EP0892108A3 - Headbox - Google Patents
Headbox Download PDFInfo
- Publication number
- EP0892108A3 EP0892108A3 EP98108652A EP98108652A EP0892108A3 EP 0892108 A3 EP0892108 A3 EP 0892108A3 EP 98108652 A EP98108652 A EP 98108652A EP 98108652 A EP98108652 A EP 98108652A EP 0892108 A3 EP0892108 A3 EP 0892108A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine
- stock suspension
- headbox
- turbulence
- hydr
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
-
- 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
Landscapes
- Paper (AREA)
- Nozzles (AREA)
Abstract
Die Erfindung betrifft einen Stoffauflauf (1) einer Papiermaschine oder einer Kartonmaschine mit mindestens einem Mittel (2) zur Zuführung von Stoffsuspension über die Maschinenbreite verteilt, mindestens einem Mittel (3) zur Erzeugung einer Turbulenz, mindestens ein Mittel (4) zum maschinenbreiten Auftragen der Stoffsuspension auf ein Sieb oder zum Einbringen der Stoffsuspension zwischen zwei Siebe.The invention relates to a headbox (1) Paper machine or a board machine with at least one Means (2) for feeding stock suspension over the Machine width distributed, at least one means (3) for Generation of turbulence, at least one means (4) for machine-wide application of the stock suspension to a sieve or to insert the stock suspension between two screens.
Die Erfindung ist dadurch gekennzeichnet, daß mindestens eines der Mittel oder das Mittel (3) zur Erzeugung einer Turbulenz einen hydraulischen Durchmesser dhydr im Endbereich aufweist, der kleiner als 17 mm beträgt. The invention is characterized in that at least one of the means or means (3) for generating turbulence has a hydraulic diameter d hydr in the end region which is less than 17 mm.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19728599 | 1997-07-04 | ||
DE19728599A DE19728599A1 (en) | 1997-07-04 | 1997-07-04 | Headbox |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0892108A2 EP0892108A2 (en) | 1999-01-20 |
EP0892108A3 true EP0892108A3 (en) | 1999-06-23 |
EP0892108B1 EP0892108B1 (en) | 2003-10-08 |
Family
ID=7834643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98108652A Expired - Lifetime EP0892108B1 (en) | 1997-07-04 | 1998-05-13 | Headbox |
Country Status (3)
Country | Link |
---|---|
US (1) | US6099692A (en) |
EP (1) | EP0892108B1 (en) |
DE (2) | DE19728599A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10335752A1 (en) * | 2003-08-05 | 2005-03-03 | Voith Paper Patent Gmbh | Headbox for production of paper or carton web has horizontal cell lines with vortex generators discharging through the jet via parallel horizontal arrays of slats |
US8075737B2 (en) * | 2006-01-30 | 2011-12-13 | Paperchine Inc. | Headbox apparatus for a papermaking machine |
US7897016B2 (en) * | 2006-01-30 | 2011-03-01 | James Leroy Ewald | Headbox apparatus for a papermaking machine |
US7794570B2 (en) * | 2006-01-30 | 2010-09-14 | Paperchine Inc. | Headbox apparatus for a papermaking machine |
JP4913510B2 (en) * | 2006-09-05 | 2012-04-11 | 横河電機株式会社 | Simulation method, fiber orientation control method, and fiber orientation control device |
US20120312487A1 (en) | 2011-05-11 | 2012-12-13 | Hollingsworth & Vose Company | Systems and methods for making fiber webs |
US8758559B2 (en) | 2011-07-27 | 2014-06-24 | Hollingsworth & Vose Company | Systems and methods for making fiber webs |
WO2013016515A1 (en) | 2011-07-27 | 2013-01-31 | Hollingsworth & Vose Company | Systems and methods for making fiber webs |
US8770649B2 (en) | 2011-10-29 | 2014-07-08 | Alexander Praskovsky | Device, assembly, and system for reducing aerodynamic drag |
US9422665B2 (en) | 2012-09-04 | 2016-08-23 | Paperchine Inc. | Headbox apparatus |
DE102015209389A1 (en) * | 2015-05-22 | 2016-11-24 | Voith Patent Gmbh | Method and device for producing highly filled papers |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1213137A (en) * | 1966-11-29 | 1970-11-18 | Beloit Corp | Method of and apparatus for handling fluid slurries |
DE1941424A1 (en) * | 1969-08-14 | 1971-02-25 | Escher Wyss Gmbh | Headbox for a paper machine or the like. |
US4070238A (en) * | 1976-08-16 | 1978-01-24 | Aktiebolaget Karlstads Mekaniska Werkstad | Headbox for delivering a jet of well dispersed fibrous stock |
EP0300288A1 (en) * | 1987-07-18 | 1989-01-25 | Neue Bruderhaus Maschinenfabrik GmbH | Trailing member for a papermaking machine headbox |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3098787A (en) * | 1960-07-21 | 1963-07-23 | Time Inc | Flow system |
FI56987C (en) * | 1976-08-20 | 1980-05-12 | Valmet Oy | SYSTEM FOER STABILIZERING AV MASSASUSPENSIONSTROEMMEN I EN HYDRAULISK INLOPPSLAODA I EN PAPPERSMASKIN |
SE422091B (en) * | 1978-03-23 | 1982-02-15 | Karlstad Mekaniska Ab | INPUT CABLE FOR A PAPER MACHINE |
DE3039463C2 (en) * | 1980-10-18 | 1986-03-20 | Neue Bruderhaus Maschinenfabrik GmbH, 7410 Reutlingen | Headbox for a paper machine |
US4687548A (en) * | 1984-10-31 | 1987-08-18 | Valmet Oy | Method and apparatus for controlling distortion of fibre orientation in a paper web |
FI82085C (en) * | 1989-06-02 | 1991-01-10 | Valmet Paper Machinery Inc | Turbulence generator in the inlet box of a paper machine |
DE4211291C3 (en) * | 1992-04-03 | 2001-06-07 | Voith Gmbh J M | Mixing device and method for mixing two liquids at a constant mixture volume flow to supply the headbox of a paper machine |
DE9304736U1 (en) * | 1993-03-30 | 1993-05-19 | Sulzer-Escher Wyss GmbH, 7980 Ravensburg | Turbulence generator for a headbox of a paper machine |
DE4437180C2 (en) * | 1994-10-18 | 1997-03-20 | Voith Sulzer Papiermasch Gmbh | Process for producing a headbox and intermediate part of a headbox of a paper or board machine |
-
1997
- 1997-07-04 DE DE19728599A patent/DE19728599A1/en not_active Withdrawn
-
1998
- 1998-05-13 DE DE59809844T patent/DE59809844D1/en not_active Expired - Lifetime
- 1998-05-13 EP EP98108652A patent/EP0892108B1/en not_active Expired - Lifetime
- 1998-07-06 US US09/110,915 patent/US6099692A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1213137A (en) * | 1966-11-29 | 1970-11-18 | Beloit Corp | Method of and apparatus for handling fluid slurries |
DE1941424A1 (en) * | 1969-08-14 | 1971-02-25 | Escher Wyss Gmbh | Headbox for a paper machine or the like. |
US4070238A (en) * | 1976-08-16 | 1978-01-24 | Aktiebolaget Karlstads Mekaniska Werkstad | Headbox for delivering a jet of well dispersed fibrous stock |
EP0300288A1 (en) * | 1987-07-18 | 1989-01-25 | Neue Bruderhaus Maschinenfabrik GmbH | Trailing member for a papermaking machine headbox |
Also Published As
Publication number | Publication date |
---|---|
US6099692A (en) | 2000-08-08 |
EP0892108B1 (en) | 2003-10-08 |
DE59809844D1 (en) | 2003-11-13 |
EP0892108A2 (en) | 1999-01-20 |
DE19728599A1 (en) | 1999-01-07 |
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