Title:
TRIPLE LAYERED SINGLE ENDED RADIANT TUBE AND METHOD OF HEATING THEREWITH
Document Type and Number:
Japanese Patent JP2001182912
Kind Code:
A
Abstract:
To prevent the break of an outer tube by reducing thermal stress caused by thermal gradient between the lower part of a radiant tube contacting liquid to be heated and the upper part of an outer tube in a single ended radiant tube.
The thermal gradient generated to the outer tube can be reduced by forming a tripe layered single ended radiant tube which is provided with the bottomed cylindrical outer tube and one closed and made of ceramic and a ceramic inner tube extending from a main body part into the outer tube and arranged with a ceramic short tube shorter than those of the outer tube and the inner tube between the outer tube and the inner tube.
Inventors:
MOCHIZUKI YOICHIRO
SAKAI YUKIFUMI
OTA KAZUO
SAKAI YUKIFUMI
OTA KAZUO
Application Number:
JP36581799A
Publication Date:
July 06, 2001
Filing Date:
December 24, 1999
Export Citation:
Assignee:
TOSHIBA CERAMICS CO
International Classes:
F23D14/12; C22B9/02; C22B9/16; F23C3/00; F27B5/00; (IPC1-7): F23D14/12; F23C3/00
Attorney, Agent or Firm:
Yoshiyuki Matsuyama