A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses an environment-friendly porous ceramic tile and a preparation method thereof, belonging to the technical fields of waste treatment and building materials. The porous ceramic tile is prepared from the following raw materials in parts by mass: 35-45 parts of lake sludge, 30-40 parts of clamshells and 15-30 parts of fallen plant leaves. The preparation method comprises the following specific steps: mixing the lake sludge and the fallen plant leaves according to a certain ratio and carrying out uniform stirring to obtain a sludge mixture; crushing the clamshells, carrying out ball milling to obtain powder, weighing the clamshell powder according to a certain ratio, adding the clamshell powder into sludge slurry, and carrying out uniform stirring to obtain mixed slurry;carrying out sealed aging at room temperature for 12 hours, putting the aged mixed slurry into a brick making mold, and carrying out compression molding to obtain a green brick blank; putting the green brick blank into a kiln, carrying out preheating for a period of time, and conducting sintering according to a certain temperature schedule; and then performing air-cooling to room temperature alongwith the furnace so as to obtain the porous ceramic tile with an apparent density of 0.52-0.64 g/cm<3>, a porosity of 66.0-78.4% and compressive strength of 7.8-10.5 MPa. According to the invention,recycling of waste such as the lake sludge, the clamshells and the fallen plant leaves is achieved, environmental pollution is reduced, and the production cost of building materials is reduced.
一种环保多孔陶瓷砖及其制备方法，属于废弃物处理及建筑材料技术领域。用于制备该多孔陶瓷砖所用的原料及其质量份数为：湖泊淤泥35～45份，河蚌壳30～40份，植物落叶15～30份。具体制备方法是先将湖泊淤泥和植物落叶按照一定配比混合，搅拌均匀，得到淤泥混合物，接着将河蚌壳破碎、球磨成粉后，按照一定配比，称量河蚌壳粉，加入淤泥浆料中，搅拌均匀，得到混合浆料，然后在室温条件下密封陈化12小时，放入制砖模具中压制成型，得到生砖胚。将生砖胚置于窑炉中，预热一段时间后，按照一定的温度制度进行烧结，接着随炉空冷至室温，得到表观密度为0.52～0.64g/cm、气孔率为66.0～78.4％、抗压强度为7.8～10.5MPa的多孔陶瓷砖，实现了湖泊淤泥、河蚌壳和植物落叶等废弃物的再利用，减轻了环境污染，降低了建筑材料的生产成本。
The invention discloses an environment-friendly porous ceramic tile and a preparation method thereof, belonging to the technical fields of waste treatment and building materials. The porous ceramic tile is prepared from the following raw materials in parts by mass: 35-45 parts of lake sludge, 30-40 parts of clamshells and 15-30 parts of fallen plant leaves. The preparation method comprises the following specific steps: mixing the lake sludge and the fallen plant leaves according to a certain ratio and carrying out uniform stirring to obtain a sludge mixture; crushing the clamshells, carrying out ball milling to obtain powder, weighing the clamshell powder according to a certain ratio, adding the clamshell powder into sludge slurry, and carrying out uniform stirring to obtain mixed slurry;carrying out sealed aging at room temperature for 12 hours, putting the aged mixed slurry into a brick making mold, and carrying out compression molding to obtain a green brick blank; putting the green brick blank into a kiln, carrying out preheating for a period of time, and conducting sintering according to a certain temperature schedule; and then performing air-cooling to room temperature alongwith the furnace so as to obtain the porous ceramic tile with an apparent density of 0.52-0.64 g/cm<3>, a porosity of 66.0-78.4% and compressive strength of 7.8-10.5 MPa. According to the invention,recycling of waste such as the lake sludge, the clamshells and the fallen plant leaves is achieved, environmental pollution is reduced, and the production cost of building materials is reduced.
一种环保多孔陶瓷砖及其制备方法，属于废弃物处理及建筑材料技术领域。用于制备该多孔陶瓷砖所用的原料及其质量份数为：湖泊淤泥35～45份，河蚌壳30～40份，植物落叶15～30份。具体制备方法是先将湖泊淤泥和植物落叶按照一定配比混合，搅拌均匀，得到淤泥混合物，接着将河蚌壳破碎、球磨成粉后，按照一定配比，称量河蚌壳粉，加入淤泥浆料中，搅拌均匀，得到混合浆料，然后在室温条件下密封陈化12小时，放入制砖模具中压制成型，得到生砖胚。将生砖胚置于窑炉中，预热一段时间后，按照一定的温度制度进行烧结，接着随炉空冷至室温，得到表观密度为0.52～0.64g/cm、气孔率为66.0～78.4％、抗压强度为7.8～10.5MPa的多孔陶瓷砖，实现了湖泊淤泥、河蚌壳和植物落叶等废弃物的再利用，减轻了环境污染，降低了建筑材料的生产成本。
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