Fans are an integral part of the storage system, and therefore it is very important the proper type of fans are chosen for the right application. Furthermore, fans should be reliable and able to work under difficult circumstances. Our fans are designed especially for agricultural applications.

Components
• Cast aluminium fan blade
• Ring made of galvanized steel
• Ring shape is designed to prevent turbulence

Ventilation with outside air requires air inlet hatches and consequently air outlet hatches. The air inlet hatches are located near to the fans and are used to create an optimal mix between internal and external to achieve an optimal air flow to the product.

Allround produces the hatches in their own factory.

Made of:

• Flap made of first class PIR sandwich panels
• Very durable and weather proof sealing rubber
• Galvanized steel frame and hatch cover

With the help of a mixing box construction around the air inlet hatch, the amount of internal and external air can be regulated. The storage controller knows the ideal conditions of the air that is required by the produce. By opening the hatches with pulses the hatch will be placed in optimal. The length of the pulse depends of the outside temperature. When it is very cold the pulse will be short to avoid too cold air entering the store.

All kind of stored agricultural products are sensitive for too high CO2 levels. Too high CO2 levels can affect the quality of the product. For example during storage of industrial potatoes, high CO2 levels can affect the frying quality. In systems where a lot of outside air is used, it is not so difficult to control the CO2 level. In hot climates, or very cold climates where use of outside air is limited, a CO2 heat exchanger will be the best solution. In warm climates outside air cannot be applied directly since this will cause an increase of the product temperature. With the help of a heat-exchanger the extracted cold air from the storage room with high CO2 level is applied to pre-cool the warm outside air with low CO2 level. In this way energy savings up to 90% can be achieved.

Components

• Control panel
• High efficient heat exchanger
• Western Europe fans used
• Housing made of galvanized steel

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