| 配料对焚烧飞灰电弧炉熔渣晶化行为的影响 |
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| 引用本文： | 刘汉桥,魏国侠,梁茵,杨俊兰.配料对焚烧飞灰电弧炉熔渣晶化行为的影响[J].深圳大学学报(理工版),2011,28(6):559-564. |
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| 作者姓名： | 刘汉桥 魏国侠 梁茵 杨俊兰 |
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| 作者单位： | 天津城市建设学院能源与机械工程系,天津,300384 |
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| 基金项目： | 国家自然科学基金青年科学基金资助项目，中国博士后科学基金资助项目 |
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| 摘 要： | 将垃圾焚烧飞灰电弧炉熔融处理后的液态熔渣直接浇铸成型后热处理,运用同步热分析仪、X射线衍射仪和扫描电镜等方法,研究废玻璃和晶核剂(TiO2和Cr2O3)等辅助原料的添加对微晶玻璃晶化行为及性能影响.研究表明,适量掺加废玻璃对微晶玻璃理化性能有显著改善,晶核剂类型及添加比对微晶玻璃主晶相和晶化程度影响较大,微晶玻璃的理想原料配比为m(废玻璃)∶m(垃圾焚烧飞灰)=1∶1,晶核剂TiO2添加质量分数为3%,制成的微晶玻璃主晶相为透辉石Ca(Mg,Al)(Si,Al)2O6和少量普通辉石Ca(Mg,Fe,Al)(Si,Al)2O6,抗弯强度54.96 MPa,主要理化性能达到或优于天然花岗岩和大理石,重金属浸出浓度低于国际建材环保要求限值.
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| 关 键 词： | 废物处理与综合利用 垃圾焚烧飞灰 废玻璃 电弧炉 熔融 微晶玻璃 |
Effects of additive on crystallization behaviour of arc-molten slag from incinerator fly ash |
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| LIU Han-qiao,WEI Guo-xia,LIANG Yin,YANG Jun-lan.Effects of additive on crystallization behaviour of arc-molten slag from incinerator fly ash[J].Journal of Shenzhen University(Science &engineering),2011,28(6):559-564. |
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| Authors: | LIU Han-qiao WEI Guo-xia LIANG Yin YANG Jun-lan |
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| Affiliation: | LIU Han-qiao,WEI Guo-xia,LIANG Yin,and YANG Jun-lan Department of Energy and Mechanics Engineering Tianjin Institute of Urban Construction Tianjin 300384 P.R.China |
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| Abstract: | To deal with the issue of municipal solid waste incineration fly ash,an ash melting treatment technology in combination with electric arc furnace metallurgical processes,was developed.The crystallization behavior of arc-melting slag form waste incineration fly ash was examined by differential thermal analysis(DTA),X-ray diffractometry(XRD),and scanning electron microscopy(SEM).Effects of additive waste glass cullet and nucleating agent on the crystallization behaviour,physical mechanical,and chemical charac... |
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| Keywords: | garbage processing and synthetical utilization waste incineration fly ash waste glass cullet electronic arc-furnace melting glass-ceramics |
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