Wet dust removal device and dust removal method

The invention discloses a wet dust removal device and a dust removal method, and relates to the technical field of environment-friendly dust removal. Wherein the water film filtering unit is used for performing water film dust removal on flue gas based on a water film; the water bath filtering unit comprises a water bath barrel and filtering assemblies which are vertically arranged, the filtering assemblies comprise the first filtering assembly and the second filtering assembly, and the first filtering assembly is used for conducting inertial dust removal on flue gas subjected to water film dust removal based on inertia; the second filtering assembly is used for performing collision dust removal on the flue gas subjected to inertial dust removal, performing water film dust removal on the flue gas through a water film, performing inertial dust removal on the flue gas subjected to water film dust removal, and finally performing collision dust removal on the flue gas subjected to inertial dust removal, so that t