电石渣激发磷渣-矿渣-水泥复合胶凝材料的性能研究
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摘要
矿渣作为一种工业固废因其优异的火山灰活性得到了广泛的应用,而磷渣作为黄磷工业的固废由于磷的缓凝作用,其利用率依旧较低。以矿渣与磷渣为主要胶凝材料,电石渣为碱激发材料,展开磷渣-矿渣-水泥三元体系胶凝材料的性能研究。结果表明:电石渣的激发效果随磷渣/矿渣质量比的增大而愈加显著;随磷渣/矿渣比例降低,激发体系的早期强度呈增大趋势,而后期强度呈减小趋势;磷渣与矿渣质量比为60∶30时,电石渣激发后材料体系可兼顾早期与后期力学性能。
As a kind of industrial solid waste,blast furance slag has been widely utilized due to its outstanding pozzolanic activity,but as a by-product of yellow phosphorous production,utilization rate of phosphorous slag is low,because residual phosphorous of it has obvious setting retarding effect on cement. Based on blast furance slag and phosphorous slag as the main cementing material,acetylene slag as alkali excitation material,the performance of the cementitious material of phosphorous slag-blast furance slag-cement system was studied. Results show that the excitation effect of acetylene slag increases,the early strength of the excitation system increases,but long-term strength decreases with the increase of quality ratio of phosphorus slag/blast furance slag; when the quality ratio of phosphorous slag/blast furance slag is 60∶ 30,the material system can balance the early and late mechanical properties.
As a kind of industrial solid waste,blast furance slag has been widely utilized due to its outstanding pozzolanic activity,but as a by-product of yellow phosphorous production,utilization rate of phosphorous slag is low,because residual phosphorous of it has obvious setting retarding effect on cement. Based on blast furance slag and phosphorous slag as the main cementing material,acetylene slag as alkali excitation material,the performance of the cementitious material of phosphorous slag-blast furance slag-cement system was studied. Results show that the excitation effect of acetylene slag increases,the early strength of the excitation system increases,but long-term strength decreases with the increase of quality ratio of phosphorus slag/blast furance slag; when the quality ratio of phosphorous slag/blast furance slag is 60∶ 30,the material system can balance the early and late mechanical properties.
引文
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[2]王奋中,曾宪军,王亚平,等.100%电石渣水泥生产线电石渣系统的优化改造[J].中国水泥,2017(11):98-100.
[3]马保国,郝先成,蹇守卫,等.蒸压电石渣粉煤灰砖的制备和性能[J].武汉理工大学学报,2006(2):20-22.
[4]高文元,马铁成.利用粉煤灰水淬矿渣和电石渣生产蒸压砖的研究[J].新型建筑材料,2003(8):35-36.
[5]戴巍.电石渣碳化技术及碳化砖[J].砖瓦,2006(8):32-33.
[6]梁嘉琪.利用电石渣生产碳化砖的工艺与技术[J].砖瓦,2006(5):20-23.
[7]周君生.利用工业废渣制备多微孔胶凝材料的研究[D].南宁:广西大学,2012.
[8]刘红艳,王丽,衣伟,等.利用工业电石渣合成硅酸钙保温材料[J].实验室研究与探索,2010,29(1):9-11.
[9]于乐虎,刘素梅,刘廷海.氯碱企业电石渣和粉煤灰综合利用措施分析[J].内蒙古石油化工,2015(8):49-51.
[10]黄重阳,杨杰,薛俊,等.电石渣-粉煤灰用于高级公路路面基层的研究[J].四川建材,2012,38(6):148-150.
[11]胡维新,章天刚,张效忠.电石渣-粉煤灰新型环保免烧砖的配比及力学性能研究[J].化工新型材料,2011,39(8):84-85.
[12]马保国,穆松,蹇守卫,等.磷渣基复合矿化剂对水泥生料易烧性影响的研究[J].硅酸盐通报,2007,26(1):80-83.
[13]龚方田,刘长发.添加晶种对硅酸盐水泥熟料形成过程的影响[J].硅酸盐学报,1996,24(4):365-373.
[14]张保如.磷渣在水泥生料配料中的机理及应用[J].四川水泥,2000(3):1-4.
[15]甘戈金,兰聪,陈景,等.碱激发磷渣制备超轻质泡沫混凝土的试验研究[J].新型建筑材料,2017,44(2):125-129.
[16]杨松,杨林,曹建新,等.化学激发剂对磷渣粉水化活性的影响[J].贵州大学学报(自然版),2014,31(4):115-118.
[17]Maghsoodloorad H,Allahverdi A.Efflorescence formation and control in alkali-activated phosphorus slag cement[J].International Journal of Civil Engineering,2016,14(6):425-438.
[18]刘秋美.磷渣粉在混凝土中的应用研究[D].贵阳:贵州大学,2007.
[19]王俊杰,王海龙.磷渣微粉对再生混凝土性能的影响研究[J].混凝土,2011(6):90-93.
[20]周芳.掺磷渣粉混凝土的性能研究[D].武汉:武汉理工大学,2011.
[21]程麟,盛广宏,皮艳灵,等.磷渣对硅酸盐水泥的缓凝机理[J].硅酸盐通报,2005,24(4):40-44.
[22]何敏,陈军辉,韩丽,等.四川省2008-2014年水泥行业大气污染物排放清单及时空分布特征[J].环境科学学报,2017,37(1):34-43.
[23]赵建安,郑宗强,曹植,等.中国水泥生产碳排放系数省区空间差异性及成因分析[J].资源科学,2016,38(9):1791-1800.
[24]甘戈金,陈景,叶海艳,等.磷渣复合粉对超轻质泡沫混凝土的性能影响研究[J].施工技术,2015,44(24):41-44.
[25]曾力,戈雪良.磷渣粉在复合胶凝材料中的水化特性[J].武汉大学学报(工学版),2010,43(3):335-339.
[26]Mohamed A K,Parker S C,Bowen P,et al.An atomistic building block description of C-S-H towards a realistic C-S-H model[J].Cement and Concrete Research,2018,107(5):221-235.
[27]吴中伟,廉慧珍,徐桂兰.高性能混凝土[M].北京:中国铁道出版社,1999.
[28]刘冬梅,方坤河,石妍.磷渣对水泥浆体水化性能和孔结构的影响[J].硅酸盐学报,2007,35(1):109-113.