Title:
PRETREATMENT METHOD FOR ASH FUSING FURNACE
Document Type and Number:
Japanese Patent JP3732429
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for simply removing not only a magnetic inclusion but also a non-magnetic coarse inclusion.
SOLUTION: The method comprises a drying step for conducting a drying treatment of the treated ash, a magnetic screening step for removing the magnetic inclusion from the treated ash that has been subjected to the drying treatment in the drying step, a coarse non-magnetic inclusion removal step for introducing the treated ash in the magnetic screening step into a vertical duct 28 which guides the ash downward and preventing the downward transfer of the coarse inclusion having a predetermined size or more among the inclusions included in the treated ash by an inclined screen 29 installed in the vertical duct 28, and thereby discharging the trapped coarse inclusions outside the vertical duct 28 by sliding it down on the inclined screen 29.
More Like This:
Inventors:
Yamada Mitsuo
Tsuneo Iwamizu
Hitoshi Ogawa
Katsumi Fukuoka
Takeo Kaneko
Yoshitaka Sato
Tsuneo Iwamizu
Hitoshi Ogawa
Katsumi Fukuoka
Takeo Kaneko
Yoshitaka Sato
Application Number:
JP2001267006A
Publication Date:
January 05, 2006
Filing Date:
September 04, 2001
Export Citation:
Assignee:
Kyowa Exio Co., Ltd.
International Classes:
B03C1/00; B09B5/00; B03C1/02; F23J1/00; B03C1/22; B07B1/04; B07B1/12; B07B9/00; B09B3/00; (IPC1-7): B09B3/00; B03C1/00; B03C1/02; B03C1/22; B07B1/04; B07B1/12; B07B9/00; B09B5/00; F23J1/00
Domestic Patent References:
| JP2000334416A | ||||
| JP63167034U | ||||
| JP2880064B2 | ||||
| JP7155737A | ||||
| JP57102245A |
Attorney, Agent or Firm:
Chiharu Shimizu
Yuichi Murakami
Yuichi Murakami