Classification of exhaust fans
Release time:
2024-01-19
Divided by intake and exhaust ports The exhaust fan is divided into partition type (both sides of the partition hole are free spaces, and air is exchanged from one side of the partition to the other), duct exhaust type (one side is intake from the free space, and the other side is exhaust through the duct), duct intake type (one side is intake through the duct, and the other side is exhaust to the free space), and full duct type (both sides of the exhaust fan are equipped with ducts, and air is intake and exhaust through the duct). According to the form of airflow, it is divided into centrifugal (air enters parallel to the axis of rotation and exits perpendicular to the axis), axial (air enters parallel to the axis of rotation and exits parallel to the axis), and cross flow (air enters and exits perpendicular to the axis).
Divided by intake and exhaust ports
The exhaust fan is divided into partition type (both sides of the partition hole are free spaces, and air is exchanged from one side of the partition to the other), duct exhaust type (one side is intake from the free space, and the other side is exhaust through the duct), duct intake type (one side is intake through the duct, and the other side is exhaust to the free space), and full duct type (both sides of the exhaust fan are equipped with ducts, and air is intake and exhaust through the duct). According to the form of airflow, it is divided into centrifugal (air enters parallel to the axis of rotation and exits perpendicular to the axis), axial (air enters parallel to the axis of rotation and exits parallel to the axis), and cross flow (air enters and exits perpendicular to the axis).
Divided by ventilation method
There are three types of ventilation methods for exhaust fans: exhaust, suction, and combined. The exhaust type enters the air from the natural intake and expels polluted air through the exhaust fan; The suction type draws in fresh air through a ventilation fan and expels polluted air from the natural exhaust outlet; The combination of intake and exhaust is completed by a ventilation fan.
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