[go: up one dir, main page]

DE3572928D1 - Pressure slit screen - Google Patents

Pressure slit screen

Info

Publication number
DE3572928D1
DE3572928D1 DE8686900262T DE3572928T DE3572928D1 DE 3572928 D1 DE3572928 D1 DE 3572928D1 DE 8686900262 T DE8686900262 T DE 8686900262T DE 3572928 T DE3572928 T DE 3572928T DE 3572928 D1 DE3572928 D1 DE 3572928D1
Authority
DE
Germany
Prior art keywords
slit screen
pressure slit
pressure
screen
slit
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
Application number
DE8686900262T
Other languages
English (en)
Inventor
H Hiroshima Techn Ins Fujiwara
R Mihara Machinery Wor Katsube
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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
Priority claimed from JP59277892A external-priority patent/JPS61153114A/ja
Priority claimed from JP60021933A external-priority patent/JPS61186595A/ja
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of DE3572928D1 publication Critical patent/DE3572928D1/de
Expired legal-status Critical Current

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
    • D21D5/02—Straining or screening the pulp
    • D21D5/16—Cylinders and plates for screens
    • 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
    • B01D29/31—Self-supporting filtering elements
    • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
    • B01D29/356—Self-supporting filtering elements arranged for outward flow filtration open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of 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
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/445—Bar screens
    • 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
    • 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
    • B01D29/908—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 provoking a tangential stream
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/184—Special form, dimension of the openings, pores of the filtering elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Rotary Pumps (AREA)
DE8686900262T 1984-12-25 1985-12-23 Pressure slit screen Expired DE3572928D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59277892A JPS61153114A (ja) 1984-12-25 1984-12-25 ふるい分け装置
JP60021933A JPS61186595A (ja) 1985-02-08 1985-02-08 スクリ−ンシリンダの製作方法
PCT/JP1985/000702 WO1986003688A1 (fr) 1984-12-25 1985-12-23 Ecran a fentes a pression

Publications (1)

Publication Number Publication Date
DE3572928D1 true DE3572928D1 (en) 1989-10-19

Family

ID=26359082

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686900262T Expired DE3572928D1 (en) 1984-12-25 1985-12-23 Pressure slit screen

Country Status (5)

Country Link
US (1) US4832832A (de)
EP (1) EP0205623B1 (de)
DE (1) DE3572928D1 (de)
FI (1) FI84139B (de)
WO (1) WO1986003688A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI76139C (fi) * 1987-01-19 1988-09-09 Ahlstroem Oy Foerfarande och anordning foer kvistseparering.
FI77279C (fi) * 1987-04-30 1989-02-10 Ahlstroem Oy Foerfarande och anordning foer behandling av fibersuspension.
BR8807561A (pt) * 1987-06-11 1990-04-17 Ahlstroem Oy Aparelho de peneiramento de polpa
FR2635125B1 (fr) * 1988-08-08 1995-08-11 Lamort E & M Perfectionnement aux tamis pour epurateurs de pate a papier
US5172813A (en) * 1989-05-17 1992-12-22 A. Ahlstrom Corporation Method and an apparatus for treating fiber suspension
US5096127A (en) * 1990-08-22 1992-03-17 Ingersoll-Rand Company Apparatus for pressurized screening of a fibrous material liquid suspension
DE4028772A1 (de) * 1990-09-11 1991-11-07 Escher Wyss Gmbh Verfahren zur herstellung eines rotors fuer eine sortiervorrichtung sowie danach hergestellter rotor
DE4136765C2 (de) * 1991-11-08 1995-10-12 Voith Gmbh J M Sortierer
US5307939A (en) * 1992-07-13 1994-05-03 Ingersoll-Rand Company Screening apparatus for papermaking pulp
FI973189A0 (fi) * 1995-02-03 1997-08-01 Hermann Finckh Maschinfabrik G Painelajitin kuitususpensioiden lajittelua varten sekä sihti sellaista painelajitinta varten
DE29506015U1 (de) * 1995-04-07 1995-06-14 Hosokawa Alpine Ag, 86199 Augsburg Sichtrad für Schleuderrad-Windsichter
US6155430A (en) * 1996-09-02 2000-12-05 Hoshen Water Technologies Ltd. Filter
DE19836318A1 (de) * 1998-08-11 1999-07-15 Voith Sulzer Papiertech Patent Rotor für Drucksortierer
AT408997B (de) * 2000-04-03 2002-04-25 Andritz Ag Maschf Sortierer für die papier-erzeugung und flügel für sortierer
US6491168B1 (en) 2000-04-23 2002-12-10 J + L Fiber Services, Inc. Pulp screen basket
DE10065931A1 (de) * 2000-12-22 2002-06-27 Voith Paper Patent Gmbh Verfahren zur Herstellung von bei der Nasssiebung von Papierfasersuspensionen verwendbaren Sieben
US20050045529A1 (en) * 2003-09-02 2005-03-03 Gl&V Management Hungary Kft Vortex inducing rotor for screening apparatus for papermaking pulp
DE102010063891A1 (de) * 2010-12-22 2012-06-28 Voith Patent Gmbh Drucksortierer
SE537379C2 (sv) 2012-11-28 2015-04-14 Valmet Oy Silanordning, rotor, pulselementpaket och produktionsmetod
US8869989B2 (en) * 2012-12-12 2014-10-28 Ovivo Luxembourg S.Å.R.L. Pulp screen rotor with slurry passages around and through the rotor
JP6117683B2 (ja) * 2013-01-10 2017-04-19 相川鉄工株式会社 製紙用スクリーン装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363759A (en) * 1964-04-29 1968-01-16 Bird Machine Co Screening apparatus with rotary pulsing member
US3483974A (en) * 1968-02-09 1969-12-16 Universal Oil Prod Co Bar type screening unit with resilient edge sealing means
US3552552A (en) * 1968-07-17 1971-01-05 Decatur Foundry & Mach Co Rod-type screen for suspension fertilizers
DE2708135A1 (de) * 1977-02-25 1978-08-31 Schauenburg Masch Vorrichtung zur aufbereitung von truebe
DE3006482C2 (de) * 1980-02-21 1983-04-14 J.M. Voith Gmbh, 7920 Heidenheim Rotationssortierer
US4276159A (en) * 1980-06-19 1981-06-30 The Black Clawson Company Apparatus for screening paper fiber stock
US4318805A (en) * 1980-09-29 1982-03-09 Bird Machine Company, Inc. Screening apparatus
JPS6016797U (ja) * 1983-07-12 1985-02-04 三菱重工業株式会社 ふるい分け装置

Also Published As

Publication number Publication date
FI863295L (fi) 1986-08-14
US4832832A (en) 1989-05-23
WO1986003688A1 (fr) 1986-07-03
EP0205623B1 (de) 1989-09-13
FI84139B (fi) 1991-07-15
FI863295A0 (fi) 1986-08-14
EP0205623A1 (de) 1986-12-30
EP0205623A4 (de) 1987-06-29

Similar Documents

Publication Publication Date Title
EP0171663A3 (en) Field-directed screen help technique
GB8531878D0 (en) Videotex
DE3572928D1 (en) Pressure slit screen
GB8514700D0 (en) Screen
GB2158366B (en) Roll assembly
PT80218A (en) Pressure filter
GB2154020B (en) Display arrangement
EP0171950A3 (en) Security screen
GB8514717D0 (en) Projection screen
GB2166621B (en) Diaphragms
GB8417007D0 (en) Window screen
GB8506623D0 (en) Light-shielding screen
GB2152853B (en) Roller screen
GB8506205D0 (en) Screen
GB8413195D0 (en) Printing screens
GB2153574B (en) Display screen
GB8414619D0 (en) Anthracyclines
AU579598B2 (en) Screens
ZA857189B (en) Screen
ZA852390B (en) Screen
GB8417118D0 (en) Screen
PL249456A1 (en) Courtain-rod screen
PL246578A1 (en) Slotted screen
GB8420865D0 (en) Screen protector
AU3712284A (en) Screen construction

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee