Patent ID: 6083351
Filing Date: 2000-07-04
Classification: D21F

Abstract:
A wet end of a paper-making machine, comprising:a headbox including a chamber and a discharge nozzle;a turbulence generator connected with said headbox, said turbulence generator including a substantially planar inlet surface and a plurality of fluid passages, said plurality of fluid passages disposed substantially parallel to each other, each said fluid passage being in fluid communication with said headbox chamber and having an inlet at said inlet surface;a tapered header for transporting headbox consistency fiber stock;a dilution module block positioned between and interconnecting said tapered header with said inlet surface of said turbulence generator, said dilution module block including:a plurality of through holes, each said through hole interconnecting said tapered header with at least one said inlet of said turbulence generator;a plurality of feed channels, each said feed channel being in fluid communication with at least one said through hole and configured for transporting dilution water to said corresponding at least one through hole; anda plurality of inserts, each said insert having a fixed position relative to and within a corresponding said through hole, each said insert including a primary opening and a side entry hole, said primary opening interconnecting said tapered header with a corresponding said inlet of said turbulence generator, said side entry hole interconnecting said primary opening with a corresponding said feed channel, each said insert having an axial face abutting a corresponding said inlet of said turbulence generator; andat least one seal, each said seal surrounding at least a portion of a corresponding said axial face and being compressed between a corresponding said insert and a corresponding said inlet of said turbulence generator.