抗侵蚀剂ACAO对无水炮泥性能的影响

Effect of anticorrosive agent(ACAO)on the properties of anhydrous gun mud

制备高炉用无水炮泥的主要原料有电熔刚玉、97碳化硅、焦炭粉、活性氧化铝粉、广西黏土,结合剂为酚醛树脂,抗侵蚀剂ACAO加入比例为0~3%。分析了ACAO的引入量变化对炮泥常温性能及高温性能的影响。结果显示:ACAO引入量增大后,炮泥材料的塑性变差,经300℃处理后,试样的显气孔率逐渐降低,体积密度逐渐升高,强度不断增大;经1 400℃处理后,试样的气孔率逐渐降低,体积密度逐渐升高,强度不断增大,高温抗折强度变好。

The main raw materials for preparing anhydrous gun mud for blast furnaces are fused corundum,97 silicon carbide,coke powder,active aluminum oxide powder,and Guangxi clay,with phenolic resin as the binder,and the addition ratio of anticorrosive agent ACAO is 0~3%.This article analyzes the effect of changes in ACAO dosage on the performances of gun mud under ambient temperature and high temperature.The results show that with the increased addition of ACAO,the plasticity of the gun mud deteriorates.After being processed at 300℃,the apparent porosity of the sample gradually decreases,the bulk density gradually increases,and the strength continuously improves;while after being processed at 1400℃,the porosity of the sample gradually decreases,the bulk density gradually increases,the strength continuously improves,and the high-temperature bending strength gets better.