燃煤灰渣性质的变化及其对混凝土的影响

摘要

燃煤灰渣作为混凝土掺合料是其资源化利用的重要途径,而燃煤电厂燃料、燃烧方式和环境保护要求的变化导致燃煤灰渣的性质发生变化,进而影响其资源化利用.从混凝土掺合料利用的角度,简要介绍了燃煤灰渣性质发生的主要变化,重点对脱硝技术和循环流化床燃烧技术对燃煤灰渣性质及其对混凝土的影响进行分析.%The use of coal ash as a concrete admixture is an important way to achieve its resource utilization,but the changes of fuel,combustion type and environmental protection requirements of coal-fired power plants have led to the changes in properties of coal ash,which affect the resource utilization of coal ash. In this paper,the main changes in the properties of coal ash are briefly introduced from the perspective of concrete admixture utilization,and focusing on the analysis on influence of deni tration technology and circulating fluidized bed combustion(CFBC)technology on the properties of coal ash and its effect on the concrete.