Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of viscosity-reducing reinforced spherical nickel slag material for concrete
The invention discloses a preparation method of a viscosity-reducing reinforced spherical nickel slag material for concrete, wherein the preparation method comprises the following steps: 1) blowing molten nickel slag into an air cooling area by high-pressure cold air for cooling, and rapidly cooling the molten nickel slag to form the shape of spherical fine particles; 2) dividing the spherical nickel slag into three grades according to the particle size, wherein the particle size of the first grade is 0-0.3 mm, the particle size of the second grade is 0.3-0.85 mm, and the particle size of the third grade is 0-4.75 mm; 3) respectively mixing the three grades of spherical nickel slag with natural aggregate siliceous sand to form mixed aggregate; and 4) mixing water, the mixed aggregate and cement to obtain the concrete material containing the spherical nickel slag. The spherical nickel slag formed by an atomization cooling process is used for reducing the viscosity of the concrete and enhancing the mechanical property, the method is convenient to operate, low in cost and capable of being applied on a large scale, in addition, high fluidity, high water-reducing rate and high strength increase of the concrete are realized by using the spherical SNS, and the feasibility is extremely high.
本发明公开了一种混凝土用降粘增强的球形镍渣材料的制备方法，包括以下步骤：1)用高压冷空气将熔融镍渣吹入空冷区进行冷却，熔融镍渣迅速冷却，形成球形细颗粒的形状；2)按粒径大小将球形镍渣分为三个等级，第一级为0‑0.3mm，第二级为0.3‑0.85mm，第三级为0‑4.75mm；3)将三个等级的球形镍渣分别与天然骨料硅质砂混合后形成混合骨料；4)将水、混合骨料与水泥混合后，得含球形镍渣混凝土材料。本发明利用雾化冷却工艺形成的球形镍渣来降低混凝土粘度增强力学性性能，该方法操作便捷，成本低廉，可大规模应用，另，利用球形SNS实现混凝土高流动度、高减水率、高强度增长，可行性极高。
Preparation method of viscosity-reducing reinforced spherical nickel slag material for concrete
The invention discloses a preparation method of a viscosity-reducing reinforced spherical nickel slag material for concrete, wherein the preparation method comprises the following steps: 1) blowing molten nickel slag into an air cooling area by high-pressure cold air for cooling, and rapidly cooling the molten nickel slag to form the shape of spherical fine particles; 2) dividing the spherical nickel slag into three grades according to the particle size, wherein the particle size of the first grade is 0-0.3 mm, the particle size of the second grade is 0.3-0.85 mm, and the particle size of the third grade is 0-4.75 mm; 3) respectively mixing the three grades of spherical nickel slag with natural aggregate siliceous sand to form mixed aggregate; and 4) mixing water, the mixed aggregate and cement to obtain the concrete material containing the spherical nickel slag. The spherical nickel slag formed by an atomization cooling process is used for reducing the viscosity of the concrete and enhancing the mechanical property, the method is convenient to operate, low in cost and capable of being applied on a large scale, in addition, high fluidity, high water-reducing rate and high strength increase of the concrete are realized by using the spherical SNS, and the feasibility is extremely high.
本发明公开了一种混凝土用降粘增强的球形镍渣材料的制备方法，包括以下步骤：1)用高压冷空气将熔融镍渣吹入空冷区进行冷却，熔融镍渣迅速冷却，形成球形细颗粒的形状；2)按粒径大小将球形镍渣分为三个等级，第一级为0‑0.3mm，第二级为0.3‑0.85mm，第三级为0‑4.75mm；3)将三个等级的球形镍渣分别与天然骨料硅质砂混合后形成混合骨料；4)将水、混合骨料与水泥混合后，得含球形镍渣混凝土材料。本发明利用雾化冷却工艺形成的球形镍渣来降低混凝土粘度增强力学性性能，该方法操作便捷，成本低廉，可大规模应用，另，利用球形SNS实现混凝土高流动度、高减水率、高强度增长，可行性极高。
Preparation method of viscosity-reducing reinforced spherical nickel slag material for concrete
一种混凝土用降粘增强的球形镍渣材料的制备方法
LUO XIANG (Autor:in) / XIA HUANCHAO (Autor:in) / ZHENG CHANGWEI (Autor:in) / HE XI (Autor:in)
24.12.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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