Method to produce durable non-vitrified fly ash bricks and blocks



The invention relates to a durable coal dust brick, a block, an air brick and other construction product without burning. Through the special method of the invenion, the soot can be made into durable brick and other product, rather than heating the rough produces in the brickkiln, thereby reducing the required energy consumption and cost. The soot used to produce the brick and other construction products usually is processed as the solid castoff, thereby reducing the castoff generated in the coal power plant. Furthermore, using the soot products without burning (no sinter) can reduce the use of the sinter clay products which need to heat the product in the brickkiln by using the mineral fuels, thereby generating the air pollution and carbon dioxide, while the latter can cause the green house effect and global warming.




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