EP3815896C0 - Heating device for calender cylinders - Google Patents

Heating device for calender cylinders

Info

Publication number
EP3815896C0
EP3815896C0 EP19206499.6A EP19206499A EP3815896C0 EP 3815896 C0 EP3815896 C0 EP 3815896C0 EP 19206499 A EP19206499 A EP 19206499A EP 3815896 C0 EP3815896 C0 EP 3815896C0
Authority
EP
European Patent Office
Prior art keywords
heating device
calender cylinders
calender
cylinders
heating
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.)
Active
Application number
EP19206499.6A
Other languages
German (de)
French (fr)
Other versions
EP3815896A1 (en
EP3815896B1 (en
Inventor
Patrizio Petrelli
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP19206499.6A priority Critical patent/EP3815896B1/en
Publication of EP3815896A1 publication Critical patent/EP3815896A1/en
Application granted granted Critical
Publication of EP3815896C0 publication Critical patent/EP3815896C0/en
Publication of EP3815896B1 publication Critical patent/EP3815896B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/002—Air heaters using electric energy supply
    • 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
    • D21G1/028—Heating or cooling the rolls; Regulating the temperature using electrical means
    • 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
    • D21G1/0286—Regulating the axial or circumferential temperature profile of the roll

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Paper (AREA)
EP19206499.6A 2019-10-31 2019-10-31 Heating device for calender cylinders Active EP3815896B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19206499.6A EP3815896B1 (en) 2019-10-31 2019-10-31 Heating device for calender cylinders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19206499.6A EP3815896B1 (en) 2019-10-31 2019-10-31 Heating device for calender cylinders

Publications (3)

Publication Number Publication Date
EP3815896A1 EP3815896A1 (en) 2021-05-05
EP3815896C0 true EP3815896C0 (en) 2023-11-15
EP3815896B1 EP3815896B1 (en) 2023-11-15

Family

ID=68424800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19206499.6A Active EP3815896B1 (en) 2019-10-31 2019-10-31 Heating device for calender cylinders

Country Status (1)

Country Link
EP (1) EP3815896B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100013475A1 (en) * 2021-05-25 2022-11-25 Pht Petrelli Heating Tech S R L Heating device for calender rolls.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2039139B1 (en) * 1991-05-24 1994-03-16 Montserrat Izquierdo Albert IMPROVEMENTS IN THE PROCEDURE FOR HEATING CALANDRIAS.
CN2112647U (en) * 1991-11-16 1992-08-12 沁阳市长华新型造纸设备厂 Infrared drier for paper making
ITUD20060012A1 (en) * 2006-01-20 2007-07-21 Lafer Spa HEATED CYLINDER FOR MACHINE TOOLS
CN108842500A (en) * 2018-08-14 2018-11-20 陕西航沣新材料有限公司 A kind of new electronic control paper-making drying cylinder

Also Published As

Publication number Publication date
EP3815896A1 (en) 2021-05-05
EP3815896B1 (en) 2023-11-15

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