FI981897A - Drying portion for a fiber web dewatering - Google Patents

Drying portion for a fiber web dewatering Download PDF

Info

Publication number
FI981897A
FI981897A FI981897A FI981897A FI981897A FI 981897 A FI981897 A FI 981897A FI 981897 A FI981897 A FI 981897A FI 981897 A FI981897 A FI 981897A FI 981897 A FI981897 A FI 981897A
Authority
FI
Finland
Prior art keywords
drying
input nip
web
order
fibrous web
Prior art date
Application number
FI981897A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI981897A0 (en
FI108465B (en
Inventor
Carl-Gustav Berg
Original Assignee
Equitor Oy
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 Equitor Oy filed Critical Equitor Oy
Priority to FI981897A priority Critical patent/FI108465B/en
Publication of FI981897A0 publication Critical patent/FI981897A0/en
Priority to EP99660137A priority patent/EP0984096B1/en
Priority to DE69922101T priority patent/DE69922101T2/en
Priority to AT99660137T priority patent/ATE283389T1/en
Publication of FI981897A publication Critical patent/FI981897A/en
Application granted granted Critical
Publication of FI108465B publication Critical patent/FI108465B/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
    • D21F5/001—Drying webs by radiant heating
    • 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
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
    • 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
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders
    • D21F5/048—Drying on cylinders on two or more drying cylinders in combination with other heating means

Landscapes

  • Paper (AREA)
  • Drying Of Solid Materials (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

The invention relates to a method and a drying section for drying a fibrous web (1), the drying section preferably being intended for drying paper web, pulp web and board web in paper machines and comprising a plurality of drying cylinders (3) in which an input nip (6) is formed at a moving fibrous web. In order to considerably increase the speed of a paper machine or another machine and to be able to reduce the number of drying cylinders and to be able to save energy costs during the drying process, the drying section is characterized by a combination intended for a more rapid drying comprising moisture supply means (8) arranged at the input nip (6) using a drying cylinder (3) in order to add water vapour or damp air into the input nip (6) of the drying cylinder (3), and a heating means (7) based on heating by radiation with a wavelength that activates water molecules and are arranged at the input nip (6) of the drying cylinder (3) in order to increase the surface temperature of the fibrous web (1) at the input nip. <IMAGE>
FI981897A 1998-09-04 1998-09-04 Procedure and drying area for dewatering of a fiber web FI108465B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI981897A FI108465B (en) 1998-09-04 1998-09-04 Procedure and drying area for dewatering of a fiber web
EP99660137A EP0984096B1 (en) 1998-09-04 1999-09-03 Method and drying section for drying a fibrous web
DE69922101T DE69922101T2 (en) 1998-09-04 1999-09-03 Method and drying section for drying a fibrous web
AT99660137T ATE283389T1 (en) 1998-09-04 1999-09-03 METHOD AND DRYING PART FOR DRYING A FIBER WEB

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI981897A FI108465B (en) 1998-09-04 1998-09-04 Procedure and drying area for dewatering of a fiber web
FI981897 1998-09-04

Publications (3)

Publication Number Publication Date
FI981897A0 FI981897A0 (en) 1998-09-04
FI981897A true FI981897A (en) 2000-03-05
FI108465B FI108465B (en) 2002-01-31

Family

ID=8552421

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981897A FI108465B (en) 1998-09-04 1998-09-04 Procedure and drying area for dewatering of a fiber web

Country Status (4)

Country Link
EP (1) EP0984096B1 (en)
AT (1) ATE283389T1 (en)
DE (1) DE69922101T2 (en)
FI (1) FI108465B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204698A1 (en) * 2002-02-06 2003-08-07 Voith Paper Patent Gmbh Wet paper web separated from smooth rotating drum by inwards lateral motion of air into gusset between drum and paper
CN102677519B (en) * 2011-03-11 2014-11-05 河南江河纸业股份有限公司 Solar environment-friendly drying section

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378207A (en) * 1979-11-16 1983-03-29 Smith Thomas M Infra-red treatment
AT404849B (en) * 1996-11-04 1999-03-25 Andritz Patentverwaltung METHOD AND DEVICE FOR WARMING UP A FIBER web

Also Published As

Publication number Publication date
FI981897A0 (en) 1998-09-04
EP0984096A1 (en) 2000-03-08
FI108465B (en) 2002-01-31
ATE283389T1 (en) 2004-12-15
DE69922101D1 (en) 2004-12-30
DE69922101T2 (en) 2005-12-01
EP0984096B1 (en) 2004-11-24

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