TWI256376B - Water purifier - Google Patents

Water purifier

Info

Publication number
TWI256376B
TWI256376B TW89127009A TW89127009A TWI256376B TW I256376 B TWI256376 B TW I256376B TW 89127009 A TW89127009 A TW 89127009A TW 89127009 A TW89127009 A TW 89127009A TW I256376 B TWI256376 B TW I256376B
Authority
TW
Taiwan
Prior art keywords
filter
filter medium
raw water
nonwoven fabric
purified water
Prior art date
Application number
TW89127009A
Other languages
Chinese (zh)
Inventor
Yoshiyuki Nagamatsu
Mitsuhiro Matsuzaki
Tokiwa Ohtani
Hiroshige Takabayashi
Original Assignee
Yaskawa Electric Corp
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 Yaskawa Electric Corp filed Critical Yaskawa Electric Corp
Application granted granted Critical
Publication of TWI256376B publication Critical patent/TWI256376B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2055—Carbonaceous material
    • B01D39/2058—Carbonaceous material the material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0618—Non-woven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)

Abstract

A water purifier capable of preventing the mixing-in of chlorine-resisting protozoa such as giardia and cryptosporidium, removing harmful components such as trihalomethane, and providing safe purified water for an extended period and constantly, the purifier comprising a cylindrical tank (1) having a raw water inlet (2) and a purified water outlet (3), a raw water passage (4) provided on the inner wall side of the tank and communicating with the raw water inlet, a cylindrical element provided on the inner side of the raw water passage and consisting of a nonwoven fabric filter (7) and a filter medium, a water collecting pipe (5) provided at the center of the element and communicating with the purified water outlet, and a retaining member (14) for enclosing and fixing the filter medium in place, wherein the nonwoven fabric filter consists of a filter having an average pore diameter of 2-4 mum, and the filter medium consists of particulate active carbon containing silver-attached members, the nonwoven fabric filter and the filter medium being arranged in that order starting at the upstream side.
TW89127009A 1999-12-28 2000-12-16 Water purifier TWI256376B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37397399A JP2001187380A (en) 1999-12-28 1999-12-28 Water purifier

Publications (1)

Publication Number Publication Date
TWI256376B true TWI256376B (en) 2006-06-11

Family

ID=18503068

Family Applications (1)

Application Number Title Priority Date Filing Date
TW89127009A TWI256376B (en) 1999-12-28 2000-12-16 Water purifier

Country Status (3)

Country Link
JP (1) JP2001187380A (en)
TW (1) TWI256376B (en)
WO (1) WO2001047818A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI381832B (en) * 2008-09-19 2013-01-11 Solid-liquid conversion tank
CN108430930A (en) * 2016-01-15 2018-08-21 东丽株式会社 Water purifying filter cartridge

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100982699B1 (en) 2007-05-29 2010-09-17 웅진코웨이주식회사 water cleaning filter and filter cartridge
WO2010010573A1 (en) * 2008-07-24 2010-01-28 Tata Chemicals Ltd. A water purifier
CN105060540B (en) * 2015-07-01 2017-03-15 佛山市云米电器科技有限公司 A kind of active carbon filter core

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493462A (en) * 1972-04-25 1974-01-12
JPH0810417Y2 (en) * 1989-09-13 1996-03-29 株式会社メイスイ Water purifier
JPH1157729A (en) * 1997-08-11 1999-03-02 Yaskawa Electric Corp Water purifier
JPH1199385A (en) * 1997-09-29 1999-04-13 Bridgestone Corp Water purifying device
JPH11179347A (en) * 1997-12-18 1999-07-06 Bridgestone Corp Water purification device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI381832B (en) * 2008-09-19 2013-01-11 Solid-liquid conversion tank
CN108430930A (en) * 2016-01-15 2018-08-21 东丽株式会社 Water purifying filter cartridge
CN108430930B (en) * 2016-01-15 2021-10-12 东丽株式会社 Water purification cartridge

Also Published As

Publication number Publication date
WO2001047818A1 (en) 2001-07-05
JP2001187380A (en) 2001-07-10

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees