Working principle of negative pressure weighing room

The equipment adopts a vertical unidirectional airflow form, and the return air is first pre filtered through a primary filter to remove large dust particles in the airflow. After pre-treatment, the air is further filtered through a medium efficiency filter to provide sufficient protection for the filter. Under the pressure provided by the centrifugal fan, the filter is used to achieve cleanliness requirements. The formation of relative negative pressure between the operating area and the external environment ensures that dust in this area will not spread outdoors, thus protecting the external environment.