Fan drive, stop or exhaust fan fire during operation, such as found irregularities should be checked immediately, inspection found little reason to try to identify the fault should be eliminated. Found great fault (such as fans severe vibration, shock, bearing temperature rise dramatic rise, etc.) should be immediately stopped and checked. One month after the first run Shanxi fan exhaust fan fire, should be re-update to replace oil (or fat) should be replaced after each subsequent addition to the overhaul, but under normal circumstances, February 1 to change the oil (or fat) Qingdao Fire exhaust fan, but also changing the oil (or fat) according to the actual situation. Aluminum and steel impeller using the impeller effect is the same, the case generally depends on the use to decide with which the impeller. 1. The proportion of steel is 7.85, while the proportion of aluminum is about 2.7 (usually with aluminum, aluminum can not be used for low intensity), nearly three times the weight difference. Because of its light weight aluminum, power consumption can be reduced accordingly, to play to save energy. 2. The melting point of about 1500 degrees steel, aluminum is 660 degrees. At high temperatures, aluminum impeller must not be used. 3. steel easily oxidized in air (not embalmed before Hebei exhaust fan fire, such as galvanized, etc.), and aluminum in the oxidized surface can form a dense oxide film, so that it can not continue to oxidation. In the case of a slight corrosive atmosphere aluminum impeller than steel impeller. 4. strength greater than steel aluminum, due to the intensity of the subject, a large fan impellers are generally used steel impeller. Henan exhaust fan fire, Hao Yang air conditioning equipment (certified), exhaust fan fire provided by the Texas Air Conditioning Equipment Co., Ltd. Hao Yang. Air Conditioning Equipment Co., Texas Hao Yang (www.dzhykt.com) is Dezhou, chemical fiber fabric, lining leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hao Yang air conditioning equipment in leadership with the staff warmly welcome all inquiries negotiations to create Hao Yang air conditioning equipment a better future.