What is the sand output rate of granite sand making

Granite is a kind of hard igneous rock, mainly composed of quartz, feldspar and mica and other minerals, its Mohs hardness is 5-7, with high strength, corrosion resistance, wear resistance and other characteristics. After the sand making process, granite can be made into sand with excellent grain shape and even grain size. This kind of sand is an important building material, which can meet the demand for high-quality aggregates for engineering construction, and also provides a reliable material base for various engineering projects. In this article, we will discuss the sand yield, influencing factors and typical production line configuration of granite sand making. 

The sand production rate of granite sand is mainly affected by the nature of rock, rock size, crushing method, sand making equipment and other factors. According to relevant literature, the sand yield rate of granite sand is generally between 30% and 50%, i.e. each ton of granite can produce 0.3-0.5 ton of sand. However, the actual sand output rate may vary due to various factors.

Among them, the nature of the rock such as hardness and toughness has a great influence on the sand output rate, while the crushing method and sand making equipment can be used to improve the sand output rate by choosing the right model and parameters.

1. Hardness and toughness

Generally speaking, the higher the hardness of granite, the greater the difficulty of crushing, the sand rate is relatively low, the harder and less tough granite is easier to crush, the sand rate is relatively high.

2.Rock size

Rock size is an important factor affecting the sand rate, usually the larger the granite particle size, the more difficult to break, need more crushing force and grinding force to break it into sand, the sand rate is relatively low. If the granite particle size is too large, it will also increase the wear and tear and energy consumption of the equipment and reduce the production efficiency. Therefore, in the process of granite sand making, we need to choose the right size of granite as raw material according to the actual situation.

3. Other mineral content

The content of other minerals in granite will also affect the sand making effect, such as containing high amounts of mica, feldspar, quartz and other minerals, may reduce the sand rate.

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