河道淤泥生产烧结砖的基础研究.pdfVIP

学兔兔 全国中文核心期刊 钎鲤建 粉 河遒淤泥生产烧结砖昀基础研究 王智宇 ，翁晶晶’，屠浩驰 ，李陆宝 ，王小山 (1．浙江大学 材料科学与工程学系，浙江 杭州 310027； 2．宁波荣山新型材料有限公司，浙江 宁波 315800) 摘要：以宁波市甬江、奉化江、余姚江(三江)河道淤泥为原材料，进行制备烧结砖的基础研究。分析了lO个不同采样点淤泥的 矿物组成、粒径分布、重金属含量等基本的物化性能，结果表明，宁波市三江河道淤泥属黏土质粉状料，矿物成分虽然复杂，但并没 有较大波动，初步认定可以作为替代生产黏土实心砖的原料。最后探讨了利用三江河道淤泥制备的烧结砖性能，进～步验证三江河 道淤泥作为原材料制各烧结砖的可行性，且确定最佳烧结温度为800℃，强度等级达到MU20。 关键词：河道淤泥；烧结砖；x射线衍射；烧结温度 中图分类号：TU522．1 1 文献标识码：A 文章编号：1001—702X(2010)06—00．24—03 Basic research on manufacturing sintered bricks from river silt WANG 西 ，WENG Jin~inf，TU Haochi1,LI Lubao ，WANG Xiaoshan (1．Department of Materials Science and Engineering，Zh~iang University，Hangzhou 310027，Zhejiang，China； 2．Ningbo Rongshan Advanced Materials Co．Ltd．，Ningbo 315800，Zh~iang，China) Abstract：Using the river silt from Ningbo Yong River，Fenghua River and Yuyao River(Sanjiangkou／three rivers mouth)as raw material，the basic research on manufacturing sintered bricks was investigated．The basic physical and chemical properties，in- eluding silt mineral compositions，particle size distribution，and heavy metals content of river silt from 10 different sampling points were analyzed．The results show that Ningbo SanjiangkOH silt is clayey powdery materia1．The mineral compositions are admittedly complicated but no major fluctuations．It is initially determined that Ningbo Sanjiangkou silt call be used as substituted raw mate- rial for preparation of clay solid bricks．Finally，the natures of sintered bricks Inanufactured