41) for coal (C1) and a blowing port (41) for carrier gas (G1) on one end side and has a discharge port (50) for dried coal (C2) and exhaust gas on the other end side, a heating means (11) which heats the coal (C1) in the rotating cylinder (10), and a classification hood (55) which covers the discharge port (50), has a fixed discharge port (57) for the dried coal (C2) in a bottom part (55d), and has a fixed exhaust port (57) for the exhaust gas (G2) in a top part (55u). Said horizontal rotary dryer for coal is provided with an upward flow generation means (58) for generating an upward flow within the classification hood (55), and a flow rate control means (14) for controlling the flow rate of the upward flow, and discharges part or all of powdered coal in the dried coal (C2) from the fixed exhaust port (56) by the upward flow.
Inventors:
NOGUCHI TAKAYUKI (JP)
KIMURA TOSHIYUKI (JP)
KATAOKA MASAKI (JP)
KIMURA TOSHIYUKI (JP)
KATAOKA MASAKI (JP)
Application Number:
PCT/JP2012/051056
Publication Date:
August 23, 2012
Filing Date:
January 19, 2012
Export Citation:
Assignee:
TSUKISHIMA KIKAI CO (JP)
NOGUCHI TAKAYUKI (JP)
KIMURA TOSHIYUKI (JP)
KATAOKA MASAKI (JP)
NOGUCHI TAKAYUKI (JP)
KIMURA TOSHIYUKI (JP)
KATAOKA MASAKI (JP)
International Classes:
F26B17/32; C10L9/08; F23K1/00; F26B21/00
Domestic Patent References:
| WO2010084984A1 | 2010-07-29 |
Foreign References:
| JPH01107480U | 1989-07-20 | |||
| JPH0314584U | 1991-02-14 |
Attorney, Agent or Firm:
NAGAI, YOSHIHISA (JP)
Yoshihisa Nagai (JP)
Yoshihisa Nagai (JP)
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Claims: