固硫灰中含钙矿物对其水化特性影响的研究进展
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摘要
固硫灰是富含SiO_2和Al_2O_3的火山灰活性材料,将其用于建筑行业是资源合理化利用的途径之一;固硫灰与普通粉煤灰存在成分差异,且具有自胶凝的特性;从固硫灰中含钙矿物着手,综述了固硫灰中含钙矿物的来源,并结合国内外文献分析了含钙矿物的存在对不同固硫灰体系水化的影响;最后,分析了遇水时含钙矿物液相Ca~(2+)离子溶出的机理,提出抑制膨胀,促进固硫灰合理利用的措施。
Circulating fluidized bed combustion fly ash (CFA) is a pozzolanic material rich in SiO_2 and Al_2O_3,which is one of the approaches to the rational utilization of resources in the construction industry;There are differences in composition between CFA and ordinary fly ash,and CFA has self-hardening characteristics; the sources of calcium-containing minerals in CFA were reviewed,and the influence of the presence of calcium-containing minerals on the hydration of different situation was analyzed with domestic and foreign literature. Finally,the mechanism of Ca~(2+) ion dissolution in calcium-containing minerals was analyzed,and the measures to suppress expansion and promote the reasonable utilization of CFA were put forward.
Circulating fluidized bed combustion fly ash (CFA) is a pozzolanic material rich in SiO_2 and Al_2O_3,which is one of the approaches to the rational utilization of resources in the construction industry;There are differences in composition between CFA and ordinary fly ash,and CFA has self-hardening characteristics; the sources of calcium-containing minerals in CFA were reviewed,and the influence of the presence of calcium-containing minerals on the hydration of different situation was analyzed with domestic and foreign literature. Finally,the mechanism of Ca~(2+) ion dissolution in calcium-containing minerals was analyzed,and the measures to suppress expansion and promote the reasonable utilization of CFA were put forward.
引文
[1]宋远明.流化床燃煤固硫灰渣水化研究[D].重庆:重庆大学,2007.
[2]朱文尚,颜碧兰,江丽珍.循环流化床燃煤固硫灰渣研究利用现状[J].粉煤灰,2011,23(3):25-26.
[3]Wang C B,Jia L F,Tan Y W.Simultaneous carbonation and sulfation of CaO in oxy-fuel circulating fluidized bed combustion[D].Heriot-Watt University,2011.
[4]刘豪.燃煤固硫及灰渣利用过程中多相反应机理研究[D].武汉:华中科技大学,2006.
[5]Li Q,Xu H,Fu X,et al.Effects of circulating fluidized bed combustion(CFBC)fly ashes as filler on the performances of asphalt[J].Asia-pacific Journal of Chemical Engineering,2009,4(2):226-235.
[6]宋远明,钱觉时,王智.燃煤灰渣火山灰反应活性[J].硅酸盐学报,2006,34(8):962-965.
[7]Anthony E J,Granatstein D L.Sulfation phenomena in fluidized bed combustion systems[J].Progress in Energy&Combustion Science,2001,27(2):215-236.
[8]Zheng D P,Wang D M,Li D L,et al.Study of high volume circulating fluidized bed fly ash on rheological properties of the resulting cement paste[J].Construction&Building Materials,2017,135:86-93.
[9]Zhang H X,Zhu Z P,Dong Q,et al.Structural properties and gasification reactivity of shenmu fly ash obtained from a 5 t/d circulating fluidized bed gasifier[J].Procedia Engineering,2015,102(9):1104-1111.
[10]Nguyen H A,Chang T P,Shih J Y,et al.Influence of circulating fluidized bed combustion(CFBC)fly ash on properties of modified high volume low calcium fly ash(HVFA)cement paste[J].Construction&Building Materials,2015,91:208-215.
[11]Lin M,Lu X,Wang Q,et al.The experimental study of fly ash recirculation combustion characteristics on a circulating fluidized bed combustor[J].Fuel Processing Technology,2014,118(1):192-199.
[12]钱觉时,郑洪伟,宋远明,等.流化床燃煤固硫灰渣的特性[J].硅酸盐学报,2008,36(10):1396-1400.
[13]Xu H Z,Song Y M,Liu J X,et al.Method for determining the hydration reaction kinetics of coal ashes[J].Journal of Building Materials,2011,14(4):564-568.
[14]Chindaprasirt P,Rattanasak U.Utilization of blended fluidized bed combustion(FBC)ash and pulverized coal combustion(PCC)fly ash in geopolymer[J].Waste Management,2010,30(4):667-72.
[15]Zhang Z,Qian J,You C,et al.Use of circulating fluidized bed combustion fly ash and slag in autoclaved brick[J].Construction&Building Materials,2012,35(10):109-116.
[16]王栋民,崔勇,李端乐,等.粉煤灰基地质聚合物发泡材料的性能与微观结构[J].矿业科学学报,2017,2(2):175-182.
[17]Li S,Hu J,Biao L,et al.Study on the weathering resistance of fly ash-lime compacts[J].Cement&Concrete Research,2004,34(5):753-758.
[18]Deschner F,Lothenbach B,Winnefeld F,et al.Effect of temperature on the hydration of Portland cement blended with siliceous fly ash[J].Cement&Concrete Research,2013,52(10):169-181.
[19]Sheng G,Li Q,Zhai J,et al.Self-cementitious properties of fly ashes from CFBC boilers co-firing coal and high-sulphur petroleum coke[J].Cement&Concrete Research,2007,37(6):871-876.
[20]韦迎春,钱觉时,张志伟,等.蒸压养护对固硫灰渣膨胀性能的影响研究[J].土木建筑与环境工程,2010,32(6):142-146.
[21]Song Y,Guo C,Qian J,et al.Effect of the Ca-to-Si ratio on the properties of autoclaved aerated concrete containing coal fly ash from circulating fluidized bed combustion boiler[J].Construction&Building Materials,2015,83:136-142.
[22]刘妮,路春美,骆仲泱,等.石灰石颗粒固硫反应特性的模型研究[J].环境科学学报,2001,21(2):172-177.
[23]Patel A,Basu P,Acharya B.An investigation into partial capture of CO2,released from a large coal/petcoke fired circulating fluidized bed boiler with limestone injection using its fly and bottom ash[J].Journal of Environmental Chemical Engineering,2017,5(1):667-678.
[24]Maenami H,Isu N,Ishida E H,et al.Electron microscopy and phase analysis of fly ash from pressurized fluidized bed combustion[J].Cement&Concrete Research,2004,34(5):781-788.
[25]Chi M.Synthesis and characterization of mortars with circulating fluidized bed combustion fly ash and ground granulated blast-furnace slag[J].Construction&Building Materials,2016,123:565-573.
[26]Sheng G,Zhai J,Li Q,et al.Utilization of fly ash coming from a CFBC boiler co-firing coal and petroleum coke in Portland cement[J].Fuel,2007,86(16):2625-2631.
[27]Chen X,Yan Y,Liu Y,et al.Utilization of circulating fluidized bed fly ash for the preparation of foam concrete[J].Construction&Building Materials,2014,54(3):137-146.
[28]Li X G,Chen Q B,Huang K Z,et al.Cementitious properties and hydration mechanism of circulating fluidized bed combustion(CFBC)desulfurization ashes[J].Construction&Building Materials,2012,36(4):182-187.
[29]Zhao J,Wang D,Liao S.Effect of mechanical grinding on physical and chemical characteristics of circulating fluidized bed fly ash from coal gangue power plant[J].Construction&Building Materials,2015,101:851-860.
[30]Montagnaro F,Salatino P,Scala F.The influence of temperature on limestone sulfation and attrition under fluidized bed combustion conditions[J].Experimental Thermal&Fluid Science,2010,34(3):352-358.
[31]Ye E L.Self-harden mechanism of high calcium fly ash[J].Housing Materials&Applications,1996(5):40-42.
[32]Solem J K,Mc Carthy G J.Hydration reactions and ettringite formation in selected cementitious coal conversion by-products,advanced cementitious systems:mechanisms and properties[J].Materials Research Society Symposium-Proceedings,1992,245:71-79.
[33]Illikainen M,Tanskanen P,Kinnunen P,et al.Reactivity and self-hardening of fly ash from the fluidized bed combustion of wood and peat[J].Fuel,2014,135:69-75.
[34]马保国,陈全滨,李相国,等.活化方式对CFBC脱硫灰自硬化性能的影响[J].建筑材料学报,2013,16(1):60-64.
[35]Havlica J,Walther D,Odler I,et al.Cementitious materials based on fluidised bed coal combustion ashes[J].Advances in Cement Research,2004,16(2):61-67.
[36]Lu L.Study on physical activation of fly ash[J].Bulletin of the Chinese Ceramic Society,2003.
[37]陈燕,岳文海,董若兰.石膏建筑材料[M].北京:中国建材工业出版社,2003.
[38]Xia Y,Yan Y,Hu Z.Utilization of circulating fluidized bed fly ash in preparing non-autoclaved aerated concrete production[J].Construction&Building Materials,2013,47(10):1461-1467.
[39]Chen C T,Nguyen H A,Chang T P,et al.Performance and microstructural examination on composition of hardened paste with no-cement SFCbinder[J].Construction&Building Materials,2015,76(76):264-272.
[40]Tishmack J K.Characterization of high-calcium fly ash and its influence on ettringite formation in portland cement pastes[J].Biochimica Et Biophysica Acta,1999,795(2):417-426.
[41]Wang A,Zhang C,Sun W.Fly ash effects:II.The active effect of fly ash[J].Cement&Concrete Research,2004,34(11):2057-2060.
[42]Zhang W,Choi H,Sagawa T,et al.Compressive strength development and durability of an environmental load-reduction material manufactured using circulating fluidized bed ash and blast-furnace slag[J].Construction&Building Materials,2017,146:102-113.
[43]Scrivener K L,Juilland P,Monteiro P J M.Advances in understanding hydration of Portland cement[J].Cement&Concrete Research,2015,78:38-56.
[44]Song Y,Qian J,Liu J,et al.Effect of curing conditions on the hydration and performance of CFBC ash cementitious system[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.2014,29(1):93-96.
[45]Chi M,Huang R.Effect of circulating fluidized bed combustion ash on the properties of roller compacted concrete[J].Cement&Concrete Composites,2014,45(1):148-156.
[46]Havlica J,Brandstetr J,Odler I.Possibilities of utilizing solid residues from pressured fluidized bed coal combustion(PSBC)for the production of blended cements[J].Cement&Concrete Research,1998,28(2):299-307.
[47]Iribarne A P,Iribarne J V,Anthony E J.Reactivity of calcium sulfate from FBC systems[J].Fuel,1997,76(4):321-327.
[48]Anthony E J,Bulewicz E M,Krystyna D,et al.The long term behaviour of CFBC ash-water systems[J].Waste Management,2002,22(1):99-111.
[49]Sheng G,Li Q,Zhai J.Investigation on the hydration of CFBC fly ash[J].Fuel,2012,98(4):61-66.
[50]宋远明,钱觉时,刘景相,等.SO3对固硫灰渣胶凝系统水化及性能的影响[J].建筑材料学报,2013,16(4):688-693.
[51]霍琳,李军,卢忠远,等.粉磨超细化对循环流化床固硫灰水化特性的影响[J].武汉理工大学学报,2013,35(1):27-33.
[52]喻德高.无水硫酸钙水化机理及应用研究[D].武汉:武汉理工大学,2007.
[53]Shen Y,Qian J,Zhang Z.Investigations of anhydrite in CFBC fly ash as cement retarders[J].Construction&Building Materials,2013,40(3):672-678.
[54]Magallanes-Rivera R X,Escalante-García J I.Hemihydrate or waste anhydrite in composite binders with blast-furnace slag:Hydration products,microstructures and dimensional stability[J].Construction&Building Materials,2014,71(71):317-326.
[55]Sievert T,Wolter A,Singh N B.Hydration of anhydrite of gypsum(Ca SO4.II)in a ball mill[J].Cement&Concrete Research,2005,35(4):623-630.
[56]Singh M,Garg M.Activation of gypsum anhydrite-slag mixtures[J].Cement&Concrete Research,1995,25(25):332-338.
[57]Mandal P K,Mandal T K.Anion water in gypsum(CaSO4·2H2O)and hemihydrate(CaSO4·1/2H2O)[J].Cement&Concrete Research,2002,32:313-316.
[58]Zhang Z,Qian J.Effect of protogenetic anhydrite on the hydration of cement under different curing temperature[J].Construction&Building Materials,2017,142:417-422.
[2]朱文尚,颜碧兰,江丽珍.循环流化床燃煤固硫灰渣研究利用现状[J].粉煤灰,2011,23(3):25-26.
[3]Wang C B,Jia L F,Tan Y W.Simultaneous carbonation and sulfation of CaO in oxy-fuel circulating fluidized bed combustion[D].Heriot-Watt University,2011.
[4]刘豪.燃煤固硫及灰渣利用过程中多相反应机理研究[D].武汉:华中科技大学,2006.
[5]Li Q,Xu H,Fu X,et al.Effects of circulating fluidized bed combustion(CFBC)fly ashes as filler on the performances of asphalt[J].Asia-pacific Journal of Chemical Engineering,2009,4(2):226-235.
[6]宋远明,钱觉时,王智.燃煤灰渣火山灰反应活性[J].硅酸盐学报,2006,34(8):962-965.
[7]Anthony E J,Granatstein D L.Sulfation phenomena in fluidized bed combustion systems[J].Progress in Energy&Combustion Science,2001,27(2):215-236.
[8]Zheng D P,Wang D M,Li D L,et al.Study of high volume circulating fluidized bed fly ash on rheological properties of the resulting cement paste[J].Construction&Building Materials,2017,135:86-93.
[9]Zhang H X,Zhu Z P,Dong Q,et al.Structural properties and gasification reactivity of shenmu fly ash obtained from a 5 t/d circulating fluidized bed gasifier[J].Procedia Engineering,2015,102(9):1104-1111.
[10]Nguyen H A,Chang T P,Shih J Y,et al.Influence of circulating fluidized bed combustion(CFBC)fly ash on properties of modified high volume low calcium fly ash(HVFA)cement paste[J].Construction&Building Materials,2015,91:208-215.
[11]Lin M,Lu X,Wang Q,et al.The experimental study of fly ash recirculation combustion characteristics on a circulating fluidized bed combustor[J].Fuel Processing Technology,2014,118(1):192-199.
[12]钱觉时,郑洪伟,宋远明,等.流化床燃煤固硫灰渣的特性[J].硅酸盐学报,2008,36(10):1396-1400.
[13]Xu H Z,Song Y M,Liu J X,et al.Method for determining the hydration reaction kinetics of coal ashes[J].Journal of Building Materials,2011,14(4):564-568.
[14]Chindaprasirt P,Rattanasak U.Utilization of blended fluidized bed combustion(FBC)ash and pulverized coal combustion(PCC)fly ash in geopolymer[J].Waste Management,2010,30(4):667-72.
[15]Zhang Z,Qian J,You C,et al.Use of circulating fluidized bed combustion fly ash and slag in autoclaved brick[J].Construction&Building Materials,2012,35(10):109-116.
[16]王栋民,崔勇,李端乐,等.粉煤灰基地质聚合物发泡材料的性能与微观结构[J].矿业科学学报,2017,2(2):175-182.
[17]Li S,Hu J,Biao L,et al.Study on the weathering resistance of fly ash-lime compacts[J].Cement&Concrete Research,2004,34(5):753-758.
[18]Deschner F,Lothenbach B,Winnefeld F,et al.Effect of temperature on the hydration of Portland cement blended with siliceous fly ash[J].Cement&Concrete Research,2013,52(10):169-181.
[19]Sheng G,Li Q,Zhai J,et al.Self-cementitious properties of fly ashes from CFBC boilers co-firing coal and high-sulphur petroleum coke[J].Cement&Concrete Research,2007,37(6):871-876.
[20]韦迎春,钱觉时,张志伟,等.蒸压养护对固硫灰渣膨胀性能的影响研究[J].土木建筑与环境工程,2010,32(6):142-146.
[21]Song Y,Guo C,Qian J,et al.Effect of the Ca-to-Si ratio on the properties of autoclaved aerated concrete containing coal fly ash from circulating fluidized bed combustion boiler[J].Construction&Building Materials,2015,83:136-142.
[22]刘妮,路春美,骆仲泱,等.石灰石颗粒固硫反应特性的模型研究[J].环境科学学报,2001,21(2):172-177.
[23]Patel A,Basu P,Acharya B.An investigation into partial capture of CO2,released from a large coal/petcoke fired circulating fluidized bed boiler with limestone injection using its fly and bottom ash[J].Journal of Environmental Chemical Engineering,2017,5(1):667-678.
[24]Maenami H,Isu N,Ishida E H,et al.Electron microscopy and phase analysis of fly ash from pressurized fluidized bed combustion[J].Cement&Concrete Research,2004,34(5):781-788.
[25]Chi M.Synthesis and characterization of mortars with circulating fluidized bed combustion fly ash and ground granulated blast-furnace slag[J].Construction&Building Materials,2016,123:565-573.
[26]Sheng G,Zhai J,Li Q,et al.Utilization of fly ash coming from a CFBC boiler co-firing coal and petroleum coke in Portland cement[J].Fuel,2007,86(16):2625-2631.
[27]Chen X,Yan Y,Liu Y,et al.Utilization of circulating fluidized bed fly ash for the preparation of foam concrete[J].Construction&Building Materials,2014,54(3):137-146.
[28]Li X G,Chen Q B,Huang K Z,et al.Cementitious properties and hydration mechanism of circulating fluidized bed combustion(CFBC)desulfurization ashes[J].Construction&Building Materials,2012,36(4):182-187.
[29]Zhao J,Wang D,Liao S.Effect of mechanical grinding on physical and chemical characteristics of circulating fluidized bed fly ash from coal gangue power plant[J].Construction&Building Materials,2015,101:851-860.
[30]Montagnaro F,Salatino P,Scala F.The influence of temperature on limestone sulfation and attrition under fluidized bed combustion conditions[J].Experimental Thermal&Fluid Science,2010,34(3):352-358.
[31]Ye E L.Self-harden mechanism of high calcium fly ash[J].Housing Materials&Applications,1996(5):40-42.
[32]Solem J K,Mc Carthy G J.Hydration reactions and ettringite formation in selected cementitious coal conversion by-products,advanced cementitious systems:mechanisms and properties[J].Materials Research Society Symposium-Proceedings,1992,245:71-79.
[33]Illikainen M,Tanskanen P,Kinnunen P,et al.Reactivity and self-hardening of fly ash from the fluidized bed combustion of wood and peat[J].Fuel,2014,135:69-75.
[34]马保国,陈全滨,李相国,等.活化方式对CFBC脱硫灰自硬化性能的影响[J].建筑材料学报,2013,16(1):60-64.
[35]Havlica J,Walther D,Odler I,et al.Cementitious materials based on fluidised bed coal combustion ashes[J].Advances in Cement Research,2004,16(2):61-67.
[36]Lu L.Study on physical activation of fly ash[J].Bulletin of the Chinese Ceramic Society,2003.
[37]陈燕,岳文海,董若兰.石膏建筑材料[M].北京:中国建材工业出版社,2003.
[38]Xia Y,Yan Y,Hu Z.Utilization of circulating fluidized bed fly ash in preparing non-autoclaved aerated concrete production[J].Construction&Building Materials,2013,47(10):1461-1467.
[39]Chen C T,Nguyen H A,Chang T P,et al.Performance and microstructural examination on composition of hardened paste with no-cement SFCbinder[J].Construction&Building Materials,2015,76(76):264-272.
[40]Tishmack J K.Characterization of high-calcium fly ash and its influence on ettringite formation in portland cement pastes[J].Biochimica Et Biophysica Acta,1999,795(2):417-426.
[41]Wang A,Zhang C,Sun W.Fly ash effects:II.The active effect of fly ash[J].Cement&Concrete Research,2004,34(11):2057-2060.
[42]Zhang W,Choi H,Sagawa T,et al.Compressive strength development and durability of an environmental load-reduction material manufactured using circulating fluidized bed ash and blast-furnace slag[J].Construction&Building Materials,2017,146:102-113.
[43]Scrivener K L,Juilland P,Monteiro P J M.Advances in understanding hydration of Portland cement[J].Cement&Concrete Research,2015,78:38-56.
[44]Song Y,Qian J,Liu J,et al.Effect of curing conditions on the hydration and performance of CFBC ash cementitious system[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.2014,29(1):93-96.
[45]Chi M,Huang R.Effect of circulating fluidized bed combustion ash on the properties of roller compacted concrete[J].Cement&Concrete Composites,2014,45(1):148-156.
[46]Havlica J,Brandstetr J,Odler I.Possibilities of utilizing solid residues from pressured fluidized bed coal combustion(PSBC)for the production of blended cements[J].Cement&Concrete Research,1998,28(2):299-307.
[47]Iribarne A P,Iribarne J V,Anthony E J.Reactivity of calcium sulfate from FBC systems[J].Fuel,1997,76(4):321-327.
[48]Anthony E J,Bulewicz E M,Krystyna D,et al.The long term behaviour of CFBC ash-water systems[J].Waste Management,2002,22(1):99-111.
[49]Sheng G,Li Q,Zhai J.Investigation on the hydration of CFBC fly ash[J].Fuel,2012,98(4):61-66.
[50]宋远明,钱觉时,刘景相,等.SO3对固硫灰渣胶凝系统水化及性能的影响[J].建筑材料学报,2013,16(4):688-693.
[51]霍琳,李军,卢忠远,等.粉磨超细化对循环流化床固硫灰水化特性的影响[J].武汉理工大学学报,2013,35(1):27-33.
[52]喻德高.无水硫酸钙水化机理及应用研究[D].武汉:武汉理工大学,2007.
[53]Shen Y,Qian J,Zhang Z.Investigations of anhydrite in CFBC fly ash as cement retarders[J].Construction&Building Materials,2013,40(3):672-678.
[54]Magallanes-Rivera R X,Escalante-García J I.Hemihydrate or waste anhydrite in composite binders with blast-furnace slag:Hydration products,microstructures and dimensional stability[J].Construction&Building Materials,2014,71(71):317-326.
[55]Sievert T,Wolter A,Singh N B.Hydration of anhydrite of gypsum(Ca SO4.II)in a ball mill[J].Cement&Concrete Research,2005,35(4):623-630.
[56]Singh M,Garg M.Activation of gypsum anhydrite-slag mixtures[J].Cement&Concrete Research,1995,25(25):332-338.
[57]Mandal P K,Mandal T K.Anion water in gypsum(CaSO4·2H2O)and hemihydrate(CaSO4·1/2H2O)[J].Cement&Concrete Research,2002,32:313-316.
[58]Zhang Z,Qian J.Effect of protogenetic anhydrite on the hydration of cement under different curing temperature[J].Construction&Building Materials,2017,142:417-422.