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Introduction to the molding and production of lightweight mullite bricks
Date:2020-02-17 16:30 | From:Zhengzhou Sunrise Refractory | Author:admin
The production of lightweight mullite bricks uses sawdust, styrofoam pellets and their mixtures as additives for ashes. Add ingredients according to the formula. When mixing ingredients, first add clinker, industrial alumina, kaolin to the mixing tank for dry mixing for 2-3 minutes, and then add additives and binding agents (additional). Stir while adding. After 24 hours of sleepy material can be used.
Molding and drying, using high-frequency vibration pressure molding light mullite bricks, 230 x 114 x 65mm. First weigh the weight of the raw materials (calculated according to the density). The key is to adjust the pressure and time during molding. Otherwise, the bricks are pressed and layered, and the additives are concentrated in the upper layer. After burning, surface defects are likely to occur. Bake at 40 ° C for 24 hours and 60 ° C for 24 hours.
After firing, the bricks are fired in a domestic 24M heavy oil tunnel kiln. The temperature is controlled at 1400 ± 10 ℃, the firing cycle is 24 hours, the heat preservation is 4 hours, and the cart speed is 60 minutes / car.
In summary, the composite slag method using sawdust and foamed polystyrene beads composite additive to produce light mullite bricks has reasonable structure, simple production process, short production cycle, low cost, high production efficiency, and good effect. .
If you are interested in our fused azs bricks, or need other types of refractory materials, please contact our Tianyang Refractory Group, we will definitely provide you with the best quality refractory materials and the most reasonable quotation.
Molding and drying, using high-frequency vibration pressure molding light mullite bricks, 230 x 114 x 65mm. First weigh the weight of the raw materials (calculated according to the density). The key is to adjust the pressure and time during molding. Otherwise, the bricks are pressed and layered, and the additives are concentrated in the upper layer. After burning, surface defects are likely to occur. Bake at 40 ° C for 24 hours and 60 ° C for 24 hours.
After firing, the bricks are fired in a domestic 24M heavy oil tunnel kiln. The temperature is controlled at 1400 ± 10 ℃, the firing cycle is 24 hours, the heat preservation is 4 hours, and the cart speed is 60 minutes / car.
In summary, the composite slag method using sawdust and foamed polystyrene beads composite additive to produce light mullite bricks has reasonable structure, simple production process, short production cycle, low cost, high production efficiency, and good effect. .
If you are interested in our fused azs bricks, or need other types of refractory materials, please contact our Tianyang Refractory Group, we will definitely provide you with the best quality refractory materials and the most reasonable quotation.