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首页> 外文期刊>Bulletin of materials science >Evaluation of borax solid wastes in production of frits suitable for fast single-fired wall tile opaque glassa€“ceramic glazes
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Evaluation of borax solid wastes in production of frits suitable for fast single-fired wall tile opaque glassa€“ceramic glazes

机译:适于快速单烧墙砖不透明玻璃和陶瓷釉料的熔块生产中硼砂固体废物的评估

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摘要

Zircon (zirconium silicate, ZrSiO4) is the main opacifier of glossy, opaque, white-coloured, fritbased wall tile glazes. However, zirconia containing frits employed in the preparation of these glazes raise the production cost limiting zircon usage as a raw material at an industrial scale. Therefore, there have been several searches on seeking for alternative frit compositions with lower or without zirconia content. Consequently, positive outcomes were recently reported. With the present study, 1.5a€“5% of borax concentrator waste replaced certain level of acid boric for B2O3 content in a low zircon containing frit recipe. It is confirmed that waste contribution did not distort the surface properties of the fast single-fired wall tile opaque glazes. Zircon was found to be the main crystal phase of the glazes in laboratory trials. Industrial applications revealed that shorter firing cycles lead to zircon and petedunnite (CaZnSi2O6) formation in the CW-4 glaze.
机译:锆石(硅酸锆,ZrSiO 4 )是光泽,不透明,白色,玻璃料基墙砖釉料的主要遮光剂。然而,用于制备这些釉料的含氧化锆的玻璃料提高了生产成本,限制了锆石在工业规模上作为原材料的使用。因此,在寻找具有较低或不含氧化锆含量的替代玻璃料组合物中进行了数种搜索。因此,最近报道了积极的结果。根据本研究,在低锆石熔块配方中,1.5%“ 5%的硼砂选矿厂废料替代了一定水平的酸性硼,用于B 2 O 3 含量。可以肯定的是,废物的贡献并没有扭曲快速单烧墙砖不透明釉料的表面性能。在实验室试验中发现锆石是釉料的主要结晶相。工业应用表明,较短的焙烧周期会导致CW-4釉料中形成锆石和坡铁矿(CaZnSi 2 O 6 )。

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