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在工业上用加入能烧掉的加入物的方法制造轻质矽砖时,用奥夫罗乞产地的细粉碎的矽石作为主要的配料成分,在主要泥料中的矽石粒不超过0.5公厘。由于泥料中的矽石成分具有这样的粒度,因此就有可能来利用细颗粒的石英砂,这是一种天然的细分散的含二氧化矽的原料。石英砂和矽石比较,它的优点是:在使用时不须预先加以粉碎。为制造轻质矽砖,我们采用了哈尔科夫省伏道拉克产地的石英砂。这种砂子的状态是由无色透明而多角的或具有锐角的矽石颗粒组成的疏松矿岩;有时矿岩内含有圆的矽石颗粒,大颗粒矽石的外形是比较圆的,而小的则是锐角状的。砂子中有着少最的长石(而它经常是风化了的)以及付生的矿物(如白云母,钛铁矿和褐铁矿等)。伏道拉克产地砂子的矿物组成大致如下:石英96%,长石2%,重矿物1%和其它1%。砂子的特
In the industrial production of light silica fume by addition of incinerable adulteration, the finely divided silica of Aufgrad is used as the main ingredient, and the proportion of the silica in the main muck does not exceed 0.5 Mm. Because of the particle size of the silica in the sludges, it is possible to utilize fine-grained quartz sand, a natural, finely divided, silica-containing feedstock. Quartz sand and silica, its advantages are: do not have to be used in advance to be crushed. For the manufacture of lightweight silica bricks, we use quartz sand from the Vodac region of Kharkov province. The state of the sand is loose ore formed of colorless, transparent, polygonal, or acute-angled silica particles; sometimes, the ores contain rounded silica particles which are relatively round in shape and small It is acute-angled. The sand contains the least feldspar (and it is often weathered), and the living minerals (such as muscovite, ilmenite and limonite, etc.). The mineral composition of the Fullacock origin sand is roughly as follows: quartz 96%, feldspar 2%, heavy minerals 1% and other 1%. Special of the sand