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Title:
WASTE TREATMENT PLANT, AND ITS CONTROL METHOD
Document Type and Number:
Japanese Patent JP3664885
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To improve the responsiveness to the change in the power generation output in a waste treatment plant.
SOLUTION: A drying process is provided with a first hopper 11, a pusher 14 and a drier 16. A pyrolysis process is provided with a second hopper 18, a pusher 19, and a pyrolysis furnace 22. A melting process which is a final treatment process of wastes is provided with a third hopper 24, a rotary feeder 26 and a melting furnace 40. A power generation output controller 280 obtains the drive quantity of the rotary feeder 26 according to the required power generation output, a third hopper level controller 130 obtains the drive quantity of the pusher 19 according to the detected value of the accumulation level in the third hopper 24, and a second hopper level controller 170 obtains the drive quantity of the pusher 14 according to the detected value of the accumulation level in the second hopper 18.


Inventors:
Hiroshi Matsumoto
Akira Yamada
Norio Arashi
Toshiaki Arato
Hideaki Utsuno
Application Number:
JP23047298A
Publication Date:
June 29, 2005
Filing Date:
August 17, 1998
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F01K3/22; F01K27/02; F23G5/00; F23G5/027; F23G5/04; F23G5/14; F23G5/46; F23G5/50; (IPC1-7): F23G5/50; F01K3/22; F01K27/02; F23G5/00; F23G5/027; F23G5/04; F23G5/14; F23G5/46
Domestic Patent References:
JP10122526A
Attorney, Agent or Firm:
Sanshin Iwao