Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses heat-preservation and energy-saving bricks made from Taihu silt. The bricks comprise the following raw materials in percentage by weight: 25 to 45 percent of Taihu silt, 1 to 20 percent of illite, 1 to 15 percent of kaolin, 10 to 20 percent of waste clinker, 1 to 10 percent of quartz, 5 to 20 percent of feldspar, 1 to 5 percent of a dry-blend and 3 to 8 percent of water. The preparation method for the heat-preservation and energy-saving bricks comprises the following steps of preparing the Taihu silt; weighing the raw materials in percentage by weight, and rolling and kneading the raw materials into uniform clay strips; performing vacuum extrusion forming to obtain wet blanks, wherein the forming pressure is 2.0 to 4.0MPa; drying the wet blanks for 2 to 4 hours at 100 to 200 DEG C to obtain dried blank bodies; firing the dried blank bodies for 3 to 20 hours at firing temperature of 1,000 to 1,200 DEG C to obtain heat-preservation and energy-saving brick finished products. According to the heat-preservation and energy-saving bricks, the Taihu silt is effectively cleaned and stacked, and the fired products have the characteristics of heat preservation, waterproofness, shock resistance, durability and the like.
The invention discloses heat-preservation and energy-saving bricks made from Taihu silt. The bricks comprise the following raw materials in percentage by weight: 25 to 45 percent of Taihu silt, 1 to 20 percent of illite, 1 to 15 percent of kaolin, 10 to 20 percent of waste clinker, 1 to 10 percent of quartz, 5 to 20 percent of feldspar, 1 to 5 percent of a dry-blend and 3 to 8 percent of water. The preparation method for the heat-preservation and energy-saving bricks comprises the following steps of preparing the Taihu silt; weighing the raw materials in percentage by weight, and rolling and kneading the raw materials into uniform clay strips; performing vacuum extrusion forming to obtain wet blanks, wherein the forming pressure is 2.0 to 4.0MPa; drying the wet blanks for 2 to 4 hours at 100 to 200 DEG C to obtain dried blank bodies; firing the dried blank bodies for 3 to 20 hours at firing temperature of 1,000 to 1,200 DEG C to obtain heat-preservation and energy-saving brick finished products. According to the heat-preservation and energy-saving bricks, the Taihu silt is effectively cleaned and stacked, and the fired products have the characteristics of heat preservation, waterproofness, shock resistance, durability and the like.
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