The main chemical composition of quartzite is quartz-SiO2, which is a metamorphic rock mainly composed of quartz (quartz content is more than 85%), which is formed by the metamorphism of quartz sandstone and siliceous rock. It is generally formed by recrystallization of quartz sandstone or other siliceous rocks through regional metamorphism.
As a natural stone, quartz stone is widely found in nature because of its relatively high hardness (the Mohs hardness can reach more than seven) and its good corrosion resistance. It is not only often used in decoration and decoration, but also the main raw material of machine-made sand.
What kind of crushing equipment is needed to make sand from quartzite? Taking into account its high hardness characteristics, according to the current production status of the market, the following crushers are now recommended:
- Jaw crusher is recommended for the first crushing equipment
The jaw crusher has a large feeding port, which can meet the crushing work of hard, medium-hard and soft ores and various materials such as large river pebbles, marble, calcite, limestone, basalt, and quartz. Quartz stone is a hard material and requires relatively high equipment. Dahua Heavy Industry requires high quality when selecting raw materials, which is sufficient to meet the needs of customers.
- Use cone crusher for secondary crushing
During the working process of the cone crusher, the motor drives the eccentric sleeve to rotate through the transmission device, and the moving cone rotates and swings under the force of the eccentric sleeve. The static cone is broken by multiple squeezing and impact.
The cone crusher is especially suitable for the crushing and processing of stones with high hardness, so it is more suitable as the secondary fine crushing equipment of the quartz stone sand production line.
- Sand making machine is recommended for fine crushing and shaping
Sand making machine, also called vertical shaft impact crusher, is suitable for the crushing of soft or medium hard and extremely hard ore materials with hardness not higher than 320Pa.
VSI6S vertical impact sand making machine is an advanced high-performance sand making equipment independently developed by our company. Its performance plays an irreplaceable role in various ore fine crushing equipment. The vertical impact crusher (sand making machine) has two modes: “stone-on-stone” and “stone-on-iron”. The “stone-on-stone” type is used for processing materials with strong abrasiveness; In material processing, the “stone-on-iron” type has a 10-20% higher sand formation rate than the “stone-on-stone” type.
When choosing equipment, we should choose suitable crushing equipment according to our actual business needs and site conditions. C&M Mining Machinery integrates crushing and grinding equipment of various brands and specifications, as well as crusher manufacturers from all over the world. Welcome to consult!
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