The use of fans to cool the chicken farm pays attention to the following points:
1. Inlet and outlet design: In general, the air inlet area of the house is 2-3 times of the outlet area. If the air inlet is too small, the wind speed in the house will be insufficient, the temperature difference between the front and rear will increase, and the body temperature of the chicken will decrease. Will seriously affect the cooling effect.
2. Wind speed control: The general wind speed is less than 2m/s. Breeding of breeder chickens uses powder. If the feedstuff dust in the house is found to be too large, consider reducing the amount of fan opening during feeding, which can be reduced under non-extremely high temperatures. 1 set of fans; to avoid air leakage, it can also increase the corresponding wind speed.
3, wet curtain open: After completely turning on all the fans, if found that about 20% of the breeder still mouth breathing, you need to immediately open the wet curtain, if significant cooling, you can appropriately reduce the number of open the fan in the house.
4, vertical ventilation: If the vertical ventilation continues until the evening, off the fan, put the curtain and other work should be implemented to the people, in particular, should pay attention to properly grasp the "turn off the fan, the implementation of natural ventilation," the time, as late as possible, conditional field It is only executed around 2am. Only by strengthening management can we maximize the advantages of vertical ventilation.
It is recommended to use aluminum alloy doors and windows or similar structures on the side walls of newly built or remodeled houses to reduce the use of tents, ensure the tightness of the house, and reduce maintenance costs of the house.