Sand-based water permeable brick with high permeable rate
A technology of water permeability and permeable bricks, which is applied in the field of building materials, can solve problems such as insufficient compressive strength and poor water permeability, and achieve the effects of increasing porosity, improving compressive strength, and improving water permeability
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example 1
[0027] Mix cotton fiber and hydrogen peroxide solution with a mass fraction of 20% in a beaker at a mass ratio of 1:15, move the beaker to a magnetic stirrer with a digital display, speed measurement, and constant temperature, at a temperature of 50°C and a speed of 300r / min , stirred at constant temperature for 4 hours, filtered to obtain a filter cake, that is, expanded cotton fibers, mixed expanded cotton fibers and potassium permanganate solution with a mass fraction of 30% in a flask at a mass ratio of 1:12, and moved the flask into a digital display Speed-measuring and constant-temperature magnetic stirrer, at a temperature of 60°C, stir and react at a constant temperature for 2 hours, filter to obtain a filter residue, which is a modified cotton fiber; in parts by weight, take 120 parts of desert sand, 15 parts of allophane Stone, 25 parts of natural zeolite, 15 parts of binding agent, 30 parts of additives, 20 parts of modified cotton fiber, allophane and natural zeolit...
example 2
[0029] In parts by weight, take 120 parts of desert sand, 15 parts of allophane, 25 parts of natural zeolite, 15 parts of binder, 30 parts of additives, 20 parts of cotton fiber, mix allophane and natural zeolite Put it into a grinder, grind, pass through a 80-mesh sieve to get a mixed filler, mix the mixture, desert sand, binder, additives, quartz sand and cotton fiber in the mixer, and add 0.4 times the quality of the desert sand. The rotation speed is 500r / min, stirring and mixing at room temperature for 3 hours to obtain the raw materials, pour the raw materials into the mold, and move the mold into the brick forming machine, tamp and shape at a pressure of 50MPa to obtain the blank, and move the blank into the drying box , at a temperature of 85°C, dry at a constant temperature for 3 hours to obtain a dried billet, soak the dried billet in tetraethyl orthosilicate that is 5 times the weight of the billet, soak for 4 hours, and filter to obtain a soaked billet, soak the soa...
example 3
[0031]Mix cotton fiber and hydrogen peroxide solution with a mass fraction of 20% in a beaker at a mass ratio of 1:15, move the beaker to a magnetic stirrer with a digital display, speed measurement, and constant temperature, at a temperature of 50°C and a speed of 300r / min , stirred at constant temperature for 4 hours, filtered to obtain a filter cake, that is, expanded cotton fibers, mixed expanded cotton fibers and potassium permanganate solution with a mass fraction of 30% in a flask at a mass ratio of 1:12, and moved the flask into a digital display Speed-measuring and constant-temperature magnetic stirrer, at a temperature of 60°C, stir and react at a constant temperature for 2 hours, filter to obtain a filter residue, which is a modified cotton fiber; in parts by weight, take 120 parts of desert sand, 15 parts of allophane Stone, 25 parts of natural zeolite, 15 parts of binding agent, 30 parts of additives, 20 parts of modified cotton fiber, allophane and natural zeolite...
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