The water content of the sand that output from dewatering screen?

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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.

Mechanical dehydration controls the water content of artificial sand:

At present, the methods and processes used in domestic hydropower projects for artificial sand dehydration mainly include screening dehydration, vacuum dehydration, centrifugal dehydration, etc. Among them, vacuum dehydration and centrifugal dehydration have good dehydration effects, but the processing capacity is low and the investment is high; Vibrating sieve is used for dehydration, which has high dehydration processing capacity, but the dehydration effect is poor. Due to the high production capacity of artificial sand, and the installation of the dewatering screen was added after the production and processing system has been put into operation, due to the site layout and other reasons, finally, the linear vibrating screen was selected for dehydration, and the linear vibrating screen was installed. After testing, the water content of the sand can be reduced. From about 25% in the initial period to about 15%.

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