Method for preparing baking-free brick from industrial solid waste
A technology of solid waste and manufacturing method, applied in the field of non-steamed building non-burning bricks and its preparation, preparation of non-burning, which can solve the problems of endangering human health, silting river courses, affecting biological growth, etc.
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Embodiment 1
[0019] The present embodiment utilizes the method for unburned bricks of industrial solid waste, and by weight percentage, its raw material composition comprises: iron tailings (grain size is greater than 180 order particle weight accounts for 20% of total weight) 40%, fly ash 10%, Ceramsite 30%, water glass 13% (water glass modulus 2.8), polyaluminum phosphate accounts for 3% of water glass weight, sodium sulfate accounts for 1% of water glass weight, commonly used polycarboxylate water reducer (solid content is 40wt%) 0.5%, the balance of water.
[0020] The method for using unburned bricks from industrial solid waste, the process steps of the method are: raw material metering and mixing-vibration (or pressure) forming-curing-demolding-curing-finished product; after the above-mentioned raw materials are fully mixed, the Put the mixture into the burn-free brick mold, vibrate it compactly, and maintain it at 20°C for 24 hours, demould after curing, and continue curing at room ...
Embodiment 2
[0022] The present embodiment utilizes the method for unburned bricks of industrial solid waste, and by weight percentage, its raw material composition comprises: copper tailings (grain size is greater than 180 order particle weight accounts for 25% of total weight) 40%, fly ash 15%, Coarse sand 25%, water glass 9% (water glass modulus 2.6), sodium sulfate accounts for 2% of the weight of water glass, commonly used lignin water reducer 0.5%, water balance.
[0023] The method for using unburned bricks from industrial solid waste, the process steps of the method are: raw material metering and mixing-vibration (or pressure) forming-curing-demolding-curing-finished product; after the above-mentioned raw materials are fully mixed, the Put the mixture into the burn-free brick mold, vibrate it compactly, and maintain it at 20°C for 2 days, demould after curing, and continue to maintain it at room temperature for 28 days to obtain a finished product with a porosity of 45% and a compre...
Embodiment 3
[0025] Present embodiment utilizes the method for unburned brick of industrial solid waste, and by weight percentage, its raw material composition comprises: boron mud (grain size is greater than 180 order particle weight accounts for 18% of total weight) 57%, cement 10%, coarse sand 5% %, silicon phosphate 20%, commonly used polycarboxylate superplasticizer 1%, calcium formate 2%, and the balance of water.
[0026] The method for using unburned bricks from industrial solid waste, the process steps of the method are: raw material metering and mixing-vibration (or pressure) forming-curing-demolding-curing-finished product; after the above-mentioned raw materials are fully mixed, the The mixture was put into a non-fired brick mold, and pressure-molded at 5MPa, cured at 30°C for 24 hours, demolded after curing, and continued to be cured at room temperature for 28 days to obtain a finished product with a porosity of 43%. The compressive strength is 13.2MPa.
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