Inorganic sand-based water permeable brick and preparation method thereof

• Main Authors: TANG PENGFEI, DONG TAIXUAN, GUO HAORU, LI GUOZUN, CHEN HONGSHENG, DONG JIANYI, YAN CHENGYOU
• Format: Patent
• Language: Chinese; English
• Published: 09.08.2022
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention discloses an inorganic sand-based water permeable brick and a preparation method thereof, and belongs to the technical field of water permeable bricks, the inorganic sand-based water permeable brick comprises a base layer and a surface layer, the base layer is prepared from the following raw materials: aggregate, an inorganic cementing material and a water reducing agent; the surface layer is prepared from the following raw materials: natural colored sand, hard silica sand, a reinforcing agent, an inorganic cementing material and pigment; the reinforcing agent is prepared from the following raw materials in parts by weight: 10-20 parts of calcium polyacrylate, 10-20 parts of calcium lignosulphonate, 10-20 parts of sodium nitrite, 2-5 parts of cellulose ether, 3-5 parts of triethanolamine, 5-10 parts of a water reducing agent and 20-60 parts of deionized water. According to the inorganic sand-based water permeable brick provided by the invention, the natural color sand and the hard silica sand wi