Onion Storage
In recent years, Allround Storage has focused entirely on the storage of onions at 27 degrees. In subtropical and tropical conditions, storage at 27 degrees is a much smarter and more efficient way. In the tropics, the onions are stored over the summer. In the case of European storage, this is the winter over. From an energetic point of view, it is therefore a much more efficient way to maintain tropical and subtropical conditions at 27 degrees. An additional big advantage and perhaps the biggest advantage with 27 degrees storage of onions is that the chance of sprouting is much lower than with the traditional two degrees of storage. The method of storage at 27 degrees is very old. However, Allround Storage has tested and optimized this method of storage together with various partners. We did those tests the last years with a major seed company and one of the Indian leading cold store / onion exporter. We are happy to share our knowledge with you and assess with you whether this method of onion storage is the right one for your circumstances.
Bulk storage
For Storage in bulk for onion is an effective and economical way of storage. Effective be-cause it is a direct ventilation system what means that 100% of the air distribution com-ing from the fan is forced to pass the product. With an Allround engineered bulk system all the product will receive the same amount of air, what creates a perfect temperature and humidity balance all over the pile. When storing onions in bulk, the product is placed amass up to 3,5 to 4,5 meter. With Allround equipment the temperature, humidi-ty and CO₂ level through the complete store are fully controlled.
Advantages
• Effective drying and cooling
• Equal temperature and humidity
• Optimal distribution of anti-sprouting agents
• Very cost-effective method of storage. You do not to buy the boxes.
Disadvantages
• Not possible to separate different lots or varieties in the same room
• Special machinery is needed to fill the store. Space finer or filling belt.
Most suitable for
• Larger quantities.
Box Storage
With box storage the products are stored in large bins. The product is stacked up to about 6 boxes high. The standard European size for boxes is 1200 mm x 1600 mm x 1230 mm. With indirect room ventilation the room air will be conditioned and through natural convection the air will pass the product. The indirect room ventilation system for open boxes is the most flexible box system. It doesn’t matter in what way the boxes are placed in the room, different sizes of boxes can be used, even for short time different products can be stored in same room. Especially for daily fluctuating demand room ventilation system is very flexible. Wet product cannot be dried effectively with a room ventilation system, so products which have to be dried after harvest should be dried in an direct system before it will be put in the room ventilation storage.
NO DRAWING
Advantages
• Quite inexpensive system
• Very flexible system
Disadvantages
• Product cannot be dried
• Harder to control the product conditions
Rack Storage
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