Patent ID: 8034192

Claim:
A dust collector comprising: an air inlet passage including an opening to receive dust laden air and a throat proximate to an outlet of the inlet, wherein the opening to the inlet passage has a width approximately equal to a width of a paper web in a paper making machine and the throat has a cross-sectional area smaller than a cross-sectional area of the opening; an inlet guide vane passage extending from the throat to a central vortex chamber and defined by an outer wall of a volute and an internal guide vane of the volute, wherein the outer wall and internal guide vane are formed of a continuous sheet; a water injector mounted in the outer wall and injecting water into the passage or into the central vortex chamber; the central vortex chamber defined by the volute and coaxial with the volute; and a discharge outlet of the central vortex chamber connectable to a water and air separator and a source of air suction.