Title:
MONOLITHIC REFRACTORY
Document Type and Number:
WIPO Patent Application WO/2019/049815
Kind Code:
A1
Abstract:
The purpose of the present invention is to improve the thermal shock resistance of a monolithic refractory containing magnesia. Provided is a monolithic refractory which comprises, relative to 100 mass% of a refractory material, 15-50 mass% inclusive of a magnesia material having a particle diameter of 1 mm or more, 2-15 mass% inclusive of a fine alumina powder having a particle diameter of 1-10 μm inclusive, and 1-8 mass% inclusive of an ultrafine silica powder having a particle diameter of less than 1 μm, wherein, when the content of the magnesia material having a particle diameter of 1 mm or more is referred to as A mass%, the content of a magnesia material having a particle diameter less than 1 mm is A/10 mass% or less (including 0) relative to 100 mass% of the refractory material.
Inventors:
TSUJI YOUICHI (JP)
KAMIO HIDETOSHI (JP)
HOSOGI RYOUTA (JP)
KAMIO HIDETOSHI (JP)
HOSOGI RYOUTA (JP)
Application Number:
PCT/JP2018/032553
Publication Date:
March 14, 2019
Filing Date:
September 03, 2018
Export Citation:
Assignee:
KROSAKIHARIMA CORP (JP)
International Classes:
B22D11/10; C04B35/66; B22D41/54; C21C7/072; C21C7/10
Foreign References:
| JP2000247753A | 2000-09-12 | |||
| JP2003171183A | 2003-06-17 | |||
| JPH11293313A | 1999-10-26 | |||
| JPS59232973A | 1984-12-27 |
Other References:
YOSHIZAWA, HIRONORI: "Concrete using silica fume as admixture", EARTH & ECO CONCRETE MAGAZINE, vol. 2008, 2008, pages 66 - 67
Attorney, Agent or Firm:
EIWA PATENT FIRM (JP)
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