Title:
HEARTH STRUCTURE FOR ROTARY HEARTH FURNACE
Document Type and Number:
Japanese Patent JP2002350065
Kind Code:
A
Abstract:
To sufficiently ensure strength of a hearth which is made of a castable.
A rotary hearth 2 is constituted of a refractory castable CA and provided with ceramic anchors 9 in an outer peripheral part 21 thereof. The ceramic anchors 9 each have a shape of a pillar and are provided in the peripheral part 21 with an interval therebetween, radially extending from inside towards an upper edge corner part 211 with their tips being close to the outer surface of the corner part 211.
Inventors:
NONOYAMA SEIJI
NISHIKAWA TOSHIHIKO
NISHIKAWA TOSHIHIKO
Application Number:
JP2001156275A
Publication Date:
December 04, 2002
Filing Date:
May 25, 2001
Export Citation:
Assignee:
DAIDO STEEL CO LTD
International Classes:
C21B13/10; F27B9/16; F27B9/34; F27D1/14; (IPC1-7): F27B9/34; F27B9/16; F27D1/14
Attorney, Agent or Firm:
Kenichi Morita