A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of rare earth carbonate fly ash ceramsite with high cylinder compressive strength
The invention provides a preparation method of rare earth carbonate fly ash ceramsite with high cylinder compressive strength. The preparation method comprises the following steps: step 1, pretreatment of fly ash; step 2, preparing mixed powder; step 3, preparing an anti-bonding material; and step 4, roasting. According to the preparation method of the rare earth carbonate fly ash ceramsite with high cylinder compressive strength, the characteristics of the rare earth carbonate are combined with the fly ash to prepare a thermal insulation material with light weight, high cylinder compressive strength and high refractoriness, the application of the rare earth carbonate in the field of thermal insulation refractory materials of industrial kilns is expanded, and the downstream industry chain of the rare earth carbonate is enriched; a large amount of industrial solid waste fly ash can be consumed, waste is turned into wealth, and the problems of environmental pollution and potential safety hazards caused by fly ash stockpiling are solved; compared with the conventional fly ash ceramsite, the cylinder compressive strength is improved by more than 40%; and compared with the conventional fly ash ceramsite material, the heat conductivity coefficient is reduced by more than 30%.
本发明提供了一种高筒压强度的碳酸稀土粉煤灰陶粒的制备方法，包括如下步骤：步骤1是粉煤灰的前处理；步骤2是混合粉体的制备；步骤3是防粘结材料的制备；步骤4是焙烧工艺。本发明所述的高筒压强度的碳酸稀土粉煤灰陶粒的制备方法利用碳酸稀土特性结合粉煤灰制备出轻质、筒压强度高、耐火度高的保温材料，拓展碳酸稀土在工业窑炉保温耐材领域的应用，丰富碳酸稀土下游产业链；能大量消耗工业固废粉煤灰，变废为宝，还解决了粉煤灰堆存造成的环境污染和安全隐患问题；较常规粉煤灰陶粒筒压强度提升40%以上；较常规粉煤灰陶粒材料导热系数下降30%以上。
Preparation method of rare earth carbonate fly ash ceramsite with high cylinder compressive strength
The invention provides a preparation method of rare earth carbonate fly ash ceramsite with high cylinder compressive strength. The preparation method comprises the following steps: step 1, pretreatment of fly ash; step 2, preparing mixed powder; step 3, preparing an anti-bonding material; and step 4, roasting. According to the preparation method of the rare earth carbonate fly ash ceramsite with high cylinder compressive strength, the characteristics of the rare earth carbonate are combined with the fly ash to prepare a thermal insulation material with light weight, high cylinder compressive strength and high refractoriness, the application of the rare earth carbonate in the field of thermal insulation refractory materials of industrial kilns is expanded, and the downstream industry chain of the rare earth carbonate is enriched; a large amount of industrial solid waste fly ash can be consumed, waste is turned into wealth, and the problems of environmental pollution and potential safety hazards caused by fly ash stockpiling are solved; compared with the conventional fly ash ceramsite, the cylinder compressive strength is improved by more than 40%; and compared with the conventional fly ash ceramsite material, the heat conductivity coefficient is reduced by more than 30%.
本发明提供了一种高筒压强度的碳酸稀土粉煤灰陶粒的制备方法，包括如下步骤：步骤1是粉煤灰的前处理；步骤2是混合粉体的制备；步骤3是防粘结材料的制备；步骤4是焙烧工艺。本发明所述的高筒压强度的碳酸稀土粉煤灰陶粒的制备方法利用碳酸稀土特性结合粉煤灰制备出轻质、筒压强度高、耐火度高的保温材料，拓展碳酸稀土在工业窑炉保温耐材领域的应用，丰富碳酸稀土下游产业链；能大量消耗工业固废粉煤灰，变废为宝，还解决了粉煤灰堆存造成的环境污染和安全隐患问题；较常规粉煤灰陶粒筒压强度提升40%以上；较常规粉煤灰陶粒材料导热系数下降30%以上。
Preparation method of rare earth carbonate fly ash ceramsite with high cylinder compressive strength
一种高筒压强度的碳酸稀土粉煤灰陶粒的制备方法
DENG GUANNAN (author) / LUO XUERU (author) / YIN HANG (author) / YU HAOYANG (author) / ZHANG YUNQI (author) / ZHANG GUANGRUI (author) / LI LU (author) / KAN LIXIN (author) / WANG JIPING (author) / CHEN LIBING (author)
2023-12-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2021