The difference between axial fan and centrifugal fan

The primary uses of fans in the national economy are in the fields of metallurgy.Petrochemistry, electric power, urban rail transit, textile, shipbuilding, and ventilation in various locations.

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The most popular fans are general ventilation fans, which are typically small and medium-sized centrifugal and axial fans. What distinguishes axial fans from typical centrifugal fans?

The difference between axial fan and centrifugal fan

1. The exhaust direction is different：

Firstly,the exhaust direction of the axial flow fan is straight along the direction of the axis,,The air inlet and exhaust outlet of the fan are on a parallel line of the axis.The exhaust direction of the centrifugal fan is perpendicular to the direction of the air inlet, which can achieve 360 degrees Exhaust air in the specified direction.

2. The difficulty of installation is different:

Secondly,the installation of the axial flow fan is relatively simple, usually installed directly on the wall or connected to the air duct. Centrifugal fans are more complicated to install.

3. The difference between air volume and air pressure:

The air volume and wind pressure of the axial flow fan is relatively small, basically there is no wind pressure. However, the air volume and pressure of the centrifugal fan are relatively large. Above all,if there are many elbows in the pipeline, the suction distance and air supply distance are relatively long.The pipeline resistance is large, the centrifugal fan must be used.

4. Different appearance and shape:

The appearance of the axial flow fan is basically cylindrical,。The appearance of the centrifugal fan is snail-shaped.

The motor connection mode of the fan is different: the motor connection of the axial flow fan is generally inside the fan body.The motor of the centrifugal fan is connected by the shaft, usually outside the fan exhaust tube.

The main purpose of axial fan and centrifugal fan

That is to say, axial flow fans and centrifugal fans are two different products in the fan category.Their main functions are also equipment for ventilating the air in the environment.

1. Axial fan

Firstly,It has a wide range of uses. that is, the airflow in the same direction as the axis of the fan blade.

Such as an electric fan, and an air conditioner fan is an axial flow fan. It is called “axial flow” because the gas flows parallel to the shaft of the fan. Axial flow fans are usually used in occasions with high flow requirements and low pressure requirements. Axial fans hold the position and move the air. The axial flow fan is mainly composed of the fan impeller and the casing. The structure is simple but the data requirements are very high.

2. Centrifugal fan

Secondly,It is a machine that relies on input mechanical energy to increase gas pressure and discharge gas.

It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induction of boilers and industrial furnaces; cooling and cooling of air conditioning equipment and household appliances Ventilation; drying and selection of grain; wind tunnel wind source and inflation and propulsion of hovercraft, etc.

Summarize

In conclusion,With the continuous development of science and technology, people’s requirements for the use of centrifugal fans are getting higher and higher.

As far as the current development trend of foreign centrifugal fan technology is concerned.The centrifugal fan will continue to increase in capacity, high efficiency, high-speed miniaturization and low cost. Noise direction.

The capacity of large centrifugal fans continues to increase. With the enlargement of the scale of various industrial devices, the capacity of various types of centrifugal fans is also increasing.The number of large-scale centrifugal fans will increase in the market in the next few years.

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