The invention discloses a
rotational flow plate dust and mist eliminator capable of automatically forming film. The
rotational flow plate dust and mist eliminator comprises an outer
barrel, a screen
barrel and a central supporting rod which are sequentially arranged at intervals in a sleeving manner from outside to inside, the lower
peripheral wall of the screen cylinder is a non-porous section, and the upper
peripheral wall of the screen cylinder is a screen hole section; a cavity between the outer
barrel and the screen barrel forms a
flue gas dead zone; a plurality of stages of upper
rotational flow plates are arranged at the upper part in the
sieve pore section at intervals; and a lower rotational flow plate is arranged in the outer cylinder body and below the
sieve pore section. A
smoke flowing area is separated from an outer barrel wall liquid film through the screen barrel, the problem of secondary carrying is fundamentally solved,
fog drops flow back to the surface of the lower rotational flow plate through the liquid collecting tank, a stable liquid film is formed, and therefore the purpose of saving water is achieved without additionally arranging a water spraying device. Fogdrops separated from
flue gas are gathered on the inner wall of the outer cylinder, can converge to the water collecting tank under the action of gravity and then flow back to the surface of the lower rotational flow plate, and a continuous and stable liquid film, namely a self-formed film, is formed on the blade surface of the lower rotational flow plate. The liquid film can adsorb
dust particles in
flue gas, and the dust removal efficiency is improved.