Views: 0 Author: Mingletec Publish Time: 2023-02-01 Origin: Mingletec
Axial fans are also called local fans, which are commonly used in industrial and mining enterprises, but unlike ordinary fans, the motor and fan blades are in a cylinder, and the shape is a cylinder, which is used for local ventilation and is easy to install. The ventilation effect is obvious and safe, and the air duct can be connected to send the wind to the designated area.
Mingletec has AC and DC two series of axial fans, DC series is the most we sell, and various models and sizes for optional, DC fans with step-less speed control, provide the equipment with protection functions such as over-current, over-voltage, and overload. DC axial fans can save energy up to 40-80% versus the traditional type.
When the impeller rotates, the gas enters the impeller axially from the air inlet, is pushed by the blades on the impeller to increase the energy of the gas, and then flows into the guide vanes. The guide vanes change the deflected airflow into the axial flow, and at the same time introduce the gas into the diffuser pipe, further convert the kinetic energy of the gas into pressure energy, and finally introduce it into the working pipeline.
Axial fan blades work in a similar way to an airplane wing. However, the latter acts to lift up the wings and support the weight of the aircraft, whereas an axial fan fixes the position and moves the air.
The cross section of the axial flow fan is generally the wing section. The blades can be fixed in position or rotated about their longitudinal axis. The angle between the blades and the airflow or the distance between the blades can be non-adjustable or adjustable. Changing the blade angle or pitch is one of the main advantages of axial fans. Small blade pitch angles produce lower flow rates, while increased pitch results in higher flow rates.
When the axial flow fan is started, the motor current will be 5-6 times higher than the rated value, which will not only affect the service life of the motor but also consume more power. There will be a certain margin in the selection of the motor when the system is designed, the speed of the motor is fixed, but in actual use, sometimes it needs to run at a lower or higher speed, so it is very necessary to carry out frequency conversion transformation. The frequency converter can realize the soft start of the motor, achieve the purpose of energy saving and speed regulation by changing the input voltage frequency of the equipment, and can provide the equipment with protection functions such as over-current, over-voltage, and overload.
It can be used for ventilation or enhanced heat dissipation in metallurgy, chemical industry, light industry, food, medical equipment, mechanical equipment and civil buildings. If the casing is removed, it can also be used as a free fan, and it can also be used in a long exhaust The pipes are installed in series at intervals to increase the wind pressure in the pipes.
Small size axial fan: low power consumption, fast heat dissipation, low noise, energy saving and environmental protection, widely used, etc.
Large axial flow fans have the characteristics of simple structure, stability and reliability, low noise, large air volume, and a wide range of function options.
