CA1313325C - Method and apparatus for improving the control and treatment of fibre suspension flow - Google Patents

Method and apparatus for improving the control and treatment of fibre suspension flow

Info

Publication number
CA1313325C
CA1313325C CA000559428A CA559428A CA1313325C CA 1313325 C CA1313325 C CA 1313325C CA 000559428 A CA000559428 A CA 000559428A CA 559428 A CA559428 A CA 559428A CA 1313325 C CA1313325 C CA 1313325C
Authority
CA
Canada
Prior art keywords
inlet
chamber
rotor
outlet
suspension
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
CA000559428A
Other languages
English (en)
French (fr)
Inventor
Toivo Niskanen
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.)
Andritz Oy
Original Assignee
Ahlstrom 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
Application filed by Ahlstrom Corp filed Critical Ahlstrom Corp
Application granted granted Critical
Publication of CA1313325C publication Critical patent/CA1313325C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1126—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades the stirrer being a bent rod supported at one end only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/50—Pipe mixers, i.e. mixers wherein the materials to be mixed flow continuously through pipes, e.g. column mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Taps Or Cocks (AREA)
  • Pyrrole Compounds (AREA)
  • Endoscopes (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Inorganic Fibers (AREA)
CA000559428A 1987-02-23 1988-02-22 Method and apparatus for improving the control and treatment of fibre suspension flow Expired - Lifetime CA1313325C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI870747A FI82499C (fi) 1987-02-23 1987-02-23 Anordning foer foerbaettring av reglering och behandling av fibersuspensionsstroemning.
FI870747 1987-02-23

Publications (1)

Publication Number Publication Date
CA1313325C true CA1313325C (en) 1993-02-02

Family

ID=8523990

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000559428A Expired - Lifetime CA1313325C (en) 1987-02-23 1988-02-22 Method and apparatus for improving the control and treatment of fibre suspension flow

Country Status (7)

Country Link
EP (2) EP0280234B1 (de)
JP (1) JPS63288288A (de)
AT (2) ATE105884T1 (de)
CA (1) CA1313325C (de)
DE (3) DE280234T1 (de)
FI (1) FI82499C (de)
NO (1) NO178468B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403063B (de) * 1995-04-12 1997-11-25 Andritz Patentverwaltung Vorrichtung zum einmischen von chemikalien in eine faserstoffsuspension
SE532643C2 (sv) 2008-07-03 2010-03-09 Metso Paper Inc Förfarande och apparat för styrning av flöde av massasuspension
FR2997635A1 (fr) 2012-11-05 2014-05-09 Spcm Sa Dispositif pour l'injection puis le melange de polymere dans une canalisation transportant une suspension de particules solides et procede mettant en œuvre le dispositif

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066544B (de) * 1956-12-18 1959-10-08 Aschaffenburger Zellstoffwerke Vorrichtung zum Mischen von Fluessigkeiten untereinander oder mit Gasen oder von Stoffgemischen mit verschiedenen Konsistenzen in einem feststehenden, rohrfoermigen Gehaeuse mit einer in diesem umlaufenden Ruehrwelle
US4030969A (en) * 1972-06-13 1977-06-21 Defibrator Ab Method of dispersing a bleaching agent into a stream of fibrous cellulosic pulp material in a throttling nozzle
JPS6031554B2 (ja) * 1976-12-28 1985-07-23 日産自動車株式会社 塗装方法および装置
US4199266A (en) * 1977-08-31 1980-04-22 Giusti Raolo B Processing vessels
DE3033240A1 (de) * 1980-09-04 1982-04-01 Wolfgang 4200 Oberhausen Riese Segment- kugelhahn fuer silo-fahrzeuge
JPS6031554U (ja) * 1983-08-09 1985-03-04 株式会社　不二工機製作所 弁
US4662394A (en) * 1985-10-25 1987-05-05 Johnston Pump/General Valve, Inc. Tight shut-off valve with flow control element

Also Published As

Publication number Publication date
DE3889559T2 (de) 1994-09-29
FI82499C (fi) 1992-07-14
NO880758D0 (no) 1988-02-22
DE3889559D1 (de) 1994-06-23
DE280234T1 (de) 1989-06-22
EP0578284B1 (de) 1999-10-20
JPS63288288A (ja) 1988-11-25
FI870747A0 (fi) 1987-02-23
ATE105884T1 (de) 1994-06-15
NO880758L (no) 1989-08-23
FI82499B (fi) 1990-11-30
EP0578284A3 (en) 1997-03-12
EP0280234A2 (de) 1988-08-31
EP0280234A3 (de) 1991-01-09
DE3856373D1 (de) 1999-11-25
JPH0240790B2 (de) 1990-09-13
EP0280234B1 (de) 1994-05-18
FI870747A (fi) 1988-08-24
DE3856373T2 (de) 2000-03-23
NO178468B (no) 1995-12-27
EP0578284A2 (de) 1994-01-12
ATE185704T1 (de) 1999-11-15

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Legal Events

Date Code Title Description
MKEX Expiry