Wet curtain---fan machine temperature decrease system is consisted of paper made wet curtain with many holes, water recycling system, fans. Unsaturated air will vapor when going through wet curtain surface with many holes. The sensible heat from air temperature will be changed to internal latent heat so as to reduce the temperature in the air. The cool air will be introduced into room by convulsion by fan so as to achieve temperature decrease effect.

Evaporation Flow Cooling technologies is one of the most ancient temperature decreasing cooling methods with water as media. As we are paying high attention to environmental protection, energy and quality of room air and high tech, the evaporation flow cooling technologies come into being. At present more than 2 thousand evaporation flow cooling device is being used. Besides the greenhouse and poultry room, they are also used in big cooling load industries such as textile, machinery, chemical, injection molding. They are cost saving; Temperature decreasing function is more prominent where the temperature is high and dry.