Sand dryer is also known as the three layers of drum dryer, three return cylinder dryer, on the basis of the single cylinder dryer, developed and manfactured,which is an industrial dryer on non-viscous, liquid material .At present three-cylinder dryer made by Dingli company,with mature technology, throughthe drying of the sand, fly ash, coal, mineral materials, slag and other material , the effect is very good.

The first step in the processing of sand, gravel, and aggregates after mining is a washing and classification process. The material may be screened and stored but at some point moisture content needs to be reduced to meet a specification required for the sale or further processing. Large-scale sand drum dryers can be used for the dehydration drying and upgrading equipment of high-humidity wastes such as quartz sand, slag, bentonite, kaolin, etc. Low drying cost, mature technology, large reserves, simple operation, low manpower requirements.


1. The sand dryer is made of alloy steel plate manufacturing,the wear-resisting 3-4 times of ordinary steel , the service life of the equipment is more than 10 years.
2. Material initial moisture content 15%, final moisture to ensure below 0.5-1%,which is the preferred products of the cement plant, GGBS and dry mortar production line.
3. The sand dryer thermal efficiency is as high as 80%, at the same time, the total power is low, 40% energy saving.
4. The fuel can be adapted to the coal, oil, gas,it can be dried under 20-40mm particles material, aggregate, powder material.
5. The sand dryer covers an area of about 40% lower than single drum dryer and civil investment reduced by about 50%.
6. No air leakage phenomenon, solved the sealing difficulties, modular units, installation is convenient. 7. The discharge temperature is < 50 ,which can be directly feed libraries, without cooling.

Model (m) | Capacity (T/H) | Coal consumption kg/t | Total power | ||
---|---|---|---|---|---|
Φ2.0×5 | 12-15 | 10-12 | 4kw×2 | ||
Φ2.2×5 | 14-18 | 10-12 | 5.5kw×2 | ||
Φ2.5×5 | 23-28 | 10-12 | 5.5kw×4 | ||
Φ2.8×6 | 30-35 | 10-12 | 5.5kw×4 | ||
Φ3.0×6 | 35-40 | 8-10 | 7.5kw×4 | ||
Φ3.0×7 | 40-45 | 8-10 | 7.5kw×4 | ||
Φ3.2×7 | 45-50 | 8-10 | 11kw×4 | ||
Φ3.2×8 | 50-55 | 8-10 | 11kw×4 | ||
Φ3.6×8 | 60-70 | 6-8 | 15kw×4 | ||
Φ3.8×9 | 70-80 | 6-8 | 15kw×4 | ||
Φ4.0×10 | 90-100 | 6-8 | 18.5kw×4 | ||
Φ4.2×8.5 | 80-100 | 6-8 | 18.5kw×4 | ||
(The output is set according to moisture : dry from 15% to 1-3%) |

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Dingli Dryer Production Line has exported to over 80 countries with 300 foreign partners, such as Germany, Britain, United States, Italy, Israel, Chile, Thailand, Russia, Vietnam, India, Cambodia, Indonesia, Malaysia, Thailand etc.
