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Patent Searching and Data


Title:
CONNECTING TUBE FOR FLUIDIZED BED REDUCTION FURNACE
Document Type and Number:
Japanese Patent JPH09194921
Kind Code:
A
Abstract:

To provide a connecting tube, in which particles are not intruded, as the connecting tube for a fluidized bed reduction furnace.

The tip end part of the connecting tube 12 inside the fluidized bed reduction furnace is formed as a cylindrical shape sealing porous state tip part, and a flange 17 is arranged outside the furnace of the connecting tube 12, and this connecting tube is connected with a connecting tube 18 at the outside of the furnace. In the connecting tube 18 at the outside of the furnace, a purge pipe 20 for purging the tip end is arranged and a stop valve 21b for shutting off a pressure sensor at the time of purging to constitute the connecting tube in the fluidized bed reduction furnace.


Inventors:
EGASHIRA TATSUHIKO
Application Number:
JP776596A
Publication Date:
July 29, 1997
Filing Date:
January 19, 1996
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
C21B11/00; C21B13/00; F27B15/18; (IPC1-7): C21B13/00; C21B11/00; F27B15/18
Attorney, Agent or Firm:
Masashi Kobori (1 person outside)