SE7910025L - KIT AND DEVICE FOR DRYLY DRYING A CONTINUOUS CONTINUOUS MATERIAL MATCH OF CELLULOSA FIBER - Google Patents

KIT AND DEVICE FOR DRYLY DRYING A CONTINUOUS CONTINUOUS MATERIAL MATCH OF CELLULOSA FIBER

Info

Publication number
SE7910025L
SE7910025L SE7910025A SE7910025A SE7910025L SE 7910025 L SE7910025 L SE 7910025L SE 7910025 A SE7910025 A SE 7910025A SE 7910025 A SE7910025 A SE 7910025A SE 7910025 L SE7910025 L SE 7910025L
Authority
SE
Sweden
Prior art keywords
web
paper
moisture content
continuous
percent
Prior art date
Application number
SE7910025A
Other languages
Unknown language ( )
Swedish (sv)
Inventor
P J Walker
Original Assignee
Midland Ross Corp
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 Midland Ross Corp filed Critical Midland Ross Corp
Publication of SE7910025L publication Critical patent/SE7910025L/en

Links

Classifications

    • 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
    • D21F7/003—Indicating or regulating the moisture content of the layer
    • 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

Landscapes

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

Abstract

In a method and apparatus for the uniform drying of a continuous web, such as a sheet of paper or paperboard, a newly formed web of paper of wet cellulosic fibers and the necessary additives is initially directed through a press section where excessive water is squeezed from the web to reduce its moisture content to about 50-80 percent, by weight, for subsequent passage through a dryer section wherein the moisture content is further reduced to between 3 and 15 percent, depending on the quality of the paper being processed. The moisture content profile of the nearly dry web of paper is constantly monitored adjacent the discharge end of the dryer section for dry streaks which occasionally occur in the web. Moisture is added to the web upstream from and longitudinally aligned with the dry streaks when the web is relatively wet and has a moisture content of at least 25 percent to eliminate further dry streaks.
SE7910025A 1978-12-21 1979-12-05 KIT AND DEVICE FOR DRYLY DRYING A CONTINUOUS CONTINUOUS MATERIAL MATCH OF CELLULOSA FIBER SE7910025L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97185478A 1978-12-21 1978-12-21

Publications (1)

Publication Number Publication Date
SE7910025L true SE7910025L (en) 1980-06-22

Family

ID=25518874

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7910025A SE7910025L (en) 1978-12-21 1979-12-05 KIT AND DEVICE FOR DRYLY DRYING A CONTINUOUS CONTINUOUS MATERIAL MATCH OF CELLULOSA FIBER

Country Status (8)

Country Link
JP (1) JPS5593897A (en)
AU (1) AU5360779A (en)
BR (1) BR7908310A (en)
CA (1) CA1116844A (en)
FI (1) FI793920A (en)
FR (1) FR2444749A1 (en)
GB (1) GB2039014A (en)
SE (1) SE7910025L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PH25720A (en) * 1982-09-30 1991-09-18 Beloit Corp Method, apparatus for controlling the moisture profile of a paper web in paper-making machine
FI91900C (en) * 1990-12-17 1994-08-25 Valmet Paper Machinery Inc Process at the drying portion of a paper machine to reduce the curvature tendency and drying portion of the paper intended to carry out the procedure
DE19901400A1 (en) 1999-01-15 2000-07-20 Voith Sulzer Papiertech Patent Drying and smoothing unit for fibrous webs
DE19903581A1 (en) * 1999-01-29 2000-08-03 Voith Sulzer Papiertech Patent Paper web drying and polishing stations moistens the web surface by pressure forces at the end of or after the drying station before it passes through the roller press gaps of the calender to set the web moisture content
FI109213B (en) 2000-11-24 2002-06-14 Metso Paper Inc Method and apparatus for controlling the profile of the moisture content or coating amount of the paper web

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948721A (en) * 1974-09-03 1976-04-06 Winheim Karl H Method and apparatus for wetting the web in paper making machines

Also Published As

Publication number Publication date
JPS5593897A (en) 1980-07-16
CA1116844A (en) 1982-01-26
FR2444749B1 (en) 1982-11-26
FR2444749A1 (en) 1980-07-18
AU5360779A (en) 1980-08-07
FI793920A (en) 1980-06-22
GB2039014A (en) 1980-07-30
BR7908310A (en) 1980-07-22

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