| 摘要 |
The ventilation system for improving air circulation in livestock buildings comprises two fans (1,3) installed back to back with a separating plate (2) between them. The fans are anchored to the ceiling by cables (6,7,12,13,16). The two fans cause opposite air flows (4,5) of almost the same amount flowing away from each other and stabilising the system. The separating plate between the fans maintains the two air circuits on either side almost independent. The fans are connected to a lifting system (17), enabling the adjustment of height (18) between them and the ground (19).
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