Cementing material for curing heavy metals and application thereof

The invention provides a gelling material for curing heavy metals, and belongs to the technical field of metallurgical waste residue treatment, the gelling material comprises a dry basis raw material, water and a water reducing agent; the dry basis raw materials comprise the following components in percentage by mass: 20-60% of steel slag, 20-60% of mineral slag and 5-40% of gypsum; the mass of the water is 0.1%-1% of the mass of the dry-based raw material, and the mass of the water reducing agent is 0-0.5% of the mass of the dry-based raw material. The invention further provides application of the binding material for solidifying the heavy metal in heavy metal tailing treatment. 本发明提供了一种固化重金属的胶凝材料，属于冶金废渣处理技术领域，所述胶凝材料包括干基原料、水和减水剂；以质量分数计，所述干基原料包括：钢渣：20％～60％，矿渣：20％～60％，石膏：5％～40％；所述水的质量为所述干基原料质量的0.1％～1％，所述减水剂的质量为所述干基原料质量的0～0.5％。本发明还提供了一种固化重金属的胶凝材料在重金属尾砂处理中的应用。