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Sand Mining Process

Design Of An Annual Production Capacity Of 3 Million Tons Of Granite Sand Mining Process Line

Granite is a kind of hard rock which is more common in production. I believe everyone is familiar with it. This article uses granite as an example to introduce the planning of Sand Mining Process Line with an annual output of 3 million tons. For other hard rock that is difficult to break, such as Basalt, diabase, andesite can also be used for reference.

Mechanical Sand Material

The raw materials suitable for processing the sand include mountain-type raw materials mainly composed of granite and limestone, river-type raw materials mainly composed of cobblestones, and tailings-type raw materials mainly composed of various industrial wastes. In accordance with the principle of comprehensive utilization of resources and local conditions in accordance with local conditions, the sand materials selected in different places are not the same.

In this paper, granite is used as raw material processing mechanism sand. The requirements for selecting mines are shallow coverage of raw material mines, compliance with various physical and chemical indicators, stable quality, large mineral reserves and convenient transportation.

Production Scale

Since the new mine has a construction period of about one year, the general mine will have a small amount of blasting operation in the two years before mining, and the amount of stone that can be mined is limited. Two years later, as the mining operation surface becomes larger, the mining scale will follow. It has become larger, so it is controlled by an annual output of 1 million tons of sand and an annual output of 1 million tons of crushed stone in the 2 years before mining. After 2 years, it is adjusted to an annual output of 2 million tons of sand and an annual output of 1 million tons of crushed stone.

Product Categories

The products are mainly positioned as building stones and building sand.

The specifications of building stones mainly include continuous grading and single grading products of 0 to 5 mm, 5 to 10 mm, 10 to 31.5 mm, and 31.5 to 60 mm.

The specifications of construction sand mainly include Class I and Class II sands of 0 to 4.5 mm.

According to market demand, rough stones with a particle size of less than 800 mm and stone powders with a particle size of less than 0.075 mm can also be provided.

Production Methods

At present, the sand making process is mainly based on two kinds of production methods: dry method and wet method, and there is also a semi-dry process of “first wet and then dry”. Combined with local environmental requirements, this project selects the dry production process.

Environmental Issues

Due to the special requirements of environmental protection for the project, although the dry production method is used to solve the problem of sewage treatment, the dry production is easy to generate dust problems, and solving the dust problem is the key.

The 3 million t Sand Mining Process Line embodies the concept of “reliable, advanced, energy saving and environmental protection”. The process flow of the front and back of the production line is smooth, the layout of the general plan is reasonable, and it has good flexibility. It can separate the crushed stone products of different specifications. It has good control of dust and noise, and hopes to have certain reference value for colleagues and sand making enterprises.

  • Sand Mining Process

Customer's Background :

The customer first met us in the CTT, 2012 and had simple communication with us. After the fair, we warmly invited him come to our Shanghai head office and had deeply communication about the project. Finally we signed the contract by many rounds of talks. Eight months later, the production line start to run and no machine defects showed up during the acceptance tests.

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