CA1090712A - Filtre a plusieurs couches lave a contre-courant par deplacement d'une plaque d'obturation - Google Patents

Filtre a plusieurs couches lave a contre-courant par deplacement d'une plaque d'obturation

Info

Publication number
CA1090712A
CA1090712A CA281,165A CA281165A CA1090712A CA 1090712 A CA1090712 A CA 1090712A CA 281165 A CA281165 A CA 281165A CA 1090712 A CA1090712 A CA 1090712A
Authority
CA
Canada
Prior art keywords
hood
liquid
invention defined
backwash
filter
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
CA281,165A
Other languages
English (en)
Inventor
Anders Lindstol
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.)
Ecodyne Corp
Original Assignee
Ecodyne 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
Priority claimed from US05/802,927 external-priority patent/US4082664A/en
Application filed by Ecodyne Corp filed Critical Ecodyne Corp
Application granted granted Critical
Publication of CA1090712A publication Critical patent/CA1090712A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/004—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/005—Filters being divided into a plurality of cells or compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
    • B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
CA281,165A 1976-07-22 1977-06-22 Filtre a plusieurs couches lave a contre-courant par deplacement d'une plaque d'obturation Expired CA1090712A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US69977576A 1976-07-22 1976-07-22
US05/802,927 US4082664A (en) 1976-07-22 1977-06-02 Filter and method
US802,927 1977-06-02
US699,775 1985-02-08

Publications (1)

Publication Number Publication Date
CA1090712A true CA1090712A (fr) 1980-12-02

Family

ID=27106490

Family Applications (1)

Application Number Title Priority Date Filing Date
CA281,165A Expired CA1090712A (fr) 1976-07-22 1977-06-22 Filtre a plusieurs couches lave a contre-courant par deplacement d'une plaque d'obturation

Country Status (7)

Country Link
JP (1) JPS5322665A (fr)
AR (1) AR213442A1 (fr)
AU (1) AU508535B2 (fr)
CA (1) CA1090712A (fr)
DE (1) DE2733025A1 (fr)
GB (1) GB1582654A (fr)
IT (1) IT1079985B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8104453A (nl) * 1981-09-29 1983-04-18 Norbertus Wouter Hendrik Verdu Continufilter.
DE3151189C1 (de) * 1981-12-23 1983-07-21 Cojafex B.V., 3011 Rotterdam Vorrichtung zum Abscheiden von Suspensa aus einem unter Druck stehenden Fluid
DE4101332A1 (de) * 1991-01-18 1992-07-23 Ibo W Grimmel Abwassertechnik Vorrichtung zum reinigen von abwasser
FR2705583B1 (fr) * 1993-05-28 1995-08-18 Degremont Perfectionnements apportés aux dispositifs filtrants pour la clarification de liquide notamment d'eau.

Also Published As

Publication number Publication date
DE2733025A1 (de) 1978-01-26
JPS5322665A (en) 1978-03-02
GB1582654A (en) 1981-01-14
IT1079985B (it) 1985-05-16
AU508535B2 (en) 1980-03-27
AR213442A1 (es) 1979-01-31
AU2669977A (en) 1979-01-04

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Legal Events

Date Code Title Description
MKEX Expiry