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SE8304464L - DEVICE FOR DRYING AND MANAGING A COUNTRY - Google Patents

DEVICE FOR DRYING AND MANAGING A COUNTRY

Info

Publication number
SE8304464L
SE8304464L SE8304464A SE8304464A SE8304464L SE 8304464 L SE8304464 L SE 8304464L SE 8304464 A SE8304464 A SE 8304464A SE 8304464 A SE8304464 A SE 8304464A SE 8304464 L SE8304464 L SE 8304464L
Authority
SE
Sweden
Prior art keywords
air
web
front wall
arc
beneath
Prior art date
Application number
SE8304464A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8304464D0 (en
Inventor
D L Reed
M O Rocheleau
Original Assignee
Grace W R & Co
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 Grace W R & Co filed Critical Grace W R & Co
Publication of SE8304464D0 publication Critical patent/SE8304464D0/en
Publication of SE8304464L publication Critical patent/SE8304464L/en

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing webs
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/111—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along a curved path, e.g. fluidised turning bar

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Duct Arrangements (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Paper (AREA)

Abstract

Air bars 12 extending lengthwise parallel to one another are mounted on the front of a plenum chamber 10 with their front walls 28 lying substantially on an arc around which a moving web W is guided. Each air bar 12 has a pair of elongate Coanda nozzle outlets 29, extending along the opposite longitudinal edges of its front wall 28, through which pressurised air from the plenum chamber 10 emerges as streams that converge across the front wall 28 and which support the web W without contact between the web W and the front wall 28. Plates 44 extend between the pairs of adjacent air bars and these plates 44 have their front surfaces on an arc concentric with the arc of the front walls 28 but of smaller radius. An air dam 117 at each end of each plate 44 restricts the flow of air from beneath the web W in the lengthwise direction of the plate 44. Further air dams 45, adjacent each edge of the web W, prevent excessive spillout of pressurised air from beneath the web W. <IMAGE>
SE8304464A 1982-09-07 1983-08-17 DEVICE FOR DRYING AND MANAGING A COUNTRY SE8304464L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41518982A 1982-09-07 1982-09-07

Publications (2)

Publication Number Publication Date
SE8304464D0 SE8304464D0 (en) 1983-08-17
SE8304464L true SE8304464L (en) 1984-03-08

Family

ID=23644721

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304464A SE8304464L (en) 1982-09-07 1983-08-17 DEVICE FOR DRYING AND MANAGING A COUNTRY

Country Status (8)

Country Link
JP (1) JPS5966681A (en)
CA (1) CA1240504A (en)
DE (1) DE3331856C2 (en)
ES (1) ES8406706A1 (en)
FR (1) FR2532732B1 (en)
GB (1) GB2126974B (en)
IT (1) IT1168967B (en)
SE (1) SE8304464L (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901449A (en) * 1988-06-07 1990-02-20 W. R. Grace & Co.-Conn. Tri-flotation air bar
FI82019C (en) * 1989-01-06 1991-01-10 Valmet Paper Machinery Inc Device for supporting, turning and widening a web
EP0563290A1 (en) * 1990-12-19 1993-10-06 Eastman Kodak Company Non-contact web turnbars and reversers with angled holes
US5152080A (en) * 1991-06-25 1992-10-06 W. R. Grace & Co.-Conn. Steerable air bar/edge dam apparatus
US5317817A (en) * 1992-04-30 1994-06-07 W. R. Grace & Co.-Conn. Trailing sheet assembly for an air turn
FR2710971B1 (en) * 1993-10-06 1995-12-29 Infra Rouge System Non-contact deflection device for sheet material.
DE4334473C2 (en) * 1993-10-11 1997-07-03 Krieger Gmbh & Co Kg Device for levitating a running web
FI110260B (en) 1997-12-01 2002-12-31 Metso Paper Inc Replacement of a wheelchair and method of replacing a roller
WO2000039011A2 (en) * 1998-12-23 2000-07-06 Bachofen + Meier Ag Maschinenfabrik Device for guiding or treating a continuous line of material in a contactless manner, especially a line of paper or cardboard or a metal or plastic film
US7014309B2 (en) * 2002-01-31 2006-03-21 Aukerman Robert W Ink drying system for high speed printing
DE102008005659B4 (en) * 2008-01-23 2010-12-09 Gerhard Bach Deflection element for flexible flat material and method for its operation
KR101629776B1 (en) * 2009-07-15 2016-06-13 도요 고한 가부시키가이샤 Web floating and conveying device and method of manufacturing same
DE102021133369A1 (en) 2021-12-15 2023-06-15 Olbrich Gmbh Suspension nozzle for a flotation dryer, flotation dryer, arrangement of a flotation dryer and a web of material and method for edge stabilization of a web of material in a flotation dryer
FI130896B1 (en) * 2022-03-14 2024-05-14 Valmet Technologies Oy Pulp dryer

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689196A (en) * 1951-04-02 1954-09-14 Joseph S Daniels Web drier
US3279091A (en) * 1963-12-23 1966-10-18 Clupak Inc Apparatus for drying a moving web over a non-rotating shell
FR1385004A (en) * 1964-02-07 1965-01-08 Svenska Flaektfabriken Ab Apparatus for ensuring the stable transport of material in web or sheet form
US3438559A (en) * 1967-01-11 1969-04-15 Albert F Shields Web tension means
US3498515A (en) * 1967-10-06 1970-03-03 Michigan Oven Co Fluid cushion turning rolls for supporting and guiding strip material
US3549070A (en) * 1969-02-27 1970-12-22 Tec Systems Floatation of sheet materials
FR2114934A5 (en) * 1970-12-04 1972-06-30 Polytype Ag
CA1001842A (en) * 1972-10-02 1976-12-21 Joseph A. Lapointe Air bearing moisture profiler
US3964656A (en) * 1975-04-14 1976-06-22 Tec Systems, Inc. Air bar assembly for web handling apparatus
DE2607504C3 (en) * 1976-02-25 1979-02-01 Gerhard 4800 Bielefeld Klemm Device for drying thin materials in pieces or webs in a continuous flow
DE2613135C3 (en) * 1976-03-27 1978-11-23 Vits-Maschinenbau Gmbh, 4018 Langenfeld Air cushion nozzle
CH599893A5 (en) * 1976-12-17 1978-06-15 Bachofen & Meier Maschf
EP0003414B1 (en) * 1978-01-27 1981-11-04 Spooner Edmeston Engineering Limited Float treatment apparatus
US4182472A (en) * 1978-07-13 1980-01-08 W. R. Grace & Co. Contactless turning guide for running webs
US4197972A (en) * 1978-08-28 1980-04-15 W. R. Grace & Co. Contactless turning guide having air slots longitudinally along running web edges
US4197971A (en) * 1978-10-12 1980-04-15 W. R. Grace & Co. High velocity web floating air bar having an internal passage for transverse air discharge slot means
US4218125A (en) * 1978-10-20 1980-08-19 Xerox Corporation Pneumatic system for supporting a photoconductive surface
US4288015A (en) * 1980-02-11 1981-09-08 W. R. Grace & Co. Contactless web turning guide

Also Published As

Publication number Publication date
FR2532732B1 (en) 1988-01-15
FR2532732A1 (en) 1984-03-09
GB8321928D0 (en) 1983-09-14
IT8322790A0 (en) 1983-09-06
CA1240504A (en) 1988-08-16
JPS5966681A (en) 1984-04-16
GB2126974A (en) 1984-04-04
IT1168967B (en) 1987-05-20
SE8304464D0 (en) 1983-08-17
DE3331856A1 (en) 1984-03-08
ES525416A0 (en) 1984-08-01
DE3331856C2 (en) 1995-06-08
ES8406706A1 (en) 1984-08-01
GB2126974B (en) 1985-09-11

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