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    • 1. 发明专利
    • COOLING DEVICE FOR GREEN HOUSE
    • JPH04148123A
    • 1992-05-21
    • JP27090690
    • 1990-10-09
    • EIWA SUPURINKURAA KK
    • FUJISHIGE NOBUAKIICHIKAWA KIYOSHIHORIE KOYU
    • A01G9/24F24F1/00F24F6/14
    • PURPOSE:To enable an inner part of a green house to be efficiently cooled by a method wherein cold water is dispersed at an upper side of an inner roof installed in a green house to cool air over the inner roof and at the same time the air in the green house is circulated from over the inner roof to a downward direction or from downward to an upward direction. CONSTITUTION:A plurality of sprinklers 3 are disposed at an upper surface of an inner roof 2 disposed in a green house 1. Ventilation fans 4 and 5 are disposed at an upper side and a lower side of the inner roof 2. Tap water stored in a water tank 6 is cooled by a water cooling device 7, sucked up to an upper side of the inner roof 2 by a pump 8 and dispersed from the sprinklers 3. The dispersed cold water is dropped onto the upper surface of the inner roof 2 to cool the air over the inner roof 2 under a heat exchanging operation. The dispersed water drops along the inner roof 2, is collected at troughs 10 and 11, returned to the water tank 6 and applied for its reutilization. In turn, the ventilation fans 4 and 5 blow air in an opposite direction as indicated by an arrow to cause the air in the green house 1 to be circulated from the upper part to the lower part of the inner roof 2 and from the lower part to the upper part, respectively, to cause the air above the inner roof 2 cooled by the dispersed cold water to be fed into the lower part of the inner roof 2 and then an entire green house 1 is cooled.