DK0521888T3 - Fremgangsmåde og apparat til fjernelse af hårde partikler fra spildevand - Google Patents

Fremgangsmåde og apparat til fjernelse af hårde partikler fra spildevand

Info

Publication number
DK0521888T3
DK0521888T3 DK91905389.2T DK91905389T DK0521888T3 DK 0521888 T3 DK0521888 T3 DK 0521888T3 DK 91905389 T DK91905389 T DK 91905389T DK 0521888 T3 DK0521888 T3 DK 0521888T3
Authority
DK
Denmark
Prior art keywords
grit
pct
sewage
bend
passing
Prior art date
Application number
DK91905389.2T
Other languages
Danish (da)
English (en)
Inventor
Bryan Smith
Original Assignee
North West Water Group Plc
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 North West Water Group Plc filed Critical North West Water Group Plc
Application granted granted Critical
Publication of DK0521888T3 publication Critical patent/DK0521888T3/da

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0003—Making of sedimentation devices, structural details thereof, e.g. prefabricated parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B01D21/2416—Liquid distributors with a plurality of feed points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2427—The feed or discharge opening located at a distant position from the side walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/26—Separation of sediment aided by centrifugal force or centripetal force

Landscapes

  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Sewage (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)
  • Filtration Of Liquid (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Physical Water Treatments (AREA)
  • Biological Treatment Of Waste Water (AREA)
DK91905389.2T 1990-03-10 1991-03-08 Fremgangsmåde og apparat til fjernelse af hårde partikler fra spildevand DK0521888T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909005418A GB9005418D0 (en) 1990-03-10 1990-03-10 Method and apparatus for removing grit from sewage

Publications (1)

Publication Number Publication Date
DK0521888T3 true DK0521888T3 (da) 1994-08-15

Family

ID=10672389

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91905389.2T DK0521888T3 (da) 1990-03-10 1991-03-08 Fremgangsmåde og apparat til fjernelse af hårde partikler fra spildevand

Country Status (15)

Country Link
US (1) US5298172A (de)
EP (1) EP0521888B1 (de)
JP (1) JP2868187B2 (de)
AT (1) ATE107386T1 (de)
AU (1) AU640766B2 (de)
BG (1) BG96855A (de)
BR (1) BR9106148A (de)
DE (1) DE69102534T2 (de)
DK (1) DK0521888T3 (de)
ES (1) ES2055596T3 (de)
GB (1) GB9005418D0 (de)
HU (1) HU212539B (de)
RO (1) RO111029B1 (de)
RU (1) RU2074929C1 (de)
WO (1) WO1991014053A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2981960B2 (ja) * 1993-06-04 1999-11-22 アクアテック株式会社 固形物流離分離方法
US5623281A (en) * 1994-09-30 1997-04-22 Texas Instruments Incorporated Error diffusion filter for DMD display
US5498331A (en) * 1994-11-08 1996-03-12 1137361 Ontario Limited Tank interceptor
CA2175277C (en) * 1996-04-29 1999-03-23 Joseph Gordon Monteith Enhanced separator tank
US5902477A (en) * 1997-04-30 1999-05-11 John Vena Combined sewer overflow and storm water diverter screen
GB9909108D0 (en) 1999-04-22 1999-06-16 United Utilities Plc Method and apparatus for removing particulate solids from a fluid stream
AUPQ618400A0 (en) * 2000-03-13 2000-04-06 Baramy Engineering Pty Ltd A gross pollutant trap
AU771664B2 (en) * 2000-03-13 2004-04-01 Baramy Engineering Pty Ltd A gross pollutant trap
US6645382B1 (en) * 2000-11-13 2003-11-11 George E. Wilson Energy-efficient head cell entry duct
US6953528B2 (en) * 2003-07-25 2005-10-11 Nesfield Floyd E Flow control suction barrier apparatus and system
US7157001B2 (en) * 2004-11-24 2007-01-02 Hubbell, Roth & Clark Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater
WO2006107984A1 (en) * 2005-04-05 2006-10-12 Tucker, Randall, L. Collector with adjustable input/discharge to control sediment removal
US20080164190A1 (en) * 2006-11-15 2008-07-10 David Pezzaniti Curbside gross pollution trap
US8025798B2 (en) * 2007-10-24 2011-09-27 MYK Consultant, Inc. Modular biological fluidized bed reactor system
WO2010063107A1 (en) 2008-12-01 2010-06-10 Otv Sa - France Method and apparatus for sewage grit removal
US8460560B2 (en) 2010-06-18 2013-06-11 Smith & Loveless, Inc. Variable influent flow channel baffle
CN114308388B (zh) * 2022-01-05 2023-09-26 中冶华天工程技术有限公司 一种旋转式多级沉降降尘装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US109474A (en) * 1870-11-22 Improvement in underground drains
US48841A (en) * 1865-07-18 Improvement in apparatus for obtaining oil from running streams
DE928210C (de) * 1938-02-09 1955-05-26 Kraftanlagen Ag Vorrichtung zur Ausscheidung eines Mediums groesserer Dichte aus einem Gas- oder Fluessigkeitsstrom
US2673451A (en) * 1950-11-10 1954-03-30 Neyrpic Ets Apparatus for separating suspended material from a fluid stream
DE1129458B (de) * 1957-04-04 1962-05-17 Dr Phil Habil Alexander Goetz Verfahren und Vorrichtung zur quantitativen Abtrennung von in Fluessigkeiten oder Gasen suspendierten Teilchen
FR1344442A (fr) * 1962-10-17 1963-11-29 Fives Lille Cail Séparateur à haut rendement
US3693796A (en) * 1969-08-21 1972-09-26 Bernard Michel Method and apparatus for removal of particles from suspension
US3779385A (en) * 1971-11-30 1973-12-18 Atomic Energy Commission Apparatus for removing oil and other floating contaminants from a moving body of water
US3815742A (en) * 1972-03-23 1974-06-11 Alsthom Cgee Apparatus for and method of automatically removing pollutants from a flowing stream
DE2929139A1 (de) * 1979-07-19 1981-01-29 Klaus Hieronymi Verfahren und vorrichtung zum abtrennen von schwebstoffen aus einer schwebstoffbeladenen fluessigkeit

Also Published As

Publication number Publication date
AU640766B2 (en) 1993-09-02
ATE107386T1 (de) 1994-07-15
EP0521888A1 (de) 1993-01-13
HU212539B (en) 1996-08-29
WO1991014053A1 (en) 1991-09-19
AU7444491A (en) 1991-10-10
EP0521888B1 (de) 1994-06-15
US5298172A (en) 1994-03-29
ES2055596T3 (es) 1994-08-16
DE69102534T2 (de) 1994-09-29
GB9005418D0 (en) 1990-05-09
RU2074929C1 (ru) 1997-03-10
HU9202869D0 (en) 1992-12-28
HUT63214A (en) 1993-07-28
BR9106148A (pt) 1993-03-09
JP2868187B2 (ja) 1999-03-10
RO111029B1 (ro) 1996-06-28
DE69102534D1 (de) 1994-07-21
BG96855A (bg) 1995-04-28
JPH05505004A (ja) 1993-07-29

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