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    • 5. 发明申请
    • METHOD FOR PRODUCING MULTI-LAYERED CERAMIC FILTER AND CERAMIC FILTER USING THE SAME
    • 使用多层陶瓷过滤器和陶瓷过滤器的方法
    • WO2004050214A1
    • 2004-06-17
    • PCT/KR2003/002642
    • 2003-12-04
    • CLEAN AIR TECHNOLOGY CORP.KIM, Ki-HoPARK, Hyeong-Jung
    • KIM, Ki-HoPARK, Hyeong-Jung
    • B01D39/00
    • B01D39/2093C04B33/04C04B35/10C04B35/14C04B35/18C04B35/46C04B35/565C04B38/0032C04B38/0615C04B2111/00612C04B2111/00793C04B38/0074C04B38/0605C04B38/0675C04B38/068
    • The present invention relates to a process for preparing a multi-layered ceramic filter comprising the steps of preparing a slurry by mixing ceramic powder selected from the group consisting of silicon carbide, alumina, silimanite, kaolin, silica, titania and siliceous earth, clay, supplementing agent, a binder and a dispersion; supporting the slurry on a support to mold; drying and sintering the molded product; wherein after drying and before sintering, or after sintering, a slurry comprising ceramic powder, supplementing agent, a binder and a dispersion is further coated inside or outside of the molded product, and a ceramic filer prepared by the process. According to the present invention, production cost decreases, preparation is easy, shape can be easily modified and large sized filer can be easily prepared, abrasion resistance and heat resistance of ceramic filer can be remarkably improved, porosity control range can be improved, light-weighted construction with the same heat resistance and abrasion resistance is possible due to cross sections of different shapes, and blocking can be minimized.
    • 本发明涉及一种制备多层陶瓷过滤器的方法,包括以下步骤:通过混合选自碳化硅,氧化铝,硅锰矿,高岭土,二氧化硅,二氧化钛和硅质土的陶瓷粉末,粘土, 补充剂,粘合剂和分散体; 将浆料支撑在模具上; 干燥和烧结成型产品; 其中在干燥之后和烧结之前或烧结后,将包含陶瓷粉末,补充剂,粘合剂和分散体的浆料进一步涂覆在模制产品的内部或外部,以及通过该方法制备的陶瓷过滤器。 根据本发明,制造成本降低,制备容易,可以容易地改性形状,容易制备大尺寸的过滤器,可以显着提高陶瓷过滤器的耐磨性和耐热性,提高孔隙率控制范围, 由于不同形状的横截面,具有相同的耐热性和耐磨性的加权结构是可能的,并且可以最小化阻塞。