Sand and gravel processing plant is actually a sand and gravel production line. The sand and gravel production line mainly consists of crusher, sand making machine and some auxiliary equipment, roughly composed of jaw crusher or impact crusher or cone crusher, sand making machine, feeder, conveyor belt, vibrating screen, etc. The specific type of equipment used is decided according to the size of output and the site, etc.

Quartzite is widely used, mainly as acid refractory bricks in the metallurgical industry. Moreover, due to its very stable chemical and physical properties, quartzite meets the standard of construction sand after processing and can be used as natural sand in many industries such as construction, roads, water and electricity.

I. Process flow of quartz stone dry sand production line

Quartz stone is first fed into the jaw crusher for coarse crushing through vibrating feeder, and then into the cone crusher for fine crushing. If you want higher specification products, you need to choose sand making machine, and then ultra-fine crushing. The discharge size can be adjusted according to the production needs to get the required finished product.

Second, the crusher suitable for processing quartz stone

According to the process of quartz stone dry sand production line, the common types of crushers used to crush quartz stone are jaw crusher, cone crusher and impact crusher. Their suitability for quartz stone will be introduced one by one below.

(1) Jaw Crusher

Jaw crusher is mainly used for head crushing and coarse crushing in quartz stone dry sand production line, which can meet the requirements of crushing various materials with particle size not more than 1200 mm, compressive strength not more than 320 MPa, and discharge size between 10-350 mm. jaw crusher has large crushing ratio and strong crushing capacity, V-shaped deep cavity and bending extrusion make the material fully stressed in the crushing cavity, and the product size is uniform.

(2) Cone Crusher

Common medium and fine crushing equipment include cone crusher and impact crusher. Due to the high hardness and strength of quartz stone, its hardness can reach 7 and compressive strength is about 200-300 Mpa. more suitable for cone crusher, made of high wear-resistant material, low failure rate.

(3)Impact Crusher

Impact crusher, also known as impact sand making machine, is mainly used for three-stage sand making, mainly using the working principle of "hitting iron while hitting stone" and "hitting stone". Among them, the new sand making equipment VSI6X sand making machine and VSI sand making machine can combine the two principles, both sand making and molding, greatly improving the quality of the finished product. The shape of the finished particles is cubic, with less flake content, uniform particle size and reasonable grading.

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