Dust collectors are divided into the following five categories according to their principle of action:
(1) Mechanical force dust collectors include gravity dust collectors, inertial dust collectors, centrifugal dust collectors, and the like.
(2) Washing type dust remover includes water bath type dust collector, foam type dust collector, venturi tube dust collector, water film type dust collector and the like.
(3) Filter type dust collector includes bag filter and granular layer dust collector, etc.
(4) Electrostatic precipitator.
(5) Magnetic dust collector.
Nowadays, more used in the industry are electric bag composite dust collectors and bag filters. (fabric filter)