METHOD FOR THERMALLY DECOMPOSING DIOXIN IN ASH AND DEVICE THEREFOR

Japanese Patent JP3718743

B2

PROBLEM TO BE SOLVED: To efficiently heat ash to a specified temp. and to shorten the time necessary to thermally decompose dioxin.
SOLUTION: This device is provided with a thermal decomposition tank 1, a thermal decomposition chamber 8 furnished at the upper part in the tank 1 and receiving the ash A contg. dioxin and a heating medium B, a screen 5 set at the lower end of the chamber 8 in the tank 1 and separating the ash A and heating medium B and an ash insulating chamber 9 disposed below the screen 5 in the tank 1 and heating the ash A separated by the screen 5 at a specified temp. The heating medium B used in heating the ash A and separated by the screen 5 is discharged to the outside from an outlet 10 at the lower end of the chamber 8 and introduced into the chamber from an inlet 3 at the upper end of the chamber 8 by a heating medium circulating device 18. The medium B is heated by a heater 21 before being introduced into the chamber 8 by the circulating device 18 from the inlet 3.

Katsuya Sasaki
Toru Shimizu
Toshiyuki Okada
Kazuo Nomura
Hirotoshi Shimoda
Minoru Hasegawa
Nagaya Kiichi
Nobuhiro Maeda
Hiroo Akira

JP18956199A

November 24, 2005

July 02, 1999

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Hitachi Zosen Corporation

A62D3/10; A62D3/40; B01J19/00; C07D319/24; B09B3/00; F23J1/00; F28D19/02; A62D101/08; A62D101/22; A62D101/28; (IPC1-7): B09B3/00; B01J19/00; C07D319/24; F23J1/00; F28D19/02

JP4098008A
JP11188337A
JP5228462A
JP5168728A
JP7195053A
JP7116628A
JP7328583A

Einosuke Kishimoto
Moriichi Kishimoto
Akira Watanabe
Norihiko Hibi
Kiyosue Yasuko

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