Method for producing low-iron high-pervious self-cleaning ultra-white rolling glass
A production method and self-cleaning technology are applied in the field of producing low-iron and high-transmittance self-cleaning ultra-white rolled glass to achieve the effects of protecting the environment, improving melting quality and improving photoelectric conversion efficiency.
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[0014] 1. Using natural gas full oxygen combustion technology, by adjusting the composition and content of raw materials and auxiliary materials, adding 10-50wt% sodium pyroantimonate, 15-50wt% antimony oxide and 10-40wt% cerium oxide mixed to form a composite strong oxidant, After mixing-melting-calendering-annealing-cutting-coating-tempering-coating curing, low-iron and high-transmittance self-cleaning ultra-white rolled glass is obtained. In the examples, the composition of the ultra-white rolled glass and the direct sunlight projection ratio are shown in the following table.
[0015] Ingredients (wt) Example 1 Example 2 Example 3 Example 4 Example 5 SiO 2 71.8% 71.6% 71.9% 68.7% 74.3% Na 2 o 13.6% 13.8% 14.0% 14.1% 9.5% CaO 9.2% 8.9% 9.0% 10.2% 11.7% MgO 3.3% 3.5% 3.2% 4.3% 2.4% al 2 o 3 1.1% 1.3% 1.0% 2.6 1.5 K 2 o 0.02% 0.02% 0.021% 0.032 0.025 Fe 72ppm 68.5ppm 70.9ppm 66.8pp...
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