Targeted ventilation device for relieving heat stress of cows
A ventilation device, heat stress technology, applied in applications, animal houses, animal husbandry, etc., can solve the problems of increasing air humidity, small droplet diameter, taking away evaporative heat dissipation, etc., to alleviate heat stress response , cooling comfort, good cooling effect
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[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0020] like figure 1 , figure 2 As shown, the present invention includes a plurality of support frames 2 arranged at intervals on each headflag 1 in the open dairy cow house, and an independent ventilation duct 3 is jointly supported on the top of each support frame 2, and each ventilation duct 3 includes a set The three-way pipe 4 in its center is connected to a fan 6 at the air inlet of the three-way pipe 4 through a reducing pipe 5 below the upper circle, and an air supply branch pipe 7 is respectively connected to the air outlets on both sides of the three-way pipe 4; Each air supply branch pipe 7 is made up of several straight pipes 8 and the reducing pipe 9 that connects adjacent two straight pipes 8 (as image 3 Shown), the farthest end of air supply straight pipe 7 is sealed. The diameter of the straight pipe 8 decreases step by step from ...
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