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Three Cylinder Sand Dryer

Three Cylinder Sand Dryer

Three cylinder drying machine is also called Triple-pass Rotary Drum Dryer. It is a kind of drying equipment to dry material with humidity or granularity in the industries of mineral dressing, building material.

  • 4-10r/minFeed Size
  • 11-88KWMotor Power
  • 8-100t/hProcessing capacity
  • 60S Quick response
  • 30 min Technical reply
  • 24h design proposal
  • Email:hnbc@baichy.com

What is 3 cylinder rotary dryer?

The three-cylinder rotary dryer is to shorten overall size of the dryer body by changing the single drum dryer into three nested cylinders. The cylinder part of the dryer is composed of three coaxial and horizontal inner, middle and outer cylinders stacked, which makes full use of the cross section of the cylinder. It greatly reduces the floor area and plant construction area. The three-cylinder dryer is widely used in drying sand, slag, clay, coal, iron powder, mineral powder and other mixed materials in various industries, dry-mixed mortar in the construction industry, river sand, yellow sand, etc
dryer sand dryer coal
 
building sand drying plant

Why choose 3 cylinder rotary dryer?

1. Due to the three-tube structure, the inner tube and the middle tube are surrounded by the outer tube to form a self-insulation structure, the total heat dissipation area of the cylinder is greatly reduced. Also, the degree of dispersion of the material in the cylinder is greatly improved, and the heat is fully utilized. The temperature of exhaust gas and dry material is reduced, thereby improving thermal efficiency, reducing energy consumption and increasing output.

2. Due to the adoption of the three-cylinder structure, the length of the cylinder is greatly shortened, thereby reducing the occupied area and the investment cost of civil engineering.

3. The transmission system is simplified. Supporting wheels are used for transmission instead of large and small gears. Thereby reducing the cost, improving transmission efficiency and reducing noise.

4. The fuel can be adapted to coal, oil and gas. It can dry lumps, pellets and powder materials below 20mm.

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  • High Quality

    Compact structure,small floor area,the length cut down 60% than single cylinder rotary dryer,be helpful to plant layout.

  • Customized Design

    Fuel of three-drum rotary dryer can be coal,oil,gas,etc.It can dry block,granular and powder materials.

  • Good Performance

    Self insulation efficiency of cylinder is as high as above 80%, which greatly improves thermal efficiency to 45%. (thermal efficiency of traditional monocular dryer is just 35%).

Product features

It's without rack wheel transmission,but uses riding wheel drive, which is of smooth operation,high running rate,less maintenance,low cost,etc.

  • sand drying equipment
  • triple pass dryer
  • triple pass drum dryer
  • sand rotary dryer

Working principle

Materials enter the inner side of the drum through the feeding device to realize current flow drying process,then the materials enter the middle layer of the inner wall through the other end to realize counter current drying process.They are lifted in over and over in the middle layer which advance in two-steps forward and one-step back way.The three-drum dryers absorb heat from both inner drum and middle drum,which extend the drying time and realize the best drying condition.Finally,materials fall into the external layer of the drum from the other end of the middle layer, processing in a rectangle multi-loop way.The dried materials move quickly out of the drum under the hot air,while the wet ones remain because of their own weight.Materials are dried completely inside the rectangle shoveling plate and then cooled by the single drum cooler, thus finishing the whole drying process.

3 pass rotary dryer

Specification

Model Diameter of outer cylinder(m) Length of outer cylinder (m) Drum volume(m³) Rotation speed(r/min) Max. air flow temperature(℃) Production capacity(t/h) Power(kw)
Ф2.0*4m 2 4 12.56 4-10 700-750 8-15 5.5x2
Ф2.2*5m 2.2 5 18.99 4-10 700-750 12-20 5.5x2
Ф2.5*6m 2.5 6 29.43 4-10 700-750 18-28 7.5x2
Ф2.8*6m 2.8 6 36.92 4-10 700-750 25-35 11x2
Ф3.0*6m 3 6 42.39 4-10 700-750 30-40 7.5x4
Ф3.0*7m 3 7 49.45 4-10 700-750 30-45 7.5x4
Ф3.2*7m 3.2 7 56.27 4-10 700-750 35-55 11x4
Ф3.6*8m 3.6 8 81.39 4-10 700-750 55-75 18.5x4
Ф4.0*10m 4 10 125.60 4-10 700-750 70-100 22x4

*The output will vary according to different materials, feed particle size and other factors

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