WO1999057366A3 - Headbox with turbulence channels - Google Patents

Headbox with turbulence channels Download PDF

Info

Publication number
WO1999057366A3
WO1999057366A3 PCT/DE1999/001226 DE9901226W WO9957366A3 WO 1999057366 A3 WO1999057366 A3 WO 1999057366A3 DE 9901226 W DE9901226 W DE 9901226W WO 9957366 A3 WO9957366 A3 WO 9957366A3
Authority
WO
WIPO (PCT)
Prior art keywords
flow
headbox
turbulence
turbulence channels
pulp suspension
Prior art date
Application number
PCT/DE1999/001226
Other languages
German (de)
French (fr)
Other versions
WO1999057366A2 (en
Inventor
Robert Troendle
Erwin Binder
Original Assignee
Voith Sulzer Papiertech Patent
Robert Troendle
Erwin Binder
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE29823401U external-priority patent/DE29823401U1/en
Priority claimed from DE19911181A external-priority patent/DE19911181A1/en
Application filed by Voith Sulzer Papiertech Patent, Robert Troendle, Erwin Binder filed Critical Voith Sulzer Papiertech Patent
Publication of WO1999057366A2 publication Critical patent/WO1999057366A2/en
Publication of WO1999057366A3 publication Critical patent/WO1999057366A3/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/024—Details of the feed chamber
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/02—Head boxes of Fourdrinier machines
    • D21F1/026—Details of the turbulence section

Abstract

The invention relates to a headbox for a paper machine, comprising a plurality of turbulence channels (1, 2) extending between a pulp suspension feeder and a stock flow nozzle, which are fitted with rotating walls contacting the suspension and guiding a pulp suspension flow containing fibers towards the stock flow nozzle in the direction of the main flow along their longitudinal axis. The invention is characterized in that at least one medium (4, 6) for reducing or eliminating the rotational flow components is located in at least one turbulence channel (1, 2) in the vicinity of the direction of the main flow.
PCT/DE1999/001226 1998-04-30 1999-04-23 Headbox with turbulence channels WO1999057366A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE29823401U DE29823401U1 (en) 1998-04-30 1998-04-30 Swirl breaker
DE29823401.7 1998-04-30
DE19911181.2 1999-03-12
DE19911181A DE19911181A1 (en) 1998-04-30 1999-03-12 Headbox with turbulence channels

Publications (2)

Publication Number Publication Date
WO1999057366A2 WO1999057366A2 (en) 1999-11-11
WO1999057366A3 true WO1999057366A3 (en) 1999-12-29

Family

ID=26052342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1999/001226 WO1999057366A2 (en) 1998-04-30 1999-04-23 Headbox with turbulence channels

Country Status (1)

Country Link
WO (1) WO1999057366A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104116A (en) * 1976-08-20 1978-08-01 Valmet Oy Headbox flow controls
EP0769586A2 (en) * 1995-10-20 1997-04-23 Institute of Paper Science and Technology, Inc. Methods and apparatus to enhance paper and board forming qualities

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104116A (en) * 1976-08-20 1978-08-01 Valmet Oy Headbox flow controls
EP0769586A2 (en) * 1995-10-20 1997-04-23 Institute of Paper Science and Technology, Inc. Methods and apparatus to enhance paper and board forming qualities
US5792321A (en) * 1995-10-20 1998-08-11 Institute Of Paper Science & Technology, Inc. Methods and apparatus to enhance paper and board forming qualities

Also Published As

Publication number Publication date
WO1999057366A2 (en) 1999-11-11

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