AIR-CIRCULATION VENTILATING DEVICE FOR PIG HOUSE

摘要

The present invention relates to a ventilation device for introducing fresh outside air into a pig house, and to circulate air in the pig house in winter, and to an air circulation ventilator for fixing the ventilation device in the pig house. In the ventilator (10) having a rain gutter (11) is formed in the discharge port 12 is formed in the lower portion and the motor (13) for rotating the fan 14 therein, in the upper part of the motor (13) By forming a ventilation window 40 communicating with the inside and forming a fixing ring 30 on the outside of the ventilator 10 is made by fixing with the upper frame 60 of the pig company with a fixing strap 20 is connected to the fixing strap (23).