Novel molybdenum tailing sand thermal insulation mortar and preparation method thereof: Fid-Bau Portal

Novel molybdenum tailing sand thermal insulation mortar and preparation method thereof

DUAN YANBO / ZHANG HENG / WANG YONG

The preparation method comprises the following steps: step one, preparing the following raw materials in parts by weight: 25-50 parts of molybdenum tailing sand, 25-60 parts of cement, 15-20 parts of ceramic particles, 19-25 parts of a cementing material, 5-30 parts of an anti-crack fiber expanding agent, 1-5 parts of a water reducing agent, 20-25 parts of expanded perlite and 120-150 parts of water; the method comprises the steps that firstly, prepared molybdenum tailing sand is sieved, so that the diameter of the molybdenum tailing sand is 0.15-0.3 mm; step 2, uniformly mixing the sieved molybdenum tailing sand with the prepared cement, ceramic particles, a cementing material, an anti-crack fiber expanding agent, a water reducing agent, expanded perlite and water to obtain thermal insulation mortar; the molybdenum tailing sand is used for processing and preparing the thermal insulation mortar, and the cement, the ceramic particles, the cementing material, the anti-crack fiber expanding agent, the water reducing agent and the expanded perlite which are reasonably proportioned are matched, so that the prepared thermal insulation mortar is more stable and better in adhesiveness, the thermal insulation effect is improved, the molybdenum tailing sand is fully utilized, and waste of resources is avoided.

本发明公开了一种新型钼尾矿砂保温砂浆及制备方法，步骤一：按照以下重量组份准备原料，钼尾矿砂25‑50份、水泥25‑60份、陶瓷颗粒15‑20份、胶凝材料19‑25份、抗裂纤维膨胀剂5‑30份、减水剂1‑5份、膨胀珍珠岩20‑25、水120‑150份；步骤一：将备好的钼尾矿砂进行过筛，使得钼尾矿砂的直径在0.15‑0.3mm；步骤二：将过筛好的钼尾矿砂与备好的水泥、陶瓷颗粒、胶凝材料、抗裂纤维膨胀剂、减水剂、膨胀珍珠岩以及水均匀混合，即可得到保温砂浆；本发明利用钼尾矿砂进行加工制备保温砂浆，并且配合合理配比的水泥、陶瓷颗粒、胶凝材料、抗裂纤维膨胀剂、减水剂、膨胀珍珠岩，使得制备的保温砂浆更加的稳定，粘合性更好，保温效果提升，并且充分利用了钼尾矿砂，避免了资源的浪费。

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