WO2001047818A1 - Water purifier - Google Patents

Water purifier Download PDF

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Publication number
WO2001047818A1
WO2001047818A1 PCT/JP2000/008683 JP0008683W WO0147818A1 WO 2001047818 A1 WO2001047818 A1 WO 2001047818A1 JP 0008683 W JP0008683 W JP 0008683W WO 0147818 A1 WO0147818 A1 WO 0147818A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
water
nonwoven fabric
silver
raw water
Prior art date
Application number
PCT/JP2000/008683
Other languages
French (fr)
Japanese (ja)
Inventor
Yoshiyuki Nagamatsu
Mitsuhiro Matsuzaki
Tokiwa Ohtani
Hiroshige Takabayashi
Original Assignee
Kabushiki Kaisha Yaskawa Denki
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 Kabushiki Kaisha Yaskawa Denki filed Critical Kabushiki Kaisha Yaskawa Denki
Publication of WO2001047818A1 publication Critical patent/WO2001047818A1/en

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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

Definitions

  • the present invention relates to a water purifier for removing particulate components, free chlorine, odorous substances, fine suspensions, and the like from tap water.
  • a fiber sheet having an average void of 20 to 50 m, and activated carbon and a hollow fiber membrane are arranged at the subsequent stage. This prevented removal of harmful components and contamination of general bacteria.
  • the present invention provides a water purifier capable of preventing contamination of chlorine-resistant parasites such as Cryptosporidium giardiae, removing harmful components such as chlorine'trihalomethane, and supplying stable and safe water for a long time. It is intended to do so.
  • the present invention provides a cylindrical tank having a raw water inlet and a purified water outlet, a raw water passage provided on the inner wall side of the tank and communicating with the raw water inlet, and an inner side of the raw water passage.
  • the nonwoven fabric filter is made of a filter having an average hole diameter of 2 to 4 ⁇
  • the filter material is made of granular activated carbon containing a silver-impregnated member impregnated with silver, and on the upstream side In this configuration, the nonwoven fabric filter and the filter medium are arranged in this order.
  • the silver-added member may be activated carbon or ceramic balls
  • the filter medium may be provided with an activated carbon layer on the upstream side and a silver-added member layer on the downstream side.
  • the above Silver may be impregnated on a part of the activated carbon on the stream side.
  • nonwoven fabric filter may be pleated, and a prefilter may be provided on the upstream side.
  • the piping from the water purifier to the faucet can be sterilized, which has the effect of enabling stable, long-term, safe supply of purified water.
  • FIG. 1 is a side sectional view of a water purifier showing a first embodiment of the present invention.
  • FIG. 2 is a side sectional view of a water purifier showing a second embodiment of the present invention.
  • FIG. 3 is a partial cross-sectional view taken along line AA ′ of FIG.
  • FIG. 4 is a side sectional view of a water purifier showing a third embodiment of the present invention.
  • FIG. 1 shows a first embodiment of the present invention.
  • FIG. 1 is a side sectional view showing a water purifier of the present invention.
  • reference numeral 1 denotes a cylindrical tank, and an upper tank 11 and a lower tank 12 are connected to each other by a screw via a packing 13.
  • 2 is a raw water inlet
  • 3 is a clean water outlet
  • 4 is a raw water passage
  • 5 is a water collection pipe.
  • the element loaded in the tank 1 is composed of a non-woven cloth filter 7 and a filter medium 8.
  • the filter medium 8 is composed of a layer of activated carbon 81 mixed with granular activated carbon impregnated with silver.
  • Reference numeral 9 denotes a cage in which the filter medium 8 is loaded, and reference numeral 14 denotes a holding member for sealing and holding the element in an appropriate position.
  • 10 is an O-ring.
  • the nonwoven fabric filter 7 is a pleated filter having an average hole diameter of 2 to 4 ⁇ m.
  • the raw water flows through the raw water inlet 2, the raw water passes through the raw water passage 4 and passes through the nonwoven fabric filter 7 inside.
  • the average hole diameter of the nonwoven fabric filter 1 is 2 to 4 // m, the protozoa such as giardia cryptosporidium with a size of about 5 ⁇ m which may be mixed in tap water are completely Is blocked.
  • Raw water that has passed through the nonwoven fabric filter 7 enters the layer of activated carbon 81, and flows out of the water purification outlet 3.
  • the activated carbon 81 removes chlorine and trihalomethane.
  • activated carbon 81 contains activated carbon 81 impregnated with silver, bacteria that propagate in the stagnant stagnant water are sterilized in the piping from the water purifier to the faucet. Since the microorganisms that have passed through the nonwoven fabric filter 17 are sterilized with silver of activated carbon 81, there is no danger of breeding in filter media as in the past and exposing users to the risk of microbial contamination by mixing with purified water. Therefore, safe purified water can be supplied.
  • Particles smaller than 2 to 4 ⁇ m pass through the nonwoven fabric filter 17 and are not easily clogged.Because they are composed of a multilayer nonwoven fabric, they can be broken down by pressure fluctuations like hollow fibers. There is no.
  • the non-woven fabric filter 7 is arranged outside the filter medium 8 and has a pleated shape, the water passage area is large, and the average hole diameter is 2 to 4 ⁇ m. The supply amount can be increased.
  • FIG. 2 shows a second embodiment of the present invention.
  • FIG. 2 is a side sectional view showing a water purifier of the present invention
  • FIG. 3 is a partial sectional view taken along line AA ′ of FIG.
  • reference numeral 6 denotes a prefilter
  • 81 denotes activated carbon
  • 82 denotes a silver-impregnated ceramic in which silver is added to a ceramic ball.
  • the other reference numerals are the same as in the first embodiment, and the description is omitted.
  • the filter material 8 is divided into two parts, an activated carbon 81 and a silver-impregnated ceramic 82 attached with silver.
  • the operation is the same as in the first embodiment. Accordingly, sterilization and removal of chlorine and trihalomethane can be performed in the same manner as in the first embodiment.
  • the prefilter 6 is used on the upstream side of the nonwoven fabric filter 7, the life of the nonwoven fabric filter 7 until clogging is reduced. It can be extended, and the use of silver-added ceramics 82 can extend the sterilization life.
  • the non-woven fabric filter 17 has a pleated shape. It may be a wind type in which a nonwoven fabric is wrapped around a number of times.
  • FIG. 4 shows a third embodiment of the present invention.
  • FIG. 4 is a side sectional view showing the water purifier of the present invention.
  • 15 is a cylindrical tank and 16 is a lid.
  • the raw water inlet 2 and the purified water outlet 3 are provided in the upper lid 16 and the tank 15 is connected to the cylindrical part and the bottom.
  • This is an example in which a part is integrally formed.
  • the arrangement and structure of the nonwoven fabric filter 7 and the filter medium 8 are the same as in the first embodiment.
  • the present invention can be used for a water purifier that removes particulate components, free chlorine, odorous substances, fine suspensions, and the like from tap water.

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

Description

明 細 書  Specification
浄水器  Water purifier
[技術分野]  [Technical field]
本発明は、 水道水から粒子成分、 遊離塩素や臭気物質、 微細懸濁物などを除去 する浄水器に関する。  TECHNICAL FIELD The present invention relates to a water purifier for removing particulate components, free chlorine, odorous substances, fine suspensions, and the like from tap water.
[背景技術]  [Background technology]
従来の浄水器として、 たとえば、 実公平 8-10417 に示されるようなものが提案 されている。 すなわち、 平均空隙 2 0〜5 0 mの繊維シートとその後段に活性 炭と中空糸膜を配置したものである。 これにより、 有害成分の除去や一般細菌の 混入が阻止されていた。  As a conventional water purifier, for example, the one shown in Jitsuhei 8-10417 has been proposed. That is, a fiber sheet having an average void of 20 to 50 m, and activated carbon and a hollow fiber membrane are arranged at the subsequent stage. This prevented removal of harmful components and contamination of general bacteria.
ところが、 このような従来の浄水器では、 微生物汚染に対し考慮されておらず 、 また、 水道水中の塩素では死滅しないクリプトポリジゥムゃジアルジァなどの 原虫に対しても無防備であった。 浄水中にこれら微生物が混入することを防止す るために、 中空糸膜を濾材のひとつにしているものもあるが、 この膜は目づまり しゃすく、 無理に圧力をかけて使うと中空糸が破れカートリッジ内に繁殖した細 菌が浄水中へ流出するという問題があった。  However, such conventional water purifiers were not considered for microbial contamination, and were also vulnerable to protozoa such as Cryptopolydimagdiadia, which cannot be killed by chlorine in tap water. In order to prevent these microorganisms from entering the clean water, some use a hollow fiber membrane as one of the filter media.However, this membrane is clogged and sharp, and when used under pressure, the hollow fiber is used. There was a problem that bacteria bred in the tear cartridge flowed into the clean water.
[発明の開示]  [Disclosure of the Invention]
そこで、 本発明はクリプトスポリジゥムゃジアルジァなどの耐塩素原虫の混入 を防止し、 かつ、 塩素 ' トリハロメタンなどの有害成分を除去でき、 長期間安定 した安全な浄水を供給できる浄水器を提供することを目的としたものである。 上記問題を解決するため、 本発明は原水入口及び浄水出口を有する円筒形のタ ンクと、 前記タンクの内壁側に設けた前記原水入口に連通する原水通水路と、 前 記原水通水路の内側に設けた不織布フィルタ一および濾材とからなる円筒形のェ レメン トと、 前記エレメン トの中心部に設けた前記浄水出口に連通する集水管と 、 前記濾材を密閉しかつ適正位置に固定する保持部材とからなる浄水器において 、 前記不織布フィルタ一は平均穴径が 2〜4 μ πιのフィルタからなり、 前記濾材 は銀を添着した銀添部材を含む粒状の活性炭とからなり、 かつ、 上流側より前記 不織布フィルター、 前記濾材の順に配設した構成にしている。  Therefore, the present invention provides a water purifier capable of preventing contamination of chlorine-resistant parasites such as Cryptosporidium giardiae, removing harmful components such as chlorine'trihalomethane, and supplying stable and safe water for a long time. It is intended to do so. In order to solve the above problems, the present invention provides a cylindrical tank having a raw water inlet and a purified water outlet, a raw water passage provided on the inner wall side of the tank and communicating with the raw water inlet, and an inner side of the raw water passage. A cylindrical element made of a nonwoven fabric filter and a filter medium provided in the above, a water collecting pipe provided in the center of the element and communicating with the water purification outlet, and a holder for sealing and fixing the filter medium in an appropriate position. In the water purifier consisting of a member, the nonwoven fabric filter is made of a filter having an average hole diameter of 2 to 4 μπι, and the filter material is made of granular activated carbon containing a silver-impregnated member impregnated with silver, and on the upstream side In this configuration, the nonwoven fabric filter and the filter medium are arranged in this order.
また、 前記銀添部材を活性炭またはセラミ ックスボールとしてもよいし、 前記 濾材は上流側に活性炭層を、 下流側に銀添部材層を設けてもよい。 また、 前記上 流側の活性炭の一部に銀を添着してもよい。 Further, the silver-added member may be activated carbon or ceramic balls, and the filter medium may be provided with an activated carbon layer on the upstream side and a silver-added member layer on the downstream side. Also, the above Silver may be impregnated on a part of the activated carbon on the stream side.
また、 前記不織布フィルターをプリーツ状とし上流側にプレフィルターを設け' てもよい。  Further, the nonwoven fabric filter may be pleated, and a prefilter may be provided on the upstream side.
以上述べたように本発明によれば、 平均穴径が 2〜4 μ mの不織布フィルタ一 を用いたので、 ジアルジァゃクリプトスポリジゥムなどの原虫が完全に阻止でき 、 銀添の活性炭または銀添セラミックスを用いたので、 浄水器から蛇口までの配 管部分の殺菌を行うことができ、 長期間安定した安全な浄水の供給を可能にする 効果がある。  As described above, according to the present invention, since a nonwoven fabric filter having an average hole diameter of 2 to 4 μm is used, protozoa such as dialdia cryptosporidium can be completely prevented, and silver-added activated carbon or Since silver-added ceramics are used, the piping from the water purifier to the faucet can be sterilized, which has the effect of enabling stable, long-term, safe supply of purified water.
[図面の簡単な説明]  [Brief description of drawings]
図 1は本発明の第 1実施例を示す浄水器の側断面図である。 図 2は本発明の第 2実施例を示す浄水器の側断面図である。 図 3は図 2の A— A ' 線における部分 断面図である。 図 4は本発明の第 3実施例を示す浄水器の側断面図である。  FIG. 1 is a side sectional view of a water purifier showing a first embodiment of the present invention. FIG. 2 is a side sectional view of a water purifier showing a second embodiment of the present invention. FIG. 3 is a partial cross-sectional view taken along line AA ′ of FIG. FIG. 4 is a side sectional view of a water purifier showing a third embodiment of the present invention.
[発明を実施するための最良の形態]  [Best Mode for Carrying Out the Invention]
本発明の実施の形態を図に基づいて詳細に説明する。  An embodiment of the present invention will be described in detail with reference to the drawings.
(第 1実施例）  (First embodiment)
本発明の第 1実施例を図 1に示す。 図 1は本発明の浄水器を示す側断面図であ る。 図において、 1は円筒状のタンクであり、 上部タンク 1 1と下部タンク 1 2 とをパッキン 1 3を介してねじで結合している。 2は原水入口、 3は浄水出口、 4は原水通水路、 5は集水管である。 タンク 1内に装填されるエレメントは、 不 織布フィルター 7および濾材 8で構成される。 濾材 8は、 銀を添着した粒状の活 性炭を混合した活性炭 8 1の層からなる。 9は濾材 8を装填するケージ、 1 4は エレメントを密閉しかつ適正位置に固定 ·保持する保持部材である。 1 0は Oリ ングである。 不織布フィルター 7は、 平均穴径が 2〜4 μ mのプリーツ状のフィ ルタからなる。  FIG. 1 shows a first embodiment of the present invention. FIG. 1 is a side sectional view showing a water purifier of the present invention. In the figure, reference numeral 1 denotes a cylindrical tank, and an upper tank 11 and a lower tank 12 are connected to each other by a screw via a packing 13. 2 is a raw water inlet, 3 is a clean water outlet, 4 is a raw water passage, and 5 is a water collection pipe. The element loaded in the tank 1 is composed of a non-woven cloth filter 7 and a filter medium 8. The filter medium 8 is composed of a layer of activated carbon 81 mixed with granular activated carbon impregnated with silver. Reference numeral 9 denotes a cage in which the filter medium 8 is loaded, and reference numeral 14 denotes a holding member for sealing and holding the element in an appropriate position. 10 is an O-ring. The nonwoven fabric filter 7 is a pleated filter having an average hole diameter of 2 to 4 μm.
いま、 原水を原水入口 2から通水すると、 原水は原水通水路 4をとおり、 内側 にある不織布フィルター 7を通過する。 ここで、 不織布フィルタ一 7の平均穴径 が 2〜 4 // mであるので、 水道水中に混在する恐れがある 5 μ m前後の大きさの ジアルジァゃクリプトスポリジゥムなどの原虫が完全に阻止される。  Now, when raw water flows through the raw water inlet 2, the raw water passes through the raw water passage 4 and passes through the nonwoven fabric filter 7 inside. Here, since the average hole diameter of the nonwoven fabric filter 1 is 2 to 4 // m, the protozoa such as giardia cryptosporidium with a size of about 5 μm which may be mixed in tap water are completely Is blocked.
不織布フィルター 7を通過した原水は、 活性炭 8 1の層に入り、 浄水出口 3か ら出水する。 この活性炭 8 1により塩素 . トリハロメタンが除去される。 さらに 、 活性炭 8 1には銀を添着した活性炭 8 1を含んでいるので、 浄水器から蛇口ま での配管部分で、 滞留した滞留水中で繁殖する細菌を殺菌する。 不織布フィルタ 一 7を通過した微生物は活性炭 8 1の銀で滅菌されるため、 従来のように濾材中 で繁殖したり、 浄水に混じって利用者を微生物汚染の危険にさらす恐れがない。 したがって、 安全な浄水を供給できる。 Raw water that has passed through the nonwoven fabric filter 7 enters the layer of activated carbon 81, and flows out of the water purification outlet 3. The activated carbon 81 removes chlorine and trihalomethane. further However, since activated carbon 81 contains activated carbon 81 impregnated with silver, bacteria that propagate in the stagnant stagnant water are sterilized in the piping from the water purifier to the faucet. Since the microorganisms that have passed through the nonwoven fabric filter 17 are sterilized with silver of activated carbon 81, there is no danger of breeding in filter media as in the past and exposing users to the risk of microbial contamination by mixing with purified water. Therefore, safe purified water can be supplied.
なお、 2〜4 μ mよりも小さな粒子は不織布フィルタ一 7を通過するので、 目 づまりが起こりにく く、 また多層の不織布により構成されているため、 中空糸の ように圧力変動で破壊することがない。 また、 不織布フィルター 7を濾材 8より 外側に配置し、 プリーツ状としているので、 通水面積が広く とれ、 かつ、 平均穴 径が 2〜4 μ mとしたので、 目づまりが起こりにく く浄水の供給量を大きくとる ことができる。  Particles smaller than 2 to 4 μm pass through the nonwoven fabric filter 17 and are not easily clogged.Because they are composed of a multilayer nonwoven fabric, they can be broken down by pressure fluctuations like hollow fibers. There is no. In addition, since the non-woven fabric filter 7 is arranged outside the filter medium 8 and has a pleated shape, the water passage area is large, and the average hole diameter is 2 to 4 μm. The supply amount can be increased.
(第 2実施例）  (Second embodiment)
本発明の第 2実施例を図 2に示す。 図 2は本発明の浄水器を示す側断面図、 図 3は図 2の A— A ' 線における部分断面図である。 図において、 6はプレフィル タ、 8 1は活性炭、 8 2はセラミ ックスのボールに銀を添着した銀添セラミック スである。 他の符号は第 1実施例と同じであるため説明を省略する。  FIG. 2 shows a second embodiment of the present invention. FIG. 2 is a side sectional view showing a water purifier of the present invention, and FIG. 3 is a partial sectional view taken along line AA ′ of FIG. In the figure, reference numeral 6 denotes a prefilter, 81 denotes activated carbon, and 82 denotes a silver-impregnated ceramic in which silver is added to a ceramic ball. The other reference numerals are the same as in the first embodiment, and the description is omitted.
本実施例は、 濾材 8の部分を活性炭 8 1の部分と銀を添着した銀添セラミック ス 8 2の部分の二つに分離したものである。  In the present embodiment, the filter material 8 is divided into two parts, an activated carbon 81 and a silver-impregnated ceramic 82 attached with silver.
動作については、 第 1実施例と同じである。 したがって、 第 1実施例と同様の 殺菌、 および塩素 · トリハロメタン除去を行うことができる上、 さらに、 プレフ ィルタ 6を不織布フィルター 7の上流側に用いたので不織布フィルター 7の目詰 まりまでの寿命を延ばすことができるし、 銀添セラミ ックス 8 2を用いたので、 殺菌寿命を延ばすことができる。  The operation is the same as in the first embodiment. Accordingly, sterilization and removal of chlorine and trihalomethane can be performed in the same manner as in the first embodiment.In addition, since the prefilter 6 is used on the upstream side of the nonwoven fabric filter 7, the life of the nonwoven fabric filter 7 until clogging is reduced. It can be extended, and the use of silver-added ceramics 82 can extend the sterilization life.
なお、 本実施例では、 銀添セラミ ックスを用いたが、 これに代えて銀添活性炭 を用いてもよいし、 不織布フィルタ一 7の形状をプリーツ状としたが、 これに限 らずケージ 9に不織布を何周も巻き付けたワインドタイプにしても良い。  In the present embodiment, silver-added ceramics was used. Alternatively, silver-added activated carbon may be used. Alternatively, the non-woven fabric filter 17 has a pleated shape. It may be a wind type in which a nonwoven fabric is wrapped around a number of times.
(第 3実施例）  (Third embodiment)
本発明の第 3実施例を図 4に示す。 図 4は本発明の浄水器を示す側断面図であ る。 図において、 1 5は円筒状のタンク、 1 6は蓋部である。 本実施例は、 原水 入口 2および浄水出口 3を上部の蓋部 1 6にもうけ、 タンク 1 5を円筒部と底面 部を一体成形した例である。 不織布フィルター 7ゃ濾材 8の配置、 構造は第 1実 施例と同じである。 FIG. 4 shows a third embodiment of the present invention. FIG. 4 is a side sectional view showing the water purifier of the present invention. In the figure, 15 is a cylindrical tank and 16 is a lid. In this embodiment, the raw water inlet 2 and the purified water outlet 3 are provided in the upper lid 16 and the tank 15 is connected to the cylindrical part and the bottom. This is an example in which a part is integrally formed. The arrangement and structure of the nonwoven fabric filter 7 and the filter medium 8 are the same as in the first embodiment.
いま、 原水を原水入口 2から通水すると、 原水は原水通水路 4をとおり、 内側 にある不織布フィルター 7を通過する。 その後、 原水は、 活性炭 8 1の層に入り 浄水出口 3から出水する。 第 1実施例と同様に微生物や塩素 · トリハロメタン等 を除去できる。  Now, when raw water flows through the raw water inlet 2, the raw water passes through the raw water passage 4 and passes through the nonwoven fabric filter 7 inside. After that, the raw water enters the layer of activated carbon 81 and flows out from the purified water outlet 3. Microorganisms and chlorine / trihalomethane can be removed as in the first embodiment.
このような構造にすることにより、 配置の選択肢が増え種々の場所においても 使用できるようになる。  By adopting such a structure, the number of arrangement options increases, and it can be used in various places.
[産業上の利用可能性]  [Industrial applicability]
本発明は、 水道水から粒子成分、 遊離塩素や臭気物質、 微細懸濁物などを除去 する浄水器に利用できる。  INDUSTRIAL APPLICABILITY The present invention can be used for a water purifier that removes particulate components, free chlorine, odorous substances, fine suspensions, and the like from tap water.

Claims

請求の範囲 The scope of the claims
1 . 原水入口及び浄水出口を有する円筒形のタンクと、 前記タンクの内壁側に設 けた前記原水入口に連通する原水通水路と、 前記原水通水路の内側に設けた不織 布フィルターおよぴ濾材とからなる円筒形のエレメントと、 前記エレメントの中 心部に設けた前記浄水出口に連通する集水管と、 前記濾材を密閉しかつ適正位置 に固定する保持部材とからなる浄水器において、  1. A cylindrical tank having a raw water inlet and a purified water outlet, a raw water passage connected to the raw water inlet provided on the inner wall side of the tank, a non-woven fabric filter provided inside the raw water passage, In a water purifier comprising: a cylindrical element made of a filter medium; a water collecting pipe communicating with the water purification outlet provided at a center of the element; and a holding member for sealing the filter medium and fixing the filter medium at an appropriate position.
前記不織布フィルタ一は平均穴径が 2〜4 μ mのフィルタからなり、 前記濾材 は銀を添着した銀添部材を含む粒状の活性炭とからなり、 かつ、 上流側より前記 不織布フィルター、 前記濾材の順に配設されたことを特徴とする浄水器。  The nonwoven fabric filter is a filter having an average hole diameter of 2 to 4 μm, the filter material is a granular activated carbon containing a silver-impregnated member to which silver is impregnated, and the nonwoven fabric filter and the filter material A water purifier characterized by being arranged in order.
2 . 前記銀添部材が活性炭またはセラミックスボールである請求項 1記載の浄水  2. The water purification according to claim 1, wherein the silver-added member is activated carbon or ceramic balls.
3 . 前記濾材は上流側に活性炭層を、 下流側に銀添部材層を設けた請求項 1また は 2記載の浄水器。 3. The water purifier according to claim 1, wherein the filter medium is provided with an activated carbon layer on an upstream side and a silver-added member layer on a downstream side.
4 . 前記上流側の活性炭の一部に銀を添着した請求項 3記載の浄水器。  4. The water purifier according to claim 3, wherein a portion of the activated carbon on the upstream side is impregnated with silver.
5 - 前記不織布フィルターをプリーツ状とし上流側にプレフィルターを設けた請 求項 1から 4のいずれか 1項に記載の浄水器。  5-The water purifier according to any one of claims 1 to 4, wherein the nonwoven fabric filter is pleated and a prefilter is provided on an upstream side.
PCT/JP2000/008683 1999-12-28 2000-12-07 Water purifier WO2001047818A1 (en)

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JP11/373973 1999-12-28

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WO2010010573A1 (en) * 2008-07-24 2010-01-28 Tata Chemicals Ltd. A water purifier
CN105060540A (en) * 2015-07-01 2015-11-18 佛山市云米电器科技有限公司 Active carbon filter core

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KR100982699B1 (en) 2007-05-29 2010-09-17 웅진코웨이주식회사 water cleaning filter and filter cartridge
TWI381832B (en) * 2008-09-19 2013-01-11 Solid-liquid conversion tank
CN108430930B (en) * 2016-01-15 2021-10-12 东丽株式会社 Water purification cartridge

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JPH11179347A (en) * 1997-12-18 1999-07-06 Bridgestone Corp Water purification device

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WO2010010573A1 (en) * 2008-07-24 2010-01-28 Tata Chemicals Ltd. A water purifier
CN105060540A (en) * 2015-07-01 2015-11-18 佛山市云米电器科技有限公司 Active carbon filter core

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