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The asphalt stone production line  has a designed stone production scale of 3.3 million tons per year. The complete production line processing equipment includes 2 rod feeders, 2 jaw crushers, 4 cone crushers, 3 vertical shaft crushers, vibration 10 screens and 56 vibrating feeders. Through the controllable and adjustable screening design, the output of materials of each particle size can be adjusted and the particle gradation of the finished stone and the fineness modulus of the finished sand can be controlled. Among them, working condition 1 can produce a total of 6 types of aggregates required for asphalt aggregates: 0-3mm, 3-5mm, 5-10mm, 10-16mm, 16-26.5mm, and 26.5-31.5mm. Working condition 2 can produce It is suitable for 0-5mm, 5-16mm and 16-31.5mm aggregates of general commercial concrete. In addition, for aggregates of 5-31.5mm, you can choose to have plastic surgery or not to produce ordinary aggregates or high-quality aggregates.

Natural dehydration of artificial sand. At present, the method and process adopted in natural dehydration of domestic hydropower projects is artificial sand cutting, storage dehydration and artificial sand retrieving separately. Generally, after 3-5 days of storage dehydration, the water content can be reduced to less than 6%. And stable. The content of artificial sandstone powder and the initial water content vary. Generally, the content of stone powder is in the range of 10% to 17%. The water content is reduced to 8% to 10%. When the moisture content is reduced to 8% to 10%, the dehydration speed is obviously slowed down when it is reduced to about 6%. Generally, it takes 3 to 5 days. According to the daily production of 15,000 tons of finished sand and the amount of 1-15,000 tons of sand used per day, the finished sand warehouse has a stockpile of 50,000 m, and the natural dehydration time is about 5 days.