Ardealite cement additives
A cement additive and phosphogypsum technology, which is applied in the field of cement production additives and phosphogypsum cement retarders, can solve the problems of affecting cement quality, difficulty in popularization and application, and low strength, so as to make full use of renewable resources, improve economic benefits, Effect of reducing energy and cement costs
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Example Embodiment
[0025] Embodiment one:
[0026] After storing 90Kg of phosphogypsum and 3Kg of lime for 18 hours, it is roasted at 107°C for 20 minutes in a vertical kiln, and then 2Kg of AHR rubber adhesion enhancer is stirred with the roasted material, and then squeezed on the rollers by a screw feeder. Compression molding machinery is continuously processed into products. The shape of the product is: elliptical pellets with a length of 50mm, a width of 40mm, and a thickness of 35mm. 2 O≤3.5%, compressive strength≥10Mpa. The shape and size of the product can be processed according to customer requirements, and can be processed into blocks, granules, spheres, etc.
Example Embodiment
[0027] Embodiment two:
[0028] After storing 92Kg of phosphogypsum and 5Kg of lime for 24 hours, it is roasted at 150°C for 35 minutes in a vertical kiln, and then 4Kg of AHR rubber adhesion enhancer is stirred with the roasted material, and then squeezed on the rollers by a screw feeder. The product is continuously processed on the compression molding machine, and the product shape is: a round pellet with a diameter of 40mm, and the water content is H 2 O ≤ 4%, compressive strength ≥ 10Mpa. The shape and size of the product can be processed according to customer requirements, and can be processed into blocks, granules, ovals, etc.
Example Embodiment
[0029] Embodiment three:
[0030] After storing 95Kg of phosphogypsum and 8Kg of lime for 36 hours, it is roasted at 170°C for 40 minutes in a vertical kiln, and then 5Kg of water-based paint adhesion enhancer is stirred with the roasted material, and then passed through the screw feeder on the counter roll Continuously processed into products on the extrusion molding machine, the product shape is: a round pellet with a diameter of 40mm, and the water content is H 2 O ≤ 4%, compressive strength ≥ 10Mpa. The shape and size of the product can be processed according to customer requirements, and can be processed into blocks, granules, ovals, etc.
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