Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alkali-activated cementing material doped with high-silicon iron tailings and red mud and preparation method of alkali-activated cementing material
The invention belongs to the field of alkali-activated inorganic nonmetal cementing materials, and particularly relates to an alkali-activated cementing material doped with high-silicon iron tailings and red mud and a preparation method of the alkali-activated cementing material. The material comprises the following raw materials: 30 to 50 parts of high-silicon iron tailings; 15 to 20 parts of red mud; 20 to 35 parts of coal gangue; 10 to 15 parts of alkaline residues; and 1-5 parts of an alkaline activator. The preparation method comprises the following steps: adding the high-silicon iron tailings, the red mud and the coal gangue into a stirrer, performing uniform stirring, dissolving the alkaline residues into the alkaline exciting agent, adding the mixture into the stirrer after the alkaline residues are completely dissolved, performing stirring and mixing at a low speed, pouring the standard sand into a stirring pot, stopping stirring, and performing stirring again to obtain alkali-activated cementing material slurry; injecting the obtained alkali-activated cementing material slurry into a mold, carrying out coagulation and hardening to remove the mold, and performing curing in a curing device to obtain the target product. The concrete is good in gelling property, ideal in impermeability and high in compressive strength, and has a micro-expansion compensation function.
本发明属碱激发无机非金属胶凝材料领域，尤其涉及一种掺高硅型铁尾矿与赤泥的碱激发胶凝材料及其制备方法，包括如下原料：高硅型铁尾矿30～50份；赤泥15～20份；煤矸石20～35份；碱渣10～15份；碱性激发剂1～5份；制备方法：将高硅型铁尾矿、赤泥、煤矸石加入搅拌机中搅拌均匀，再将碱渣溶于碱性激发剂中，待完全溶解后加入搅拌机，低速搅拌混合，再将标准砂倒入搅拌锅中，停拌，再搅拌，即得碱激发胶凝材料浆体；将所得碱激发胶凝材料浆体注入模具中，凝结硬化拆模，然后置于养护装置中进行养护，即得目的产品。本发明胶凝性好，抗渗性能理想，抗压强度高，具有微膨胀补偿功能。
Alkali-activated cementing material doped with high-silicon iron tailings and red mud and preparation method of alkali-activated cementing material
The invention belongs to the field of alkali-activated inorganic nonmetal cementing materials, and particularly relates to an alkali-activated cementing material doped with high-silicon iron tailings and red mud and a preparation method of the alkali-activated cementing material. The material comprises the following raw materials: 30 to 50 parts of high-silicon iron tailings; 15 to 20 parts of red mud; 20 to 35 parts of coal gangue; 10 to 15 parts of alkaline residues; and 1-5 parts of an alkaline activator. The preparation method comprises the following steps: adding the high-silicon iron tailings, the red mud and the coal gangue into a stirrer, performing uniform stirring, dissolving the alkaline residues into the alkaline exciting agent, adding the mixture into the stirrer after the alkaline residues are completely dissolved, performing stirring and mixing at a low speed, pouring the standard sand into a stirring pot, stopping stirring, and performing stirring again to obtain alkali-activated cementing material slurry; injecting the obtained alkali-activated cementing material slurry into a mold, carrying out coagulation and hardening to remove the mold, and performing curing in a curing device to obtain the target product. The concrete is good in gelling property, ideal in impermeability and high in compressive strength, and has a micro-expansion compensation function.
本发明属碱激发无机非金属胶凝材料领域，尤其涉及一种掺高硅型铁尾矿与赤泥的碱激发胶凝材料及其制备方法，包括如下原料：高硅型铁尾矿30～50份；赤泥15～20份；煤矸石20～35份；碱渣10～15份；碱性激发剂1～5份；制备方法：将高硅型铁尾矿、赤泥、煤矸石加入搅拌机中搅拌均匀，再将碱渣溶于碱性激发剂中，待完全溶解后加入搅拌机，低速搅拌混合，再将标准砂倒入搅拌锅中，停拌，再搅拌，即得碱激发胶凝材料浆体；将所得碱激发胶凝材料浆体注入模具中，凝结硬化拆模，然后置于养护装置中进行养护，即得目的产品。本发明胶凝性好，抗渗性能理想，抗压强度高，具有微膨胀补偿功能。
Alkali-activated cementing material doped with high-silicon iron tailings and red mud and preparation method of alkali-activated cementing material
掺高硅型铁尾矿与赤泥的碱激发胶凝材料及其制备方法
GU XIAOWEI (Autor:in) / HU ZIYANG (Autor:in) / LIU JIANPING (Autor:in) / CHI HAOFENG (Autor:in) / WANG HAIYU (Autor:in)
30.04.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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