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Title:
シャモット質れんが及びその製造方法
Document Type and Number:
Japanese Patent JP6752027
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance durability of a chamotte brick.SOLUTION: A chamotte brick is manufactured by using chamotte as a main raw material, adding water to the same and mixing and molding and then burning them. AlOof 34 to 48 mass% and SiOof 50 to 65 mass% are contained and temperature rise rate, burning temperature and burning time are controlled so that a ratio of a (110) surface of cristobalite to a (210) surface peak strength of mullite in a powder x-ray diffraction is in a range of 0.01 to 0.8 for burning. A close chamotte brick having apparent porosity of 10% or less is obtained and durability such as alkali erosion property or the like is enhanced.SELECTED DRAWING: None

Inventors:
Yuya Tomita
Suzuki Suzuki
Masato Tanaka
Taira Hatsuo
Application Number:
JP2016034660A
Publication Date:
September 09, 2020
Filing Date:
February 25, 2016
Export Citation:
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Assignee:
Kurosaki Harima Co., Ltd.
International Classes:
C04B35/18; F27D1/00
Domestic Patent References:
JP7109129A
JP2001213663A
JP6340471A
JP5567564A
JP4738049B1
Other References:
京田洋 他,各種取鍋レンガの加熱による気孔組織の変化とスラグの浸潤について,耐火物,1975年,Vol.27, No.205,P.83-89、全9頁
Attorney, Agent or Firm:
Eiwa patent office