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Patent Searching and Data


Title:
FLUIDIZED BED PYROLYSIS METHOD AND PYROLYSIS FUENACE AS WELL AS TREATING DEVICE FOR MATTER TO BE BURNT
Document Type and Number:
Japanese Patent JPH10306907
Kind Code:
A
Abstract:

To provide a fluidized bed pyrolysis method and a pyrolysis furnace as well as a treating device for matters to be burnt, which are capable of recovering valuable metals in a fluidized bed pyrolysis furnace while restraining the oxidation of the valuable metals.

In a single tower type fluidized bed pyrolysis furnace 11, fluidizing medium FD is filled into a furnace equipped with a gas dispersing plate 112 in the bottom part thereof and gas is sent from the lower part of the gas dispersing plate 112 to fluidize the fluidizing medium FD while matters to be burnt are supplied into the fluidized bed under fluidized condition to gasify through pyrolysis. Such a fluidized bed pyrolysis furnace 11 is provided with a means for sending gas, containing no oxygen or the concentration of oxygen therein is low, from the lower part of the gas dispersing plate 112, and a blow tube 116, provided above the gas dispersing plate 112 at a position apart from the dispersing plate 112 by a predetermined distance to blow air or gas containing oxygen.


Inventors:
Minoura, Tadayuki
Yaso, Itaru
Application Number:
JP1997000115793
Publication Date:
November 17, 1998
Filing Date:
May 06, 1997
Export Citation:
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Assignee:
KOBE STEEL LTD
International Classes:
F23G5/027; B09B3/00; F23C10/18; F23G5/30; F27B15/10; (IPC1-7): F23G5/027; B09B3/00; F23C11/02; F23G5/30; F27B15/10
Attorney, Agent or Firm:
小谷 悦司 (外2名)