以废瓷粉、广西白泥、碳化硅、硅微粉为主要原料，铝酸钙水泥为结合剂，加适量水配置成耐碱浇注料。通过调整碳化硅的加入量，研究碳化硅对耐碱浇注料性能影响，以及浇注料的耐碱侵蚀机理。结果表明：随碳化硅加入量的增加，试样体积密度、耐压强度和抗折强度呈先增加后降低的趋势，试样表面氧化成一层致密的氧化膜，阻止了碱蒸汽的侵蚀，当碳化硅添加6%~8%，试样的耐碱等级达到一级，耐碱侵蚀能力明显增加。
Alkali resistant castable refractory was prepared using the waste porcelain powder,Guangxi white mud,SiC and silicon powder as main starting materials,and calcium aluminate cement as binder,and adding appropriate amount of water. The effects of SiC addition amount on the properties and corrosion mechanism of alkali resistant castable refractory were studied by adding different amounts of silicon carbide. The results show that as the addition amount of SiC increases,the bulk density, compressive strength and flexural strength of specimens increase first and then decrease,antioxidation film is formed on the surface of the specimen,which restrains the alkali vapor erosion. With 6%-8% SiC,the corrosion level of alkali resistance reaches first?class level,erosion ability increases significantly.
参考文献
| [1] | 白宏光,罗先波.SiC加入量和粒度对耐火浇注料性能的影响[J].水泥,2009(04):9-12. |
| [2] | 马宁,罗旭东,张国栋,刘海啸,栾旭.碳化硅对低水泥结合氧化铝空心球浇注料性能的影响[J].耐火与石灰,2011(06):13-16. |
| [3] | Liu Gengrong.Development of castables for cement kilns in China[A].Japan,Tokyo,1995:275-276. |
| [4] | Bongers U V;Riddll D I;Stradtmann W J.Experience with ba-sic refractories in modern cement kilns[J].Refractories World Cement,1996(12):14-22. |
| [5] | 李艳,袁林,张金龙,曾鲁举,陈雪峰.水泥窑分解系统用含SiC的铝硅质浇注料研究[J].耐火材料,2009(04):281-284. |
| [6] | 徐维忠.耐火材料[M].北京:冶金工业出版社,1992:177. |
| [7] | 李燕红,杨彬,王新福.添加物对铝碳耐火材料防氧化涂料抗氧化性能的影响[J].耐火材料,2009(05):350-353. |
| [8] | 周永欣,马斌,吕振林.粒度对SiCp/Al复合材料组织及耐磨性的影响[J].兵器材料科学与工程,2011(03):18-20. |
| [9] | 王冬冬,王刚,孙小飞,凌亚平,丁书强,李红霞.纳米孔莫来石陶瓷材料的制备[J].无机化学学报,2012(03):491-494. |
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