Red mud-fly ash polymerization type inorganic cementing material, preparation method and application thereof
A technology of inorganic cementitious materials and fly ash, which is applied in the field of building materials, can solve the problems of large-scale comprehensive utilization of red mud, complex material composition of red mud, and difficulty in comprehensive utilization, and achieve low cost and low production cost. Low, versatile effect
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Embodiment 1
[0028] The red mud-fly ash polymerized inorganic gelling material is prepared according to the following steps:
[0029] a. Weigh 50g of red mud and 150g of fly ash, and use the Bayer method to ball mill the red mud to pass through a 60-mesh sieve, mix evenly, and set aside;
[0030] B, take by weighing 45g of low-alkali sodium silicate, according to the ratio of solid-liquid ratio 0.35g:1mL, add tap water and fully stir in low-alkali sodium silicate, be mixed with low-alkali sodium silicate aqueous solution;
[0031] c. Slowly add the low-alkali sodium silicate aqueous solution obtained in step b to the mixed slag material in step a, stir while adding, and adjust the consistency by adding a small amount of tap water according to the situation. In this example, the amount of water added is about 26ml to obtain glue condensate material.
[0032] Performance testing of cementitious materials:
[0033] The gelled material was tested for tensile collagen strength, tensile collag...
Embodiment 2
[0036] The red mud-fly ash polymerized inorganic gelling material is prepared according to the following steps:
[0037] a. Weigh 55g of red mud and 155g of fly ash, and use the Bayer process to ball mill the red mud to pass through a 70-mesh sieve, mix evenly, and set aside;
[0038] B, take by weighing 45g of low-alkali sodium silicate, according to the ratio of solid-liquid ratio 0.35g:1mL, add tap water and fully stir in low-alkali sodium silicate, be mixed with low-alkali sodium silicate aqueous solution;
[0039] c. Slowly add the low-alkali sodium silicate aqueous solution obtained in step b to the mixed slag in step a, stir while adding, and adjust the consistency by adding a small amount of tap water according to the situation. In this example, the amount of water added is about 31ml to obtain glue condensate material.
[0040] Performance testing of cementitious materials:
[0041] The gelled material was tested for tensile collagen strength, tensile collagen stren...
Embodiment 3
[0044] The red mud-fly ash polymerized inorganic gelling material is prepared according to the following steps:
[0045] a. Weigh 60g of red mud and 160g of fly ash, and use the Bayer method to ball mill the red mud to pass through a 80-mesh sieve, mix evenly, and set aside;
[0046] B, take by weighing 45g of low-alkali sodium silicate, according to the ratio of solid-liquid ratio 0.4g:1mL, add tap water to low-alkali sodium silicate and fully stir, be mixed with low-alkali sodium silicate aqueous solution;
[0047] c. Slowly add the low-alkali sodium silicate aqueous solution obtained in step b to the mixed slag material in step a, stir while adding, and adjust the consistency by adding a small amount of tap water according to the situation. In this example, the amount of water added is about 36ml, and the glue is obtained. condensate material.
[0048] Performance testing of cementitious materials:
[0049] The gelled material was tested for tensile collagen strength, ten...
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