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Rotary dryers

Bentonite Dryer

【Application】:  beneficiation, building materials, metallury and chemical industry;
【Raw materials】:  betonite, various ores and other materials;
【Specifications】:  Φ1.2×8.0m-Φ3.6×28m
【Capacity】:  1.9-76.0t/h


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  • Good abrasive resistance and long service span

    When the temperature is too high, there will no oxide skin. This machine is characterized by good abrasive resistance. Therefore, it has a long service span.

  • Flexible temperature and discharged particle size

    There are various inlet temperatures. This machine can make the materials at outlet presented as small particles or powder which provides convenience for next process.

  • Upgraded structure

    After upgrading of lifting plate and structures, it is not easy to break lifting plate during normal running process.This machine adopts famous reducer which can be easily purchased.

  • Special lubrication form

    It adopts special lubrication form which guarantees good lubrication effect. Discharging cover is provided, which can preventing the falling of lifting plate and normal running of belt.

  • Reasonble design

    Reasonable design can avoid the leakage of materials.It adopts special seal structure made from tin steel piece between cover body and machine, which prevents leakage under micro negative pressure.

  • Special gear connection mechanism

    It adopts elastic connection between big gear ring and rotary drum in order to reduce damage to gears. Riding and catch wheels adopts rolling bearing which all are made from international products.

bentonite rotary drum dryer


      Bentonite is mainly used for destaining petroleum catalysis and mineral oil, vegetable oil etc, whose moisture content is in 30 ~ 45%. When put into the bentonite dryer, bentonite with strong viscosity will be difficult to be dry and easy to produce about 100 mm mass of materials if it doesn’t adopt to the dryer structure. If the temperature in the bentonite dryer is too high, it will cause the montmorillonite in the production lose too much crystal water, which will severely decrease the activity degree. And if the temperature is too low, the free water is difficult to be dried, and the production will not be easy to save, which will also decrease the activity degree. Generally speaking, the moisture content in the dried bentonite is under 10%. The new energy-saving bentonite drying equipment produced by Henan Fote Heavy Machinery Co., Ltd. is a dryer machine with large quantity.

bentonite dryer

      According to the special characteristic of bentonite and analyzing the effect of dryer structure to the productivity and quality of bentonite, our company designs the dryer with comprehensive technical transformation, which improves the material fill rates and prolong the time of material leaving in the cylinder. This dryer machine is designed with combined feed devices to extend the area of bentonite particles contacting with hot-blast air, which makes the bentonite get sufficient heat exchange and improves the heat utilization efficiency and then increases the productivity.

Technical Parameters:
Drum volume
 Inlet temperature
Φ1.2×8.0 9.0 1.9-2.4 3-5 700-800 7.5 9
Φ1.2×10 11.3 2.4-3.0 3-5 700-800 7.5 11
Φ1.5×12 21.2 4.5-5.7 3-5 700-800 15 18.5
Φ1.5×14 24.7 5.3-6.6 3-5 700-800 15 19.7
Φ1.5×15 26.5 5.7-7.1 3-5 700-800 15 20.5
Φ1.8×12 30.5 6.5-8.1 3-5 700-800 18.5 21.5
Φ1.8×14 35.6 7.6-9.5 3-5 700-800 18.5 23
Φ2.2×12 45.6 9.7-12.2 3-5 700-800 22 33.5
Φ2.2×14 53.2 11.4-14.2 3-5 700-800 22 36
Φ2.2×16 60.8 13.0-16.2 3-5 700-800 22 38
Φ2.4×14 63.3 13.5-16.9 3-5 700-800 37 45
Φ2.4×18 81.4 17.4-21.7 3-5 700-800 37 49
Φ2.4×20 90.4 19.3-24.1 3-5 700-800 45 54
Φ2.4×22 99.5 21.2-26.5 3-5 700-800 45 58
Φ2.6×24 127.4 27.2-34.0 3-5 700-800 55 73
Φ3.0×20 141.3 30.1-37.7 3-5 700-800 75 85
Φ3.0×25 176.6 37.7-47.1 3-5 700-800 75 95
Φ3.2×25 201 42.9-53.6 3-5 700-800 90 110
Φ3.6×28 285 60.8-76.0 3-5 700-800 160 135

Note: No further notice if the technical parameters change.

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