HK1064320A1 - A method of introducing a backwash gas and a backwash liquid to a filter having a filter tank - Google Patents

A method of introducing a backwash gas and a backwash liquid to a filter having a filter tank

Info

Publication number
HK1064320A1
HK1064320A1 HK04107248A HK04107248A HK1064320A1 HK 1064320 A1 HK1064320 A1 HK 1064320A1 HK 04107248 A HK04107248 A HK 04107248A HK 04107248 A HK04107248 A HK 04107248A HK 1064320 A1 HK1064320 A1 HK 1064320A1
Authority
HK
Hong Kong
Prior art keywords
baffle
backwash
liquid
gas
filter
Prior art date
Application number
HK04107248A
Other languages
English (en)
Inventor
Eugen O Bergmann
Richard W Hsieh
John Geibel
Original Assignee
Leopold Co Inc F B
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 Leopold Co Inc F B filed Critical Leopold Co Inc F B
Publication of HK1064320A1 publication Critical patent/HK1064320A1/xx

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/48—Overflow systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Separation Of Particles Using Liquids (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Sewage (AREA)
  • Filtration Of Liquid (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Measuring Volume Flow (AREA)
  • Gas Separation By Absorption (AREA)
HK04107248A 1998-01-29 2004-09-21 A method of introducing a backwash gas and a backwash liquid to a filter having a filter tank HK1064320A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/015,390 US6312611B1 (en) 1996-07-31 1998-01-29 Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes

Publications (1)

Publication Number Publication Date
HK1064320A1 true HK1064320A1 (en) 2005-01-28

Family

ID=21771130

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04107248A HK1064320A1 (en) 1998-01-29 2004-09-21 A method of introducing a backwash gas and a backwash liquid to a filter having a filter tank

Country Status (12)

Country Link
US (2) US6312611B1 (zh)
EP (1) EP0933111B1 (zh)
JP (1) JP4250243B2 (zh)
CN (2) CN1120737C (zh)
AT (1) ATE387252T1 (zh)
BR (1) BR9900308A (zh)
CA (1) CA2260543C (zh)
DE (1) DE69938208T2 (zh)
DK (1) DK0933111T3 (zh)
ES (1) ES2303368T3 (zh)
HK (1) HK1064320A1 (zh)
PT (1) PT933111E (zh)

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US7214427B2 (en) * 2002-03-21 2007-05-08 Aviva Biosciences Corporation Composite beads comprising magnetizable substance and electro-conductive substance
ES2543587T3 (es) 2002-05-17 2015-08-20 Life Technologies Corporation Instrumento óptico que incluye una fuente de excitación
EP1511991B1 (en) 2002-05-17 2015-05-06 Life Technologies Corporation Optical instrument includung excitation source
CA2545276C (en) * 2003-11-05 2016-05-31 The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Carbohydrate antigen-nanoparticle conjugates and uses thereof as antimetastatic agents in treating cancer
CN101247872B (zh) * 2005-05-17 2014-08-27 塞莱默水处理齐利诺普尔有限公司 在使用双重隔离的过滤暗渠水道中进行反冲洗过程时用于配气和配液的装置和方法
US7758750B2 (en) * 2005-08-19 2010-07-20 Rg Delaware, Inc. Flume for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof
US7922903B2 (en) * 2006-10-27 2011-04-12 Rg Delaware, Inc. System and method for uniformly distributing a fluid through a filter bed in a filter
US7736506B2 (en) * 2006-10-27 2010-06-15 Rg Delaware, Inc. System and method for uniformly distributing a fluid through a filter bed in a filter
CN102084003A (zh) 2008-04-04 2011-06-01 生命科技公司 用于成像和测序的扫描系统和方法
GB0818511D0 (en) * 2008-10-09 2008-11-19 Sev Trent Services Ltd Water filtration apparatus
US10112128B2 (en) 2010-01-18 2018-10-30 Xylem Water Solutions Zelienople Llc Apparatus for securing underdrain filter block
TWI533913B (zh) * 2010-01-18 2016-05-21 季利恩歐柏木質部水對策有限責任公司 固定暗渠濾磚之設備及方法
EP2748114A4 (en) * 2011-10-14 2015-07-01 Presby Patent Trust LIQUID WASTE TREATMENT DEVICE
CN104302375A (zh) * 2012-02-06 2015-01-21 塞莱默水处理齐利诺普尔有限公司 具有内部空气分配管道的双平行横向排水沟
US10022654B2 (en) 2012-12-17 2018-07-17 Xylem Water Solutions Zelienople Llc Gas-liquid distribution technique for water or wastewater filters using underdrains
US10913014B2 (en) 2015-03-05 2021-02-09 Xylem Water Solutions Zelienople Llc Multiple rate filter underdrain lateral gas metering plate
CN110913969B (zh) * 2017-05-16 2022-03-29 塞莱默水处理齐利诺普尔有限公司 自清洁无灌浆式过滤器暗渠
CN111957081A (zh) * 2020-07-24 2020-11-20 首创爱华(天津)市政环境工程有限公司 一种滤池配水系统
CN115006892B (zh) * 2022-07-14 2024-02-02 韶关市中群建设有限公司 一种水利工程施工导流排水结构及其施工方法

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Also Published As

Publication number Publication date
CN1483501A (zh) 2004-03-24
EP0933111A2 (en) 1999-08-04
DK0933111T3 (da) 2008-06-30
CN1239008A (zh) 1999-12-22
ES2303368T3 (es) 2008-08-01
CN1263531C (zh) 2006-07-12
CN1120737C (zh) 2003-09-10
ATE387252T1 (de) 2008-03-15
DE69938208T2 (de) 2009-02-26
BR9900308A (pt) 2000-02-22
DE69938208D1 (de) 2008-04-10
EP0933111A3 (en) 2002-01-02
CA2260543A1 (en) 1999-07-29
JPH11262603A (ja) 1999-09-28
EP0933111B1 (en) 2008-02-27
US6312611B1 (en) 2001-11-06
JP4250243B2 (ja) 2009-04-08
US6306310B1 (en) 2001-10-23
PT933111E (pt) 2008-06-05
CA2260543C (en) 2005-05-03

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170128