Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Micro-expansive cement prepared from fluidized bed combustion ash, and preparation method of cement
The invention provides a micro-expansive cement prepared from fluidized bed combustion ash, and a preparation method of the cement. The micro-expansive cement comprises, by weight, 20-30% of fluidized bed combustion ash, 20-28% of clinker, 17-40% of slag, 20-25% of fly ash and a grinding aid, and the addition amount of the grinding aid is less than or equal to 0.5% of the total mass of the materials. The micro-expansive cement with stable performance is prepared by adjusting the matching proportion of the fluidized bed combustion ash, the clinker, the slag and the fly ash, and has the characteristics of high strength and small dry shrinkage coefficient. The preparation method of the micro-expansive cement effectively consumes the sulfur-fixing ash residues, is economical and energy-saving, not only improves the comprehensive utilization of the solid wastes, but also relieves the pressure of the environment, and accords with the green and environment-friendly concept.
本发明提供了一种利用固硫灰渣制备的微膨胀水泥及该水泥的制备方法，该微膨胀水泥包括按重量计的以下原料：固硫灰渣20%～30%，熟料20%～28%，矿渣17%～40%、粉煤灰20%～25%，还包括助磨剂，助磨剂加入量≤前述物料总质量的0.5%。本发明通过调节固硫灰渣、熟料、矿渣及粉煤灰的配合比例，制备性能稳定的微膨胀水泥，具有强度高，干缩系数小的特点。此种微膨胀水泥的制备方法有效的消纳固硫灰渣类废弃物，经济节能，既提高了固体废弃物的综合利用，又缓解环境的压力，符合绿色环保理念。
Micro-expansive cement prepared from fluidized bed combustion ash, and preparation method of cement
The invention provides a micro-expansive cement prepared from fluidized bed combustion ash, and a preparation method of the cement. The micro-expansive cement comprises, by weight, 20-30% of fluidized bed combustion ash, 20-28% of clinker, 17-40% of slag, 20-25% of fly ash and a grinding aid, and the addition amount of the grinding aid is less than or equal to 0.5% of the total mass of the materials. The micro-expansive cement with stable performance is prepared by adjusting the matching proportion of the fluidized bed combustion ash, the clinker, the slag and the fly ash, and has the characteristics of high strength and small dry shrinkage coefficient. The preparation method of the micro-expansive cement effectively consumes the sulfur-fixing ash residues, is economical and energy-saving, not only improves the comprehensive utilization of the solid wastes, but also relieves the pressure of the environment, and accords with the green and environment-friendly concept.
本发明提供了一种利用固硫灰渣制备的微膨胀水泥及该水泥的制备方法，该微膨胀水泥包括按重量计的以下原料：固硫灰渣20%～30%，熟料20%～28%，矿渣17%～40%、粉煤灰20%～25%，还包括助磨剂，助磨剂加入量≤前述物料总质量的0.5%。本发明通过调节固硫灰渣、熟料、矿渣及粉煤灰的配合比例，制备性能稳定的微膨胀水泥，具有强度高，干缩系数小的特点。此种微膨胀水泥的制备方法有效的消纳固硫灰渣类废弃物，经济节能，既提高了固体废弃物的综合利用，又缓解环境的压力，符合绿色环保理念。
Micro-expansive cement prepared from fluidized bed combustion ash, and preparation method of cement
利用固硫灰渣制备的微膨胀水泥及该水泥的制备方法
LIU LIMIN (Autor:in) / LIU FENGXIA (Autor:in) / LI LAIFANG (Autor:in) / DAI GANG (Autor:in) / DOU LIGANG (Autor:in) / LI JIANPING (Autor:in) / ZHANG JITUN (Autor:in) / WU SHIBIN (Autor:in) / LIU XUEFENG (Autor:in) / CHEN XUEWAN (Autor:in)
14.12.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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