CA2262626C - Appareil pour distribuer du gaz et du liquide au cours d'une operation de lavage gaz/liquide a contre-courant dans des canaux de jaugeage a fond plat - Google Patents

Appareil pour distribuer du gaz et du liquide au cours d'une operation de lavage gaz/liquide a contre-courant dans des canaux de jaugeage a fond plat Download PDF

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Publication number
CA2262626C
CA2262626C CA002262626A CA2262626A CA2262626C CA 2262626 C CA2262626 C CA 2262626C CA 002262626 A CA002262626 A CA 002262626A CA 2262626 A CA2262626 A CA 2262626A CA 2262626 C CA2262626 C CA 2262626C
Authority
CA
Canada
Prior art keywords
flume
liquid
gas
filter tank
backwash
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 - Lifetime
Application number
CA002262626A
Other languages
English (en)
Other versions
CA2262626A1 (fr
Inventor
Richard W. Hsieh
John Geibel
Eugen O. Bergmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xylem Water Solutions Zelienople LLC
Original Assignee
FB Leopold Co
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 FB Leopold Co filed Critical FB Leopold Co
Publication of CA2262626A1 publication Critical patent/CA2262626A1/fr
Application granted granted Critical
Publication of CA2262626C publication Critical patent/CA2262626C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
CA002262626A 1996-07-31 1997-07-31 Appareil pour distribuer du gaz et du liquide au cours d'une operation de lavage gaz/liquide a contre-courant dans des canaux de jaugeage a fond plat Expired - Lifetime CA2262626C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2311696P 1996-07-31 1996-07-31
US60/023,116 1996-07-31
PCT/US1997/013512 WO1998004332A1 (fr) 1996-07-31 1997-07-31 Appareil pour distribuer du gaz et du liquide au cours d'une operation de lavage gaz/liquide a contre-courant dans des canaux de jaugeage a fond plat

Publications (2)

Publication Number Publication Date
CA2262626A1 CA2262626A1 (fr) 1998-02-05
CA2262626C true CA2262626C (fr) 2005-07-26

Family

ID=21813223

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002262626A Expired - Lifetime CA2262626C (fr) 1996-07-31 1997-07-31 Appareil pour distribuer du gaz et du liquide au cours d'une operation de lavage gaz/liquide a contre-courant dans des canaux de jaugeage a fond plat

Country Status (3)

Country Link
AU (1) AU3743697A (fr)
CA (1) CA2262626C (fr)
WO (1) WO1998004332A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7063787B2 (en) 2001-06-06 2006-06-20 Usfilter Corporation Filter media retaining cap and hold down grid
US6991726B2 (en) 2002-07-01 2006-01-31 Usfilter Corporation Filter having a media retaining plate
US6830684B2 (en) 2002-07-10 2004-12-14 U.S. Filter Corporation Integrated liquid and gas distribution device for underdrain block laterals
KR101365028B1 (ko) * 2005-05-17 2014-02-20 자이럼 워터 솔루션즈 젤리에노플 엘엘씨 필터 암거수로 내의 역세정 중에 이중분리를 이용하여 기체 및 액체를 분배하는 장치 및 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068034A (en) * 1990-05-03 1991-11-26 Unilift Corporation Purification underdrain with means to compensate for flow and pressure differences between laterals
US5328608A (en) * 1992-05-27 1994-07-12 The F.B. Leopold Co., Inc. Mutli-lateral filter underdrain block

Also Published As

Publication number Publication date
WO1998004332A1 (fr) 1998-02-05
CA2262626A1 (fr) 1998-02-05
AU3743697A (en) 1998-02-20

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Effective date: 20170731