Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of mine all-tailing paste low-cost early-strength composite filling material
The invention discloses a preparation method of a mine all-tailing paste low-cost early-strength composite filling material. The filling material is prepared from the following materials in percentage by mass: 40-51% of a cementing material, 40-46% of slag powder, 5-11% of lime and 3-6% of a composite adjusting exciting agent, wherein the cementing material components mainly comprise raw materials of CaO, SiO2, AL2O3 and Fe2O3, the raw materials are ground into fine powder, the fine powder is burnt until part of the fine powder is molten to obtain a hydraulic cementing substance, the content of calcium silicate mineral substances is not less than 70% by mass fraction, and the mass ratio of CaO to SiO2 is not less than 2.2; compared with traditional cement, the mine full-tailing paste low-cost early-strength composite filling material has higher early strength and breaking strength, the use amount of a cementing material can be reduced, the mine filling cost can be effectively reduced, and the filling cost can be saved by about 15% under the condition that the mining filling design strength requirement is met.
发明公开了一种矿山全尾砂膏体低成本早强复合充填材料制备方法，充填材料由以下质量百分比计材料组成：胶凝材料40％～51％，矿渣粉40％～46％，石灰5％～11％，复合调节激发剂3％～6％；其中，胶凝材料组分主要含有CaO，SiO2，AL2O3，Fe2O3的原料，磨成细粉，烧至部分熔融得到水硬性胶凝物质，硅酸钙矿物质含量以质量分数记不小于70％，CaO，SiO2质量比不小于2.2；本申请的矿山全尾砂膏体低成本早强复合充填材料用其制备的矿山全尾砂膏体较传统水泥具有更高早期强度和抗折强度，满足矿山开采充填提设计强度要求下，可降低胶凝材料用量，有效降低矿山充填成本，可节约充填成本约15％。
Preparation method of mine all-tailing paste low-cost early-strength composite filling material
The invention discloses a preparation method of a mine all-tailing paste low-cost early-strength composite filling material. The filling material is prepared from the following materials in percentage by mass: 40-51% of a cementing material, 40-46% of slag powder, 5-11% of lime and 3-6% of a composite adjusting exciting agent, wherein the cementing material components mainly comprise raw materials of CaO, SiO2, AL2O3 and Fe2O3, the raw materials are ground into fine powder, the fine powder is burnt until part of the fine powder is molten to obtain a hydraulic cementing substance, the content of calcium silicate mineral substances is not less than 70% by mass fraction, and the mass ratio of CaO to SiO2 is not less than 2.2; compared with traditional cement, the mine full-tailing paste low-cost early-strength composite filling material has higher early strength and breaking strength, the use amount of a cementing material can be reduced, the mine filling cost can be effectively reduced, and the filling cost can be saved by about 15% under the condition that the mining filling design strength requirement is met.
发明公开了一种矿山全尾砂膏体低成本早强复合充填材料制备方法，充填材料由以下质量百分比计材料组成：胶凝材料40％～51％，矿渣粉40％～46％，石灰5％～11％，复合调节激发剂3％～6％；其中，胶凝材料组分主要含有CaO，SiO2，AL2O3，Fe2O3的原料，磨成细粉，烧至部分熔融得到水硬性胶凝物质，硅酸钙矿物质含量以质量分数记不小于70％，CaO，SiO2质量比不小于2.2；本申请的矿山全尾砂膏体低成本早强复合充填材料用其制备的矿山全尾砂膏体较传统水泥具有更高早期强度和抗折强度，满足矿山开采充填提设计强度要求下，可降低胶凝材料用量，有效降低矿山充填成本，可节约充填成本约15％。
Preparation method of mine all-tailing paste low-cost early-strength composite filling material
一种矿山全尾砂膏体低成本早强复合充填材料制备方法
SHI HONGWEI (Autor:in) / HUANG HAO (Autor:in) / YAN QINGWEN (Autor:in) / WANG YONGBING (Autor:in) / FANG XUGANG (Autor:in) / XIONG YOUWEI (Autor:in) / ZHANG ZHUJIU (Autor:in) / LIU WEIJUN (Autor:in) / PAN ZHANGWEI (Autor:in) / CHA QIANGHUA (Autor:in)
29.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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