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不同阴离子对高阿利特水泥熟料性能的影响
作者:管宗甫 秦守婉 郭随华 陈益民 
单位:中国建筑材料科学研究院 中国建筑材料科学研究院 中国建筑材料科学研究院 中国建筑材料科学研究院 北京100024 郑州大学材料学院 郑州450052  北京100024 郑州大学材料学院 郑州450052  北京100024  北京100024 
关键词:氟磷复合矿化  高阿利特水泥熟料  易烧性  胶凝性 
分类号:TQ172.1
出版年,卷(期):页码:2004,32(3):317-320
DOI:
摘要:
利用化学分析、XRD、物理性能检验等方法研究了在生料中单独及其复合掺加磷、氟、硫对高C3S水泥熟料 (alite richportlandclinker ,ARPC)的易烧性、胶凝性和它们在烧成过程中的挥发性。实验表明 :高温烧成时 ,在ARPC体系中单独掺磷、复合掺加磷与氟、磷与氟硫都有较好的促进烧成、提高强度的作用 ,并且以磷与氟的复合效果最好 ,可显著改善生料易烧性 ,提高熟料各龄期的抗压强度 5MPa以上 ;但磷与硫的复合却对生料易烧性有不利影响 ,熟料强度比对照组样品低 ,这可能与硫的高挥发性有关 ,使得体系中的实际CaO配入量增大。 3种阴离子具有不同的挥发性 ,硫的挥发性较高 ,氟次之 ,磷最低。
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The effects of phosphate, fluoride, sulphur adding individually and the complex adding of these materials on the burnability, cementitious properties of alite-rich portland clinker (ARPC) were studied by means of chemical analysis, XRD and physical properties test. The volatilities of these materials during burning of ARPC were also analyzed. The results indicate that when ARPC is burned at high temperature, the burnability and strength of ARPC can be improved by adding phosphate singly or together with fluoride, or together with fluoride and sulfur. Among these materials, the effect of adding fluoride-phosphate mineralizer is the most obvious one and the compression strength of cement at every hydration age can be increased (over) (5 MPa). On the contrary, the burnability of ARPC would be worse and the strength of cement would be lower when ARPC is burned by adding phosphate compounded with sulfur. Moreover, the volatility of fluoride or phosphate is lower than that of sulfate. Fluoride and phosphate can be used together as one kind of mineralizer during the burning of ARPC at high temperature.
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基金项目:
国家重点基础研究发展规划 (2 0 0 1CB610 70 1)资助项目
作者简介:
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参考文献:
[1] KOLOVOSK ,LOUTSIP ,TSIVILISS ,etal.TheeffectofforeignionsonthereactivityoftheCaO SiO2Al2O3Fe2O3systempartⅠanions[J].CemConcrRes,2001,31(3):425—429. [2] BUACHIR .原料的性能和制备对生料反应性的影响[A].见:第七届国际水泥化学会议论文选集[C].北京:中国建筑工业出版社,1985.25—26.BUACHIR .In:7thInternationalCongressontheChemistryofCement(inChinese).Beijing:ChinaArchitectureBuildingPress,1985.25—26. [3] 王 志,王 波,王军华.P2O5对煤矸石水泥性能的影响[J].山东建材学院学报,1995,9(2):19—25.WANGZhi,WANGBo,WANGJunhua.JShandongInstBuildMater(inChinese),1995,9(2):19—25. [4] 沈 威,黄文熙,闵盘荣.水泥工艺学[M ].武汉:武汉工业大学出版社,1991.79—81.SHENWei,HUANGWenxi,MINPanrong.CementTechnolo gy(inChinese).Wuhan:WuhanUniversityofTechnologyPress,1991.79—81.
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