Email:info@ballmillxg.com

Tel: 0086-371-64158222

 Contacts: Damon

 Tel: 0086-371-64158222

  E-mail: info@ballmillxg.com

  Address: Economic and Ecological Park of zhengzhou, gongyi city, henan province, China.

  • Rotary Dryer
  • Rotary Dryer
  • Rotary Dryer
  • Rotary Dryer
  • Rotary Dryer

Rotary Dryer

  • Capacity: 2-80t/h
  • Power: 3-90kw
  • Fuel: Coal, oil, natural gas, timber.
  • Application: Drying the concentrate by metallic and non-metallic magnetic separation, flotation, gravity concentration, cement clay, coal slime, ore, steel slag, quartz sand, kaolin, etc.

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Principle
The sleeve column structure of the rotary drying machine or rotary dryer shortens the dryer length in multiple times. As the heat delivery area is greatly reduced, so is the heat consumption. However, the multiplication heat exchange area increases the heat performance. For those untouchable materials, the multi-drum rotary dryer provides inner smoke tube and annular smoke tube relevantly in the inner drum and external drum. These smoke tubes connect each other through radial tubes to increase high efficiency. It’s obvious that hot materials and cold medium, the rotary dryer is also known as sleeve type rotary cooler and kiln dryer.
 

Working Theory of  Rotary Dryer:
The wet materials are transported into the material hopper by the belt conveyor and bucket elevator, and gets into the feeding terminal through feeding pipe with the aid of feeder of material hopper. The pitch of the feeding pipe should be more than the natural pitch of materials in order to help the materials flow into the dryer successfully. The cylinder of dryer is a rotary cylinder which is oblique slightly. The materials are fed from the relatively higher terminal, heat carrier comes in from the lower terminal, and sometimes the heat carrier and materials get into the cylinder together.
Along with the revolving of 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. As a result, the wet materials are dried, and discharged out by belt conveyor or screw conveyor on the outlet. There is shoveling plate inside the cylinder in order to shovel materials up and cast it out, to increase the connection surface, to promote drying efficiency, and accelerate the forward movement of materials. Generally, the heat carrier can be hot air and chimney flue.
After the heat carrier is dried, the materials mingled with air should be collected with cyclone dust collector. If there is need to reduce the content of dust mixed with tail gas, the heat carrier should be subject to bag dust collector or wet dust collector before it is discharged.
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