BR9006945A - Processo e aparelho para fabricacao de polpa de celulose com propriedades de qualidade aperfeicoadas - Google Patents

Processo e aparelho para fabricacao de polpa de celulose com propriedades de qualidade aperfeicoadas

Info

Publication number
BR9006945A
BR9006945A BR909006945A BR9006945A BR9006945A BR 9006945 A BR9006945 A BR 9006945A BR 909006945 A BR909006945 A BR 909006945A BR 9006945 A BR9006945 A BR 9006945A BR 9006945 A BR9006945 A BR 9006945A
Authority
BR
Brazil
Prior art keywords
consistency
cleaning
manufacture
pulp
cellulose pulp
Prior art date
Application number
BR909006945A
Other languages
English (en)
Portuguese (pt)
Inventor
Nils Anders Lennart Wikdahl
Original Assignee
Nils Anders Lennart Wikdahl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8203268&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9006945(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nils Anders Lennart Wikdahl filed Critical Nils Anders Lennart Wikdahl
Publication of BR9006945A publication Critical patent/BR9006945A/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/18—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force
    • D21D5/24—Purification of the pulp suspension by mechanical means; Apparatus therefor with the aid of centrifugal force in cyclones
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Silicon Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Magnetic Record Carriers (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
BR909006945A 1989-10-10 1990-10-09 Processo e aparelho para fabricacao de polpa de celulose com propriedades de qualidade aperfeicoadas BR9006945A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP89850341A EP0422314B1 (en) 1989-10-10 1989-10-10 A method and device for the production of cellulose pulp of improved quality
PCT/SE1990/000648 WO1991005912A1 (en) 1989-10-10 1990-10-09 A method and device for the production of cellulose pulp of improved quality

Publications (1)

Publication Number Publication Date
BR9006945A true BR9006945A (pt) 1991-10-08

Family

ID=8203268

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909006945A BR9006945A (pt) 1989-10-10 1990-10-09 Processo e aparelho para fabricacao de polpa de celulose com propriedades de qualidade aperfeicoadas

Country Status (10)

Country Link
EP (1) EP0422314B1 (no)
JP (1) JPH0781240B2 (no)
AT (1) ATE104382T1 (no)
BR (1) BR9006945A (no)
CA (1) CA2042366C (no)
DD (1) DD296722A5 (no)
DE (2) DE422314T1 (no)
ES (1) ES2023626T3 (no)
NO (1) NO178348C (no)
WO (1) WO1991005912A1 (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9317817D0 (en) * 1993-08-27 1993-10-13 Wiggins Teape Group The Ltd Papermaking process and apparatus for use therewith
DE19522761C2 (de) * 1995-06-27 2000-11-16 Voith Sulzer Papiermasch Gmbh Schuh-Preßeinrichtung
SE507387C2 (sv) * 1996-09-16 1998-05-25 Alfa Laval Ab Förfarande och anläggning för behandling av en förorenad massasuspension
SE507386C2 (sv) * 1996-09-16 1998-05-25 Alfa Laval Ab Förfarande och anläggning för behandling av en förorenad massasuspension
FI103734B (fi) * 1997-11-11 1999-08-31 Ahlstrom Machinery Oy Menetelmä ja laitteisto kuitususpension käsittelemiseksi
FI112806B (fi) * 2001-03-09 2004-01-15 Metso Paper Inc Menetelmä kuitumassan laadun ohjaamiseksi
FI110699B (fi) * 2001-08-15 2003-03-14 Metso Paper Inc Paperikoneen tai vastaavan perälaatikko
DE10358567A1 (de) * 2003-12-15 2005-09-08 Nordland Papier Gmbh Verfahren und Vorrichtung zur Behandlung eines Faserstoffs
RU2708110C1 (ru) * 2019-04-09 2019-12-04 Николай Васильевич Байкин Устройство сортирования волокнистых материалов
CN110409212B (zh) * 2019-07-19 2021-09-03 王洲 一种三明治式的擦手纸及其生产工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912579A (en) * 1969-06-04 1975-10-14 Bergstrom Paper Co Reverse cleaning and de-inking of paper stock
USRE29472E (en) * 1971-09-29 1977-11-15 Clark & Vicario Corporation Conduit system for conveying fibrous stock from deaerator chamber to headbox in papermaking machine
US4312701A (en) * 1980-11-07 1982-01-26 Hydro-Thermal Corporation Method for defibrating waste paper and dispersing contaminants
US4437984A (en) * 1982-04-05 1984-03-20 Clark & Vicario Corporation Multiple hydrocyclone apparatus
SE435581B (sv) * 1982-08-16 1984-10-08 Celleco Ab Forfarande for uppdelning av en blandning av en relativt tyngre fibersuspension (accept) och letta fororeningar (reject)
SE451736B (sv) * 1983-09-19 1987-10-26 Nils Anders Lennart Wikdahl Sett vid urvattning av en vattenhaltig suspension innehallande cellulosafibrer
US4738779A (en) * 1984-11-28 1988-04-19 Noel Carroll Cyclone separator
SU1376325A1 (ru) * 1986-07-10 1990-08-23 Научно-производственное объединение по крахмалопродуктам Многоступенчата мультициклонна установка

Also Published As

Publication number Publication date
JPH04502188A (ja) 1992-04-16
DE68914666T2 (de) 1994-08-18
CA2042366C (en) 1995-07-04
DE422314T1 (de) 1991-07-25
NO912197D0 (no) 1991-06-07
EP0422314A1 (en) 1991-04-17
DE68914666D1 (de) 1994-05-19
ES2023626A4 (es) 1992-02-01
NO178348C (no) 2001-03-05
JPH0781240B2 (ja) 1995-08-30
NO912197L (no) 1991-06-07
DD296722A5 (de) 1991-12-12
ATE104382T1 (de) 1994-04-15
NO178348B (no) 1995-11-27
WO1991005912A1 (en) 1991-05-02
ES2023626T3 (es) 1994-07-01
CA2042366A1 (en) 1991-04-11
EP0422314B1 (en) 1994-04-13

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 09/10/2010