A method for preparing recycled cement-based permeable pavement bricks from organic artificial stone processing waste and waste rubber and plastic powder
A technology of permeable pavement bricks and recycled cement, which is applied in the field of high-value utilization of building materials and waste recycling. It can solve the problems that the strength, wear resistance and weather resistance of permeable pavement bricks cannot meet the requirements, and achieve excellent frost resistance. Production cost, the effect of reducing environmental pollution
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Embodiment 1
[0019] The preparation process is as follows:
[0020] The organic artificial stone processing waste is physically pulverized and passed through a 270-mesh sieve. The water content of the organic artificial stone processing waste is 10wt%; the blended fiber solid waste contains 25wt% polyester fiber, 40wt% nylon fiber, and 35wt% polypropylene fiber; waste rubber and plastic powder particles The average particle size is 30 meshes.
[0021] (1) Mix 25 parts of organic artificial stone processing waste with 3.2 parts of water reducing agent, add 1 part of water and stir evenly, stirring time is 30min, add 1.2 parts of blended fiber and continue to stir, and add 1 part of water while stirring, to Ensure that the blended fibers are wetted and evenly dispersed, and the premix is obtained after stirring evenly;
[0022] (2) immerse 3 parts of waste rubber and plastic powder in 0.45 part of silicone-acrylic emulsion (silicon-acrylic emulsion with brand name 8901 provided by Goodao ...
Embodiment 2
[0027] The preparation process is as follows:
[0028] The organic artificial stone processing waste is physically crushed and passed through a 270-mesh sieve. The moisture content of the organic artificial stone processing waste is 20%; the content of the blended fiber solid waste polyester fiber is 15%, the nylon fiber is 50%, and the polypropylene fiber is 35%; the average waste rubber and plastic powder particles The particle size is 55 mesh.
[0029] (1) Mix 40 parts of organic artificial stone processing waste with 5 parts of water reducing agent, add 1.3 parts of water and stir evenly, stir for 40 minutes, add 1.5 parts of blended fibers and continue to stir, and add 1.3 parts of water while stirring, to Ensure that the blended fibers are wetted and evenly dispersed, and the premix is obtained after stirring evenly;
[0030] (2) soak 7 parts of waste rubber and plastic powder in 1.05 parts of silicone-acrylic emulsion (brand SW-02 silicone-acrylic emulsion provided b...
Embodiment 3
[0035] The preparation process is as follows:
[0036] The organic artificial stone processing waste is physically crushed and passed through a 270-mesh sieve. The moisture content of the organic artificial stone processing waste is 12%; the content of the blended fiber solid waste polyester fiber is 20%, the nylon fiber is 39%, and the polypropylene fiber is 41%; the average waste rubber and plastic powder particles The particle size is 60 mesh.
[0037] (1) Mix 30 parts of organic artificial stone processing waste with 5.5 parts of water reducing agent, add 1.2 parts of water and stir evenly for 60 minutes, add 1.5 parts of blended fibers and continue stirring, and add 1.2 parts of water while stirring, to Ensure that the blended fibers are wetted and evenly dispersed, and the premix is obtained after stirring evenly;
[0038] (2) soak 6 parts of waste rubber and plastic powder in 1.2 parts of silicone-acrylic emulsion (the silicone-acrylic emulsion with the grade of SC-6...
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