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Why we need to dry the sand before use?

Time:2019年05月07日      Hits:

Some customers would ask why we need to dry the sand before use ?

As for different usage of the sand, the needed sand size range is different. For example,  to take construction sand as sample.

According to the different size range, construction sand can be divided into 3 types: Fine Sand: 1.6–2.2mm ; Medium Sand: 2.3–3.0mm ; Coarse Sand: 3.1–3.7 mm ; The loosen bulk density is about 1400–1800 kg/m3.

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Espeically for the river sand, when people dig it out from the river, the sand is wet. But the vibrating screen can not classify the wet sand into different size range efficiently.

Thus we have to use the well designed sand rotary dryer to heat and dry the wet sand in advance, and reduce its moisture content to be about 3% or as need.

The sand drying system mainly includes sand hopper, inlet belt conveyor, burner, hot air furnace, sand rotary dryer, outlet belt conveyor, cyclone separator, draft fan, electric control panel.

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For price and detail of rotary sand drying machine, please do not hesitate to contact Sunco Machinery by:

--- Email: suncomachinery@hotmail.com

--- Tel./WhatsApp: +86-15838214261

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