EP3962867A4 - Water softening device - Google Patents

Water softening device Download PDF

Info

Publication number
EP3962867A4
EP3962867A4 EP20929889.2A EP20929889A EP3962867A4 EP 3962867 A4 EP3962867 A4 EP 3962867A4 EP 20929889 A EP20929889 A EP 20929889A EP 3962867 A4 EP3962867 A4 EP 3962867A4
Authority
EP
European Patent Office
Prior art keywords
water softening
softening device
water
softening
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.)
Pending
Application number
EP20929889.2A
Other languages
German (de)
French (fr)
Other versions
EP3962867A1 (en
Inventor
Maciej KOBIELSKI
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.)
Zhejiang Sanhua Intelligent Controls Co Ltd
Aweco Polska Appliance Sp Z OO Sp K
Original Assignee
Zhejiang Sanhua Intelligent Controls Co Ltd
Aweco Polska Appliance Sp Z OO Sp K
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 Zhejiang Sanhua Intelligent Controls Co Ltd, Aweco Polska Appliance Sp Z OO Sp K filed Critical Zhejiang Sanhua Intelligent Controls Co Ltd
Publication of EP3962867A1 publication Critical patent/EP3962867A1/en
Publication of EP3962867A4 publication Critical patent/EP3962867A4/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/42Treatment of water, waste water, or sewage by ion-exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00Ion-exchange processes in general; Apparatus therefor
    • B01J47/02Column or bed processes
    • B01J47/022Column or bed processes characterised by the construction of the column or container
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/006Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/4229Water softening arrangements
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/003Coaxial constructions, e.g. a cartridge located coaxially within another
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/004Seals, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/005Valves
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • C02F2201/006Cartridges
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/03Pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • C02F2301/043Treatment of partial or bypass streams
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/22Eliminating or preventing deposits, scale removal, scale prevention
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00Location of water treatment or water treatment device
    • C02F2307/12Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
EP20929889.2A 2020-04-08 2020-04-08 Water softening device Pending EP3962867A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/083801 WO2021203313A1 (en) 2020-04-08 2020-04-08 Water softening device

Publications (2)

Publication Number Publication Date
EP3962867A1 EP3962867A1 (en) 2022-03-09
EP3962867A4 true EP3962867A4 (en) 2022-12-28

Family

ID=74427508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20929889.2A Pending EP3962867A4 (en) 2020-04-08 2020-04-08 Water softening device

Country Status (3)

Country Link
EP (1) EP3962867A4 (en)
CN (1) CN112351955B (en)
WO (1) WO2021203313A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831754A (en) * 1971-08-16 1974-08-27 Morton Norwich Products Inc Fluid treating apparatus
EP1136447A1 (en) * 2000-03-08 2001-09-26 Barnstead Thermolyne Corporation Water purifying apparatus and method for purifying water
WO2004101443A1 (en) * 2003-05-19 2004-11-25 Biechele Guenter Device for softening water
JP2009131768A (en) * 2007-11-29 2009-06-18 Inax Corp Water purifying and softening device
EP2272801A2 (en) * 2009-06-25 2011-01-12 Aquis Wasser-Luft-Systeme GmbH Lindau, Zweigniederlassung Rebstein Water filter with hardness reducer and remaining hardness stabiliser
WO2014004607A1 (en) * 2012-06-29 2014-01-03 3M Innovative Properties Company Media cartridge with adjustable bypass
US20140144822A1 (en) * 2012-11-26 2014-05-29 Whirlpool Corporation Filter unit with flow regulator

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2043414C2 (en) * 1970-09-02 1982-06-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Water softener for washing or dishwashing machine - has standard salt regenerating vessel connected by non-return valve to ion exchange vessel near water inlet
JP2006263718A (en) * 2005-02-23 2006-10-05 Kuritakku Kk Water-quality regulating device
EP1739060B1 (en) * 2005-06-29 2010-07-28 Nestec S.A. Water treatment system
US10495230B1 (en) * 2014-04-30 2019-12-03 Chandler Systems, Inc. Piston valve with annular passages
CN205222750U (en) * 2015-10-17 2016-05-11 中山市富迪电器有限公司 Demineralizer of circulated use
CN205222751U (en) * 2015-10-17 2016-05-11 中山市富迪电器有限公司 A demineralizer for dish washer
EA039271B1 (en) * 2016-04-22 2021-12-27 Пьюэр Дрэгон Энвайронментал Лтд. Device and method for removal of pollutants from gas streams
CN107162223B (en) * 2017-05-17 2020-01-14 成都百联油田技术服务有限公司 Descaling method
CN207785099U (en) * 2017-06-16 2018-08-31 宁波国普电器有限公司 A kind of breathing softening component of dish-washing machine
CN207347259U (en) * 2017-08-30 2018-05-11 浙江三花智能控制股份有限公司 Dish-washing machine and the water demineralizer for dish-washing machine
WO2019205522A1 (en) * 2018-04-28 2019-10-31 芜湖美的厨卫电器制造有限公司 Water softener valve and water softener
WO2019205524A1 (en) * 2018-04-28 2019-10-31 佛山市美的清湖净水设备有限公司 Water softener
CN210048552U (en) * 2019-04-23 2020-02-11 艾欧史密斯(中国)热水器有限公司 Water distribution device and water softening device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831754A (en) * 1971-08-16 1974-08-27 Morton Norwich Products Inc Fluid treating apparatus
EP1136447A1 (en) * 2000-03-08 2001-09-26 Barnstead Thermolyne Corporation Water purifying apparatus and method for purifying water
WO2004101443A1 (en) * 2003-05-19 2004-11-25 Biechele Guenter Device for softening water
JP2009131768A (en) * 2007-11-29 2009-06-18 Inax Corp Water purifying and softening device
EP2272801A2 (en) * 2009-06-25 2011-01-12 Aquis Wasser-Luft-Systeme GmbH Lindau, Zweigniederlassung Rebstein Water filter with hardness reducer and remaining hardness stabiliser
WO2014004607A1 (en) * 2012-06-29 2014-01-03 3M Innovative Properties Company Media cartridge with adjustable bypass
US20140144822A1 (en) * 2012-11-26 2014-05-29 Whirlpool Corporation Filter unit with flow regulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021203313A1 *

Also Published As

Publication number Publication date
EP3962867A1 (en) 2022-03-09
CN112351955B (en) 2024-05-14
WO2021203313A1 (en) 2021-10-14
CN112351955A (en) 2021-02-09

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Effective date: 20221128

RIC1 Information provided on ipc code assigned before grant

Ipc: A47L 15/42 20060101ALI20221122BHEP

Ipc: B01J 47/022 20170101ALI20221122BHEP

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