CA1014073A - Contrarotating drum filter with fluid biased baffles - Google Patents

Contrarotating drum filter with fluid biased baffles

Info

Publication number
CA1014073A
CA1014073A CA168,654A CA168654A CA1014073A CA 1014073 A CA1014073 A CA 1014073A CA 168654 A CA168654 A CA 168654A CA 1014073 A CA1014073 A CA 1014073A
Authority
CA
Canada
Prior art keywords
contrarotating
drum filter
baffles
fluid biased
fluid
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
CA168,654A
Other versions
CA168654S (en
Inventor
Oscar Luthi
Lawrence A. Carlsmith
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.)
Improved Machinery Inc
Original Assignee
Improved Machinery Inc
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 Improved Machinery Inc filed Critical Improved Machinery Inc
Application granted granted Critical
Publication of CA1014073A publication Critical patent/CA1014073A/en
Expired legal-status Critical Current

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
    • D21F1/60—Cylinder moulds
    • 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
    • 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
    • B01D33/58—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
    • B01D33/644—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 plates, membranes
    • 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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • 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
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/34—Seals or gaskets for filtering elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Filtering Materials (AREA)
CA168,654A 1972-05-15 1973-04-11 Contrarotating drum filter with fluid biased baffles Expired CA1014073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25319872A 1972-05-15 1972-05-15

Publications (1)

Publication Number Publication Date
CA1014073A true CA1014073A (en) 1977-07-19

Family

ID=22959288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,654A Expired CA1014073A (en) 1972-05-15 1973-04-11 Contrarotating drum filter with fluid biased baffles

Country Status (10)

Country Link
JP (1) JPS5443602B2 (en)
AU (1) AU469448B2 (en)
BR (1) BR7303440D0 (en)
CA (1) CA1014073A (en)
DE (1) DE2322155C2 (en)
FI (1) FI57455C (en)
FR (1) FR2184877B1 (en)
GB (1) GB1388079A (en)
NO (1) NO142410C (en)
SE (2) SE410019B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545030C2 (en) * 1975-10-08 1983-01-13 Klöckner-Humboldt-Deutz AG, 5000 Köln Double drum filters, especially vacuum filters
JPS5527478A (en) * 1978-08-19 1980-02-27 Hitachi Kiden Kogyo Ltd Dehydrator
JPS5811760A (en) * 1981-07-16 1983-01-22 Hitachi Metals Ltd Aluminum alloy for casting
JPS5864338A (en) * 1981-10-12 1983-04-16 Mitsubishi Keikinzoku Kogyo Kk Aluminum alloy for high pressure solidification and casting
US4702845A (en) * 1986-02-06 1987-10-27 Amsted Industries Incorporated Rotary drum filter
JPH0511414Y2 (en) * 1986-04-17 1993-03-22
AT401185B (en) * 1994-10-14 1996-07-25 Andritz Patentverwaltung DEVICE FOR DRAINAGE AND OR OR WASHING SUSPENSIONS, ESPECIALLY FIBROUS SUSPENSIONS
DE19715783A1 (en) * 1997-03-06 1998-09-10 Voith Sulzer Stoffaufbereitung Fibre suspension water extraction method
SE532099C2 (en) * 2007-12-13 2009-10-20 Metso Paper Inc Apparatus for washing and dewatering pulp, systems for controlling such apparatus, and method for processing pulp in such apparatus
SE532366C2 (en) * 2008-04-23 2009-12-22 Metso Paper Inc Distribution device for dispensing cellulose pulp
SE533686C2 (en) * 2009-04-09 2010-12-07 Andritz Oy Pressure for dewatering a suspension, and ways of cleaning it
SE540916C2 (en) * 2016-09-15 2018-12-18 Valmet Oy An apparatus for washing and dewatering pulp, a system for controlling such an apparatus, and a method for processing pulp in such an apparatus
KR102597565B1 (en) * 2021-05-03 2023-11-06 성균관대학교산학협력단 Pcr apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602549A (en) * 1945-10-02 1952-07-08 Peterson Filters & Eng Filtering apparatus
SE307508B (en) * 1963-04-03 1969-01-07 Svenska Cellulosa Ab

Also Published As

Publication number Publication date
FI57455B (en) 1980-04-30
JPS5443602B2 (en) 1979-12-21
NO142410B (en) 1980-05-05
BR7303440D0 (en) 1974-07-18
FR2184877B1 (en) 1982-07-09
FI57455C (en) 1980-08-11
AU469448B2 (en) 1976-02-12
SE7609878L (en) 1976-09-07
NO142410C (en) 1980-08-20
DE2322155A1 (en) 1974-01-17
FR2184877A1 (en) 1973-12-28
JPS4947602A (en) 1974-05-08
GB1388079A (en) 1975-03-19
SE410019B (en) 1979-09-17
DE2322155C2 (en) 1981-11-12
AU5442573A (en) 1974-10-17
SE428707B (en) 1983-07-18

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