Flyash is removed from bag filters by a system of?

The removal of fly ash from bag filters is primarily achieved through the use of rappers. Rappers operate by applying a mechanical force to the filter bags, causing them to vibrate or shake. This process dislodges the accumulated fly ash that has collected on the surface of the bags. The dislodged particles then fall into a hopper or collection system for disposal.

Using rappers is particularly effective in maintaining the efficiency and effectiveness of bag filters in dust collection systems. If ash builds up excessively on the bags, it can cause an increase in pressure drop across the filter media, which in turn can lead to reduced airflow and compromised system performance.

While other methods like shakers or vacuums could be associated with cleaning systems, they are less commonly used in the context of removing fly ash from bag filters specifically. Electrostatic precipitators, while effective for some applications, function differently and are not directly related to the mechanical cleaning of bag filters as they use electric charges to remove particles from the air stream.