发明名称 Manufacturing method for Multi functional mixed cement comprising fly ash and Device therefor
摘要 <p>PURPOSE: Provided is a manufacturing method of blended cement with longtime strength, low hydration heat, high watertightness and high chemical resistance by mixing cement, fly ash and organic admixture. CONSTITUTION: The multifunctional blended cement for repairing and reinforcing structures like dam and tunnel is prepared by substituting 10-13pts.wt. of cement like Portland cement or blast furnace slag with dried pozzolan fly ash having Blaine fineness of 4000-6000cm2/g, wherein the fly ash is composed of 95-98wt.% of fly ash, 0.3-1.2wt.% of sodium sulfate, alkali activator and 1.7-3.8wt.% of air entraining agent and fluidizing agent based on lignin sulfonate or naphthalene. The manufacturing equipment contains the parts of: a first(10) and a second(10a) storing tank for keeping Pozzolan fly ash or kiln dust and discharging; a classifying unit(20) enabling cement and dried materials(ash) to fine and compress; a third storing tank(30) for keeping additives such as alkali activator, air entrainer and fluidifier separately, and discharging; a mixing unit(40, 40a) for mixing fined materials(cement and ash) with additives; a fourth storing unit(50) for remixing raw materials and discharging.</p>
申请公布号 KR100514472(B1) 申请公布日期 2005.09.13
申请号 KR20030020080 申请日期 2003.03.31
申请人 发明人
分类号 C04B18/08;(IPC1-7):C04B18/08 主分类号 C04B18/08
代理机构 代理人
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