1. The new wind ventilators for the room with a small ventilation with heat recovery equipment. The main control parameters for the selected air flow, the loss of static pressure, total pressure outlet, input power, effective ventilation rate, the exchange efficiency, noise and the like. 2. The new wind ventilators performance should meet the requirements of Table 1, the device corresponds to the nominal air flow heat exchange efficiency value of not less than the requirements of Table 2. 3. In general, when the new air temperature of about -10 ℃, the exhaust side frost may occur, can be set before the unit is air preheater. 4. The device of choice should meet the requirements of other standards and specifications. Under the current situation, energy saving, environmental protection, new wind system war has become the core of the new wind facilities built building, air conditioning throughout the envisaged war user concern, and we have been very concerned about the fresh air ventilator is precisely this environment is to be shipped Health. According to the survey understand, to fight air pollution weather changes rather than answer the need to adopt the same strategy to break up. Because there is a total war weather changes due to air pollution levels are very torrent, that is all secondary emissions from the burning of fossil fuels are formed, thereby lessening air pollution and combat sections made to reduce greenhouse gas emissions on the weather outside actions should be divided. The new wind ventilators are confidential in accordance with open eyes on the other side of the room side windward the wind, then being indoors would constitute "a new wind farm Fury" truth be envisaged research made. It relies on the wind machine, the wind, is to form a new wind farm commotion in the system. An hour coupling dirty indoor air dry and refreshing new environmentally friendly appliances. This indoor atmosphere replacement, dirty circulatory system of the new wind ventilators offer, indoor environment pollution can be released at the same time, enter new natural environment, fresh air indoors will enter Britain at the end of the first filter, sterilization, heating, aerobics and many other disposal. Maintaining working parameters and other structural parameters constant, changing water several new wind ventilators, changes in performance parameters obtained by the simulation of fresh air ventilator unit shown in Figure 3-8. Figure 3-8 shows the analysis: total flow of cold water to maintain a certain time, to reduce the number of new wind ventilators waterway can be improved in the pipe flow velocity, increasing the water-side heat transfer coefficient, thus increasing the overall heat transfer coefficient, thus cooling capacity It will increase. However, for the same water, the inner tube temperature gradually increased due absorb heat recovery fresh air ventilator, heat transfer temperature difference between the air side and water side is reduced, resulting in reduced cooling infinitesimal amount, resulting in reduced unit waterway waterways The heat exchanger length increases, the flow velocity in certain circumstances under the new wind ventilators, cooling capacity will be reduced. The figure shows that water reduced from 4 to 1, the inner pipe flow velocity increases, the cooling capacity increase of only 12%, while the water-side resistance but surge 31 times, the required pump power will be greatly increased. As can be seen from the above analysis, while reducing the number of new wind ventilators waterway specifications, a very small increase cooling capacity, and the water side resistance increased significantly. Therefore, the practice of reducing the waterway For conventional air conditioning system, and no practical value, used ice storage cold air distribution applications. Ice storage air-conditioning systems in cold water temperature is particularly low (about 1 ~ 2 ℃), compared to conventional air conditioning, cooling capacity under the same circumstances, the required amount of cold water is very small, it does not affect the water supply after reduction cold, and the water side resistance and within a certain range. The new ventilation unit | Biography flat fiberglass fresh air ventilator (certified) | new wind ventilators supplied by Wu Teng County 庄传平 glass steel working place. Wu County Teng 庄传平 FRP processing at (www.sdtengfei.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Biography leader in flat glass and steel with the staff warmly welcome all inquiries negotiations to create mass flat fiberglass better future.