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Title:
ASPHALT FILLER PRODUCING FURNACE
Document Type and Number:
Japanese Patent JP2002323210
Kind Code:
A
Abstract:

To produce an asphalt filler producing furnace, in which the incinerated ash of properties, suitably used as asphalt filler can be generated by incinerating sewage sludge.

A fluid bed incinerator 1 for incinerating sewage sludge is provided with a high-temperature part 6 for heating the generated incinerated ash at 850 to 950°C to produce spherical products. The fluid bed incinerator 1 may be a circulation type fluid bed incinerator or a non-circulation type fluid bed incinerator. The incinerated ash collected by a dust collector 11 is supplied to a classifier 12, and only the products having a prescribed particle size or smaller are taken out as the asphalt filler. The fluid bed incinerator 1 may have a CaO adding means 8.


Inventors:
Nakazato, Takuji
Katagiri, Akira
Yoshida, Shuichi
Ikeda, Yuichi
Application Number:
JP2001000129514
Publication Date:
November 08, 2002
Filing Date:
April 26, 2001
Export Citation:
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Assignee:
NGK INSULATORS LTD
JAPAN INSTITUTE OF WASTEWATER ENGINEERING TECHNOLOGY
International Classes:
F23J1/00; C04B14/02; C04B18/10; F23C10/00; F23G5/30; F23G7/04; F27B15/12; F27D17/00; (IPC1-7): F23G5/30; C04B14/02; C04B18/10; F23C10/00; F23G7/04; F23J1/00; F27B15/12; F27D17/00
Attorney, Agent or Firm:
綿貫 達雄 (外2名)