Vegetable Dryer
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Whole Onion Drying and Storage
When storing large quantities of whole onions, controlling the appropriate temperature and humidity is crucial. Using heat pump technology can effectively maintain these storage conditions, as heat pumps can regulate temperature and control humidity through cooling or heating.
1. Storage Conditions
Temperature: Heat pump technology can regulate cooling or heating to maintain a temperature of 25-30°C or other required temperatures. The skin of the onions should be dried first, and then stored at specific temperatures and humidity levels after drying.
Humidity: The ideal humidity for onion storage is 65-70%. Excessive humidity can cause onions to mold, while low humidity can lead to drying and spoilage. Heat pump technology can effectively control the humidity in the storage area, ensuring that onions are stored in a suitable environment.
2. Application of Heat Pump Technology
Temperature Control: Heat pumps can precisely control the temperature in the storage area, ensuring that onions are stored at 25-30°C or other required temperatures.
Humidity Control: Heat pump technology can also regulate the humidity in the storage area, keeping it within the 65-70% range to prevent onions from molding or drying out.
3. Storage Methods
Ventilation Drying Method: Onions need to be stored in a well-ventilated environment to maintain dryness. Heat pump technology can assist this process by regulating air circulation.
Precautions
Avoid Direct Sunlight: Onions should be stored away from direct sunlight to prevent spoilage.
Regular Inspection: During the storage period, regularly inspect the condition of the onions to ensure they have not sprouted or rotted.
By applying these methods and heat pump technology, large quantities of whole onions can be effectively stored, ensuring they maintain good quality over an extended period.
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