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WO1989001073A3 - A dryer section apparatus - Google Patents

A dryer section apparatus Download PDF

Info

Publication number
WO1989001073A3
WO1989001073A3 PCT/US1988/002019 US8802019W WO8901073A3 WO 1989001073 A3 WO1989001073 A3 WO 1989001073A3 US 8802019 W US8802019 W US 8802019W WO 8901073 A3 WO8901073 A3 WO 8901073A3
Authority
WO
WIPO (PCT)
Prior art keywords
dryer drums
dryer
web
felt
drums
Prior art date
Application number
PCT/US1988/002019
Other languages
French (fr)
Other versions
WO1989001073A2 (en
Inventor
John Welsby
Original Assignee
Beloit 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
Priority claimed from GB878717387A external-priority patent/GB8717387D0/en
Application filed by Beloit Corp filed Critical Beloit Corp
Priority to BR888807626A priority Critical patent/BR8807626A/en
Priority to DE8888909246T priority patent/DE3873769T2/en
Priority to KR1019890700532A priority patent/KR970001191B1/en
Priority to AT88909246T priority patent/ATE79425T1/en
Publication of WO1989001073A2 publication Critical patent/WO1989001073A2/en
Publication of WO1989001073A3 publication Critical patent/WO1989001073A3/en
Priority to FI900306A priority patent/FI89523C/en

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
    • D21F5/02—Drying on cylinders
    • D21F5/04—Drying on cylinders on two or more drying cylinders

Landscapes

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

Abstract

A dryer section apparatus (10C) is disclosed for drying a web extending therethrough. The apparatus (10C) includes a plurality of lower dryer drums (20C, 34, 36) and a plurality of upper dryer drums (16C, 18C, 38). A lower felt (14C) partially wraps each lower dryer drum (20C, 34, 36) of the plurality of lower dryer drums and each lower intermediate roll (24C, 28C, 40) of a plurality of lower intermediate rolls is disposed between adjacent lower dryer drums such that each alternate lower intermediate roll (24C, 40) guides both the web and the lower felt (14C). An upper felt (12C) partially wraps each of the upper dryer drums (16C, 18C, 38) of the plurality of upper dryer drums. The apparatus also includes a plurality of upper intermediate rolls (44, 22C, 46) with each upper intermediate roll being disposed between adjacent upper dryer drums such that each alternate upper intermediate roll (22C) guides both the web and the felt so that the web is transferred in open draw between adjacent upper and lower dryer drums thereby minimizing the length of the open draw and inhibiting web flutter during transfer between upper and lower dryer drums.
PCT/US1988/002019 1987-07-23 1988-06-13 A dryer section apparatus WO1989001073A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR888807626A BR8807626A (en) 1987-07-23 1988-06-13 DRYER SECTION APPLIANCE AND DRYING PROCESS FOR A COIL THAT EXTENDS THROUGH THE SECTOR SECTION
DE8888909246T DE3873769T2 (en) 1987-07-23 1988-06-13 DRY LOT.
KR1019890700532A KR970001191B1 (en) 1987-07-23 1988-06-13 Dryer section apparatus for drying a web and a method of drying a web
AT88909246T ATE79425T1 (en) 1987-07-23 1988-06-13 DRYING SECTION.
FI900306A FI89523C (en) 1987-07-23 1990-01-19 Torkpartianordning och foerfarande Foer att torka en bana

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB878717387A GB8717387D0 (en) 1987-07-23 1987-07-23 Dryer section apparatus
GB8717387 1987-07-23
US110,405 1987-10-19
US07/110,405 US4835881A (en) 1987-07-23 1987-10-19 Dryer section apparatus

Publications (2)

Publication Number Publication Date
WO1989001073A2 WO1989001073A2 (en) 1989-02-09
WO1989001073A3 true WO1989001073A3 (en) 1989-02-23

Family

ID=26292530

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1988/002019 WO1989001073A2 (en) 1987-07-23 1988-06-13 A dryer section apparatus

Country Status (6)

Country Link
EP (1) EP0368937B1 (en)
JP (1) JPH076156B2 (en)
AU (1) AU608386B2 (en)
BR (1) BR8807626A (en)
FI (1) FI89523C (en)
WO (1) WO1989001073A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92420C (en) * 1992-04-10 1994-11-10 Valmet Paper Machinery Inc Stabilizer for a paper web in a cylinder group contained in the drying portion of a paper machine
DE4328555A1 (en) * 1993-08-25 1994-03-31 Voith Gmbh J M Paper-making machine twin-blanket drying section - has structured gap between suction deflection rollers in upper row of cylinders and blanket path at lower row to reduce web path

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE92297C (en) *
DE343644C (en) *
GB1153387A (en) * 1966-06-09 1969-05-29 Svenska Flaektfabriken Ab A Method and Means for the Ventilation of a Cylinder Dryer.
DE1931922A1 (en) * 1969-06-24 1971-01-21 Voith Gmbh J M Drying device for drying a moist web, in particular the drying section of a paper machine
DE3623971A1 (en) * 1986-07-16 1988-01-28 Voith Gmbh J M Drying section for drying a web of fibre material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4515607Y1 (en) * 1969-09-09 1970-06-30
US4483083A (en) * 1982-08-18 1984-11-20 Beloit Corporation Drying and runnability for high speed paper machines
FI68278C (en) * 1983-03-01 1985-08-12 Valmet Oy FICKVENTILATIONSANORDNING FOER EN MAONGCYLINDERTORK I EN PAPPERSMASKIN
FI68279C (en) * 1984-03-22 1985-08-12 Valmet Oy FOERFARANDE OCH ANORDNING FOER ATT HINDRA PAPPERSBANAN ATT FLADDRA I TORKNINGSPARTIET AV EN PAPPERSMASKIN

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE92297C (en) *
DE343644C (en) *
GB1153387A (en) * 1966-06-09 1969-05-29 Svenska Flaektfabriken Ab A Method and Means for the Ventilation of a Cylinder Dryer.
DE1931922A1 (en) * 1969-06-24 1971-01-21 Voith Gmbh J M Drying device for drying a moist web, in particular the drying section of a paper machine
DE3623971A1 (en) * 1986-07-16 1988-01-28 Voith Gmbh J M Drying section for drying a web of fibre material

Also Published As

Publication number Publication date
WO1989001073A2 (en) 1989-02-09
FI89523B (en) 1993-06-30
FI900306A0 (en) 1990-01-19
JPH076156B2 (en) 1995-01-30
AU608386B2 (en) 1991-03-28
EP0368937B1 (en) 1992-08-12
EP0368937A1 (en) 1990-05-23
FI89523C (en) 1995-04-25
JPH03500790A (en) 1991-02-21
AU2551288A (en) 1989-03-01
BR8807626A (en) 1990-06-26

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