抗氧化剂对铁沟浇注料性能影响的研究

耐火与石灰 ›› 2024, Vol. 49 ›› Issue (2): 6-9.

抗氧化剂对铁沟浇注料性能影响的研究

（1. 河北国亮新材料股份有限公司，唐山　063000；
2. 华北理工大学河北省无机非金属材料重点实验室，唐山　063000）

出版日期:2024-04-10 发布日期:2024-03-28

Study on the effect of antioxidants on the properties of hot metal runner castables#br#

（1. Hebei Guoliang New Materials Co.，Ltd.，Tangshan 063000, China；
2. Key Laboratory of Inorganic Non-metallic Materials of Hebei Province，
North China University of Science and Technology，Tangshan 063000，China）

Online:2024-04-10 Published:2024-03-28

摘要/Abstract

摘要： 介绍了以棕刚玉、活性氧化铝、水泥、硅微粉、球沥青为主要原料制备了ASC（Al2O3-SiC-C）铁沟浇注料，
研究不同抗氧化剂对浇注料各性能的影响。结果表明：对于抗氧化性及高温抗折强度，抗氧化剂DT1400N 效果好于碳
化硼粉，碳化硼粉好于碳化硅微粉，碳化硅微粉好于325 目金属硅粉和200 目金属硅粉；对于常温抗折强度、耐压强度，
碳化硅微粉、碳化硼粉及DT1400N 的效果相当，325 目金属硅粉和200 目金属硅粉稍差；对于中高温抗折强度、耐压强度，
由于抗氧化能力的提高，坯体因氧化疏松而减轻，抗氧化剂DT1400N 效果好于碳化硼粉，碳化硼粉好于碳化硅微粉，
碳化硅微粉好于金属硅粉。根据试验研究结果，添加新型抗氧化剂DT1400N 的铁沟浇注料，其使用效果最佳。

关键词: 抗氧化剂, 铁沟浇注料, 抗氧化性, 抗折强度, 耐压强度

Abstract: This paper introduces the ASC (Al2O3-SiC-C) hot metal runner castables prepared with
brown corundum, activated alumina，cement，silica powder and spherical asphalt as the main raw
materials. The effects of different antioxidants on the properties of the castables were studied. The
results indicate that: DT1400N has a better effect on oxidation resistance and high-temperature
bending strength than that of the boron carbide powder，the effect of boron carbide powder is better
than that of the silicon carbide powder，and the effect of silicon carbide powder is better than that of
325-mesh metal silica powder and 200-mesh metal powder. For bending and compressive strength at
ambient temperature，the effects of silicon carbide powder，boron carbide powder，and DT1400N
are equivalent，but the effects of 325-mesh metal silica powder and 200-mesh metal silica powder are
slightly worse. For bending and compressive strength at medium to high temperature，because of better
antioxidant ability，the weight of the body is reduced due to oxidation porosity. The effect of DT1400N
is better than that of boron carbide powder，the effect of boron carbide powder is better than that of
silicon carbide powder，and the effect of silicon carbide micro powder is better than that of metal silica
powder. According to the experimental research results，the hot metal runner castables with the addition
of DT1400N has the best effect.

Key words: Antioxidant, Tot metal runner castables, Antioxidant activity, Bending strength,
Compressive strength

中图分类号:

TQ175.12

王文寰　张宏进　杨　强　李德民, 　杨连弟. 抗氧化剂对铁沟浇注料性能影响的研究[J]. 耐火与石灰, 2024, 49(2): 6-9.

Wang Wenhuan　Zhang Hongjin　Yang Qiang　Li Demin, 　Yang Liandi. Study on the effect of antioxidants on the properties of hot metal runner castables#br#[J]. REFRACTORIES & LIME, 2024, 49(2): 6-9.

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