EP2017384A3 - Inclined screen former of a machine for producing a sheet of fibrous material from at least one fibrous suspension - Google Patents

Inclined screen former of a machine for producing a sheet of fibrous material from at least one fibrous suspension Download PDF

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Publication number
EP2017384A3
EP2017384A3 EP08159838A EP08159838A EP2017384A3 EP 2017384 A3 EP2017384 A3 EP 2017384A3 EP 08159838 A EP08159838 A EP 08159838A EP 08159838 A EP08159838 A EP 08159838A EP 2017384 A3 EP2017384 A3 EP 2017384A3
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EP
European Patent Office
Prior art keywords
sieve
suction
pulp suspension
fibrous
screen
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
Application number
EP08159838A
Other languages
German (de)
French (fr)
Other versions
EP2017384A2 (en
EP2017384B1 (en
Inventor
Klaus Dr. Afflerbach
Rolf Butzküven
Rudi Ühlein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2017384A2 publication Critical patent/EP2017384A2/en
Publication of EP2017384A3 publication Critical patent/EP2017384A3/en
Application granted granted Critical
Publication of EP2017384B1 publication Critical patent/EP2017384B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/02—Complete machines for making continuous webs of paper of the Fourdrinier type
    • 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
    • D21F1/48—Suction apparatus
    • D21F1/52—Suction boxes without rolls
    • 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
    • D21F1/48—Suction apparatus
    • D21F1/52—Suction boxes without rolls
    • D21F1/523—Covers thereof

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  • Paper (AREA)

Abstract

Die Erfindung betrifft einen Schrägsiebformer (1) einer Maschine zur Herstellung einer Faserstoffbahn (2), insbesondere einer Langfaserpapier- oder Nassvliesbahn, aus wenigstens einer Faserstoffsuspension (3) mit einem Sieb (4), welches über einen Umfangsbereich (6) einer Brustwalze (5) läuft und anschließend in Sieblaufrichtung (S) zumindest streckenweise unter einem vorzugsweise schrägen Winkel (α) zur Horizontalen (H) verläuft, wobei in diesem vorzugsweise schrägen Streckenabschnitt (7) des Siebs (4) mindestens ein Stoffauflauf (8) die wenigstens eine Faserstoffsuspension (3) oberseitig auf das Sieb (4) aufbringt, wobei unterseitig des Siebs (4) mindestens ein Entwässerungselement (9) zur Entwässerung der mindestens einen auf das Sieb (4) aufgebrachten Faserstoffsuspension (3) angeordnet ist und wobei das als Saugkasten (10) ausgebildete Entwässerungselement (9) zu dem Sieb (4) hin offen ist, um auf das Sieb (4) und die wenigstens eine auf dem Sieb (4) oberseitig aufgebrachte Faserstoffsuspension (3) eine Saugwirkung auszuüben, und mehrere das Sieb (4) berührende und zueinander beabstandete Entwässerungsleisten (11) aufweist, die sich quer zu der Sieblaufrichtung (S) erstrecken und mehrere Saugschlitze (12) begrenzen.The invention relates to an inclined wire former (1) of a machine for producing a fibrous web (2), in particular a long fiber paper or wet nonwoven web, from at least one pulp suspension (3) with a sieve (4), which over a peripheral region (6) of a breast roll (5 ) and then in Sieblaufrichtung (S) at least in sections at a preferably oblique angle (α) to the horizontal (H), wherein in this preferably oblique stretch section (7) of the screen (4) at least one headbox (8) the at least one pulp suspension (3) on the top of the sieve (4), wherein on the underside of the sieve (4) at least one dewatering element (9) for dewatering the at least one on the sieve (4) applied pulp suspension (3) is arranged and wherein the suction box (10 ) formed drainage element (9) to the sieve (4) is open, to the sieve (4) and the at least one on the sieve (4) on the upper side gebra The fibrous pulp suspension (3) has a suction effect, and has a plurality of drainage strips (11), which touch the strainer (4) and are spaced apart from one another, which extend transversely to the strainer direction (S) and delimit a plurality of suction slots (12).

Der erfindungsgemäße Schrägsiebformer (1) ist dadurch gekennzeichnet, dass wenigstens ein Saugschlitz (12) des Saugkastens (10) in den beiden Randzonen (RR, RL) des Siebs (4) mit je einer verschiebbaren Zwischenleiste (18) versehen ist, die jeweils zwischen den beiden benachbarten Entwässerungsleisten (11) dichtend eingepasst ist, wobei die Zwischenleisten (18) eines Saugschlitzes (12) gemeinsam eine Saugzonen-Breite (BZ) bestimmen, die kleiner als die Breite (B4) des Siebs (4) ist.

Figure imgaf001
The Schrägsiebformer (1) according to the invention is characterized in that at least one suction slot (12) of the suction box (10) in the two edge zones (R R , R L ) of the screen (4) is provided with a respective displaceable intermediate strip (18) each between the two adjacent drainage strips (11) is sealingly fitted, wherein the intermediate strips (18) of a suction slot (12) together determine a Saugzonen width (B Z ), which is smaller than the width (B 4 ) of the screen (4) ,
Figure imgaf001
EP20080159838 2007-07-18 2008-07-07 Inclined screen former of a machine for producing a sheet of fibrous material from at least one fibrous suspension Not-in-force EP2017384B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710033395 DE102007033395A1 (en) 2007-07-18 2007-07-18 Schrägsiebformer a machine for producing a fibrous web of at least one pulp suspension

Publications (3)

Publication Number Publication Date
EP2017384A2 EP2017384A2 (en) 2009-01-21
EP2017384A3 true EP2017384A3 (en) 2011-05-18
EP2017384B1 EP2017384B1 (en) 2012-12-05

Family

ID=39865103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080159838 Not-in-force EP2017384B1 (en) 2007-07-18 2008-07-07 Inclined screen former of a machine for producing a sheet of fibrous material from at least one fibrous suspension

Country Status (2)

Country Link
EP (1) EP2017384B1 (en)
DE (1) DE102007033395A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5716378B2 (en) * 2010-12-17 2015-05-13 王子ホールディングス株式会社 Fiber sheet manufacturing equipment
CN103290718B (en) * 2012-02-24 2016-02-10 胡正富 Paper making equipment
DE102015001008A1 (en) 2015-01-28 2016-07-28 Andritz Küsters Gmbh Process and apparatus for the production of wetlaid nonwovens
DE102015005384A1 (en) 2015-04-28 2016-11-03 Andritz Küsters Gmbh Process and apparatus for the production of wetlaid nonwovens
CN110777554B (en) * 2019-10-28 2021-10-26 华南理工大学 Banner quantitative adjusting method based on suction box and inclined net former
CN118581758A (en) * 2024-06-03 2024-09-03 河南逸祥卫生科技有限公司 A wet-laid web forming process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081321A (en) * 1975-11-06 1978-03-28 J. M. Voith Gmbh Movable deckle within headbox outlet
US5076894A (en) * 1990-05-04 1991-12-31 Simmons Holt W Suction box apparatus with composite cover elements mounted in slots on cross braces
DE102004047518A1 (en) * 2004-09-28 2006-03-30 Voith Paper Patent Gmbh Production of fibrous sheet, e.g. long fibre paper or wet fleece, involves processing pulp on an oblique wire former with transverse oscillation of the breast roll, dewatering elements and-or guide rollers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4019593C2 (en) 1990-06-20 1994-01-20 Voith Gmbh J M Headbox for paper machines
DE9317640U1 (en) 1993-11-18 1994-01-27 Dörries GmbH, 52349 Düren Roller shaking device
DE19704730A1 (en) 1997-02-07 1998-08-13 Voith Sulzer Papiermasch Gmbh Shaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081321A (en) * 1975-11-06 1978-03-28 J. M. Voith Gmbh Movable deckle within headbox outlet
US5076894A (en) * 1990-05-04 1991-12-31 Simmons Holt W Suction box apparatus with composite cover elements mounted in slots on cross braces
DE102004047518A1 (en) * 2004-09-28 2006-03-30 Voith Paper Patent Gmbh Production of fibrous sheet, e.g. long fibre paper or wet fleece, involves processing pulp on an oblique wire former with transverse oscillation of the breast roll, dewatering elements and-or guide rollers

Also Published As

Publication number Publication date
EP2017384A2 (en) 2009-01-21
DE102007033395A1 (en) 2009-02-19
EP2017384B1 (en) 2012-12-05

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