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Ways to Widen Heat-transfer Area of Sand Dryer

Bookmark and Share      Date: 01-03-2016     From: Fote Machinery     Author: Fote Machinery

As its name implies, sand dryer is a machine used to dry all kinds of sand like river sand and yellow sand, etc. For sand materials in rotary drum, they are gradually dried under the lifting work of screw blades and lifting boards. By virtue of the sleeve column structure, length of quartz sand drying machine can be shortened for times.

sand rotary dryer

In general, smaller the area for heat radiation, lower the heat energy for consumption. While, the multiplying area for heat transfer can greatly improve the thermal efficiency of river sand dryer. For raw materials without the ability to contact smoke, river sand dryer is respectively equipped with the internal flue and annular flue gas pipe in inner and outer cylinders.

Since all flues are linked up by the radial flues, river sand dryer will be more and more high-efficient and energy-conserving. For the drying work of rotary sand dryer, it has two kinds named direct dying and indirect drying. Either for direct drying or for indirect drying, their final aim is to dry raw materials and make users satisfied.

For sand dryer in the way of direct drying, water evaporation and heat transfer are carried through at the same time. With flowing hot air as the heat-carrying agent, it directly contacts with wet materials and brings away the vaporized water in raw materials. While, for the way of indirect drying, it works by using hot air to heat the container filled with raw materials. 

Interested in the price of sand dryer? Fote Machinery can offer you greater discounts within three days.

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