NL139894B - Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden. - Google Patents

Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden.

Info

Publication number
NL139894B
NL139894B NL63301183A NL301183A NL139894B NL 139894 B NL139894 B NL 139894B NL 63301183 A NL63301183 A NL 63301183A NL 301183 A NL301183 A NL 301183A NL 139894 B NL139894 B NL 139894B
Authority
NL
Netherlands
Prior art keywords
filtration
control device
liquid flows
several parallel
parallel switched
Prior art date
Application number
NL63301183A
Other languages
English (en)
Original Assignee
Westinghouse Electric 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
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of NL139894B publication Critical patent/NL139894B/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • 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
    • B01D24/10—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 held in a closed container
    • B01D24/12—Downward filtration, the filtering 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering 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
    • B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/20—Pressure-related systems for filters
    • B01D2201/204—Systems for applying vacuum to filters
    • B01D2201/206—Systems for applying vacuum to filters by the weight of the liquid in a tube, e.g. siphon, barometric leg
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2713—Siphons
    • Y10T137/272—Plural
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2713—Siphons
    • Y10T137/2842—With flow starting, stopping or maintaining means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
NL63301183A 1963-02-18 1963-11-29 Stuurinrichting voor de vloeistofstromen in een filtreerinstallatie met verscheidene parallelgeschakelde filtreereenheden. NL139894B (nl)

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
NL139894B true NL139894B (nl) 1973-10-15

Family

ID=22985009

Family Applications (2)

Application Number Title Priority Date Filing Date
NL301183D NL301183A (nl) 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 Before (1)

Application Number Title Priority Date Filing Date
NL301183D NL301183A (nl) 1963-02-18

Country Status (8)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459302A (en) * 1967-04-25 1969-08-05 Hydro Clear Corp Apparatus and method of filtering solids from a liquid effluent
USRE28458E (en) * 1967-04-25 1975-07-01 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
EP2911763A4 (en) * 2012-10-25 2016-08-24 Moon Tuck Mak AUTOMATIC BACKWASH WATER FILTRATION APPARATUS

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
NL301183A (nl) 1900-01-01
DE1461395A1 (de) 1972-03-09
ES291156A1 (es) 1964-02-16
GB990807A (en) 1965-05-05
US3282432A (en) 1966-11-01
CH426730A (de) 1966-12-31
BE643871A (nl) 1964-05-29
DE1461395C3 (de) 1975-10-09
DE1461395B2 (de) 1975-01-30
AT250997B (de) 1966-12-12

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: WESTINGHOUSE

V4 Discontinued because of reaching the maximum lifetime of a patent