Stationary fluid mixer with fluid guide surfaces

A stationary fluid mixer in a fluid flow conduit having a flow in the direction of an axis extending centrally of said conduit comprising:

• a plurality of baffle plates secured to a wall of the conduit and obstructing fluid flow from said conduit wall to and toward the center of the conduit, each said baffle plate extending from the wall towards an interior of the conduit, each said baffle plate having a width at an end thereof in the interior of the conduit which is greater than a width of the baffle plate at the point of attachment to the conduit wall, the baffle plates forming an angle relative to a fluid medium flow direction through the conduit of 10.degree. to 45.degree.;
• at least two of said baffle plates disposed at a first cross section of said conduit substantially normal to the direction of flow, said first cross section constituting a first spaced apart plane;
• at least two other of said baffle plates disposed at a second cross section of said conduit substantially normal to the direction of flow, said second cross section constituting a second spaced apart plane from said first cross section;
• said baffles of said first cross section being offset so as to not overlie said baffles of said second cross section when said spaced apart planes are registered one to another in the direction of flow whereby said fluid passing in the direction of flow encounters baffles in staggered relationship when flow through said conduit.