An adjustable deflector air supply method and device attached to the wall of a square column
A technology of air supply device and deflector, which is applied in the direction of heating method, airflow control element, space heating and ventilation, etc. It can solve the problems of energy waste, high air supply speed, human health impact, etc., and reduce discomfort Excellent blowing feeling, improving air cleanliness and improving ventilation efficiency
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Embodiment 1
[0047] In this embodiment, a 12m×12m×4m (L×W×H) building space is taken as the research object, and four square columns are evenly distributed in the building space, and the size of a single square column is 1m×1m×4m (L×W×H). ×H), the column wall is attached to the ventilation and the deflector is assumed to distribute the airflow distribution as follows figure 1 shown. The present invention includes a strip-shaped air outlet and a segmented deflector. In this embodiment, the segmented deflector includes an arc-shaped deflector and two straight deflectors; the size of the strip-shaped air outlet 1 is 1000mm ×60mm (L×W). A segmented deflector is installed on each of the four sides of the column, such as Figure 5As shown, the first arc deflectors 2 on the four sides of the cylinder are linked by a slider 5 that adjusts the height of the deflectors. The slider 5 is embedded with an internally threaded bearing, and the slider 5 is connected by a screw rod 6. The height adjustm...
Embodiment 2
[0049] In order to ensure the cleanliness and freshness of the air in the breathing zone, the height of the deflector is set to 0.6m, 0.8m, 1.1m, 1.4m, 1.7m, 2.3m according to the height of the general human body. The air supply speed of a bar-shaped air supply port of the column is 2m / s, the air supply temperature is 20°C, and the total air supply volume is 6912m 3 / h, a return air outlet with a size of 0.4m×0.4m is arranged around the top of the room, and a return air outlet with a size of 0.6m×0.6m is arranged in the center of the top of the room. The total exhaust air volume is equal to the air supply volume. Through numerical simulation, it is found that under the six working conditions, the temperature distribution, such as Figure 8 As shown in the middle section of the air outlet, when the height of the deflector is 1.1m, 1.4m and 1.7m, the temperature fluctuation range is 1.1m (sitting) and 1.7m (standing) in the human breathing zone. Between 25-27°C, it meets the th...
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