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lm@hntdfertilizermachine.com

Whatsapp/Phone

+86 15393708523

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Rotary Drum Dryer 

rotary-drum-dryer

Fertilizer Drying and Cooling Equipment is a specialized machine used in the fertilizer production process to remove moisture from granular or powdered fertilizers and cool them to a desired temperature. It helps enhance the quality, stability, and shelf life of fertilizers by reducing moisture content and preventing caking or degradation.

Working Principle

  1. Loading: The wet materials are fed into the rotary drum dryer through a feed chute or conveyor.
  2. Lifting and showering: The materials are lifted by the flights on the inner surface of the drum and showered through the hot air stream.
  3. Drying: The hot air, generated by a burner or other heat source, passes through the drum and comes into contact with the wet materials. Heat transfer occurs, leading to the evaporation of moisture from the materials.
  4. Moisture removal: The moisture-laden air is drawn out of the drum through an exhaust system, typically using a fan or blower.
  5. Discharge: The dried materials, with reduced moisture content, are discharged from the drum through an outlet.
  6. Heat recovery: In some cases, the hot air may be recirculated back into the drum after being cooled and cleaned, allowing for energy efficiency.

These steps are repeated continuously as the drum rotates, ensuring efficient and consistent drying of the materials.

Structure of Rotary Drum Dryer

  1. Drum: It is a cylindrical vessel made of durable materials such as stainless steel or carbon steel. The drum is horizontally mounted and rotates on its axis.
  2. Feeding System: This system consists of a feed chute or conveyor that delivers wet materials into the drum.
  3. Flights: Inside the drum, there are flights or lifters attached to the inner surface. These flights lift and shower the materials, ensuring proper contact with the hot air for efficient drying.
  4. Burner: A burner or heat source is used to generate hot air that flows into the drum. It can be fueled by natural gas, coal, biomass, or other sources.
  5. Hot Air Distribution System: The hot air is distributed evenly throughout the drum to ensure uniform drying. This may include ducts, baffles, or other mechanisms.
  6. Exhaust System: It consists of an exhaust fan or blower that draws the moisture-laden air out of the drum. The air may pass through filters or cyclones to remove dust or particles.
  7. Discharge System: The dried materials are discharged from the drum through an outlet, which can be equipped with a discharge chute, conveyor, or other means of transport.

Rotary Drum Dryer Diagram

rotary-drum-dryer-diagram

Features

  • High Efficiency
  • Versatility
  • Uniform Drying
  • Customizable Design
  • Energy Efficiency
  • Low Maintenance
  • Environmental Friendliness

Rotary Drum Dryer Working Video

Rotary Drum Dryer Price

The price of a rotary drum dryer can vary depending on various factors such as the capacity, size, and specific requirements of the customer. It is best to contact a reputable manufacturer or supplier to get an accurate and competitive price quote based on your specific needs and specifications.

Rotary Drum Dryer Parameters

ModelPower

 

(kw)

Reducer ModelIntake Temperature

 

(degree)

Installation Angle

 

(degree)

Rotary Speed

 

(r/min)

Output

 

(t/h)

TDLQ-08085.5ZQ250Above 3003-561-2
TDLQ-10107.5ZQ350Above 3003-562-4
TDLQ-12127.5ZQ350Above 3003-563-5
TDLQ-151511ZQ400Above 3003-564-6
TDLQ-161615ZQ400Above 3003-566-8
TDLQ-181822ZQ500Above 3003-55.87-12
TDLQ-202037ZQ500Above 3003-55.58-15
TDLQ-222237ZQ500Above 3003-55.58-16
TDLQ-242445ZQ650Above 3003-55.214-18

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