Oxid křemičitý není přírodní látka a je jednou z nejdůležitějších sloučenin křemíku. It exists in nature in crystalline forms (such as quartz, cristobalite, chalcedony, agate, opal, a tak dále) and non-crystalline particle, irregular or lumpy types. Silica is insoluble in water and does not react with water, however it can react with alkali to create silicate and water. On top of that, silica likewise has a high melting point, pevnost, a chemické zabezpečení, that makes it extensively utilized in several fields.
In commercial production, silica is mainly made use of to make glass, water glass, keramický, enamel, refractory materials, airgel really felt, ferrosilicon molding sand, essential silicon, cement, a tak dále. On top of that, people additionally make use of silica to make the shaft surface and carcass of porcelain.
(Fused Silica Powder Fused Quartz Powder Fused SiO2 Powder)
Ultrafine grinding of silica can be achieved in a range of means, including dry sphere milling using a worldly sphere mill or wet vertical milling. Global round mills can be equipped with agate sphere mills and grinding spheres. The dry ball mill can grind the typical fragment dimension D50 of silica material to 3.786. Dále, wet vertical grinding is among one of the most effective grinding approaches. Because silica does not react with water, damp grinding can be done by including ultrapure water. The damp upright mill devices “Cell Mill” is a brand-new sort of grinder that integrates gravity and fluidization technology. The ultra-fine grinding modern technology composed of gravity and fluidization fully mixes the products via the rotation of the stirring shaft. It collides and contacts with the tool, leading to shearing and extrusion so that the product can be properly ground. The average fragment dimension D50 of the ground silica product can get to 1.422 um, and some bits can reach the micro-nano level.
Distributor of silicon monoxide and silicon sulphide
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