Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preparing light plastering gypsum from semi-dry oxidation desulfurization ash
The invention provides a method for preparing light plastering gypsum from semi-dry oxidation desulfurization ash, and belongs to the technical field of light plastering gypsum. The method comprises the following steps: oxidizing the semi-dry desulfurized ash through an internal and external heating rotary kiln to fully oxidize calcium sulfite in the semi-dry desulfurized ash into calcium sulfate,and uniformly mixing the oxidized desulfurized ash serving as a cementing material with a coagulant, an inorganic filler, lightweight aggregate and other modifiers to obtain the lightweight plastering gypsum. The lightweight plastering gypsum is a material for wall painting. The plastering gypsum obtained by the method has the characteristics of light plastering gypsum, is more optimized in performance, has higher application value in the market, saves the cost, realizes the resource utilization of the semi-dry desulfurization ash, and plays a role in resource regeneration.
本发明提供一种半干法氧化脱硫灰用于轻质抹灰石膏的制备方法，属于轻质抹灰石膏技术领域。该方法首先将半干法脱硫灰经内外加热回转窑进行氧化，将半干法脱硫灰中的亚硫酸钙充分氧化为硫酸钙，再以氧化后的脱硫灰为胶凝材料，配合促凝剂、无机填料、轻骨料及其他改性剂经混合均匀后，得到轻质抹灰石膏，是一种用于墙体粉刷的材料。该方法得到的抹灰石膏具有轻质抹灰石膏的特性，在性能上更加优化，在市场上更具有应用价值，节约成本，实现半干法脱硫灰的资源化利用，起到资源再生作用。
Method for preparing light plastering gypsum from semi-dry oxidation desulfurization ash
The invention provides a method for preparing light plastering gypsum from semi-dry oxidation desulfurization ash, and belongs to the technical field of light plastering gypsum. The method comprises the following steps: oxidizing the semi-dry desulfurized ash through an internal and external heating rotary kiln to fully oxidize calcium sulfite in the semi-dry desulfurized ash into calcium sulfate,and uniformly mixing the oxidized desulfurized ash serving as a cementing material with a coagulant, an inorganic filler, lightweight aggregate and other modifiers to obtain the lightweight plastering gypsum. The lightweight plastering gypsum is a material for wall painting. The plastering gypsum obtained by the method has the characteristics of light plastering gypsum, is more optimized in performance, has higher application value in the market, saves the cost, realizes the resource utilization of the semi-dry desulfurization ash, and plays a role in resource regeneration.
本发明提供一种半干法氧化脱硫灰用于轻质抹灰石膏的制备方法，属于轻质抹灰石膏技术领域。该方法首先将半干法脱硫灰经内外加热回转窑进行氧化，将半干法脱硫灰中的亚硫酸钙充分氧化为硫酸钙，再以氧化后的脱硫灰为胶凝材料，配合促凝剂、无机填料、轻骨料及其他改性剂经混合均匀后，得到轻质抹灰石膏，是一种用于墙体粉刷的材料。该方法得到的抹灰石膏具有轻质抹灰石膏的特性，在性能上更加优化，在市场上更具有应用价值，节约成本，实现半干法脱硫灰的资源化利用，起到资源再生作用。
Method for preparing light plastering gypsum from semi-dry oxidation desulfurization ash
一种半干法氧化脱硫灰用于轻质抹灰石膏的制备方法
ZHAO RONGZHI (Autor:in) / PENG JIANMING (Autor:in) / ZHANG QIULIN (Autor:in) / MA ZHAOJUN (Autor:in)
05.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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