玻璃硅质原料是指可作玻璃原料的硅质岩(砂)。生产玻璃是以硅质岩(砂)为主要原料,一般玻璃硅质原料占原料组成的70%左右,加入白云岩、石灰岩、长石、纯碱、芒硝、炭粉等配料,通过熔化、成型、退火、切割等工艺而成各种玻璃制品。玻璃硅质原料矿,系指在《中华人民共和国矿产资源法实施细则》矿产资源分类细目(1994)中,单列矿种的玻璃用石英砂岩、石英岩、脉石英及石英砂4种。此外,伟晶岩、细晶岩、霞石正长岩及粉石英等SiO2含量高的岩石,也可用作玻璃硅质原料。但目前在中国玻璃工业生产中应用尚少。
采用磁选分离法+稀酸浸泡法联合处理后,使该地石英砂的化学成分达到了优质的生产平板玻璃用硅质原料的国家标准。
The chemical contents in the sand quartz has reached national standards of silicon raw material for plate glass production after combined treating by magnetic separation plus diluted acid dipping.
以高纯熔融石英为主要原料研制了一种高纯硅质玻璃窑用热补料。
A high purity silica mending material with pure fused quartz as material for glass kiln has been developed.
通过在浮法玻璃配合料中加入特殊黏结剂取代传统的配合料加水,可以将配合料中重碱换成轻碱,并可利用10%的硅质超细粉原料。
This article mainly reasearched that light alkali substituting heavy alkali and 10% silica sand ultra-fine dust were used in the float glass batch by the method of adding special cementing agent.
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