ATE551470T1 - HEADBOX OF A MACHINE FOR PRODUCING A FIBER WEB - Google Patents
HEADBOX OF A MACHINE FOR PRODUCING A FIBER WEBInfo
- Publication number
- ATE551470T1 ATE551470T1 AT07112599T AT07112599T ATE551470T1 AT E551470 T1 ATE551470 T1 AT E551470T1 AT 07112599 T AT07112599 T AT 07112599T AT 07112599 T AT07112599 T AT 07112599T AT E551470 T1 ATE551470 T1 AT E551470T1
- Authority
- AT
- Austria
- Prior art keywords
- plates
- nozzle
- longer
- nozzle wall
- former
- Prior art date
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
- D21F1/028—Details of the nozzle section
Landscapes
- Paper (AREA)
Abstract
The nozzle includes a combination of longer plates (11.1, 11.2) and shorter plates (11.3, 11.4). The longer plates are associated with the nozzle wall (5) which includes the aperture plate (13). The longer plates have a length (LL) of 80% - 120% of the length (LD) of the nozzle. At least some plates, preferably all of them, are adjustable in length. Plates have only two different lengths. All plates have an at least locally-textured surface. The nozzle wall (6) which is free of plates, has an adjustable overhang (L) of up to 20 mm. The nozzle wall (6) has an adjustable projection (V) to gap height ratio of preferably 1 : 5. The aperture plate (13) has a main surface (17) in contact with the fibrous suspension, which runs parallel to the inner surface (18) of the associated nozzle wall. A variant of the nozzle design includes a central separating wedge between longer and shorter plates, pointing in the flow direction. The nozzle feeds a gap former between two recirculating, continuous sieve belts in a web-forming and dewatering arrangement. The nozzle wall with the aperture plate is arranged on the same- or the opposite side as the former. The former is a forming roller or a forming shoe, and is complemented by a breast roller.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006033847A DE102006033847A1 (en) | 2006-07-21 | 2006-07-21 | Headbox of a machine for producing a fibrous web |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE551470T1 true ATE551470T1 (en) | 2012-04-15 |
Family
ID=38478213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07112599T ATE551470T1 (en) | 2006-07-21 | 2007-07-17 | HEADBOX OF A MACHINE FOR PRODUCING A FIBER WEB |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1881106B1 (en) |
AT (1) | ATE551470T1 (en) |
DE (1) | DE102006033847A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007036945A1 (en) * | 2007-08-04 | 2009-02-05 | Voith Patent Gmbh | Method for influencing the two-sidedness of the layer orientation and headbox for carrying out the method |
EP2199459A1 (en) * | 2008-12-16 | 2010-06-23 | Voith Patent GmbH | Sheet composition system for a machine for producing a multiple layer sheet of fibrous material |
DE102009000696A1 (en) | 2009-02-06 | 2010-08-12 | Voith Patent Gmbh | Method for producing a multilayer fibrous web and sheet forming apparatus for carrying out the method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29713272U1 (en) * | 1997-07-25 | 1997-11-20 | Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim | Headbox to form a fiber suspension layer |
DE10211178A1 (en) * | 2002-03-14 | 2003-09-25 | Voith Paper Patent Gmbh | Laminated outlet for production of sandwich plaster board or corrugated cardboard has bends in channel sidewalls to jet outlet |
DE10308555A1 (en) | 2003-02-27 | 2004-10-21 | Voith Paper Patent Gmbh | headbox |
DE10318035A1 (en) | 2003-04-19 | 2004-11-04 | Voith Paper Patent Gmbh | Stock inlet, for a multi-layer papermaking machine, has blades to separate the pulp flows with adjustable lips at the outflow gap to prevent the separated flows from intermingling |
DE10324711A1 (en) * | 2003-05-30 | 2004-12-30 | Voith Paper Patent Gmbh | headbox |
DE102004047879A1 (en) * | 2004-10-01 | 2006-04-06 | Voith Paper Patent Gmbh | Multi-layer regulator for production of a fibrous material course, comprises a fibrous material suspension with a nozzle wall and side panels, separating element, lamellas, and an aperture exhibits a affected main face of the suspension |
DE102004000051A1 (en) * | 2004-11-19 | 2006-05-24 | Voith Paper Patent Gmbh | Headbox of a machine for producing a fibrous material web |
-
2006
- 2006-07-21 DE DE102006033847A patent/DE102006033847A1/en not_active Withdrawn
-
2007
- 2007-07-17 AT AT07112599T patent/ATE551470T1/en active
- 2007-07-17 EP EP07112599A patent/EP1881106B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE102006033847A1 (en) | 2008-01-24 |
EP1881106A1 (en) | 2008-01-23 |
EP1881106B1 (en) | 2012-03-28 |
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