Production Technology Features of Fused-Cast Baddeleyite-Corundum Refractory

被引：1
|
作者：
Sokolov, V. A. [1 ,2 ]
Gasparyan, M. D. [2 ]
Kiryukhin, V. V. [2 ]
机构：
[1] Natl Univ Sci & Technol, Moscow Inst Steel & Alloys MISiS, Moscow, Russia
[2] Innovat Technol Ctr SPETsKEROKOM LLC, Podolsk, Moscow Oblast, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2020年 / 60卷 / 06期
关键词：
fused-cast baddeleyite-corundum refractories (FCBCRs); glass-melting furnace; electric-arc furnace; corrosion resistance; glass-phase precipitation temperature; bubble-forming index; oxidative melting;
D O I：
10.1007/s11148-020-00403-5
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The main technological indicators and factors for improving the quality and economic efficiency of fused-cast baddeleyite-corundum refractory production are given. Materials with high corrosion resistance, glass-phase precipitation temperatures above 1450 degrees C, and minimal tendency to precipitate defects in the molten mass could be produced by optimizing the BC-33 refractory composition while observing the mass ratios ZrO2 :SiO2 = 2:1 and SiO2 :Na2O >= 12. Such quality indicators are achieved only if oxidative melting of the refractories is used, including arc-melting of the charge and gas-air treatment of the melt.
引用
收藏
页码：543 / 547
页数：5
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