WO2001046522A3 - Heatable roll - Google Patents

Heatable roll Download PDF

Info

Publication number
WO2001046522A3
WO2001046522A3 PCT/FI2000/001082 FI0001082W WO0146522A3 WO 2001046522 A3 WO2001046522 A3 WO 2001046522A3 FI 0001082 W FI0001082 W FI 0001082W WO 0146522 A3 WO0146522 A3 WO 0146522A3
Authority
WO
WIPO (PCT)
Prior art keywords
roll
shell
roll shell
heating
thermal energy
Prior art date
Application number
PCT/FI2000/001082
Other languages
French (fr)
Other versions
WO2001046522A2 (en
Inventor
Pekka Koivukunnas
Vesa Ijaes
Original Assignee
Metso Paper Inc
Pekka Koivukunnas
Vesa Ijaes
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 Metso Paper Inc, Pekka Koivukunnas, Vesa Ijaes filed Critical Metso Paper Inc
Priority to AU23753/01A priority Critical patent/AU2375301A/en
Publication of WO2001046522A2 publication Critical patent/WO2001046522A2/en
Publication of WO2001046522A3 publication Critical patent/WO2001046522A3/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
    • D21F5/022—Heating the cylinders
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0253—Heating or cooling the rolls; Regulating the temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)

Abstract

The invention relates to a heatable roll, in particular a calender roll, which comes into direct contact with a paper or board web, which roll (10; 110) comprises a hollow tubular roll shell (11; 111) which is revolvingly mounted at its ends on the frame of a machine by means of bearings (16, 17; 116, 117) and provided with a drive motor (18; 118) or equivalent for rotating the roll, and which roll (10; 110) is equipped with an apparatus (20 - 25; 120 - 125, 131 - 135) for heating the roll shell (11; 111). The apparatus (20 - 25; 120 - 125, 131 - 135) for heating the roll shell is a friction-based apparatus which is disposed inside the roll and which is arranged to produce friction work inside the roll shell (11;111) in an amount that substantially corresponds to the consumption of thermal energy caused by the web in contact with the roll shell (11; 111) and to the losses of thermal energy from the roll to the surroundings.
PCT/FI2000/001082 1999-12-20 2000-12-11 Heatable roll WO2001046522A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23753/01A AU2375301A (en) 1999-12-20 2000-12-11 Heatable roll

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992736A FI107398B (en) 1999-12-20 1999-12-20 Heated roller
FI19992736 1999-12-20

Publications (2)

Publication Number Publication Date
WO2001046522A2 WO2001046522A2 (en) 2001-06-28
WO2001046522A3 true WO2001046522A3 (en) 2001-11-22

Family

ID=8555779

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2000/001082 WO2001046522A2 (en) 1999-12-20 2000-12-11 Heatable roll

Country Status (3)

Country Link
AU (1) AU2375301A (en)
FI (1) FI107398B (en)
WO (1) WO2001046522A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975146A (en) * 1971-12-20 1976-08-17 Hoechst Aktiengesellschaft Fixing thermoplastic material on a carrier
US5383833A (en) * 1992-07-16 1995-01-24 Sulzer-Escher Wyss Gmbh Roll for heating or cooling running webs
US5553729A (en) * 1994-08-30 1996-09-10 Tokuden Co., Ltd. Induction heating roller apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975146A (en) * 1971-12-20 1976-08-17 Hoechst Aktiengesellschaft Fixing thermoplastic material on a carrier
US5383833A (en) * 1992-07-16 1995-01-24 Sulzer-Escher Wyss Gmbh Roll for heating or cooling running webs
US5553729A (en) * 1994-08-30 1996-09-10 Tokuden Co., Ltd. Induction heating roller apparatus

Also Published As

Publication number Publication date
FI107398B (en) 2001-07-31
WO2001046522A2 (en) 2001-06-28
AU2375301A (en) 2001-07-03

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