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SE9703751D0 - Plant for drying a web of materials - Google Patents

Plant for drying a web of materials

Info

Publication number
SE9703751D0
SE9703751D0 SE9703751A SE9703751A SE9703751D0 SE 9703751 D0 SE9703751 D0 SE 9703751D0 SE 9703751 A SE9703751 A SE 9703751A SE 9703751 A SE9703751 A SE 9703751A SE 9703751 D0 SE9703751 D0 SE 9703751D0
Authority
SE
Sweden
Prior art keywords
web
housing
entry
drying
exit
Prior art date
Application number
SE9703751A
Other languages
Swedish (sv)
Other versions
SE9703751L (en
SE510707C3 (en
SE510707C2 (en
Inventor
Stefan Gustafsson
Roland Svensson
Original Assignee
Flaekt Ab
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 Flaekt Ab filed Critical Flaekt Ab
Priority to SE9703751A priority Critical patent/SE510707C2/en
Publication of SE9703751D0 publication Critical patent/SE9703751D0/en
Priority to PCT/SE1998/001847 priority patent/WO1999019563A1/en
Priority to AU95630/98A priority patent/AU9563098A/en
Publication of SE9703751L publication Critical patent/SE9703751L/en
Publication of SE510707C3 publication Critical patent/SE510707C3/en
Publication of SE510707C2 publication Critical patent/SE510707C2/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • D21F5/18—Drying webs by hot air
    • D21F5/185—Supporting webs in hot air dryers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/04—Paper-break control devices

Landscapes

  • Drying Of Solid Materials (AREA)
  • Paper (AREA)

Abstract

A plant for drying a web of material (2) has a housing (4), which has an entry (6) and an exit (8) and through which the web is fed from the entry to the exit. The housing (4) contains a plurality of superposed, horizontal drying decks (9) and undriven turning rolls (11, 11', 11''), which are arranged at the ends of the drying decks and over which the web (2) is led to be conveyed in zigzag across the drying decks (9). Undriven input rolls (16, 17) are arranged at the entry (6) of the housing (4), and a driven draw roll (18) is arranged at the exit (8) of the housing (4) to draw the web (2) through the housing. A brake member (26) is arranged to brake, when activated, at least one of those of said undriven rolls (11, 11', 11'', 16, 17) which are arranged closest to the entry (6) of the housing (4), seen along the web (2). A regulating unit controls the activation of the brake member (26). Web break detectors (20, 21) are arranged upstream of the housing (4) and connected to the regulating unit to make the regulating unit, when a web break is detected, activate the brake member (26) to brake the associated roll (11, 11', 11'', 16, 17).
SE9703751A 1997-10-15 1997-10-15 Plant for drying a web of materials SE510707C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9703751A SE510707C2 (en) 1997-10-15 1997-10-15 Plant for drying a web of materials
PCT/SE1998/001847 WO1999019563A1 (en) 1997-10-15 1998-10-14 Plant for drying a material web
AU95630/98A AU9563098A (en) 1997-10-15 1998-10-14 Plant for drying a material web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703751A SE510707C2 (en) 1997-10-15 1997-10-15 Plant for drying a web of materials

Publications (4)

Publication Number Publication Date
SE9703751D0 true SE9703751D0 (en) 1997-10-15
SE9703751L SE9703751L (en) 1999-04-16
SE510707C3 SE510707C3 (en) 1999-04-16
SE510707C2 SE510707C2 (en) 1999-06-14

Family

ID=20408616

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703751A SE510707C2 (en) 1997-10-15 1997-10-15 Plant for drying a web of materials

Country Status (3)

Country Link
AU (1) AU9563098A (en)
SE (1) SE510707C2 (en)
WO (1) WO1999019563A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519197C2 (en) * 2001-06-08 2003-01-28 Flaekt Ab Process and apparatus for cleaning in a plant for drying a web-shaped material
FI118924B (en) 2005-12-05 2008-05-15 Metso Paper Inc Apparatus and method for removing a broken pulp web from a cell dryer
SE535634C2 (en) 2010-11-16 2012-10-23 Andritz Tech & Asset Man Gmbh Cellulose dryer having lower blow boxes and method of drying a web of cellulose pulp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471766A (en) * 1993-03-18 1995-12-05 Valmet Paper Machinery, Inc. Method in contact-free air-drying of a material web as well as a nozzle-blow-box and a pulp dryer that make use of the method

Also Published As

Publication number Publication date
SE9703751L (en) 1999-04-16
WO1999019563A1 (en) 1999-04-22
SE510707C2 (en) 1999-06-14
AU9563098A (en) 1999-05-03

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Legal Events

Date Code Title Description
NUG Patent has lapsed