Mining bi-component inorganic grouting material and preparation method thereof

The invention relates to the technical field of grouting material processing, and particularly discloses a mining two-component inorganic grouting material and a preparation method thereof. The grouting material comprises a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 27-47 parts of quick-hardening sulphoaluminate cement, 2-8 parts of superfine mineral powder, 0.5-1.5 parts of a water reducing agent, 1-5 parts of an expanding agent, 1.5-3.5 parts of rubber powder, 6.5-15 parts of water and 3-9 parts of modified carbon nanotubes; the component B is prepared from the following raw materials in parts by weight: 36 to 56 parts of quick-setting and quick-hardening sulphoaluminate cement, 0.5 to 3.5 parts of retarder, 1 to 3 parts of cellulose, 0.2 to 0.8 part of lithium chloride and 9 to 22 parts of water; the preparation method comprises the following steps: preparing the component A and the component B, and mixing to obtain the grouting material