SE9202365L - Drainage device comprising vertical piping - Google Patents

Drainage device comprising vertical piping

Info

Publication number
SE9202365L
SE9202365L SE9202365A SE9202365A SE9202365L SE 9202365 L SE9202365 L SE 9202365L SE 9202365 A SE9202365 A SE 9202365A SE 9202365 A SE9202365 A SE 9202365A SE 9202365 L SE9202365 L SE 9202365L
Authority
SE
Sweden
Prior art keywords
pipe lines
drainage device
dewatering
vertical piping
outlet end
Prior art date
Application number
SE9202365A
Other languages
Swedish (sv)
Other versions
SE9202365D0 (en
SE470444B (en
Inventor
Leif Petersson
Original Assignee
Sunds Defibrator Ind 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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Priority to SE9202365A priority Critical patent/SE470444B/en
Publication of SE9202365D0 publication Critical patent/SE9202365D0/en
Priority to AU47667/93A priority patent/AU4766793A/en
Priority to PCT/SE1993/000661 priority patent/WO1994004746A1/en
Publication of SE9202365L publication Critical patent/SE9202365L/en
Publication of SE470444B publication Critical patent/SE470444B/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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
    • 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
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/904—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding directing the mixture to be filtered on the filtering element in a manner to clean the filter continuously
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

An arrangement for dewatering a pulp suspension. The arrangement comprises a plurality of substantially vertical pipe lines (10) with an inlet end and an outlet end, which are connected to an upper and, respectively, lower chamber (12 and, respectively, 13). The pipe lines are formed with liquid-permeable walls and are located within an area defined by a cylindric wall element (11). A rotary horizontal plate (17, 21) provided with apertures (19, 33) is located adjacent the outlet end of the pipe lines (10) so as upon its rotation alternatingly to open and close the outlet ends of the pipe lines (10) for simultaneous control of the feed of the pulp and of the dewatering in the pipe lines.
SE9202365A 1992-08-18 1992-08-18 Drainage device comprising vertical piping SE470444B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9202365A SE470444B (en) 1992-08-18 1992-08-18 Drainage device comprising vertical piping
AU47667/93A AU4766793A (en) 1992-08-18 1993-08-11 Dewatering arrangement
PCT/SE1993/000661 WO1994004746A1 (en) 1992-08-18 1993-08-11 Dewatering arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9202365A SE470444B (en) 1992-08-18 1992-08-18 Drainage device comprising vertical piping

Publications (3)

Publication Number Publication Date
SE9202365D0 SE9202365D0 (en) 1992-08-18
SE9202365L true SE9202365L (en) 1994-02-19
SE470444B SE470444B (en) 1994-03-28

Family

ID=20386942

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9202365A SE470444B (en) 1992-08-18 1992-08-18 Drainage device comprising vertical piping

Country Status (3)

Country Link
AU (1) AU4766793A (en)
SE (1) SE470444B (en)
WO (1) WO1994004746A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6448568B2 (en) * 2016-03-02 2019-01-09 東洋スクリーン工業株式会社 Continuous filtration device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE539094C (en) * 1931-11-20 Buckau R Wolf Akt Ges Maschf Filter cartridge thickener
US2985306A (en) * 1959-09-30 1961-05-23 Bendix Corp Fluid filter
US4552669A (en) * 1983-04-18 1985-11-12 Mott Metallurgical Corporation Pneumatic hydro-pulse filter system and method of operation
FI81137B (en) * 1986-12-17 1990-05-31 Ahlstroem Oy FOERFARANDE OCH ANORDNING FOER URVATTNING AV FIBERSUSPENSIONER.

Also Published As

Publication number Publication date
SE9202365D0 (en) 1992-08-18
AU4766793A (en) 1994-03-15
WO1994004746A1 (en) 1994-03-03
SE470444B (en) 1994-03-28

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