本文研究了热浇注成型烛状碳化硅多孔陶瓷过滤元件的制备工艺技术,及不同添加剂和含量对过滤元件物理性能的影响.结果表明:采用粘土作为结合剂,加入量为10～15%(质量含量,下同)时,碳化硅过滤元件的显气孔率可达到33～40%,抗压强度达到26～29 MPa,可以满足PFBC、IGCC和煤炭气化系统装置对过滤器气孔率和强度的要求.
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