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Three-drum Dryer

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Three-drum Dryer

Three-drum Dryer

Three-drum dryer or three-cylinder dyer is mainly used to dry granular materials with certain humidity and particle size, such as yellow sand, foundry sand, slag, coal cinder, clay with small particle size and other granular materials that resist to high temperature, dust and smoke.

Introduction to Three-drum Dryer

Three-drum dryer or three-cylinder dyer is mainly used to dry granular materials with certain humidity and particle size, such as yellow sand, foundry sand, slag, coal cinder, clay with small particle size and other granular materials that resist to high temperature, dust and smoke. Moisture content of materials after drying can reach 1 to 0.5 % or below. It is one of the wet materials drying equipment, which is highly efficient and energy-saving product improved on the basis of single-cylinder rotary dryer. After application of various enterprises and industries, three-drum dryer has achieved good results and well received by various customers. Three-drum dryer has improved internal structure of monocular dryer, which prolongs the time of pre-drying of wet materials and wet materials in the machine, thus improving 50% to 80% of production capacity compared with original monocular dryer.

Three-drum Dryer

Characteristics of Three-drum Dryer

1. Equipment investment is only 1/6 of foreign imported products. Triple-drum dryer is made of 16Mn steel plate whose service life is 3 to 4 times longer than common steel plate.

2. 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%)

3. Fuel of three-drum rotary dryer can be coal, oil, gas, etc. It can dry block, granular and powder materials with the particle size of 20 to 40mm.

4. Three-drum dryer can easily control the moisture content of materials after drying according to customers' requirements, which can be as low as below 0.5%.

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

Three-drum Dryer

Three-drum dryer has such advantages as compact structure, simple structure, reasonable layout, etc, which can improve heat exchange rate of materials and thermal energy and make materials drying effect better. What's more, it has low basic investment, which is 1/2 of monocular dryer with same output. Meanwhile, three-drum dryer easily realizes automatic control and reduces operators, which saves labor resources.

Parameter

Item/Unit/Model Φ2.5×7m Φ2.7×7m Φ3.0×7.0m Φ3.2×7.0m Φ3.6×8m
Diameter of outer cylinder(m) 2.5 2.7 3.0 3.2 3.6
Length of outer cylinder(m) 7 7 7.0 7.0 8
Cylinder volume( m³ ) 16.63 16.63 52.678 52.678 81.38
Rotating speed of cylinder(rpm) 4-10 4-10 4 -10 4 -10 4 -10
Initial moisture of slag(%) 10-12 10-12 10-12 10-12 10-12
Final moisture of slag(%) 1 1 1 1 1
Initial moisture of yellow ground(%) 8-10 8-10 8-10 8-10 8-10
Final moisture of yellow ground (%) 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1
Highest intake air temperature(℃) 700-750℃ 700-750℃ 700-750℃ 700-750℃ 700-750℃
Production capacity(T/h) Yellow sand25-30
Slag20-25
Yellow sand30-35
Slag25-30
Yellow sand35-40
Slag30-35
Yellow sand45-50
Slag35-40
Yellow sand65-70
Slag60-65
Motor type Y2-132m-4E Y2-132m-4E Y2-160m-4 Y2-160m-4 Y2-160m-4
Motor power(kw) 7.5×2 11×2 7.5×4 7.5×4 15×4
Reducer type XWD7-23-11W XWD7-23-11W XWD6-23-7.5KW XWD6-23-7.5KW XWD8-23-15KW
Velocity ratio of reducer 29 29 29 29 29
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