Cooling fan cooling principle is: When the fan is running into the cavity negative pressure, so that the outside-air flow through the porous moist wet curtain surface forces the curtain air dry bulb temperature dropped to close to the machine outside air wet bulb temperature of Yancheng winds cooling fan, cooling fan that exports the dry bulb temperature than the outdoor dry bulb temperature low 5-12 ℃ (dry heat areas up to 15 ℃), the more hot and dry air cooling fan is installed, the temperature difference is bigger, the better the cooling effect. Cooling fan in the traditional performance of the exhaust fan, more energy-efficient, environmentally friendly, wind strengthened. Cooling fan is applied to lower ventilation, smoke, dust, odor removal of the air, improve air quality with good performance, can be widely used in industrial plants, plastic casting, automotive maintenance, petrochemical, paint electroplating, logistics, warehousing, greenhouse gardening, public facilities, and other fields. Changchun cooling fan, Qingzhou Minhua temperature control equipment (certified), the cooling fan is provided by the people of China Qingzhou temperature control equipment plant. Temperature Control Equipment Factory Qingzhou public Hua (www.minhuawenkong.com) (www.minhuawenkong.com) (www.minhuawenkong.com123) is an industry leader in Shandong Weifang, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation development, the principle of honesty and trustworthiness, and satisfy customer needs. Qingzhou temperature control equipment in China and China leading the staff warmly welcome all inquiries negotiations, China and China Qingzhou temperature control equipment to create a better future.