DE68917168D1 - Device for grinding paper, cardboard or similar materials. - Google Patents

Device for grinding paper, cardboard or similar materials.

Info

Publication number
DE68917168D1
DE68917168D1 DE68917168T DE68917168T DE68917168D1 DE 68917168 D1 DE68917168 D1 DE 68917168D1 DE 68917168 T DE68917168 T DE 68917168T DE 68917168 T DE68917168 T DE 68917168T DE 68917168 D1 DE68917168 D1 DE 68917168D1
Authority
DE
Germany
Prior art keywords
cardboard
similar materials
tub
grinding paper
disintegrated
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.)
Expired - Lifetime
Application number
DE68917168T
Other languages
German (de)
Other versions
DE68917168T2 (en
Inventor
Jyrki Paavola
Jorma Halla
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.)
Sunds Defibrator Jylha OY
Original Assignee
Sunds Defibrator Jylha 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 Sunds Defibrator Jylha OY filed Critical Sunds Defibrator Jylha OY
Publication of DE68917168D1 publication Critical patent/DE68917168D1/en
Application granted granted Critical
Publication of DE68917168T2 publication Critical patent/DE68917168T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers
    • D21B1/347—Rotor assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Sorting Of Articles (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Fats And Perfumes (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Crushing And Grinding (AREA)

Abstract

Device to disintegrate paper, cardboard and similar materials, which device consists of a tub (1) into which the material to be disintegrated is fed and from which it is removed in the disintegrated state, and of at least one rotating rotor (3) with several blades (2, 5), situated on one of the walls of the tub (1). Current pulpers work effectively only with a mild consistency. When the consistency increases the disintegrating power decreases essentially. With the invention the problem has been solved by that at least one of the blades is a pumping blade (2) and at least one a disintegrating blade (5).
DE68917168T 1988-02-10 1989-02-02 Device for grinding paper, cardboard or similar materials. Expired - Lifetime DE68917168T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI880609A FI78934C (en) 1988-02-10 1988-02-10 ANORDNING FOER DESTRUKTION AV PAPPER, KARTONG ELLER DYLIKA.

Publications (2)

Publication Number Publication Date
DE68917168D1 true DE68917168D1 (en) 1994-09-08
DE68917168T2 DE68917168T2 (en) 1994-11-24

Family

ID=8525883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68917168T Expired - Lifetime DE68917168T2 (en) 1988-02-10 1989-02-02 Device for grinding paper, cardboard or similar materials.

Country Status (5)

Country Link
EP (1) EP0328500B1 (en)
AT (1) ATE109528T1 (en)
DE (1) DE68917168T2 (en)
FI (1) FI78934C (en)
NO (1) NO174011C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1010118A3 (en) * 1996-04-05 1998-01-06 Magotteaux Int Mixer propeller
AUPO314396A0 (en) * 1996-10-22 1996-11-14 Wood, Jeffrey Robert Pulping apparatus
EP1036877B1 (en) * 1999-03-05 2002-06-19 Voith Paper Patent GmbH Rotor with wear protector for a pulper

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707267A (en) * 1971-02-24 1972-12-26 Beloit Corp Replaceable vane insert for impeller
US3889885A (en) * 1974-01-11 1975-06-17 Black Clawson Co Pulping apparatus
US4109872A (en) * 1977-07-29 1978-08-29 The Black Clawson Company Pulping apparatus for liquid slurry stock
BE860386A (en) * 1977-11-03 1978-03-01 Eximco N V ROTOR FOR A DEVICE FOR THE PREPARATION OF FIBER PURGE FOR OBTAINING PAPER OR CARDBOARD

Also Published As

Publication number Publication date
NO890560L (en) 1989-08-11
NO890560D0 (en) 1989-02-09
FI78934B (en) 1989-06-30
EP0328500A3 (en) 1991-06-05
ATE109528T1 (en) 1994-08-15
NO174011C (en) 1994-03-02
FI78934C (en) 1989-10-10
FI880609A0 (en) 1988-02-10
DE68917168T2 (en) 1994-11-24
EP0328500A2 (en) 1989-08-16
EP0328500B1 (en) 1994-08-03
NO174011B (en) 1993-11-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition