Waste rubber particles for asphalt and preparation method thereof
A waste rubber and particle technology, applied in building components, building insulation materials, construction and other directions, can solve the problems of asphalt mixture failure and stoppage, unusable modified asphalt, and cannot be fundamentally solved, etc., to reduce the cost of pavement construction, The effect of high temperature storage stability and long storage period
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example 1
[0024] Example 1, mixing 93Kg of scrap automobile tire particles with a particle diameter of 30 mesh, 5 Kg of polypropylene and 2 Kg of diatomite with a particle diameter of 50 mesh; After extrusion, it is cooled and pelletized to obtain waste rubber granules for finished asphalt with a particle size of 3-5mm; the heating temperature of the screw extruder is 260°C, and the screw speed is 350 rpm.
example 2
[0025] Example 2. Stir and mix 95Kg of waste automobile tire particles with a particle size of 60 mesh, 3 Kg of polyethylene and 2 Kg of clay with a particle size of 60 mesh; send the mixed material into the screw machine from the feeder, and extrude through the screw machine After cooling and pelletizing, waste rubber particles for finished asphalt with a particle size of 3-5mm are obtained; the heating temperature of the screw extruder is 260°C, and the screw speed is 350 rpm.
example 3
[0026] Example 3, mixing 93Kg of scrap automobile tire particles with a particle diameter of 90 mesh, 4 Kg of polystyrene and 3 Kg of attapulgite with a particle diameter of 60 mesh; After extrusion, it is cooled and pelletized to obtain waste rubber granules for finished asphalt with a particle size of 3-5mm; the heating temperature of the screw extruder is 260°C, and the screw speed is 350 rpm.
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