Dilution control device for a wet end of a paper-making machine

Details Dilution control device for a wet end of a paper-making machine Dilution control device for a wet end of a paper-making machine

1998-03-25

2000-07-04

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162258, D21F 108

Patent

active

060833513

ABSTRACT:
A dilution control device interconnects a tapered header with a turbulence generator in a paper-making machine. The turbulence generator includes a substantially planar inlet surface and a plurality of fluid passages, with each fluid passage having an inlet at the inlet surface. The tapered header includes a header plate with a plurality of outlets therein, with each outlet being associated with at least one inlet of the turbulence generator. A dilution module block is positioned between and interconnects the header plate with the inlet surface of the turbulence generator. The dilution module block includes a plurality of through holes and a plurality of feed channels. Each through hole interconnects an outlet of the tapered header with at least one inlet of the turbulence generator. Each feed channel is in fluid communication with at least one through hole and is configured for transporting dilution water to a corresponding through hole. A plurality of inserts are disposed within corresponding ones of the through holes. Each insert includes a primary opening and a side entry hole. The primary opening interconnects an outlet of the tapered header with a corresponding inlet of the turbulence generator. The side entry hole interconnects the primary opening with a corresponding feed channel.

REFERENCES:
patent: 4225386 (1980-09-01), Edblom et al.
patent: 5695611 (1997-12-01), Bubik et al.
patent: 5707495 (1998-01-01), Heinzmann et al.
patent: 5795441 (1998-08-01), Lehleiter et al.
patent: 5814191 (1998-09-01), Huovila

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