Cooled Tunnels

Cooled single tunnel greenhouses structure consists of arcs that are directly fixed to the ground using special crosses, crops support bar is fixed to the arcs, and arcs are fixed together using longitudinal berlins.
On the front and back ends of the greenhouse, wind support brackets are installed, evaporative cooling system is used in cooled tunnels; the front side of the tunnel is designed so that 2 exhaust fans can be installed. 
The back side is designed for the evaporative celdek pads and water gutters, the cooled tunnel top side is usually covered with polyethylene, the front and back sides can be either covered with corrugated fiber glass or double layer polycarbonate sheets.
Two circulation fans are sufficient for air rotation and better climate control, the climate control is done using a simple control panel that uses temperature and humidity sensors readings to control the operation of the cooling system. 
Aluminum doors are installed in the front side of the tunnel, optional service room can be added to the cooled tunnel, the maximum allowed cooled tunnel length is 29 meters for efficient operation of the evaporative cooling system. I.e. the cooled tunnel greenhouse area is around 351 square meters for span width of 9 m, the tunnel height is usually 3.2 m 

Carl
Rossman


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Diana
Rossman


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Sam
Rossman


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