Title:
ROLLER HEARTH KILN
Document Type and Number:
Japanese Patent JP2010236797
Kind Code:
A
Abstract:
To provide a roller hearth kiln effectively preventing deterioration of product characteristics caused by contamination due to a ceiling member, when powder of a positive electrode material of a lithium battery, a fluorescent material and the like is burned under a high temperature burning condition.
In this roller hearth kiln having a roller for transporting a heat treatment object in an in-furnace space surrounded by a ceiling wall, a sidewall and a floor wall, the ceiling wall is composed of alumina-mullite member suspended and supported from an upper part of the ceiling wall by a suspending member made of alumina, and a rod-shaped heater for heating the in-furnace space is disposed on a floor wall side with respect to the roller.
Inventors:
KUWAYAMA HIROSHI
ITO MICHIHIRO
ITO MICHIHIRO
Application Number:
JP2009085615A
Publication Date:
October 21, 2010
Filing Date:
March 31, 2009
Export Citation:
Assignee:
NGK INSULATORS LTD
NGK KILNTECH CORP
NGK KILNTECH CORP
International Classes:
F27B9/34; F27B9/36; F27D1/00; F27D1/04; F27D1/14; F27D3/12; F27D11/02
Attorney, Agent or Firm:
Tatsuo Watanuki
Fumio Yamamoto
Yukine Sekine
Fumio Yamamoto
Yukine Sekine