A manufacturing method and mold for a foamed cement sandwich-pressed color steel plate mixed with tailings

Abstract

The invention discloses a manufacturing method for a tailings-doped foamed cement sandwich profiled color steel plate. The manufacturing method comprises the following steps of: fixing two color steel plates onto a clamp to form a mould; uniformly mixing 30-35% of cement, 30-35% of copper tailings (grinded to 200 meshes), 0.35% of calcium stearate, 0.03% of polypropylene fibers and 30% of water (35-38 DEG C), then, adding 4.60-4.65% of hydrogen peroxide (concentration being 30) to stir for 10-15 seconds, thereby preparing foamed cement slurry; casting the foamed cement slurry into a position between the two color steel plates; covering the cast foamed cement with a plastic film to moisturize, dismounting the clamp and the color steel plates at the two sides after 48 hours, and continuously curing a foamed cement core material for 14 days under conditions of a temperature of 20 DEG and humidity of 90%; uniformly coating a bonding agent to the two sides of the core material, taking and pasting the two color steel plates to the surface of the core material, and enabling a bump part of the core material to fit to the profiled color steel plate, thereby ensuring tight bonding.

Description

technical field [0001] The invention relates to the technical field of profiled color steel plates, in particular to a manufacturing method and a mold for producing foamed cement sandwich pressure profiled color steel plates mixed with tailings. Background technique [0002] At present, color steel plates mostly use glass wool and rock wool as core materials, which have certain functions of fire prevention and heat preservation. But this kind of color steel plate still has some shortcomings: the sound insulation effect of rock wool and glass wool is poor, the internal strength is low, the core material and color steel plate, especially the pressed color steel plate are not tightly combined, and the material is irritating to human skin, which is harmful to workers. The construction caused great inconvenience. Chinese patent CN203769182 "Composite foam cement sandwich color steel plate" discloses a composite foam cement sandwich color steel plate, including a body, the body i...

AI Technical Summary

Problems solved by technology

But this kind of color steel plate still has some shortcomings: the sound insulation effect of rock wool and glass wool is poor, the internal strength is low, the core material and color steel plate, especially the pressed color steel plate are not tightly combined, and the material is irritating to human skin, which is harmful to workers. Great inconvenience caused by construction

The production of foamed cement core materials by the cast-in-place method has problems such as difficult control of curing conditions, untestable foaming quality, and inflexible construction schedules.

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