NO862755D0 - Fremgangsmaate og system for rensing av et filtersjikt. - Google Patents

Fremgangsmaate og system for rensing av et filtersjikt.

Info

Publication number
NO862755D0
NO862755D0 NO862755A NO862755A NO862755D0 NO 862755 D0 NO862755 D0 NO 862755D0 NO 862755 A NO862755 A NO 862755A NO 862755 A NO862755 A NO 862755A NO 862755 D0 NO862755 D0 NO 862755D0
Authority
NO
Norway
Prior art keywords
cleaning
procedure
filter layer
filter
layer
Prior art date
Application number
NO862755A
Other languages
English (en)
Other versions
NO862755L (no
Inventor
Kenneth A Walker
Original Assignee
Environmental Elements 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 Environmental Elements Corp filed Critical Environmental Elements Corp
Publication of NO862755D0 publication Critical patent/NO862755D0/no
Publication of NO862755L publication Critical patent/NO862755L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • 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
    • B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
    • B01D24/4647—Counter-current flushing, e.g. by air with valves, e.g. rotating valves with a rectilinear movement of the closing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
    • B01D41/02—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of loose filtering material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Treatment Of Sludge (AREA)
NO862755A 1985-07-29 1986-07-08 Fremgangsmaate og system for rensing av et filtersjikt. NO862755L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/760,258 US4617131A (en) 1985-07-29 1985-07-29 Method and system of cleansing a filter bed
US06/913,338 US4764288A (en) 1985-07-29 1986-09-30 Method and system for cleansing a filter bed

Publications (2)

Publication Number Publication Date
NO862755D0 true NO862755D0 (no) 1986-07-08
NO862755L NO862755L (no) 1987-01-30

Family

ID=39639473

Family Applications (1)

Application Number Title Priority Date Filing Date
NO862755A NO862755L (no) 1985-07-29 1986-07-08 Fremgangsmaate og system for rensing av et filtersjikt.

Country Status (13)

Country Link
US (2) US4617131A (no)
EP (2) EP0213000A3 (no)
JP (1) JPS6249920A (no)
KR (1) KR900004581B1 (no)
CN (2) CN86104373A (no)
AU (2) AU5799186A (no)
BR (2) BR8602891A (no)
CA (2) CA1288059C (no)
DK (2) DK357886A (no)
IN (1) IN165844B (no)
MX (1) MX160798A (no)
NO (1) NO862755L (no)
ZA (1) ZA864188B (no)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4617131A (en) * 1985-07-29 1986-10-14 Environmental Elements Corp. Method and system of cleansing a filter bed
US4895618A (en) * 1987-12-28 1990-01-23 Afora Oy Method of controlling alkaline pulping process
US4983308A (en) * 1989-12-18 1991-01-08 Zimpro/Passavant Inc. Automatic chemical cleaning of granular medium filters
US5089117A (en) * 1990-08-01 1992-02-18 Infilco Degremont Inc. Apparatus for sequentially backwashing a plurality of seriate filter beds
US5147560A (en) * 1990-08-01 1992-09-15 Infilco Degremont Inc. Method for monitoring turbidity of waste liquid in backwashing filter beds
US5288398A (en) * 1993-03-02 1994-02-22 Infilco Degremont Inc. Filter bed backwashing devices and methods
US5554281A (en) * 1993-05-28 1996-09-10 Davis Water & Waste Industries, Inc. Traveling bridge filter system and associated underdrain
US5476584A (en) * 1993-10-14 1995-12-19 Davis Water & Waste Industries, Inc. Backwash/rewash traveling bridge filter and related process
US5552045A (en) * 1996-01-26 1996-09-03 Infilco Degremont Inc. Sliding shoe unit for automatic backwash filters
US5618421A (en) * 1996-02-26 1997-04-08 Infilco Degremont Inc. Underdrain filter plate installations in automatic backwash filter systems
US5792359A (en) * 1996-07-08 1998-08-11 U.S. Filter Corporation Sealing shoe for celless travelling bridge filter
US5759412A (en) * 1996-09-20 1998-06-02 United States Filter Corporation Control method and apparatus for backwash of filter media bed based water volume in filter basin
US6093329A (en) * 1996-10-04 2000-07-25 United States Filter Corporation Air scour/backwash apparatus for celless traveling bridge filter
US6616852B2 (en) * 2001-06-28 2003-09-09 Rg Delaware, Inc. Modular filter system
US6942795B2 (en) * 2003-01-31 2005-09-13 Rg Delaware, Inc. Modular filter system and method of repairing and/or replacing components thereof
KR200446270Y1 (ko) * 2009-07-01 2009-10-13 방병훈 제균 필터 멸균장치
CN102847357A (zh) * 2012-08-24 2013-01-02 北京科净源科技股份有限公司 液体过滤***
US9421498B2 (en) * 2012-11-12 2016-08-23 Pall Corporation Systems and methods for conditioning a filter assembly
US9656197B2 (en) * 2012-11-12 2017-05-23 Pall Corporation Systems and methods for conditioning a filter assembly
KR101780952B1 (ko) * 2017-03-16 2017-09-26 삼건세기(주) 밸러스트수 여과 처리장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB473480A (en) * 1936-03-13 1937-10-13 Frank Pullen Candy Improvements in the cleaning of filters
US2302449A (en) * 1940-03-21 1942-11-17 William C Laughlin Filter apparatus
US3239061A (en) * 1963-06-05 1966-03-08 Koppers Co Inc Automatic backwash sand filter and process of cleaning same
GB1162913A (en) * 1967-06-13 1969-09-04 Paterson Candy Internat Ltd Improvements relating to filters with granular beds
US3907686A (en) * 1973-08-03 1975-09-23 Nasa Filter regeneration systems
US4133766A (en) * 1977-03-11 1979-01-09 Koppers Company, Inc. Filter media support and containment system
US4152265A (en) * 1977-08-19 1979-05-01 Aqua-Aerobic Systems, Inc. Filter apparatus
JPS5588812A (en) * 1978-12-27 1980-07-04 Hitachi Metals Ltd Filtering and washing method
US4312764A (en) * 1980-09-11 1982-01-26 Amsted Industries Incorporated Filtration system with bi-flow filter
DE3205361A1 (de) * 1982-02-15 1983-08-25 Daniel Dipl.-Ing. 4640 Wattenscheid Pacik Verfahren und vorrichtung zur erzeugung eines pulsierenden fluessigkeitsstromes
AU1797783A (en) * 1982-09-27 1984-04-05 Amsted Industries Incorporated Filtering system
US4454034A (en) * 1983-05-19 1984-06-12 Aqua-Aerobic Systems, Inc. Filter apparatus
US4540487A (en) * 1984-05-29 1985-09-10 Aqua-Aerobic Systems, Inc. Filter apparatus
US4617131A (en) * 1985-07-29 1986-10-14 Environmental Elements Corp. Method and system of cleansing a filter bed

Also Published As

Publication number Publication date
BR8705034A (pt) 1988-05-24
DK357886A (da) 1987-01-30
AU5799186A (en) 1987-02-05
KR900004581B1 (ko) 1990-06-30
NO862755L (no) 1987-01-30
DK357886D0 (da) 1986-07-28
MX160798A (es) 1990-05-23
US4764288A (en) 1988-08-16
ZA864188B (en) 1987-08-26
EP0213000A2 (en) 1987-03-04
BR8602891A (pt) 1987-02-17
KR870000953A (ko) 1987-03-10
EP0262992A1 (en) 1988-04-06
US4617131A (en) 1986-10-14
AU6708586A (en) 1988-04-14
DK44787A (da) 1988-03-31
EP0213000A3 (en) 1988-06-01
CN86108262A (zh) 1988-04-13
CA1292190C (en) 1991-11-19
CA1288059C (en) 1991-08-27
DK44787D0 (da) 1987-01-28
IN165844B (no) 1990-01-27
JPS6249920A (ja) 1987-03-04
CN86104373A (zh) 1987-02-18

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