DE502004010655D1 - Process for treating a fibrous web - Google Patents

Process for treating a fibrous web

Info

Publication number
DE502004010655D1
DE502004010655D1 DE502004010655T DE502004010655T DE502004010655D1 DE 502004010655 D1 DE502004010655 D1 DE 502004010655D1 DE 502004010655 T DE502004010655 T DE 502004010655T DE 502004010655 T DE502004010655 T DE 502004010655T DE 502004010655 D1 DE502004010655 D1 DE 502004010655D1
Authority
DE
Germany
Prior art keywords
web
gap
drum
treating
fibrous web
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.)
Expired - Lifetime
Application number
DE502004010655T
Other languages
German (de)
Inventor
Harald Hess
Ruediger Kurtz
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 DE502004010655D1 publication Critical patent/DE502004010655D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0272—Wet presses 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
    • D21F5/042—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
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/008—Steam showers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus

Landscapes

  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

In a process to dewater a moving web of paper or carton, the web runs at high speed with a dewatering felt between two contra-rotating drums (1, 2) forming a nip gap (N). The web then follows the contour of one drum (2) to a lift-off point (6) at which a gap (5) is formed between the web (3) and drum (2). Hot steam is injected into the gap, promoting separation of web from drum. The same steam separation process may also be used at a web drying or glazing station. The quantity of hot steam discharged into the gap is regulated.
DE502004010655T 2003-03-19 2004-03-15 Process for treating a fibrous web Expired - Lifetime DE502004010655D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10311993A DE10311993A1 (en) 2003-03-19 2003-03-19 Process for treating a fibrous web

Publications (1)

Publication Number Publication Date
DE502004010655D1 true DE502004010655D1 (en) 2010-03-11

Family

ID=32797954

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10311993A Withdrawn DE10311993A1 (en) 2003-03-19 2003-03-19 Process for treating a fibrous web
DE502004010655T Expired - Lifetime DE502004010655D1 (en) 2003-03-19 2004-03-15 Process for treating a fibrous web

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10311993A Withdrawn DE10311993A1 (en) 2003-03-19 2003-03-19 Process for treating a fibrous web

Country Status (3)

Country Link
EP (1) EP1460171B1 (en)
AT (1) ATE455900T1 (en)
DE (2) DE10311993A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1605067A (en) * 1926-11-02 Paper-making machine
US1595478A (en) * 1920-05-25 1926-08-10 Minton Ogden Method of stripping and feeding paper and apparatus
US5393383A (en) * 1991-12-19 1995-02-28 Valmet Paper Machinery Inc. Compact press section with closed draw of the web in a paper machine
DE4303315A1 (en) * 1993-02-05 1993-06-24 Voith Gmbh J M Paper-making roller scraper - acts together with moist air to reduce blade wear
DE19731100A1 (en) * 1997-07-19 1999-01-21 Voith Sulzer Papiermasch Gmbh Web adhesion adjustment
DE19741517A1 (en) 1997-09-20 1999-03-25 Voith Sulzer Papiermasch Gmbh Process for reducing the adhesion of a moist fibrous web to a rotating roller
DE19800955A1 (en) 1998-01-13 1999-07-15 Voith Sulzer Papiertech Patent Device for applying a liquid or pasty application medium to a running material web, in particular made of paper or cardboard
FI113883B (en) * 1999-08-12 2004-06-30 Runtech Systems Oy Methods and devices for processing a web of material and for controlling the behavior of the web of material
DE10024296B4 (en) * 2000-05-17 2008-11-20 Voith Patent Gmbh Machine for producing a material web
DE10157690C1 (en) * 2001-11-24 2003-02-20 Voith Paper Patent Gmbh Calender assembly with a wide nip, to polish the surfaces of paper/cardboard webs, has a steam jet aligned at the web on leaving the nip to increased the polished surface effects

Also Published As

Publication number Publication date
ATE455900T1 (en) 2010-02-15
DE10311993A1 (en) 2004-10-14
EP1460171A3 (en) 2005-05-25
EP1460171B1 (en) 2010-01-20
EP1460171A2 (en) 2004-09-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition