Zhengzhou Hengxing Heavy Equipment Co., Ltd.

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Rotary Sand Dryer

Rotary Sand Dryer

Production: 0.5-50 t/h

Main motor power: 7.5-160kw

Application: Rotary dryer machine is mainly used in the fields of building materials, mineral processing, metallurgy, chemical industry, etc., it can be used to dry materials with specified moisture.

Processible Materials: limestone, fly ash, coal powder, slag, clay.

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Product Details

Introduction of rotary sand dryer

Rotary dryer machine is divided into many types, for example, limestone dryer, roller dryer, rotary drum dryer and spray dryer.


Rotary drum dryer is strong adaptability to materials and can be used to dry all kinds of materials. This equipment is applied to cement plant for drying limestone, clay, coal powder and mixed materials and also used in metallurgy, mining, electricity, chemical industry and other sectors.


Rotary drum dryer is the most commonly used drying equipment in cement plant. It has many advantages such as sample and reliable operation, excellent dust prevention, good sealing effect and convenient maintenance.

Drum Dryer Working Principle


Features of rotary sand dryer

1. High drying strength, wide applicability, available for many kinds of materials.

2. Short drying time, high processing quantity and high heating efficiency.

3. Simple structure, stable performance, easy to operate and maintain.

4. The rotary dryer can control the temperature of the barrel.

5. Small abrasion wear during movement, long working lifetime.

Industrial Mining Drying Machine


Working principle of sand rotary dryer

Rotary dryer is made up of the cylinder, lifting plate, transmission, supporting devices and others.


The wet materials are transported into the material hopper by the belt conveyor and bucket elevator and get into the feeding terminal through feeding pipe with the aid of feeder of the material hopper. The pitch of the feeding pipe should be higher than material pitch.


Since the dryer is put slantly, along with the revolving of the cylinder, the materials move to the lower terminal due to the gravity. When the wet materials move forward, it receives the heat from the heat carrier directly or indirectly. Heat turns water into steam letting into the air, and aimed dry material is achieved.

Drum Dryer Working Principle

Technical data

Shell diameter
×shell Length 

Inside 
diameter 
of outer shell
(mm)

Inside 
diameter 
of inner shell
(mm)

Shell
 Length
(m)

Shell
 cubage
(m³)

Shell 
obliquity

Lifting 
blade
 form

Highest 
inlet air
 temperature
(
)

Dimensions
(m)

Φ1.5×15m

1500

500

15

20.27

3-5%

Lifting 

form

850

16.2×2.7×2.7

Φ1.5×17m

17

22.97

18.2×2.7×2.7

Φ1.5×19m

19

25.68

20.0×2.9×2.9

Φ1.8×21m

1800

650

21

35.91

3-5%

Lifting 

form

850

22.5×2.7×2.7

Φ1.8×23m

23

39.33

24.5×2.9×2.9

Φ1.8×25m

25

42.75

26.5×2.9×2.9

Φ2.2×21m

2200

800

21

58.10

3-5%

Lifting form

850

----

Φ2.2×23m

23

63.61

Φ2.2×25m




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