Microcrystalline water permeable brick and preparation method thereof
A technology of permeable bricks and microcrystals, which is applied in glass manufacturing equipment, manufacturing tools, pavements paved with prefabricated blocks, etc., can solve problems such as easy clogging, permeable bricks do not have water repellency, and poor water permeability, so as not to be clogged , Conducive to industrial production and use, excellent compressive strength
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[0041] A preparation method of the microcrystalline permeable brick, the specific steps are as follows:
[0042] 1) Basic glass preparation: 58-68% of bluestone powder, 8-14% of silicon source modifier, 10-16% of dolomite, 7-12% of albite feldspar, and 1-3% of boric acid are mixed according to mass percentage Evenly, coarsely grind to 12-80 mesh, put into the melting furnace for 2 hours at 1570°C, and then perform water quenching treatment to obtain basic glass particles;
[0043] 2) Preparation of raw materials for the water-permeable layer: Grinding and screening the basic glass particles obtained in step 1) to obtain a powder with a particle size of more than 200 mesh, and mixing 100% of the basic glass powder, 0.1-3% of the foaming agent, and tension 0.1-1.5% modifier, 0.05-1% strength modifier, 1.2% water reducer, 1.7% methyl cellulose, 0.9% body enhancer, 1.5% ammonium chloride, then add water and mix to get a specific gravity of 1.63 The slurry of -1.68 is the raw mate...
Embodiment 1
[0069] A preparation method of the microcrystalline permeable brick, the specific steps are as follows:
[0070] 1) Basic glass preparation: mix the raw materials as shown in Table 1 and mix them evenly, coarsely grind them to 12 mesh, put them into a melting furnace for melting at 1570°C for 2 hours, and then perform water quenching to obtain basic glass particles;
[0071] 2) Preparation of raw materials for the water-permeable layer: Grind and screen the basic glass particles obtained in step 1) to obtain a powder with a particle size of 200 mesh or more. The core raw materials for the water-permeable layer are formulated as shown in Table 2, and then add the basic glass powder 1.2% water-reducing agent, 1.7% methylcellulose, 0.9% body enhancer, 1.5% ammonium chloride ingredients by mass ratio, then add water and mix to obtain a slurry with a specific gravity of 1.63, spray dry and stale for 24 hours The mass percentage that obtains moisture is the raw material of 4% water-...
Embodiment 2
[0085] A preparation method of the microcrystalline permeable brick, the specific steps are as follows:
[0086] 1) Basic glass preparation: mix the raw materials as shown in Table 1 and mix them evenly, coarsely grind them to 12 mesh, put them into a melting furnace for melting at 1570°C for 2 hours, and then perform water quenching to obtain basic glass particles;
[0087] 2) Preparation of raw materials for the water-permeable layer: Grind and screen the basic glass particles obtained in step 1) to obtain a powder with a particle size of 200 mesh or more. The core raw materials for the water-permeable layer are formulated as shown in Table 2, and then add the basic glass powder 1.2% water-reducing agent, 1.7% methylcellulose, 0.9% body enhancer, 1.5% ammonium chloride ingredients by mass ratio, then add water and mix to obtain a slurry with a specific gravity of 1.68, spray dry and stale for 24 hours The mass percentage that obtains moisture is the raw material of 4% water-...
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