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A platform for research: civil engineering, architecture and urbanism
Multi-scale solid waste modified phosphorus building gypsum composite cementing material
The invention provides a multi-scale solid waste modified phosphorus building gypsum composite cementing material which comprises the following raw materials in parts by weight: 60-70 parts of phosphorus building gypsum, 2-5 parts of carbide slag, 5-15 parts of steel slag, 10-25 parts of blast furnace nickel slag, 5-10 parts of superfine slag, 0-0.1 part of a retarder, 0.2-0.4 part of a water reducer and 0-0.05 part of a water-retaining agent. Phosphorus building gypsum is used as a main raw material, carbide slag, steel slag, blast furnace nickel slag and superfine slag are doped to modify the phosphorus building gypsum, solid waste reacts with soluble phosphorus, fluorine and other impurities in the phosphogypsum under the alkaline action of the solid waste to generate insoluble precipitates, and harmful impurities in the phosphogypsum are cured; the utilization rate of various solid wastes is effectively increased through the hydration activation effect and the particle effect of the solid wastes with different sizes, and the phosphorus building gypsum composite cementing material also has excellent mechanical properties and water resistance while the synergistic treatment and resource utilization of the various solid wastes are realized; and a rubber material system with excellent performance is provided for large-scale resource utilization of phosphogypsum.
本发明提供一种多尺度固废改性的磷建筑石膏复合胶凝材料，其原料按重量份数计，包括：磷建筑石膏60～70份，电石渣2～5份，钢渣5～15份，高炉镍渣10～25份，超细矿渣5～10份，缓凝剂0～0.1份，减水剂0.2～0.4份，保水剂0～0.05份。本发明以磷建筑石膏为主要原料，并掺入电石渣、钢渣、高炉镍渣和超细矿渣对其进行改性，利用固废的碱性作用与磷石膏中的可溶性磷、氟等杂质发生反应生成难溶性沉淀，对磷石膏中的有害杂质进行固化；通过不同尺度固废的水化活化作用及颗粒效应，有效提高多种固废利用率，在实现了多种固废的协同处置和资源化利用的同时，该磷建筑石膏复合胶凝材料还具备优异的力学性能和耐水性能，为磷石膏的大规模资源化利用提供了性能优异的胶材体系。
Multi-scale solid waste modified phosphorus building gypsum composite cementing material
The invention provides a multi-scale solid waste modified phosphorus building gypsum composite cementing material which comprises the following raw materials in parts by weight: 60-70 parts of phosphorus building gypsum, 2-5 parts of carbide slag, 5-15 parts of steel slag, 10-25 parts of blast furnace nickel slag, 5-10 parts of superfine slag, 0-0.1 part of a retarder, 0.2-0.4 part of a water reducer and 0-0.05 part of a water-retaining agent. Phosphorus building gypsum is used as a main raw material, carbide slag, steel slag, blast furnace nickel slag and superfine slag are doped to modify the phosphorus building gypsum, solid waste reacts with soluble phosphorus, fluorine and other impurities in the phosphogypsum under the alkaline action of the solid waste to generate insoluble precipitates, and harmful impurities in the phosphogypsum are cured; the utilization rate of various solid wastes is effectively increased through the hydration activation effect and the particle effect of the solid wastes with different sizes, and the phosphorus building gypsum composite cementing material also has excellent mechanical properties and water resistance while the synergistic treatment and resource utilization of the various solid wastes are realized; and a rubber material system with excellent performance is provided for large-scale resource utilization of phosphogypsum.
本发明提供一种多尺度固废改性的磷建筑石膏复合胶凝材料，其原料按重量份数计，包括：磷建筑石膏60～70份，电石渣2～5份，钢渣5～15份，高炉镍渣10～25份，超细矿渣5～10份，缓凝剂0～0.1份，减水剂0.2～0.4份，保水剂0～0.05份。本发明以磷建筑石膏为主要原料，并掺入电石渣、钢渣、高炉镍渣和超细矿渣对其进行改性，利用固废的碱性作用与磷石膏中的可溶性磷、氟等杂质发生反应生成难溶性沉淀，对磷石膏中的有害杂质进行固化；通过不同尺度固废的水化活化作用及颗粒效应，有效提高多种固废利用率，在实现了多种固废的协同处置和资源化利用的同时，该磷建筑石膏复合胶凝材料还具备优异的力学性能和耐水性能，为磷石膏的大规模资源化利用提供了性能优异的胶材体系。
Multi-scale solid waste modified phosphorus building gypsum composite cementing material
一种多尺度固废改性的磷建筑石膏复合胶凝材料
SU YING (author) / CUI CHENGJIA (author) / FAN LUYANG (author) / WANG LIYUE (author) / DING WENBIN (author) / JIN ZIHAO (author) / YANG QIFAN (author) / TANG YUANZHEN (author) / HE XINGYANG (author) / WANG YINGBIN (author)
2022-03-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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