NL301183A - - Google Patents

Info

Publication number
NL301183A
NL301183A NL301183DA NL301183A NL 301183 A NL301183 A NL 301183A NL 301183D A NL301183D A NL 301183DA NL 301183 A NL301183 A NL 301183A
Authority
NL
Netherlands
Application number
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.)
Publication date
Publication of NL301183A publication Critical patent/NL301183A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/04Controlling the filtration
    • 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
    • B01D24/002Filters 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
    • B01D24/005Filters being divided into a plurality of cells or compartments
    • 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
    • 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
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/20Pressure-related systems for filters
    • B01D2201/204Systems for applying vacuum to filters
    • B01D2201/206Systems for applying vacuum to filters by the weight of the liquid in a tube, e.g. siphon, barometric leg
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2713Siphons
    • Y10T137/272Plural
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2713Siphons
    • Y10T137/2842With flow starting, stopping or maintaining means
NL301183D 1963-02-18 NL301183A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US259452A US3282432A (en) 1963-02-18 1963-02-18 Multiple unit backwashing filter

Publications (1)

Publication Number Publication Date
NL301183A true NL301183A (xx) 1900-01-01

Family

ID=22985009

Family Applications (2)

Application Number Title Priority Date Filing Date
NL301183D NL301183A (xx) 1963-02-18
NL63301183A NL139894B (nl) 1963-02-18 1963-11-29 Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL63301183A NL139894B (nl) 1963-02-18 1963-11-29 Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden.

Country Status (8)

Country Link
US (1) US3282432A (xx)
AT (1) AT250997B (xx)
BE (1) BE643871A (xx)
CH (1) CH426730A (xx)
DE (1) DE1461395C3 (xx)
ES (1) ES291156A1 (xx)
GB (1) GB990807A (xx)
NL (2) NL139894B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28458E (en) * 1967-04-25 1975-07-01 Apparatus and method of filtering solids from a liquid effluent
US3459302A (en) * 1967-04-25 1969-08-05 Hydro Clear Corp Apparatus and method of filtering solids from a liquid effluent
US4196079A (en) * 1978-12-29 1980-04-01 Harsco Corporation Pleated filter underdrain, method and apparatus
DE2948091A1 (de) * 1979-11-29 1981-06-04 Wabag Wasserreinigungsbau Alfred Kretzschmar Gmbh & Co Kg, 8650 Kulmbach Verfahren zum abfuehren des schlammwassers aus dem innenraum eines filters und filteranlage zur durchfuehrung des verfahrens
US4948402A (en) * 1988-12-09 1990-08-14 Davis Water & Waste Industries, Inc. Modular air scrubber system
US5032294A (en) * 1990-03-13 1991-07-16 Schulz Christopher R Multi-cell gravity filter with central control chamber
US5137645A (en) * 1991-06-28 1992-08-11 Infilco Degremont Inc. Declining rate filter systems and methods
US5288399A (en) * 1992-08-28 1994-02-22 Schulz Christopher R Gravity flow filter with backwash control chamber
FR2705583B1 (fr) * 1993-05-28 1995-08-18 Degremont Perfectionnements apportés aux dispositifs filtrants pour la clarification de liquide notamment d'eau.
US6849180B2 (en) * 2002-06-13 2005-02-01 Usfilter Corporation Flow splitting weir
US6666965B1 (en) * 2002-06-14 2003-12-23 Cornell Research Foundation, Inc. Cellular microbead filter for use in water recirculating system
CN102616888B (zh) * 2011-01-27 2015-04-15 上海市政工程设计研究总院(集团)有限公司 恒液位虹吸自流浸没式膜滤池及其产水方法
AU2012378698B2 (en) * 2012-10-25 2015-10-01 Moon Tuck Mak Water filtration apparatus with automatic backwash

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2395508A (en) * 1941-10-06 1946-02-26 Graver Tank & Mfg Co Liquid treatment
US3134735A (en) * 1961-11-28 1964-05-26 Greenleaf Entpr Inc Open gravity filters

Also Published As

Publication number Publication date
DE1461395C3 (de) 1975-10-09
GB990807A (en) 1965-05-05
CH426730A (de) 1966-12-31
AT250997B (de) 1966-12-12
ES291156A1 (es) 1964-02-16
DE1461395B2 (de) 1975-01-30
BE643871A (xx) 1964-05-29
NL139894B (nl) 1973-10-15
DE1461395A1 (de) 1972-03-09
US3282432A (en) 1966-11-01

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