EP2852451A4 - Continuous sand filter plant with fluid distributors - Google Patents

Continuous sand filter plant with fluid distributors

Info

Publication number
EP2852451A4
EP2852451A4 EP13793691.0A EP13793691A EP2852451A4 EP 2852451 A4 EP2852451 A4 EP 2852451A4 EP 13793691 A EP13793691 A EP 13793691A EP 2852451 A4 EP2852451 A4 EP 2852451A4
Authority
EP
European Patent Office
Prior art keywords
sand filter
filter plant
continuous sand
fluid distributors
distributors
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.)
Withdrawn
Application number
EP13793691.0A
Other languages
German (de)
French (fr)
Other versions
EP2852451A1 (en
Inventor
Hans F Larsson
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.)
Nordic Water Products AB
Original Assignee
Nordic Water Products AB
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 Nordic Water Products AB filed Critical Nordic Water Products AB
Publication of EP2852451A1 publication Critical patent/EP2852451A1/en
Publication of EP2852451A4 publication Critical patent/EP2852451A4/en
Withdrawn legal-status Critical Current

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
    • B01D24/38—Feed or discharge devices
    • B01D24/40—Feed or discharge devices for feeding
    • 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
    • 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
    • B01D24/28—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed moving during the filtration
    • B01D24/30—Translation
    • 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
    • B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
    • B01D24/4689—Displacement of the filtering material to a compartment of the filtering device for regeneration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
EP13793691.0A 2012-05-23 2013-05-22 Continuous sand filter plant with fluid distributors Withdrawn EP2852451A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250518 2012-05-23
PCT/SE2013/050586 WO2013176616A1 (en) 2012-05-23 2013-05-22 Continuous sand filter plant with fluid distributors

Publications (2)

Publication Number Publication Date
EP2852451A1 EP2852451A1 (en) 2015-04-01
EP2852451A4 true EP2852451A4 (en) 2016-02-24

Family

ID=47934738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13793691.0A Withdrawn EP2852451A4 (en) 2012-05-23 2013-05-22 Continuous sand filter plant with fluid distributors

Country Status (4)

Country Link
EP (1) EP2852451A4 (en)
CN (2) CN202822936U (en)
IN (1) IN2014MN02597A (en)
WO (1) WO2013176616A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103657173A (en) * 2013-12-12 2014-03-26 王强 Upward flow filtering device using homogeneous heavy thick filter material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011057665A1 (en) * 2009-11-11 2011-05-19 Nordic Water Products Ab A method for the treatment of water and wastewater
JP2011200776A (en) * 2010-03-25 2011-10-13 Takuma Co Ltd Sand filter apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197201A (en) * 1976-03-03 1980-04-08 Rederiaktiebolaget Nordstjernan Apparatus for the filtration of a suspension or emulsion
US4126546B1 (en) 1977-02-23 1993-05-18 Axel Johnson Engineering Ab Method for the filtration of a suspension or emulsion
SE429128B (en) 1976-11-29 1983-08-15 Nordstjernan Rederi Ab PROCEDURE FOR SEPARATING POLLUTANTS IN WATER SUSPENSIONS OR EMULSIONS
DE7816518U1 (en) * 1978-06-02 1978-09-28 Passavant Werke Device for fine filtering of water or waste water
SE470155B (en) * 1991-04-16 1993-11-22 Nordic Water Prod Ab Blowing a gas into a granular filter bed
US5558763A (en) * 1993-06-24 1996-09-24 Hitachi Plant Engineering & Construction Co., Ltd. Sewage treatment system with air jetting means
TW296654U (en) * 1996-05-23 1997-01-21 Mao-Sheng Lin Improved structure for continuous sand filter
FR2755620B1 (en) * 1996-11-14 1998-12-24 Jean Voisin Sa INSTALLATION FOR A SOLID WASTEWATER TREATMENT BY FILTRATION-PERCOLATION ON SAND
CN2313656Y (en) * 1997-11-18 1999-04-14 张富华 Continuous filter
JP3824583B2 (en) * 2001-04-04 2006-09-20 日本碍子株式会社 Rainwater treatment device in combined sewer and its backwash method
CN201524479U (en) * 2009-07-03 2010-07-14 北京沃特林克环境工程有限公司 Filter system for active sand

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011057665A1 (en) * 2009-11-11 2011-05-19 Nordic Water Products Ab A method for the treatment of water and wastewater
JP2011200776A (en) * 2010-03-25 2011-10-13 Takuma Co Ltd Sand filter apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013176616A1 *

Also Published As

Publication number Publication date
IN2014MN02597A (en) 2015-07-24
CN202822936U (en) 2013-03-27
WO2013176616A1 (en) 2013-11-28
EP2852451A1 (en) 2015-04-01
CN104736215A (en) 2015-06-24

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20141218

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160126

RIC1 Information provided on ipc code assigned before grant

Ipc: B01D 24/40 20060101AFI20160120BHEP

Ipc: B01D 24/16 20060101ALI20160120BHEP

Ipc: B01D 24/30 20060101ALI20160120BHEP

Ipc: B01D 24/46 20060101ALI20160120BHEP

Ipc: B01D 24/00 20060101ALI20160120BHEP

17Q First examination report despatched

Effective date: 20180124

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20190918