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Paddle Stirring Drum Rotary Dryer

Paddle Stirring Drum Rotary Dryer

Country/Region china
Company zhengzhou Dongding Machinery Co., Ltd.
Categories Conveyor Belt Systems
Update 2019-09-04 06:27:34
ICP License Issued by the Chinese Ministry
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Paddle type rotary dryer, also known as paddle type rotary dryer, is equipped with a high-speed rotating paddle to enhance the crushing and separation function. After the material is broken, the contact surface of the particles is enlarged, which greatly increases Heat transfer rate and vaporization rate. According to the actual test, the per unit evaporation of the paddle rotary dryer is 25-60kg/m2, which is 1-2 times that of the traditional rotary dryer. The output has increased by 50% and the energy consumption has been reduced by 30%. At the same time, the floor space and drying efficiency have increased by 40%. It is suitable for the drying of high humidity materials with moisture content of 50%-85%, such as sludge, bean dregs, starch residue, sauce residue, sprayed corn bran, cassava residue, brewer's grains, distiller's grains, straw, and forage.

Working principle
Pulverized materials with a moisture content of approximately 60% to 80% are fed into the drum through a conveyor belt to achieve downstream drying. Under the action of the inner shovel plate, the material is continuously taken away and moved in a spiral forward movement. The heat exchange between the material and the hot air medium is achieved through the three layers (inner, middle and outer layers). The material that achieves the drying effect moves forward quickly and is discharged from the roller. The wet material that has not yet reached the drying effect is due to its own weight. It does not move quickly and is completely dry in the control path to achieve a drying effect. After the entire drying process is completed, the material is discharged through the screw conveyor, and a vibration cleaning device is installed inside the drum to prevent the material from adhering to the cylinder wall.
Performance features
1. Reasonable partitioning will make the dispersion of materials more effective.
2. The unique broken arch and rapping device effectively solves the problem that the materials are stuck together with the air-lifting device and the materials are blocked and the movement is hindered during the drying process.
3.special material, material feeding device, so that the material and gas exchange efficiency.
4.the use of materials and hot air flow drying process, a wide range of applications, while maintaining the original activity of the material.
5.automatic temperature monitoring and control system to make the system more convenient operation.
6.using frequency conversion technology to adjust the barrel speed, optimize the contact time of materials and hot flue gas, improve the drying effect.
7. The optimized structure design extends the service life of the equipment.
Technical parameters
Daily capacity(t/d)43.752.575.8169.0186.5215.5262.2317.6
Daily output(t/d)25.730.944.699.4109.7126.7154.2186.8
Evaporation capacity(t/h)0.750.901.302.903.203.704.505.45
Moisture of raw material(%)65±5%
Final moisture(%)15%(adjustable)
Drying temperature350-450℃
Total Installed Power(Kw)32405595100125145165
Total weight(kg)15000170002150026500285003700004100045500
Cover area(m25m*14m5m*14m6m*16m8m*16m8m*16m10m*16m10m*18m10m*20m

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