EP0708203A3 - Device and method for humidifying a moving web material - Google Patents

Device and method for humidifying a moving web material Download PDF

Info

Publication number
EP0708203A3
EP0708203A3 EP95113744A EP95113744A EP0708203A3 EP 0708203 A3 EP0708203 A3 EP 0708203A3 EP 95113744 A EP95113744 A EP 95113744A EP 95113744 A EP95113744 A EP 95113744A EP 0708203 A3 EP0708203 A3 EP 0708203A3
Authority
EP
European Patent Office
Prior art keywords
web
strip
steam
chamber
layer
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
EP95113744A
Other languages
German (de)
French (fr)
Other versions
EP0708203B1 (en
EP0708203A2 (en
Inventor
Stefan Winheim
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.)
VIB Apparatebau GmbH
Original Assignee
VIB Apparatebau 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 VIB Apparatebau GmbH filed Critical VIB Apparatebau GmbH
Publication of EP0708203A2 publication Critical patent/EP0708203A2/en
Publication of EP0708203A3 publication Critical patent/EP0708203A3/en
Application granted granted Critical
Publication of EP0708203B1 publication Critical patent/EP0708203B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G7/00—Damping 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

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

A moistening appts. for a running web of material has a chamber with a surface where steam exits treat the web facing it and a front facing against the web run at the end of the treatment surface. Here, a strip (15), placed before said surface (8), esp. at the chamber front (9) and projecting, at least partially over strip length, to the web over the surface, has an edge (17) facing the oncoming web (2). Also claimed is a process using the appts. where at least one steam jet is directed at the web and where, here, the air layer adhering to the web is at least partially stirred about or stripped off before steam application. Pref. the strip is arranged to have an adjustable spacing between the web and the chamber edge which also is adjustable in a curve across the web. The spacing width (A), following web curvature, is constant over the web breadth and is between 2 and 12 mm. The strip, formed from at least two layers placed together, has slits which travel from the edge opposite the steam-side edge (17), end in holes of dia. greater than slit widths, the slits of one layer being displaced from those of the other. One layer, being heated on the chamber, lies flat and is made from heat-conducting material at least equivalent to copper. The strip has elongated holes to take bolts inserted from the chamber front to attach the two layers at pre-set points where between any two is placed a slit from each layer. The air layer is stripped off just before the gap through which steam is blown. Alternatively the strip is bent at an angle facing against web run at angle, alpha, between 30 and 70 degrees .
EP95113744A 1994-10-19 1995-09-01 Device and method for humidifying a moving web material Expired - Lifetime EP0708203B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4437375 1994-10-19
DE4437375A DE4437375C2 (en) 1994-10-19 1994-10-19 Device and method for moistening a passing web of material

Publications (3)

Publication Number Publication Date
EP0708203A2 EP0708203A2 (en) 1996-04-24
EP0708203A3 true EP0708203A3 (en) 1997-01-15
EP0708203B1 EP0708203B1 (en) 2000-12-20

Family

ID=6531179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113744A Expired - Lifetime EP0708203B1 (en) 1994-10-19 1995-09-01 Device and method for humidifying a moving web material

Country Status (5)

Country Link
US (2) US5778559A (en)
EP (1) EP0708203B1 (en)
AT (1) ATE198223T1 (en)
CA (1) CA2157311C (en)
DE (1) DE4437375C2 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6207020B1 (en) * 1998-05-12 2001-03-27 International Paper Company Method for conditioning paper and paperboard webs
DE19824170A1 (en) * 1998-05-29 1999-12-02 Voith Sulzer Papiertech Patent Device for moistening a material web
TW399116B (en) * 1998-09-11 2000-07-21 Hunter Douglas International Curved building panel
US6264795B1 (en) * 2000-06-21 2001-07-24 Abb, Inc. Supercalendar steam shower
JP3680300B2 (en) * 2001-10-05 2005-08-10 東洋電機株式会社 Heat treatment equipment for synthetic yarn
US6699365B2 (en) * 2001-10-22 2004-03-02 Abb Inc. Method of wetting webs of paper or other hygroscopic material
DE10255716B4 (en) * 2002-11-29 2006-08-31 Voith Paper Patent Gmbh Web treatment device, in particular calender
US7125473B2 (en) * 2003-09-12 2006-10-24 International Paper Company Apparatus and method for conditioning a web on a papermaking machine
DE102004014597B4 (en) * 2004-03-23 2008-02-14 M-Real Oyj Apparatus for treating a paper or board web
DE102008057964A1 (en) * 2008-11-19 2010-05-27 Abb Technology Ag Method for operating a flow measuring device
FI123582B (en) * 2010-04-29 2013-07-31 Metso Paper Inc METHOD AND EQUIPMENT FOR HANDLING THE FIBER
DE102012212111A1 (en) 2012-07-11 2014-01-30 Metso Paper, Inc. Device for moistening moving fiber web, has roller provided with recesses suitable for receiving liquid, where roller is brought in contact indirectly with fiber web, and roller is arranged before treatment gap
US8858213B2 (en) 2013-02-22 2014-10-14 The Procter & Gamble Company Equipment and processes for the application of atomized fluid to a web substrate
US10060062B2 (en) 2013-02-22 2018-08-28 The Procter & Gamble Company Equipment and processes for the application of atomized fluid to a web substrate
EP2876206B2 (en) * 2013-11-21 2023-03-01 Valmet Technologies, Inc. Method for producing fiber webs and production line for producing fiber webs

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242587A (en) * 1964-12-07 1966-03-29 Joseph H Dupasquier Apparatus for concentrating a blanket of dry steam for an extended area on a pulp mat
CA1134187A (en) * 1981-08-05 1982-10-26 Norman F. Dove Piston valve steam distributor
GB2150163A (en) * 1983-11-22 1985-06-26 Myllykoski Oy Moistening paper webs
DE4336271A1 (en) * 1993-10-23 1994-03-03 Voith Gmbh J M Papermaking web blower system - has a barrier in front of jets to fill the space between the web and blower system.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337968A (en) * 1967-08-29 Dryer section pocket ventilation
DE2203973A1 (en) * 1972-01-28 1973-08-09 Erich Pagendarm Strip humification - by condensing humidifying medium on strip eg of paper
US4351700A (en) * 1980-06-23 1982-09-28 Dove Norman F Steam distribution apparatus for the nip of two rolls
US4580355A (en) * 1984-05-23 1986-04-08 Measurex Corporation System for distributing hot gas on a paper web
FI95732C (en) * 1992-01-13 1996-03-11 Valmet Paperikoneet Oy Device in the dryer section of a paper machine
DE9320455U1 (en) * 1993-01-16 1994-08-25 V.I.B. Apparatebau Gmbh, 63477 Maintal Device for increasing the gloss and / or smoothness of a material web

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242587A (en) * 1964-12-07 1966-03-29 Joseph H Dupasquier Apparatus for concentrating a blanket of dry steam for an extended area on a pulp mat
CA1134187A (en) * 1981-08-05 1982-10-26 Norman F. Dove Piston valve steam distributor
GB2150163A (en) * 1983-11-22 1985-06-26 Myllykoski Oy Moistening paper webs
DE4336271A1 (en) * 1993-10-23 1994-03-03 Voith Gmbh J M Papermaking web blower system - has a barrier in front of jets to fill the space between the web and blower system.

Also Published As

Publication number Publication date
CA2157311C (en) 1999-05-11
EP0708203B1 (en) 2000-12-20
ATE198223T1 (en) 2001-01-15
US5946821A (en) 1999-09-07
DE4437375A1 (en) 1996-04-25
EP0708203A2 (en) 1996-04-24
US5778559A (en) 1998-07-14
DE4437375C2 (en) 2000-05-25
CA2157311A1 (en) 1996-04-20

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