Dry-mixed mortar with coal gangue, and preparation method thereof
A technology of dry-mixed mortar and coal gangue, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of incomplete combustion of coal gangue, limited source of materials, low activity, etc., and achieve social benefits and The effect of obvious economic benefits, reduction of environmental pollution, and sufficient source of raw materials
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[0021] Example 1:
[0022] A dry-mixed coal gangue mortar, which is mainly made of coal gangue sand, coal gangue powder, lime, gypsum, plasticizer and cement. The weight of each component is: coal gangue sand 77.5, coal gangue powder 15. Lime 2.5, gypsum 1, plasticizer 0.02 and cement 4
[0023] The above-mentioned preparation method of coal gangue dry-mix mortar includes the following steps:
[0024] 1. Preparation of coal gangue sand and coal gangue powder: the coal gangue is calcined and activated at 750℃-850℃, and then the calcined and activated coal gangue is separated by mechanical friction, and then sieved through a 4.75mm screen. It is coal gangue sand and coal gangue powder.
[0025] 2. The parts by weight of each component are: coal gangue sand 77.5, coal gangue powder 15, lime 2.5, gypsum 1, plasticizer 0.02 and cement 4 through mixing to obtain the product.
Example Embodiment
[0026] Example 2:
[0027] A dry-mixed coal gangue mortar, which is mainly made of coal gangue sand, coal gangue powder, lime, gypsum, plasticizer and cement. The weight of each component is: coal gangue sand 75, coal gangue powder 17.5, lime 2.5, gypsum 1, plasticizer 0.02 and cement 4.
[0028] The preparation method is the same as in Example 1.
Example Embodiment
[0029] Example 3:
[0030] A dry-mixed coal gangue mortar, which is mainly made of coal gangue sand, coal gangue powder, lime, gypsum, plasticizer and cement. The weight of each component is: coal gangue sand 75, coal gangue powder 17.5, lime 0.5, gypsum 1, plasticizer 0.02 and cement 6.
[0031] The preparation method is the same as in Example 1.
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