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  Nowadays,   big hvls fans   on the market have various styles, and the corresponding materials will be different, which determines the service life of the products to a certain extent. Large industrial hvls fans  of many factories are made of iron. However, iron is easy to rust in humid air, and it will rust faster in wet air with acid, alkali or salt solution. At high temperature, it requires a lot of material resources to clean up, which will make enterprises invest more cost in the later use. Qixiang big hvls fans are made of high-end aluminum magnesium alloy. It combines the advantages of aluminum and magnesium, and its main characteristics are low density, high tensile strength and high elongation. In addition, the weight is lower than other metal materials. Therefore, Qixiang’s big hvls fans made of aluminum magnesium alloy have the advantages of strong and light weight, low density, good heat dissipation and strong compression resistance. Although the cost o...

  ​Longer blades will create a wider column of air that is pushed downwards by an  HVLS fan . Airflow research conducted by Ramadan Bassiouny and Nader S. Korah published in a 2011 issue of Energy and Buildings showed that the maximum amount of airflow comes from the midpoint of a fan. Airflow is lowest in the center of the fan and at the very edge of blade tips. This is why you don’t feel as much airflow when standing directly under a ceiling fan as you would if you were standing slightly to the side of its hub. More blades might improve the velocity of air moving through the fan, but they don’t do anything to widen the column of air pushed out by the fan. Having more blades also increases the fan’s energy consumption. 1. The number of blades on a  ceiling fan  is important to its performance. While additional blades create more airflow fan weight and drag also increase, which requires the fan motor to work harder. Studies show that the airf...