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Method for preparing cemented filling material through cooperation of multi-source industrial waste residues and superfine tailings
The invention relates to a method for preparing a cemented filling material through cooperation of multi-source industrial waste residues and superfine tailings. Comprising the following steps: S1, drying steel slag, fly ash, carbide slag, desulfurized gypsum and blast furnace slag, putting the dried materials into a ball mill, milling the materials to a set grading, weighing the raw materials in proportion, and uniformly mixing the raw materials to form an industrial solid waste-based cementing material; s2, mixing the superfine tailings, the industrial solid waste-based cementing material and water, and uniformly stirring to obtain the cemented filling material, s3, the prepared filling material is cured for 3 days under the standard condition, a uniaxial compressive strength test is conducted for 28 days, and the performance of the cemented filling material is evaluated. The industrial solid waste-based cementing material is prepared by mixing the blast furnace slag as a main body with the steel slag, the fly ash, the carbide slag and the desulfurized gypsum, cement or clinker is not added, the industrial solid waste-based cementing material is suitable for a project of preparing a cemented filling material from fine-fraction tailings, the uniaxial compressive strength of the cemented filling material in 3 days and 28 days is respectively greater than 1MPa and 2.0 MPa, and the compressive strength of the cemented filling material in 3 days and 28 days is greater than 2.0 MPa. And harmless treatment and resource utilization of a large amount of solid waste can be promoted.
本发明涉及一种多源工业废渣协同极细尾砂制备胶结充填材料的方法。包括以下步骤：S1.将钢渣、粉煤灰、电石渣、脱硫石膏、高炉矿渣烘干后放入球磨机磨至既定级配，按比例称重原材料，混合均匀，形成工业固废基胶凝材料；S2.将极细尾砂、工业固废基胶凝材料与水混合，搅拌均匀即得胶结充填材料；S3.将制备好的充填材料在标准条件下养护3天、28天进行单轴抗压强度试验，评价胶结充填材料的性能。本发明所得工业固废基胶凝材料以高炉矿渣为主体，与钢渣、粉煤灰、电石渣、脱硫石膏混合制成，不添加水泥或熟料，适用于细粒级尾砂制备胶结充填材料工程，胶结充填材料3天、28天单轴抗压强度分别大于1MPa、2.0MPa，可促进大宗固废无害化处置和资源化利用。
Method for preparing cemented filling material through cooperation of multi-source industrial waste residues and superfine tailings
The invention relates to a method for preparing a cemented filling material through cooperation of multi-source industrial waste residues and superfine tailings. Comprising the following steps: S1, drying steel slag, fly ash, carbide slag, desulfurized gypsum and blast furnace slag, putting the dried materials into a ball mill, milling the materials to a set grading, weighing the raw materials in proportion, and uniformly mixing the raw materials to form an industrial solid waste-based cementing material; s2, mixing the superfine tailings, the industrial solid waste-based cementing material and water, and uniformly stirring to obtain the cemented filling material, s3, the prepared filling material is cured for 3 days under the standard condition, a uniaxial compressive strength test is conducted for 28 days, and the performance of the cemented filling material is evaluated. The industrial solid waste-based cementing material is prepared by mixing the blast furnace slag as a main body with the steel slag, the fly ash, the carbide slag and the desulfurized gypsum, cement or clinker is not added, the industrial solid waste-based cementing material is suitable for a project of preparing a cemented filling material from fine-fraction tailings, the uniaxial compressive strength of the cemented filling material in 3 days and 28 days is respectively greater than 1MPa and 2.0 MPa, and the compressive strength of the cemented filling material in 3 days and 28 days is greater than 2.0 MPa. And harmless treatment and resource utilization of a large amount of solid waste can be promoted.
本发明涉及一种多源工业废渣协同极细尾砂制备胶结充填材料的方法。包括以下步骤：S1.将钢渣、粉煤灰、电石渣、脱硫石膏、高炉矿渣烘干后放入球磨机磨至既定级配，按比例称重原材料，混合均匀，形成工业固废基胶凝材料；S2.将极细尾砂、工业固废基胶凝材料与水混合，搅拌均匀即得胶结充填材料；S3.将制备好的充填材料在标准条件下养护3天、28天进行单轴抗压强度试验，评价胶结充填材料的性能。本发明所得工业固废基胶凝材料以高炉矿渣为主体，与钢渣、粉煤灰、电石渣、脱硫石膏混合制成，不添加水泥或熟料，适用于细粒级尾砂制备胶结充填材料工程，胶结充填材料3天、28天单轴抗压强度分别大于1MPa、2.0MPa，可促进大宗固废无害化处置和资源化利用。
Method for preparing cemented filling material through cooperation of multi-source industrial waste residues and superfine tailings
一种多源工业废渣协同极细尾砂制备胶结充填材料的方法
WANG BINGWEN (author) / LI QIANLONG (author) / KANG MINGCHAO (author) / ZHOU SENLIN (author) / YANG LEI (author) / LI RUIHONG (author)
2023-08-25
Patent
Electronic Resource
Chinese
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