onion dryer

Industries Food Processing Agriculture Pharmaceuticals Food Packaging

Material: Suitable for various meat products, vegetables, fruits, food, medicinal materials, crops, etc.


Onion dryer introduction

An onion dryer is a specialized machine designed for dehydrating onions and other vegetables. These machines are essential in the food processing industry, where dried onions are used in various products such as soups, sauces, and seasonings. The following are six common features of onion dryers:

  1. Adjustable Temperature Control: Onion dryers allow users to adjust the temperature settings to meet specific drying requirements. This helps maintain the desired flavor and texture of the onions.
  2. Digital Timers: Many onion dryers come with built-in timers, allowing users to set precise drying durations for optimal results.
  3. Uniform Heat Distribution: The drying chamber of an onion dryer is designed to distribute heat evenly, ensuring consistent drying results.
  4. Transparent Doors or Lids: Some onion dryers feature transparent doors or lids, allowing users to monitor the drying process without opening the machine.
  5. Adjustable Airflow: Some models offer airflow control options to maintain the ideal drying environment.
  6. Quiet Operation: Modern onion dryers are designed for quiet operation, suitable for use in various environments.

onion dryer   

How onion dryer works

Onion dryers use controlled heat and airflow to remove moisture from onions effectively, preserving their quality and extending their shelf life. The basic principle behind the operation of an onion dryer involves the following steps:

  1. Preparation: Onions are prepared by slicing or cutting them into uniform pieces or slices, allowing for consistent drying.
  2. Loading: The prepared onions are placed onto trays or racks inside the drying chamber of the onion dryer.
  3. Drying: The dryer’s heating element generates heat, and a fan circulates warm air throughout the drying chamber. The warm air gently removes moisture from the surface of the onions.
  4. Airflow: The airflow within the drying chamber ensures that heat is distributed evenly, promoting uniform drying and preventing the formation of hot spots.
  5. Temperature and Humidity Control: The temperature and humidity levels inside the dryer are carefully monitored and controlled to create the optimal drying environment for onions.
  6. Drying Time: The drying process continues until the onions reach the desired moisture content, typically around 10-15% for dried onions.
  7. Cooling: Once the drying process is complete, the onions are allowed to cool down before being removed from the dryer.

Application areas of onion dryers

  1. Industries Food Processing Agriculture Pharmaceuticals Food Packaging
  2. Material: Suitable for various meat products, vegetables, fruits, food, medicinal materials, crops, etc.

Technical Data:

ModelLarge sizeMedium sizeSmall size
Total power49.65kw23.2kw10.75kw
Board room materialPolyurethane insulation board(Also can choose rock wool insulation board)
CompressorAir enthalpy increasing valley wheel compressor
Number of fan171619
Number of trays36014496
Number of trolleys1564
Size of trolley0.88*1.2*1.75m0.88*1.2*1.75m0.86*0.81*1.75m
Board room size8*3*2.85m5.6*2.2*2.7m3.3*2*2.2m
Applicable temperature rangeMinus 10℃~43℃
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