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Filling cementing material for mine recovery and preparation method thereof
The invention belongs to the technical field of blasting for underground mining, and discloses a filling cementing material for mine recovery and a preparation method thereof. The filling cementing material is prepared from the following components in parts by weight: 50 to 100 parts of total tailings, 100 to 200 parts of graded tailings, 200 to 300 parts of lithium-containing mine wastes, 25 to 50 parts of fly ash, 30 to 50 parts of modified coal gangue, 40 to 60 parts of sulfate, 30 to 50 parts of alkaline compound, 40 to 70 parts of fiber polymer compound, 10 to 50 percent of ionic surfactant, 10 to 20 parts of amino water reducer and 300 to 600 parts of water. According to the method, the selection, the material ratio, the strength and the like of filling materials are determined, and technical support is provided for mine stoping.
本发明属于地下采矿用爆破技术领域，公开了一种用于矿山回采的充填胶结材料及其制备方法。该充填胶结材料，按重量份由全尾砂50‑100份、分级尾砂100‑200份、含锂矿山废物200‑300份、粉煤灰25‑50份、改性煤矸石30‑50份、硫酸盐占40‑60份、碱性复合物占30‑50份、纤维高分子复合物占40‑70份、离子表面活性剂占10‑50％、氨基减水剂占10‑20份以及水300‑600份组成。本发明确定充填材料选择、材料配比和强度等，为矿山回采提供技术支持。
Filling cementing material for mine recovery and preparation method thereof
The invention belongs to the technical field of blasting for underground mining, and discloses a filling cementing material for mine recovery and a preparation method thereof. The filling cementing material is prepared from the following components in parts by weight: 50 to 100 parts of total tailings, 100 to 200 parts of graded tailings, 200 to 300 parts of lithium-containing mine wastes, 25 to 50 parts of fly ash, 30 to 50 parts of modified coal gangue, 40 to 60 parts of sulfate, 30 to 50 parts of alkaline compound, 40 to 70 parts of fiber polymer compound, 10 to 50 percent of ionic surfactant, 10 to 20 parts of amino water reducer and 300 to 600 parts of water. According to the method, the selection, the material ratio, the strength and the like of filling materials are determined, and technical support is provided for mine stoping.
本发明属于地下采矿用爆破技术领域，公开了一种用于矿山回采的充填胶结材料及其制备方法。该充填胶结材料，按重量份由全尾砂50‑100份、分级尾砂100‑200份、含锂矿山废物200‑300份、粉煤灰25‑50份、改性煤矸石30‑50份、硫酸盐占40‑60份、碱性复合物占30‑50份、纤维高分子复合物占40‑70份、离子表面活性剂占10‑50％、氨基减水剂占10‑20份以及水300‑600份组成。本发明确定充填材料选择、材料配比和强度等，为矿山回采提供技术支持。
Filling cementing material for mine recovery and preparation method thereof
一种用于矿山回采的充填胶结材料及其制备方法
SHAO BIN (author) / RONG SHIGUANG (author) / ZHANG QIAN (author) / LI XUEWEN (author)
2024-11-15
Patent
Electronic Resource
Chinese
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