DE3467382D1 - Continuous counterflow wood pulp fiber washing mechanism and method - Google Patents

Continuous counterflow wood pulp fiber washing mechanism and method

Info

Publication number
DE3467382D1
DE3467382D1 DE8484630012T DE3467382T DE3467382D1 DE 3467382 D1 DE3467382 D1 DE 3467382D1 DE 8484630012 T DE8484630012 T DE 8484630012T DE 3467382 T DE3467382 T DE 3467382T DE 3467382 D1 DE3467382 D1 DE 3467382D1
Authority
DE
Germany
Prior art keywords
wood pulp
pulp fiber
washing mechanism
fiber washing
continuous counterflow
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
DE8484630012T
Other languages
English (en)
Inventor
Edgar J Justus
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.)
Beloit Corp
Original Assignee
Beloit 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 Beloit Corp filed Critical Beloit Corp
Application granted granted Critical
Publication of DE3467382D1 publication Critical patent/DE3467382D1/de
Expired 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
    • 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/023—Moving bed of solid material using moving bands, trays fixed on moving transport chains
    • 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
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • 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
    • B01D33/465—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element take-off rollers
    • 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
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • 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
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • 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
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
    • B01D33/646—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by pressure rollers
    • 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
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/807—Accessories integrally combined with devices for controlling the filtration by level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D2011/002—Counter-current extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
DE8484630012T 1983-02-03 1984-02-03 Continuous counterflow wood pulp fiber washing mechanism and method Expired DE3467382D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/463,620 US4549415A (en) 1983-02-03 1983-02-03 Continuous counterflow belt washer

Publications (1)

Publication Number Publication Date
DE3467382D1 true DE3467382D1 (en) 1987-12-17

Family

ID=23840741

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8484630012T Expired DE3467382D1 (en) 1983-02-03 1984-02-03 Continuous counterflow wood pulp fiber washing mechanism and method
DE198484630012T Pending DE116009T1 (de) 1983-02-03 1984-02-03 Kontinuierlicher gegenstromapparat zum waschen von holzpulpefasern und verfahren.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198484630012T Pending DE116009T1 (de) 1983-02-03 1984-02-03 Kontinuierlicher gegenstromapparat zum waschen von holzpulpefasern und verfahren.

Country Status (14)

Country Link
US (1) US4549415A (de)
EP (1) EP0116009B1 (de)
KR (1) KR860001604B1 (de)
AU (1) AU549712B2 (de)
BR (1) BR8400525A (de)
CA (1) CA1222899A (de)
DE (2) DE3467382D1 (de)
ES (1) ES8502501A1 (de)
FI (1) FI76131C (de)
IN (1) IN160154B (de)
MX (1) MX158126A (de)
NO (1) NO163703C (de)
PH (1) PH20493A (de)
ZA (1) ZA84838B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3423701A1 (de) * 1983-09-12 1985-03-28 Rauma-Repola Oy, Pori Verfahren und vorrichtung zum waschen einer zellstoffmasse
AT383627B (de) * 1985-03-12 1987-07-27 Andritz Ag Maschf Waschvorrichtung fuer suspensionen
AT385791B (de) * 1986-02-18 1988-05-10 Andritz Ag Maschf Einrichtung zur behandlung einer zwischen mindestens zwei endlosen siebbaendern od.dgl. foerdereinrichtungen gefuehrten material- bzw. stoffbahn
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
US4722793A (en) * 1986-07-03 1988-02-02 The Black Clawson Company Apparatus and method for thickening pulp and paper stock
DE59204795D1 (de) * 1991-05-04 1996-02-08 Schloemann Siemag Ag Bandfilter zum Ausbringen von Fremdstoffpartikeln aus Flüssigkeitsbädern
US11365266B2 (en) * 2017-03-29 2022-06-21 Shin-Etsu Chemical Co., Ltd. Method for producing cellulose ether
EP3828320A1 (de) 2019-11-26 2021-06-02 Lenzing Aktiengesellschaft Gegenstromwäsche

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867436A (en) * 1928-06-30 1932-07-12 Andresen Otto Method and apparatus for concentrating pulp water
US2356285A (en) * 1938-05-19 1944-08-22 Downingtown Mfg Co Apparatus for washing pulp
US3454970A (en) * 1965-09-22 1969-07-15 Lionel M Sutherland Apparatus and process for washing a pulp web
US3469704A (en) * 1967-09-19 1969-09-30 Anglo Paper Prod Ltd Slurry washing apparatus
DE2020365A1 (de) * 1970-04-25 1971-11-11 Artos Meier Windhorst Kg Verfahren und Vorrichtung zur kontinuierlichen Behandlung von Warenbahnen mit stehendem Flor
US3669272A (en) * 1970-04-30 1972-06-13 Friedrich Bilabel Band filter with vacuum suction chamber
US3832283A (en) * 1971-07-21 1974-08-27 Int Paper Co Method for producing nonwoven fabrics
NO136891B (no) * 1973-01-10 1977-08-15 Stranger Johannessen Per Fremgangsm}te og apparat til kontinuerlig fortrengningsvasking av stoffmasser som inneholder en v{ske.
US4014736A (en) * 1974-12-17 1977-03-29 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
US4246669A (en) * 1978-10-16 1981-01-27 Envirotech Corporation Dual belt pulp washer
US4154644A (en) * 1978-02-27 1979-05-15 Georgia-Pacific Corporation Pulp washer
US4151093A (en) * 1978-03-24 1979-04-24 Lenox Institute For Research Stockwasher
US4207141A (en) * 1978-05-09 1980-06-10 Seymour George W Process for controlling pulp washing systems

Also Published As

Publication number Publication date
FI834486A0 (fi) 1983-12-08
EP0116009A1 (de) 1984-08-15
AU2403284A (en) 1984-08-09
IN160154B (de) 1987-06-27
ZA84838B (en) 1984-09-26
MX158126A (es) 1989-01-09
EP0116009B1 (de) 1987-11-11
KR840007761A (ko) 1984-12-20
ES529297A0 (es) 1985-01-01
DE116009T1 (de) 1986-02-13
ES8502501A1 (es) 1985-01-01
US4549415A (en) 1985-10-29
AU549712B2 (en) 1986-02-06
PH20493A (en) 1987-01-21
CA1222899A (en) 1987-06-16
KR860001604B1 (ko) 1986-10-13
FI76131C (fi) 1988-09-09
NO163703B (no) 1990-03-26
FI76131B (fi) 1988-05-31
NO163703C (no) 1990-07-04
FI834486A (fi) 1984-08-04
NO840358L (no) 1984-08-06
BR8400525A (pt) 1984-09-11

Similar Documents

Publication Publication Date Title
GB8415328D0 (en) Producing wood pulp
GB2073257B (en) Washing machines and spindriers
GB8616485D0 (en) Combining fibre web
GB8432479D0 (en) Inorganic fibres
GB8401794D0 (en) Bleaching wood pulp
DE3467382D1 (en) Continuous counterflow wood pulp fiber washing mechanism and method
DE3464267D1 (en) Pulp washing process
GB8412256D0 (en) Acrylic fibers
GB8425065D0 (en) Hollow fibre
GB8415004D0 (en) Perforated core
DE3469696D1 (en) Wood peeling machine
GB8401870D0 (en) Treating fibrous material
GB2149770B (en) Improvements in or relating to treating a medium
DE3569006D1 (en) A means in the vat section of a vat machine
DE3166131D1 (en) Process for the production of reverse prints on blends of polyester and cellulosic fibres
GB8424540D0 (en) Producing wood pulp
GB8407438D0 (en) Pulping process
GB2146365B (en) Cleaning fibres
GB2118482B (en) Pulp fiber structure
GB8324943D0 (en) Treating web
JPS57209088A (en) Dehydrating and washing machine
JPS57154489A (en) Pulp bleaching method
GB8308083D0 (en) Pulping process
JPS57209085A (en) Dehydrating and washing machine
ZM3083A1 (en) Absorbent in pulp process

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee