DE904648C - Liquid filter - Google Patents

Liquid filter

Info

Publication number
DE904648C
DE904648C DEP6284D DEP0006284D DE904648C DE 904648 C DE904648 C DE 904648C DE P6284 D DEP6284 D DE P6284D DE P0006284 D DEP0006284 D DE P0006284D DE 904648 C DE904648 C DE 904648C
Authority
DE
Germany
Prior art keywords
liquid filter
filter
liquid
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
DEP6284D
Other languages
German (de)
Inventor
Alfred Kretzschmar
Original Assignee
Alfred Kretzschmar
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 Alfred Kretzschmar filed Critical Alfred Kretzschmar
Priority to DEP6284D priority Critical patent/DE904648C/en
Application granted granted Critical
Publication of DE904648C publication Critical patent/DE904648C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4631Counter-current flushing, e.g. by air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02Filters 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
    • B01D24/10Filters 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 held in a closed container
    • B01D24/12Downward filtration, the filtering material being supported by pervious surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/08Regeneration of the filter
    • B01D2201/087Regeneration of the filter using gas bubbles, e.g. air
DEP6284D 1948-10-02 1948-10-02 Liquid filter Expired DE904648C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP6284D DE904648C (en) 1948-10-02 1948-10-02 Liquid filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP6284D DE904648C (en) 1948-10-02 1948-10-02 Liquid filter

Publications (1)

Publication Number Publication Date
DE904648C true DE904648C (en) 1954-02-22

Family

ID=581280

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP6284D Expired DE904648C (en) 1948-10-02 1948-10-02 Liquid filter

Country Status (1)

Country Link
DE (1) DE904648C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055504B (en) * 1955-01-12 1959-04-23 Forschungsgesellschaft Wabag Mud trough with overflow pipes for backwashable filter systems
DE1142797B (en) * 1961-01-12 1963-01-24 Forschungsgesellschaft Wabag Device for purifying water using a suspended solids contact system and method for backwashing the same
DE1284397B (en) * 1958-09-29 1968-12-05 Octrooien Mij Activit Nv Liquid filter with grainy filter material
DE1642844B1 (en) * 1967-02-03 1972-01-20 Maschinefabriek Reineveld N V Cleaning device for liquids with a grainy ion exchange mass and drainage grate
DE3007007A1 (en) * 1980-02-25 1981-09-03 Georg Plura Cleaning water-filtering material - by downward flush of water produced by sudden release of internal air pressure
DE102004025998A1 (en) * 2004-05-27 2005-12-29 Wallace & Tiernan Gmbh Filtration of swimming pool water through packed bed, introduces gas under pressure into reservoir head space to displace corresponding quantity of water

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365221A (en) * 1942-02-28 1944-12-19 Dorr Co Inc Apparatus and method for conducting ionic exchange operations

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365221A (en) * 1942-02-28 1944-12-19 Dorr Co Inc Apparatus and method for conducting ionic exchange operations

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055504B (en) * 1955-01-12 1959-04-23 Forschungsgesellschaft Wabag Mud trough with overflow pipes for backwashable filter systems
DE1284397B (en) * 1958-09-29 1968-12-05 Octrooien Mij Activit Nv Liquid filter with grainy filter material
DE1142797B (en) * 1961-01-12 1963-01-24 Forschungsgesellschaft Wabag Device for purifying water using a suspended solids contact system and method for backwashing the same
DE1642844B1 (en) * 1967-02-03 1972-01-20 Maschinefabriek Reineveld N V Cleaning device for liquids with a grainy ion exchange mass and drainage grate
DE3007007A1 (en) * 1980-02-25 1981-09-03 Georg Plura Cleaning water-filtering material - by downward flush of water produced by sudden release of internal air pressure
DE102004025998A1 (en) * 2004-05-27 2005-12-29 Wallace & Tiernan Gmbh Filtration of swimming pool water through packed bed, introduces gas under pressure into reservoir head space to displace corresponding quantity of water
DE102004025998B4 (en) * 2004-05-27 2007-04-12 Siemens Ag Method and device for filtering process water

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