×

Device for separating impurities from gases

  • US 3,988,132 A
  • Filed: 02/20/1975
  • Issued: 10/26/1976
  • Est. Priority Date: 01/16/1974
  • Status: Expired due to Term
First Claim
Patent Images

1. Device for separating particles from a gas stream which consists essentially of a cylindrical vessel having a feed pipe connected thereto;

  • an axial discharge pipe connected to and protruding into said vessel, a sleeve located in said vessel around said discharge pipe and spaced therefrom and having fixed thereto helicoidal impeller blade means for causing the gas feed to rotate;

    a guide plate extending between said sleeve and the inner surface of said vessel and positioned adjacent said feed pipe so as to guide the feed toward said helicoidal blade means;

    means located within said vessel and below said blade means to discharge said particles;

    said device further having a plurality of spiral impeller blades extending perpendicularly below and above, and being fixed to, aid helicoidal impeller blade means, such that one vertical edge of each of said spiral blades touches said sleeve along, essentially, a straight vertical line, the other, essentially straight, vertical edge of each spiral blade being located at a distance from the surface of said sleeve which is between 0.33 and 0.90 of the distance between said sleeve and the inner wall of said vessel and that said spiral blades extend to beyond the lower edges of said helicoidal blade means.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×