Exhaust fan as a common mechanical equipment exhaust fan description, it should always be maintained exhaust fan specifications, so that it can be a longer service life. Fan maintenance methods are mainly the following aspects: 1, regular cleaning of the fan and tube dust, debris and the like. 2, fans keep clean the surface and use the environment. 3, to maintain sufficient power supply capacity, voltage stability exhaust fan principle, prohibited phase operation; fire exhaust fan, as a dual-purpose machine ventilation equipment, by residents and the factory equipment shop favorite, today will take you to detailed an important role in mechanical ventilation exhaust fan fire the next understanding. With the initial fire exhaust fan there may be windows, walls condensation, even slight surface grain surface condensation exhaust fan, as long as the fan is stopped, open the windows, open axial fans, turning grain surface, if necessary, within the humid warehouse warehouse outside air can be excluded. Exhaust fan description, exhaust fan, liter by liter Rui Rui Electrical and Mechanical Ventilation and Air Conditioning Electrical Equipment Factory. L Rui HVAC Electrical Equipment Factory (www.dzsrxfkt.com) strong, credible, Shandong Texas fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Swiss mechanical and electrical liter into the brilliant and you work for a better future!