EP2533875A4 - Compressed air supply for the operation of moving bed filters - Google Patents

Compressed air supply for the operation of moving bed filters

Info

Publication number
EP2533875A4
EP2533875A4 EP11742549.6A EP11742549A EP2533875A4 EP 2533875 A4 EP2533875 A4 EP 2533875A4 EP 11742549 A EP11742549 A EP 11742549A EP 2533875 A4 EP2533875 A4 EP 2533875A4
Authority
EP
European Patent Office
Prior art keywords
compressed air
air supply
moving bed
bed filters
filters
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.)
Ceased
Application number
EP11742549.6A
Other languages
German (de)
French (fr)
Other versions
EP2533875A1 (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 EP2533875A1 publication Critical patent/EP2533875A1/en
Publication of EP2533875A4 publication Critical patent/EP2533875A4/en
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/36Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed fluidised during the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/28Filters 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46Regenerating the filtering material in the filter
    • B01D24/4668Regenerating the filtering material in the filter by moving the filtering element
    • B01D24/4689Displacement of the filtering material to a compartment of the filtering device for regeneration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D24/00Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/48Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
    • B01D24/4884Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/04Controlling the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D37/00Processes of filtration
    • B01D37/04Controlling the filtration
    • B01D37/046Controlling the filtration by pressure measuring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compressor (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP11742549.6A 2010-02-12 2011-02-11 Compressed air supply for the operation of moving bed filters Ceased EP2533875A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30383210P 2010-02-12 2010-02-12
SE1050143A SE534558C2 (en) 2010-02-12 2010-02-12 Methods and systems for supplying compressed air for operation of filters with variable bed
PCT/SE2011/000024 WO2011099917A1 (en) 2010-02-12 2011-02-11 Compressed air supply for the operation of moving bed filters

Publications (2)

Publication Number Publication Date
EP2533875A1 EP2533875A1 (en) 2012-12-19
EP2533875A4 true EP2533875A4 (en) 2013-07-17

Family

ID=43555043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11742549.6A Ceased EP2533875A4 (en) 2010-02-12 2011-02-11 Compressed air supply for the operation of moving bed filters

Country Status (5)

Country Link
US (1) US20130011274A1 (en)
EP (1) EP2533875A4 (en)
CN (2) CN201739768U (en)
SE (1) SE534558C2 (en)
WO (1) WO2011099917A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10702805B2 (en) 2007-09-19 2020-07-07 Nexom (Us), Inc. Washbox
US7897040B2 (en) 2007-09-19 2011-03-01 Blue Water Technologies, Inc. Washbox
WO2012116404A1 (en) * 2011-03-01 2012-09-07 Nepsus Technologies Pty Ltd Influent treatment process
US20170080360A1 (en) * 2014-05-21 2017-03-23 Nexom (U.S.), Inc. Energy reduction and monitoring control system for backwashing media systems
CN104950933B (en) * 2015-05-29 2020-07-14 湖北绿色家园材料技术股份有限公司 Stabilizer for system steam pressure
CN113309186B (en) * 2021-05-31 2022-04-19 北控水务(中国)投资有限公司 Water purification plant clean water pool water level management energy-saving control method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09158846A (en) * 1995-12-05 1997-06-17 Mitsubishi Heavy Ind Ltd Air compressing unit
US5730886A (en) * 1994-12-13 1998-03-24 Ashbrook-Simon-Hartley Corporation Continuous self-cleaning filtration unit
CN201306269Y (en) * 2008-09-24 2009-09-09 东营市天信纺织有限公司 Pressure constant device controlled by frequency converter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU474911B2 (en) * 1972-05-30 1976-08-05 Universal Oil Products Company Dense bed afterburning control ina catalytic regeneration zone
US3891410A (en) * 1973-07-30 1975-06-24 Paul M Hankison Dehydrating compressed air and gases
US4558990A (en) * 1980-05-12 1985-12-17 Marco Seattle, Inc. Composite pumping system
US7381336B2 (en) * 2003-10-14 2008-06-03 Mm Filtration Company Automated water treatment system and method of use
JP4417178B2 (en) * 2004-05-31 2010-02-17 株式会社日立産機システム Compressed air production system
GB2475245A (en) * 2009-11-10 2011-05-18 Lothar Peter Schmitz Compressor assembly with planetary gear means

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730886A (en) * 1994-12-13 1998-03-24 Ashbrook-Simon-Hartley Corporation Continuous self-cleaning filtration unit
JPH09158846A (en) * 1995-12-05 1997-06-17 Mitsubishi Heavy Ind Ltd Air compressing unit
CN201306269Y (en) * 2008-09-24 2009-09-09 东营市天信纺织有限公司 Pressure constant device controlled by frequency converter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011099917A1 *

Also Published As

Publication number Publication date
CN201739768U (en) 2011-02-09
CN102781536A (en) 2012-11-14
SE1050143A1 (en) 2011-08-13
WO2011099917A1 (en) 2011-08-18
EP2533875A1 (en) 2012-12-19
SE534558C2 (en) 2011-10-04
US20130011274A1 (en) 2013-01-10

Similar Documents

Publication Publication Date Title
EP2532280A4 (en) Air mattress
EP2532279A4 (en) Air mattress
EP2532281A4 (en) Air mattress
GB2483840B (en) Air filter
EP2752231A4 (en) Filter medium for air filter and air filter unit
EP2532561A4 (en) Vehicle compressed air supply device
ZA201407356B (en) Clean air supply for operating table
EP2750151A4 (en) Compressed powder compact
EP2700417A4 (en) Air purifier
PL2570318T3 (en) Compressed air preparation unit
EP2644895A4 (en) Compressed air supply device
GB0920207D0 (en) Pneumatic mattress
PL2570316T3 (en) Compressed air supply device for a commercial vehicle
EP2695657A4 (en) Compressed air purifier
PL2535029T3 (en) Medical air mattress
EP2533875A4 (en) Compressed air supply for the operation of moving bed filters
PL2368733T3 (en) Device for automatically cleaning air filters
EP2754479A4 (en) Air filter
PL2468142T3 (en) Box-spring bed
GB2474835B (en) Air filter
PL2513567T3 (en) Supply air unit
EP2722061A4 (en) Air purifier
PL2385913T3 (en) Compressed air supply device
GB201016651D0 (en) Compressed air generator
GB2470065B (en) Compressed air powerflush

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

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120816

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

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20130613

RIC1 Information provided on ipc code assigned before grant

Ipc: B01D 33/00 20060101ALI20130607BHEP

Ipc: B01D 37/04 20060101ALI20130607BHEP

Ipc: B01D 24/48 20060101ALI20130607BHEP

Ipc: B01D 24/28 20060101AFI20130607BHEP

Ipc: B01D 24/46 20060101ALI20130607BHEP

17Q First examination report despatched

Effective date: 20130912

REG Reference to a national code

Ref country code: DE

Ref legal event code: R003

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

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20171113