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In recent years, with the rapid development of the construction industry, the demand for sand as concrete aggregate is increasing. Because of the control mining and protection of natural sand, the contradiction between supply and demand of concrete is particularly prominent.  Artificial sand gravel has become a leading product in the sand industry. At present, many mechanism sand production enterprises in our country have insufficient understanding of artificial sand, mostly using water washing technology, but because of the simple equipment, the production is not only low in output, high energy consumption, waste precious mineral and water resources, but also cause new environmental pollution.  In order to further optimize the production process and improve the maximum value of the product, the characteristics of artificial sand and concrete are fully studied and analyzed. The "new dry process sand" technology has been introduced and has been successfully put into production in dozens of domestic sand plants. The product meets the national standards.  Dry process sand technology does not need water resources, and can separate the stone powder from artificial sand, use stone powder to improve the performance of concrete, or supply the industry of asphalt company. The former wastes now become deep processed products and the economic benefits have doubled. A large amount of practice has proved that the "new dry process sand technology" is a mechanism sand production. The production enterprises will play a positive role in guaranteeing the quantity and quality of the sand used in the construction industry, making full use of resources, protecting the environment, and standardizing the construction of sand and stone market.
Brief introduction of process flow:
The dry sand production line consists of the following equipment: hopper, vibrating feeder, belt conveyor, sand making machine, vibrating screen, hoist, high efficiency sand machine, silo, etc. first, the crushed stone tailings are broken and plastic by a uniform feeder to the feeder, all the produced products enter the vibration by belt conveyor. The products and coarse particles are classified in the moving screen. The material under the screen is again classified by the hoist into the high efficiency sand separator. The stone powder is separated from the finished sand and stored separately. The stone powder is stored in the tank and the finished sand is stored in the yard.
Performance characteristics
1, dry sand production line does not need washing, saving resources, and will not cause two pollution.
2. The sand produced by dry sand production line is uniform in size and good in shape. It is suitable for large and medium sized construction projects.
3. The dry sand production line can be processed into finished products without any waste material, which is beneficial to environmental protection.
4, reasonable addition of a certain proportion of stone powder can be equipped with super high grade concrete.
5. Artificial sand production units choose the dry process and equipment and effectively use the stone powder produced by artificial sand to improve the production and reduce the cost and reduce the waste of water resources. It is of great significance for the correct use of artificial sand and the advantages of artificial sand.
6. The new dry sand production line has the advantages of small investment, high output, no waste material and remarkable economic benefits.