FI922284A - Method and apparatus for cleaning a fiber suspension - Google Patents

Method and apparatus for cleaning a fiber suspension Download PDF

Info

Publication number
FI922284A
FI922284A FI922284A FI922284A FI922284A FI 922284 A FI922284 A FI 922284A FI 922284 A FI922284 A FI 922284A FI 922284 A FI922284 A FI 922284A FI 922284 A FI922284 A FI 922284A
Authority
FI
Finland
Prior art keywords
cleaning
fiber suspension
suspension
fiber
Prior art date
Application number
FI922284A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI90792C (en
FI90792B (en
FI922284A0 (en
Inventor
Paul Olof Meinander
Original Assignee
Pom Dev Oy Ab
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 Pom Dev Oy Ab filed Critical Pom Dev Oy Ab
Priority to FI922284A priority Critical patent/FI90792C/en
Publication of FI922284A0 publication Critical patent/FI922284A0/en
Priority to AU40713/93A priority patent/AU4071393A/en
Priority to PCT/FI1993/000213 priority patent/WO1993023609A1/en
Publication of FI922284A publication Critical patent/FI922284A/en
Application granted granted Critical
Publication of FI90792B publication Critical patent/FI90792B/en
Publication of FI90792C publication Critical patent/FI90792C/en

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
    • B01D29/118—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration open-ended
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B01D29/6446—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a rotary movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/78—Handling the filter cake in the filter for purposes other than for regenerating for washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/86—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • 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
    • D21D5/02—Straining or screening the pulp
    • D21D5/023—Stationary screen-drums
    • D21D5/026—Stationary screen-drums with rotating cleaning foils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FI922284A 1992-05-19 1992-05-19 Method and apparatus for purifying a fiber suspension FI90792C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI922284A FI90792C (en) 1992-05-19 1992-05-19 Method and apparatus for purifying a fiber suspension
AU40713/93A AU4071393A (en) 1992-05-19 1993-05-19 Process and apparatus for the screening of a pulp suspension
PCT/FI1993/000213 WO1993023609A1 (en) 1992-05-19 1993-05-19 Process and apparatus for the screening of a pulp suspension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI922284 1992-05-19
FI922284A FI90792C (en) 1992-05-19 1992-05-19 Method and apparatus for purifying a fiber suspension

Publications (4)

Publication Number Publication Date
FI922284A0 FI922284A0 (en) 1992-05-19
FI922284A true FI922284A (en) 1993-08-03
FI90792B FI90792B (en) 1993-12-15
FI90792C FI90792C (en) 1994-03-25

Family

ID=8535317

Family Applications (1)

Application Number Title Priority Date Filing Date
FI922284A FI90792C (en) 1992-05-19 1992-05-19 Method and apparatus for purifying a fiber suspension

Country Status (3)

Country Link
AU (1) AU4071393A (en)
FI (1) FI90792C (en)
WO (1) WO1993023609A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89728C (en) * 1992-05-19 1993-11-10 Pom Dev Oy Ab PROCEDURE FOR THE CIRCULATION OF PROCESS VATTNET I EN PAPER MACHINERY
FI97631C (en) * 1994-11-21 1997-01-27 Pom Technology Oy Ab Apparatus and method for sorting a fiber suspension
SE509134C2 (en) * 1997-04-14 1998-12-07 Sunds Defibrator Ind Ab Screening device with reject dilution
SE511142C2 (en) 1997-12-19 1999-08-09 Sunds Defibrator Ind Ab Device with diluent supply for screening of fiber suspensions
DE19805448C2 (en) * 1998-02-11 2000-04-13 Voith Sulzer Papiertech Patent Method and device for cleaning and feeding a paper stock suspension into the headbox of a paper machine
SE512957C2 (en) 1999-03-29 2000-06-12 Valmet Fibertech Ab Screening device with a rotatable and stationary screen means
SE514071C2 (en) 1999-04-08 2000-12-18 Valmet Fibertech Ab Screening device with axially displaceable cleavage ring
FI4401U1 (en) 1999-11-29 2000-04-27 Ahlstrom Machinery Oy Arrangement for sorting of pulp
SE524527E8 (en) * 2002-06-07 2015-10-20 Metso Paper Inc Multistage strainer for screening of pulp suspensions
CN106758467B (en) * 2016-11-17 2018-05-22 绥阳县双龙纸业有限公司 Pressurized screen buffer unit
KR101771371B1 (en) 2016-12-26 2017-08-24 나성주 screening machine for screening paper material, casing body for screening machine and screening basket
CN113215848B (en) * 2021-04-30 2023-05-26 安德里茨（中国）有限公司 Pressure screen and dilution method for a pressure screen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1007576A (en) * 1973-07-18 1977-03-29 Andrew C. Martin Vertical pressure pulp screening device
DE2712749A1 (en) * 1977-03-23 1979-02-08 Finckh Maschf SORTER FOR SITING FIBER SUSPENSIONS
US4749474A (en) * 1986-08-27 1988-06-07 Ingersoll-Rand Company Screening apparatus
FR2666598B1 (en) * 1990-09-10 1994-05-27 Escher Wyss Gmbh PROCESS FOR SEPARATING, ESPECIALLY SORTING OR SPLITTING A SUSPENSION OF PAPER PULP.

Also Published As

Publication number Publication date
FI90792C (en) 1994-03-25
WO1993023609A1 (en) 1993-11-25
FI90792B (en) 1993-12-15
FI922284A0 (en) 1992-05-19
AU4071393A (en) 1993-12-13

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Legal Events

Date Code Title Description
BB Publication of examined application
PC Transfer of assignment of patent

Owner name: POM TECHNOLOGY OY AB

MA Patent expired