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All-solid-waste cementing material for fine tailing filling and preparation method thereof
The invention provides an all-solid-waste cementing material for fine tailing filling and a preparation method, and belongs to the technical field of tailing filling mining. According to the material,steel slag is used for replacing clinker or lime or other alkaline materials, the synergistic and self-excitation action mechanism of steel slag and chemical gypsum is utilized, no artificial material is added, and the cementing material is prepared from, by weight, 35%-50% of steel slag, 15%-25% of chemical gypsum and 25%-50% of slag. The cementing material is high in utilization rate of low-quality solid waste, wide in source, low in material cost and suitable for preparation of fine tailing filling slurry for filling method mining, the fine tailing filling body has micro-expansibility, roof contact of a filling stope is facilitated, and therefore the stability of the filling stope is improved.
本发明提供一种用于细尾砂充填的全固废胶凝材料及制备方法，属于尾砂充填采矿技术领域。该材料以钢渣代替熟料或石灰或其他碱性材料，利用钢渣与化学石膏的协同与自激发作用机理，不添加任何人工材料，按照下述的重量配比制备胶凝材料：钢渣35％‑50％、化学石膏15％‑25％、矿渣25％‑50％。该胶凝材料中低品质固废利用率高、来源广、材料成本低，适用于制备细尾砂充填料浆进行充填法采矿，且细尾砂充填体具有微膨胀性，有利于充填采场接顶，从而提高充填采场的稳定性。
All-solid-waste cementing material for fine tailing filling and preparation method thereof
The invention provides an all-solid-waste cementing material for fine tailing filling and a preparation method, and belongs to the technical field of tailing filling mining. According to the material,steel slag is used for replacing clinker or lime or other alkaline materials, the synergistic and self-excitation action mechanism of steel slag and chemical gypsum is utilized, no artificial material is added, and the cementing material is prepared from, by weight, 35%-50% of steel slag, 15%-25% of chemical gypsum and 25%-50% of slag. The cementing material is high in utilization rate of low-quality solid waste, wide in source, low in material cost and suitable for preparation of fine tailing filling slurry for filling method mining, the fine tailing filling body has micro-expansibility, roof contact of a filling stope is facilitated, and therefore the stability of the filling stope is improved.
本发明提供一种用于细尾砂充填的全固废胶凝材料及制备方法，属于尾砂充填采矿技术领域。该材料以钢渣代替熟料或石灰或其他碱性材料，利用钢渣与化学石膏的协同与自激发作用机理，不添加任何人工材料，按照下述的重量配比制备胶凝材料：钢渣35％‑50％、化学石膏15％‑25％、矿渣25％‑50％。该胶凝材料中低品质固废利用率高、来源广、材料成本低，适用于制备细尾砂充填料浆进行充填法采矿，且细尾砂充填体具有微膨胀性，有利于充填采场接顶，从而提高充填采场的稳定性。
All-solid-waste cementing material for fine tailing filling and preparation method thereof
一种用于细尾砂充填的全固废胶凝材料及制备方法
WEN ZHENJIANG (author) / WU FAN (author) / YANG XIAOBING (author) / BA LEI (author) / GAO QIAN (author) / WEI HANBO (author) / GUO BIN (author) / HU YAJUN (author) / TU GUANGFU (author)
2020-10-23
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Cementing material capable of realizing fine-fraction tailing filling and preparation method thereof
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