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METHOD AND APPARATUS FOR SEPARATING PARTICLES FROM PARTICLE-LADEN FLUID

  • US 3,684,093 A
  • Filed: 06/23/1970
  • Issued: 08/15/1972
  • Est. Priority Date: 08/13/1969
  • Status: Expired due to Term
First Claim
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2. An apparatus for separating particles from a particle-laden fluid which comprises:

  • a vessel having a cylindrical portion and a conical portion connecting with one end of said cylindrical portion;

    an inlet conduit having an opening communicating with said cylindrical portion for introducing a flow of particle-laden fluid tangentially along the cylindrical wall of said vessel at one end, so as to establish a primary helical flow of the particle-laden fluid along the axis of said cylindrical portion;

    an outlet conduit having an opening communicating with the tapered end of the conical portion of said vessel for discharging the particles separated from the fluid;

    means for stopping the helical primary flow of fluid being positioned at some point distant from the point of origin of said primary flow so as to create a secondary flow of the fluid in a counter-axial direction and defining an annular opening at said distant point substantially coaxial with said primary flow;

    a cylindrical passage coaxially disposed with said cylindrical vessel being smaller in diameter than said cylindrical vessel for isolating the secondary flow from said primary flow; and

    means for removing at least a portion of any entrained particles in said secondary flow and for transferring said particles directly into said primary flow for further separation and collection comprising a secondary gas supply means being mounted tangentially to said secondary flow cylindrical passage and angularly inclined in the direction of said fluid stop means relative to the axis.

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