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Cement-like cementing material based on coal-based solid waste and preparation method of cement-like cementing material
The invention provides a cement-like cementing material based on coal-based solid waste and a preparation method of the cement-like cementing material, and belongs to the technical field of cementing material preparation. Comprising the following components in percentage by mass: 6-12% of steel slag powder, 55-75% of slag powder, 5-20% of cement clinker and 3-12% of desulfurized gypsum powder. The steel slag powder comprises, by mass, 35%-40% of calcium oxide, 14%-20% of silicon dioxide, 20%-25% of ferric oxide, 1%-7% of aluminum oxide and 8%-14% of magnesium oxide. The slag powder comprises the following components in percentage by mass: 35%-40% of calcium oxide, 30%-34% of silicon dioxide, 1%-5% of ferric oxide, 13%-17% of aluminum oxide and 7%-13% of magnesium oxide. The cement clinker comprises the following components in percentage by mass: 60%-70% of calcium oxide, 20%-24% of silicon dioxide, 4%-8% of aluminum oxide, 2%-5% of ferric oxide and 1%-4% of magnesium oxide. The mass content of calcium sulfate dihydrate in the desulfurized gypsum is 93%-99%. The prepared cementing material is simple in component composition, rich in raw materials and low in price, the defects of high cost and indirect environmental pollution caused by direct use of cement are overcome, and higher economic benefits can be obtained.
本发明提供了一种基于煤基固废的类水泥胶凝材料及其制备方法，属于胶凝材料制备技术领域。包括以下质量百分比的组分：钢渣粉6％‑12％、矿渣粉55％‑75％、水泥熟料5％‑20％和脱硫石膏粉3％‑12％。所述钢渣粉按质量百分比包括氧化钙35％‑40％、二氧化硅14％‑20％、三氧化二铁20％‑25％、三氧化二铝1％‑7％和氧化镁8％‑14％。所述矿渣粉按质量百分比包括氧化钙35％‑40％、二氧化硅30％‑34％、三氧化二铁1％‑5％、三氧化二铝13％‑17％和氧化镁7％‑13％。所述水泥熟料按质量百分比包括氧化钙60％‑70％、二氧化硅20％‑24％、三氧化二铝4％‑8％、三氧化二铁2％‑5％、氧化镁1％‑4％。所述脱硫石膏中二水硫酸钙的质量含量为93％‑99％。本发明制备的胶凝材料的组分构成简单，原材料丰富、价格低廉，克服了直接使用水泥造成的成本高和间接污染环境的缺陷，并可获得较高的经济效益。
Cement-like cementing material based on coal-based solid waste and preparation method of cement-like cementing material
The invention provides a cement-like cementing material based on coal-based solid waste and a preparation method of the cement-like cementing material, and belongs to the technical field of cementing material preparation. Comprising the following components in percentage by mass: 6-12% of steel slag powder, 55-75% of slag powder, 5-20% of cement clinker and 3-12% of desulfurized gypsum powder. The steel slag powder comprises, by mass, 35%-40% of calcium oxide, 14%-20% of silicon dioxide, 20%-25% of ferric oxide, 1%-7% of aluminum oxide and 8%-14% of magnesium oxide. The slag powder comprises the following components in percentage by mass: 35%-40% of calcium oxide, 30%-34% of silicon dioxide, 1%-5% of ferric oxide, 13%-17% of aluminum oxide and 7%-13% of magnesium oxide. The cement clinker comprises the following components in percentage by mass: 60%-70% of calcium oxide, 20%-24% of silicon dioxide, 4%-8% of aluminum oxide, 2%-5% of ferric oxide and 1%-4% of magnesium oxide. The mass content of calcium sulfate dihydrate in the desulfurized gypsum is 93%-99%. The prepared cementing material is simple in component composition, rich in raw materials and low in price, the defects of high cost and indirect environmental pollution caused by direct use of cement are overcome, and higher economic benefits can be obtained.
本发明提供了一种基于煤基固废的类水泥胶凝材料及其制备方法，属于胶凝材料制备技术领域。包括以下质量百分比的组分：钢渣粉6％‑12％、矿渣粉55％‑75％、水泥熟料5％‑20％和脱硫石膏粉3％‑12％。所述钢渣粉按质量百分比包括氧化钙35％‑40％、二氧化硅14％‑20％、三氧化二铁20％‑25％、三氧化二铝1％‑7％和氧化镁8％‑14％。所述矿渣粉按质量百分比包括氧化钙35％‑40％、二氧化硅30％‑34％、三氧化二铁1％‑5％、三氧化二铝13％‑17％和氧化镁7％‑13％。所述水泥熟料按质量百分比包括氧化钙60％‑70％、二氧化硅20％‑24％、三氧化二铝4％‑8％、三氧化二铁2％‑5％、氧化镁1％‑4％。所述脱硫石膏中二水硫酸钙的质量含量为93％‑99％。本发明制备的胶凝材料的组分构成简单，原材料丰富、价格低廉，克服了直接使用水泥造成的成本高和间接污染环境的缺陷，并可获得较高的经济效益。
Cement-like cementing material based on coal-based solid waste and preparation method of cement-like cementing material
一种基于煤基固废的类水泥胶凝材料及其制备方法
SHI YANNAN (author) / ZHAO JIAWEI (author) / SHI CHANGLIANG (author) / WANG YIYING (author) / WANG MANLI (author) / WANG HANQIU (author)
2024-11-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2020
| European Patent Office | 2024