Water-resisting high-strength gypsum-base concrete brick or building block, and producing method thereof
A technology of concrete bricks and high-strength gypsum, which is applied in the field of building wall materials, can solve the problems of occupying land, pollute the environment and groundwater resources, etc., and achieve the effects of protecting the environment and reducing production costs.
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[0021] The present invention will be further described below in conjunction with embodiment.
[0022] (1) Example of Optimizing the Proportion of Desulfurized Gypsum and Fluorogypsum
[0023] Raw materials: desulfurized gypsum containing 10% free moisture (calculated as dry material), ground fluorine gypsum, ground water-quenched slag, Portland cement (325 # ), lime, and fillers are slag and finely ground alum with a particle size less than 10mm, and their weight ratio is:
[0024] Desulfurization gypsum: fluorine gypsum: water-quenched slag: cement: lime: alum: slag
[0025] 1 # =63.6 0 27.3 9.1 4.0 2.0 100
[0026] 2 # =53.6 10.0 27.3 9.1 4.0 2.0 100
[0027] 3 # =43.6 20.0 27.3 9.1 4.0 2.0 100
[0028] 4 # =33.6 30.0 27.3 9.1 4.0 2.0 100
[0029] 5 # =23.6 40.0 27.3 9.1 4.0 2.0 100
[0030] 6 # =13.6 50.0 27.3 9.1 4.0 2.0 100
[0031] 7 # =0 63.6 27.3 9.1 4.0 2.0 100
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