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How to dry Scallion:
1:Place the scallion on the conveyor belt of the scallion dryer. The scallion is spread on the feeder by the homogenizing device on the conveyor belt.The stacking thickness of scallion is 10-20CM.
2:After the scallion enters the scallion dryer, it runs in an “S” shape in the dryer. The transmission part of the scallion dryer adopts a variable-frequency speed-regulating motor, which can control the internal operation time of the drying according to the difference of the water content of the scallion.
3:The wind speed and wind pressure generated by the hot air blower make the hot air fully and evenly distributed inside the scallion dryer. Because the lower pressure is greater than the upper pressure, the hot air naturally moves upward, passing through each layer of the mesh belt, plus the movement and rolling of the scallion, Make the scallion fully contact with the hot air, fully heat exchange, and improve the drying efficiency. The dried scallion will drain through the last layer.
Working principle of scallion dryer:
Scallion dryer machine is a kind of continuous production drying equipment, the main heating way has electric heating, steam heating, hot air heating. Its main working principle is to spread the material evenly in the network. The material is moved in the dryer by the operation of the machine, and the hot air draws out the water vapor of the material. so as to achieve the purpose of drying.
The operation temperature is 40-120 degree centigrade. And the dry cycle is 1-5 hours.
Components of scallion dryer
Scallion dryer includes heat source, feed conveyor, air intake system, discharge conveyor, electronic control system and drying host.
Heat source selection of scallion dryer
The optional heat sources for the scallion dryer are electricity, oil, natural gas, coal, wood, and steam.
Detail display of scallion dryer
Advantages of scallion dryer
1. High capacity: The scallion dryer has continuous automatic production, fast dehydration speed, short drying time and high output.
2. High quality: Scallion can be maintained full of shape, bright, color.
3. Clean and sanitation: The entire scallion drying process is completed in a closed box, free from external pollution.
4. Intelligent and controllable: High degree of automation equipment, simple operation. Drying area, air pressure, air flow, drying temperature and belt running speed can be adjust.
5. Wide usage: Can be used for material from any field.
6. Flexible heat source selection: Coal,wood chips,natural gas,diesel,propane,electricity etc.
7. Flexible mobility, simple or without installation.
| continuous mesh belt dryer list | |||||||
| Model | operation temperature | drying time | thickness of the material | the size of motor | capacity | heat source | total power |
| BX-2*6M | 40-120℃ | 0.5-5h | 50-200mm | 6*2*2.5 | 200-400kg/h | electricity | 66.5kw |
| natural gas/propane | 12.22kw | ||||||
| coal/wood chips | 13.72kw | ||||||
| steam | 11.22kw | ||||||
| BX-2*9M | 9*2*2.5 | 500-800kg/h | electricity | 79.76kw | |||
| natural gas/propane | 20.12kw | ||||||
| coal/wood chips | 23.12kw | ||||||
| steam | 16.62kw | ||||||
| BX-2*12M | 12*2*2.5 | 1000-1500kg/h | electricity | 153.12kw | |||
| natural gas/propane | 33.12kw | ||||||
| coal/wood chips | 36.12kw | ||||||
| steam | 25.62kw | ||||||
| The continuous drying machine can be equipped according to the user’s requirement and the production demands. | |||||||
The mesh belt dryer machine is suitable for food series, vegetable series, fruit series, pharmaceutical series, agricultural and sideline products of large-scale continuous dehydration drying. It is an ideal choice for large enterprises to dry fruits, vegetables, flowers, leaves, meat, pet snacks, herbs, spices, nuts, seeds, and seafood.
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