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EP0578284A3 - Mixing apparatus for improving the treatment of fibre suspension - Google Patents

Mixing apparatus for improving the treatment of fibre suspension Download PDF

Info

Publication number
EP0578284A3
EP0578284A3 EP93114759A EP93114759A EP0578284A3 EP 0578284 A3 EP0578284 A3 EP 0578284A3 EP 93114759 A EP93114759 A EP 93114759A EP 93114759 A EP93114759 A EP 93114759A EP 0578284 A3 EP0578284 A3 EP 0578284A3
Authority
EP
European Patent Office
Prior art keywords
fibre suspension
improving
treatment
mixing apparatus
housing
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.)
Granted
Application number
EP93114759A
Other versions
EP0578284B1 (en
EP0578284A2 (en
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.)
Ahlstrom Corp
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
Publication of EP0578284A2 publication Critical patent/EP0578284A2/en
Publication of EP0578284A3 publication Critical patent/EP0578284A3/en
Application granted granted Critical
Publication of EP0578284B1 publication Critical patent/EP0578284B1/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)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Endoscopes (AREA)
  • Pyrrole Compounds (AREA)
  • Inorganic Fibers (AREA)

Abstract

The present invention relates to a mixing apparatus for improving the treatment of fibre suspension. The apparatus comprises a housing (13) for the fibre suspension flow having a mixing chamber with an inlet opening (14), an outlet opening (16), and a fluidizing rotor (22) arranged in the mixing chamber. The fluidizing rotor (22) is formed of a shaft (21) extending through the housing (13) substantially at a right angle to the fibre suspension flow therethrough and finger-like fluidizing members (26) attached to the end (25) of said shaft (21) in the housing (13). <IMAGE>
EP93114759A 1987-02-23 1988-02-22 Mixing apparatus for improving the treatment of fibre suspension Expired - Lifetime EP0578284B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI870747 1987-02-23
FI870747A FI82499C (en) 1987-02-23 1987-02-23 Device for improving regulation and treatment of fiber suspension flow
EP88102569A EP0280234B1 (en) 1987-02-23 1988-02-22 Method and apparatus for improving the treatment of fibre suspension and for the control of fibre suspension flow

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP88102569.6 Division 1988-02-22
EP88102569A Division EP0280234B1 (en) 1987-02-23 1988-02-22 Method and apparatus for improving the treatment of fibre suspension and for the control of fibre suspension flow

Publications (3)

Publication Number Publication Date
EP0578284A2 EP0578284A2 (en) 1994-01-12
EP0578284A3 true EP0578284A3 (en) 1997-03-12
EP0578284B1 EP0578284B1 (en) 1999-10-20

Family

ID=8523990

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88102569A Expired - Lifetime EP0280234B1 (en) 1987-02-23 1988-02-22 Method and apparatus for improving the treatment of fibre suspension and for the control of fibre suspension flow
EP93114759A Expired - Lifetime EP0578284B1 (en) 1987-02-23 1988-02-22 Mixing apparatus for improving the treatment of fibre suspension

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP88102569A Expired - Lifetime EP0280234B1 (en) 1987-02-23 1988-02-22 Method and apparatus for improving the treatment of fibre suspension and for the control of fibre suspension flow

Country Status (7)

Country Link
EP (2) EP0280234B1 (en)
JP (1) JPS63288288A (en)
AT (2) ATE105884T1 (en)
CA (1) CA1313325C (en)
DE (3) DE3889559T2 (en)
FI (1) FI82499C (en)
NO (1) NO178468B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403063B (en) * 1995-04-12 1997-11-25 Andritz Patentverwaltung DEVICE FOR MIXING CHEMICALS IN A FIBROUS SUSPENSION
SE532643C2 (en) 2008-07-03 2010-03-09 Metso Paper Inc Method and apparatus for controlling pulp suspension flow
FR2997635A1 (en) 2012-11-05 2014-05-09 Spcm Sa DEVICE FOR INJECTION THEN MIXING POLYMER IN A CANALIZATION TRANSPORTING SUSPENSION OF SOLID PARTICLES AND METHOD IMPLEMENTING THE DEVICE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066544B (en) * 1956-12-18 1959-10-08 Aschaffenburger Zellstoffwerke Device for mixing liquids with one another or with gases or mixtures of substances with different consistencies in a fixed, tubular housing with a rotating shaft
US4199266A (en) * 1977-08-31 1980-04-22 Giusti Raolo B Processing vessels

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) * 1976-12-28 1985-07-23 日産自動車株式会社 Coating method and equipment
DE3033240A1 (en) * 1980-09-04 1982-04-01 Wolfgang 4200 Oberhausen Riese Silo vehicle discharge ball valve - has plug of segmental shape avoiding flow resistance and formation of dead spaces
JPS6031554U (en) * 1983-08-09 1985-03-04 株式会社　不二工機製作所 valve
US4662394A (en) * 1985-10-25 1987-05-05 Johnston Pump/General Valve, Inc. Tight shut-off valve with flow control element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066544B (en) * 1956-12-18 1959-10-08 Aschaffenburger Zellstoffwerke Device for mixing liquids with one another or with gases or mixtures of substances with different consistencies in a fixed, tubular housing with a rotating shaft
US4199266A (en) * 1977-08-31 1980-04-22 Giusti Raolo B Processing vessels

Also Published As

Publication number Publication date
DE3856373D1 (en) 1999-11-25
DE3889559T2 (en) 1994-09-29
ATE105884T1 (en) 1994-06-15
FI82499B (en) 1990-11-30
JPH0240790B2 (en) 1990-09-13
ATE185704T1 (en) 1999-11-15
EP0578284B1 (en) 1999-10-20
NO880758L (en) 1989-08-23
EP0280234A2 (en) 1988-08-31
EP0578284A2 (en) 1994-01-12
JPS63288288A (en) 1988-11-25
DE280234T1 (en) 1989-06-22
NO178468B (en) 1995-12-27
DE3856373T2 (en) 2000-03-23
EP0280234A3 (en) 1991-01-09
FI82499C (en) 1992-07-14
EP0280234B1 (en) 1994-05-18
DE3889559D1 (en) 1994-06-23
CA1313325C (en) 1993-02-02
NO880758D0 (en) 1988-02-22
FI870747A0 (en) 1987-02-23
FI870747A (en) 1988-08-24

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