The air volume of industrial fans is mainly affected by the fan blade Angle and the motor speed. In general, the more fan blades, the smaller the wind, the better the air supply effect, the softer, but the more blades, the greater the weight, the greater the load, the greater the inertial reaction force, the greater the risk factors. The purchase of industrial fans can not blindly pursue the air volume, to consider the characteristics of rotation balance.
The amount of air mainly depends on the shape, inclination and rotation of the blades, as well as the number and structural theory of the blades themselves. The wider the blade, the greater the air volume, but the wider the blade, the greater the impact of the blade on the air, the greater the wind resistance, the greater the torque required by the motor, resulting in increased energy consumption. So the wider the blade, the more air.
The higher the speed of the industrial fan, the greater the air volume, but the higher the power, the smaller the torque, so to improve the speed, either increase the motor power to meet the torque required for the operation of the industrial fan, or reduce the weight of the fan blade to reduce the torque required for the operation of the industrial fan, but both methods will increase the risk factor, resulting in safety risks, so the higher the speed, the effect is not necessarily better.
Many business owners believe that the greater the power of industrial fans, the greater the volume of air. But the motor determines the speed, the greater the power does not mean the higher the speed, the greater the motor power, the greater the weight, the greater the inertial reaction, the greater the risk factor, the higher the power, the greater the energy consumption.