Title:
HEARTH STRUCTURE OF ROTARY HEARTH FURNACE
Document Type and Number:
WIPO Patent Application WO/2010/101231
Kind Code:
A1
Abstract:
Provided is the hearth structure of a rotary hearth furnace wherein the hearth can be freely deformed thermally in response to temperature change during operation, e.g. heating or cooling, and stable operation can be ensured by reducing the load applied to the hearth joint. The hearth structure of a rotary hearth furnace has an annular hearth (110) mounted on an annular rotary frame (100), and a floor board (130) laid on the upper surface of the hearth. The hearth and the floor board consist, respectively, of a plurality of hearth components (111) and floor board components (131) formed in circular arc. A predetermined clearance is provided, respectively, between the adjoining hearth components and floor board components, the hearth component (111) and the rotary frame (100) are connected at one spot by means of a fixing component (121), and a direction regulation component (122) for regulating the direction of thermal elongation of the hearth component (111) is provided.
Inventors:
HASHIMOTO Sumito (())
橋本 澄人 (())
UMEKI Takao (())
橋本 澄人 (())
UMEKI Takao (())
Application Number:
JP2010/053587
Publication Date:
September 10, 2010
Filing Date:
March 04, 2010
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO (10-26, Wakinohama-cho 2-chome Chuo-ku, Kobe-sh, Hyogo 85, 〒6518585, JP)
株式会社神戸製鋼所 (〒85 兵庫県神戸市中央区脇浜町二丁目１０番２６号 Hyogo, 〒6518585, JP)
HASHIMOTO Sumito (())
橋本 澄人 (())
株式会社神戸製鋼所 (〒85 兵庫県神戸市中央区脇浜町二丁目１０番２６号 Hyogo, 〒6518585, JP)
HASHIMOTO Sumito (())
橋本 澄人 (())
International Classes:
F27B9/16; C21B13/10; F27B9/32
Attorney, Agent or Firm:
OGURI Shohei et al. (Eikoh Patent Firm, Toranomon East Bldg. 10F 7-13, Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)