FR2424765A1 - Buse pour sechoir a air - Google Patents

Buse pour sechoir a air

Info

Publication number
FR2424765A1
FR2424765A1 FR7911359A FR7911359A FR2424765A1 FR 2424765 A1 FR2424765 A1 FR 2424765A1 FR 7911359 A FR7911359 A FR 7911359A FR 7911359 A FR7911359 A FR 7911359A FR 2424765 A1 FR2424765 A1 FR 2424765A1
Authority
FR
France
Prior art keywords
nozzle
air dryer
flow
upstream
chamber
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.)
Withdrawn
Application number
FR7911359A
Other languages
English (en)
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.)
Valmet Oy
Original Assignee
Valmet 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 Valmet Oy filed Critical Valmet Oy
Publication of FR2424765A1 publication Critical patent/FR2424765A1/fr
Withdrawn legal-status Critical Current

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
    • D21F5/187—Supporting webs in hot air dryers by air jets
    • D21F5/188—Blowing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
    • F26B13/104—Supporting materials without tension, e.g. on or between foraminous belts supported by fluid jets only; Fluid blowing arrangements for flotation dryers, e.g. coanda nozzles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/07—Coanda

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Advancing Webs (AREA)
  • Nozzles (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

BUSE POUR SECHOIR A AIR, A L'AIDE DE LAQUELLE UN FLUX DE GAZ EN DEPRESSION EST DIRIGE SUR UNE FEUILLE, COMPRENANT UNE CHAMBRE SUR UN COTE DE LAQUELLE SE TROUVE UNE OUVERTURE DELIMITEE D'UN COTE PAR UNE PLAQUE DE GUIDAGE DU FLUX ET DE L'AUTRE COTE PAR LA PAROI FRONTALE DE LA CHAMBRE, LAQUELLE SE CONTINUE SOUS FORME D'UNE SURFACE DE GUIDAGE INCURVEE PUIS SOUS FORME D'UNE SECTION DE COUVERCLE. L'OUVERTURE DE BUSE 16 EST SITUEE (DANS LE SENS DE CIRCULATION DU GAZ) EN AMONT DU PLAN C DU BORD D'ENTREE DE LA SURFACE DE GUIDAGE 12D ET LE RAPPORT DE LA LARGEUR W DE L'OUVERTURE DE BUSE AU RAYON DE COURBURE R DE LA SURFACE 12D EST CHOISI DE MANIERE QUE LE FLUX DE GAZ SE SEPARE DE LA SURFACE 12D EN AMONT DU BORD DE SORTIE E DE CELLE-CI. APPLICATION A LA FABRICATION DU PAPIER.
FR7911359A 1978-05-04 1979-05-04 Buse pour sechoir a air Withdrawn FR2424765A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI781375A FI68723C (fi) 1978-05-04 1978-05-04 Dysa foer svaevtork

Publications (1)

Publication Number Publication Date
FR2424765A1 true FR2424765A1 (fr) 1979-11-30

Family

ID=8511678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911359A Withdrawn FR2424765A1 (fr) 1978-05-04 1979-05-04 Buse pour sechoir a air

Country Status (11)

Country Link
US (1) US4247993A (fr)
JP (3) JPS5916631B2 (fr)
BE (1) BE876049A (fr)
CA (1) CA1121153A (fr)
DE (1) DE2917765C2 (fr)
FI (1) FI68723C (fr)
FR (1) FR2424765A1 (fr)
GB (1) GB2025020B (fr)
IT (1) IT7922407A0 (fr)
NL (1) NL7903508A (fr)
SE (1) SE443167B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438613A1 (fr) * 1978-10-12 1980-05-09 Grace W R Ltd
EP0298299A1 (fr) * 1987-07-07 1989-01-11 Hilmar Vits Dispositif pour guider des bandes sans contact direct

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI60261C (fi) * 1980-03-28 1981-12-10 Valmet Oy Oevertrycksmunstycke foer behandling av banor
US4414757A (en) * 1981-10-07 1983-11-15 Overly, Incorporated Web dryer nozzle assembly
FI63800C (fi) * 1982-04-27 1983-08-10 Valmet Oy Foerfarande och anordning vid skaerningen av spetsen i en pappersbana
US4551203A (en) * 1984-04-02 1985-11-05 Valmet Oy Method and arrangement for guiding a paper web from the press section to the drying section
US4601116A (en) * 1985-05-16 1986-07-22 Worldwide Converting Machinery, Inc. Coanda nozzle dryer
US4718178A (en) * 1985-11-29 1988-01-12 Whipple Rodger E Gas nozzle assembly
US5172844A (en) * 1989-01-21 1992-12-22 Bandfabrik Breitenbach Ag Method and apparatus for reducing a transporting strain on elongated material passing through a treatment chamber
FI96125C (fi) * 1991-09-05 1996-05-10 Valmet Paper Machinery Inc Rainojen käsittelyyn tarkoitettu alipainesuutinjärjestely ja menetelmä rainojen käsittelyyn tarkoitetussa alipainesuutinjärjestelyssä
US5466298A (en) * 1993-10-01 1995-11-14 James River Paper Company, Inc. Web cleaning method
US5590480A (en) * 1994-12-06 1997-01-07 W. R. Grace & Co.-Conn. combination air bar and hole bar flotation dryer
CA2190563C (fr) * 1996-11-18 1999-10-26 Ralph Mancini Dispositif et methode pour stabiliser les feuilles entre la section presse et la section sechoir d'une machine a fabriquer le papier
US6260287B1 (en) * 1997-08-08 2001-07-17 Peter Walker Wet web stability method and apparatus
US5991964A (en) * 1998-06-22 1999-11-30 Kimberly-Clark Worldwide, Inc. Web cleaner
US6484418B1 (en) 2000-11-06 2002-11-26 Kimberly-Clark Worldwide, Inc. Yankee drying hood and method comprising angled impingement nozzles
GB0129740D0 (en) * 2001-12-12 2002-01-30 Falmer Investment Ltd Improvements in and relating to processing fabric
DE102005060715A1 (de) * 2005-12-19 2007-06-21 Siemens Ag Papiermaschine mit einer oder mehreren Ventilvorrichtungen
US9945067B1 (en) * 2016-10-17 2018-04-17 Illinois Tool Works Inc. Airfoil apparatus for a system having a controlled internal environment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587177A (en) * 1969-04-21 1971-06-28 Overly Inc Airfoil nozzle
US3650043A (en) * 1970-04-03 1972-03-21 Overly Inc Web stabilizer
US3711960A (en) * 1971-08-26 1973-01-23 Overly Inc Web dryer
US3873013A (en) * 1973-10-04 1975-03-25 Tec Systems High velocity web floating air bar having center exhaust means
US3982327A (en) * 1975-05-01 1976-09-28 Midland-Ross Corporation Air-dispensing web-floating apparatus
JPS526781A (en) * 1975-07-07 1977-01-19 Bridgestone Tire Co Ltd Metal mold for vulcanizing and molding tire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438613A1 (fr) * 1978-10-12 1980-05-09 Grace W R Ltd
EP0298299A1 (fr) * 1987-07-07 1989-01-11 Hilmar Vits Dispositif pour guider des bandes sans contact direct

Also Published As

Publication number Publication date
GB2025020A (en) 1980-01-16
FI68723B (fi) 1985-06-28
FI781375A (fi) 1979-11-05
SE7903836L (sv) 1979-11-05
US4247993A (en) 1981-02-03
GB2025020B (en) 1982-12-01
FI68723C (fi) 1985-10-10
JPS54152600A (en) 1979-11-30
CA1121153A (fr) 1982-04-06
JPS54149970A (en) 1979-11-24
SE443167B (sv) 1986-02-17
DE2917765A1 (de) 1979-11-08
DE2917765C2 (de) 1982-07-15
JPS5916631B2 (ja) 1984-04-17
BE876049A (fr) 1979-09-03
IT7922407A0 (it) 1979-05-04
NL7903508A (nl) 1979-11-06
JPS6314991U (fr) 1988-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse