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Ventilation and cooling characteristics of environmental protection air-conditioning workshop for ventilation and cooling engineering


Compared with traditional mechanical air conditioners, ventilation and cooling projects have the following characteristics:
(1) Low initial investment <br> Install centralized air conditioners and evaporative air conditioners in the same area. The initial investment of evaporative air conditioners is about 3/5 of traditional mechanical air conditioners;
(2) Low power consumption <br> The energy consumption of the evaporative air conditioning system is about 1/5 of that of traditional mechanical air conditioners, which saves about 80% of electricity; the COP value is about 2.5 to 5 times that of mechanical refrigeration;
(3) Fresh air operation, good air quality. <br> As the straight-through fresh air operation is adopted, the air quality of the supply air is guaranteed, which significantly improves the air quality in the workshop;
(4) Large air volume, long air supply, good cooling effect <br> Adopting centrifugal or axial flow fan, large air volume, high pressure and long distance of air supply. In Guangdong, the unit can generally achieve a cooling effect of 4 ~ 8 ℃ ;
(5) High relative humidity <br> However, compared with mechanical refrigeration air conditioners, the disadvantage of evaporative air conditioners is that the supply air temperature is relatively high.
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