DE69008730D1 - Methode und vorrichtung zur behandlung einer fasersuspension. - Google Patents

Methode und vorrichtung zur behandlung einer fasersuspension.

Info

Publication number
DE69008730D1
DE69008730D1 DE69008730T DE69008730T DE69008730D1 DE 69008730 D1 DE69008730 D1 DE 69008730D1 DE 69008730 T DE69008730 T DE 69008730T DE 69008730 T DE69008730 T DE 69008730T DE 69008730 D1 DE69008730 D1 DE 69008730D1
Authority
DE
Germany
Prior art keywords
cylinder
pulp
wire surface
treating
filtrate
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
DE69008730T
Other languages
English (en)
Other versions
DE69008730T2 (de
Inventor
Jukka Heino
Raimo Kohonen
Erkki Savolainen
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
Publication of DE69008730D1 publication Critical patent/DE69008730D1/de
Application granted granted Critical
Publication of DE69008730T2 publication Critical patent/DE69008730T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B01D33/09—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration with surface cells independently connected to pressure distributors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/82—Means for pressure distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/001—Filters in combination with devices for the removal of gas, air purge systems
    • 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
    • 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
    • D21D5/06—Rotary screen-drums
    • 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
    • D21F1/60—Cylinder moulds
    • 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
    • D21F1/74—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders
    • D21F1/76—Pulp catching, de-watering, or recovering; Re-use of pulp-water using cylinders with suction
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00—Complete machines for making continuous webs of paper
    • D21F9/04—Complete machines for making continuous webs of paper of the cylinder type
    • D21F9/043—Complete machines for making continuous webs of paper of the cylinder type with immersed cylinder
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G3/00—Doctors
    • D21G3/005—Doctor knifes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Ropes Or Cables (AREA)
  • Fats And Perfumes (AREA)
  • Stringed Musical Instruments (AREA)
DE69008730T 1989-07-06 1990-06-26 Methode und vorrichtung zur behandlung einer fasersuspension. Expired - Lifetime DE69008730T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI893287A FI86963C (fi) 1989-07-06 1989-07-06 Anordning och foerfarande foer behandling av massa
PCT/FI1990/000169 WO1991000768A1 (en) 1989-07-06 1990-06-26 Method and apparatus for treating fiber suspension

Publications (2)

Publication Number Publication Date
DE69008730D1 true DE69008730D1 (de) 1994-06-09
DE69008730T2 DE69008730T2 (de) 1994-09-15

Family

ID=8528730

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69008730T Expired - Lifetime DE69008730T2 (de) 1989-07-06 1990-06-26 Methode und vorrichtung zur behandlung einer fasersuspension.
DE69027042T Expired - Lifetime DE69027042T2 (de) 1989-07-06 1990-06-26 Verfahren und Vorrichtung zur Behandlung von einer Faseraufschwemmung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69027042T Expired - Lifetime DE69027042T2 (de) 1989-07-06 1990-06-26 Verfahren und Vorrichtung zur Behandlung von einer Faseraufschwemmung

Country Status (10)

Country Link
US (2) US5264138A (de)
EP (2) EP0489738B1 (de)
JP (1) JPH0765277B2 (de)
AT (2) ATE138131T1 (de)
CA (1) CA2062957C (de)
DE (2) DE69008730T2 (de)
ES (2) ES2055435T3 (de)
FI (2) FI86963C (de)
RU (1) RU2092642C1 (de)
WO (1) WO1991000768A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501550C2 (sv) * 1992-11-20 1995-03-13 Kvaerner Pulp Equipment As Sughuvud anordnat mellan en filtratkanal och ett fallrör vid ett roterande filter
US5503737A (en) * 1994-07-25 1996-04-02 Ingersoll-Rand Company Air inflow restrictor for disc filters
US5683582A (en) * 1996-01-24 1997-11-04 Beloit Technologies, Inc. Air inflow restrictor for vacuum filters
AU9791998A (en) * 1997-10-10 1999-05-03 Gunderboom, Inc. Method and apparatus for controlling suspended particulates or marine life
US5914048A (en) * 1997-11-13 1999-06-22 Beloit Technologies, Inc. Adjustable control valve system for rotating disc filter and method of operating the system
SE512904C2 (sv) 1998-09-24 2000-06-05 Valmet Fibertech Ab Schaberanordning för valspressar
US6567341B2 (en) 2000-11-20 2003-05-20 Gunderboom, Inc. Boom system and its use to attenuate underwater sound or shock wave transmission
US7097767B2 (en) 2001-06-05 2006-08-29 Gunderboom, Inc. Method of controlling contaminant flow into water reservoir
WO2003031729A2 (en) 2001-10-11 2003-04-17 Gunderboom, Inc. Boom curtain with zipper connections and method of assembling boom
EP1446532A4 (de) 2001-10-29 2008-06-18 Gunderboom Inc Sperrvorhang mit ausdehnbaren gefalteten tafeln, damit versehene eindämmungssperre und deren verwendung
CA2464694A1 (en) 2001-11-02 2003-05-15 Gunderboom, Inc. Filter canister, system containing filter canister, and their use
US10156501B2 (en) 2001-11-05 2018-12-18 Life Technologies Corporation Automated microdissection instrument for determining a location of a laser beam projection on a worksurface area
ATE391812T1 (de) * 2001-11-07 2008-04-15 Gunderboom Inc Filtersystem für wasserentnahmen aus oberflächengewässern
CA2562796A1 (en) * 2004-04-16 2005-10-27 Kadant Black Clawson Inc. Dual zone wireless pulp washer
ITVR20040104A1 (it) * 2004-06-16 2004-09-16 Cartiere Fedrigoni & C Spa Apparecchiatura per la produzione di carta di sicurezza e relativo procedimento
US7770867B2 (en) * 2004-11-22 2010-08-10 Dezurik, Inc. Plug valve with flow area equal to or greater than the flow area of the connected piping
US7641803B2 (en) 2006-02-10 2010-01-05 Gunderboom, Inc. Filter cartridges for fluid intake systems
US7780815B2 (en) 2006-10-13 2010-08-24 Andritz Inc. Gas free valve for pulp vacuum washer and method
FI123564B (fi) * 2011-12-15 2013-07-15 Andritz Oy Menetelmä kiintoainetta sisältävän suspension pesemiseksi imurumpupesurilla ja imurumpupesuri
WO2016000948A1 (en) * 2014-07-01 2016-01-07 Sulzer Management Ag A method of and an arrangement for introducing process liquid from a treatment step to a washing and/or filtering apparatus
SE542326C2 (en) * 2018-06-21 2020-04-14 Valmet Oy Vacuum filter
CN113769460A (zh) * 2021-09-28 2021-12-10 安徽众品机械科技有限公司 混凝土污水回收砂石分离设备

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2070074A (en) * 1934-09-24 1937-02-09 Oliver United Filters Inc Apparatus for discharging filters
US2887787A (en) * 1957-04-24 1959-05-26 Du Pont Scraper for doctor blade
US3363774A (en) * 1965-04-12 1968-01-16 Improved Machinery Inc Rotary drum filter
SE312108B (de) * 1965-06-08 1969-07-07 Svenska Jaestfab Ab
US3530992A (en) * 1969-02-05 1970-09-29 Improved Machinery Inc Rotary drum filter
GB1323326A (en) * 1969-11-05 1973-07-11 Maestrelli G Pre-filtering apparatus
CA1122540A (en) * 1978-11-06 1982-04-27 Kjell F. Forslund Device at rotary filter
GB1335196A (en) * 1970-12-01 1973-10-24 Ishigaki Mech Ind Scraping device
US3919088A (en) * 1974-03-22 1975-11-11 Alar Eng Corp Rotary vacuum filter
US4115271A (en) * 1976-09-29 1978-09-19 The Carborundum Company Rotary drum screen
US4147634A (en) * 1978-03-15 1979-04-03 Envirotech Corporation Deflector blade for rotary drum filter
DK152176B (da) * 1978-06-23 1988-02-08 Danske Sukkerfab Roterbart tromle- eller pladefilter
GB2106003B (en) * 1981-09-17 1985-10-16 William Henry Taylor Griffin Flow powered rotary screen
SE431168B (sv) * 1982-07-07 1984-01-23 Ingvar Oskar Valentin Lundin Roterande vakuumfilter
DE3513320A1 (de) * 1985-04-13 1986-10-23 Feldmühle AG, 4000 Düsseldorf Streichleiste fuer eine papiermaschine
US4608171A (en) * 1985-05-24 1986-08-26 Lavalley Industrial Plastics, Inc. Adjustable mounting for valve-discharge elbow of rotary drum filters
US5021159A (en) * 1988-08-08 1991-06-04 The Black Clawson Company Apparatus for thickening pulp and paper stock
US5158691A (en) * 1990-08-30 1992-10-27 Henry Filters, Inc. Filter apparatus and method for filtering contaminants from machine tool coolant

Also Published As

Publication number Publication date
RU2092642C1 (ru) 1997-10-10
USRE36297E (en) 1999-09-14
ATE138131T1 (de) 1996-06-15
FI93800B (fi) 1995-02-28
EP0509561B1 (de) 1996-05-15
ATE105202T1 (de) 1994-05-15
FI920705A0 (fi) 1992-02-19
ES2055435T3 (es) 1994-08-16
FI893287A (fi) 1991-01-07
CA2062957A1 (en) 1991-01-07
FI86963B (fi) 1992-07-31
DE69027042D1 (de) 1996-06-20
FI93800C (fi) 1995-06-12
EP0489738B1 (de) 1994-05-04
WO1991000768A1 (en) 1991-01-24
EP0509561A2 (de) 1992-10-21
JPH04506547A (ja) 1992-11-12
EP0489738A1 (de) 1992-06-17
DE69027042T2 (de) 1996-10-24
CA2062957C (en) 1994-03-15
FI86963C (fi) 1992-11-10
JPH0765277B2 (ja) 1995-07-12
EP0509561A3 (en) 1993-02-24
US5264138A (en) 1993-11-23
DE69008730T2 (de) 1994-09-15
ES2089302T3 (es) 1996-10-01
FI893287A0 (fi) 1989-07-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AHLSTROM MACHINERY OY, HELSINKI, FI