CH679126A5 - - Google Patents

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Publication number
CH679126A5
CH679126A5 CH3578/89A CH357889A CH679126A5 CH 679126 A5 CH679126 A5 CH 679126A5 CH 3578/89 A CH3578/89 A CH 3578/89A CH 357889 A CH357889 A CH 357889A CH 679126 A5 CH679126 A5 CH 679126A5
Authority
CH
Switzerland
Prior art keywords
pipe
air outlet
drainage pipe
outlet openings
openings
Prior art date
Application number
CH3578/89A
Other languages
German (de)
English (en)
Inventor
Juergen Gnieser
Ernst Keller
Siegfried Widmayer
Original Assignee
Sulzer Ag
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 Sulzer Ag filed Critical Sulzer Ag
Priority to CH3578/89A priority Critical patent/CH679126A5/de
Priority to EP90810656A priority patent/EP0421920A1/de
Publication of CH679126A5 publication Critical patent/CH679126A5/de

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
    • B01D24/02—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
    • B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
CH3578/89A 1989-10-02 1989-10-02 CH679126A5 (enExample)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH3578/89A CH679126A5 (enExample) 1989-10-02 1989-10-02
EP90810656A EP0421920A1 (de) 1989-10-02 1990-08-30 Drainagerohr für eine rückspülbare Drainagerohrfilteranlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3578/89A CH679126A5 (enExample) 1989-10-02 1989-10-02

Publications (1)

Publication Number Publication Date
CH679126A5 true CH679126A5 (enExample) 1991-12-31

Family

ID=4259015

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3578/89A CH679126A5 (enExample) 1989-10-02 1989-10-02

Country Status (2)

Country Link
EP (1) EP0421920A1 (enExample)
CH (1) CH679126A5 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018881A1 (de) * 1995-11-17 1997-05-29 Ct Umwelttechnik Ag Rückspülbares filterbecken mit drainagerohren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110913969B (zh) * 2017-05-16 2022-03-29 塞莱默水处理齐利诺普尔有限公司 自清洁无灌浆式过滤器暗渠

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1747470A (en) * 1927-03-29 1930-02-18 Wm B Scaife & Sons Co Water-treating apparatus
DE499522C (de) * 1924-01-29 1930-06-07 William Paterson Filter mit Waschwasserverteilungskanaelen
US1998279A (en) * 1934-03-30 1935-04-16 Hungerford And Terry Inc Filter
DE647368C (de) * 1935-01-25 1937-07-02 Oskar Brandes Vorrichtung zum Rueckspuelen von Fluessigkeitsfiltern
US3544457A (en) * 1968-03-28 1970-12-01 Ethyl Corp Process and apparatus for fluid treatment
CH668559A5 (de) * 1986-02-11 1989-01-13 Sulzer Ag Drainagerohr in einer rueckspuelbaren drainagerohr-filteranlage.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE449522C (de) * 1924-08-30 1927-09-16 Breitschuh & Vorbrodt Vorrichtung zum Saettigen der Luft

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE499522C (de) * 1924-01-29 1930-06-07 William Paterson Filter mit Waschwasserverteilungskanaelen
US1747470A (en) * 1927-03-29 1930-02-18 Wm B Scaife & Sons Co Water-treating apparatus
US1998279A (en) * 1934-03-30 1935-04-16 Hungerford And Terry Inc Filter
DE647368C (de) * 1935-01-25 1937-07-02 Oskar Brandes Vorrichtung zum Rueckspuelen von Fluessigkeitsfiltern
US3544457A (en) * 1968-03-28 1970-12-01 Ethyl Corp Process and apparatus for fluid treatment
CH668559A5 (de) * 1986-02-11 1989-01-13 Sulzer Ag Drainagerohr in einer rueckspuelbaren drainagerohr-filteranlage.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997018881A1 (de) * 1995-11-17 1997-05-29 Ct Umwelttechnik Ag Rückspülbares filterbecken mit drainagerohren

Also Published As

Publication number Publication date
EP0421920A1 (de) 1991-04-10

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Legal Events

Date Code Title Description
PL Patent ceased
PLX Patent declared invalid from date of grant onwards