晶核剂P_2O_5对CaO-Al_2O_3-SiO_2系黄磷炉渣微晶玻璃析晶的影响
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摘要
采用熔融法以自然冷却黄磷炉渣为主要原料,P_2O_5为晶核剂,制备了黄磷炉渣微晶玻璃。利用X射线衍射仪(XRD)、差热分析(DTA)和扫描电子显微镜(SEM)等分析技术手段,探究了晶核剂P_2O_5(以KH_2PO_4的形式引入)对黄磷炉渣微晶玻璃晶化行为及物化性能的影响规律。结果表明:黄磷炉渣基础玻璃的析晶峰温度Tp及析晶活化能E随着P_2O_5晶核剂的增加呈现先减小后增大的趋势;当晶核剂P_2O_5加入量达到4wt%时,黄磷炉渣基础玻璃的析晶峰温度Tp及析晶活化能E最小,析晶效果最优,物化性能最优;主晶相硅灰石(CaSiO_3)并不随着晶核剂P_2O_5加入量的增大而发生改变,同时能够促进晶相氟磷灰石(Ca_5(PO_4)_3F)生成。
The CaO-Al_2O_3-SiO_2( CAS) glass-ceramics were prepared by melting method using natural cooling yellow phosphorus furnace slag as main material and P_2O_5 as nucleation agent. The effect of P_2O_5 on the crystallization and properties of glass-ceramics has been studied by differential thermal analysis( DTA),X-ray diffraction( XRD),scanning electron microscope( SEM) and so on. The results show that the crystallization peak temperature Tpand crystallization activation energy E of yellow phosphorus furnace slag basic glass firstly increase and then decrease with the content of P_2O_5 increase,when the content of P_2O_5 is 4 wt%,the crystallization activation energy E of yellow phosphorus furnace slag basic glass is minimum,the effect of crystallization and physical and chemical properties are the best. The main crystalline phase of the type is also Wollastonite(CaSiO_3) with the content of P_2O_5 increase. At the same time,the increase of P_2O_5 can promote the produce of Fluorapatite(Ca_5(PO_4)_3 F).
The CaO-Al_2O_3-SiO_2( CAS) glass-ceramics were prepared by melting method using natural cooling yellow phosphorus furnace slag as main material and P_2O_5 as nucleation agent. The effect of P_2O_5 on the crystallization and properties of glass-ceramics has been studied by differential thermal analysis( DTA),X-ray diffraction( XRD),scanning electron microscope( SEM) and so on. The results show that the crystallization peak temperature Tpand crystallization activation energy E of yellow phosphorus furnace slag basic glass firstly increase and then decrease with the content of P_2O_5 increase,when the content of P_2O_5 is 4 wt%,the crystallization activation energy E of yellow phosphorus furnace slag basic glass is minimum,the effect of crystallization and physical and chemical properties are the best. The main crystalline phase of the type is also Wollastonite(CaSiO_3) with the content of P_2O_5 increase. At the same time,the increase of P_2O_5 can promote the produce of Fluorapatite(Ca_5(PO_4)_3 F).
引文
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[23]邓磊波,张雪峰,李保卫,等.Ca F2对CAMS系矿渣微晶玻璃析晶特性及抗腐蚀性能的影响[J].材料导报,2016,(18):128-133.
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[26]杜永胜,张红霞,陈华,等.高性能铁磁性微晶玻璃析晶机理及磁性研究[J].人工晶体学报,2015,44(2):459-463.
[2]陆雷,王浩,隋普辉,等.晶核剂对锂锌硅系微晶玻璃析晶及显微结构的影响[J].人工晶体学报,2009,38(2):510-514.
[3]覃扬颂,王重华,黄小凤,等.熔融态黄磷炉渣的综合利用现状[J].化工进展,2012,31(10):2319-2323.
[4]Chen J,Zhao B,Wang X,et al.Cemented Backfilling Performance of Yellow Phosphorus Slag[J].International Journal of Minerals,Metallurgy,and Materials,2010,17(1):121-126.
[5]Su Y,Li G B,Xia J P.Kinetic Study of Fe Removal from Precipitated Silica Prepared from Yellow Phosphorus Slag[J].The Canadian Journal of Chemical Engineering,2009,87(4):610-613.
[6]刘红盼,黄小凤,马丽萍,等.Ti O2对自然冷却黄磷炉渣微晶玻璃析晶行为的影响[J].人工晶体学报,2014,43(06):1561-1567.
[7]罗果萍,于文武,王艺慈,等.P2O5对包钢高炉渣微晶玻璃析晶行为的影响[J].硅酸盐通报,2013,32(2):283-288.
[8]蔚川乐,耿铁,吴珍珍,等.玻璃析晶行为的研究概述[J].科技创新与生产力,2016,(09):108-110.
[9]尚志标,黄小凤,马丽萍,等.复合晶核剂Ca F2和P2O5对黄磷炉渣微晶玻璃晶化行为影响[J].人工晶体学报,2016,45(12):2838-2844.
[10]吴守平,田清波,王锐.晶核剂P2O5对Li2O-Zn O-Si O2微晶玻璃析晶性能的影响[J].建筑技术开发,2011,(1):23-25.
[11]田清波,徐丽娜,岳雪涛,等.P2O5对Ca O-Mg O-Al2O3-Si O2系微晶玻璃析晶的影响[J].人工晶体学报,2008,37(1):208-212.
[12]黄小凤,尚志标,马丽萍,等.不同气氛下自然冷却黄磷炉渣析晶动力学研究[J].硅酸盐通报,2016,35(11):3790-13795.
[13]Yang Z,Lin Q,Xia J,et al.Preparation and Crystallization of Glass-ceramics Derived from Iron-rich Copper Slag[J].Journal of Alloys&Compounds,2013,574(27):354-360.
[14]Kissinger H E.Variation of Peak Temperature with Heating Rate in Differential Thermal Analysis[J].Journal of research of the National Bureau of Standards,1956,57(4):217-221.
[15]Kissinger H E.Reaction Kinetics in Differential Thermal Analysis[J].Analytical chemistry,1957,29(11):1702-1706.
[16]贵永亮,谢春帅,宋春燕,等.高炉渣微晶玻璃研究进展与展望[J].中国陶瓷,2016,(03):1-5.
[17]唐绍裘,梁忠军.Cr2O3、Zr O2、P2O5、Ti O2晶核剂对锑炉渣玻璃陶瓷微晶化过程的影响[J].陶瓷研究,1992,(03):133-139.
[18]韩陈.含氟、磷Li2O-Al2O3-Si O2微晶玻璃的析晶机制研究[D].杭州:浙江大学,2006.
[19]Mukherjee D P,Das S K.Influence of Ti O2,Content on the Crystallization and Microstructure of Machinable Glass-ceramics[J].Journal of Asian Ceramic Societies,2015,4(1):55-60.
[20]Zheng W,Cui J,Sheng L,et al.Effect of Complex Nucleation Agents on Preparation and Crystallization of Ca O-Mg O-Al2O3-Si O2,Glassceramics for Float Process[J].Journal of Non-Crystalline Solids,2016,450:6-11.
[21]曹建尉,梁开明,李要辉.五氧化二磷对磷渣微晶玻璃烧结行为的影响[J].硅酸盐学报,2008,36(10):1467-1471.
[22]张雪峰,魏海燕,欧阳顺利,等.Ca O-Mg O-Al2O3-Si O2系微晶玻璃复合晶核剂的优化及其对结构与性能的影响[J].人工晶体学报,2015,44(7):1905-1911.
[23]邓磊波,张雪峰,李保卫,等.Ca F2对CAMS系矿渣微晶玻璃析晶特性及抗腐蚀性能的影响[J].材料导报,2016,(18):128-133.
[24]崔茂林.玻璃工艺学[M].北京:中国轻工业出版社,1993.
[25]周琦,王枫成,南雪丽,等.碱金属氧化物对镍渣微晶玻璃性能的影响[J].兰州理工大学学报,2010,36(6):17-20.
[26]杜永胜,张红霞,陈华,等.高性能铁磁性微晶玻璃析晶机理及磁性研究[J].人工晶体学报,2015,44(2):459-463.
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