High blending flyash porcelain brick and its making method
A technology of fly ash and porcelain bricks, which is applied in the field of porcelain ceramics for construction and its preparation, can solve the problems such as the production cost of porcelain bricks cannot be reduced, and achieve enhanced bonding, simplified raw material formulations, and enhanced plasticization Effect
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Embodiment 1
[0029] Implementation example 1: (1) formula: 60% fly ash+35% kaolin+5% feldspar; (2) process flow and main process parameters: fly ash dry ball milling for 3 hours; adopt wet mixing method to prepare pulp Mix 10% water for granulation; use 40MPa pressure to form; 850°C for 30 minutes at medium heat; 1210°C for 40 minutes at high heat; firing temperature is 1210°C. (3) Product appearance and performance: The product is grain-like, white-gray and slightly reddish, with a water absorption rate of 0.18% and a modulus of rupture of 40MPa.
Embodiment 2
[0030] Implementation example 2: (1) Formula: 70% fly ash+25% kaolin+5% feldspar; (2) Process flow and main process parameters: fly ash dry ball milling for 3 hours; wet mixing method for batching and pulping ; mix 9% water for granulation; use 40MPa pressure to form; 850 ℃ medium fire for 30 minutes; 1210 ℃ high fire for 40 minutes; firing temperature is 1210 ℃. (3) Product appearance and performance: The product is grain-like, dark gray and slightly reddish, with a water absorption rate of 0.16% and a modulus of rupture of 44MPa.
Embodiment 3
[0031] Implementation example 3: (1) formula: 65% fly ash+30% kaolin+5% feldspar; (2) process flow and main process parameters: adopt wet method ball mill method mixing ball mill pulping; mix 9% water Carry out granulation; utilize the pressure of 40MPa to form; 850 ℃ medium fire heat preservation 50min; 1210 ℃ high fire heat preservation 60min; Firing temperature is 1210 ℃. (3) Product appearance and performance: The product is fine and smooth, blue-gray, with a water absorption rate of 0.1% and a modulus of rupture of 47MPa.
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