Granite is a natural ore with hard texture, uniform color and good wear resistance. At the same time, it is also a high-quality building stone. It has a blocky structure, beautiful color and hard texture. It is mostly off-white and light gray. It is widely distributed in nature.Recently, there has been a situation where the long-term mining of granite mines has led to a huge scale of granite slag waste, which has become a hot potato. What should be done with granite slag waste?Is granite available for making machine sand?What kind of sand making machine is good?This article is here to ask you for answers.
Is granite available as mechanism sand?
Mechanized sand is sand processed by mutual configuration of sand-making equipment and other equipment. With the restriction of natural sand mining and the shortage of sand in the sand market, mechanized sand has gradually become the “darling” of various fields such as construction, roads and bridges, which has virtually also led to a new investment boom.
There are many raw materials for mechanism sand. For example, the more common rocks of different hardness such as river pebbles, granite, and bluestone can be used to process and produce mechanism sand. Usually, the treatment method used for granite slag waste is open-air stacking or landfill. Over time, problems arise. Its stacking and landfill take up a lot of land. At the same time, it also causes environmental problems such as dust and rainy season wastewater during transportation and stacking.
Abandon the traditional treatment methods, think about it from a different perspective, and use a sand-making machine to sort and process it. It can be made into mechanical sand, and there are many cases that have proved on the spot that the sand produced is of quite good quality, with uniform particle size and excellent particle shape. It is very in line with the sand/stone standards for construction, and can be widely used in the construction of real estate, water conservancy, and railways. While solving the problem, it also closely follows the national sustainable development policy, which can be said to be the best of both worlds.
What equipment is needed to make machine sand from granite?Only choose the right one, not the expensive one
In sand production, the machine-made sand production line is configured in various ways, and according to different user needs, a more suitable production plan is configured.We also mentioned earlier that granite has a hard texture and good wear resistance, so it is very important to choose the right equipment. The complete production line is composed of feeding, coarse crushing, fine crushing, sand making, screening, sand washing, and conveying. The following will introduce you to the production process of granite sand making and the main sand making equipment.：
- Vibrating feeder: The feeding function effectively controls the speed of granite transportation, and the granite is quantitatively and evenly transported by the vibrating feeder to the jaw crusher for coarse crushing.；
- Jaw crusher: One of the commonly used equipment in the rough crushing stage. It has high processing efficiency, special structure, strong and durable, stable and reliable operation, and its output can reach 1-2200t/h. After the granite is transported to the jaw crusher, the jaw crusher performs rough crushing to break large pieces of granite into small and medium-sized granite stones.；
- Cone crusher: the material is broken by the principle of laminated crushing, which has high crushing efficiency and low wear of wearing parts.After crushing, the finished product is a cube with a high fine-grained content. The granite stones broken by the jaw crusher are sent by the belt conveyor to the cone crusher for medium and fine crushing, and the small stones after fine crushing are fed into the sand-making machine sand.；
- Sand making machine: Optimize the structure of the crushing chamber, which can realize the rapid conversion of the two crushing modes of stone-to-stone and stone-to-iron. The sand particle shape is better, it is round and angular, and the equipment is hydraulically opened. The operation and maintenance are more convenient, and the overall design is more user-friendly. The sand making machine further crushes and forms the broken stones of the crusher into finished machine-made sand, and then the machine-made sand is sieved by a vibrating screen, and those that do not meet the particle size requirements are returned to the sand making machine for sand making, and those that meet the particle size requirements are fed into the sand washing machine for cleaning.；
- Sand washing machine: simple structure, low failure rate, easy maintenance, both cleaning, dehydration and grading functions.The processing capacity is large, the cleanliness is high, the water consumption is low, the power consumption is small, and the loss of fine sand and stone powder is small.The crushed granite mechanism sand is fed into the sand washing machine for the final cleaning process, and the excess stone powder, soil, dust and other impurities on the surface of the mechanism sand are cleaned to obtain clean and high-quality mechanism sand.
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